diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/inc/salusereventlist.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/inc/salusereventlist.hxx')
-rw-r--r-- | vcl/inc/salusereventlist.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/vcl/inc/salusereventlist.hxx b/vcl/inc/salusereventlist.hxx new file mode 100644 index 000000000..cc5aa88c9 --- /dev/null +++ b/vcl/inc/salusereventlist.hxx @@ -0,0 +1,122 @@ +/* -*- 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 <sal/config.h> +#include <vcl/dllapi.h> +#include <osl/mutex.hxx> +#include <osl/thread.hxx> + +#include <list> +#include <o3tl/sorted_vector.hxx> + +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 osl::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() {} + +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<SalFrame*>( pFrame ) ); + return it != m_aFrames.end(); +} + +inline bool SalUserEventList::HasUserEvents() const +{ + osl::MutexGuard aGuard( m_aUserEventsMutex ); + return !(m_aUserEvents.empty() && m_aProcessingUserEvents.empty()); +} + +inline void SalUserEventList::PostEvent( SalFrame* pFrame, void* pData, SalEvent nEvent ) +{ + osl::MutexGuard 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: */ |