1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbServers module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #include <hbapplication.h>

    27 #include <hbmainwindow.h>

    28 #include <QMainWindow>

    29 #include <QDebug>

    30 

    31 #ifdef Q_OS_SYMBIAN

    32 #include <coemain.h>

    33 #endif

    34 

    35 /*

    36 * This application exists temporarily to preload some time-consuming graphics

    37 * when theme server is started in order to simulate the real scenario where

    38 * such graphics get loaded in the boot when first app is shown.

    39 * It creates more realistic results for the performance tests.

    40 */

    41 int main(int argc, char *argv[])

    42 {

    43     HbApplication app(argc, argv, Hb::NoSplash);

    44     // Create a mainwindow so its graphics get cached and next app startup is faster

    45     HbMainWindow window;

    46     window.show();

    47     

    48     qDebug() << "HB: HbIconPreloader started";

    49     

    50     // Render the window in a pixmap painter, it does not get drawn and icons do not get loaded

    51     // otherwise because the application runs in background.

    52     QImage image(1, 1, QImage::Format_ARGB32);

    53     QPainter painter(&image);

    54 

    55     window.render(&painter);

    56 

    57 #ifdef Q_OS_SYMBIAN

    58     // To avoid crash in app exit

    59     CCoeEnv::Static()->DisableExitChecks(true);

    60 #endif

    61 

    62     QApplication::processEvents(); // to prevent mysterious deadlocks when destroying the mainwindow

    63 

    64     // Exit the application

    65     return 0;

    66 }