/*

* 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 playback view's input handler

*

*/

// Version : %version: 7 %

// INCLUDE FILES

#include <e32std.h>

#include <w32std.h> // RWindowBase

#include <e32base.h>

#include <eikclbd.h>

#include <aknconsts.h>

#include <remconcoreapi.h>

#include <remconcoreapitarget.h>

#include <remconinterfaceselector.h> // Side volume key

#include <mpxplaybackframeworkdefs.h>

#include <centralrepository.h>  // for peripheral display timeout setting

#include <settingsinternalcrkeys.h> // display timeout setting keys

#include <hwrmlightdomaincrkeys.h>

#include <mpxvideoplaybackdefs.h>

#include <hal.h>

#include <hal_data.h>

#include "mpxvideo_debug.h"

#include "mpxvideoviewwrapper.h"

#include "mpxcommonvideoplaybackview.hrh"

#include "mpxvideoplaybackuserinputhandler.h"

// CONSTANTS

const TInt KMPXMicroSecondsInASecond = 1000000;

// ======== MEMBER FUNCTIONS =======================================================================

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

// MPXVideoPlaybackUserInputHandler::CMPXVideoPlaybackUserInputHandler()

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

//

CMPXVideoPlaybackUserInputHandler::CMPXVideoPlaybackUserInputHandler( CMPXVideoViewWrapper* aWrapper )

   : iViewWrapper( aWrapper )

{

}

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

// CMPXVideoPlaybackUserInputHandler::NewL()

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

//

CMPXVideoPlaybackUserInputHandler* CMPXVideoPlaybackUserInputHandler::NewL(

        CMPXVideoViewWrapper* aWrapper, TBool aTvOutConnected )

{

    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::NewL()"));

    CMPXVideoPlaybackUserInputHandler* self =

        new (ELeave) CMPXVideoPlaybackUserInputHandler( aWrapper );

    CleanupStack::PushL( self );

    self->ConstructL( aTvOutConnected );

    CleanupStack::Pop();

    return self;

}

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

// CMPXVideoPlaybackUserInputHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CMPXVideoPlaybackUserInputHandler::ConstructL( TBool aTvOutConnected )

{

    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::ConstructL()"));

    iVolumeRepeatTimer = CPeriodic::NewL( CActive::EPriorityStandard );

    iDisplayTimer = CPeriodic::NewL( CPeriodic::EPriorityStandard );

    iInterfaceSelector = CRemConInterfaceSelector::NewL();

    iCoreTarget = CRemConCoreApiTarget::NewL( *iInterfaceSelector, *this );

    iTVOutConnected = aTvOutConnected;

    // Start the timer if TV out is connected

    if ( iTVOutConnected )

    {                

        // Get the display light time-out value from CenRep 

        CRepository* repository = CRepository::NewLC( KCRUidLightSettings  );

        // What's the timeout value (in seconds ) for the display light?

        repository->Get( KDisplayLightsTimeout, iDisplayTimeOut );

        MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::ConstructL Display Timeout( %d )"), iDisplayTimeOut);

        CleanupStack::PopAndDestroy( repository );

        // Convert the timeout value to microseconds

        iDisplayTimeOut *= KMPXMicroSecondsInASecond;

        RestartDisplayTimer();

    }

    // not detrimental if Media Keys dont work - so ignore any errors here

    TRAP_IGNORE( iInterfaceSelector->OpenTargetL() );

    iProcessingInputType = EMpxVideoNone;

    iForeground = ETrue;

}

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

// CMPXVideoPlaybackUserInputHandler::~CMPXVideoPlaybackUserInputHandler()

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

//

CMPXVideoPlaybackUserInputHandler::~CMPXVideoPlaybackUserInputHandler()

{

    if ( iVolumeRepeatTimer )

    {

        iVolumeRepeatTimer->Cancel();

        delete iVolumeRepeatTimer;

    }

    if ( iDisplayTimer )

    {

        iDisplayTimer->Cancel();

        delete iDisplayTimer;

    }

    if ( iInterfaceSelector )

    {

        delete iInterfaceSelector;

        iCoreTarget = NULL;

        iInterfaceSelector = NULL;

    }

    // make sure that backlight enabled when 

    // the view updates or deactivates

    EnableBacklight();

}

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

// CMPXVideoPlaybackUserInputHandler::MrccatoPlay()

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

//

void CMPXVideoPlaybackUserInputHandler::MrccatoPlay( TRemConCoreApiPlaybackSpeed /*aSpeed*/,

                                                     TRemConCoreApiButtonAction aButtonAct )

{

    MPX_ENTER_EXIT(

        _L("CMPXVideoPlaybackUserInputHandler::MrccatoPlay"),

        _L("aButtonAct = %d"), aButtonAct );

    ProcessMediaKey(ERemConCoreApiPlay, aButtonAct);

}

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

// CMPXVideoPlaybackUserInputHandler::MrccatoCommand()

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

//

void CMPXVideoPlaybackUserInputHandler::MrccatoCommand(TRemConCoreApiOperationId aOperationId,

                                                       TRemConCoreApiButtonAction aButtonAct )

{

    MPX_ENTER_EXIT(

        _L("CMPXVideoPlaybackUserInputHandler::MrccatoCommand"),

        _L("aButtonAct = %d"), aButtonAct );

    ProcessMediaKey(aOperationId, aButtonAct);

}

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

// CMPXVideoPlaybackUserInputHandler::DoHandleMediaKey()

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

//

void CMPXVideoPlaybackUserInputHandler::DoHandleMediaKey( TRemConCoreApiOperationId aOperationId,

                                                          TRemConCoreApiButtonAction aButtonAct )

{

    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::DoHandleMediaKey()"));

    switch ( aOperationId )

    {

        case ERemConCoreApiStop:

        {

            if ( aButtonAct == ERemConCoreApiButtonClick )

            {

                TRAP_IGNORE(iViewWrapper->HandleCommandL( EMPXPbvCmdStop ));

            }

            break;

        }

        case ERemConCoreApiRewind:

        {

            HandleRewind(aButtonAct);

            break;

        }

        case ERemConCoreApiFastForward:

        {

            HandleFastForward(aButtonAct);

            break;

        }

        case ERemConCoreApiVolumeUp:

        {

            HandleVolumeUp(aButtonAct);

            break;

        }

        case ERemConCoreApiVolumeDown:

        {

            HandleVolumeDown(aButtonAct);

            break;

        }

        case ERemConCoreApiPausePlayFunction:

        {

            if ( aButtonAct == ERemConCoreApiButtonClick )

            {

                TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdPlayPause));

            }

            break;

        }

        case ERemConCoreApiPause:

        {

            TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdPause));

            break;

        }

        case ERemConCoreApiPlay:

        {

            if ( aButtonAct == ERemConCoreApiButtonClick )

            {

                TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdPlay));

            }

            break;

        }

        default:

            break;

    }

}

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

// CMPXVideoPlaybackUserInputHandler::HandleFastForward()

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

//

void CMPXVideoPlaybackUserInputHandler::HandleFastForward(TRemConCoreApiButtonAction aButtonAct)

{

    if (aButtonAct == ERemConCoreApiButtonPress)

    {

        TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdSeekForward));

    }

    else if (aButtonAct == ERemConCoreApiButtonRelease)

    {

        TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdEndSeek));

    }

}

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

// CMPXVideoPlaybackUserInputHandler::HandleRewind()

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

//

void CMPXVideoPlaybackUserInputHandler::HandleRewind(TRemConCoreApiButtonAction aButtonAct)

{

    if (aButtonAct == ERemConCoreApiButtonPress)

    {

        TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdSeekBackward));

    }

    else if (aButtonAct == ERemConCoreApiButtonRelease)

    {

        TRAP_IGNORE(iViewWrapper->HandleCommandL(EMPXPbvCmdEndSeek));

    }

}

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

// CMPXVideoPlaybackUserInputHandler::HandleVolumeUp()

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

//

void CMPXVideoPlaybackUserInputHandler::HandleVolumeUp(TRemConCoreApiButtonAction aButtonAct)

{

    switch ( aButtonAct )

    {

        case ERemConCoreApiButtonPress:

        {

            // Volume Up - Pressed

            if ( iVolumeRepeatTimer->IsActive() )

            {

                iVolumeRepeatTimer->Cancel();

            }

            iVolumeRepeatUp = ETrue;

            iVolumeRepeatTimer->Start(

                KAknStandardKeyboardRepeatRate,

                KAknStandardKeyboardRepeatRate,

                TCallBack(

                    CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatTimeoutL,

                    this ) );

            break;

        }

        case ERemConCoreApiButtonRelease:

        {

            // Volume Up - Released

            iVolumeRepeatTimer->Cancel();

            break;

        }

        case ERemConCoreApiButtonClick:

        {

            // Volume Up - Clicked

            TRAP_IGNORE( iViewWrapper->HandleCommandL( EMPXPbvCmdIncreaseVolume ) );

            break;

        }

    }

}

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

// CMPXVideoPlaybackUserInputHandler::HandleVolumeDown()

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

//

void CMPXVideoPlaybackUserInputHandler::HandleVolumeDown(TRemConCoreApiButtonAction aButtonAct)

{

    switch ( aButtonAct )

    {

        case ERemConCoreApiButtonPress:

        {

            // Volume Up - Pressed

            if ( iVolumeRepeatTimer->IsActive() )

            {

                iVolumeRepeatTimer->Cancel();

            }

            iVolumeRepeatUp = EFalse;

            iVolumeRepeatTimer->Start(

                KAknStandardKeyboardRepeatRate,

                KAknStandardKeyboardRepeatRate,

                TCallBack(

                    CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatTimeoutL,

                    this ) );

            break;

        }

        case ERemConCoreApiButtonRelease:

        {

            // Volume Up - Released

            iVolumeRepeatTimer->Cancel();

            break;

        }

        case ERemConCoreApiButtonClick:

        {

            // Volume Down - Clicked

            TRAP_IGNORE( iViewWrapper->HandleCommandL( EMPXPbvCmdDecreaseVolume ) );

            break;

        }

    }

}

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

// CMPXVideoPlaybackUserInputHandler::ProcessKeyEvent()

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

//

void CMPXVideoPlaybackUserInputHandler::ProcessKeyEventL( const TKeyEvent& /*aKeyEvent*/,

                                                          TEventCode /*aType*/ )

{

    MPX_DEBUG(_L("MPXVideoPlaybackUserInputHandler::ProcessKeyEvent"));

    /*

    switch (iProcessingInputType)

    {

        case EMpxVideoNone:

        {

            if (aType == EEventKeyDown && iForeground)

            {

                iProcessingInputType = EMpxVideoKeyboard;

                iLastPressedKeyCode = aKeyEvent.iCode;

                iLastPressedKeyScanCode = aKeyEvent.iScanCode;

                if ( iTVOutConnected )

                {    

                    RestartDisplayTimer();

                }

                iViewWrapper->DoHandleKeyEventL( aKeyEvent, aType );

            }

            break;

        }

        case EMpxVideoKeyboard:

        {

            if (aType == EEventKeyUp)

            {

                // only handle up event for the key being handled

                // ignore spurious key presses

                if (aKeyEvent.iCode == iLastPressedKeyCode  &&

                    aKeyEvent.iScanCode == iLastPressedKeyScanCode)

                {

                    iViewWrapper->DoHandleKeyEventL( aKeyEvent, aType );

                    // reset the value only on key up event

                    iProcessingInputType = EMpxVideoNone;

                }

            }

            break;

        }

        default:

        {

            // user input is disallowed

            break;

        }

    } // switch*/

}

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

// CMPXVideoPlaybackUserInputHandler::ProcessMediaKey()

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

//

void CMPXVideoPlaybackUserInputHandler::ProcessMediaKey(TRemConCoreApiOperationId aOperationId,

                                       					TRemConCoreApiButtonAction aButtonAct)

{

    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::ProcessMediaKey"));

    switch (iProcessingInputType)

    {

        case EMpxVideoNone:

        {

            if (aButtonAct == ERemConCoreApiButtonPress && iForeground)

            {

                iProcessingInputType = EMpxVideoMediaKeys;

                iLastMediaKeyPressed = aOperationId;

                DoHandleMediaKey(aOperationId, aButtonAct);

                if ( iTVOutConnected )

                {    

                    RestartDisplayTimer();

                }

            }

            else if (aButtonAct == ERemConCoreApiButtonClick && iForeground)

            {

                DoHandleMediaKey(aOperationId, aButtonAct);

                if ( iTVOutConnected )

                {    

                    RestartDisplayTimer();

                }

                // reset on click AND/OR release

                iProcessingInputType = EMpxVideoNone;

            }

            break;

        }

        case EMpxVideoMediaKeys:

        {

            if (aButtonAct == ERemConCoreApiButtonRelease)

            {

                // handle only if this release is for media-key being currently handled

                // ignore spurious media key presses

                if (iLastMediaKeyPressed == aOperationId)

                {

                    DoHandleMediaKey(aOperationId, aButtonAct);

                    // reset on click AND/OR release

                    iProcessingInputType = EMpxVideoNone;

                }

            }

            break;

        }

        default:

        {

            // user input is disallowed

            break;

        }

    } // switch

}

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

//   CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatTimeoutL()

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

//

TInt CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatTimeoutL( TAny* aPtr )

{

    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatTimeoutL()"));

    static_cast<CMPXVideoPlaybackUserInputHandler*>(aPtr)->HandleVolumeRepeatL();

    return KErrNone;

}

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

//   CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatL()

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

//

void CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatL()

{

    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::HandleVolumeRepeatL()"));

    TMPXVideoPlaybackViewCommandIds command = EMPXPbvCmdDecreaseVolume;

    if ( iVolumeRepeatUp )

    {

        command = EMPXPbvCmdIncreaseVolume;

    }

    iViewWrapper->HandleCommandL( command );

}

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

//   CMPXVideoPlaybackUserInputHandler::SetForeground()

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

//

void CMPXVideoPlaybackUserInputHandler::SetForeground(TBool aForeground)

{

    iForeground = aForeground;

    if ( !iForeground )

    {

        // we are in background so reset iProcessingInputType value

        iProcessingInputType = EMpxVideoNone;

    }

}

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

// CMPXVideoPlaybackUserInputHandler::DisableBacklight()

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

//

void CMPXVideoPlaybackUserInputHandler::DisableBacklight()

{

    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::DisableBacklight"));

    // cancel the timer

    iDisplayTimer->Cancel(); 

    // disable the backlight

    HAL::Set( HALData::EBacklightState, 0 );

}