/*

* 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 VideoPlaybackProgressBar

*

*/

#include <QTimer>

#include <hbframeitem.h>

#include <hbframedrawer.h>

#include <hbprogressslider.h>

#include "mpxvideo_debug.h"

#include "videoplaybackprogressbar.h"

#include "videoplaybackdocumentloader.h"

#include "videoplaybackcontrolscontroller.h"

const int KSeekingTimeOut = 250;

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

// VideoPlaybackProgressBar::VideoPlaybackProgressBar

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

//

VideoPlaybackProgressBar::VideoPlaybackProgressBar(

        VideoPlaybackControlsController* controller )

    : mController( controller )

    , mDraggingPosition( 0 )

    , mSetPosition( -1 )

    , mNeedToResumeAfterSetPosition( false )

    , mInitialized( false )

    , mSliderDragging( false )

    , mLongTimeFormat( false )

    , mLiveStreaming( false )

    , mSeekingTimer( NULL )

{

    MPX_ENTER_EXIT(_L("VideoPlaybackProgressBar::VideoPlaybackProgressBar()"));

}

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

// VideoPlaybackProgressBar::~VideoPlaybackProgressBar

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

//

VideoPlaybackProgressBar::~VideoPlaybackProgressBar()

{

    MPX_ENTER_EXIT(_L("VideoPlaybackProgressBar::~VideoPlaybackProgressBar()"));

    if ( mSeekingTimer )

    {

        disconnect( mSeekingTimer, SIGNAL( timeout() ), this, SLOT( handleSeekingTimeout() ) );

        if ( mSeekingTimer->isActive() )

        {

            mSeekingTimer->stop();

        }

        delete mSeekingTimer;

        mSeekingTimer = NULL;

    }

}

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

// VideoPlaybackProgressBar::initialize

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

//

void VideoPlaybackProgressBar::initialize()

{

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

    HbExtendedLocale mLocale = HbExtendedLocale::system();

    VideoPlaybackDocumentLoader *loader = mController->layoutLoader();

    //

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

    //

    if ( loader && ! mInitialized )

    {

        mInitialized = true;

        mLiveStreaming =

                ( mController->fileDetails()->mPlaybackMode == EMPXVideoLiveStreaming )? true:false;

        //

        // Create a timer for seeking.

        // We will issue SetPosition every KSeekingTimeOut msec to show the current frame to user

        //

        mSeekingTimer = new QTimer();

        mSeekingTimer->setSingleShot( false );

        mSeekingTimer->setInterval( KSeekingTimeOut );

        connect( mSeekingTimer, SIGNAL( timeout() ), this, SLOT( handleSeekingTimeout() ) );

        //

        // progress slider

        //

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

        mProgressSlider = qobject_cast<HbProgressSlider*>( widget );

        connect( mProgressSlider, SIGNAL( sliderPressed() ), this, SLOT( handleSliderPressed() ) );

        connect( mProgressSlider, SIGNAL( sliderReleased() ), this, SLOT( handleSliderReleased() ) );

        connect( mProgressSlider, SIGNAL( sliderMoved( int ) ), this, SLOT( handleSliderMoved( int ) ) );

        connect( mProgressSlider, SIGNAL( trackPressed() ), this ,SLOT( handleSliderPressed() ) );

        connect( mProgressSlider, SIGNAL( trackReleased() ), this ,SLOT( handleSliderReleased() ) );

        //

        // If we init the progress bar after pp sends the duration informatin

        // we need to set the duration manually

        //

        durationChanged( (qreal)mController->fileDetails()->mDuration / (qreal)KPbMilliMultiplier );

        //

        // Set the position to 0 until we get position information

        //

        positionChanged( 0 );

        //

        // Set framedrawer for semi transparent background

        //

        HbFrameItem *frameItem = new HbFrameItem();

        frameItem->frameDrawer().setFrameGraphicsName( "qtg_fr_multimedia_trans" );

        frameItem->frameDrawer().setFrameType( HbFrameDrawer::NinePieces );

        frameItem->frameDrawer().setFillWholeRect( true );

        mProgressSlider->setBackgroundItem( frameItem );

    }

}

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

// VideoPlaybackProgressBar::durationChanged

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

//

void VideoPlaybackProgressBar::durationChanged( int duration )

{

    MPX_DEBUG(_L("VideoPlaybackControlsController::durationChanged duration = %d"), duration );

    if ( mLiveStreaming )

    {

        mDuration = 0;

        mProgressSlider->setMaxText( hbTrId( "txt_videos_slidervalue_live" ) );

    }

    else

    {

        mDuration = duration;

        if ( ( mDuration / 3600 ) > 0 )

        {

            mLongTimeFormat = true;

        }

        else

        {

            mLongTimeFormat = false;

        }

        mProgressSlider->setMaxText( valueToReadableFormat( mDuration ) );

    }

    mProgressSlider->setRange( 0, mDuration );

}

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

// VideoPlaybackProgressBar::positionChanged

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

//

void VideoPlaybackProgressBar::positionChanged( int position )

{

    MPX_DEBUG(_L("VideoPlaybackControlsController::positionChanged position = %d"), position );

    //

    // While dragging event, don't update old position information from mpx framework

    //

    if ( ! mSliderDragging )

    {

        updatePostion( position );

    }

}

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

// VideoPlaybackProgressBar::updatePostion

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

//

void VideoPlaybackProgressBar::updatePostion( int position )

{

    if ( position < 0 )

    {

        position = 0;

    }

    else if ( position > mDuration && ! mLiveStreaming )

    {

        position = mDuration;

    }

    MPX_DEBUG(_L("VideoPlaybackProgressBar::updatePostion position = %d"), position );

    mProgressSlider->setMinText( valueToReadableFormat( position ) );

    //

    // Don't need to set the slider for live streaming

    //

    if ( ! mLiveStreaming )

    {

        mProgressSlider->setSliderValue( position );

        mProgressSlider->setProgressValue( position );

    }

}

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

// VideoPlaybackProgressBar::valueToReadableFormat

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

//

QString VideoPlaybackProgressBar::valueToReadableFormat( int value )

{

    MPX_DEBUG(_L("VideoPlaybackControlsController::valueToReadableFormat value = %d"), value);

    QString str, hourString, minString, secString;

    int hours = value / 3600;

    value = value % 3600;

    int mins = value / 60;

    value = value % 60;

    int secs = value;

    //

    // show like this

    // 0:03, 10:03, 0:05:03, 12:12:12

    //

    if ( mins < 10 && mLongTimeFormat )

    {

        minString = mLocale.toString( 0 );

    }

    minString.append( mLocale.toString( mins ) );

    if ( secs < 10 )

    {

        secString = mLocale.toString( 0 );

    }

    secString.append( mLocale.toString( secs ) );

    //

    // Formatting

    //

    if ( mLongTimeFormat )

    {

        hourString = mLocale.toString( hours );

        str = hbTrId( "txt_videos_slidervalue_l1l2l3_2" )

                .arg( hourString ).arg( minString ).arg( secString );

    }

    else

    {

        str = hbTrId( "txt_videos_slidervalue_l1l2" ).arg( minString ).arg( secString );

    }

    return str;

}

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

// VideoPlaybackProgressBar::handleSliderPressed

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

//

void VideoPlaybackProgressBar::handleSliderPressed()

{

    MPX_ENTER_EXIT(_L("VideoPlaybackProgressBar::handleSliderPressed()"));

    mSliderDragging = true;

    mController->resetDisappearingTimers( ETimerCancel );

    //

    // Pause the playback if it's playing

    //

    if( mController->state() == EPbStatePlaying )

    {

        mNeedToResumeAfterSetPosition = true;

        mController->handleCommand( EMPXPbvCmdCustomPause );

    }

}

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

// VideoPlaybackProgressBar::handleSliderMoved

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

//

void VideoPlaybackProgressBar::handleSliderMoved( int value )

{

    MPX_DEBUG(_L("VideoPlaybackProgressBar::handleSliderMoved() position = %d"), value);

    updatePostion( value );

    //

    // If the slider is dragging, start the timer and seek every KSeekingTimeOut msec

    //

    if ( mSliderDragging )

    {

        mDraggingPosition = value;

        MPX_DEBUG(_L("VideoPlaybackProgressBar::handleSliderMoved() mDraggingPosition = %d"), mDraggingPosition);

        if ( mSeekingTimer && ! mSeekingTimer->isActive() )

        {

            mSeekingTimer->start();

        }

    }

    else

    {

        if ( value >= mDuration )

        {

            MPX_DEBUG(_L("VideoPlaybackProgressBar::setPosition() reached end of the clip"));

            mController->handleCommand( EMPXPbvCmdEndOfClip );

        }

        else

        {

            value = mProgressSlider->sliderValue();

            MPX_DEBUG(_L("VideoPlaybackProgressBar::setPosition() position = %d"), value);

            mController->handleCommand( EMPXPbvCmdSetPosition, value );

        }

    }

}

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

// VideoPlaybackProgressBar::handleSliderReleased

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

//

void VideoPlaybackProgressBar::handleSliderReleased()

{

    MPX_ENTER_EXIT(_L("VideoPlaybackProgressBar::handleSliderReleased()"));

    mSliderDragging = false;

    if ( mSeekingTimer && mSeekingTimer->isActive() )

    {

        mSeekingTimer->stop();

    }

    mController->resetDisappearingTimers( ETimerReset );

    int value = mProgressSlider->sliderValue();

    if ( value >= mDuration )

    {

        MPX_DEBUG(_L("VideoPlaybackProgressBar::setPosition() reached end of the clip"));

        mController->handleCommand( EMPXPbvCmdEndOfClip );

    }

    else

    {

        if ( value < 0 )

        {

            value = 0;

        }

        MPX_DEBUG(_L("VideoPlaybackProgressBar::setPosition() position = %d"), value);

        mController->handleCommand( EMPXPbvCmdSetPosition, value );

        //

        // Resume if it was playing

        //

        if( mNeedToResumeAfterSetPosition )

        {

            mNeedToResumeAfterSetPosition = false;

            mController->handleCommand( EMPXPbvCmdCustomPlay );

        }

    }

}

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

// VideoPlaybackProgressBar::updateWithFileDetails()

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

//

void VideoPlaybackProgressBar::updateWithFileDetails(

        VideoPlaybackViewFileDetails* details )

{

    Q_UNUSED( details );

    MPX_DEBUG(_L("VideoPlaybackProgressBar::updateControlsWithFileDetails()"));

    setEnableProgressSlider( true );

    mProgressSlider->backgroundItem()->setVisible(

            ( mController->viewMode() == EFullScreenView )? ETrue:EFalse );

}

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

// VideoPlaybackProgressBar::updateState()

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

//

void VideoPlaybackProgressBar::updateState( TMPXPlaybackState state )

{

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

    switch ( state )

    {

        case EPbStatePlaying:

        case EPbStatePaused:

        {

            setEnableProgressSlider( true );

            break;

        }

        default:

        {

            setEnableProgressSlider( false );

            break;

        }

    }

}

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

// VideoPlaybackProgressBar::handleSeekingTimeout()

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

//

void VideoPlaybackProgressBar::handleSeekingTimeout()

{

    if ( mDraggingPosition >= mDuration )

    {

        mDraggingPosition = mDuration;

    }

    else if( mDraggingPosition < 0 )

    {

        mDraggingPosition = 0;

    }

    MPX_DEBUG(_L("VideoPlaybackProgressBar::handleSeekingTimeout() Dragging pos = %d, Set pos = %d")

            , mDraggingPosition, mSetPosition );

    if ( mSetPosition != mDraggingPosition )

    {

        mSetPosition = mDraggingPosition;

        mController->handleCommand( EMPXPbvCmdSetPosition, mSetPosition );

    }

}

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

// VideoPlaybackProgressBar::setEnableProgressSlider()

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

//

void VideoPlaybackProgressBar::setEnableProgressSlider( bool enable )

{

    MPX_DEBUG(_L("VideoPlaybackProgressBar::setEnableProgressSlider() enable = %d"), enable);

    if ( ! enable ||

         ! mController->fileDetails()->mPausableStream ||

         ! mController->fileDetails()->mSeekable )

    {

        if ( mProgressSlider->isEnabled() )

        {

            mProgressSlider->setEnabled( false );

        }

    }

    else if ( ! mProgressSlider->isEnabled() )

    {

        mProgressSlider->setEnabled( true );

    }

}

//End of file