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Diffstat (limited to 'src/declarative/debugger/qdeclarativeobserverservice.cpp')
-rw-r--r-- | src/declarative/debugger/qdeclarativeobserverservice.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/declarative/debugger/qdeclarativeobserverservice.cpp b/src/declarative/debugger/qdeclarativeobserverservice.cpp new file mode 100644 index 0000000..a623c55 --- /dev/null +++ b/src/declarative/debugger/qdeclarativeobserverservice.cpp @@ -0,0 +1,137 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "private/qdeclarativeobserverservice_p.h" +#include "private/qdeclarativeobserverinterface_p.h" + +#include <QtCore/QCoreApplication> +#include <QtCore/QDebug> +#include <QtCore/QDir> +#include <QtCore/QPluginLoader> + +#include <QtDeclarative/QDeclarativeView> + +QT_BEGIN_NAMESPACE + +Q_GLOBAL_STATIC(QDeclarativeObserverService, serviceInstance) + +QDeclarativeObserverService::QDeclarativeObserverService() + : QDeclarativeDebugService(QLatin1String("QDeclarativeObserverMode")) + , m_observer(0) +{ +} + +QDeclarativeObserverService *QDeclarativeObserverService::instance() +{ + return serviceInstance(); +} + +void QDeclarativeObserverService::addView(QDeclarativeView *view) +{ + m_views.append(view); +} + +void QDeclarativeObserverService::removeView(QDeclarativeView *view) +{ + m_views.removeAll(view); +} + +void QDeclarativeObserverService::sendMessage(const QByteArray &message) +{ + if (status() != Enabled) + return; + + QDeclarativeDebugService::sendMessage(message); +} + +void QDeclarativeObserverService::statusChanged(Status status) +{ + if (m_views.isEmpty()) + return; + + if (status == Enabled) { + if (!m_observer) + m_observer = loadObserverPlugin(); + + if (!m_observer) { + qWarning() << "Error while loading observer plugin"; + return; + } + + m_observer->activate(); + } else { + if (m_observer) + m_observer->deactivate(); + } +} + +void QDeclarativeObserverService::messageReceived(const QByteArray &message) +{ + emit gotMessage(message); +} + +QDeclarativeObserverInterface *QDeclarativeObserverService::loadObserverPlugin() +{ + QStringList pluginCandidates; + const QStringList paths = QCoreApplication::libraryPaths(); + foreach (const QString &libPath, paths) { + const QDir dir(libPath + QLatin1String("/qmltooling")); + if (dir.exists()) + foreach (const QString &pluginPath, dir.entryList(QDir::Files)) + pluginCandidates << dir.absoluteFilePath(pluginPath); + } + + foreach (const QString &pluginPath, pluginCandidates) { + QPluginLoader loader(pluginPath); + if (!loader.load()) + continue; + + QDeclarativeObserverInterface *observer = + qobject_cast<QDeclarativeObserverInterface*>(loader.instance()); + + if (observer) + return observer; + loader.unload(); + } + return 0; +} + +QT_END_NAMESPACE |