f2808f9165
As seen in the following call stacks: Main thread sal3!osl_acquireMutex+0x49 [libre-office-git-repo\sal\osl\w32\mutex.cxx @ 65] emboleobj!osl::Mutex::acquire+0x9 [libre-office-git-repo\include\osl\mutex.hxx @ 63] emboleobj!osl::ClearableGuard<osl::Mutex>::{ctor}+0xd [libre-office-git-repo\include\osl\mutex.hxx @ 182] emboleobj!osl::ResettableGuard<osl::Mutex>::{ctor}+0xd [libre-office-git-repo\include\osl\mutex.hxx @ 236] emboleobj!OleEmbeddedObject::getStatus+0x72 [libre-office-git-repo\embeddedobj\source\msole\oleembed.cxx @ 1133] sfxlo!SfxViewShell::CheckIPClient_Impl+0x42 [libre-office-git-repo\sfx2\source\view\viewsh.cxx @ 3563] sfxlo!SfxInPlaceClient_Impl::TimerHdl+0x40 [libre-office-git-repo\sfx2\source\view\ipclient.cxx @ 628] sfxlo!SfxInPlaceClient_Impl::LinkStubTimerHdl+0x53 [libre-office-git-repo\sfx2\source\view\ipclient.cxx @ 624] vcllo!Scheduler::CallbackTaskScheduling+0x130e [libre-office-git-repo\vcl\source\app\scheduler.cxx @ 511] vclplug_winlo!WinSalTimer::ImplHandleElapsedTimer+0x2e [libre-office-git-repo\vcl\win\app\saltimer.cxx @ 167] vclplug_winlo!ImplSalYield+0x14f [libre-office-git-repo\vcl\win\app\salinst.cxx @ 525] vclplug_winlo!WinSalInstance::DoYield+0xad [libre-office-git-repo\vcl\win\app\salinst.cxx @ 581] vcllo!ImplYield+0x367 [libre-office-git-repo\vcl\source\app\svapp.cxx @ 393] vcllo!Application::Execute+0xfa [libre-office-git-repo\vcl\source\app\svapp.cxx @ 369] sofficeapp!desktop::Desktop::Main+0x173f [libre-office-git-repo\desktop\source\app\app.cxx @ 1605] vcllo!ImplSVMain+0xda [libre-office-git-repo\vcl\source\app\svmain.cxx @ 229] sofficeapp!soffice_main+0xf3 [libre-office-git-repo\desktop\source\app\sofficemain.cxx @ 94] Request thread sal3!osl_acquireMutex+0x49 [libre-office-git-repo\sal\osl\w32\mutex.cxx @ 65] vclplug_winlo!osl::Mutex::acquire+0xa [libre-office-git-repo\include\osl\mutex.hxx @ 63] vclplug_winlo!SalYieldMutex::doAcquire+0x91 [libre-office-git-repo\vcl\win\app\salinst.cxx @ 148] emboleobj!SolarMutexReleaser::{dtor}+0xc [libre-office-git-repo\include\vcl\svapp.hxx @ 1425] emboleobj!OleComponent::StoreOwnTmpIfNecessary+0x1d3 [libre-office-git-repo\embeddedobj\source\msole\olecomponent.cxx @ 1365] emboleobj!OleEmbeddedObject::StoreObjectToStream+0x2f [libre-office-git-repo\embeddedobj\source\msole\olepersist.cxx @ 1032] emboleobj!OleEmbeddedObject::StoreToLocation_Impl+0x3cc [libre-office-git-repo\embeddedobj\source\msole\olepersist.cxx @ 1169] emboleobj!OleEmbeddedObject::storeAsEntry+0x152 [libre-office-git-repo\embeddedobj\source\msole\olepersist.cxx @ 1523] comphelper!comphelper::EmbeddedObjectContainer::StoreEmbeddedObject+0x490 [libre-office-git-repo\comphelper\source\container\embeddedobjectcontainer.cxx @ 501] comphelper!comphelper::EmbeddedObjectContainer::InsertEmbeddedObject+0x6f [libre-office-git-repo\comphelper\source\container\embeddedobjectcontainer.cxx @ 518] comphelper!comphelper::EmbeddedObjectContainer::RemoveEmbeddedObject+0x388 [libre-office-git-repo\comphelper\source\container\embeddedobjectcontainer.cxx @ 945] comphelper!comphelper::EmbeddedObjectContainer::RemoveEmbeddedObject+0x46 [libre-office-git-repo\comphelper\source\container\embeddedobjectcontainer.cxx @ 831] swlo!SwOLENode::SavePersistentData+0x20b [libre-office-git-repo\sw\source\core\ole\ndole.cxx @ 403] swlo!SwNodes::ChgNode+0x411 [libre-office-git-repo\sw\source\core\docnode\nodes.cxx @ 214] swlo!SwNodes::MoveNodes+0x18e6 [libre-office-git-repo\sw\source\core\docnode\nodes.cxx @ 868] swlo!SwUndoSaveContent::MoveToUndoNds+0x1c1 [libre-office-git-repo\sw\source\core\undo\undobj.cxx @ 784] swlo!SwUndoSaveSection::SaveSection+0x559 [libre-office-git-repo\sw\source\core\undo\undobj.cxx @ 1325] swlo!SwUndoSaveSection::SaveSection+0x55 [libre-office-git-repo\sw\source\core\undo\undobj.cxx @ 1278] swlo!SwUndoFlyBase::DelFly+0x127 [libre-office-git-repo\sw\source\core\undo\undobj1.cxx @ 232] swlo!SwUndoDelLayFormat::SwUndoDelLayFormat+0x64 [libre-office-git-repo\sw\source\core\undo\undobj1.cxx @ 429] swlo!std::make_unique+0x22 [C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.29.30133\include\memory @ 3382] swlo!sw::DocumentLayoutManager::DelLayoutFormat+0x283 [libre-office-git-repo\sw\source\core\doc\DocumentLayoutManager.cxx @ 242] swlo!SwTextNode::DestroyAttr+0x82 [libre-office-git-repo\sw\source\core\txtnode\thints.cxx @ 1204] swlo!SwTextNode::EraseText+0x18f [libre-office-git-repo\sw\source\core\txtnode\ndtxt.cxx @ 2813] swlo!SwTextNode::DeleteAttributes+0x115 [libre-office-git-repo\sw\source\core\txtnode\thints.cxx @ 1863] swlo!SwXFrame::dispose+0xdb [libre-office-git-repo\sw\source\core\unocore\unoframe.cxx @ 2692] mscx_uno!`anonymous namespace'::cpp_call+0x710 [libre-office-git-repo\bridges\source\cpp_uno\msvc_win32_x86-64\uno2cpp.cxx @ 214] mscx_uno!unoInterfaceProxyDispatch+0x2fa [libre-office-git-repo\bridges\source\cpp_uno\msvc_win32_x86-64\uno2cpp.cxx @ 430] binaryurplo!binaryurp::IncomingRequest::execute_throw+0x635 [libre-office-git-repo\binaryurp\source\incomingrequest.cxx @ 239] binaryurplo!binaryurp::IncomingRequest::execute+0xbf [libre-office-git-repo\binaryurp\source\incomingrequest.cxx @ 79] binaryurplo!request+0x1c [libre-office-git-repo\binaryurp\source\reader.cxx @ 84] cppu3!cppu_threadpool::JobQueue::enter+0x21e [libre-office-git-repo\cppu\source\threadpool\jobqueue.cxx @ 101] cppu3!cppu_threadpool::ORequestThread::run+0xa0 [libre-office-git-repo\cppu\source\threadpool\thread.cxx @ 169] where the call to OleComponent::StoreOwnTmpIfNecessary from OleEmbeddedObject::StoreObjectToStream was made with m_aMutex held; and that mutex was attempted to be locked from the main thread, holding solar mutex. Change-Id: I1914188728cdaa9cdf22d216ec71f733d7780692 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175117 Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com> Tested-by: Jenkins
474 lines
18 KiB
C++
474 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/embed/XEmbeddedObject.hpp>
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#include <com/sun/star/embed/XEmbeddedOleObject.hpp>
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#include <com/sun/star/embed/XInplaceObject.hpp>
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#include <com/sun/star/embed/XEmbedPersist.hpp>
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#include <com/sun/star/embed/XLinkageSupport.hpp>
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#include <com/sun/star/embed/VerbDescriptor.hpp>
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#include <com/sun/star/container/XChild.hpp>
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#include <com/sun/star/util/XCloseable.hpp>
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#include <com/sun/star/util/XCloseListener.hpp>
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#include <com/sun/star/io/XActiveDataStreamer.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <rtl/ref.hxx>
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#include <osl/thread.h>
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#include <memory>
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namespace comphelper {
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class OMultiTypeInterfaceContainerHelper2;
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}
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class VerbExecutionController
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{
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// the following mutex is allowed to be locked only for variables initialization, so no deadlock can be caused
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::osl::Mutex m_aVerbExecutionMutex;
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sal_Int32 m_nNotificationLock;
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#ifdef _WIN32
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bool m_bWasEverActive;
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bool m_bVerbExecutionInProgress;
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oslThreadIdentifier m_nVerbExecutionThreadIdentifier;
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bool m_bChangedOnVerbExecution;
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#endif
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public:
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VerbExecutionController()
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: m_nNotificationLock( 0 )
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#ifdef _WIN32
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, m_bWasEverActive( false )
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, m_bVerbExecutionInProgress( false )
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, m_nVerbExecutionThreadIdentifier( 0 )
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, m_bChangedOnVerbExecution( false )
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#endif
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{}
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#ifdef _WIN32
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void StartControlExecution();
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bool EndControlExecution_WasModified();
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void ModificationNotificationIsDone();
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// no need to lock anything to check the value of the numeric members
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bool CanDoNotification() { return ( !m_bVerbExecutionInProgress && !m_bWasEverActive && !m_nNotificationLock ); }
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// ... or to change it
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void ObjectIsActive() { m_bWasEverActive = true; }
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#endif
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void LockNotification();
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void UnlockNotification();
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};
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class VerbExecutionControllerGuard
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{
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VerbExecutionController& m_rController;
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public:
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VerbExecutionControllerGuard( VerbExecutionController& rController )
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: m_rController( rController )
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{
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m_rController.LockNotification();
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}
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~VerbExecutionControllerGuard()
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{
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m_rController.UnlockNotification();
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}
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};
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class OleComponent;
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class OwnView_Impl;
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/**
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* Represents an OLE object that has native data and we try to let an external
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* application handle that data.
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*/
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class OleEmbeddedObject : public ::cppu::WeakImplHelper
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< css::embed::XEmbeddedObject
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, css::embed::XEmbeddedOleObject
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, css::embed::XEmbedPersist
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, css::embed::XLinkageSupport
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, css::embed::XInplaceObject
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, css::container::XChild
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, css::io::XActiveDataStreamer
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, css::lang::XInitialization
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, css::lang::XServiceInfo >
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{
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friend class OleComponent;
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::osl::Mutex m_aMutex;
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rtl::Reference<OleComponent> m_pOleComponent;
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std::unique_ptr<::comphelper::OMultiTypeInterfaceContainerHelper2> m_pInterfaceContainer;
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bool m_bReadOnly;
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bool m_bDisposed;
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sal_Int32 m_nObjectState;
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sal_Int32 m_nTargetState;
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sal_Int32 m_nUpdateMode;
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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css::uno::Sequence< sal_Int8 > m_aClassID;
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OUString m_aClassName;
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css::uno::Reference< css::embed::XEmbeddedClient > m_xClientSite;
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OUString m_aContainerName;
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css::uno::Reference< css::util::XCloseListener > m_xClosePreventer;
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bool m_bWaitSaveCompleted;
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bool m_bNewVisReplInStream;
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css::uno::Reference< css::io::XStream > m_xNewCachedVisRepl;
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OUString m_aNewEntryName;
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css::uno::Reference< css::embed::XStorage > m_xNewParentStorage;
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css::uno::Reference< css::io::XStream > m_xNewObjectStream;
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bool m_bStoreLoaded;
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css::uno::Reference< css::io::XStream > m_xCachedVisualRepresentation;
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bool m_bVisReplInitialized;
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bool m_bVisReplInStream;
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bool m_bStoreVisRepl;
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bool m_bIsLink;
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// TODO/LATER: may need to cache more than one aspect in future
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bool m_bHasCachedSize; // the object has cached size
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css::awt::Size m_aCachedSize;
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sal_Int64 m_nCachedAspect;
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bool m_bHasSizeToSet; // the object has cached size that should be set to OLE component
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css::awt::Size m_aSizeToSet; // this size might be different from the cached one ( scaling is applied )
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sal_Int64 m_nAspectToSet;
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// cache the status of the object
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// TODO/LATER: may need to cache more than one aspect in future
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bool m_bGotStatus;
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sal_Int64 m_nStatus;
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sal_Int64 m_nStatusAspect;
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// embedded object related stuff
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OUString m_aEntryName;
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css::uno::Reference< css::embed::XStorage > m_xParentStorage;
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css::uno::Reference< css::io::XStream > m_xObjectStream;
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// link related stuff
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OUString m_aLinkURL; // ???
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// points to own view provider if the object has no server
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rtl::Reference<OwnView_Impl> m_xOwnView;
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// whether the object should be initialized from clipboard in case of default initialization
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bool m_bFromClipboard;
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OUString m_aTempURL;
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OUString m_aTempDumpURL;
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// STAMPIT solution
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// the following member is used during verb execution to detect whether the verb execution modifies the object
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VerbExecutionController m_aVerbExecutionController;
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// if the following member is set, the object works in wrapper mode
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css::uno::Reference< css::embed::XEmbeddedObject > m_xWrappedObject;
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bool m_bTriedConversion;
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OUString m_aFilterName; // if m_bTriedConversion, then the filter detected by that
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css::uno::Reference< css::uno::XInterface > m_xParent;
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/// If it is allowed to modify entries in the stream of the OLE storage.
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bool m_bStreamReadOnly = false;
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protected:
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/// @throws css::uno::Exception
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css::uno::Reference< css::io::XStream > TryToGetAcceptableFormat_Impl(
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const css::uno::Reference< css::io::XStream >& xStream );
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/// @throws css::io::IOException
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/// @throws css::uno::RuntimeException
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css::uno::Reference< css::io::XStream > GetNewFilledTempStream_Impl(
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const css::uno::Reference< css::io::XInputStream >& xInStream );
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#ifdef _WIN32
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void SwitchComponentToRunningState_Impl(osl::ResettableMutexGuard& guard);
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#endif
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void MakeEventListenerNotification_Impl( const OUString& aEventName, osl::ResettableMutexGuard& guard );
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#ifdef _WIN32
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void StateChangeNotification_Impl( bool bBeforeChange, sal_Int32 nOldState, sal_Int32 nNewState, osl::ResettableMutexGuard& guard );
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css::uno::Reference< css::io::XOutputStream > GetStreamForSaving();
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css::uno::Sequence< sal_Int32 > GetIntermediateVerbsSequence_Impl( sal_Int32 nNewState );
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static css::uno::Sequence< sal_Int32 > GetReachableStatesList_Impl(
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const css::uno::Sequence< css::embed::VerbDescriptor >& aVerbList );
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#endif
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void Dispose(osl::ResettableMutexGuard* guard = nullptr);
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void SwitchOwnPersistence(
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const css::uno::Reference< css::embed::XStorage >& xNewParentStorage,
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const css::uno::Reference< css::io::XStream >& xNewObjectStream,
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const OUString& aNewName );
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void SwitchOwnPersistence(
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const css::uno::Reference< css::embed::XStorage >& xNewParentStorage,
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const OUString& aNewName );
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void GetRidOfComponent(osl::ResettableMutexGuard* guard);
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/// @throws css::uno::Exception
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void StoreToLocation_Impl(
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const css::uno::Reference< css::embed::XStorage >& xStorage,
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const OUString& sEntName,
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const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs,
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bool bSaveAs,
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osl::ResettableMutexGuard& rGuard);
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#ifdef _WIN32
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/// @throws css::uno::Exception
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void StoreObjectToStream(css::uno::Reference<css::io::XOutputStream> const& xOutStream,
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osl::ResettableMutexGuard& rGuard);
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#endif
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/// @throws css::uno::Exception
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void InsertVisualCache_Impl(
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const css::uno::Reference< css::io::XStream >& xTargetStream,
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const css::uno::Reference< css::io::XStream >& xCachedVisualRepresentation,
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osl::ResettableMutexGuard& rGuard);
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/// @throws css::uno::Exception
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void RemoveVisualCache_Impl( const css::uno::Reference< css::io::XStream >& xTargetStream );
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void SetVisReplInStream( bool bExists );
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bool HasVisReplInStream();
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/// @throws css::uno::Exception
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css::embed::VisualRepresentation GetVisualRepresentationInNativeFormat_Impl(
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const css::uno::Reference< css::io::XStream >& xCachedVisRepr );
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css::uno::Reference< css::io::XStream > TryToRetrieveCachedVisualRepresentation_Impl(
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const css::uno::Reference< css::io::XStream >& xStream,
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osl::ResettableMutexGuard& rGuard,
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bool bAllowRepair50 = false )
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noexcept;
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#ifdef _WIN32
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bool SaveObject_Impl();
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bool OnShowWindow_Impl( bool bShow );
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void CreateOleComponent_Impl( rtl::Reference<OleComponent> const & pOleComponent = {} );
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void CreateOleComponentAndLoad_Impl( rtl::Reference<OleComponent> const & pOleComponent = {} );
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void CreateOleComponentFromClipboard_Impl( OleComponent* pOleComponent = nullptr );
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OUString CreateTempURLEmpty_Impl();
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OUString GetTempURL_Impl();
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void SetObjectIsLink_Impl( bool bIsLink ) { m_bIsLink = bIsLink; }
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#endif
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// the following 4 methods are related to switch to wrapping mode
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void MoveListeners();
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css::uno::Reference< css::embed::XStorage > CreateTemporarySubstorage( OUString& o_aStorageName );
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OUString MoveToTemporarySubstream();
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bool TryToConvertToOOo( const css::uno::Reference< css::io::XStream >& xStream );
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public:
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// in case a new object must be created the class ID must be specified
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OleEmbeddedObject( css::uno::Reference< css::uno::XComponentContext > xContext,
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const css::uno::Sequence< sal_Int8 >& aClassID,
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OUString aClassName );
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// in case object will be loaded from a persistent entry or from a file the class ID will be detected on loading
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// factory can do it for OOo objects, but for OLE objects OS dependent code is required
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OleEmbeddedObject( css::uno::Reference< css::uno::XComponentContext > xContext,
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bool bLink );
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#ifdef _WIN32
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// this constructor let object be initialized from clipboard
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OleEmbeddedObject( const css::uno::Reference< css::uno::XComponentContext >& xContext );
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#endif
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virtual ~OleEmbeddedObject() override;
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#ifdef _WIN32
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static void OnIconChanged_Impl();
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void OnViewChanged_Impl();
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void OnClosed_Impl();
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#endif
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// XEmbeddedObject
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virtual void SAL_CALL changeState( sal_Int32 nNewState ) override;
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virtual css::uno::Sequence< sal_Int32 > SAL_CALL getReachableStates() override;
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virtual sal_Int32 SAL_CALL getCurrentState() override;
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virtual void SAL_CALL doVerb( sal_Int32 nVerbID ) override;
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virtual css::uno::Sequence< css::embed::VerbDescriptor > SAL_CALL getSupportedVerbs() override;
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virtual void SAL_CALL setClientSite(
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const css::uno::Reference< css::embed::XEmbeddedClient >& xClient ) override;
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virtual css::uno::Reference< css::embed::XEmbeddedClient > SAL_CALL getClientSite() override;
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virtual void SAL_CALL update() override;
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virtual void SAL_CALL setUpdateMode( sal_Int32 nMode ) override;
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virtual sal_Int64 SAL_CALL getStatus( sal_Int64 nAspect ) override;
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virtual void SAL_CALL setContainerName( const OUString& sName ) override;
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// XVisualObject
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virtual void SAL_CALL setVisualAreaSize( sal_Int64 nAspect, const css::awt::Size& aSize ) override;
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virtual css::awt::Size SAL_CALL getVisualAreaSize( sal_Int64 nAspect ) override;
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virtual css::embed::VisualRepresentation SAL_CALL getPreferredVisualRepresentation( ::sal_Int64 nAspect ) override;
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virtual sal_Int32 SAL_CALL getMapUnit( sal_Int64 nAspect ) override;
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// XEmbedPersist
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virtual void SAL_CALL setPersistentEntry(
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const css::uno::Reference< css::embed::XStorage >& xStorage,
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const OUString& sEntName,
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sal_Int32 nEntryConnectionMode,
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const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
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const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override;
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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;
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virtual void SAL_CALL storeAsEntry(
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const css::uno::Reference< css::embed::XStorage >& xStorage,
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const OUString& sEntName,
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const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
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const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override;
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virtual void SAL_CALL saveCompleted( sal_Bool bUseNew ) override;
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virtual sal_Bool SAL_CALL hasEntry() override;
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virtual OUString SAL_CALL getEntryName() override;
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// XLinkageSupport
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virtual void SAL_CALL breakLink( const css::uno::Reference< css::embed::XStorage >& xStorage,
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const OUString& sEntName ) override;
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virtual sal_Bool SAL_CALL isLink() override;
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virtual OUString SAL_CALL getLinkURL() override;
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// XCommonEmbedPersist
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virtual void SAL_CALL storeOwn() override;
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virtual sal_Bool SAL_CALL isReadonly() override;
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virtual void SAL_CALL reload(
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const css::uno::Sequence< css::beans::PropertyValue >& lArguments,
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const css::uno::Sequence< css::beans::PropertyValue >& lObjArgs ) override;
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// XClassifiedObject
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL getClassID() override;
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virtual OUString SAL_CALL getClassName() override;
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virtual void SAL_CALL setClassInfo(
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const css::uno::Sequence< sal_Int8 >& aClassID, const OUString& aClassName ) override;
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// XStateChangeBroadcaster
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virtual void SAL_CALL addStateChangeListener( const css::uno::Reference< css::embed::XStateChangeListener >& xListener ) override;
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virtual void SAL_CALL removeStateChangeListener( const css::uno::Reference< css::embed::XStateChangeListener >& xListener ) override;
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// XComponentSupplier
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virtual css::uno::Reference< css::util::XCloseable > SAL_CALL getComponent() override;
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// XCloseable
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virtual void SAL_CALL close( sal_Bool DeliverOwnership ) override;
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virtual void SAL_CALL addCloseListener(
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const css::uno::Reference< css::util::XCloseListener >& Listener ) override;
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virtual void SAL_CALL removeCloseListener(
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const css::uno::Reference< css::util::XCloseListener >& Listener ) override;
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// XEventBroadcaster
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virtual void SAL_CALL addEventListener(
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const css::uno::Reference< css::document::XEventListener >& Listener ) override;
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virtual void SAL_CALL removeEventListener(
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const css::uno::Reference< css::document::XEventListener >& Listener ) override;
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// XInplaceObject ( only for wrapping scenario here )
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virtual void SAL_CALL setObjectRectangles( const css::awt::Rectangle& aPosRect,
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const css::awt::Rectangle& aClipRect ) override;
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virtual void SAL_CALL enableModeless( sal_Bool bEnable ) override;
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virtual void SAL_CALL translateAccelerators(
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const css::uno::Sequence< css::awt::KeyEvent >& aKeys ) override;
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// XChild ( only for wrapping scenario here )
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virtual css::uno::Reference< css::uno::XInterface > SAL_CALL getParent( ) override;
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virtual void SAL_CALL setParent( const css::uno::Reference< css::uno::XInterface >& Parent ) override;
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// XActiveDataStreamer
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void SAL_CALL setStream(const css::uno::Reference<css::io::XStream>& xStream) override;
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|
css::uno::Reference<css::io::XStream> SAL_CALL getStream() override;
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// XInitialization
|
|
void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& rArguments) override;
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// XServiceInfo
|
|
OUString SAL_CALL getImplementationName() override;
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|
sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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private:
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|
css::awt::Size getVisualAreaSize_impl(sal_Int64 nAspect, osl::ResettableMutexGuard& guard);
|
|
};
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namespace
|
|
{
|
|
#if defined(_WIN32)
|
|
template <class Proc> auto ExecUnlocked(Proc proc, osl::ResettableMutexGuard& guard)
|
|
{
|
|
osl::ResettableMutexGuardScopedReleaser area(guard);
|
|
return proc();
|
|
}
|
|
#endif
|
|
}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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