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-rw-r--r--src/multimedia/qmediapluginloader.cpp234
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diff --git a/src/multimedia/qmediapluginloader.cpp b/src/multimedia/qmediapluginloader.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qmediapluginloader_p.h"
-#include <QtCore/qcoreapplication.h>
-#include <QtCore/qpluginloader.h>
-#include <QtCore/qdir.h>
-#include <QtCore/qdebug.h>
-
-#include "qmediaserviceproviderplugin.h"
-
-#if defined(Q_OS_MAC)
-# include <CoreFoundation/CoreFoundation.h>
-#endif
-
-QT_BEGIN_NAMESPACE
-
-typedef QMap<QString,QObjectList> ObjectListMap;
-Q_GLOBAL_STATIC(ObjectListMap, staticMediaPlugins);
-
-
-QMediaPluginLoader::QMediaPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity):
- m_iid(iid)
-{
- m_location = QString::fromLatin1("/%1").arg(location);
- load();
-}
-
-QStringList QMediaPluginLoader::keys() const
-{
- return m_instances.keys();
-}
-
-QObject* QMediaPluginLoader::instance(QString const &key)
-{
- return m_instances.value(key).value(0);
-}
-
-QList<QObject*> QMediaPluginLoader::instances(QString const &key)
-{
- return m_instances.value(key);
-}
-
-//to be used for testing purposes only
-void QMediaPluginLoader::setStaticPlugins(const QString &location, const QObjectList& objects)
-{
- staticMediaPlugins()->insert(QString::fromLatin1("/%1").arg(location), objects);
-}
-
-QStringList QMediaPluginLoader::availablePlugins() const
-{
- QStringList paths;
- QStringList plugins;
-
-#if defined(Q_OS_MAC)
- QString imageSuffix(qgetenv("DYLD_IMAGE_SUFFIX"));
-
- // Bundle plugin directory
- CFBundleRef mainBundle = CFBundleGetMainBundle();
- if (mainBundle != 0) {
- CFURLRef baseUrl = CFBundleCopyBundleURL(mainBundle);
- CFURLRef pluginUrlPart = CFBundleCopyBuiltInPlugInsURL(mainBundle);
- CFStringRef pluginPathPart = CFURLCopyFileSystemPath(pluginUrlPart, kCFURLPOSIXPathStyle);
- CFURLRef pluginUrl = CFURLCreateCopyAppendingPathComponent(0, baseUrl, pluginPathPart, true);
- CFStringRef pluginPath = CFURLCopyFileSystemPath(pluginUrl, kCFURLPOSIXPathStyle);
-
- CFIndex length = CFStringGetLength(pluginPath);
- UniChar buffer[length];
- CFStringGetCharacters(pluginPath, CFRangeMake(0, length), buffer);
-
- paths << QString(reinterpret_cast<const QChar *>(buffer), length);
-
- CFRelease(pluginPath);
- CFRelease(pluginUrl);
- CFRelease(pluginPathPart);
- CFRelease(pluginUrlPart);
- CFRelease(baseUrl);
- }
-#endif
-
- // Qt paths
- paths << QCoreApplication::libraryPaths();
-
- foreach (const QString &path, paths) {
- QDir typeDir(path + m_location);
- foreach (const QString &file, typeDir.entryList(QDir::Files, QDir::Name)) {
-#if defined(Q_OS_MAC)
- if (!imageSuffix.isEmpty()) { // Only add appropriate images
- if (file.lastIndexOf(imageSuffix, -6) == -1)
- continue;
- } else {
- int foundSuffix = file.lastIndexOf(QLatin1String("_debug.dylib"));
- if (foundSuffix == -1) {
- foundSuffix = file.lastIndexOf(QLatin1String("_profile.dylib"));
- }
- if (foundSuffix != -1) {
- /*
- If this is a "special" version of the plugin, prefer the release
- version, where available.
- Avoids warnings like:
-
- objc[23101]: Class TransparentQTMovieView is implemented in both
- libqqt7engine_debug.dylib and libqqt7engine.dylib. One of the two
- will be used. Which one is undefined.
-
- Note, this code relies on QDir::Name sorting!
- */
-
- QString preferred =
- typeDir.absoluteFilePath(file.left(foundSuffix) + QLatin1String(".dylib"));
-
- if (plugins.contains(preferred)) {
- continue;
- }
- }
- }
-#elif defined(Q_OS_UNIX)
- // Ignore separate debug files
- if (file.endsWith(QLatin1String(".debug")))
- continue;
-#elif defined(Q_OS_WIN)
- // Ignore non-dlls
- if (!file.endsWith(QLatin1String(".dll"), Qt::CaseInsensitive))
- continue;
-#endif
- plugins << typeDir.absoluteFilePath(file);
- }
- }
-
- return plugins;
-}
-
-void QMediaPluginLoader::load()
-{
- if (!m_instances.isEmpty())
- return;
-
-#if !defined QT_NO_DEBUG
- const bool showDebug = qgetenv("QT_DEBUG_PLUGINS").toInt() > 0;
-#endif
-
- if (staticMediaPlugins() && staticMediaPlugins()->contains(m_location)) {
- foreach(QObject *o, staticMediaPlugins()->value(m_location)) {
- if (o != 0 && o->qt_metacast(m_iid) != 0) {
- QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o);
- if (p != 0) {
- foreach (QString const &key, p->keys())
- m_instances[key].append(o);
- }
- }
- }
- } else {
- QSet<QString> loadedPlugins;
-
- foreach (const QString &plugin, availablePlugins()) {
- QString fileName = QFileInfo(plugin).fileName();
- //don't try to load plugin with the same name if it's already loaded
- if (loadedPlugins.contains(fileName)) {
-#if !defined QT_NO_DEBUG
- if (showDebug)
- qDebug() << "Skip loading plugin" << plugin;
-#endif
- continue;
- }
-
- QPluginLoader loader(plugin);
-
- QObject *o = loader.instance();
- if (o != 0 && o->qt_metacast(m_iid) != 0) {
- QFactoryInterface* p = qobject_cast<QFactoryInterface*>(o);
- if (p != 0) {
- foreach (const QString &key, p->keys())
- m_instances[key].append(o);
-
- loadedPlugins.insert(fileName);
-#if !defined QT_NO_DEBUG
- if (showDebug)
- qDebug() << "Loaded plugin" << plugin << "services:" << p->keys();
-#endif
- }
-
- continue;
- } else {
-#if !defined QT_NO_DEBUG
- if (showDebug)
- qWarning() << "QMediaPluginLoader: Failed to load plugin: " << plugin << loader.errorString();
-#endif
- }
-
- delete o;
- }
- }
-}
-
-QT_END_NAMESPACE
-
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