/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Implementation of QMPXVideoPlaybackButtonBar

*

*/

#include <hbpushbutton.h>

#include "mpxvideo_debug.h"

#include "mpxvideoplaybackbuttonbar.h"

#include "mpxvideoplaybackviewfiledetails.h"

#include "mpxcommonvideoplaybackview.hrh"

#include "mpxvideoplaybackdocumentloader.h"

#include "mpxvideoplaybackcontrolscontroller.h"

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::QMPXVideoPlaybackButtonBar()

// -------------------------------------------------------------------------------------------------

//

QMPXVideoPlaybackButtonBar::QMPXVideoPlaybackButtonBar( 

        QMPXVideoPlaybackControlsController* controller )

    : mController( controller )

    , mInitialized( false )

{

    MPX_ENTER_EXIT(_L("QMPXVideoPlaybackButtonBar::QMPXVideoPlaybackButtonBar"));

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::~QMPXVideoPlaybackButtonBar()

// -------------------------------------------------------------------------------------------------

//

QMPXVideoPlaybackButtonBar::~QMPXVideoPlaybackButtonBar()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::~QMPXVideoPlaybackButtonBar()"));

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::initialize()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::initialize()

{

    MPX_ENTER_EXIT(_L("QMPXVideoPlaybackButtonBar::initialize()"));

    QMPXVideoPlaybackDocumentLoader *loader = mController->layoutLoader();

    //

    // Don't need to initialize buttons once it gets initialized

    //

    if ( loader && ! mInitialized )

    {

        mInitialized = true;

        //

        // RW button

        //

        QGraphicsWidget *widget = loader->findWidget( QString( "rwButton" ) );

        HbPushButton *rwButton = qobject_cast<HbPushButton*>( widget );

        connect( rwButton, SIGNAL( pressed() ), this, SLOT( startRWSeeking() ) ); 

        connect( rwButton, SIGNAL( released() ), this, SLOT( endSeeking() ) ); 

        mButtons.append( rwButton );

        //

        // Play button

        //

        widget = loader->findWidget( QString( "playButton" ) );

        HbPushButton *playButton = qobject_cast<HbPushButton*>( widget );

        connect( playButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( playButton, SIGNAL( released() ), this, SLOT( play() ) );

        mButtons.append( playButton );

        //

        // Pause button

        //

        widget = loader->findWidget( QString( "pauseButton" ) );

        HbPushButton *pauseButton = qobject_cast<HbPushButton*>( widget );

        connect( pauseButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( pauseButton, SIGNAL( released() ), this, SLOT( pause() ) );

        mButtons.append( pauseButton );

        //

        // FW button

        //

        widget = loader->findWidget( QString( "ffButton" ) );

        HbPushButton *ffButton = qobject_cast<HbPushButton*>( widget );

        connect( ffButton, SIGNAL( pressed() ), this, SLOT( startFFSeeking() ) ); 

        connect( ffButton, SIGNAL( released() ), this, SLOT( endSeeking() ) );

        mButtons.append( ffButton );

        //

        // Aspect ratio button

        //

        widget = loader->findWidget( QString( "naturalButton" ) );

        HbPushButton *naturalButton = qobject_cast<HbPushButton*>( widget );

        connect( naturalButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( naturalButton, SIGNAL( released() ), this, SLOT( changeAspectRatio() ) ); 

        mButtons.append( naturalButton );

        widget = loader->findWidget( QString( "stretchButton" ) );

        HbPushButton *stretchButton = qobject_cast<HbPushButton*>( widget );

        connect( stretchButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( stretchButton, SIGNAL( released() ), this, SLOT( changeAspectRatio() ) );

        mButtons.append( stretchButton );

        widget = loader->findWidget( QString( "zoomButton" ) );

        HbPushButton *zoomButton = qobject_cast<HbPushButton*>( widget );

        connect( zoomButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( zoomButton, SIGNAL( released() ), this, SLOT( changeAspectRatio() ) );

        mButtons.append( zoomButton );

        //

        // Details button

        //

        widget = loader->findWidget( QString( "detailsButton" ) );

        HbPushButton *detailsButton = qobject_cast<HbPushButton*>( widget );

        connect( detailsButton, SIGNAL( pressed() ), this, SLOT( handleButtonPressed() ) );

        connect( detailsButton, SIGNAL( released() ), this, SLOT( openDetailsView() ) );

        mButtons.append( detailsButton );

        for ( int i = 0 ; i < EMPXButtonCount ; i++ )

        {

            mButtons[i]->setFlag( QGraphicsItem::ItemIsFocusable, false );

        }

    }

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::play()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::play()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::play()"));

    mController->resetDisappearingTimers( EMPXTimerReset );

    mController->handleCommand( EMPXPbvCmdPlay );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::startFFSeeking()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::startFFSeeking()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::startFFSeeking()"));

    mButtons[EMPXButtonFF]->setSelected( true );

    mController->resetDisappearingTimers( EMPXTimerCancel );

    mController->handleCommand( EMPXPbvCmdSeekForward );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::startRWSeeking()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::startRWSeeking()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::startRWSeeking()"));

    mButtons[EMPXButtonRW]->setSelected( true );

    mController->resetDisappearingTimers( EMPXTimerCancel );

    mController->handleCommand( EMPXPbvCmdSeekBackward );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::endSeeking()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::endSeeking()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::endSeeking()"));

    mButtons[EMPXButtonFF]->setSelected( false );

    mButtons[EMPXButtonRW]->setSelected( false );

    mController->resetDisappearingTimers( EMPXTimerReset );

    mController->handleCommand( EMPXPbvCmdEndSeek );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::pause()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::pause()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::pause()"));

    mController->resetDisappearingTimers( EMPXTimerReset );

    mController->handleCommand( EMPXPbvCmdPause );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::changeAspectRatio()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::changeAspectRatio()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::changeAspectRatio()"));

    mController->resetDisappearingTimers( EMPXTimerReset );

    TMPXVideoPlaybackViewCommandIds cmd = EMPXPbvCmdNaturalAspectRatio;

    if ( mButtons[EMPXButtonStretch]->isVisible() )

    {

        cmd = EMPXPbvCmdStretchAspectRatio;

    }

    else if ( mButtons[EMPXButtonZoom]->isVisible() )

    {

        cmd = EMPXPbvCmdZoomAspectRatio;

    }

    mController->handleCommand( cmd );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::updateState()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::updateState( TMPXPlaybackState state )

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::updateState() state = %d"), state );

    switch ( state )

    {

        case EPbStatePlaying:

        {

            setEnabled( true );

            mButtons[EMPXButtonPlay]->setVisible( false );

            mButtons[EMPXButtonPause]->setVisible( true );

            break;

        }

        case EPbStatePaused:

        {

            setEnabled( true );

            mButtons[EMPXButtonPause]->setVisible( false );

            mButtons[EMPXButtonPlay]->setVisible( true );

            break;

        }

        case EPbStateNotInitialised:

        case EPbStateInitialising:

        case EPbStateBuffering:

        {

            setEnabled( false );

            break;

        }

    }

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::aspectRatioChanged()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::aspectRatioChanged( int aspectRatio )

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::aspectRatioChanged() aspectRatio = %d"), aspectRatio );

    switch( aspectRatio )

    {

        case EMMFNatural:

        {

            mButtons[EMPXButtonNatural]->setVisible( false );

            mButtons[EMPXButtonStretch]->setVisible( true );

            mButtons[EMPXButtonZoom]->setVisible( false );

            break;

        }

        case EMMFStretch:

        {

            mButtons[EMPXButtonNatural]->setVisible( false );

            mButtons[EMPXButtonStretch]->setVisible( false );

            mButtons[EMPXButtonZoom]->setVisible( true );

            break;

        }

        default:

        {

            mButtons[EMPXButtonNatural]->setVisible( true );

            mButtons[EMPXButtonStretch]->setVisible( false );

            mButtons[EMPXButtonZoom]->setVisible( false );

            break;

        }

    }

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::handleButtonPressed()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::handleButtonPressed()

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::handleButtonPressed()"));

    mController->resetDisappearingTimers( EMPXTimerCancel );

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::updateWithFileDetails()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::updateWithFileDetails(

        QMPXVideoPlaybackViewFileDetails* details )

{

    MPX_DEBUG(_L("QMPXVideoPlaybackButtonBar::updateWithFileDetails()"));

    if ( ! details->mVideoEnabled ||

           details->mVideoHeight <= 0 ||

           details->mVideoWidth <= 0 ||

           details->mTvOutConnected )

    {

        mButtons[EMPXButtonNatural]->setEnabled( false );

        mButtons[EMPXButtonStretch]->setEnabled( false );

        mButtons[EMPXButtonZoom]->setEnabled( false );

    }

    else

    {

        mButtons[EMPXButtonNatural]->setEnabled( true );

        mButtons[EMPXButtonStretch]->setEnabled( true );

        mButtons[EMPXButtonZoom]->setEnabled( true );

    }

    //

    // for audio-only clips and tv-out, default view is audionOnlyView

    // therefore, dim details button

    //

    if ( ! details->mVideoEnabled || details->mTvOutConnected )

    {

        mButtons[EMPXButtonDetails]->setEnabled( false );

    }

    else

    {

        mButtons[EMPXButtonDetails]->setEnabled( true );

    }

    if ( ! details->mSeekable || ( details->mTvOutConnected && ! details->mTvOutPlayAllowed ) )

    {

        mButtons[EMPXButtonRW]->setEnabled( false );

        mButtons[EMPXButtonFF]->setEnabled( false );

    }

    else

    {

        mButtons[EMPXButtonRW]->setEnabled( true );

        mButtons[EMPXButtonFF]->setEnabled( true );

    }

    if ( ! details->mPausableStream || ( details->mTvOutConnected && ! details->mTvOutPlayAllowed ) )

    {

        mButtons[EMPXButtonPause]->setEnabled( false );

    }

    else

    {

        mButtons[EMPXButtonPause]->setEnabled( true );

    }

    if ( details->mTvOutConnected && ! details->mTvOutPlayAllowed )

    {

        mButtons[EMPXButtonPlay]->setEnabled( false );

    }

    else

    {

        mButtons[EMPXButtonPlay]->setEnabled( true );

    }

    //

	// If it is audio only view, show the background of button

	//

    bool backgrondVisible = false;

    if ( mController->viewMode() == EAudioOnlyView )

    {

        backgrondVisible = true;

    }

    for ( int i = 0 ; i < EMPXButtonCount ; i++ )

    {

        QGraphicsItem* widget = mButtons[i]->primitive( HbStyle::P_PushButton_background );

        widget->setVisible( backgrondVisible );        

    }

}

// -------------------------------------------------------------------------------------------------

// QMPXVideoPlaybackButtonBar::openDetailsView()

// -------------------------------------------------------------------------------------------------

//

void QMPXVideoPlaybackButtonBar::openDetailsView()

{

    MPX_ENTER_EXIT(_L("QMPXVideoPlaybackButtonBar::openDetailsView()"));

    TPlaybackViewMode viewMode = mController->viewMode();

    if ( viewMode == EFullScreenView )

    {

        mController->changeViewMode( EDetailsView );

    }

}

//End of file