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100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#ifndef FILEWATCHER_COMPONENT_H
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#define FILEWATCHER_COMPONENT_H
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//////////////////////////////////////////////////////////////////////////
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#if !defined(Q_MOC_RUN)
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#include "FileWatcherAPI.h"
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#include <AzCore/std/containers/vector.h>
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#include <QMap>
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#include <QVector>
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#include <QString>
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#include <thread>
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#endif
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class FileWatcher;
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//////////////////////////////////////////////////////////////////////////
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//! FolderRootWatch
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/*! Class used for holding a point in the files system from which file changes are tracked.
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* */
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class FolderRootWatch
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: public QObject
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{
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Q_OBJECT
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friend class FileWatcher;
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public:
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FolderRootWatch(const QString rootFolder);
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virtual ~FolderRootWatch();
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void ProcessNewFileEvent(const QString& file);
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void ProcessDeleteFileEvent(const QString& file);
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void ProcessModifyFileEvent(const QString& file);
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void ProcessRenameFileEvent(const QString& fileOld, const QString& fileNew);
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public Q_SLOTS:
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bool Start();
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void Stop();
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private:
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void WatchFolderLoop();
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private:
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std::thread m_thread;
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QString m_root;
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QMap<int, FolderWatchBase*> m_subFolderWatchesMap;
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volatile bool m_shutdownThreadSignal;
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FileWatcher* m_fileWatcher;
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// Can't use unique_ptr because this is a QObject and Qt's magic sauce is
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// unable to determine the size of the unique_ptr and so fails to compile
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struct PlatformImplementation;
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PlatformImplementation* m_platformImpl;
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};
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//////////////////////////////////////////////////////////////////////////
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//! FileWatcher
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/*! Class that handles creation and deletion of FolderRootWatches based on
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*! the given FolderWatches, and forwards file change signals to them.
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* */
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class FileWatcher
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: public QObject
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{
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Q_OBJECT
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public:
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FileWatcher();
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virtual ~FileWatcher();
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//////////////////////////////////////////////////////////////////////////
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virtual int AddFolderWatch(FolderWatchBase* pFolderWatch);
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virtual void RemoveFolderWatch(int handle);
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//////////////////////////////////////////////////////////////////////////
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void StartWatching();
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void StopWatching();
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Q_SIGNALS:
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void AnyFileChange(FileChangeInfo info);
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private:
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int m_nextHandle;
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AZStd::vector<FolderRootWatch*> m_folderWatchRoots;
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bool m_startedWatching = false;
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};
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#endif//FILEWATCHER_COMPONENT_H
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