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| -rw-r--r-- | ucb/source/ucp/file/filtask.hxx | 657 |
1 files changed, 657 insertions, 0 deletions
diff --git a/ucb/source/ucp/file/filtask.hxx b/ucb/source/ucp/file/filtask.hxx new file mode 100644 index 000000000..78e7e8c82 --- /dev/null +++ b/ucb/source/ucp/file/filtask.hxx @@ -0,0 +1,657 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_UCB_SOURCE_UCP_FILE_FILTASK_HXX +#define INCLUDED_UCB_SOURCE_UCP_FILE_FILTASK_HXX + +#include <osl/file.hxx> +#include <rtl/ustring.hxx> + +#include <osl/mutex.hxx> +#include <com/sun/star/uno/Sequence.hxx> +#include <com/sun/star/beans/PropertyChangeEvent.hpp> +#include <com/sun/star/ucb/XCommandInfo.hpp> +#include <com/sun/star/beans/Property.hpp> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/io/XStream.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/beans/XPropertySetInfo.hpp> +#include <com/sun/star/ucb/NumberedSortingInfo.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/ucb/XDynamicResultSet.hpp> +#include <com/sun/star/beans/XPropertyContainer.hpp> +#include <com/sun/star/beans/XPropertyAccess.hpp> +#include <com/sun/star/ucb/ContentInfo.hpp> +#include <com/sun/star/ucb/XCommandEnvironment.hpp> +#include <com/sun/star/ucb/XPersistentPropertySet.hpp> +#include <com/sun/star/ucb/XPropertySetRegistry.hpp> +#include <com/sun/star/task/XInteractionHandler.hpp> +#include <com/sun/star/task/XInteractionRequest.hpp> +#include "filerror.hxx" +#include "filnot.hxx" +#include <unordered_map> +#include <unordered_set> +#include <vector> + +namespace fileaccess +{ + class BaseContent; + class FileProvider; + class XPropertySetInfo_impl; + class XCommandInfo_impl; + class XResultSet_impl; + + /* + * The relevant methods in this class all have as first argument the CommandId, + * so if necessary, every method has access to its relevant XInteractionHandler and + * XProgressHandler. + */ + + + class TaskManager + { + friend class XPropertySetInfo_impl; + friend class XResultSet_impl; + friend class XCommandInfo_impl; + + private: + + class TaskHandling + { + private: + + bool m_bHandled; + sal_Int32 m_nErrorCode,m_nMinorCode; + css::uno::Reference< css::task::XInteractionHandler > m_xInteractionHandler; + css::uno::Reference< css::ucb::XCommandEnvironment > m_xCommandEnvironment; + + + public: + + explicit TaskHandling( + const css::uno::Reference< css::ucb::XCommandEnvironment >& xCommandEnv ) + : m_bHandled( false ), + m_nErrorCode( TASKHANDLER_NO_ERROR ), + m_nMinorCode( TASKHANDLER_NO_ERROR ), + m_xCommandEnvironment( xCommandEnv ) + { + } + + void setHandled() + { + m_bHandled = true; + } + + bool isHandled() const + { + return m_bHandled; + } + + void clearError() + { + m_nErrorCode = TASKHANDLER_NO_ERROR; + m_nMinorCode = TASKHANDLER_NO_ERROR; + } + + void installError( sal_Int32 nErrorCode, + sal_Int32 nMinorCode ) + { + m_nErrorCode = nErrorCode; + m_nMinorCode = nMinorCode; + } + + sal_Int32 getInstalledError() const + { + return m_nErrorCode; + } + + sal_Int32 getMinorErrorCode() const + { + return m_nMinorCode; + } + + css::uno::Reference< css::task::XInteractionHandler > const & + getInteractionHandler() + { + if( ! m_xInteractionHandler.is() && m_xCommandEnvironment.is() ) + m_xInteractionHandler = m_xCommandEnvironment->getInteractionHandler(); + + return m_xInteractionHandler; + } + + const css::uno::Reference< css::ucb::XCommandEnvironment >& + getCommandEnvironment() const + { + return m_xCommandEnvironment; + } + + }; // end class TaskHandling + + + typedef std::unordered_map< sal_Int32,TaskHandling > TaskMap; + private: + + osl::Mutex m_aMutex; + sal_Int32 m_nCommandId; + TaskMap m_aTaskMap; + + + public: + class MyProperty + { + private: + OUString PropertyName; + sal_Int32 Handle; + bool isNative; + css::uno::Type Typ; // Duplicates information in Value + css::uno::Any Value; + css::beans::PropertyState State; + sal_Int16 Attributes; + public: + explicit MyProperty( const OUString& thePropertyName ); + MyProperty( bool theIsNative, + const OUString& thePropertyName, + sal_Int32 theHandle, + const css::uno::Type& theTyp, + const css::uno::Any& theValue, + const css::beans::PropertyState& theState, + sal_Int16 theAttributes ); + + inline const bool& IsNative() const; + const OUString& getPropertyName() const { return PropertyName; } + inline const sal_Int32& getHandle() const; + inline const css::uno::Type& getType() const; + inline const css::uno::Any& getValue() const; + inline const css::beans::PropertyState& getState() const; + inline const sal_Int16& getAttributes() const; + + // The set* functions are declared const, because the key of "this" stays intact + inline void setValue( const css::uno::Any& theValue ) const; + inline void setState( const css::beans::PropertyState& theState ) const; + }; + + struct eMyProperty + { + bool operator()( const MyProperty& rKey1, const MyProperty& rKey2 ) const + { + return rKey1.getPropertyName() == rKey2.getPropertyName(); + } + }; + + struct hMyProperty + { + size_t operator()( const MyProperty& rName ) const + { + return rName.getPropertyName().hashCode(); + } + }; + + typedef std::unordered_set< MyProperty,hMyProperty,eMyProperty > PropertySet; + typedef std::vector< Notifier* > NotifierList; + + + class UnqPathData + { + public: + UnqPathData(); + UnqPathData(UnqPathData&&); + ~UnqPathData(); + + PropertySet properties; + NotifierList notifier; + + // Three views on the PersistentPropertySet + css::uno::Reference< css::ucb::XPersistentPropertySet > xS; + css::uno::Reference< css::beans::XPropertyContainer > xC; + css::uno::Reference< css::beans::XPropertyAccess > xA; + }; + + typedef std::unordered_map< OUString,UnqPathData > ContentMap; + + TaskManager( const css::uno::Reference< css::uno::XComponentContext >& rxContext, + FileProvider* pProvider, bool bWithConfig ); + ~TaskManager(); + + /// @throws css::ucb::DuplicateCommandIdentifierException + void startTask( + sal_Int32 CommandId, + const css::uno::Reference< css::ucb::XCommandEnvironment >& xCommandEnv ); + + sal_Int32 getCommandId(); + + + /** + * The error code may be one of the error codes defined in + * filerror.hxx. + * The minor code refines the information given in ErrorCode. + */ + + void installError( sal_Int32 CommandId, + sal_Int32 ErrorCode, + sal_Int32 minorCode = TASKHANDLER_NO_ERROR ); + + void retrieveError( sal_Int32 CommandId, + sal_Int32 &ErrorCode, + sal_Int32 &minorCode); + + /** + * Deinstalls the task and evaluates a possibly set error code. + * "endTask" throws in case an error code is set the corresponding exception. + */ + + void endTask( sal_Int32 CommandId, + // the physical URL of the object + const OUString& aUnqPath, + BaseContent* pContent); + + + /** + * Handles an interactionrequest + */ + + void handleTask( sal_Int32 CommandId, + const css::uno::Reference< css::task::XInteractionRequest >& request ); + + /** + * Clears any error which are set on the commandid + */ + + void clearError( sal_Int32 ); + + /** + * This two methods register and deregister a change listener for the content belonging + * to URL aUnqPath + */ + + void registerNotifier( const OUString& aUnqPath,Notifier* pNotifier ); + + void deregisterNotifier( const OUString& aUnqPath,Notifier* pNotifier ); + + + /** + * Used to associate and deassociate a new property with + * the content belonging to URL UnqPath. + * The default value and the attributes are input + * + * @throws css::beans::PropertyExistException + * @throws css::beans::IllegalTypeException + * @throws css::uno::RuntimeException + */ + + void associate( const OUString& UnqPath, + const OUString& PropertyName, + const css::uno::Any& DefaultValue, + const sal_Int16 Attributes ); + + /// @throws css::beans::UnknownPropertyException + /// @throws css::beans::NotRemoveableException + /// @throws css::uno::RuntimeException + void deassociate( const OUString& UnqPath, + const OUString& PropertyName ); + + + // Every method having a command id is not allowed to throw anything, + // but instead must install every error code in the task handler + + + /** + * Given an xOutputStream, this method writes the content of the file belonging to + * URL aUnqPath into the XOutputStream + */ + + void page( sal_Int32 CommandId, + const OUString& aUnqPath, + const css::uno::Reference< css::io::XOutputStream >& xOutputStream ); + + + /** + * Given a file URL aUnqPath, this methods returns a XInputStream which reads from the open file. + */ + + css::uno::Reference< css::io::XInputStream > + open( sal_Int32 CommandId, + const OUString& aUnqPath, + bool bLock ); + + + /** + * Given a file URL aUnqPath, this methods returns a XStream which can be used + * to read and write from/to the file. + */ + + css::uno::Reference< css::io::XStream > + open_rw( sal_Int32 CommandId, + const OUString& aUnqPath, + bool bLock ); + + + /** + * This method returns the result set containing the children of the directory belonging + * to file URL aUnqPath + */ + + css::uno::Reference< css::ucb::XDynamicResultSet > + ls( sal_Int32 CommandId, + const OUString& aUnqPath, + const sal_Int32 OpenMode, + const css::uno::Sequence< css::beans::Property >& sProperty, + const css::uno::Sequence< css::ucb::NumberedSortingInfo > & sSortingInfo ); + + + /** + * Info methods + */ + + // Info for commands + css::uno::Reference< css::ucb::XCommandInfo > + info_c(); + + // Info for the properties + css::uno::Reference< css::beans::XPropertySetInfo > + info_p( const OUString& aUnqPath ); + + + /** + * Sets the values of the properties belonging to fileURL aUnqPath + */ + + css::uno::Sequence< css::uno::Any > + setv( const OUString& aUnqPath, + const css::uno::Sequence< css::beans::PropertyValue >& values ); + + + /** + * Reads the values of the properties belonging to fileURL aUnqPath; + * Returns an XRow object containing the values in the requested order. + */ + + css::uno::Reference< css::sdbc::XRow > + getv( sal_Int32 CommandId, + const OUString& aUnqPath, + const css::uno::Sequence< css::beans::Property >& properties ); + + + /********************************************************************************/ + /* transfer-commands */ + /********************************************************************************/ + + /** + * Moves the content belonging to fileURL srcUnqPath to fileURL dstUnqPath( files and directories ) + */ + + void + move( sal_Int32 CommandId, + const OUString& srcUnqPath, // Full file(folder)-path + const OUString& dstUnqPath, // Path to the destination-directory + const sal_Int32 NameClash ); + + /** + * Copies the content belonging to fileURL srcUnqPath to fileURL dstUnqPath ( files and directories ) + */ + + void + copy( sal_Int32 CommandId, // See "move" + const OUString& srcUnqPath, + const OUString& dstUnqPath, + sal_Int32 NameClash ); + + enum class FileUrlType { Folder = 1, File = -1, Unknown = 0 }; + + /** + * Deletes the content belonging to fileURL aUnqPath( recursively in case of directory ) + */ + + bool + remove( sal_Int32 CommandId, + const OUString& aUnqPath, + FileUrlType eTypeToMove = FileUrlType::Unknown, + bool MustExist = true ); + + + /********************************************************************************/ + /* write and create - commandos */ + /********************************************************************************/ + + /** + * Creates new directory with given URL, recursively if necessary + * Return:: success of operation + */ + + bool + mkdir( sal_Int32 CommandId, + const OUString& aDirectoryName, + bool OverWrite ); + + + /** + * Creates new file with given URL. + * The content of aInputStream becomes the content of the file + * Return:: success of operation + */ + + bool + mkfil( sal_Int32 CommandId, + const OUString& aFileName, + bool OverWrite, + const css::uno::Reference< css::io::XInputStream >& aInputStream ); + + + /** + * writes to the file with given URL. + * The content of aInputStream becomes the content of the file + * Return:: success of operation + */ + bool + write( sal_Int32 CommandId, + const OUString& aUnqPath, + bool OverWrite, + const css::uno::Reference< css::io::XInputStream >& aInputStream ); + + + void insertDefaultProperties( const OUString& aUnqPath ); + + static css::uno::Sequence< css::ucb::ContentInfo > + queryCreatableContentsInfo(); + + + /******************************************************************************/ + /* */ + /* mapping of file urls */ + /* to uncpath and vice versa */ + /* */ + /******************************************************************************/ + + static bool getUnqFromUrl( const OUString& Url, OUString& Unq ); + + static bool getUrlFromUnq( const OUString& Unq, OUString& Url ); + + + FileProvider* m_pProvider; + css::uno::Reference< css::uno::XComponentContext > m_xContext; + css::uno::Reference< css::ucb::XPropertySetRegistry > m_xFileRegistry; + + private: + + /********************************************************************************/ + /* get eventListeners */ + /********************************************************************************/ + + std::vector< std::unique_ptr< ContentEventNotifier > > + getContentEventListeners( const OUString& aName ); + + std::vector< std::unique_ptr< ContentEventNotifier > > + getContentDeletedEventListeners( const OUString& aName ); + + std::vector< std::unique_ptr < ContentEventNotifier > > + getContentExchangedEventListeners( const OUString& aOldPrefix, + const OUString& aNewPrefix, + bool withChildren ); + + std::vector< std::unique_ptr< PropertyChangeNotifier > > + getPropertyChangeNotifier( const OUString& aName ); + + std::vector< std::unique_ptr< PropertySetInfoChangeNotifier > > + getPropertySetListeners( const OUString& aName ); + + + /********************************************************************************/ + /* notify eventListeners */ + /********************************************************************************/ + + static void notifyPropertyChanges( + const std::vector<std::unique_ptr<PropertyChangeNotifier>>& listeners, + const css::uno::Sequence<css::beans::PropertyChangeEvent>& seqChanged); + + static void notifyContentExchanged( + const std::vector<std::unique_ptr<ContentEventNotifier>>& listeners_vec); + + static void + notifyInsert(const std::vector<std::unique_ptr<ContentEventNotifier>>& listeners, + const OUString& aChildName); + + static void + notifyContentDeleted(const std::vector<std::unique_ptr<ContentEventNotifier>>& listeners); + + static void + notifyContentRemoved(const std::vector<std::unique_ptr<ContentEventNotifier>>& listeners, + const OUString& aChildName); + + static void notifyPropertyAdded( + const std::vector<std::unique_ptr<PropertySetInfoChangeNotifier>>& listeners, + const OUString& aPropertyName); + + static void notifyPropertyRemoved( + const std::vector<std::unique_ptr<PropertySetInfoChangeNotifier>>& listeners, + const OUString& aPropertyName); + + /********************************************************************************/ + /* remove persistent propertyset */ + /********************************************************************************/ + + void erasePersistentSetWithoutChildren( const OUString& aUnqPath ); + void erasePersistentSet( const OUString& aUnqPath, + bool withChildren = false ); + + /********************************************************************************/ + /* copy persistent propertyset */ + /* from srcUnqPath to dstUnqPath */ + /********************************************************************************/ + + void copyPersistentSetWithoutChildren( const OUString& srcUnqPath, + const OUString& dstUnqPath ); + void copyPersistentSet( const OUString& srcUnqPath, + const OUString& dstUnqPath, + bool withChildren ); + + + // Special optimized method for getting the properties of a directoryitem, which + // is returned by osl::DirectoryItem::getNextItem() + + bool + getv( const css::uno::Sequence< css::beans::Property >& properties, + osl::DirectoryItem& DirItem, + OUString& aUnqPath, + bool& bIsRegular, + css::uno::Reference< css::sdbc::XRow > & row ); + + + /** + * Load the properties from configuration, if create == true create them. + * The Properties are stored under the url belonging to it->first. + */ + + void load( const TaskManager::ContentMap::iterator& it, + bool create ); + + /** + * Commit inserts the determined properties in the filestatus object into + * the internal map, so that is possible to determine on a subsequent + * setting of file properties which properties have changed without filestat + */ + + void + commit( + const TaskManager::ContentMap::iterator& it, + const osl::FileStatus& aFileStatus ); + + /** + * Given a Sequence of properties seq, this method determines the mask + * used to instantiate an osl::FileStatus, so that a call to + * osl::DirectoryItem::getFileStatus fills the required fields. + */ + + static void + getMaskFromProperties( + sal_Int32& n_Mask, + const css::uno::Sequence< css::beans::Property >& seq ); + + + // Helper function for public copy + + osl::FileBase::RC + copy_recursive( + const OUString& srcUnqPath, + const OUString& dstUnqPath, + FileUrlType TypeToCopy, + bool testExistence ); + + + // Helper function for mkfil,mkdir and write + // Creates whole path + // returns success of the operation + // The call determines the errorCode, which should be used to install + // any error + + bool + ensuredir( sal_Int32 CommandId, + const OUString& aDirectoryName, + sal_Int32 errorCode ); + + // General + ContentMap m_aContent; + + + public: + + static const OUStringLiteral FolderContentType; + static const OUStringLiteral FileContentType; + + + private: + + PropertySet m_aDefaultProperties; + css::uno::Sequence< css::ucb::CommandInfo > m_sCommandInfo; + + public: + // Miscellaneous: + // Methods for "writeComponentInfo" and "createComponentFactory" + + static void getScheme( OUString& Scheme ); + + static OUString getImplementationName_static(); + + static css::uno::Sequence< OUString > getSupportedServiceNames_static(); + }; + +} // end namespace TaskHandling + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |