/*******************************************************************************

 * Copyright (c) 2009, 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - initial implementation

 *******************************************************************************/

#ifndef _SWTS60_H_

#define _SWTS60_H_

#include <QS60MainApplication>

#include <jni.h>

#include <e32cmn.h>

class QObject;

class TWsEvent;

/*

 * Specialisation of a Symbian application framework class. 

 */

class SwtQtS60MainApplication : public QS60MainApplication

    {

public:

    /*

     * This is needed to construct the Symbian application with the correct 

     * application id. 

     */

    TUid AppDllUid() const;

    };

namespace Java { namespace eSWT {

/*

 * SWT specific Symbian utility class. 

 */

class SymbianUtils

    {

    public:

    /*

     * Obtains the UI thread and calls back the given object in it. Also 

     * creates the Symbian application framework in the thread. 

     * @param aJniEnv The JNI environment of the calling thread

     * @param aRunner The Java object to call back in the UI thread

     * @param aUid The id to use for the Symbian application. 

     * @return symbian error code

     */

    static int startUI(JNIEnv* aJniEnv, jobject aRunner, jint aUid);

    /*

     * Called to initialise the calling thread as the UI thread. startUI might

     * or might have not been called to start the thread calling this

     * function. 

     * @param aJniEnv The JNI environment of the calling thread

     * @param aUid The id to use for the Symbian application. 

     * @return symbian error code

     */

    static int initUiThread(JNIEnv* aJniEnv, const TInt& aUid);

    /*

     * Called to clean-up the UI resources allocated by a call to initUiThread. 

     */

    static void cleanupUiThread();

    /*

     * Event filter for intercepting Symbian window server events. 

     */

    static bool eventFilter(QObject* object, const TWsEvent* aEvent);

    /*

     * Event filter for intercepting Symbian Resource change events. 

     */

    static bool eventFilter(QObject* object, const TInt aSymbianType, TInt aSwtType);

    /*

     * Temporary workaround to set the application title to the window group. 

     * Qt doesn't set this in QCoreApplication::setApplicationName. 

     */

    static void setAppName(JNIEnv* aJniEnv, jstring aName);

    /*

     * Returns Current screen device number 

     */

    static TInt GetScreenDeviceNumber();

    /*

     * Returns Color depth of the screen 

     */

    static TInt GetColorDepth();

    /*

     * Returns Available hardware inputs 

     */

    static TInt GetHwInputs();

    /*

     * Symbian application factory. Qt uses to create the Symbian application 

     * framework. 

     */

    static CApaApplication* NewApplication();

private:

    static void notifyThreadInitStatus(const TInt& aStatus, TThreadId aInitThreadId, TRequestStatus* aStatusPtr);

    static TInt uiThreadEntryPoint(TAny* aTlsData);

    static TInt supportThreadEntryPoint(TAny* aParams);

    static TInt trappedSupportThreadEntryPoint(TAny* aParams);

    static void startSupportThread(TAny* aParams);

    static void notifyUIThreadExit(JNIEnv* aEnv);

};

}}

#endif /* _SWTS60_H_ */