src/hbservers/hbsplashgenerator/main.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:09:54 +0300
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child 3 11d3954df52a
permissions -rw-r--r--
Revision: 201017 Kit: 201019
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/****************************************************************************
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**
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (developer.feedback@nokia.com)
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**
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** This file is part of the HbServers module of the UI Extensions for Mobile.
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at developer.feedback@nokia.com.
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**
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****************************************************************************/
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#include <QMainWindow>
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#include <QPushButton>
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#include <hbapplication.h>
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#include "hbsplashgenerator_p.h"
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#include "hbsplashdefs_p.h"
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#if defined(Q_OS_SYMBIAN)
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#include "hbsplashgen_server_symbian_p.h"
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#include "hbsplashdefs_p.h"
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#include <e32std.h>
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#include <eikenv.h>
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#include <apgwgnam.h>
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CApaApplication *appFactory()
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{
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    return new HbSplashGenApplication;
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}
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#endif
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int runMain(int argc, char **argv, void *mutexToSignal)
0
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{
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#if defined(Q_OS_SYMBIAN)
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    HbApplication app(appFactory, argc, argv, Hb::NoSplash);
0
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    CEikonEnv *env = CEikonEnv::Static();
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    if (env) {
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        CApaWindowGroupName *wgName = CApaWindowGroupName::NewLC(env->WsSession());
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        env->RootWin().SetOrdinalPosition(0, ECoeWinPriorityNeverAtFront); // avoid coming to foreground
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        wgName->SetHidden(ETrue); // hide from FSW, OOM fw, GOOM fw, etc.
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        wgName->SetSystem(ETrue); // allow only apps with PowerManagement cap to shut us down
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        wgName->SetCaptionL(hbsplash_server_name);
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        wgName->SetAppUid(KNullUid);
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        wgName->SetWindowGroupName(env->RootWin());
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        CleanupStack::PopAndDestroy();
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        RThread::RenameMe(hbsplash_server_name);
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    }
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#else
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    Q_UNUSED(mutexToSignal);
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    HbApplication app(argc, argv, Hb::NoSplash);
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#endif
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    qDebug("[hbsplashgenerator] initializing generator");
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    HbSplashGenerator gen;
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    bool forceRegen = false;
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    char **args = argv;
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    while (*++args) {
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        if (!qstrcmp(*args, "-forcegen")) {
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            forceRegen = true;
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            break;
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        }
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    }
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#if defined(Q_OS_SYMBIAN) || defined(HB_Q_WS_MAEMO)
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    app.setQuitOnLastWindowClosed(false);
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#else
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    qDebug("[hbsplashgenerator] initializing ui");
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    QMainWindow mw;
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    QPushButton *btnRegen = new QPushButton("Regenerate");
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    gen.connect(btnRegen, SIGNAL(clicked()), SLOT(uncachedRegenerate()));
0
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    mw.setCentralWidget(btnRegen);
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    mw.show();
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#endif
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    // The server must be initialized before calling HbSplashGenerator::start().
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#ifdef Q_OS_SYMBIAN
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    qDebug("[hbsplashgenerator] starting server");
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    HbSplashGenServer server(&gen);
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    // If there was an error (or an instance is already running (it is
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    // possible in certain race conditions)) then exit right away.
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    if (!server.startupSuccess()) {
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        qDebug("[hbsplashgenerator] exiting due to failed server startup");
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        return 0;
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    }
0
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#endif
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    qDebug("[hbsplashgenerator] starting generator");
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    gen.start(forceRegen);
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#if defined(Q_OS_SYMBIAN)
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    if (mutexToSignal) {
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        qDebug("[hbsplashgenerator] signaling mutex");
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        static_cast<RMutex *>(mutexToSignal)->Signal();
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    }
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#endif
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0
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    qDebug("[hbsplashgenerator] entering event loop");
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    int ret = app.exec();
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   111
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    qDebug("[hbsplashgenerator] exiting");
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    return ret;
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}
2
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   115
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int main(int argc, char **argv)
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{
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    bool canStart = true;
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    void *mutexToSignal = 0;
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#if defined(Q_OS_SYMBIAN)
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    RMutex mutex;
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    _LIT(KGlobalLockName, "hbsplgen");
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    bool mutexOk = mutex.OpenGlobal(KGlobalLockName) == KErrNone;
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    if (!mutexOk) {
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        mutexOk = mutex.CreateGlobal(KGlobalLockName) == KErrNone;
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    }
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    if (mutexOk) {
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        mutex.Wait();
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        mutexToSignal = &mutex;
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    } else {
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        qDebug("[hbsplashgenerator] failed to open/create mutex");
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    }
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    // Due to the mutex-based synchronization we should now be able to
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    // use TFindServer to safely check if there is another instance
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    // already running.
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    TFindServer findServer(hbsplash_server_name);
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    TFullName serverName;
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    if (findServer.Next(serverName) == KErrNone) {
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        qDebug("[hbsplashgenerator] found another instance, exiting");
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        canStart = false;
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        RProcess::Rendezvous(KErrAlreadyExists);
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    }
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#endif
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    int result = 0;
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    if (canStart) {
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        try {
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            result = runMain(argc, argv, mutexToSignal);
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        } catch (...) {
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            qDebug("[hbsplashgenerator] exiting due to exception in main()");
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        }
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    }
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#if defined(Q_OS_SYMBIAN)
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    if (mutexOk) {
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        if (mutex.IsHeld()) {
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            mutex.Signal();
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        }
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        mutex.Close();
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    }
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#endif
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    return result;
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}