diff options
Diffstat (limited to 'src/corelib/io/qfilesystemwatcher_symbian.cpp')
-rw-r--r-- | src/corelib/io/qfilesystemwatcher_symbian.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemwatcher_symbian.cpp b/src/corelib/io/qfilesystemwatcher_symbian.cpp new file mode 100644 index 0000000000..883b70f260 --- /dev/null +++ b/src/corelib/io/qfilesystemwatcher_symbian.cpp @@ -0,0 +1,252 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_EMBEDDED_LICENSE$ +** +****************************************************************************/ + +#include "qfilesystemwatcher.h" +#include "qfilesystemwatcher_symbian_p.h" +#include "qfileinfo.h" +#include "qdebug.h" +#include "private/qcore_symbian_p.h" +#include <QDir> + +#ifndef QT_NO_FILESYSTEMWATCHER + + +QT_BEGIN_NAMESPACE + +CNotifyChangeEvent* CNotifyChangeEvent::New(RFs &fs, const TDesC& file, + QSymbianFileSystemWatcherEngine* e) +{ + CNotifyChangeEvent* self = new CNotifyChangeEvent(fs, file, e); + return self; +} + +CNotifyChangeEvent::CNotifyChangeEvent(RFs &fs, const TDesC& file, + QSymbianFileSystemWatcherEngine* e, TInt aPriority) : + CActive(aPriority), + fsSession(fs), + watchedPath(file), + engine(e) +{ + fsSession.NotifyChange(ENotifyAll, iStatus, file); + CActiveScheduler::Add(this); + SetActive(); +} + +CNotifyChangeEvent::~CNotifyChangeEvent() +{ + Cancel(); +} + +void CNotifyChangeEvent::RunL() +{ + if (iStatus.Int() == KErrNone){ + fsSession.NotifyChange(ENotifyAll, iStatus, watchedPath); + SetActive(); + engine->emitPathChanged(this); + } else { + qWarning("CNotifyChangeEvent::RunL() - Failed to order change notifications: %d", iStatus.Int()); + } +} + +void CNotifyChangeEvent::DoCancel() +{ + fsSession.NotifyChangeCancel(); +} + +QSymbianFileSystemWatcherEngine::QSymbianFileSystemWatcherEngine() : + watcherStarted(false) +{ + moveToThread(this); +} + +QSymbianFileSystemWatcherEngine::~QSymbianFileSystemWatcherEngine() +{ + stop(); +} + +QStringList QSymbianFileSystemWatcherEngine::addPaths(const QStringList &paths, + QStringList *files, QStringList *directories) +{ + QMutexLocker locker(&mutex); + QStringList p = paths; + + if (!startWatcher()) { + qWarning("Could not start QSymbianFileSystemWatcherEngine thread"); + + return p; + } + + QMutableListIterator<QString> it(p); + while (it.hasNext()) { + QString path = it.next(); + QFileInfo fi(path); + if (!fi.exists()) + continue; + + bool isDir = fi.isDir(); + if (isDir) { + if (directories->contains(path)) + continue; + } else { + if (files->contains(path)) + continue; + } + + // Use absolute filepath as relative paths seem to have some issues. + QString filePath = fi.absoluteFilePath(); + if(isDir && filePath.at(filePath.size()-1) != QChar('/')) { + filePath += QChar('/'); + } + + currentEvent = NULL; + QMetaObject::invokeMethod(this, + "addNativeListener", + Qt::QueuedConnection, + Q_ARG(QString, filePath)); + + syncCondition.wait(&mutex); + + if (currentEvent) { + currentEvent->isDir = isDir; + + activeObjectToPath.insert(currentEvent, path); + it.remove(); + + if (isDir) + directories->append(path); + else + files->append(path); + } + } + + return p; +} + +QStringList QSymbianFileSystemWatcherEngine::removePaths(const QStringList &paths, + QStringList *files, QStringList *directories) +{ + QMutexLocker locker(&mutex); + + QStringList p = paths; + QMutableListIterator<QString> it(p); + while (it.hasNext()) { + QString path = it.next(); + + currentEvent = activeObjectToPath.key(path); + if (!currentEvent) + continue; + activeObjectToPath.remove(currentEvent); + + QMetaObject::invokeMethod(this, + "removeNativeListener", + Qt::QueuedConnection); + + syncCondition.wait(&mutex); + + it.remove(); + + files->removeAll(path); + directories->removeAll(path); + } + + if (activeObjectToPath.size() == 0) + stop(); + + return p; +} + +void QSymbianFileSystemWatcherEngine::emitPathChanged(CNotifyChangeEvent *e) +{ + QMutexLocker locker(&mutex); + + QString path = activeObjectToPath.value(e); + QFileInfo fi(path); + + if (e->isDir) { + emit directoryChanged(path, !fi.exists()); + } else { + emit fileChanged(path, !fi.exists()); + } +} + +void QSymbianFileSystemWatcherEngine::stop() +{ + QMetaObject::invokeMethod(this, "quit"); + wait(); +} + +// This method must be called inside mutex +bool QSymbianFileSystemWatcherEngine::startWatcher() +{ + bool retval = true; + + if (!watcherStarted) { +#if defined(Q_OS_SYMBIAN) + setStackSize(0x5000); +#endif + start(); + syncCondition.wait(&mutex); + + if (errorCode != KErrNone) { + retval = false; + } else { + watcherStarted = true; + } + } + return retval; +} + + +void QSymbianFileSystemWatcherEngine::run() +{ + // Initialize file session + + errorCode = fsSession.Connect(); + + mutex.lock(); + syncCondition.wakeOne(); + mutex.unlock(); + + if (errorCode == KErrNone) { + exec(); + + foreach(CNotifyChangeEvent* e, activeObjectToPath.keys()) { + e->Cancel(); + delete e; + } + + activeObjectToPath.clear(); + fsSession.Close(); + watcherStarted = false; + } +} + +void QSymbianFileSystemWatcherEngine::addNativeListener(const QString &directoryPath) +{ + QMutexLocker locker(&mutex); + HBufC* buffer = qt_QString2HBufCNewL(QDir::toNativeSeparators(directoryPath)); + currentEvent = CNotifyChangeEvent::New(fsSession, *buffer, this); + delete buffer; + syncCondition.wakeOne(); +} + +void QSymbianFileSystemWatcherEngine::removeNativeListener() +{ + QMutexLocker locker(&mutex); + currentEvent->Cancel(); + delete currentEvent; + currentEvent = NULL; + syncCondition.wakeOne(); +} + + +QT_END_NAMESPACE +#endif // QT_NO_FILESYSTEMWATCHER |