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| -rw-r--r-- | framework/source/services/autorecovery.cxx | 4254 |
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diff --git a/framework/source/services/autorecovery.cxx b/framework/source/services/autorecovery.cxx new file mode 100644 index 000000000..fabc5fb5d --- /dev/null +++ b/framework/source/services/autorecovery.cxx @@ -0,0 +1,4254 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <config_features.h> + +#include <loadenv/loadenv.hxx> + +#include <strings.hrc> +#include <classes/fwkresid.hxx> +#include <properties.h> +#include <targets.h> + +#include <helper/mischelper.hxx> + +#include <com/sun/star/ucb/NameClash.hpp> +#include <com/sun/star/container/XNameAccess.hpp> +#include <com/sun/star/configuration/theDefaultProvider.hpp> +#include <com/sun/star/frame/Desktop.hpp> +#include <com/sun/star/frame/theGlobalEventBroadcaster.hpp> +#include <com/sun/star/frame/XLoadable.hpp> +#include <com/sun/star/frame/XModel2.hpp> +#include <com/sun/star/frame/ModuleManager.hpp> +#include <com/sun/star/frame/XTitle.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/frame/XStorable.hpp> +#include <com/sun/star/util/XModifiable.hpp> +#include <com/sun/star/util/URLTransformer.hpp> +#include <com/sun/star/util/XURLTransformer.hpp> +#include <com/sun/star/frame/XDesktop.hpp> +#include <com/sun/star/container/XNameContainer.hpp> +#include <com/sun/star/util/XChangesNotifier.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/document/XDocumentPropertiesSupplier.hpp> +#include <com/sun/star/document/XDocumentRecovery.hpp> +#include <com/sun/star/document/XExtendedFilterDetection.hpp> +#include <com/sun/star/util/XCloseable.hpp> +#include <com/sun/star/awt/XWindow2.hpp> +#include <com/sun/star/task/XStatusIndicatorFactory.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <com/sun/star/lang/XTypeProvider.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/lang/XSingleServiceFactory.hpp> +#include <com/sun/star/frame/XDispatch.hpp> +#include <com/sun/star/document/XDocumentEventListener.hpp> +#include <com/sun/star/document/XDocumentEventBroadcaster.hpp> +#include <com/sun/star/util/XChangesListener.hpp> +#include <com/sun/star/task/XStatusIndicator.hpp> +#include <com/sun/star/util/XModifyListener.hpp> + +#include <comphelper/configuration.hxx> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/exc_hlp.hxx> +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/propshlp.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <o3tl/safeint.hxx> +#include <o3tl/typed_flags_set.hxx> +#include <unotools/mediadescriptor.hxx> +#include <comphelper/namedvaluecollection.hxx> +#include <comphelper/sequence.hxx> +#include <vcl/evntpost.hxx> +#include <vcl/svapp.hxx> +#include <vcl/timer.hxx> +#include <unotools/pathoptions.hxx> +#include <tools/diagnose_ex.h> +#include <unotools/tempfile.hxx> +#include <ucbhelper/content.hxx> + +#include <vcl/weld.hxx> +#include <osl/file.hxx> +#include <sal/log.hxx> +#include <unotools/bootstrap.hxx> +#include <unotools/configmgr.hxx> +#include <svl/documentlockfile.hxx> +#include <tools/urlobj.hxx> +#include <officecfg/Office/Recovery.hxx> +#include <officecfg/Setup.hxx> + +#include <stdtypes.h> + +using namespace css::uno; +using namespace css::document; +using namespace css::frame; +using namespace css::lang; +using namespace framework; + +namespace { + +/** @short hold all needed information for an asynchronous dispatch alive. + + @descr Because some operations are forced to be executed asynchronously + (e.g. requested by our CreashSave/Recovery dialog) ... we must make sure + that this information won't be set as "normal" members of our AutoRecovery + instance. Otherwise they can disturb our normal AutoSave-timer handling. + e.g. it can be unclear then, which progress has to be used for storing documents... + */ +struct DispatchParams +{ +public: + DispatchParams(); + DispatchParams(const ::comphelper::SequenceAsHashMap& lArgs , + const css::uno::Reference< css::uno::XInterface >& xOwner); + + void forget(); + +public: + + /** @short can be set from outside and is provided to + our internal started operations. + + @descr Normally we use the normal status indicator + of the document windows to show a progress. + But in case we are used by any special UI, + it can provide its own status indicator object + to us - so we use it instead of the normal one. + */ + css::uno::Reference< css::task::XStatusIndicator > m_xProgress; + + /** TODO document me */ + OUString m_sSavePath; + + /** @short define the current cache entry, which should be used for current + backup or cleanUp operation ... which is may be done asynchronous */ + sal_Int32 m_nWorkingEntryID; + + /** @short used for async operations, to prevent us from dying. + + @descr If our dispatch() method was forced to start the + internal operation asynchronous... we send an event + to start and return immediately. But we must be sure that + our instance live if the event callback reach us. + So we hold a uno reference to ourself. + */ + css::uno::Reference< css::uno::XInterface > m_xHoldRefForAsyncOpAlive; +}; + +/** These values are used as flags and represent the current state of a document. + Every state of the life time of a document has to be recognized here. + + @attention Do not change (means reorganize) already used numbers. + There exists some code inside SVX, which uses the same numbers, + to analyze such document states. + Not the best design ... but may be it will be changed later .-) +*/ +enum class DocState: sal_Int32 +{ + /* TEMP STATES */ + + /// default state, if a document was new created or loaded + Unknown = 0, + /// modified against the original file + Modified = 1, + /// an active document can be postponed to be saved later. + Postponed = 2, + /// was already handled during one AutoSave/Recovery session. + Handled = 4, + /** an action was started (saving/loading) ... Can be interesting later if the process may be was interrupted by an exception. */ + TrySave = 8, + TryLoadBackup = 16, + TryLoadOriginal = 32, + + /* FINAL STATES */ + + /// the Auto/Emergency saved document is not usable any longer + Damaged = 64, + /// the Auto/Emergency saved document is not really up-to-date (some changes can be missing) + Incomplete = 128, + /// the Auto/Emergency saved document was processed successfully + Succeeded = 512 +}; + +} + +template<> struct o3tl::typed_flags<DocState>: o3tl::is_typed_flags<DocState, 0x2FF> {}; + +namespace { + +// TODO document me ... flag field +// Emergency_Save and Recovery overwrites Auto_Save! +enum class Job +{ + NoJob = 0, + AutoSave = 1, + EmergencySave = 2, + Recovery = 4, + EntryBackup = 8, + EntryCleanup = 16, + PrepareEmergencySave = 32, + SessionSave = 64, + SessionRestore = 128, + DisableAutorecovery = 256, + SetAutosaveState = 512, + SessionQuietQuit = 1024, + UserAutoSave = 2048 +}; + +} + +template<> struct o3tl::typed_flags<Job>: o3tl::is_typed_flags<Job, 0xFFF> {}; + +namespace { + +/** + implements the functionality of AutoSave and AutoRecovery + of documents - including features of an EmergencySave in + case a GPF occurs. + */ +typedef ::cppu::WeakComponentImplHelper< + css::lang::XServiceInfo, + css::frame::XDispatch, + css::document::XDocumentEventListener, // => css.lang.XEventListener + css::util::XChangesListener, // => css.lang.XEventListener + css::util::XModifyListener > // => css.lang.XEventListener + AutoRecovery_BASE; + +class AutoRecovery : private cppu::BaseMutex + , public AutoRecovery_BASE + , public ::cppu::OPropertySetHelper // => XPropertySet, XFastPropertySet, XMultiPropertySet +{ +public: + /** @short indicates the results of a FAILURE_SAFE operation + + @descr We must know, which reason was the real one in case + we couldn't copy a "failure document" to a user specified path. + We must know, if we can forget our cache entry or not. + */ + enum EFailureSafeResult + { + E_COPIED, + E_ORIGINAL_FILE_MISSING, + E_WRONG_TARGET_PATH + }; + + // TODO document me + enum ETimerType + { + /** the timer should not be used next time */ + E_DONT_START_TIMER, + /** timer (was/must be) started with normal AutoSaveTimeIntervall */ + E_NORMAL_AUTOSAVE_INTERVALL, + /** timer must be started with special short time interval, + to poll for an user idle period */ + E_POLL_FOR_USER_IDLE, + /** timer must be started with a very(!) short time interval, + to poll for the end of an user action, which does not allow saving documents in general */ + E_POLL_TILL_AUTOSAVE_IS_ALLOWED, + /** don't start the timer - but calls the same action then before immediately again! */ + E_CALL_ME_BACK + }; + + /** @short combine different information about one office document. */ + struct TDocumentInfo + { + public: + + TDocumentInfo() + : DocumentState (DocState::Unknown) + , UsedForSaving (false) + , ListenForModify (false) + , IgnoreClosing (false) + , ID (-1 ) + {} + + /** @short points to the document. */ + css::uno::Reference< css::frame::XModel > Document; + + /** @short knows, if the document is really modified since the last autosave, + or was postponed, because it was an active one etcpp... + + @descr Because we have no CHANGE TRACKING mechanism, based on office document, + we implements it by ourself. We listen for MODIFIED events + of each document and update this state flag here. + + Further we postpone saving of active documents, e.g. if the user + works currently on it. We wait for an idle period then... + */ + DocState DocumentState; + + /** Because our applications not ready for concurrent save requests at the same time, + we have suppress our own AutoSave for the moment, a document will be already saved + by others. + */ + bool UsedForSaving; + + /** For every user action, which modifies a document (e.g. key input) we get + a notification as XModifyListener. That seems to be a "performance issue" .-) + So we decided to listen for such modify events only for the time in which the document + was stored as temp. file and was not modified again by the user. + */ + bool ListenForModify; + + /** For SessionSave we must close all open documents by ourself. + But because we are listen for documents events, we get some ... + and deregister these documents from our configuration. + That's why we mark these documents as "Closed by ourself" so we can + ignore these "OnUnload" or disposing() events .-) + */ + bool IgnoreClosing; + + /** TODO: document me */ + OUString OrgURL; + OUString FactoryURL; + OUString TemplateURL; + + OUString OldTempURL; + OUString NewTempURL; + + OUString AppModule; // e.g. com.sun.star.text.TextDocument - used to identify app module + OUString FactoryService; // the service to create a document of the module + OUString RealFilter; // real filter, which was used at loading time + OUString DefaultFilter; // supports saving of the default format without losing data + OUString Extension; // file extension of the default filter + OUString Title; // can be used as "DisplayName" on every recovery UI! + css::uno::Sequence< OUString > + ViewNames; // names of the view which were active at emergency-save time + + sal_Int32 ID; + }; + + /** @short used to know every currently open document. */ + typedef ::std::vector< TDocumentInfo > TDocumentList; + +// member + +private: + + /** @short the global uno service manager. + @descr Must be used to create own needed services. + */ + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + /** @short points to the underlying recovery configuration. + @descr This instance does not cache - it calls directly the + configuration API! + */ + css::uno::Reference< css::container::XNameAccess > m_xRecoveryCFG; + + /** @short proxy weak binding to forward Events to ourself without + an ownership cycle + */ + css::uno::Reference< css::util::XChangesListener > m_xRecoveryCFGListener; + + /** @short points to the used configuration package or.openoffice.Setup + @descr This instance does not cache - it calls directly the + configuration API! + */ + css::uno::Reference< css::container::XNameAccess > m_xModuleCFG; + + /** @short holds the global event broadcaster alive, + where we listen for new created documents. + */ + css::uno::Reference< css::frame::XGlobalEventBroadcaster > m_xNewDocBroadcaster; + + /** @short proxy weak binding to forward Events to ourself without + an ownership cycle + */ + css::uno::Reference< css::document::XDocumentEventListener > m_xNewDocBroadcasterListener; + + /** @short because we stop/restart listening sometimes, it's a good idea to know + if we already registered as listener .-) + */ + bool m_bListenForDocEvents; + bool m_bListenForConfigChanges; + + /** @short specify the time interval between two save actions. + @descr tools::Time is measured in [min]. + */ + sal_Int32 m_nAutoSaveTimeIntervall; + + /** @short for an asynchronous operation we must know, if there is + at least one running job (may be asynchronous!). + */ + Job m_eJob; + + /** @short the timer, which is used to be informed about the next + saving time ... + @remark must lock SolarMutex to use + */ + Timer m_aTimer; + + /** @short make our dispatch asynchronous ... if required to do so! */ + std::unique_ptr<vcl::EventPoster> m_xAsyncDispatcher; + + /** @see DispatchParams + */ + DispatchParams m_aDispatchParams; + + /** @short indicates, which time period is currently used by the + internal timer. + */ + ETimerType m_eTimerType; + + /** @short this cache is used to hold all information about + recovery/emergency save documents alive. + */ + TDocumentList m_lDocCache; + + // TODO document me + sal_Int32 m_nIdPool; + + /** @short contains all status listener registered at this instance. + */ + ListenerHash m_lListener; + + /** @descr This member is used to prevent us against re-entrance problems. + A mutex can't help to prevent us from concurrent using of members + inside the same thread. But e.g. our internally used stl structures + are not threadsafe ... and furthermore they can't be used at the same time + for iteration and add/remove requests! + So we have to detect such states and ... show a warning. + May be there will be a better solution next time ... (copying the cache temp. + bevor using). + + And further it's not possible to use a simple boolean value here. + Because if more than one operation iterates over the same stl container ... + (only to modify it's elements but don't add new or removing existing ones!) + it should be possible doing so. But we must guarantee that the last operation reset + this lock ... not the first one ! So we use a "ref count" mechanism for that." + */ + sal_Int32 m_nDocCacheLock; + + /** @descr These members are used to check the minimum disc space, which must exists + to start the corresponding operation. + */ + sal_Int32 m_nMinSpaceDocSave; + sal_Int32 m_nMinSpaceConfigSave; + +// interface + +public: + + explicit AutoRecovery(const css::uno::Reference< css::uno::XComponentContext >& xContext); + virtual ~AutoRecovery( ) override; + + virtual OUString SAL_CALL getImplementationName() override + { + return "com.sun.star.comp.framework.AutoRecovery"; + } + + virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override + { + return cppu::supportsService(this, ServiceName); + } + + virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override + { + return {"com.sun.star.frame.AutoRecovery"}; + } + + // XInterface + virtual void SAL_CALL acquire() throw () override + { OWeakObject::acquire(); } + virtual void SAL_CALL release() throw () override + { OWeakObject::release(); } + virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& type) override; + + /// Initialization function after having acquire()'d. + void initListeners(); + + // XTypeProvider + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) override; + + // css.frame.XDispatch + virtual void SAL_CALL dispatch(const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& lArguments) override; + + virtual void SAL_CALL addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) override; + + virtual void SAL_CALL removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) override; + + // css.document.XDocumentEventListener + /** @short informs about created/opened documents. + + @descr Every new opened/created document will be saved internally + so it can be checked if it's modified. This modified state + is used later to decide, if it must be saved or not. + + @param aEvent + points to the new created/opened document. + */ + virtual void SAL_CALL documentEventOccured(const css::document::DocumentEvent& aEvent) override; + + // css.util.XChangesListener + virtual void SAL_CALL changesOccurred(const css::util::ChangesEvent& aEvent) override; + + // css.util.XModifyListener + virtual void SAL_CALL modified(const css::lang::EventObject& aEvent) override; + + // css.lang.XEventListener + virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override; + +protected: + + // OPropertySetHelper + + virtual sal_Bool SAL_CALL convertFastPropertyValue( css::uno::Any& aConvertedValue, + css::uno::Any& aOldValue , + sal_Int32 nHandle , + const css::uno::Any& aValue ) override; + + virtual void SAL_CALL setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, + const css::uno::Any& aValue ) override; + using cppu::OPropertySetHelper::getFastPropertyValue; + virtual void SAL_CALL getFastPropertyValue(css::uno::Any& aValue , + sal_Int32 nHandle) const override; + + virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper() override; + + virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override; + +private: + virtual void SAL_CALL disposing() final override; + + /** @short open the underlying configuration. + + @descr This method must be called every time + a configuration call is needed. Because + method works together with the member + m_xCFG, open it on demand and cache it + afterwards. + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened successfully! + + @threadsafe + */ + void implts_openConfig(); + + /** @short read the underlying configuration. + + @descr After that we know the initial state - means: + - if AutoSave was enabled by the user + - which time interval has to be used + - which recovery entries may already exists + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened or read successfully! + + @threadsafe + */ + void implts_readConfig(); + + /** @short read the underlying configuration... + + @descr ... but only keys related to the AutoSave mechanism. + Means: State and Timer interval. + E.g. the recovery list is not addressed here. + + @throw [com.sun.star.uno.RuntimeException] + if config could not be opened or read successfully! + + @threadsafe + */ + void implts_readAutoSaveConfig(); + + // TODO document me + void implts_flushConfigItem(const AutoRecovery::TDocumentInfo& rInfo , + bool bRemoveIt = false); + + // TODO document me + void implts_startListening(); + void implts_startModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo); + + // TODO document me + void implts_stopListening(); + void implts_stopModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo); + + /** @short stops and may be(!) restarts the timer. + + @descr A running timer is stopped every time here. + But starting depends from the different internal + timer variables (e.g. AutoSaveEnabled, AutoSaveTimeIntervall, + TimerType etcpp.) + + @throw [com.sun.star.uno.RuntimeException] + if timer could not be stopped or started! + + @threadsafe + */ + void implts_updateTimer(); + + /** @short stop the timer. + + @descr Double calls will be ignored - means we do + nothing here, if the timer is already disabled. + + @throw [com.sun.star.uno.RuntimeException] + if timer could not be stopped! + + @threadsafe + */ + void implts_stopTimer(); + + /** @short callback of our internal timer. + */ + DECL_LINK(implts_timerExpired, Timer*, void); + + /** @short makes our dispatch() method asynchronous! + */ + DECL_LINK(implts_asyncDispatch, LinkParamNone*, void); + + /** @short implements the dispatch real. */ + void implts_dispatch(const DispatchParams& aParams); + + /** @short validate new detected document and add it into the internal + document list. + + @descr This method should be called only if it's clear that a new + document was opened/created during office runtime. + This method checks if it's a top level document (means not an embedded one). + Only such top level documents can be recognized by this auto save mechanism. + + @param xDocument + the new document, which should be checked and registered. + + @threadsafe + */ + void implts_registerDocument(const css::uno::Reference< css::frame::XModel >& xDocument); + + /** @short remove the specified document from our internal document list. + + @param xDocument + the new document, which should be deregistered. + + @param bStopListening + sal_False: must be used in case this method is called within disposing() of the document, + where it makes no sense to deregister our listener. The container dies... + sal_True : must be used in case this method is used on "deregistration" of this document, where + we must deregister our listener .-) + + @threadsafe + */ + void implts_deregisterDocument(const css::uno::Reference< css::frame::XModel >& xDocument , + bool bStopListening = true); + + // TODO document me + void implts_markDocumentModifiedAgainstLastBackup(const css::uno::Reference< css::frame::XModel >& xDocument); + + // TODO document me + void implts_updateModifiedState(const css::uno::Reference< css::frame::XModel >& xDocument); + + // TODO document me + void implts_updateDocumentUsedForSavingState(const css::uno::Reference< css::frame::XModel >& xDocument , + bool bSaveInProgress); + + // TODO document me + void implts_markDocumentAsSaved(const css::uno::Reference< css::frame::XModel >& xDocument); + + /** @short search a document inside given list. + + @param rList + reference to a vector, which can contain such + document. + + @param xDocument + the document, which should be located inside the + given list. + + @return [TDocumentList::iterator] + which points to the located document. + If document does not exists - its set to + rList.end()! + */ + static TDocumentList::iterator impl_searchDocument( AutoRecovery::TDocumentList& rList , + const css::uno::Reference< css::frame::XModel >& xDocument); + + /** TODO document me */ + void implts_changeAllDocVisibility(bool bVisible); + void implts_prepareSessionShutdown(); + + /** @short save all current opened documents to a specific + backup directory. + + @descr Only really changed documents will be saved here. + + Further this method returns a suggestion, if and how it should + be called again. May be some documents was not saved yet + and must wait for an user idle period ... + + @param bAllowUserIdleLoop + Because this method is used for different uses cases, it must + know, which actions are allowed or not. + Job::AutoSave => + If a document is the most active one, saving it + will be postponed if there exists other unsaved + documents. This feature was implemented, because + we don't wish to disturb the user on it's work. + ... bAllowUserIdleLoop should be set to sal_True + Job::EmergencySave / Job::SessionSave => + Here we must finish our work ASAP! It's not allowed + to postpone any document. + ... bAllowUserIdleLoop must(!) be set to sal_False + + @param pParams + sometimes this method is required inside an external dispatch request. + The it contains some special environment variables, which overwrites + our normal environment. + AutoSave => pParams == 0 + SessionSave/CrashSave => pParams != 0 + + @return A suggestion, how the timer (if it's not already disabled!) + should be restarted to fulfill the requirements. + + @threadsafe + */ + AutoRecovery::ETimerType implts_saveDocs( bool bAllowUserIdleLoop, + bool bRemoveLockFiles, + const DispatchParams* pParams = nullptr); + + /** @short save one of the current documents to a specific + backup directory. + + @descr It: + - defines a new(!) unique temp file name + - save the new temp file + - remove the old temp file + - patch the given info struct + - and return errors. + + It does not: + - patch the configuration. + + Note further: it patches the info struct + more than ones. E.g. the new temp URL is set + before the file is saved. And the old URL is removed + only if removing of the old file was successful. + If this method returns without an exception - everything + was OK. Otherwise the info struct can be analyzed to + get more information, e.g. when the problem occurs. + + @param sBackupPath + the base path for saving such temp files. + + @param rInfo + points to an information structure, where + e.g. the document, its modified state, the count + of autosave-retries etcpp. exists. + It's used also to return the new temp file name + and some other state values! + + @threadsafe + */ + void implts_saveOneDoc(const OUString& sBackupPath , + AutoRecovery::TDocumentInfo& rInfo , + const css::uno::Reference< css::task::XStatusIndicator >& xExternalProgress); + + /** @short recovery all documents, which was saved during + a crash before. + + @return A suggestion, how this method must be called back! + + @threadsafe + */ + AutoRecovery::ETimerType implts_openDocs(const DispatchParams& aParams); + + // TODO document me + void implts_openOneDoc(const OUString& sURL , + utl::MediaDescriptor& lDescriptor, + AutoRecovery::TDocumentInfo& rInfo ); + + // TODO document me + void implts_generateNewTempURL(const OUString& sBackupPath , + utl::MediaDescriptor& rMediaDescriptor, + AutoRecovery::TDocumentInfo& rInfo ); + + /** @short notifies all interested listener about the current state + of the currently running operation. + + @descr We support different set's of functions. Job::AutoSave, Job::EmergencySave, + Job::Recovery ... etcpp. + Listener can register itself for any type of supported + functionality ... but not for document URL's in special. + + @param eJob + is used to know, which set of listener we must notify. + + @param aEvent + describe the event more in detail. + + @threadsafe + */ + void implts_informListener( Job eJob , + const css::frame::FeatureStateEvent& aEvent); + + /** short create a feature event struct, which can be send + to any interested listener. + + @param eJob + describe the current running operation + Job::AutoSave, Job::EmergencySave, Job::Recovery + + @param sEventType + describe the type of this event + START, STOP, UPDATE + + @param pInfo + if sOperation is an update, this parameter must be different from NULL + and is used to send information regarding the current handled document. + + @return [css::frame::FeatureStateEvent] + the event structure for sending. + */ + static css::frame::FeatureStateEvent implst_createFeatureStateEvent( Job eJob , + const OUString& sEventType, + AutoRecovery::TDocumentInfo const * pInfo ); + + class ListenerInformer + { + private: + AutoRecovery &m_rRecovery; + Job m_eJob; + bool m_bStopped; + public: + ListenerInformer(AutoRecovery &rRecovery, Job eJob) + : m_rRecovery(rRecovery), m_eJob(eJob), m_bStopped(false) + { + } + void start(); + void stop(); + ~ListenerInformer() + { + stop(); + } + }; + + // TODO document me + void implts_resetHandleStates(); + + // TODO document me + void implts_specifyDefaultFilterAndExtension(AutoRecovery::TDocumentInfo& rInfo); + + // TODO document me + void implts_specifyAppModuleAndFactory(AutoRecovery::TDocumentInfo& rInfo); + + /** retrieves the names of all active views of the given document + @param rInfo + the document info, whose <code>Document</code> member must not be <NULL/>. + */ + void implts_collectActiveViewNames( AutoRecovery::TDocumentInfo& rInfo ); + + /** updates the configuration so that for all documents, their current view/names are stored + */ + void implts_persistAllActiveViewNames(); + + // TODO document me + void implts_prepareEmergencySave(); + + // TODO document me + void implts_doEmergencySave(const DispatchParams& aParams); + + // TODO document me + void implts_doRecovery(const DispatchParams& aParams); + + // TODO document me + void implts_doSessionSave(const DispatchParams& aParams); + + // TODO document me + void implts_doSessionQuietQuit(); + + // TODO document me + void implts_doSessionRestore(const DispatchParams& aParams); + + // TODO document me + void implts_backupWorkingEntry(const DispatchParams& aParams); + + // TODO document me + void implts_cleanUpWorkingEntry(const DispatchParams& aParams); + + /** try to make sure that all changed config items (not our used + config access only) will be flushed back to disc. + + E.g. our svtools::ConfigItems() has to be flushed explicitly .-( + + Note: This method can't fail. Flushing of config entries is an + optional feature. Errors can be ignored. + */ + void impl_flushALLConfigChanges(); + + // TODO document me + AutoRecovery::EFailureSafeResult implts_copyFile(const OUString& sSource , + const OUString& sTargetPath, + const OUString& sTargetName); + + /** @short converts m_eJob into a job description, which + can be used to inform an outside listener + about the current running operation + + @param eJob + describe the current running operation + Job::AutoSave, Job::EmergencySave, Job::Recovery + + @return [string] + a suitable job description of form: + vnd.sun.star.autorecovery:/do... + */ + static OUString implst_getJobDescription(Job eJob); + + /** @short map the given URL to an internal int representation. + + @param aURL + the url, which describe the next starting or may be already running + operation. + + @return [long] + the internal int representation + see enum class Job + */ + static Job implst_classifyJob(const css::util::URL& aURL); + + /// TODO + void implts_verifyCacheAgainstDesktopDocumentList(); + + /// TODO document me + bool impl_enoughDiscSpace(sal_Int32 nRequiredSpace); + + /// TODO document me + static void impl_showFullDiscError(); + + /** @short try to create/use a progress and set it inside the + environment. + + @descr The problem behind: There exists different use case of this method. + a) An external progress is provided by our CrashSave or Recovery dialog. + b) We must create our own progress e.g. for an AutoSave + c) Sometimes our application filters don't use the progress + provided by the MediaDescriptor. They use the Frame every time to create + its own progress. So we implemented a HACK for these and now we set + an InterceptedProgress there for the time WE use this frame for loading/storing documents .-) + + @param xNewFrame + must be set only in case WE create a new frame (e.g. for loading documents + on session restore or recovery). Then search for a frame using rInfo.Document must + be suppressed and xFrame must be preferred instead .-) + + @param rInfo + used e.g. to find the frame corresponding to a document. + This frame must be used to create a new progress e.g. for an AutoSave. + + @param rArgs + is used to set the new created progress as parameter on these set. + */ + void impl_establishProgress(const AutoRecovery::TDocumentInfo& rInfo , + utl::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame); + + void impl_forgetProgress(const AutoRecovery::TDocumentInfo& rInfo , + utl::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame); + + /** try to remove the specified file from disc. + + Every URL supported by our UCB component can be used here. + Further it doesn't matter if the file really exists or not. + Because removing a non existent file will have the same + result at the end... a non existing file .-) + + On the other side removing of files from disc is an optional + feature. If we are not able doing so... it's not a real problem. + Ok - users disc place will be smaller then... but we should produce + a crash during crash save because we can't delete a temporary file only! + + @param sURL + the url of the file, which should be removed. + */ + void st_impl_removeFile(const OUString& sURL); + + /** try to remove ".lock" file from disc if office will be terminated + not using the official way .-) + + This method has to be handled "optional". So every error inside + has to be ignored ! This method CAN NOT FAIL ... it can forget something only .-) + */ + void st_impl_removeLockFile(); +}; + +// recovery.xcu +static const char CFG_PACKAGE_RECOVERY[] = "org.openoffice.Office.Recovery/"; + +static const char CFG_ENTRY_AUTOSAVE_ENABLED[] = "AutoSave/Enabled"; +static const char CFG_ENTRY_AUTOSAVE_TIMEINTERVALL[] = "AutoSave/TimeIntervall"; //sic! + +static const char CFG_ENTRY_REALDEFAULTFILTER[] = "ooSetupFactoryActualFilter"; + +static const char CFG_ENTRY_PROP_TEMPURL[] = "TempURL"; +static const char CFG_ENTRY_PROP_ORIGINALURL[] = "OriginalURL"; +static const char CFG_ENTRY_PROP_TEMPLATEURL[] = "TemplateURL"; +static const char CFG_ENTRY_PROP_FACTORYURL[] = "FactoryURL"; +static const char CFG_ENTRY_PROP_MODULE[] = "Module"; +static const char CFG_ENTRY_PROP_DOCUMENTSTATE[] = "DocumentState"; +static const char CFG_ENTRY_PROP_FILTER[] = "Filter"; +static const char CFG_ENTRY_PROP_TITLE[] = "Title"; +static const char CFG_ENTRY_PROP_ID[] = "ID"; +static const char CFG_ENTRY_PROP_VIEWNAMES[] = "ViewNames"; + +static const char FILTER_PROP_TYPE[] = "Type"; +static const char TYPE_PROP_EXTENSIONS[] = "Extensions"; + +// setup.xcu +static const char CFG_ENTRY_PROP_EMPTYDOCUMENTURL[] = "ooSetupFactoryEmptyDocumentURL"; +static const char CFG_ENTRY_PROP_FACTORYSERVICE[] = "ooSetupFactoryDocumentService"; + +static const char EVENT_ON_NEW[] = "OnNew"; +static const char EVENT_ON_LOAD[] = "OnLoad"; +static const char EVENT_ON_UNLOAD[] = "OnUnload"; +static const char EVENT_ON_MODIFYCHANGED[] = "OnModifyChanged"; +static const char EVENT_ON_SAVE[] = "OnSave"; +static const char EVENT_ON_SAVEAS[] = "OnSaveAs"; +static const char EVENT_ON_SAVETO[] = "OnCopyTo"; +static const char EVENT_ON_SAVEDONE[] = "OnSaveDone"; +static const char EVENT_ON_SAVEASDONE[] = "OnSaveAsDone"; +static const char EVENT_ON_SAVETODONE[] = "OnCopyToDone"; +static const char EVENT_ON_SAVEFAILED[] = "OnSaveFailed"; +static const char EVENT_ON_SAVEASFAILED[] = "OnSaveAsFailed"; +static const char EVENT_ON_SAVETOFAILED[] = "OnCopyToFailed"; + +static const char RECOVERY_ITEM_BASE_IDENTIFIER[] = "recovery_item_"; + +static const char CMD_PROTOCOL[] = "vnd.sun.star.autorecovery:"; + +static const char CMD_DO_AUTO_SAVE[] = "/doAutoSave"; // force AutoSave ignoring the AutoSave timer +static const char CMD_DO_PREPARE_EMERGENCY_SAVE[] = "/doPrepareEmergencySave"; // prepare the office for the following EmergencySave step (hide windows etcpp.) +static const char CMD_DO_EMERGENCY_SAVE[] = "/doEmergencySave"; // do EmergencySave on crash +static const char CMD_DO_RECOVERY[] = "/doAutoRecovery"; // recover all crashed documents +static const char CMD_DO_ENTRY_BACKUP[] = "/doEntryBackup"; // try to store a temp or original file to a user defined location +static const char CMD_DO_ENTRY_CLEANUP[] = "/doEntryCleanUp"; // remove the specified entry from the recovery cache +static const char CMD_DO_SESSION_SAVE[] = "/doSessionSave"; // save all open documents if e.g. a window manager closes an user session +static const char CMD_DO_SESSION_QUIET_QUIT[] = "/doSessionQuietQuit"; // let the current session be quietly closed ( the saving should be done using doSessionSave previously ) if e.g. a window manager closes an user session +static const char CMD_DO_SESSION_RESTORE[] = "/doSessionRestore"; // restore a saved user session from disc +static const char CMD_DO_DISABLE_RECOVERY[] = "/disableRecovery"; // disable recovery and auto save (!) temp. for this office session +static const char CMD_DO_SET_AUTOSAVE_STATE[] = "/setAutoSaveState"; // disable/enable auto save (not crash save) for this office session + +static const char REFERRER_USER[] = "private:user"; + +static const char PROP_DISPATCH_ASYNCHRON[] = "DispatchAsynchron"; +static const char PROP_PROGRESS[] = "StatusIndicator"; +static const char PROP_SAVEPATH[] = "SavePath"; +static const char PROP_ENTRY_ID[] = "EntryID"; +static const char PROP_AUTOSAVE_STATE[] = "AutoSaveState"; + +static const char OPERATION_START[] = "start"; +static const char OPERATION_STOP[] = "stop"; +static const char OPERATION_UPDATE[] = "update"; + +static const sal_Int32 MIN_DISCSPACE_DOCSAVE = 5; // [MB] +static const sal_Int32 MIN_DISCSPACE_CONFIGSAVE = 1; // [MB] +static const sal_Int32 RETRY_STORE_ON_FULL_DISC_FOREVER = 300; // not forever ... but often enough .-) +static const sal_Int32 RETRY_STORE_ON_MIGHT_FULL_DISC_USEFULL = 3; // in case FULL DISC does not seem the real problem +static const sal_Int32 GIVE_UP_RETRY = 1; // in case FULL DISC does not seem the real problem + +#define SAVE_IN_PROGRESS true +#define SAVE_FINISHED false + +#define LOCK_FOR_CACHE_ADD_REMOVE true +#define LOCK_FOR_CACHE_USE false + +#define MIN_TIME_FOR_USER_IDLE 10000 // 10s user idle + +// enable the following defines in case you wish to simulate a full disc for debug purposes .-) + +// this define throws every time a document is stored or a configuration change +// should be flushed an exception ... so the special error handler for this scenario is triggered +// #define TRIGGER_FULL_DISC_CHECK + +// force "return sal_False" for the method impl_enoughDiscSpace(). +// #define SIMULATE_FULL_DISC + +class CacheLockGuard +{ + private: + + // holds the outside caller alive, so it's shared resources + // are valid every time + css::uno::Reference< css::uno::XInterface > m_xOwner; + + // mutex shared with outside caller! + osl::Mutex& m_rSharedMutex; + + // this variable knows the state of the "cache lock" + sal_Int32& m_rCacheLock; + + // to prevent increasing/decreasing of m_rCacheLock more than once + // we must know if THIS guard has an actual lock set there! + bool m_bLockedByThisGuard; + + public: + + CacheLockGuard(AutoRecovery* pOwner , + osl::Mutex& rMutex , + sal_Int32& rCacheLock , + bool bLockForAddRemoveVectorItems); + ~CacheLockGuard(); + + void lock(bool bLockForAddRemoveVectorItems); + void unlock(); +}; + +CacheLockGuard::CacheLockGuard(AutoRecovery* pOwner , + osl::Mutex& rMutex , + sal_Int32& rCacheLock , + bool bLockForAddRemoveVectorItems) + : m_xOwner (static_cast< css::frame::XDispatch* >(pOwner)) + , m_rSharedMutex (rMutex ) + , m_rCacheLock (rCacheLock ) + , m_bLockedByThisGuard(false ) +{ + lock(bLockForAddRemoveVectorItems); +} + +CacheLockGuard::~CacheLockGuard() +{ + unlock(); + m_xOwner.clear(); +} + +void CacheLockGuard::lock(bool bLockForAddRemoveVectorItems) +{ + /* SAFE */ + osl::MutexGuard g(m_rSharedMutex); + + if (m_bLockedByThisGuard) + return; + + // This cache lock is needed only to prevent us from removing/adding + // items from/into the recovery cache ... during it's used at another code place + // for iterating .-) + + // Modifying of item properties is allowed and sometimes needed! + // So we should detect only the dangerous state of concurrent add/remove + // requests and throw an exception then ... which can of course break the whole + // operation. On the other side a crash reasoned by an invalid stl iterator + // will have the same effect .-) + + if ( (m_rCacheLock > 0) && bLockForAddRemoveVectorItems ) + { + OSL_FAIL("Re-entrance problem detected. Using of an stl structure in combination with iteration, adding, removing of elements etcpp."); + throw css::uno::RuntimeException( + "Re-entrance problem detected. Using of an stl structure in combination with iteration, adding, removing of elements etcpp.", + m_xOwner); + } + + ++m_rCacheLock; + m_bLockedByThisGuard = true; + /* SAFE */ +} + +void CacheLockGuard::unlock() +{ + /* SAFE */ + osl::MutexGuard g(m_rSharedMutex); + + if ( ! m_bLockedByThisGuard) + return; + + --m_rCacheLock; + m_bLockedByThisGuard = false; + + if (m_rCacheLock < 0) + { + OSL_FAIL("Wrong using of member m_nDocCacheLock detected. A ref counted value shouldn't reach values <0 .-)"); + throw css::uno::RuntimeException( + "Wrong using of member m_nDocCacheLock detected. A ref counted value shouldn't reach values <0 .-)", + m_xOwner); + } + /* SAFE */ +} + +DispatchParams::DispatchParams() + : m_nWorkingEntryID(-1) +{ +}; + +DispatchParams::DispatchParams(const ::comphelper::SequenceAsHashMap& lArgs , + const css::uno::Reference< css::uno::XInterface >& xOwner) +{ + m_nWorkingEntryID = lArgs.getUnpackedValueOrDefault(PROP_ENTRY_ID, sal_Int32(-1) ); + m_xProgress = lArgs.getUnpackedValueOrDefault(PROP_PROGRESS, css::uno::Reference< css::task::XStatusIndicator >()); + m_sSavePath = lArgs.getUnpackedValueOrDefault(PROP_SAVEPATH, OUString() ); + m_xHoldRefForAsyncOpAlive = xOwner; +}; + +void DispatchParams::forget() +{ + m_sSavePath.clear(); + m_nWorkingEntryID = -1; + m_xProgress.clear(); + m_xHoldRefForAsyncOpAlive.clear(); +}; + +AutoRecovery::AutoRecovery(const css::uno::Reference< css::uno::XComponentContext >& xContext) + : AutoRecovery_BASE (m_aMutex) + , ::cppu::OPropertySetHelper(cppu::WeakComponentImplHelperBase::rBHelper) + , m_xContext (xContext ) + , m_bListenForDocEvents (false ) + , m_bListenForConfigChanges (false ) + , m_nAutoSaveTimeIntervall (0 ) + , m_eJob (Job::NoJob) + , m_aTimer ( "Auto save timer" ) + , m_xAsyncDispatcher (new vcl::EventPoster( LINK( this, AutoRecovery, implts_asyncDispatch ) )) + , m_eTimerType (E_DONT_START_TIMER ) + , m_nIdPool (0 ) + , m_lListener (cppu::WeakComponentImplHelperBase::rBHelper.rMutex) + , m_nDocCacheLock (0 ) + , m_nMinSpaceDocSave (MIN_DISCSPACE_DOCSAVE ) + , m_nMinSpaceConfigSave (MIN_DISCSPACE_CONFIGSAVE ) +{ + m_aTimer.SetDebugName( "framework::AutoRecovery m_aTimer" ); +} + +void AutoRecovery::initListeners() +{ + // read configuration to know if autosave/recovery is on/off etcpp... + implts_readConfig(); + + implts_startListening(); + + // establish callback for our internal used timer. + // Note: Its only active, if the timer will be started ... + SolarMutexGuard g; + m_aTimer.SetInvokeHandler(LINK(this, AutoRecovery, implts_timerExpired)); +} + +AutoRecovery::~AutoRecovery() +{ + assert(!m_aTimer.IsActive()); +} + +void AutoRecovery::disposing() +{ + implts_stopTimer(); + SolarMutexGuard g; + m_xAsyncDispatcher.reset(); +} + +Any SAL_CALL AutoRecovery::queryInterface( const css::uno::Type& _rType ) +{ + Any aRet = AutoRecovery_BASE::queryInterface( _rType ); + if ( !aRet.hasValue() ) + aRet = OPropertySetHelper::queryInterface( _rType ); + return aRet; +} + +Sequence< css::uno::Type > SAL_CALL AutoRecovery::getTypes( ) +{ + return comphelper::concatSequences( + AutoRecovery_BASE::getTypes(), + ::cppu::OPropertySetHelper::getTypes() + ); +} + +void SAL_CALL AutoRecovery::dispatch(const css::util::URL& aURL , + const css::uno::Sequence< css::beans::PropertyValue >& lArguments) +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::dispatch() starts ..." << aURL.Complete); + + // valid request ? + Job eNewJob = AutoRecovery::implst_classifyJob(aURL); + if (eNewJob == Job::NoJob) + return; + + bool bAsync; + DispatchParams aParams; + /* SAFE */ { + osl::ClearableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // still running operation ... ignoring Job::AutoSave. + // All other requests has higher prio! + if ( + ( m_eJob != Job::NoJob ) && + ((m_eJob & Job::AutoSave ) != Job::AutoSave) + ) + { + SAL_INFO("fwk.autorecovery", "AutoRecovery::dispatch(): There is already an asynchronous dispatch() running. New request will be ignored!"); + return; + } + + ::comphelper::SequenceAsHashMap lArgs(lArguments); + + // check if somewhere wish to disable recovery temp. for this office session + // This can be done immediately... must not been done asynchronous. + if ((eNewJob & Job::DisableAutorecovery) == Job::DisableAutorecovery) + { + // it's important to set a flag internally, so AutoRecovery will be suppressed - even if it's requested. + m_eJob |= eNewJob; + implts_stopTimer(); + implts_stopListening(); + return; + } + + // disable/enable AutoSave for this office session only + // independent from the configuration entry. + if ((eNewJob & Job::SetAutosaveState) == Job::SetAutosaveState) + { + bool bOn = lArgs.getUnpackedValueOrDefault(PROP_AUTOSAVE_STATE, true); + if (bOn) + { + // don't enable AutoSave hardly ! + // reload configuration to know the current state. + implts_readAutoSaveConfig(); + g.clear(); + implts_updateTimer(); + // can it happen that might be the listener was stopped? .-) + // make sure it runs always... even if AutoSave itself was disabled temporarily. + implts_startListening(); + } + else + { + implts_stopTimer(); + m_eJob &= ~Job::AutoSave; + m_eTimerType = AutoRecovery::E_DONT_START_TIMER; + } + return; + } + + m_eJob |= eNewJob; + + bAsync = lArgs.getUnpackedValueOrDefault(PROP_DISPATCH_ASYNCHRON, false); + aParams = DispatchParams(lArgs, static_cast< css::frame::XDispatch* >(this)); + + // Hold this instance alive till the asynchronous operation will be finished. + if (bAsync) + m_aDispatchParams = aParams; + + } /* SAFE */ + + if (bAsync) + m_xAsyncDispatcher->Post(); + else + implts_dispatch(aParams); +} + +void AutoRecovery::ListenerInformer::start() +{ + m_rRecovery.implts_informListener(m_eJob, + AutoRecovery::implst_createFeatureStateEvent(m_eJob, OPERATION_START, nullptr)); +} + +void AutoRecovery::ListenerInformer::stop() +{ + if (m_bStopped) + return; + m_rRecovery.implts_informListener(m_eJob, + AutoRecovery::implst_createFeatureStateEvent(m_eJob, OPERATION_STOP, nullptr)); + m_bStopped = true; +} + +void AutoRecovery::implts_dispatch(const DispatchParams& aParams) +{ + Job eJob; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + eJob = m_eJob; + } /* SAFE */ + + // in case a new dispatch overwrites a may ba active AutoSave session + // we must restore this session later. see below ... + bool bWasAutoSaveActive = ((eJob & Job::AutoSave) == Job::AutoSave); + bool bWasUserAutoSaveActive = + ((eJob & Job::UserAutoSave) == Job::UserAutoSave); + + // On the other side it makes no sense to reactivate the AutoSave operation + // if the new dispatch indicates a final decision... + // E.g. an EmergencySave/SessionSave indicates the end of life of the current office session. + // It makes no sense to reactivate an AutoSave then. + // But a Recovery or SessionRestore should reactivate a may be already active AutoSave. + bool bAllowAutoSaveReactivation = true; + + implts_stopTimer(); + implts_stopListening(); + + ListenerInformer aListenerInformer(*this, eJob); + aListenerInformer.start(); + + try + { + // Auto save is called from our internal timer ... not via dispatch() API ! + // else + if ( + ((eJob & Job::PrepareEmergencySave) == Job::PrepareEmergencySave) && + ((eJob & Job::DisableAutorecovery ) != Job::DisableAutorecovery ) + ) + { + SAL_INFO("fwk.autorecovery", "... prepare emergency save ..."); + bAllowAutoSaveReactivation = false; + implts_prepareEmergencySave(); + } + else + if ( + ((eJob & Job::EmergencySave ) == Job::EmergencySave ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + { + SAL_INFO("fwk.autorecovery", "... do emergency save ..."); + bAllowAutoSaveReactivation = false; + implts_doEmergencySave(aParams); + } + else + if ( + ((eJob & Job::Recovery ) == Job::Recovery ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + { + SAL_INFO("fwk.autorecovery", "... do recovery ..."); + implts_doRecovery(aParams); + } + else + if ( + ((eJob & Job::SessionSave ) == Job::SessionSave ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + { + SAL_INFO("fwk.autorecovery", "... do session save ..."); + bAllowAutoSaveReactivation = false; + implts_doSessionSave(aParams); + } + else + if ( + ((eJob & Job::SessionQuietQuit ) == Job::SessionQuietQuit ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + { + SAL_INFO("fwk.autorecovery", "... do session quiet quit ..."); + bAllowAutoSaveReactivation = false; + implts_doSessionQuietQuit(); + } + else + if ( + ((eJob & Job::SessionRestore ) == Job::SessionRestore ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + { + SAL_INFO("fwk.autorecovery", "... do session restore ..."); + implts_doSessionRestore(aParams); + } + else + if ( + ((eJob & Job::EntryBackup ) == Job::EntryBackup ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + implts_backupWorkingEntry(aParams); + else + if ( + ((eJob & Job::EntryCleanup ) == Job::EntryCleanup ) && + ((eJob & Job::DisableAutorecovery) != Job::DisableAutorecovery) + ) + implts_cleanUpWorkingEntry(aParams); + } + catch(const css::uno::RuntimeException&) + { + throw; + } + catch(const css::uno::Exception&) + { + // TODO better error handling + } + + aListenerInformer.stop(); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_eJob = Job::NoJob; + if ( bAllowAutoSaveReactivation && bWasAutoSaveActive ) + { + m_eJob |= Job::AutoSave; + + if (bWasUserAutoSaveActive) + { + m_eJob |= Job::UserAutoSave; + } + } + + } /* SAFE */ + + // depends on bAllowAutoSaveReactivation implicitly by looking on m_eJob=Job::AutoSave! see before ... + implts_updateTimer(); + + if (bAllowAutoSaveReactivation) + implts_startListening(); +} + +void SAL_CALL AutoRecovery::addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) +{ + if (!xListener.is()) + throw css::uno::RuntimeException("Invalid listener reference.", static_cast< css::frame::XDispatch* >(this)); + // container is threadsafe by using a shared mutex! + m_lListener.addInterface(aURL.Complete, xListener); + + // REENTRANT !? -> -------------------------------- + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::ResettableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + for (auto const& elem : m_lDocCache) + { + css::frame::FeatureStateEvent aEvent = AutoRecovery::implst_createFeatureStateEvent(m_eJob, OPERATION_UPDATE, &elem); + + // } /* SAFE */ + g.clear(); + xListener->statusChanged(aEvent); + g.reset(); + // /* SAFE */ { + } + + } /* SAFE */ +} + +void SAL_CALL AutoRecovery::removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener, + const css::util::URL& aURL ) +{ + if (!xListener.is()) + throw css::uno::RuntimeException("Invalid listener reference.", static_cast< css::frame::XDispatch* >(this)); + // container is threadsafe by using a shared mutex! + m_lListener.removeInterface(aURL.Complete, xListener); +} + +void SAL_CALL AutoRecovery::documentEventOccured(const css::document::DocumentEvent& aEvent) +{ + css::uno::Reference< css::frame::XModel > xDocument(aEvent.Source, css::uno::UNO_QUERY); + + // new document => put it into the internal list + if ( + (aEvent.EventName == EVENT_ON_NEW) || + (aEvent.EventName == EVENT_ON_LOAD) + ) + { + implts_registerDocument(xDocument); + } + // document modified => set its modify state new (means modified against the original file!) + else if ( aEvent.EventName == EVENT_ON_MODIFYCHANGED ) + { + implts_updateModifiedState(xDocument); + } + /* at least one document starts saving process => + Our application code is not ready for multiple save requests + at the same time. So we have to suppress our AutoSave feature + for the moment, till this other save requests will be finished. + */ + else if ( + (aEvent.EventName == EVENT_ON_SAVE) || + (aEvent.EventName == EVENT_ON_SAVEAS) || + (aEvent.EventName == EVENT_ON_SAVETO) + ) + { + implts_updateDocumentUsedForSavingState(xDocument, SAVE_IN_PROGRESS); + } + // document saved => remove tmp. files - but hold config entries alive! + else if ( + (aEvent.EventName == EVENT_ON_SAVEDONE) || + (aEvent.EventName == EVENT_ON_SAVEASDONE) + ) + { + SolarMutexGuard g; + implts_markDocumentAsSaved(xDocument); + implts_updateDocumentUsedForSavingState(xDocument, SAVE_FINISHED); + } + /* document saved as copy => mark it as "non used by concurrent save operation". + so we can try to create a backup copy if next time AutoSave is started too. + Don't remove temp. files or change the modified state of the document! + It was not really saved to the original file... + */ + else if ( aEvent.EventName == EVENT_ON_SAVETODONE ) + { + implts_updateDocumentUsedForSavingState(xDocument, SAVE_FINISHED); + } + // If saving of a document failed by an error ... we have to save this document + // by ourself next time AutoSave or EmergencySave is triggered. + // But we can reset the state "used for other save requests". Otherwise + // these documents will never be saved! + else if ( + (aEvent.EventName == EVENT_ON_SAVEFAILED) || + (aEvent.EventName == EVENT_ON_SAVEASFAILED) || + (aEvent.EventName == EVENT_ON_SAVETOFAILED) + ) + { + implts_updateDocumentUsedForSavingState(xDocument, SAVE_FINISHED); + } + // document closed => remove temp. files and configuration entries + else if ( aEvent.EventName == EVENT_ON_UNLOAD ) + { + implts_deregisterDocument(xDocument); // sal_True => stop listening for disposing() ! + } +} + +void SAL_CALL AutoRecovery::changesOccurred(const css::util::ChangesEvent& aEvent) +{ + const css::uno::Sequence< css::util::ElementChange > lChanges (aEvent.Changes); + const css::util::ElementChange* pChanges = lChanges.getConstArray(); + + sal_Int32 c = lChanges.getLength(); + sal_Int32 i = 0; + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // Changes of the configuration must be ignored if AutoSave/Recovery was disabled for this + // office session. That can happen if e.g. the command line arguments "--norestore" or "--headless" + // was set. + if ((m_eJob & Job::DisableAutorecovery) == Job::DisableAutorecovery) + return; + + for (i=0; i<c; ++i) + { + OUString sPath; + pChanges[i].Accessor >>= sPath; + + if ( sPath == CFG_ENTRY_AUTOSAVE_ENABLED ) + { + bool bEnabled = false; + if (pChanges[i].Element >>= bEnabled) + { + if (bEnabled) + { + m_eJob |= Job::AutoSave; + m_eTimerType = AutoRecovery::E_NORMAL_AUTOSAVE_INTERVALL; + } + else + { + m_eJob &= ~Job::AutoSave; + m_eTimerType = AutoRecovery::E_DONT_START_TIMER; + } + } + } + else + if ( sPath == CFG_ENTRY_AUTOSAVE_TIMEINTERVALL ) + pChanges[i].Element >>= m_nAutoSaveTimeIntervall; + } + + } /* SAFE */ + + // Note: This call stops the timer and starts it again. + // But it checks the different timer states internally and + // may be suppress the restart! + implts_updateTimer(); +} + +void SAL_CALL AutoRecovery::modified(const css::lang::EventObject& aEvent) +{ + css::uno::Reference< css::frame::XModel > xDocument(aEvent.Source, css::uno::UNO_QUERY); + if (! xDocument.is()) + return; + + implts_markDocumentModifiedAgainstLastBackup(xDocument); +} + +void SAL_CALL AutoRecovery::disposing(const css::lang::EventObject& aEvent) +{ + /* SAFE */ + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + if (aEvent.Source == m_xNewDocBroadcaster) + { + m_xNewDocBroadcaster.clear(); + return; + } + + if (aEvent.Source == m_xRecoveryCFG) + { + m_xRecoveryCFG.clear(); + return; + } + + // dispose from one of our cached documents ? + // Normally they should send a OnUnload message ... + // But some stacktraces shows another possible use case .-) + css::uno::Reference< css::frame::XModel > xDocument(aEvent.Source, css::uno::UNO_QUERY); + if (xDocument.is()) + { + implts_deregisterDocument(xDocument, false); // sal_False => don't call removeEventListener() .. because it's not needed here + return; + } + + /* SAFE */ +} + +void AutoRecovery::implts_openConfig() +{ + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + if (m_xRecoveryCFG.is()) + return; + } /* SAFE */ + + css::uno::Reference<css::lang::XMultiServiceFactory> xConfigProvider( + css::configuration::theDefaultProvider::get(m_xContext)); + + std::vector<css::uno::Any> lParams; + css::beans::PropertyValue aParam; + + // set root path + aParam.Name = "nodepath"; + aParam.Value <<= OUString(CFG_PACKAGE_RECOVERY); + lParams.push_back(css::uno::Any(aParam)); + + // throws a RuntimeException if an error occurs! + css::uno::Reference<css::container::XNameAccess> xCFG( + xConfigProvider->createInstanceWithArguments( + "com.sun.star.configuration.ConfigurationAccess", + comphelper::containerToSequence(lParams)), + css::uno::UNO_QUERY); + + sal_Int32 nMinSpaceDocSave = MIN_DISCSPACE_DOCSAVE; + sal_Int32 nMinSpaceConfigSave = MIN_DISCSPACE_CONFIGSAVE; + + try + { + nMinSpaceDocSave = officecfg::Office::Recovery::AutoSave::MinSpaceDocSave::get(m_xContext); + nMinSpaceConfigSave = officecfg::Office::Recovery::AutoSave::MinSpaceConfigSave::get(m_xContext); + } + catch(const css::uno::Exception&) + { + // These config keys are not sooooo important, that + // we are interested on errors here really .-) + nMinSpaceDocSave = MIN_DISCSPACE_DOCSAVE; + nMinSpaceConfigSave = MIN_DISCSPACE_CONFIGSAVE; + } + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_xRecoveryCFG = xCFG; + m_nMinSpaceDocSave = nMinSpaceDocSave; + m_nMinSpaceConfigSave = nMinSpaceConfigSave; + } /* SAFE */ +} + +void AutoRecovery::implts_readAutoSaveConfig() +{ + implts_openConfig(); + + // AutoSave [bool] + bool bEnabled(officecfg::Office::Recovery::AutoSave::Enabled::get(m_xContext)); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + if (bEnabled) + { + bool bUserEnabled(officecfg::Office::Recovery::AutoSave::UserAutoSaveEnabled::get(m_xContext)); + + m_eJob |= Job::AutoSave; + m_eTimerType = AutoRecovery::E_NORMAL_AUTOSAVE_INTERVALL; + + if (bUserEnabled) + { + m_eJob |= Job::UserAutoSave; + } + else + { + m_eJob &= ~Job::UserAutoSave; + } + } + else + { + m_eJob &= ~Job::AutoSave; + m_eTimerType = AutoRecovery::E_DONT_START_TIMER; + } + } /* SAFE */ + + // AutoSaveTimeIntervall [int] in min + sal_Int32 nTimeIntervall(officecfg::Office::Recovery::AutoSave::TimeIntervall::get(m_xContext)); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_nAutoSaveTimeIntervall = nTimeIntervall; + } /* SAFE */ +} + +void AutoRecovery::implts_readConfig() +{ + implts_readAutoSaveConfig(); + + // REENTRANT -> -------------------------------- + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_ADD_REMOVE); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + // reset current cache load cache + m_lDocCache.clear(); + m_nIdPool = 0; + } /* SAFE */ + + aCacheLock.unlock(); + // <- REENTRANT -------------------------------- + + css::uno::Reference<css::container::XNameAccess> xRecoveryList( + officecfg::Office::Recovery::RecoveryList::get(m_xContext)); + const OUString sRECOVERY_ITEM_BASE_IDENTIFIER(RECOVERY_ITEM_BASE_IDENTIFIER); + const css::uno::Sequence< OUString > lItems = xRecoveryList->getElementNames(); + const OUString* pItems = lItems.getConstArray(); + sal_Int32 c = lItems.getLength(); + sal_Int32 i = 0; + + // REENTRANT -> -------------------------- + aCacheLock.lock(LOCK_FOR_CACHE_ADD_REMOVE); + + for (i=0; i<c; ++i) + { + css::uno::Reference< css::beans::XPropertySet > xItem; + xRecoveryList->getByName(pItems[i]) >>= xItem; + if (!xItem.is()) + continue; + + AutoRecovery::TDocumentInfo aInfo; + aInfo.NewTempURL.clear(); + aInfo.Document.clear(); + xItem->getPropertyValue(CFG_ENTRY_PROP_ORIGINALURL) >>= aInfo.OrgURL; + xItem->getPropertyValue(CFG_ENTRY_PROP_TEMPURL) >>= aInfo.OldTempURL; + xItem->getPropertyValue(CFG_ENTRY_PROP_TEMPLATEURL) >>= aInfo.TemplateURL; + xItem->getPropertyValue(CFG_ENTRY_PROP_FILTER) >>= aInfo.RealFilter; + sal_Int32 tmp = 0; + xItem->getPropertyValue(CFG_ENTRY_PROP_DOCUMENTSTATE) >>= tmp; + aInfo.DocumentState = DocState(tmp); + xItem->getPropertyValue(CFG_ENTRY_PROP_MODULE) >>= aInfo.AppModule; + xItem->getPropertyValue(CFG_ENTRY_PROP_TITLE) >>= aInfo.Title; + xItem->getPropertyValue(CFG_ENTRY_PROP_VIEWNAMES) >>= aInfo.ViewNames; + implts_specifyAppModuleAndFactory(aInfo); + implts_specifyDefaultFilterAndExtension(aInfo); + + if (pItems[i].startsWith(sRECOVERY_ITEM_BASE_IDENTIFIER)) + { + OUString sID = pItems[i].copy(sRECOVERY_ITEM_BASE_IDENTIFIER.getLength()); + aInfo.ID = sID.toInt32(); + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + if (aInfo.ID > m_nIdPool) + { + m_nIdPool = aInfo.ID+1; + SAL_WARN_IF(m_nIdPool<0, "fwk.autorecovery", "AutoRecovery::implts_readConfig(): Overflow of IDPool detected!"); + } + } /* SAFE */ + } + else + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_readConfig(): Who changed numbering of recovery items? Cache will be inconsistent then! I do not know, what will happen next time .-)"); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_lDocCache.push_back(aInfo); + } /* SAFE */ + } + + aCacheLock.unlock(); + // <- REENTRANT -------------------------- + + implts_updateTimer(); +} + +void AutoRecovery::implts_specifyDefaultFilterAndExtension(AutoRecovery::TDocumentInfo& rInfo) +{ + if (rInfo.AppModule.isEmpty()) + { + throw css::uno::RuntimeException( + "Can not find out the default filter and its extension, if no application module is known!", + static_cast< css::frame::XDispatch* >(this)); + } + + css::uno::Reference< css::container::XNameAccess> xCFG; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + xCFG = m_xModuleCFG; + } /* SAFE */ + + try + { + if (! xCFG.is()) + { + implts_openConfig(); + // open module config on demand and cache the update access + xCFG.set(officecfg::Setup::Office::Factories::get(m_xContext), + css::uno::UNO_SET_THROW); + + /* SAFE */ { + osl::MutexGuard g2(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_xModuleCFG = xCFG; + } /* SAFE */ + } + + css::uno::Reference< css::container::XNameAccess > xModuleProps( + xCFG->getByName(rInfo.AppModule), + css::uno::UNO_QUERY_THROW); + + xModuleProps->getByName(CFG_ENTRY_REALDEFAULTFILTER) >>= rInfo.DefaultFilter; + + css::uno::Reference< css::container::XNameAccess > xFilterCFG( + m_xContext->getServiceManager()->createInstanceWithContext( + "com.sun.star.document.FilterFactory", m_xContext), css::uno::UNO_QUERY_THROW); + css::uno::Reference< css::container::XNameAccess > xTypeCFG( + m_xContext->getServiceManager()->createInstanceWithContext( + "com.sun.star.document.TypeDetection", m_xContext), css::uno::UNO_QUERY_THROW); + + ::comphelper::SequenceAsHashMap lFilterProps (xFilterCFG->getByName(rInfo.DefaultFilter)); + OUString sTypeRegistration = lFilterProps.getUnpackedValueOrDefault(FILTER_PROP_TYPE, OUString()); + ::comphelper::SequenceAsHashMap lTypeProps (xTypeCFG->getByName(sTypeRegistration)); + css::uno::Sequence< OUString > lExtensions = lTypeProps.getUnpackedValueOrDefault(TYPE_PROP_EXTENSIONS, css::uno::Sequence< OUString >()); + if (lExtensions.hasElements()) + { + rInfo.Extension = "." + lExtensions[0]; + } + else + rInfo.Extension = ".unknown"; + } + catch(const css::uno::Exception&) + { + rInfo.DefaultFilter.clear(); + rInfo.Extension.clear(); + } +} + +void AutoRecovery::implts_specifyAppModuleAndFactory(AutoRecovery::TDocumentInfo& rInfo) +{ + ENSURE_OR_THROW2( + !rInfo.AppModule.isEmpty() || rInfo.Document.is(), + "Can not find out the application module nor its factory URL, if no application module (or a suitable) document is known!", + *this ); + + css::uno::Reference< css::frame::XModuleManager2 > xManager = ModuleManager::create(m_xContext); + + if (rInfo.AppModule.isEmpty()) + rInfo.AppModule = xManager->identify(rInfo.Document); + + ::comphelper::SequenceAsHashMap lModuleDescription(xManager->getByName(rInfo.AppModule)); + lModuleDescription[OUString(CFG_ENTRY_PROP_EMPTYDOCUMENTURL)] >>= rInfo.FactoryURL; + lModuleDescription[OUString(CFG_ENTRY_PROP_FACTORYSERVICE)] >>= rInfo.FactoryService; +} + +void AutoRecovery::implts_collectActiveViewNames( AutoRecovery::TDocumentInfo& i_rInfo ) +{ + ENSURE_OR_THROW2( i_rInfo.Document.is(), "need at document, at the very least", *this ); + + i_rInfo.ViewNames.realloc(0); + + // obtain list of controllers of this document + ::std::vector< OUString > aViewNames; + const Reference< XModel2 > xModel( i_rInfo.Document, UNO_QUERY ); + if ( xModel.is() ) + { + const Reference< css::container::XEnumeration > xEnumControllers( xModel->getControllers() ); + while ( xEnumControllers->hasMoreElements() ) + { + const Reference< XController2 > xController( xEnumControllers->nextElement(), UNO_QUERY ); + OUString sViewName; + if ( xController.is() ) + sViewName = xController->getViewControllerName(); + OSL_ENSURE( !sViewName.isEmpty(), "AutoRecovery::implts_collectActiveViewNames: (no XController2 ->) no view name -> no recovery of this view!" ); + + if ( !sViewName.isEmpty() ) + aViewNames.push_back( sViewName ); + } + } + else + { + const Reference< XController2 > xController( xModel->getCurrentController(), UNO_QUERY ); + OUString sViewName; + if ( xController.is() ) + sViewName = xController->getViewControllerName(); + OSL_ENSURE( !sViewName.isEmpty(), "AutoRecovery::implts_collectActiveViewNames: (no XController2 ->) no view name -> no recovery of this view!" ); + + if ( !sViewName.isEmpty() ) + aViewNames.push_back( sViewName ); + } + + i_rInfo.ViewNames.realloc( aViewNames.size() ); + ::std::copy( aViewNames.begin(), aViewNames.end(), i_rInfo.ViewNames.getArray() ); +} + +void AutoRecovery::implts_persistAllActiveViewNames() +{ + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // This list will be filled with every document + for (auto & elem : m_lDocCache) + { + implts_collectActiveViewNames(elem); + implts_flushConfigItem(elem); + } +} + +void AutoRecovery::implts_flushConfigItem(const AutoRecovery::TDocumentInfo& rInfo, bool bRemoveIt) +{ + std::shared_ptr<comphelper::ConfigurationChanges> batch( + comphelper::ConfigurationChanges::create(m_xContext)); + + try + { + implts_openConfig(); + + css::uno::Reference<css::container::XNameAccess> xCheck( + officecfg::Office::Recovery::RecoveryList::get(batch)); + + css::uno::Reference< css::container::XNameContainer > xModify(xCheck, css::uno::UNO_QUERY_THROW); + css::uno::Reference< css::lang::XSingleServiceFactory > xCreate(xCheck, css::uno::UNO_QUERY_THROW); + + OUString sID = RECOVERY_ITEM_BASE_IDENTIFIER + OUString::number(rInfo.ID); + + // remove + if (bRemoveIt) + { + // Catch NoSuchElementException. + // It's not a good idea inside multithreaded environments to call hasElement - removeElement. + // DO IT! + try + { + xModify->removeByName(sID); + } + catch(const css::container::NoSuchElementException&) + { + return; + } + } + else + { + // new/modify + css::uno::Reference< css::beans::XPropertySet > xSet; + bool bNew = !xCheck->hasByName(sID); + if (bNew) + xSet.set(xCreate->createInstance(), css::uno::UNO_QUERY_THROW); + else + xCheck->getByName(sID) >>= xSet; + + xSet->setPropertyValue(CFG_ENTRY_PROP_ORIGINALURL, css::uno::makeAny(rInfo.OrgURL )); + xSet->setPropertyValue(CFG_ENTRY_PROP_TEMPURL, css::uno::makeAny(rInfo.OldTempURL )); + xSet->setPropertyValue(CFG_ENTRY_PROP_TEMPLATEURL, css::uno::makeAny(rInfo.TemplateURL )); + xSet->setPropertyValue(CFG_ENTRY_PROP_FILTER, css::uno::makeAny(rInfo.RealFilter)); + xSet->setPropertyValue(CFG_ENTRY_PROP_DOCUMENTSTATE, css::uno::makeAny(sal_Int32(rInfo.DocumentState))); + xSet->setPropertyValue(CFG_ENTRY_PROP_MODULE, css::uno::makeAny(rInfo.AppModule)); + xSet->setPropertyValue(CFG_ENTRY_PROP_TITLE, css::uno::makeAny(rInfo.Title)); + xSet->setPropertyValue(CFG_ENTRY_PROP_VIEWNAMES, css::uno::makeAny(rInfo.ViewNames)); + + if (bNew) + xModify->insertByName(sID, css::uno::makeAny(xSet)); + } + } + catch(const css::uno::RuntimeException&) + { + throw; + } + catch(const css::uno::Exception&) + { + // ??? can it happen that a full disc let these set of operations fail too ??? + } + + sal_Int32 nRetry = RETRY_STORE_ON_FULL_DISC_FOREVER; + do + { + try + { + batch->commit(); + +#ifdef TRIGGER_FULL_DISC_CHECK + throw css::uno::Exception("trigger full disk check"); +#else // TRIGGER_FULL_DISC_CHECK + nRetry = 0; +#endif // TRIGGER_FULL_DISC_CHECK + } + catch(const css::uno::Exception&) + { + // a) FULL DISC seems to be the problem behind => show error and retry it forever (e.g. retry=300) + // b) unknown problem (may be locking problem) => reset RETRY value to more useful value(!) (e.g. retry=3) + // c) unknown problem (may be locking problem) + 1..2 repeating operations => throw the original exception to force generation of a stacktrace ! + + sal_Int32 nMinSpaceConfigSave; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + nMinSpaceConfigSave = m_nMinSpaceConfigSave; + } /* SAFE */ + + if (! impl_enoughDiscSpace(nMinSpaceConfigSave)) + AutoRecovery::impl_showFullDiscError(); + else if (nRetry > RETRY_STORE_ON_MIGHT_FULL_DISC_USEFULL) + nRetry = RETRY_STORE_ON_MIGHT_FULL_DISC_USEFULL; + else if (nRetry <= GIVE_UP_RETRY) + throw; // force stacktrace to know if there exist might other reasons, why an AutoSave can fail !!! + + --nRetry; + } + } + while(nRetry>0); +} + +void AutoRecovery::implts_startListening() +{ + css::uno::Reference< css::util::XChangesNotifier > xCFG; + css::uno::Reference< css::frame::XGlobalEventBroadcaster > xBroadcaster; + bool bListenForDocEvents; + bool bListenForConfigChanges; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + xCFG.set (m_xRecoveryCFG, css::uno::UNO_QUERY); + xBroadcaster = m_xNewDocBroadcaster; + bListenForDocEvents = m_bListenForDocEvents; + bListenForConfigChanges = m_bListenForConfigChanges; + } /* SAFE */ + + if ( + ( xCFG.is() ) && + (! bListenForConfigChanges) + ) + { + css::uno::Reference<css::util::XChangesListener> const xListener( + new WeakChangesListener(this)); + xCFG->addChangesListener(xListener); + /* SAFE */ { + osl::MutexGuard g2(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_xRecoveryCFGListener = xListener; + m_bListenForConfigChanges = true; + } /* SAFE */ + } + + if (!xBroadcaster.is()) + { + xBroadcaster = css::frame::theGlobalEventBroadcaster::get(m_xContext); + /* SAFE */ { + osl::MutexGuard g2(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_xNewDocBroadcaster = xBroadcaster; + } /* SAFE */ + } + + if ( + ( xBroadcaster.is() ) && + (! bListenForDocEvents) + ) + { + css::uno::Reference<css::document::XDocumentEventListener> const + xListener(new WeakDocumentEventListener(this)); + xBroadcaster->addDocumentEventListener(xListener); + /* SAFE */ { + osl::MutexGuard g2(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_xNewDocBroadcasterListener = xListener; + m_bListenForDocEvents = true; + } /* SAFE */ + } +} + +void AutoRecovery::implts_stopListening() +{ + css::uno::Reference< css::util::XChangesNotifier > xCFG; + css::uno::Reference< css::document::XDocumentEventBroadcaster > xGlobalEventBroadcaster; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + // Attention: Don't reset our internal members here too. + // May be we must work with our configuration, but don't wish to be informed + // about changes any longer. Needed e.g. during Job::EmergencySave! + xCFG.set (m_xRecoveryCFG , css::uno::UNO_QUERY); + xGlobalEventBroadcaster = m_xNewDocBroadcaster; + } /* SAFE */ + + if (xGlobalEventBroadcaster.is() && m_bListenForDocEvents) + { + xGlobalEventBroadcaster->removeDocumentEventListener(m_xNewDocBroadcasterListener); + m_bListenForDocEvents = false; + } + + if (xCFG.is() && m_bListenForConfigChanges) + { + xCFG->removeChangesListener(m_xRecoveryCFGListener); + m_bListenForConfigChanges = false; + } +} + +void AutoRecovery::implts_startModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo) +{ + if (rInfo.ListenForModify) + return; + + css::uno::Reference< css::util::XModifyBroadcaster > xBroadcaster(rInfo.Document, css::uno::UNO_QUERY); + if (xBroadcaster.is()) + { + css::uno::Reference< css::util::XModifyListener > xThis(static_cast< css::frame::XDispatch* >(this), css::uno::UNO_QUERY); + xBroadcaster->addModifyListener(xThis); + rInfo.ListenForModify = true; + } +} + +void AutoRecovery::implts_stopModifyListeningOnDoc(AutoRecovery::TDocumentInfo& rInfo) +{ + if (! rInfo.ListenForModify) + return; + + css::uno::Reference< css::util::XModifyBroadcaster > xBroadcaster(rInfo.Document, css::uno::UNO_QUERY); + if (xBroadcaster.is()) + { + css::uno::Reference< css::util::XModifyListener > xThis(static_cast< css::frame::XDispatch* >(this), css::uno::UNO_QUERY); + xBroadcaster->removeModifyListener(xThis); + rInfo.ListenForModify = false; + } +} + +void AutoRecovery::implts_updateTimer() +{ + implts_stopTimer(); + + sal_Int32 nMilliSeconds = 0; + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + if ( + (m_eJob == Job::NoJob ) || // TODO may be superfluous - E_DONT_START_TIMER should be used only + (m_eTimerType == AutoRecovery::E_DONT_START_TIMER) + ) + return; + + if (m_eTimerType == AutoRecovery::E_NORMAL_AUTOSAVE_INTERVALL) + { + nMilliSeconds = (m_nAutoSaveTimeIntervall*60000); // [min] => 60.000 ms + } + else if (m_eTimerType == AutoRecovery::E_POLL_FOR_USER_IDLE) + { + nMilliSeconds = MIN_TIME_FOR_USER_IDLE; + } + else if (m_eTimerType == AutoRecovery::E_POLL_TILL_AUTOSAVE_IS_ALLOWED) + nMilliSeconds = 300; // there is a minimum time frame, where the user can lose some key input data! + + + } /* SAFE */ + + SolarMutexGuard g; + m_aTimer.SetTimeout(nMilliSeconds); + m_aTimer.Start(); +} + +void AutoRecovery::implts_stopTimer() +{ + SolarMutexGuard g; + + if (!m_aTimer.IsActive()) + return; + m_aTimer.Stop(); +} + +IMPL_LINK_NOARG(AutoRecovery, implts_timerExpired, Timer *, void) +{ + try + { + // This method is called by using a pointer to us. + // But we must be aware that we can be destroyed hardly + // if our uno reference will be gone! + // => Hold this object alive till this method finish its work. + css::uno::Reference< css::uno::XInterface > xSelfHold(static_cast< css::lang::XTypeProvider* >(this)); + + // Needed! Otherwise every reschedule request allow a new triggered timer event :-( + implts_stopTimer(); + + // The timer must be ignored if AutoSave/Recovery was disabled for this + // office session. That can happen if e.g. the command line arguments "--norestore" or "--headless" + // was set. But normally the timer was disabled if recovery was disabled ... + // But so we are more "safe" .-) + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + if ((m_eJob & Job::DisableAutorecovery) == Job::DisableAutorecovery) + return; + } /* SAFE */ + + // check some "states", where it's not allowed (better: not a good idea) to + // start an AutoSave. (e.g. if the user makes drag & drop ...) + // Then we poll till this "disallowed" state is gone. + bool bAutoSaveNotAllowed = Application::IsUICaptured(); + if (bAutoSaveNotAllowed) + { + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_eTimerType = AutoRecovery::E_POLL_TILL_AUTOSAVE_IS_ALLOWED; + } /* SAFE */ + implts_updateTimer(); + return; + } + + // analyze timer type. + // If we poll for an user idle period, may be we must + // do nothing here and start the timer again. + /* SAFE */ { + osl::ClearableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + if (m_eTimerType == AutoRecovery::E_POLL_FOR_USER_IDLE) + { + bool bUserIdle = Application::GetLastInputInterval() > MIN_TIME_FOR_USER_IDLE; + if (!bUserIdle) + { + g.clear(); + implts_updateTimer(); + return; + } + } + + } /* SAFE */ + + implts_informListener(Job::AutoSave, + AutoRecovery::implst_createFeatureStateEvent(Job::AutoSave, OPERATION_START, nullptr)); + + // force save of all currently open documents + // The called method returns an info, if and how this + // timer must be restarted. + AutoRecovery::ETimerType eSuggestedTimer = implts_saveDocs(true/*bAllowUserIdleLoop*/, false); + + // If timer is not used for "short callbacks" (means polling + // for special states) ... reset the handle state of all + // cache items. Such handle state indicates, that a document + // was already saved during the THIS(!) AutoSave session. + // Of course NEXT AutoSave session must be started without + // any "handle" state ... + if ( + (eSuggestedTimer == AutoRecovery::E_DONT_START_TIMER ) || + (eSuggestedTimer == AutoRecovery::E_NORMAL_AUTOSAVE_INTERVALL) + ) + { + implts_resetHandleStates(); + } + + implts_informListener(Job::AutoSave, + AutoRecovery::implst_createFeatureStateEvent(Job::AutoSave, OPERATION_STOP, nullptr)); + + // restart timer - because it was disabled before ... + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + m_eTimerType = eSuggestedTimer; + } /* SAFE */ + + implts_updateTimer(); + } + catch(const css::uno::Exception&) + { + } +} + +IMPL_LINK_NOARG(AutoRecovery, implts_asyncDispatch, LinkParamNone*, void) +{ + DispatchParams aParams; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + aParams = m_aDispatchParams; + css::uno::Reference< css::uno::XInterface > xHoldRefForMethodAlive = aParams.m_xHoldRefForAsyncOpAlive; + m_aDispatchParams.forget(); // clears all members ... including the ref-hold object .-) + } /* SAFE */ + + try + { + implts_dispatch(aParams); + } + catch (...) + { + } +} + +void AutoRecovery::implts_registerDocument(const css::uno::Reference< css::frame::XModel >& xDocument) +{ + // ignore corrupted events, where no document is given ... Runtime Error ?! + if (!xDocument.is()) + return; + + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + // notification for already existing document ! + // Can happen if events came in asynchronous on recovery time. + // Then our cache was filled from the configuration ... but now we get some + // asynchronous events from the global event broadcaster. We must be sure that + // we don't add the same document more than once. + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt != m_lDocCache.end()) + { + // Normally nothing must be done for this "late" notification. + // But may be the modified state was changed inbetween. + // Check it... + implts_updateModifiedState(xDocument); + return; + } + + aCacheLock.unlock(); + + utl::MediaDescriptor lDescriptor(xDocument->getArgs()); + + // check if this document must be ignored for recovery ! + // Some use cases don't wish support for AutoSave/Recovery ... as e.g. OLE-Server / ActiveX Control etcpp. + bool bNoAutoSave = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_NOAUTOSAVE(), false); + if (bNoAutoSave) + return; + + // Check if doc is well known on the desktop. Otherwise ignore it! + // Other frames mostly are used from external programs - e.g. the bean ... + css::uno::Reference< css::frame::XController > xController = xDocument->getCurrentController(); + if (!xController.is()) + return; + + css::uno::Reference< css::frame::XFrame > xFrame = xController->getFrame(); + if (!xFrame.is()) + return; + css::uno::Reference< css::frame::XDesktop > xDesktop (xFrame->getCreator(), css::uno::UNO_QUERY); + if (!xDesktop.is()) + return; + + // if the document doesn't support the XDocumentRecovery interface, we're not interested in it. + Reference< XDocumentRecovery > xDocRecovery( xDocument, UNO_QUERY ); + if ( !xDocRecovery.is() ) + return; + + // get all needed information of this document + // We need it to update our cache or to locate already existing elements there! + AutoRecovery::TDocumentInfo aNew; + aNew.Document = xDocument; + + // TODO replace getLocation() with getURL() ... it's a workaround currently only! + css::uno::Reference< css::frame::XStorable > xDoc(aNew.Document, css::uno::UNO_QUERY_THROW); + aNew.OrgURL = xDoc->getLocation(); + + css::uno::Reference< css::frame::XTitle > xTitle(aNew.Document, css::uno::UNO_QUERY_THROW); + aNew.Title = xTitle->getTitle (); + + // classify the used application module, which is used by this document. + implts_specifyAppModuleAndFactory(aNew); + + // Hack! Check for "illegal office documents"... as e.g. the Basic IDE + // It's not really a full featured office document. It doesn't provide a URL, any filter, a factory URL etcpp. + // TODO file bug to Basic IDE developers. They must remove the office document API from its service. + if ( + (aNew.OrgURL.isEmpty()) && + (aNew.FactoryURL.isEmpty()) + ) + { + OSL_FAIL( "AutoRecovery::implts_registerDocument: this should not happen anymore!" ); + // nowadays, the Basic IDE should already die on the "supports XDocumentRecovery" check. And no other known + // document type fits in here ... + return; + } + + // By the way - get some information about the default format for saving! + // and save an information about the real used filter by this document. + // We save this document with DefaultFilter ... and load it with the RealFilter. + implts_specifyDefaultFilterAndExtension(aNew); + aNew.RealFilter = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_FILTERNAME() , OUString()); + + // Further we must know, if this document base on a template. + // Then we must load it in a different way. + css::uno::Reference< css::document::XDocumentPropertiesSupplier > xSupplier(aNew.Document, css::uno::UNO_QUERY); + if (xSupplier.is()) // optional interface! + { + css::uno::Reference< css::document::XDocumentProperties > xDocProps(xSupplier->getDocumentProperties(), css::uno::UNO_SET_THROW); + aNew.TemplateURL = xDocProps->getTemplateURL(); + } + + css::uno::Reference< css::util::XModifiable > xModifyCheck(xDocument, css::uno::UNO_QUERY_THROW); + if (xModifyCheck->isModified()) + { + aNew.DocumentState |= DocState::Modified; + } + + aCacheLock.lock(LOCK_FOR_CACHE_ADD_REMOVE); + + AutoRecovery::TDocumentInfo aInfo; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // create a new cache entry ... this document is not known. + ++m_nIdPool; + aNew.ID = m_nIdPool; + SAL_WARN_IF(m_nIdPool<0, "fwk.autorecovery", "AutoRecovery::implts_registerDocument(): Overflow of ID pool detected."); + m_lDocCache.push_back(aNew); + + AutoRecovery::TDocumentList::iterator pIt1 = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + aInfo = *pIt1; + + } /* SAFE */ + + implts_flushConfigItem(aInfo); + implts_startModifyListeningOnDoc(aInfo); + + aCacheLock.unlock(); +} + +void AutoRecovery::implts_deregisterDocument(const css::uno::Reference< css::frame::XModel >& xDocument , + bool bStopListening) +{ + AutoRecovery::TDocumentInfo aInfo; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // Attention: Don't leave SAFE section, if you work with pIt! + // Because it points directly into the m_lDocCache list ... + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt == m_lDocCache.end()) + return; // unknown document => not a runtime error! Because we register only a few documents. see registration ... + + aInfo = *pIt; + + aCacheLock.unlock(); + + // Sometimes we close documents by ourself. + // And these documents can't be deregistered. + // Otherwise we lose our configuration data... but need it ! + // see SessionSave ! + if (aInfo.IgnoreClosing) + return; + + CacheLockGuard aCacheLock2(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_ADD_REMOVE); + pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt != m_lDocCache.end()) + m_lDocCache.erase(pIt); + pIt = m_lDocCache.end(); // otherwise it's not specified what pIt means! + aCacheLock2.unlock(); + + } /* SAFE */ + + /* This method is called within disposing() of the document too. But there it's not a good idea to + deregister us as listener. Further it makes no sense - because the broadcaster dies. + So we suppress deregistration in such case... + */ + if (bStopListening) + implts_stopModifyListeningOnDoc(aInfo); + + AutoRecovery::st_impl_removeFile(aInfo.OldTempURL); + AutoRecovery::st_impl_removeFile(aInfo.NewTempURL); + implts_flushConfigItem(aInfo, true); // sal_True => remove it from config +} + +void AutoRecovery::implts_markDocumentModifiedAgainstLastBackup(const css::uno::Reference< css::frame::XModel >& xDocument) +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt != m_lDocCache.end()) + { + /* Now we know, that this document was modified again and must be saved next time. + But we don't need this information for every e.g. key input of the user. + So we stop listening here. + But if the document was saved as temp. file we start listening for this event again. + */ + implts_stopModifyListeningOnDoc(*pIt); + } + + } /* SAFE */ +} + +void AutoRecovery::implts_updateModifiedState(const css::uno::Reference< css::frame::XModel >& xDocument) +{ + // use true as fallback to get every document on EmergencySave/AutoRecovery! + bool bModified = true; + css::uno::Reference< css::util::XModifiable > xModify(xDocument, css::uno::UNO_QUERY); + if (xModify.is()) + bModified = xModify->isModified(); + + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt != m_lDocCache.end()) + { + AutoRecovery::TDocumentInfo& rInfo = *pIt; + + if (bModified) + { + rInfo.DocumentState |= DocState::Modified; + } + else + { + rInfo.DocumentState &= ~DocState::Modified; + } + } + + } /* SAFE */ +} + +void AutoRecovery::implts_updateDocumentUsedForSavingState(const css::uno::Reference< css::frame::XModel >& xDocument , + bool bSaveInProgress) +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt == m_lDocCache.end()) + return; + AutoRecovery::TDocumentInfo& rInfo = *pIt; + rInfo.UsedForSaving = bSaveInProgress; + + } /* SAFE */ +} + +void AutoRecovery::implts_markDocumentAsSaved(const css::uno::Reference< css::frame::XModel >& xDocument) +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + AutoRecovery::TDocumentInfo aInfo; + OUString sRemoveURL1; + OUString sRemoveURL2; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + AutoRecovery::TDocumentList::iterator pIt = AutoRecovery::impl_searchDocument(m_lDocCache, xDocument); + if (pIt == m_lDocCache.end()) + return; + aInfo = *pIt; + + /* Since the document has been saved, update its entry in the document + * cache. We essentially reset the state of the document from an + * autorecovery perspective, updating things like the filename (which + * would change in the case of a 'Save as' operation) and the associated + * backup file URL. */ + + aInfo.DocumentState = DocState::Unknown; + // TODO replace getLocation() with getURL() ... it's a workaround currently only! + css::uno::Reference< css::frame::XStorable > xDoc(aInfo.Document, css::uno::UNO_QUERY); + aInfo.OrgURL = xDoc->getLocation(); + + /* Save off the backup file URLs and then clear them. NOTE - it is + * important that we clear them - otherwise, we could enter a state + * where pIt->OldTempURL == pIt->NewTempURL and our backup algorithm + * in implts_saveOneDoc will write to that URL and then delete the file + * at that URL (bug #96607) */ + sRemoveURL1 = aInfo.OldTempURL; + sRemoveURL2 = aInfo.NewTempURL; + aInfo.OldTempURL.clear(); + aInfo.NewTempURL.clear(); + + utl::MediaDescriptor lDescriptor(aInfo.Document->getArgs()); + aInfo.RealFilter = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_FILTERNAME(), OUString()); + + css::uno::Reference< css::frame::XTitle > xDocTitle(xDocument, css::uno::UNO_QUERY); + if (xDocTitle.is ()) + aInfo.Title = xDocTitle->getTitle (); + else + { + aInfo.Title = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_TITLE() , OUString()); + if (aInfo.Title.isEmpty()) + aInfo.Title = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_DOCUMENTTITLE(), OUString()); + } + + aInfo.UsedForSaving = false; + + *pIt = aInfo; + + } /* SAFE */ + + implts_flushConfigItem(aInfo); + + aCacheLock.unlock(); + + AutoRecovery::st_impl_removeFile(sRemoveURL1); + AutoRecovery::st_impl_removeFile(sRemoveURL2); +} + +AutoRecovery::TDocumentList::iterator AutoRecovery::impl_searchDocument( AutoRecovery::TDocumentList& rList , + const css::uno::Reference< css::frame::XModel >& xDocument) +{ + return std::find_if(rList.begin(), rList.end(), + [&xDocument](const AutoRecovery::TDocumentInfo& rInfo) { return rInfo.Document == xDocument; }); +} + +void lcl_changeVisibility( const css::uno::Reference< css::frame::XFramesSupplier >& i_rFrames, bool i_bVisible ) +{ + css::uno::Reference< css::container::XIndexAccess > xFramesContainer = i_rFrames->getFrames(); + const sal_Int32 count = xFramesContainer->getCount(); + + Any aElement; + for ( sal_Int32 i=0; i < count; ++i ) + { + aElement = xFramesContainer->getByIndex(i); + // check for sub frames + css::uno::Reference< css::frame::XFramesSupplier > xFramesSupp( aElement, css::uno::UNO_QUERY ); + if ( xFramesSupp.is() ) + lcl_changeVisibility( xFramesSupp, i_bVisible ); + + css::uno::Reference< css::frame::XFrame > xFrame( aElement, css::uno::UNO_QUERY ); + if ( !xFrame.is() ) + continue; + + css::uno::Reference< css::awt::XWindow > xWindow( xFrame->getContainerWindow(), UNO_SET_THROW ); + xWindow->setVisible( i_bVisible ); + } +} + +void AutoRecovery::implts_changeAllDocVisibility(bool bVisible) +{ + css::uno::Reference< css::frame::XFramesSupplier > xDesktop = css::frame::Desktop::create(m_xContext); + lcl_changeVisibility( xDesktop, bVisible ); +} + +/* Currently the document is not closed in case of crash, + so the lock file must be removed explicitly +*/ +void lc_removeLockFile(AutoRecovery::TDocumentInfo const & rInfo) +{ +#if !HAVE_FEATURE_MULTIUSER_ENVIRONMENT || HAVE_FEATURE_MACOSX_SANDBOX + (void) rInfo; +#else + if ( !rInfo.Document.is() ) + return; + + try + { + css::uno::Reference< css::frame::XStorable > xStore(rInfo.Document, css::uno::UNO_QUERY_THROW); + OUString aURL = xStore->getLocation(); + if ( !aURL.isEmpty() ) + { + ::svt::DocumentLockFile aLockFile( aURL ); + aLockFile.RemoveFile(); + } + } + catch( const css::uno::Exception& ) + { + } +#endif +} + +void AutoRecovery::implts_prepareSessionShutdown() +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_prepareSessionShutdown() starts ..."); + + // a) reset modified documents (of course the must be saved before this method is called!) + // b) close it without showing any UI! + + /* SAFE */ { + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + for (auto & info : m_lDocCache) + { + // WORKAROUND... Since the documents are not closed the lock file must be removed explicitly + // it is not done on documents saving since shutdown can be cancelled + lc_removeLockFile( info ); + + // Prevent us from deregistration of these documents. + // Because we close these documents by ourself (see XClosable below) ... + // it's fact, that we reach our deregistration method. There we + // must not(!) update our configuration ... Otherwise all + // session data are lost !!! + info.IgnoreClosing = true; + + // reset modified flag of these documents (ignoring the notification about it!) + // Otherwise a message box is shown on closing these models. + implts_stopModifyListeningOnDoc(info); + + // if the session save is still running the documents should not be thrown away, + // actually that would be a bad sign, that means that the SessionManager tries + // to kill the session before the saving is ready + if ((m_eJob & Job::SessionSave) != Job::SessionSave) + { + css::uno::Reference< css::util::XModifiable > xModify(info.Document, css::uno::UNO_QUERY); + if (xModify.is()) + xModify->setModified(false); + + // close the model. + css::uno::Reference< css::util::XCloseable > xClose(info.Document, css::uno::UNO_QUERY); + if (xClose.is()) + { + try + { + xClose->close(false); + } + catch(const css::uno::Exception&) + { + // At least it's only a try to close these documents before anybody else it does. + // So it seems to be possible to ignore any error here .-) + } + + info.Document.clear(); + } + } + } + + aCacheLock.unlock(); + } /* SAFE */ +} + +/* TODO WORKAROUND: + + #i64599# + + Normally the MediaDescriptor argument NoAutoSave indicates, + that a document must be ignored for AutoSave and Recovery. + But sometimes XModel->getArgs() does not contained this information + if implts_registerDocument() was called. + So we have to check a second time, if this property is set... + Best place doing so is to check it immediately before saving + and suppressing saving the document then. + Of course removing the corresponding cache entry is not an option. + Because it would disturb iteration over the cache! + So we ignore such documents only... + Hopefully next time they are not inserted in our cache. +*/ +bool lc_checkIfSaveForbiddenByArguments(AutoRecovery::TDocumentInfo const & rInfo) +{ + if (! rInfo.Document.is()) + return true; + + utl::MediaDescriptor lDescriptor(rInfo.Document->getArgs()); + bool bNoAutoSave = lDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_NOAUTOSAVE(), false); + + return bNoAutoSave; +} + +AutoRecovery::ETimerType AutoRecovery::implts_saveDocs( bool bAllowUserIdleLoop, + bool bRemoveLockFiles, + const DispatchParams* pParams ) +{ + css::uno::Reference< css::task::XStatusIndicator > xExternalProgress; + if (pParams) + xExternalProgress = pParams->m_xProgress; + + css::uno::Reference< css::frame::XDesktop2 > xDesktop = css::frame::Desktop::create(m_xContext); + OUString sBackupPath(SvtPathOptions().GetBackupPath()); + + css::uno::Reference< css::frame::XController > xActiveController; + css::uno::Reference< css::frame::XModel > xActiveModel; + css::uno::Reference< css::frame::XFrame > xActiveFrame = xDesktop->getActiveFrame(); + if (xActiveFrame.is()) + xActiveController = xActiveFrame->getController(); + if (xActiveController.is()) + xActiveModel = xActiveController->getModel(); + + // Set the default timer action for our call. + // Default = NORMAL_AUTOSAVE + // We return a suggestion for an active timer only. + // It will be ignored if the timer was disabled by the user ... + // Further this state can be set to USER_IDLE only later in this method. + // It's not allowed to reset such state then. Because we must know, if + // there exists POSTPONED documents. see below ... + AutoRecovery::ETimerType eTimer = AutoRecovery::E_NORMAL_AUTOSAVE_INTERVALL; + + Job eJob = m_eJob; + + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::ResettableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + // This list will be filled with every document + // which should be saved as last one. E.g. if it was used + // already for a UI save operation => crashed ... and + // now we try to save it again ... which can fail again ( of course .-) ). + ::std::vector< AutoRecovery::TDocumentList::iterator > lDangerousDocs; + + AutoRecovery::TDocumentList::iterator pIt; + for ( pIt = m_lDocCache.begin(); + pIt != m_lDocCache.end(); + ++pIt ) + { + AutoRecovery::TDocumentInfo aInfo = *pIt; + + // WORKAROUND... Since the documents are not closed the lock file must be removed explicitly + if ( bRemoveLockFiles ) + lc_removeLockFile( aInfo ); + + // WORKAROUND ... see comment of this method + if (lc_checkIfSaveForbiddenByArguments(aInfo)) + continue; + + // already auto saved during this session :-) + // This state must be reset for all documents + // if timer is started with normal AutoSaveTimerIntervall! + if ((aInfo.DocumentState & DocState::Handled) == DocState::Handled) + continue; + + // Not modified documents are not saved. + // We safe an information about the URL only! + Reference< XDocumentRecovery > xDocRecover( aInfo.Document, UNO_QUERY_THROW ); + if ( !xDocRecover->wasModifiedSinceLastSave() ) + { + aInfo.DocumentState |= DocState::Handled; + continue; + } + + // check if this document is still used by a concurrent save operation + // e.g. if the user tried to save via UI. + // Handle it in the following way: + // i) For an AutoSave ... ignore this document! It will be saved and next time we will (hopefully) + // get a notification about the state of this operation. + // And if a document was saved by the user we can remove our temp. file. But that will be done inside + // our callback for SaveDone notification. + // ii) For a CrashSave ... add it to the list of dangerous documents and + // save it after all other documents was saved successfully. That decrease + // the chance for a crash inside a crash. + // On the other side it's not necessary for documents, which are not modified. + // They can be handled normally - means we patch the corresponding configuration entry only. + // iii) For a SessionSave ... ignore it! There is no time to wait for this save operation. + // Because the WindowManager will kill the process if it doesn't react immediately. + // On the other side we can't risk a concurrent save request ... because we know + // that it will produce a crash. + + // Attention: Because eJob is used as a flag field, you have to check for the worst case first. + // E.g. a CrashSave can overwrite an AutoSave. So you have to check for a CrashSave before an AutoSave! + if (aInfo.UsedForSaving) + { + if ((eJob & Job::EmergencySave) == Job::EmergencySave) + { + lDangerousDocs.push_back(pIt); + continue; + } + else + if ((eJob & Job::SessionSave) == Job::SessionSave) + { + continue; + } + else + if ((eJob & Job::AutoSave) == Job::AutoSave) + { + eTimer = AutoRecovery::E_POLL_TILL_AUTOSAVE_IS_ALLOWED; + aInfo.DocumentState |= DocState::Postponed; + continue; + } + } + + // a) Document was not postponed - and is active now. => postpone it (restart timer, restart loop) + // b) Document was not postponed - and is not active now. => save it + // c) Document was postponed - and is not active now. => save it + // d) Document was postponed - and is active now. => save it (because user idle was checked already) + bool bActive = (xActiveModel == aInfo.Document); + bool bWasPostponed = ((aInfo.DocumentState & DocState::Postponed) == DocState::Postponed); + + if ( + ! bWasPostponed && + bActive + ) + { + aInfo.DocumentState |= DocState::Postponed; + *pIt = aInfo; + // postponed documents will be saved if this method is called again! + // That can be done by an outside started timer => E_POLL_FOR_USER_IDLE (if normal AutoSave is active) + // or it must be done directly without starting any timer => E_CALL_ME_BACK (if Emergency- or SessionSave is active and must be finished ASAP!) + eTimer = AutoRecovery::E_POLL_FOR_USER_IDLE; + if (!bAllowUserIdleLoop) + eTimer = AutoRecovery::E_CALL_ME_BACK; + continue; + } + + // b, c, d) + // } /* SAFE */ + g.clear(); + // changing of aInfo and flushing it is done inside implts_saveOneDoc! + implts_saveOneDoc(sBackupPath, aInfo, xExternalProgress); + implts_informListener(eJob, AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &aInfo)); + g.reset(); + // /* SAFE */ { + + *pIt = aInfo; + } + + // Did we have some "dangerous candidates" ? + // Try to save it ... but may be it will fail ! + for (auto const& dangerousDoc : lDangerousDocs) + { + pIt = dangerousDoc; + AutoRecovery::TDocumentInfo aInfo = *pIt; + + // } /* SAFE */ + g.clear(); + // changing of aInfo and flushing it is done inside implts_saveOneDoc! + implts_saveOneDoc(sBackupPath, aInfo, xExternalProgress); + implts_informListener(eJob, AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &aInfo)); + g.reset(); + // /* SAFE */ { + + *pIt = aInfo; + } + + } /* SAFE */ + + return eTimer; +} + +void AutoRecovery::implts_saveOneDoc(const OUString& sBackupPath , + AutoRecovery::TDocumentInfo& rInfo , + const css::uno::Reference< css::task::XStatusIndicator >& xExternalProgress) +{ + // no document? => can occur if we loaded our configuration with files, + // which couldn't be recovered successfully. In such case we have all needed information + // excepting the real document instance! + + // TODO: search right place, where such "dead files" can be removed from the configuration! + if (!rInfo.Document.is()) + return; + + utl::MediaDescriptor lOldArgs(rInfo.Document->getArgs()); + implts_generateNewTempURL(sBackupPath, lOldArgs, rInfo); + + // if the document was loaded with a password, it should be + // stored with password + utl::MediaDescriptor lNewArgs; + css::uno::Sequence< css::beans::NamedValue > aEncryptionData = + lOldArgs.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_ENCRYPTIONDATA(), + css::uno::Sequence< css::beans::NamedValue >()); + if (aEncryptionData.hasElements()) + lNewArgs[utl::MediaDescriptor::PROP_ENCRYPTIONDATA()] <<= aEncryptionData; + + // Further it must be saved using the default file format of that application. + // Otherwise we will some data lost. + if (!rInfo.DefaultFilter.isEmpty()) + lNewArgs[utl::MediaDescriptor::PROP_FILTERNAME()] <<= rInfo.DefaultFilter; + + // prepare frame/document/mediadescriptor in a way, that it uses OUR progress .-) + if (xExternalProgress.is()) + lNewArgs[utl::MediaDescriptor::PROP_STATUSINDICATOR()] <<= xExternalProgress; + impl_establishProgress(rInfo, lNewArgs, css::uno::Reference< css::frame::XFrame >()); + + // #i66598# use special handling of property "DocumentBaseURL" (it must be an empty string!) + // for make hyperlinks working + lNewArgs[utl::MediaDescriptor::PROP_DOCUMENTBASEURL()] <<= OUString(); + + // try to save this document as a new temp file every time. + // Mark AutoSave state as "INCOMPLETE" if it failed. + // Because the last temp file is too old and does not include all changes. + Reference< XDocumentRecovery > xDocRecover(rInfo.Document, css::uno::UNO_QUERY_THROW); + + // safe the state about "trying to save" + // ... we need it for recovery if e.g. a crash occurs inside next line! + rInfo.DocumentState |= DocState::TrySave; + implts_flushConfigItem(rInfo); + + // If userautosave is enabled, first try to save the original file. + // Note that we must do it *before* calling storeToRecoveryFile, so in case of failure here + // we won't remain with the modified flag set to true, even though the autorecovery save succeeded. + try + { + // We must check here for an empty URL to avoid a "This operation is not supported on this operating system." + // message during autosave. + if ((m_eJob & Job::UserAutoSave) == Job::UserAutoSave && !rInfo.OrgURL.isEmpty()) + { + Reference< XStorable > xDocSave(rInfo.Document, css::uno::UNO_QUERY_THROW); + xDocSave->store(); + } + } + catch(const css::uno::Exception&) + { + } + + sal_Int32 nRetry = RETRY_STORE_ON_FULL_DISC_FOREVER; + bool bError = false; + do + { + try + { + xDocRecover->storeToRecoveryFile( rInfo.NewTempURL, lNewArgs.getAsConstPropertyValueList() ); + +#ifdef TRIGGER_FULL_DISC_CHECK + throw css::uno::Exception("trigger full disk check"); +#else // TRIGGER_FULL_DISC_CHECK + + bError = false; + nRetry = 0; +#endif // TRIGGER_FULL_DISC_CHECK + } + catch(const css::uno::Exception&) + { + bError = true; + + // a) FULL DISC seems to be the problem behind => show error and retry it forever (e.g. retry=300) + // b) unknown problem (may be locking problem) => reset RETRY value to more useful value(!) (e.g. retry=3) + // c) unknown problem (may be locking problem) + 1..2 repeating operations => throw the original exception to force generation of a stacktrace ! + + sal_Int32 nMinSpaceDocSave; + /* SAFE */ { + osl::MutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + nMinSpaceDocSave = m_nMinSpaceDocSave; + } /* SAFE */ + + if (! impl_enoughDiscSpace(nMinSpaceDocSave)) + AutoRecovery::impl_showFullDiscError(); + else if (nRetry > RETRY_STORE_ON_MIGHT_FULL_DISC_USEFULL) + nRetry = RETRY_STORE_ON_MIGHT_FULL_DISC_USEFULL; + else if (nRetry <= GIVE_UP_RETRY) + throw; // force stacktrace to know if there exist might other reasons, why an AutoSave can fail !!! + + --nRetry; + } + } + while(nRetry>0); + + if (! bError) + { + // safe the state about success + // ... you know the reason: to know it on recovery time if next line crash .-) + rInfo.DocumentState &= ~DocState::TrySave; + rInfo.DocumentState |= DocState::Handled; + rInfo.DocumentState |= DocState::Succeeded; + } + else + { + // safe the state about error ... + rInfo.NewTempURL.clear(); + rInfo.DocumentState &= ~DocState::TrySave; + rInfo.DocumentState |= DocState::Handled; + rInfo.DocumentState |= DocState::Incomplete; + } + + // make sure the progress is not referred any longer + impl_forgetProgress(rInfo, lNewArgs, css::uno::Reference< css::frame::XFrame >()); + + // try to remove the old temp file. + // Ignore any error here. We have a new temp file, which is up to date. + // The only thing is: we fill the disk with temp files, if we can't remove old ones :-) + OUString sRemoveFile = rInfo.OldTempURL; + rInfo.OldTempURL = rInfo.NewTempURL; + rInfo.NewTempURL.clear(); + + implts_flushConfigItem(rInfo); + + // We must know if the user modifies the document again ... + implts_startModifyListeningOnDoc(rInfo); + + AutoRecovery::st_impl_removeFile(sRemoveFile); +} + +AutoRecovery::ETimerType AutoRecovery::implts_openDocs(const DispatchParams& aParams) +{ + AutoRecovery::ETimerType eTimer = AutoRecovery::E_DONT_START_TIMER; + + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::ResettableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + Job eJob = m_eJob; + for (auto & info : m_lDocCache) + { + // Such documents are already loaded by the last loop. + // Don't check DocState::Succeeded here! It may be the final state of an AutoSave + // operation before!!! + if ((info.DocumentState & DocState::Handled) == DocState::Handled) + continue; + + // a1,b1,c1,d2,e2,f2) + if ((info.DocumentState & DocState::Damaged) == DocState::Damaged) + { + // don't forget to inform listener! May be this document was + // damaged on last saving time ... + // Then our listener need this notification. + // If it was damaged during last "try to open" ... + // it will be notified more than once. SH.. HAPPENS ... + // } /* SAFE */ + g.clear(); + implts_informListener(eJob, + AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &info)); + g.reset(); + // /* SAFE */ { + continue; + } + + utl::MediaDescriptor lDescriptor; + + // it's a UI feature - so the "USER" itself must be set as referrer + lDescriptor[utl::MediaDescriptor::PROP_REFERRER()] <<= OUString(REFERRER_USER); + lDescriptor[utl::MediaDescriptor::PROP_SALVAGEDFILE()] <<= OUString(); + + // recovered documents are loaded hidden, and shown all at once, later + lDescriptor[utl::MediaDescriptor::PROP_HIDDEN()] <<= true; + + if (aParams.m_xProgress.is()) + lDescriptor[utl::MediaDescriptor::PROP_STATUSINDICATOR()] <<= aParams.m_xProgress; + + bool bBackupWasTried = ( + ((info.DocumentState & DocState::TryLoadBackup ) == DocState::TryLoadBackup) || // temp. state! + ((info.DocumentState & DocState::Incomplete ) == DocState::Incomplete ) // transport DocState::TryLoadBackup from last loop to this new one! + ); + bool bOriginalWasTried = ((info.DocumentState & DocState::TryLoadOriginal) == DocState::TryLoadOriginal); + + if (bBackupWasTried) + { + if (!bOriginalWasTried) + { + info.DocumentState |= DocState::Incomplete; + // try original URL ... ! don't continue with next item here ... + } + else + { + info.DocumentState |= DocState::Damaged; + continue; + } + } + + OUString sLoadOriginalURL; + OUString sLoadBackupURL; + + if (!bBackupWasTried) + sLoadBackupURL = info.OldTempURL; + + if (!info.OrgURL.isEmpty()) + { + sLoadOriginalURL = info.OrgURL; + } + else if (!info.TemplateURL.isEmpty()) + { + sLoadOriginalURL = info.TemplateURL; + lDescriptor[utl::MediaDescriptor::PROP_ASTEMPLATE()] <<= true; + lDescriptor[utl::MediaDescriptor::PROP_TEMPLATENAME()] <<= info.TemplateURL; + } + else if (!info.FactoryURL.isEmpty()) + { + sLoadOriginalURL = info.FactoryURL; + lDescriptor[utl::MediaDescriptor::PROP_ASTEMPLATE()] <<= true; + } + + // A "Salvaged" item must exists every time. The core can make something special then for recovery. + // Of course it should be the real file name of the original file, in case we load the temp. backup here. + OUString sURL; + if (!sLoadBackupURL.isEmpty()) + { + sURL = sLoadBackupURL; + info.DocumentState |= DocState::TryLoadBackup; + lDescriptor[utl::MediaDescriptor::PROP_SALVAGEDFILE()] <<= sLoadOriginalURL; + } + else if (!sLoadOriginalURL.isEmpty()) + { + sURL = sLoadOriginalURL; + info.DocumentState |= DocState::TryLoadOriginal; + } + else + continue; // TODO ERROR! + + LoadEnv::initializeUIDefaults( m_xContext, lDescriptor, true, nullptr ); + + // } /* SAFE */ + g.clear(); + + implts_flushConfigItem(info); + implts_informListener(eJob, + AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &info)); + + try + { + implts_openOneDoc(sURL, lDescriptor, info); + } + catch(const css::uno::Exception&) + { + info.DocumentState &= ~DocState::TryLoadBackup; + info.DocumentState &= ~DocState::TryLoadOriginal; + if (!sLoadBackupURL.isEmpty()) + { + info.DocumentState |= DocState::Incomplete; + eTimer = AutoRecovery::E_CALL_ME_BACK; + } + else + { + info.DocumentState |= DocState::Handled; + info.DocumentState |= DocState::Damaged; + } + + implts_flushConfigItem(info, true); + implts_informListener(eJob, + AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &info)); + + // /* SAFE */ { + // Needed for next loop! + g.reset(); + continue; + } + + if (!info.RealFilter.isEmpty()) + { + utl::MediaDescriptor lPatchDescriptor(info.Document->getArgs()); + lPatchDescriptor[utl::MediaDescriptor::PROP_FILTERNAME()] <<= info.RealFilter; + info.Document->attachResource(info.Document->getURL(), lPatchDescriptor.getAsConstPropertyValueList()); + // do *not* use sURL here. In case this points to the recovery file, it has already been passed + // to recoverFromFile. Also, passing it here is logically wrong, as attachResource is intended + // to take the logical file URL. + } + + css::uno::Reference< css::util::XModifiable > xModify(info.Document, css::uno::UNO_QUERY); + if ( xModify.is() ) + { + bool bModified = ((info.DocumentState & DocState::Modified) == DocState::Modified); + xModify->setModified(bModified); + } + + info.DocumentState &= ~DocState::TryLoadBackup; + info.DocumentState &= ~DocState::TryLoadOriginal; + info.DocumentState |= DocState::Handled; + info.DocumentState |= DocState::Succeeded; + + implts_flushConfigItem(info); + implts_informListener(eJob, + AutoRecovery::implst_createFeatureStateEvent(eJob, OPERATION_UPDATE, &info)); + + /* Normally we listen as XModifyListener on a document to know if a document was changed + since our last AutoSave. And we deregister us in case we know this state. + But directly after one document as recovered ... we must start listening. + Otherwise the first "modify" doesn't reach us. Because we ourself called setModified() + on the document via API. And currently we don't listen for any events (not at theGlobalEventBroadcaster + nor at any document!). + */ + implts_startModifyListeningOnDoc(info); + + // /* SAFE */ { + // Needed for next loop. Don't unlock it again! + g.reset(); + } + + } /* SAFE */ + + return eTimer; +} + +void AutoRecovery::implts_openOneDoc(const OUString& sURL , + utl::MediaDescriptor& lDescriptor, + AutoRecovery::TDocumentInfo& rInfo ) +{ + css::uno::Reference< css::frame::XDesktop2 > xDesktop = css::frame::Desktop::create(m_xContext); + + ::std::vector< Reference< XComponent > > aCleanup; + try + { + // create a new document of the desired type + Reference< XModel2 > xModel(m_xContext->getServiceManager()->createInstanceWithContext( + rInfo.FactoryService, m_xContext), UNO_QUERY_THROW); + aCleanup.emplace_back(xModel.get() ); + + // put the filter name into the descriptor - we're not going to involve any type detection, so + // the document might be lost without the FilterName property + if ( (rInfo.DocumentState & DocState::TryLoadOriginal) == DocState::TryLoadOriginal) + lDescriptor[ utl::MediaDescriptor::PROP_FILTERNAME() ] <<= rInfo.RealFilter; + else + lDescriptor[ utl::MediaDescriptor::PROP_FILTERNAME() ] <<= rInfo.DefaultFilter; + + if ( sURL == rInfo.FactoryURL ) + { + // if the document was a new, unmodified document, then there's nothing to recover, just to init + ENSURE_OR_THROW( ( rInfo.DocumentState & DocState::Modified ) == DocState(0), + "unexpected document state" ); + Reference< XLoadable > xModelLoad( xModel, UNO_QUERY_THROW ); + xModelLoad->initNew(); + + // TODO: remove load-process specific arguments from the descriptor, e.g. the status indicator + xModel->attachResource( sURL, lDescriptor.getAsConstPropertyValueList() ); + } + else + { + OUString sFilterName; + lDescriptor[utl::MediaDescriptor::PROP_FILTERNAME()] >>= sFilterName; + if (!sFilterName.isEmpty() + && ( sFilterName == "Calc MS Excel 2007 XML" + || sFilterName == "Impress MS PowerPoint 2007 XML" + || sFilterName == "MS Word 2007 XML")) + // TODO: Probably need to check other affected formats + templates? + { + // tdf#129096: in case of recovery of password protected OOXML document it is done not + // the same way as ordinal loading. Inside XDocumentRecovery::recoverFromFile + // there is a call to XFilter::filter which has constant media descriptor and thus + // all encryption data used in document is lost. To avoid this try to walkaround + // with explicit call to FormatDetector. It will try to load document, prompt for password + // and store this info in media descriptor we will use for recoverFromFile call. + Reference< css::document::XExtendedFilterDetection > xDetection( + m_xContext->getServiceManager()->createInstanceWithContext( + "com.sun.star.comp.oox.FormatDetector", m_xContext), + UNO_QUERY_THROW); + lDescriptor[utl::MediaDescriptor::PROP_URL()] <<= sURL; + Sequence< css::beans::PropertyValue > aDescriptorSeq = lDescriptor.getAsConstPropertyValueList(); + OUString sType = xDetection->detect(aDescriptorSeq); + + OUString sNewFilterName; + lDescriptor[utl::MediaDescriptor::PROP_FILTERNAME()] >>= sNewFilterName; + if (!sType.isEmpty() && sNewFilterName == sFilterName) + { + // Filter detection was okay, update media descriptor with one received from FilterDetect + lDescriptor = aDescriptorSeq; + } + } + + // let it recover itself + Reference< XDocumentRecovery > xDocRecover( xModel, UNO_QUERY_THROW ); + xDocRecover->recoverFromFile( + sURL, + lDescriptor.getUnpackedValueOrDefault( utl::MediaDescriptor::PROP_SALVAGEDFILE(), OUString() ), + lDescriptor.getAsConstPropertyValueList() + ); + + // No attachResource needed here. By definition (of XDocumentRecovery), the implementation is responsible + // for completely initializing the model, which includes attachResource (or equivalent), if required. + } + + // re-create all the views + ::std::vector< OUString > aViewsToRestore( rInfo.ViewNames.getLength() ); + if ( rInfo.ViewNames.hasElements() ) + ::std::copy( rInfo.ViewNames.begin(), rInfo.ViewNames.end(), aViewsToRestore.begin() ); + // if we don't have views for whatever reason, then create a default-view, at least + if ( aViewsToRestore.empty() ) + aViewsToRestore.emplace_back( ); + + for (auto const& viewToRestore : aViewsToRestore) + { + // create a frame + Reference< XFrame > xTargetFrame = xDesktop->findFrame( SPECIALTARGET_BLANK, 0 ); + aCleanup.emplace_back(xTargetFrame.get() ); + + // create a view to the document + Reference< XController2 > xController; + if ( viewToRestore.getLength() ) + { + xController.set( xModel->createViewController( viewToRestore, Sequence< css::beans::PropertyValue >(), xTargetFrame ), UNO_SET_THROW ); + } + else + { + xController.set( xModel->createDefaultViewController( xTargetFrame ), UNO_SET_THROW ); + } + + // introduce model/view/controller to each other + xController->attachModel( xModel.get() ); + xModel->connectController( xController.get() ); + xTargetFrame->setComponent( xController->getComponentWindow(), xController.get() ); + xController->attachFrame( xTargetFrame ); + xModel->setCurrentController( xController.get() ); + } + + rInfo.Document = xModel.get(); + } + catch(const css::uno::RuntimeException&) + { + throw; + } + catch(const css::uno::Exception&) + { + Any aCaughtException( ::cppu::getCaughtException() ); + + // clean up + for (auto const& component : aCleanup) + { + css::uno::Reference< css::util::XCloseable > xClose(component, css::uno::UNO_QUERY); + if ( xClose.is() ) + xClose->close( true ); + else + component->dispose(); + } + + // re-throw + throw css::lang::WrappedTargetException( + "Recovery of \"" + sURL + "\" failed.", + static_cast< css::frame::XDispatch* >(this), + aCaughtException + ); + } +} + +void AutoRecovery::implts_generateNewTempURL(const OUString& sBackupPath , + utl::MediaDescriptor& /*rMediaDescriptor*/, + AutoRecovery::TDocumentInfo& rInfo ) +{ + // specify URL for saving (which points to a temp file inside backup directory) + // and define a unique name, so we can locate it later. + // This unique name must solve an optimization problem too! + // In case we are asked to save unmodified documents too - and one of them + // is an empty one (because it was new created using e.g. a URL private:factory/...) + // we should not save it really. Then we put the information about such "empty document" + // into the configuration and don't create any recovery file on disk. + // We use the title of the document to make it unique. + OUStringBuffer sUniqueName; + if (!rInfo.OrgURL.isEmpty()) + { + css::uno::Reference< css::util::XURLTransformer > xParser(css::util::URLTransformer::create(m_xContext)); + css::util::URL aURL; + aURL.Complete = rInfo.OrgURL; + xParser->parseStrict(aURL); + sUniqueName.append(aURL.Name); + } + else if (!rInfo.FactoryURL.isEmpty()) + sUniqueName.append("untitled"); + sUniqueName.append("_"); + + // TODO: Must we strip some illegal signes - if we use the title? + + OUString sName(sUniqueName.makeStringAndClear()); + OUString sExtension(rInfo.Extension); + OUString sPath(sBackupPath); + ::utl::TempFile aTempFile(sName, true, &sExtension, &sPath, true); + + rInfo.NewTempURL = aTempFile.GetURL(); +} + +void AutoRecovery::implts_informListener( Job eJob , + const css::frame::FeatureStateEvent& aEvent) +{ + // Helper shares mutex with us -> threadsafe! + ::cppu::OInterfaceContainerHelper* pListenerForURL = nullptr; + OUString sJob = AutoRecovery::implst_getJobDescription(eJob); + + // inform listener, which are registered for any URLs(!) + pListenerForURL = m_lListener.getContainer(sJob); + if(pListenerForURL == nullptr) + return; + + ::cppu::OInterfaceIteratorHelper pIt(*pListenerForURL); + while(pIt.hasMoreElements()) + { + try + { + css::uno::Reference< css::frame::XStatusListener > xListener(static_cast<css::frame::XStatusListener*>(pIt.next()), css::uno::UNO_QUERY); + xListener->statusChanged(aEvent); + } + catch(const css::uno::RuntimeException&) + { + pIt.remove(); + } + } +} + +OUString AutoRecovery::implst_getJobDescription(Job eJob) +{ + // describe the current running operation + OUStringBuffer sFeature(256); + sFeature.append(CMD_PROTOCOL); + + // Attention: Because "eJob" is used as a flag field the order of checking these + // flags is important. We must prefer job with higher priorities! + // E.g. EmergencySave has an higher prio then AutoSave ... + // On the other side there exist a well defined order between two different jobs. + // e.g. PrepareEmergencySave must be done before EmergencySave is started of course. + + if ((eJob & Job::PrepareEmergencySave) == Job::PrepareEmergencySave) + sFeature.append(CMD_DO_PREPARE_EMERGENCY_SAVE); + else if ((eJob & Job::EmergencySave) == Job::EmergencySave) + sFeature.append(CMD_DO_EMERGENCY_SAVE); + else if ((eJob & Job::Recovery) == Job::Recovery) + sFeature.append(CMD_DO_RECOVERY); + else if ((eJob & Job::SessionSave) == Job::SessionSave) + sFeature.append(CMD_DO_SESSION_SAVE); + else if ((eJob & Job::SessionQuietQuit) == Job::SessionQuietQuit) + sFeature.append(CMD_DO_SESSION_QUIET_QUIT); + else if ((eJob & Job::SessionRestore) == Job::SessionRestore) + sFeature.append(CMD_DO_SESSION_RESTORE); + else if ((eJob & Job::EntryBackup) == Job::EntryBackup) + sFeature.append(CMD_DO_ENTRY_BACKUP); + else if ((eJob & Job::EntryCleanup) == Job::EntryCleanup) + sFeature.append(CMD_DO_ENTRY_CLEANUP); + else if ((eJob & Job::AutoSave) == Job::AutoSave) + sFeature.append(CMD_DO_AUTO_SAVE); + else if ( eJob != Job::NoJob ) + SAL_INFO("fwk.autorecovery", "AutoRecovery::implst_getJobDescription(): Invalid job identifier detected."); + + return sFeature.makeStringAndClear(); +} + +Job AutoRecovery::implst_classifyJob(const css::util::URL& aURL) +{ + if ( aURL.Protocol == CMD_PROTOCOL ) + { + if ( aURL.Path == CMD_DO_PREPARE_EMERGENCY_SAVE ) + return Job::PrepareEmergencySave; + else if ( aURL.Path == CMD_DO_EMERGENCY_SAVE ) + return Job::EmergencySave; + else if ( aURL.Path == CMD_DO_RECOVERY ) + return Job::Recovery; + else if ( aURL.Path == CMD_DO_ENTRY_BACKUP ) + return Job::EntryBackup; + else if ( aURL.Path == CMD_DO_ENTRY_CLEANUP ) + return Job::EntryCleanup; + else if ( aURL.Path == CMD_DO_SESSION_SAVE ) + return Job::SessionSave; + else if ( aURL.Path == CMD_DO_SESSION_QUIET_QUIT ) + return Job::SessionQuietQuit; + else if ( aURL.Path == CMD_DO_SESSION_RESTORE ) + return Job::SessionRestore; + else if ( aURL.Path == CMD_DO_DISABLE_RECOVERY ) + return Job::DisableAutorecovery; + else if ( aURL.Path == CMD_DO_SET_AUTOSAVE_STATE ) + return Job::SetAutosaveState; + } + + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_classifyJob(): Invalid URL (protocol)."); + return Job::NoJob; +} + +css::frame::FeatureStateEvent AutoRecovery::implst_createFeatureStateEvent( Job eJob , + const OUString& sEventType, + AutoRecovery::TDocumentInfo const * pInfo ) +{ + css::frame::FeatureStateEvent aEvent; + aEvent.FeatureURL.Complete = AutoRecovery::implst_getJobDescription(eJob); + aEvent.FeatureDescriptor = sEventType; + + if (pInfo && sEventType == OPERATION_UPDATE) + { + // pack rInfo for transport via UNO + ::comphelper::NamedValueCollection aInfo; + aInfo.put( OUString(CFG_ENTRY_PROP_ID), pInfo->ID ); + aInfo.put( OUString(CFG_ENTRY_PROP_ORIGINALURL), pInfo->OrgURL ); + aInfo.put( OUString(CFG_ENTRY_PROP_FACTORYURL), pInfo->FactoryURL ); + aInfo.put( OUString(CFG_ENTRY_PROP_TEMPLATEURL), pInfo->TemplateURL ); + aInfo.put( OUString(CFG_ENTRY_PROP_TEMPURL), pInfo->OldTempURL.isEmpty() ? pInfo->NewTempURL : pInfo->OldTempURL ); + aInfo.put( OUString(CFG_ENTRY_PROP_MODULE), pInfo->AppModule); + aInfo.put( OUString(CFG_ENTRY_PROP_TITLE), pInfo->Title); + aInfo.put( OUString(CFG_ENTRY_PROP_VIEWNAMES), pInfo->ViewNames); + aInfo.put( OUString(CFG_ENTRY_PROP_DOCUMENTSTATE), sal_Int32(pInfo->DocumentState)); + + aEvent.State <<= aInfo.getPropertyValues(); + } + + return aEvent; +} + +void AutoRecovery::implts_resetHandleStates() +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + /* SAFE */ { + osl::ResettableMutexGuard g(cppu::WeakComponentImplHelperBase::rBHelper.rMutex); + + for (auto & info : m_lDocCache) + { + info.DocumentState &= ~DocState::Handled; + info.DocumentState &= ~DocState::Postponed; + + // } /* SAFE */ + g.clear(); + implts_flushConfigItem(info); + g.reset(); + // /* SAFE */ { + } + } /* SAFE */ +} + +void AutoRecovery::implts_prepareEmergencySave() +{ + // Be sure to know all open documents really .-) + implts_verifyCacheAgainstDesktopDocumentList(); + + // hide all docs, so the user can't disturb our emergency save .-) + implts_changeAllDocVisibility(false); +} + +void AutoRecovery::implts_doEmergencySave(const DispatchParams& aParams) +{ + // Write a hint "we crashed" into the configuration, so + // the error report tool is started too in case no recovery + // documents exists and was saved. + + std::shared_ptr<comphelper::ConfigurationChanges> batch( + comphelper::ConfigurationChanges::create(m_xContext)); + officecfg::Office::Recovery::RecoveryInfo::Crashed::set(true, batch); + batch->commit(); + + // for all docs, store their current view/names in the configuration + implts_persistAllActiveViewNames(); + + // The called method for saving documents runs + // during normal AutoSave more than once. Because + // it postpone active documents and save it later. + // That is normally done by recalling it from a timer. + // Here we must do it immediately! + // Of course this method returns the right state - + // because it knows, that we are running in EMERGENCY SAVE mode .-) + + bool const bAllowUserIdleLoop = false; // not allowed to change that .-) + AutoRecovery::ETimerType eSuggestedTimer = AutoRecovery::E_DONT_START_TIMER; + do + { + eSuggestedTimer = implts_saveDocs(bAllowUserIdleLoop, true, &aParams); + } + while(eSuggestedTimer == AutoRecovery::E_CALL_ME_BACK); + + // reset the handle state of all + // cache items. Such handle state indicates, that a document + // was already saved during the THIS(!) EmergencySave session. + // Of course following recovery session must be started without + // any "handle" state ... + implts_resetHandleStates(); + + // flush config cached back to disc. + impl_flushALLConfigChanges(); + + // try to make sure next time office will be started user won't be + // notified about any other might be running office instance + // remove ".lock" file from disc ! + AutoRecovery::st_impl_removeLockFile(); +} + +void AutoRecovery::implts_doRecovery(const DispatchParams& aParams) +{ + AutoRecovery::ETimerType eSuggestedTimer = AutoRecovery::E_DONT_START_TIMER; + do + { + eSuggestedTimer = implts_openDocs(aParams); + } + while(eSuggestedTimer == AutoRecovery::E_CALL_ME_BACK); + + // reset the handle state of all + // cache items. Such handle state indicates, that a document + // was already saved during the THIS(!) Recovery session. + // Of course a may be following EmergencySave session must be started without + // any "handle" state... + implts_resetHandleStates(); + + // Reset the configuration hint "we were crashed"! + std::shared_ptr<comphelper::ConfigurationChanges> batch( + comphelper::ConfigurationChanges::create(m_xContext)); + officecfg::Office::Recovery::RecoveryInfo::Crashed::set(false, batch); + batch->commit(); +} + +void AutoRecovery::implts_doSessionSave(const DispatchParams& aParams) +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_doSessionSave()"); + + // Be sure to know all open documents really .-) + implts_verifyCacheAgainstDesktopDocumentList(); + + // for all docs, store their current view/names in the configuration + implts_persistAllActiveViewNames(); + + // The called method for saving documents runs + // during normal AutoSave more than once. Because + // it postpone active documents and save it later. + // That is normally done by recalling it from a timer. + // Here we must do it immediately! + // Of course this method returns the right state - + // because it knows, that we are running in SESSION SAVE mode .-) + + bool const bAllowUserIdleLoop = false; // not allowed to change that .-) + AutoRecovery::ETimerType eSuggestedTimer = AutoRecovery::E_DONT_START_TIMER; + do + { + // do not remove lock files of the documents, it will be done on session quit + eSuggestedTimer = implts_saveDocs(bAllowUserIdleLoop, false, &aParams); + } + while(eSuggestedTimer == AutoRecovery::E_CALL_ME_BACK); + + // reset the handle state of all + // cache items. Such handle state indicates, that a document + // was already saved during the THIS(!) save session. + // Of course following restore session must be started without + // any "handle" state ... + implts_resetHandleStates(); + + // flush config cached back to disc. + impl_flushALLConfigChanges(); +} + +void AutoRecovery::implts_doSessionQuietQuit() +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_doSessionQuietQuit()"); + + // try to make sure next time office will be started user won't be + // notified about any other might be running office instance + // remove ".lock" file from disc! + // it is done as a first action for session save since Gnome sessions + // do not provide enough time for shutdown, and the dialog looks to be + // confusing for the user + AutoRecovery::st_impl_removeLockFile(); + + // reset all modified documents, so the don't show any UI on closing ... + // and close all documents, so we can shutdown the OS! + implts_prepareSessionShutdown(); + + // Write a hint for "stored session data" into the configuration, so + // the on next startup we know what's happen last time + std::shared_ptr<comphelper::ConfigurationChanges> batch( + comphelper::ConfigurationChanges::create(m_xContext)); + officecfg::Office::Recovery::RecoveryInfo::SessionData::set(true, batch); + batch->commit(); + + // flush config cached back to disc. + impl_flushALLConfigChanges(); +} + +void AutoRecovery::implts_doSessionRestore(const DispatchParams& aParams) +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_doSessionRestore() ..."); + + AutoRecovery::ETimerType eSuggestedTimer = AutoRecovery::E_DONT_START_TIMER; + do + { + eSuggestedTimer = implts_openDocs(aParams); + } + while(eSuggestedTimer == AutoRecovery::E_CALL_ME_BACK); + + // reset the handle state of all + // cache items. Such handle state indicates, that a document + // was already saved during the THIS(!) Restore session. + // Of course a may be following save session must be started without + // any "handle" state ... + implts_resetHandleStates(); + + // make all opened documents visible + implts_changeAllDocVisibility(true); + + // Reset the configuration hint for "session save"! + SAL_INFO("fwk.autorecovery", "... reset config key 'SessionData'"); + std::shared_ptr<comphelper::ConfigurationChanges> batch( + comphelper::ConfigurationChanges::create(m_xContext)); + officecfg::Office::Recovery::RecoveryInfo::SessionData::set(false, batch); + batch->commit(); + + SAL_INFO("fwk.autorecovery", "... AutoRecovery::implts_doSessionRestore()"); +} + +void AutoRecovery::implts_backupWorkingEntry(const DispatchParams& aParams) +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_USE); + + for (auto const& info : m_lDocCache) + { + if (info.ID != aParams.m_nWorkingEntryID) + continue; + + OUString sSourceURL; + // Prefer temp file. It contains the changes against the original document! + if (!info.OldTempURL.isEmpty()) + sSourceURL = info.OldTempURL; + else if (!info.NewTempURL.isEmpty()) + sSourceURL = info.NewTempURL; + else if (!info.OrgURL.isEmpty()) + sSourceURL = info.OrgURL; + else + continue; // nothing real to save! An unmodified but new created document. + + INetURLObject aParser(sSourceURL); + // AutoRecovery::EFailureSafeResult eResult = + implts_copyFile(sSourceURL, aParams.m_sSavePath, aParser.getName()); + + // TODO: Check eResult and react for errors (InteractionHandler!?) + // Currently we ignore it ... + // DON'T UPDATE THE CACHE OR REMOVE ANY TEMP. FILES FROM DISK. + // That has to be forced from outside explicitly. + // See implts_cleanUpWorkingEntry() for further details. + } +} + +void AutoRecovery::implts_cleanUpWorkingEntry(const DispatchParams& aParams) +{ + CacheLockGuard aCacheLock(this, cppu::WeakComponentImplHelperBase::rBHelper.rMutex, m_nDocCacheLock, LOCK_FOR_CACHE_ADD_REMOVE); + + AutoRecovery::TDocumentList::iterator pIt = std::find_if(m_lDocCache.begin(), m_lDocCache.end(), + [&aParams](const AutoRecovery::TDocumentInfo& rInfo) { return rInfo.ID == aParams.m_nWorkingEntryID; }); + if (pIt != m_lDocCache.end()) + { + AutoRecovery::TDocumentInfo& rInfo = *pIt; + AutoRecovery::st_impl_removeFile(rInfo.OldTempURL); + AutoRecovery::st_impl_removeFile(rInfo.NewTempURL); + implts_flushConfigItem(rInfo, true); // sal_True => remove it from xml config! + + m_lDocCache.erase(pIt); + } +} + +AutoRecovery::EFailureSafeResult AutoRecovery::implts_copyFile(const OUString& sSource , + const OUString& sTargetPath, + const OUString& sTargetName) +{ + // create content for the parent folder and call transfer on that content with the source content + // and the destination file name as parameters + + css::uno::Reference< css::ucb::XCommandEnvironment > xEnvironment; + + ::ucbhelper::Content aSourceContent; + ::ucbhelper::Content aTargetContent; + + try + { + aTargetContent = ::ucbhelper::Content(sTargetPath, xEnvironment, m_xContext); + } + catch(const css::uno::Exception&) + { + return AutoRecovery::E_WRONG_TARGET_PATH; + } + + sal_Int32 nNameClash; + nNameClash = css::ucb::NameClash::RENAME; + + try + { + bool bSuccess = ::ucbhelper::Content::create(sSource, xEnvironment, m_xContext, aSourceContent); + if (!bSuccess) + return AutoRecovery::E_ORIGINAL_FILE_MISSING; + aTargetContent.transferContent(aSourceContent, ::ucbhelper::InsertOperation::Copy, sTargetName, nNameClash); + } + catch(const css::uno::Exception&) + { + return AutoRecovery::E_ORIGINAL_FILE_MISSING; + } + + return AutoRecovery::E_COPIED; +} + +sal_Bool SAL_CALL AutoRecovery::convertFastPropertyValue( css::uno::Any& /*aConvertedValue*/, + css::uno::Any& /*aOldValue*/ , + sal_Int32 /*nHandle*/ , + const css::uno::Any& /*aValue*/ ) +{ + // not needed currently + return false; +} + +void SAL_CALL AutoRecovery::setFastPropertyValue_NoBroadcast( sal_Int32 /*nHandle*/, + const css::uno::Any& /*aValue*/ ) +{ + // not needed currently +} + +void SAL_CALL AutoRecovery::getFastPropertyValue(css::uno::Any& aValue , + sal_Int32 nHandle) const +{ + switch(nHandle) + { + case AUTORECOVERY_PROPHANDLE_EXISTS_RECOVERYDATA : + { + bool bSessionData = officecfg::Office::Recovery::RecoveryInfo::SessionData::get(m_xContext); + bool bRecoveryData = !m_lDocCache.empty(); + + // exists session data ... => then we can't say, that these + // data are valid for recovery. So we have to return sal_False then! + if (bSessionData) + bRecoveryData = false; + + aValue <<= bRecoveryData; + } + break; + + case AUTORECOVERY_PROPHANDLE_CRASHED : + aValue <<= officecfg::Office::Recovery::RecoveryInfo::Crashed::get(m_xContext); + break; + + case AUTORECOVERY_PROPHANDLE_EXISTS_SESSIONDATA : + aValue <<= officecfg::Office::Recovery::RecoveryInfo::SessionData::get(m_xContext); + break; + } +} + +css::uno::Sequence< css::beans::Property > impl_getStaticPropertyDescriptor() +{ + return + { + css::beans::Property( AUTORECOVERY_PROPNAME_CRASHED , AUTORECOVERY_PROPHANDLE_CRASHED , cppu::UnoType<bool>::get() , css::beans::PropertyAttribute::TRANSIENT | css::beans::PropertyAttribute::READONLY ), + css::beans::Property( AUTORECOVERY_PROPNAME_EXISTS_RECOVERYDATA, AUTORECOVERY_PROPHANDLE_EXISTS_RECOVERYDATA, cppu::UnoType<bool>::get() , css::beans::PropertyAttribute::TRANSIENT | css::beans::PropertyAttribute::READONLY ), + css::beans::Property( AUTORECOVERY_PROPNAME_EXISTS_SESSIONDATA , AUTORECOVERY_PROPHANDLE_EXISTS_SESSIONDATA , cppu::UnoType<bool>::get() , css::beans::PropertyAttribute::TRANSIENT | css::beans::PropertyAttribute::READONLY ), + }; +} + +::cppu::IPropertyArrayHelper& SAL_CALL AutoRecovery::getInfoHelper() +{ + static ::cppu::OPropertyArrayHelper ourInfoHelper(impl_getStaticPropertyDescriptor(), true); + + return ourInfoHelper; +} + +css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL AutoRecovery::getPropertySetInfo() +{ + static css::uno::Reference< css::beans::XPropertySetInfo > xInfo( + ::cppu::OPropertySetHelper::createPropertySetInfo(getInfoHelper())); + + return xInfo; +} + +void AutoRecovery::implts_verifyCacheAgainstDesktopDocumentList() +{ + SAL_INFO("fwk.autorecovery", "AutoRecovery::implts_verifyCacheAgainstDesktopDocumentList() ..."); + try + { + css::uno::Reference< css::frame::XDesktop2 > xDesktop = css::frame::Desktop::create(m_xContext); + + css::uno::Reference< css::container::XIndexAccess > xContainer( + xDesktop->getFrames(), + css::uno::UNO_QUERY_THROW); + + sal_Int32 i = 0; + sal_Int32 c = xContainer->getCount(); + + for (i=0; i<c; ++i) + { + css::uno::Reference< css::frame::XFrame > xFrame; + try + { + xContainer->getByIndex(i) >>= xFrame; + if (!xFrame.is()) + continue; + } + // can happen in multithreaded environments, that frames was removed from the container during this loop runs! + // Ignore it. + catch(const css::lang::IndexOutOfBoundsException&) + { + continue; + } + + // We are interested on visible documents only. + // Note: It's n optional interface .-( + css::uno::Reference< css::awt::XWindow2 > xVisibleCheck( + xFrame->getContainerWindow(), + css::uno::UNO_QUERY); + if ( + (!xVisibleCheck.is() ) || + (!xVisibleCheck->isVisible()) + ) + { + continue; + } + + // extract the model from the frame. + // Ignore "view only" frames, which does not have a model. + css::uno::Reference< css::frame::XController > xController; + css::uno::Reference< css::frame::XModel > xModel; + + xController = xFrame->getController(); + if (xController.is()) + xModel = xController->getModel(); + if (!xModel.is()) + continue; + + // insert model into cache ... + // If the model is already well known inside cache + // it's information set will be updated by asking the + // model again for its new states. + implts_registerDocument(xModel); + } + } + catch(const css::uno::RuntimeException&) + { + throw; + } + catch(const css::uno::Exception&) + { + } + + SAL_INFO("fwk.autorecovery", "... AutoRecovery::implts_verifyCacheAgainstDesktopDocumentList()"); +} + +bool AutoRecovery::impl_enoughDiscSpace(sal_Int32 nRequiredSpace) +{ +#ifdef SIMULATE_FULL_DISC + return sal_False; +#else // SIMULATE_FULL_DISC + // In case an error occurs and we are not able to retrieve the needed information + // it's better to "disable" the feature ShowErrorOnFullDisc ! + // Otherwise we start a confusing process of error handling ... + + sal_uInt64 nFreeSpace = SAL_MAX_UINT64; + + OUString sBackupPath(SvtPathOptions().GetBackupPath()); + ::osl::VolumeInfo aInfo (osl_VolumeInfo_Mask_FreeSpace); + ::osl::FileBase::RC aRC = ::osl::Directory::getVolumeInfo(sBackupPath, aInfo); + + if ( + (aInfo.isValid(osl_VolumeInfo_Mask_FreeSpace)) && + (aRC == ::osl::FileBase::E_None ) + ) + { + nFreeSpace = aInfo.getFreeSpace(); + } + + sal_uInt64 nFreeMB = nFreeSpace/1048576; + return (nFreeMB >= o3tl::make_unsigned(nRequiredSpace)); +#endif // SIMULATE_FULL_DISC +} + +void AutoRecovery::impl_showFullDiscError() +{ + OUString sBtn(FwkResId(STR_FULL_DISC_RETRY_BUTTON)); + OUString sMsg(FwkResId(STR_FULL_DISC_MSG)); + + OUString sBackupURL(SvtPathOptions().GetBackupPath()); + INetURLObject aConverter(sBackupURL); + sal_Unicode aDelimiter; + OUString sBackupPath = aConverter.getFSysPath(FSysStyle::Detect, &aDelimiter); + if (sBackupPath.getLength() < 1) + sBackupPath = sBackupURL; + + std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(nullptr, + VclMessageType::Error, VclButtonsType::NONE, + sMsg.replaceAll("%PATH", sBackupPath))); + xBox->add_button(sBtn, RET_OK); + xBox->run(); +} + +void AutoRecovery::impl_establishProgress(const AutoRecovery::TDocumentInfo& rInfo , + utl::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame) +{ + // external well known frame must be preferred (because it was created by ourself + // for loading documents into this frame)! + // But if no frame exists... we can try to locate it using any frame bound to the provided + // document. Of course we must live without any frame in case the document does not exists at this + // point. But this state should not occur. In such case xNewFrame should be valid ... hopefully .-) + css::uno::Reference< css::frame::XFrame > xFrame = xNewFrame; + if ( + (!xFrame.is() ) && + (rInfo.Document.is()) + ) + { + css::uno::Reference< css::frame::XController > xController = rInfo.Document->getCurrentController(); + if (xController.is()) + xFrame = xController->getFrame(); + } + + // Any outside progress must be used ... + // Only if there is no progress, we can create our own one. + css::uno::Reference< css::task::XStatusIndicator > xInternalProgress; + css::uno::Reference< css::task::XStatusIndicator > xExternalProgress = rArgs.getUnpackedValueOrDefault( + utl::MediaDescriptor::PROP_STATUSINDICATOR(), + css::uno::Reference< css::task::XStatusIndicator >() ); + + // Normally a progress is set from outside (e.g. by the CrashSave/Recovery dialog, which uses our dispatch API). + // But for a normal auto save we don't have such "external progress"... because this function is triggered by our own timer then. + // In such case we must create our own progress ! + if ( + (! xExternalProgress.is()) && + (xFrame.is() ) + ) + { + css::uno::Reference< css::task::XStatusIndicatorFactory > xProgressFactory(xFrame, css::uno::UNO_QUERY); + if (xProgressFactory.is()) + xInternalProgress = xProgressFactory->createStatusIndicator(); + } + + // HACK + // An external provided progress (most given by the CrashSave/Recovery dialog) + // must be preferred. But we know that some application filters query its own progress instance + // at the frame method Frame::createStatusIndicator(). + // So we use a two step mechanism: + // 1) we set the progress inside the MediaDescriptor, which will be provided to the filter + // 2) and we set a special Frame property, which overwrites the normal behaviour of Frame::createStatusIndicator .-) + // But we suppress 2) in case we uses an internal progress. Because then it doesn't matter + // if our applications make it wrong. In such case the internal progress resists at the same frame + // and there is no need to forward progress activities to e.g. an outside dialog .-) + if ( + (xExternalProgress.is()) && + (xFrame.is() ) + ) + { + css::uno::Reference< css::beans::XPropertySet > xFrameProps(xFrame, css::uno::UNO_QUERY); + if (xFrameProps.is()) + xFrameProps->setPropertyValue(FRAME_PROPNAME_ASCII_INDICATORINTERCEPTION, css::uno::makeAny(xExternalProgress)); + } + + // But inside the MediaDescriptor we must set our own create progress ... + // in case there is not already another progress set. + rArgs.createItemIfMissing(utl::MediaDescriptor::PROP_STATUSINDICATOR(), xInternalProgress); +} + +void AutoRecovery::impl_forgetProgress(const AutoRecovery::TDocumentInfo& rInfo , + utl::MediaDescriptor& rArgs , + const css::uno::Reference< css::frame::XFrame >& xNewFrame) +{ + // external well known frame must be preferred (because it was created by ourself + // for loading documents into this frame)! + // But if no frame exists... we can try to locate it using any frame bound to the provided + // document. Of course we must live without any frame in case the document does not exists at this + // point. But this state should not occur. In such case xNewFrame should be valid ... hopefully .-) + css::uno::Reference< css::frame::XFrame > xFrame = xNewFrame; + if ( + (!xFrame.is() ) && + (rInfo.Document.is()) + ) + { + css::uno::Reference< css::frame::XController > xController = rInfo.Document->getCurrentController(); + if (xController.is()) + xFrame = xController->getFrame(); + } + + // stop progress interception on corresponding frame. + css::uno::Reference< css::beans::XPropertySet > xFrameProps(xFrame, css::uno::UNO_QUERY); + if (xFrameProps.is()) + xFrameProps->setPropertyValue(FRAME_PROPNAME_ASCII_INDICATORINTERCEPTION, css::uno::makeAny(css::uno::Reference< css::task::XStatusIndicator >())); + + // forget progress inside list of arguments. + utl::MediaDescriptor::iterator pArg = rArgs.find(utl::MediaDescriptor::PROP_STATUSINDICATOR()); + if (pArg != rArgs.end()) + { + rArgs.erase(pArg); + pArg = rArgs.end(); + } +} + +void AutoRecovery::impl_flushALLConfigChanges() +{ + try + { + // SOLAR SAFE -> + SolarMutexGuard aGuard; + ::utl::ConfigManager::storeConfigItems(); + } + catch(const css::uno::Exception&) + { + } +} + +void AutoRecovery::st_impl_removeFile(const OUString& sURL) +{ + if ( sURL.isEmpty()) + return; + + try + { + ::ucbhelper::Content aContent(sURL, css::uno::Reference< css::ucb::XCommandEnvironment >(), m_xContext); + aContent.executeCommand("delete", css::uno::makeAny(true)); + } + catch(const css::uno::Exception&) + { + } +} + +void AutoRecovery::st_impl_removeLockFile() +{ + try + { + OUString sUserURL; + ::utl::Bootstrap::locateUserInstallation( sUserURL ); + + OUString sLockURL = sUserURL + "/.lock"; + AutoRecovery::st_impl_removeFile(sLockURL); + } + catch(const css::uno::Exception&) + { + } +} + +struct Instance { + explicit Instance( + css::uno::Reference<css::uno::XComponentContext> const & context): + instance( + static_cast<cppu::OWeakObject *>(new AutoRecovery(context))) + { + // 2nd phase initialization needed + static_cast<AutoRecovery*>(static_cast<cppu::OWeakObject *> + (instance.get()))->initListeners(); + } + + css::uno::Reference<css::uno::XInterface> instance; +}; + +struct Singleton: + public rtl::StaticWithArg< + Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton> +{}; + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_framework_AutoRecovery_get_implementation( + css::uno::XComponentContext *context, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(static_cast<cppu::OWeakObject *>( + Singleton::get(context).instance.get())); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |