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| -rw-r--r-- | embeddedobj/source/inc/oleembobj.hxx | 456 |
1 files changed, 456 insertions, 0 deletions
diff --git a/embeddedobj/source/inc/oleembobj.hxx b/embeddedobj/source/inc/oleembobj.hxx new file mode 100644 index 000000000..e456f2fc3 --- /dev/null +++ b/embeddedobj/source/inc/oleembobj.hxx @@ -0,0 +1,456 @@ +/* -*- 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 . + */ + +#pragma once + +#include <com/sun/star/uno/Sequence.hxx> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/embed/XEmbeddedObject.hpp> +#include <com/sun/star/embed/XEmbeddedOleObject.hpp> +#include <com/sun/star/embed/XInplaceObject.hpp> +#include <com/sun/star/embed/XEmbedPersist.hpp> +#include <com/sun/star/embed/XLinkageSupport.hpp> +#include <com/sun/star/embed/VerbDescriptor.hpp> +#include <com/sun/star/container/XChild.hpp> +#include <com/sun/star/util/XCloseable.hpp> +#include <com/sun/star/util/XCloseListener.hpp> +#include <com/sun/star/io/XActiveDataStreamer.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <cppuhelper/implbase.hxx> +#include <rtl/ref.hxx> + +#include <osl/thread.h> +#include <memory> + +namespace comphelper { + class OMultiTypeInterfaceContainerHelper2; +} + +class VerbExecutionController +{ + // the following mutex is allowed to be locked only for variables initialization, so no deadlock can be caused + ::osl::Mutex m_aVerbExecutionMutex; + + sal_Int32 m_nNotificationLock; + +#ifdef _WIN32 + bool m_bWasEverActive; + bool m_bVerbExecutionInProgress; + oslThreadIdentifier m_nVerbExecutionThreadIdentifier; + bool m_bChangedOnVerbExecution; +#endif + +public: + + VerbExecutionController() + : m_nNotificationLock( 0 ) +#ifdef _WIN32 + , m_bWasEverActive( false ) + , m_bVerbExecutionInProgress( false ) + , m_nVerbExecutionThreadIdentifier( 0 ) + , m_bChangedOnVerbExecution( false ) +#endif + {} + +#ifdef _WIN32 + void StartControlExecution(); + bool EndControlExecution_WasModified(); + void ModificationNotificationIsDone(); + // no need to lock anything to check the value of the numeric members + bool CanDoNotification() { return ( !m_bVerbExecutionInProgress && !m_bWasEverActive && !m_nNotificationLock ); } + // ... or to change it + void ObjectIsActive() { m_bWasEverActive = true; } +#endif + void LockNotification(); + void UnlockNotification(); +}; + +class VerbExecutionControllerGuard +{ + VerbExecutionController& m_rController; +public: + + VerbExecutionControllerGuard( VerbExecutionController& rController ) + : m_rController( rController ) + { + m_rController.LockNotification(); + } + + ~VerbExecutionControllerGuard() + { + m_rController.UnlockNotification(); + } +}; + + +class OleComponent; +class OwnView_Impl; +/** + * Represents an OLE object that has native data and we try to let an external + * application handle that data. + */ +class OleEmbeddedObject : public ::cppu::WeakImplHelper + < css::embed::XEmbeddedObject + , css::embed::XEmbeddedOleObject + , css::embed::XEmbedPersist + , css::embed::XLinkageSupport + , css::embed::XInplaceObject + , css::container::XChild + , css::io::XActiveDataStreamer + , css::lang::XInitialization + , css::lang::XServiceInfo > +{ + friend class OleComponent; + + ::osl::Mutex m_aMutex; + + rtl::Reference<OleComponent> m_pOleComponent; + + std::unique_ptr<::comphelper::OMultiTypeInterfaceContainerHelper2> m_pInterfaceContainer; + + bool m_bReadOnly; + + bool m_bDisposed; + sal_Int32 m_nObjectState; + sal_Int32 m_nTargetState; + sal_Int32 m_nUpdateMode; + + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + css::uno::Sequence< sal_Int8 > m_aClassID; + OUString m_aClassName; + + css::uno::Reference< css::embed::XEmbeddedClient > m_xClientSite; + + OUString m_aContainerName; + + css::uno::Reference< css::util::XCloseListener > m_xClosePreventer; + + bool m_bWaitSaveCompleted; + bool m_bNewVisReplInStream; + css::uno::Reference< css::io::XStream > m_xNewCachedVisRepl; + OUString m_aNewEntryName; + css::uno::Reference< css::embed::XStorage > m_xNewParentStorage; + css::uno::Reference< css::io::XStream > m_xNewObjectStream; + bool m_bStoreLoaded; + + css::uno::Reference< css::io::XStream > m_xCachedVisualRepresentation; + bool m_bVisReplInitialized; + bool m_bVisReplInStream; + bool m_bStoreVisRepl; + + bool m_bIsLink; + + // TODO/LATER: may need to cache more than one aspect in future + bool m_bHasCachedSize; // the object has cached size + css::awt::Size m_aCachedSize; + sal_Int64 m_nCachedAspect; + + bool m_bHasSizeToSet; // the object has cached size that should be set to OLE component + css::awt::Size m_aSizeToSet; // this size might be different from the cached one ( scaling is applied ) + sal_Int64 m_nAspectToSet; + + + // cache the status of the object + // TODO/LATER: may need to cache more than one aspect in future + bool m_bGotStatus; + sal_Int64 m_nStatus; + sal_Int64 m_nStatusAspect; + + // embedded object related stuff + OUString m_aEntryName; + css::uno::Reference< css::embed::XStorage > m_xParentStorage; + css::uno::Reference< css::io::XStream > m_xObjectStream; + + // link related stuff + OUString m_aLinkURL; // ??? + + // points to own view provider if the object has no server + rtl::Reference<OwnView_Impl> m_xOwnView; + + // whether the object should be initialized from clipboard in case of default initialization + bool m_bFromClipboard; + + OUString m_aTempURL; + + OUString m_aTempDumpURL; + + // STAMPIT solution + // the following member is used during verb execution to detect whether the verb execution modifies the object + VerbExecutionController m_aVerbExecutionController; + + // if the following member is set, the object works in wrapper mode + css::uno::Reference< css::embed::XEmbeddedObject > m_xWrappedObject; + bool m_bTriedConversion; + OUString m_aFilterName; // if m_bTriedConversion, then the filter detected by that + + css::uno::Reference< css::uno::XInterface > m_xParent; + + /// If it is allowed to modify entries in the stream of the OLE storage. + bool m_bStreamReadOnly = false; + +protected: + /// @throws css::uno::Exception + css::uno::Reference< css::io::XStream > TryToGetAcceptableFormat_Impl( + const css::uno::Reference< css::io::XStream >& xStream ); + + /// @throws css::io::IOException + /// @throws css::uno::RuntimeException + css::uno::Reference< css::io::XStream > GetNewFilledTempStream_Impl( + const css::uno::Reference< css::io::XInputStream >& xInStream ); +#ifdef _WIN32 + void SwitchComponentToRunningState_Impl(); +#endif + void MakeEventListenerNotification_Impl( const OUString& aEventName ); +#ifdef _WIN32 + void StateChangeNotification_Impl( bool bBeforeChange, sal_Int32 nOldState, sal_Int32 nNewState ); + css::uno::Reference< css::io::XOutputStream > GetStreamForSaving(); + + + css::uno::Sequence< sal_Int32 > GetIntermediateVerbsSequence_Impl( sal_Int32 nNewState ); + + static css::uno::Sequence< sal_Int32 > GetReachableStatesList_Impl( + const css::uno::Sequence< css::embed::VerbDescriptor >& aVerbList ); +#endif + + void Dispose(); + + void SwitchOwnPersistence( + const css::uno::Reference< css::embed::XStorage >& xNewParentStorage, + const css::uno::Reference< css::io::XStream >& xNewObjectStream, + const OUString& aNewName ); + + void SwitchOwnPersistence( + const css::uno::Reference< css::embed::XStorage >& xNewParentStorage, + const OUString& aNewName ); + + void GetRidOfComponent(); + + /// @throws css::uno::Exception + void StoreToLocation_Impl( + const css::uno::Reference< css::embed::XStorage >& xStorage, + const OUString& sEntName, + const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs, + bool bSaveAs ); +#ifdef _WIN32 + /// @throws css::uno::Exception + void StoreObjectToStream( css::uno::Reference< css::io::XOutputStream > const & xOutStream ); +#endif + /// @throws css::uno::Exception + void InsertVisualCache_Impl( + const css::uno::Reference< css::io::XStream >& xTargetStream, + const css::uno::Reference< css::io::XStream >& xCachedVisualRepresentation ); + + /// @throws css::uno::Exception + void RemoveVisualCache_Impl( const css::uno::Reference< css::io::XStream >& xTargetStream ); + + void SetVisReplInStream( bool bExists ); + bool HasVisReplInStream(); + + /// @throws css::uno::Exception + css::embed::VisualRepresentation GetVisualRepresentationInNativeFormat_Impl( + const css::uno::Reference< css::io::XStream >& xCachedVisRepr ); + + css::uno::Reference< css::io::XStream > TryToRetrieveCachedVisualRepresentation_Impl( + const css::uno::Reference< css::io::XStream >& xStream, + bool bAllowRepair50 = false ) + noexcept; +#ifdef _WIN32 + bool SaveObject_Impl(); + bool OnShowWindow_Impl( bool bShow ); + void CreateOleComponent_Impl( rtl::Reference<OleComponent> const & pOleComponent = {} ); + void CreateOleComponentAndLoad_Impl( rtl::Reference<OleComponent> const & pOleComponent = {} ); + void CreateOleComponentFromClipboard_Impl( OleComponent* pOleComponent = nullptr ); + OUString CreateTempURLEmpty_Impl(); + OUString GetTempURL_Impl(); + void SetObjectIsLink_Impl( bool bIsLink ) { m_bIsLink = bIsLink; } +#endif + + // the following 4 methods are related to switch to wrapping mode + void MoveListeners(); + css::uno::Reference< css::embed::XStorage > CreateTemporarySubstorage( OUString& o_aStorageName ); + OUString MoveToTemporarySubstream(); + bool TryToConvertToOOo( const css::uno::Reference< css::io::XStream >& xStream ); + +public: + // in case a new object must be created the class ID must be specified + OleEmbeddedObject( const css::uno::Reference< css::uno::XComponentContext >& xContext, + const css::uno::Sequence< sal_Int8 >& aClassID, + const OUString& aClassName ); + + // in case object will be loaded from a persistent entry or from a file the class ID will be detected on loading + // factory can do it for OOo objects, but for OLE objects OS dependent code is required + OleEmbeddedObject( const css::uno::Reference< css::uno::XComponentContext >& xContext, + bool bLink ); +#ifdef _WIN32 + // this constructor let object be initialized from clipboard + OleEmbeddedObject( const css::uno::Reference< css::uno::XComponentContext >& xContext ); +#endif + + virtual ~OleEmbeddedObject() override; + +#ifdef _WIN32 + static void OnIconChanged_Impl(); + void OnViewChanged_Impl(); + void OnClosed_Impl(); +#endif + +// XEmbeddedObject + + virtual void SAL_CALL changeState( sal_Int32 nNewState ) override; + + virtual css::uno::Sequence< sal_Int32 > SAL_CALL getReachableStates() override; + + virtual sal_Int32 SAL_CALL getCurrentState() override; + + virtual void SAL_CALL doVerb( sal_Int32 nVerbID ) override; + + virtual css::uno::Sequence< css::embed::VerbDescriptor > SAL_CALL getSupportedVerbs() override; + + virtual void SAL_CALL setClientSite( + const css::uno::Reference< css::embed::XEmbeddedClient >& xClient ) override; + + virtual css::uno::Reference< css::embed::XEmbeddedClient > SAL_CALL getClientSite() override; + + virtual void SAL_CALL update() override; + + virtual void SAL_CALL setUpdateMode( sal_Int32 nMode ) override; + + virtual sal_Int64 SAL_CALL getStatus( sal_Int64 nAspect ) override; + + virtual void SAL_CALL setContainerName( const OUString& sName ) override; + + +// XVisualObject + + virtual void SAL_CALL setVisualAreaSize( sal_Int64 nAspect, const css::awt::Size& aSize ) override; + + virtual css::awt::Size SAL_CALL getVisualAreaSize( sal_Int64 nAspect ) override; + + virtual css::embed::VisualRepresentation SAL_CALL getPreferredVisualRepresentation( ::sal_Int64 nAspect ) override; + + virtual sal_Int32 SAL_CALL getMapUnit( sal_Int64 nAspect ) override; + + +// XEmbedPersist + + virtual void SAL_CALL setPersistentEntry( + const css::uno::Reference< css::embed::XStorage >& xStorage, + const OUString& sEntName, + sal_Int32 nEntryConnectionMode, + const css::uno::Sequence< css::beans::PropertyValue >& lArguments, + const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override; + + virtual void SAL_CALL storeToEntry( const css::uno::Reference< css::embed::XStorage >& xStorage, const OUString& sEntName, const css::uno::Sequence< css::beans::PropertyValue >& lArguments, const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override; + + virtual void SAL_CALL storeAsEntry( + const css::uno::Reference< css::embed::XStorage >& xStorage, + const OUString& sEntName, + const css::uno::Sequence< css::beans::PropertyValue >& lArguments, + const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override; + + virtual void SAL_CALL saveCompleted( sal_Bool bUseNew ) override; + + virtual sal_Bool SAL_CALL hasEntry() override; + + virtual OUString SAL_CALL getEntryName() override; + +// XLinkageSupport + + virtual void SAL_CALL breakLink( const css::uno::Reference< css::embed::XStorage >& xStorage, + const OUString& sEntName ) override; + + virtual sal_Bool SAL_CALL isLink() override; + + virtual OUString SAL_CALL getLinkURL() override; + +// XCommonEmbedPersist + virtual void SAL_CALL storeOwn() override; + + virtual sal_Bool SAL_CALL isReadonly() override; + + virtual void SAL_CALL reload( + const css::uno::Sequence< css::beans::PropertyValue >& lArguments, + const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override; + +// XClassifiedObject + + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getClassID() override; + + virtual OUString SAL_CALL getClassName() override; + + virtual void SAL_CALL setClassInfo( + const css::uno::Sequence< sal_Int8 >& aClassID, const OUString& aClassName ) override; + +// XStateChangeBroadcaster + virtual void SAL_CALL addStateChangeListener( const css::uno::Reference< css::embed::XStateChangeListener >& xListener ) override; + virtual void SAL_CALL removeStateChangeListener( const css::uno::Reference< css::embed::XStateChangeListener >& xListener ) override; + + +// XComponentSupplier + + virtual css::uno::Reference< css::util::XCloseable > SAL_CALL getComponent() override; + +// XCloseable + + virtual void SAL_CALL close( sal_Bool DeliverOwnership ) override; + + virtual void SAL_CALL addCloseListener( + const css::uno::Reference< css::util::XCloseListener >& Listener ) override; + + virtual void SAL_CALL removeCloseListener( + const css::uno::Reference< css::util::XCloseListener >& Listener ) override; + +// XEventBroadcaster + virtual void SAL_CALL addEventListener( + const css::uno::Reference< css::document::XEventListener >& Listener ) override; + + virtual void SAL_CALL removeEventListener( + const css::uno::Reference< css::document::XEventListener >& Listener ) override; + +// XInplaceObject ( only for wrapping scenario here ) + + virtual void SAL_CALL setObjectRectangles( const css::awt::Rectangle& aPosRect, + const css::awt::Rectangle& aClipRect ) override; + + virtual void SAL_CALL enableModeless( sal_Bool bEnable ) override; + + virtual void SAL_CALL translateAccelerators( + const css::uno::Sequence< css::awt::KeyEvent >& aKeys ) override; + + // XChild ( only for wrapping scenario here ) + virtual css::uno::Reference< css::uno::XInterface > SAL_CALL getParent( ) override; + virtual void SAL_CALL setParent( const css::uno::Reference< css::uno::XInterface >& Parent ) override; + + // XActiveDataStreamer + void SAL_CALL setStream(const css::uno::Reference<css::io::XStream>& xStream) override; + css::uno::Reference<css::io::XStream> SAL_CALL getStream() override; + + // XInitialization + void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override; + + // XServiceInfo + OUString SAL_CALL getImplementationName() override; + sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |