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C++

/***************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of applauncherd
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#include <Qt/QtDeclarative>
#include <QX11Info>
#include "mdeclarativecache.h"
#include "mdeclarativecache_p.h"
#ifdef Q_WS_X11
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
MDeclarativeCachePrivate * const MDeclarativeCache::d_ptr = new MDeclarativeCachePrivate;
const int MDeclarativeCachePrivate::ARGV_LIMIT = 32;
MDeclarativeCachePrivate::MDeclarativeCachePrivate() :
qApplicationInstance(0),
qDeclarativeViewInstance(0),
initialArgc(ARGV_LIMIT),
initialArgv(new char* [initialArgc])
{
}
MDeclarativeCachePrivate::~MDeclarativeCachePrivate()
{
delete qDeclarativeViewInstance;
delete[] initialArgv;
}
void MDeclarativeCachePrivate::populate()
{
static const char *const emptyString = "";
static const char *const appNameFormat = "mdeclarativecache_pre_initialized_qapplication%d";
static char appName[strlen(appNameFormat) + 8];
// Append pid to appName to make it unique. This is required because the
// libminputcontext.so instantiates MComponentData, which in turn registers
// a dbus service with the application's name.
sprintf(appName, appNameFormat, getpid());
// We support at most ARGV_LIMIT arguments in QCoreApplication. These will be set when real
// arguments are known (in MDeclarativeCachePrivate::qApplication).
initialArgv[0] = const_cast<char *>(appName);
for (int i = 1; i < initialArgc; i++) {
initialArgv[i] = const_cast<char *>(emptyString);
}
if (qApplicationInstance == 0) {
#ifdef __arm__
QApplication::setGraphicsSystem("meego");
#else
QApplication::setGraphicsSystem("raster");
#endif
qApplicationInstance = new QApplication(initialArgc, initialArgv);
}
qDeclarativeViewInstance = new QDeclarativeView();
}
QApplication* MDeclarativeCachePrivate::qApplication(int &argc, char **argv)
{
if (qApplicationInstance == 0) {
qApplicationInstance = new QApplication(argc, argv);
} else {
if (argc > ARGV_LIMIT) {
qWarning("MComponentCache: QCoreApplication::arguments() will not contain all arguments.");
}
// Copy arguments to QCoreApplication
for (int i = 0; i < qMin(argc, ARGV_LIMIT); i++) {
qApp->argv()[i] = argv[i];
}
// This changes argc in QCoreApplication
initialArgc = qMin(argc, ARGV_LIMIT);
#ifdef Q_WS_X11
// reinit WM_COMMAND X11 property
if (qDeclarativeViewInstance) {
Display *display = QX11Info::display();
if (display) {
XSetCommand(display, qDeclarativeViewInstance->effectiveWinId(), argv, argc);
// set correct WM_CLASS properties
QString appName = QFileInfo(argv[0]).fileName();
QString appClass = appName.left(1).toUpper();
if (appName.length() > 1)
appClass += appName.right(appName.length() - 1);
// reserve memory for C strings
QByteArray arrName(appName.toLatin1());
QByteArray arrClass(appClass.toLatin1());
XClassHint class_hint;
class_hint.res_name = arrName.data();
class_hint.res_class = arrClass.data();
XSetClassHint(display, qDeclarativeViewInstance->effectiveWinId(), &class_hint);
}
}
#endif
}
return qApplicationInstance;
}
QDeclarativeView* MDeclarativeCachePrivate::qDeclarativeView()
{
QDeclarativeView *returnValue;
if (qDeclarativeViewInstance != 0) {
returnValue = qDeclarativeViewInstance;
qDeclarativeViewInstance = 0;
} else {
returnValue = new QDeclarativeView();
}
return returnValue;
}
void MDeclarativeCache::populate()
{
d_ptr->populate();
}
QApplication* MDeclarativeCache::qApplication(int &argc, char **argv)
{
return d_ptr->qApplication(argc, argv);
}
QDeclarativeView* MDeclarativeCache::qDeclarativeView()
{
return d_ptr->qDeclarativeView();
}