/* -*- 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_VCL_INC_SALUSEREVENTLIST_HXX #define INCLUDED_VCL_INC_SALUSEREVENTLIST_HXX #include #include #include #include #include #include class SalFrame; enum class SalEvent; typedef o3tl::sorted_vector< SalFrame* > SalFrameSet; class VCL_PLUGIN_PUBLIC SalUserEventList { public: struct SalUserEvent { SalFrame* m_pFrame; void* m_pData; SalEvent m_nEvent; SalUserEvent( SalFrame* pFrame, void* pData, SalEvent nEvent ) : m_pFrame( pFrame ), m_pData( pData ), m_nEvent( nEvent ) {} bool operator==(const SalUserEvent &aEvent) const { return m_pFrame == aEvent.m_pFrame && m_pData == aEvent.m_pData && m_nEvent== aEvent.m_nEvent; } }; protected: mutable std::mutex m_aUserEventsMutex; std::list< SalUserEvent > m_aUserEvents; std::list< SalUserEvent > m_aProcessingUserEvents; bool m_bAllUserEventProcessedSignaled; SalFrameSet m_aFrames; oslThreadIdentifier m_aProcessingThread; virtual void ProcessEvent( SalUserEvent aEvent ) = 0; virtual void TriggerUserEventProcessing() = 0; virtual void TriggerAllUserEventsProcessed() {} inline bool HasUserEvents_NoLock() const; public: SalUserEventList(); virtual ~SalUserEventList() COVERITY_NOEXCEPT_FALSE; inline const SalFrameSet& getFrames() const; inline SalFrame* anyFrame() const; void insertFrame( SalFrame* pFrame ); void eraseFrame( SalFrame* pFrame ); inline bool isFrameAlive( const SalFrame* pFrame ) const; void PostEvent( SalFrame* pFrame, void* pData, SalEvent nEvent ); void RemoveEvent( SalFrame* pFrame, void* pData, SalEvent nEvent ); inline bool HasUserEvents() const; bool DispatchUserEvents( bool bHandleAllCurrentEvents ); }; inline SalFrame* SalUserEventList::anyFrame() const { if ( m_aFrames.empty() ) return nullptr; return *m_aFrames.begin(); } inline bool SalUserEventList::isFrameAlive( const SalFrame* pFrame ) const { auto it = m_aFrames.find( const_cast( pFrame ) ); return it != m_aFrames.end(); } inline bool SalUserEventList::HasUserEvents() const { std::unique_lock aGuard( m_aUserEventsMutex ); return HasUserEvents_NoLock(); } inline bool SalUserEventList::HasUserEvents_NoLock() const { return !(m_aUserEvents.empty() && m_aProcessingUserEvents.empty()); } inline void SalUserEventList::PostEvent( SalFrame* pFrame, void* pData, SalEvent nEvent ) { std::unique_lock aGuard( m_aUserEventsMutex ); m_aUserEvents.push_back( SalUserEvent( pFrame, pData, nEvent ) ); m_bAllUserEventProcessedSignaled = false; TriggerUserEventProcessing(); } inline const SalFrameSet& SalUserEventList::getFrames() const { return m_aFrames; } #endif // INCLUDED_VCL_INC_SALUSEREVENTLIST_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ .0'>distro/collabora/cp-6.0 LibreOffice 核心代码仓库文档基金会
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