qmlapplicationviewer.cpp Example File
video/qmlvideo/qmlapplicationviewer/qmlapplicationviewer.cpp
#include "qmlapplicationviewer.h"
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtDeclarative/QDeclarativeComponent>
#include <QtDeclarative/QDeclarativeEngine>
#include <QtDeclarative/QDeclarativeContext>
#include <QtGui/QApplication>
#include <qplatformdefs.h> // MEEGO_EDITION_HARMATTAN
#ifdef HARMATTAN_BOOSTER
#include <MDeclarativeCache>
#endif
#if defined(QMLJSDEBUGGER) && QT_VERSION < 0x040800
#include <qt_private/qdeclarativedebughelper_p.h>
#if !defined(NO_JSDEBUGGER)
#include <jsdebuggeragent.h>
#endif
#if !defined(NO_QMLOBSERVER)
#include <qdeclarativeviewobserver.h>
#endif
struct QmlJsDebuggingEnabler
{
QmlJsDebuggingEnabler()
{
QDeclarativeDebugHelper::enableDebugging();
}
};
static QmlJsDebuggingEnabler enableDebuggingHelper;
#endif // QMLJSDEBUGGER
class QmlApplicationViewerPrivate
{
QmlApplicationViewerPrivate(QDeclarativeView *view_) : view(view_) {}
QString mainQmlFile;
QDeclarativeView *view;
friend class QmlApplicationViewer;
QString adjustPath(const QString &path);
};
QString QmlApplicationViewerPrivate::adjustPath(const QString &path)
{
#ifdef Q_OS_UNIX
#ifdef Q_OS_MAC
if (!QDir::isAbsolutePath(path))
return QCoreApplication::applicationDirPath()
+ QLatin1String("/../Resources/") + path;
#else
QString pathInInstallDir;
const QString applicationDirPath = QCoreApplication::applicationDirPath();
pathInInstallDir = QString::fromAscii("%1/../%2").arg(applicationDirPath, path);
if (QFileInfo(pathInInstallDir).exists())
return pathInInstallDir;
#endif
#endif
return path;
}
QmlApplicationViewer::QmlApplicationViewer(QWidget *parent)
: QDeclarativeView(parent)
, d(new QmlApplicationViewerPrivate(this))
{
connect(engine(), SIGNAL(quit()), SLOT(close()));
setResizeMode(QDeclarativeView::SizeRootObjectToView);
#if defined(QMLJSDEBUGGER) && QT_VERSION < 0x040800
#if !defined(NO_JSDEBUGGER)
new QmlJSDebugger::JSDebuggerAgent(d->view->engine());
#endif
#if !defined(NO_QMLOBSERVER)
new QmlJSDebugger::QDeclarativeViewObserver(d->view, d->view);
#endif
#endif
}
QmlApplicationViewer::QmlApplicationViewer(QDeclarativeView *view, QWidget *parent)
: QDeclarativeView(parent)
, d(new QmlApplicationViewerPrivate(view))
{
connect(view->engine(), SIGNAL(quit()), view, SLOT(close()));
view->setResizeMode(QDeclarativeView::SizeRootObjectToView);
#if defined(QMLJSDEBUGGER) && QT_VERSION < 0x040800
#if !defined(NO_JSDEBUGGER)
new QmlJSDebugger::JSDebuggerAgent(d->view->engine());
#endif
#if !defined(NO_QMLOBSERVER)
new QmlJSDebugger::QDeclarativeViewObserver(d->view, d->view);
#endif
#endif
}
QmlApplicationViewer::~QmlApplicationViewer()
{
delete d;
}
QmlApplicationViewer *QmlApplicationViewer::create()
{
#ifdef HARMATTAN_BOOSTER
return new QmlApplicationViewer(MDeclarativeCache::qDeclarativeView(), 0);
#else
return new QmlApplicationViewer();
#endif
}
void QmlApplicationViewer::setMainQmlFile(const QString &file)
{
d->mainQmlFile = d->adjustPath(file);
d->view->setSource(QUrl::fromLocalFile(d->mainQmlFile));
}
void QmlApplicationViewer::addImportPath(const QString &path)
{
d->view->engine()->addImportPath(d->adjustPath(path));
}
void QmlApplicationViewer::setOrientation(ScreenOrientation orientation)
{
#if defined(Q_OS_SYMBIAN)
if (orientation != ScreenOrientationAuto) {
const QStringList v = QString::fromAscii(qVersion()).split(QLatin1Char('.'));
if (v.count() == 3 && (v.at(0).toInt() << 16 | v.at(1).toInt() << 8 | v.at(2).toInt()) < 0x040702) {
qWarning("Screen orientation locking only supported with Qt 4.7.2 and above");
return;
}
}
#endif // Q_OS_SYMBIAN
Qt::WidgetAttribute attribute;
switch (orientation) {
#if QT_VERSION < 0x040702
case ScreenOrientationLockPortrait:
attribute = static_cast<Qt::WidgetAttribute>(128);
break;
case ScreenOrientationLockLandscape:
attribute = static_cast<Qt::WidgetAttribute>(129);
break;
default:
case ScreenOrientationAuto:
attribute = static_cast<Qt::WidgetAttribute>(130);
break;
#else // QT_VERSION < 0x040702
case ScreenOrientationLockPortrait:
attribute = Qt::WA_LockPortraitOrientation;
break;
case ScreenOrientationLockLandscape:
attribute = Qt::WA_LockLandscapeOrientation;
break;
default:
case ScreenOrientationAuto:
attribute = Qt::WA_AutoOrientation;
break;
#endif // QT_VERSION < 0x040702
};
setAttribute(attribute, true);
}
void QmlApplicationViewer::showExpanded()
{
#if defined(Q_OS_SYMBIAN) || defined(MEEGO_EDITION_HARMATTAN) || defined(Q_WS_SIMULATOR)
d->view->showFullScreen();
#elif defined(Q_WS_MAEMO_5)
d->view->showMaximized();
#else
d->view->show();
#endif
}
QApplication *createApplication(int &argc, char **argv)
{
#ifdef HARMATTAN_BOOSTER
return MDeclarativeCache::qApplication(argc, argv);
#else
return new QApplication(argc, argv);
#endif
}
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