gecko/widget/qt/faststartupqt/nsFastStartupQt.cpp
2012-05-21 12:12:37 +01:00

134 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 et sw=4 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <QApplication>
#include "nsQAppInstance.h"
#include <QtOpenGL/QGLWidget>
#include <QThread>
#if defined MOZ_ENABLE_MEEGOTOUCH
#include <MScene>
#endif
#include "moziqwidget.h"
#include "mozqwidgetfast.h"
#include "nsFastStartupQt.h"
#include "nsXPCOMGlue.h"
#include "nsXULAppAPI.h"
static nsFastStartup* sFastStartup = NULL;
void
GeckoThread::run()
{
emit symbolsLoadingFinished(mFunc(mExecPath));
}
void
nsFastStartup::symbolsLoadingFinished(bool preloaded)
{
mSymbolsLoaded = preloaded;
if (mWidgetPainted && mSymbolsLoaded) {
mLoop.quit();
}
}
void nsFastStartup::painted()
{
mWidgetPainted = true;
if (mWidgetPainted && mSymbolsLoaded) {
mLoop.quit();
}
}
MozGraphicsView*
nsFastStartup::GetStartupGraphicsView(QWidget* parentWidget, IMozQWidget* aTopChild)
{
MozGraphicsView* view = NULL;
if (sFastStartup && sFastStartup->mGraphicsView) {
view = sFastStartup->mGraphicsView;
} else {
view = new MozGraphicsView(parentWidget);
Qt::WindowFlags flags = Qt::Widget;
view->setWindowFlags(flags);
#if MOZ_PLATFORM_MAEMO == 6
view->setViewport(new QGLWidget());
#endif
}
view->SetTopLevel(aTopChild, parentWidget);
return view;
}
nsFastStartup*
nsFastStartup::GetSingleton()
{
return sFastStartup;
}
nsFastStartup::nsFastStartup()
: mGraphicsView(0)
, mFakeWidget(0)
, mSymbolsLoaded(false)
, mWidgetPainted(false)
, mThread(0)
{
sFastStartup = this;
}
nsFastStartup::~nsFastStartup()
{
nsQAppInstance::Release();
sFastStartup = 0;
}
void
nsFastStartup::RemoveFakeLayout()
{
if (mFakeWidget && mGraphicsView) {
mGraphicsView->scene()->removeItem(mFakeWidget);
mFakeWidget->deleteLater();
mFakeWidget = 0;
// Forget GraphicsView, ownership moved to nsIWidget
mGraphicsView = 0;
}
}
bool
nsFastStartup::CreateFastStartup(int& argc, char ** argv,
const char* execPath,
GeckoLoaderFunc aFunc)
{
gArgc = argc;
gArgv = argv;
// Create main QApplication instance
nsQAppInstance::AddRef(argc, argv, true);
// Create symbols loading thread
mThread = new GeckoThread();
// Setup thread loading finished callbacks
connect(mThread, SIGNAL(symbolsLoadingFinished(bool)),
this, SLOT(symbolsLoadingFinished(bool)));
mThread->SetLoader(aFunc, execPath);
// Create Static UI widget and view
IMozQWidget* fakeWidget = new MozQWidgetFast(NULL, NULL);
mGraphicsView = GetStartupGraphicsView(NULL, fakeWidget);
mFakeWidget = fakeWidget;
mThread->start();
#ifdef MOZ_PLATFORM_MAEMO
mGraphicsView->showFullScreen();
#else
mGraphicsView->showNormal();
#endif
// Start native loop in order to get view opened and painted once
// Will block CreateFastStartup function and
// exit when symbols are loaded and Static UI shown
mLoop.exec();
return true;
}