videoplayback/videoplaybackviews/src/mpxvideoplaybackuserinputhandler.cpp
changeset 0 96612d01cf9f
child 8 ce5ada96ab30
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoplayback/videoplaybackviews/src/mpxvideoplaybackuserinputhandler.cpp	Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,705 @@
+/*
+* Copyright (c) 2008 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: 14 %
+
+
+// INCLUDE FILES
+#include <w32std.h> // RWindowBase
+#include <e32base.h>
+#include <StringLoader.h>
+#include <AknUtils.h>
+#include <eikclbd.h>
+#include <aknconsts.h>
+#include <AknUtils.h>
+#include <AknIconUtils.h>  // SetSize for the icons
+#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 <e32std.h>
+
+#ifdef __USERINPUTHANDLERSTIF__
+#include "videoplaybackcontainer_stub.h"
+#include "videoplaybackcontrol_stub.h"
+#include "hal_stub.h"
+#else
+#include "mpxvideoplaybackcontainer.h"
+#include "mpxvideoplaybackcontrol.h"
+#include <hal.h>
+#include <hal_data.h>
+#endif
+
+#include "mpxvideoplaybackcontrol.hrh"
+#include "mpxvideoplaybackuserinputhandler.h"
+
+#include <mpxvideoplaybackdefs.h>
+#include "mpxcommonvideoplaybackview.hrh"
+#include "mpxvideo_debug.h"
+
+
+// CONSTANTS
+const TInt KMPXMicroSecondsInASecond = 1000000;
+
+
+// ======== MEMBER FUNCTIONS =======================================================================
+
+// -------------------------------------------------------------------------------------------------
+// MPXVideoPlaybackUserInputHandler::CMPXVideoPlaybackUserInputHandler()
+// -------------------------------------------------------------------------------------------------
+//
+CMPXVideoPlaybackUserInputHandler::CMPXVideoPlaybackUserInputHandler(
+        CMPXVideoPlaybackContainer* aContainer)
+   : iContainer(aContainer)
+{
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::NewL()
+// -------------------------------------------------------------------------------------------------
+//
+CMPXVideoPlaybackUserInputHandler* CMPXVideoPlaybackUserInputHandler::NewL(
+        CMPXVideoPlaybackContainer* aContainer, TBool aTvOutConnected)
+{
+    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::NewL()"));
+
+    CMPXVideoPlaybackUserInputHandler* self =
+        new (ELeave) CMPXVideoPlaybackUserInputHandler( aContainer );
+    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 )
+            {
+                //
+                //  When the stop key is pressed from the remote control interface,
+                //  issue a softkey back so all views will exit the playback view.
+                //
+                TRAP_IGNORE( iContainer->HandleCommandL( EAknSoftkeyBack ) );
+            }
+            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(iContainer->HandleCommandL(EMPXPbvCmdPlayPause));
+            }
+            break;
+        }
+        case ERemConCoreApiPause:
+        {
+            TRAP_IGNORE(iContainer->HandleCommandL(EMPXPbvCmdPause));
+            break;
+        }
+        case ERemConCoreApiPlay:
+        {
+            if ( aButtonAct == ERemConCoreApiButtonClick )
+            {
+                TRAP_IGNORE(iContainer->HandleCommandL(EMPXPbvCmdPlay));
+            }
+            break;
+        }
+        default:
+            break;
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::HandleFastForward()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::HandleFastForward(TRemConCoreApiButtonAction aButtonAct)
+{
+    if (aButtonAct == ERemConCoreApiButtonPress)
+    {
+        TRAP_IGNORE(iContainer->HandleCommandL(EMPXPbvCmdSeekForward));
+    }
+    else if (aButtonAct == ERemConCoreApiButtonRelease)
+    {
+        TRAP_IGNORE(iContainer->HandleCommandL(EMPXPbvCmdEndSeek));
+    }
+}
+
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::HandleRewind()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::HandleRewind(TRemConCoreApiButtonAction aButtonAct)
+{
+    if (aButtonAct == ERemConCoreApiButtonPress)
+    {
+        TRAP_IGNORE(iContainer->HandleCommandL(EMPXPbvCmdSeekBackward));
+    }
+    else if (aButtonAct == ERemConCoreApiButtonRelease)
+    {
+        TRAP_IGNORE(iContainer->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( iContainer->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( iContainer->HandleCommandL( EMPXPbvCmdDecreaseVolume ) );
+            break;
+        }
+    }
+}
+
+
+// -------------------------------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::ProcessPointerEvent()
+// -------------------------------------------------------------------------------------------------
+//
+EXPORT_C void
+CMPXVideoPlaybackUserInputHandler::ProcessPointerEventL( CCoeControl* aControl,
+                                                         const TPointerEvent& aPointerEvent,
+                                                         TMPXVideoControlType aMPXControl )
+{
+    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::ProcessPointerEvent"));
+
+    switch (iProcessingInputType)
+    {
+        case EMpxVideoNone:
+        {
+            if (aPointerEvent.iType == TPointerEvent::EButton1Down && iForeground)
+            {
+                iProcessingInputType = EMpxVideoTouch;
+                if ( iTVOutConnected )
+                {
+                    RestartDisplayTimer();
+                }
+                ReRoutePointerEventL(aControl, aPointerEvent, aMPXControl);
+            }
+            break;
+        }
+        case EMpxVideoTouch:
+        {
+            if (aPointerEvent.iType != TPointerEvent::EButton1Down)
+            {
+                ReRoutePointerEventL(aControl, aPointerEvent, aMPXControl);
+
+                // reset the value only on pointer up event - but not on drag
+                if ( aPointerEvent.iType == TPointerEvent::EButton1Up )
+                {
+                    iProcessingInputType = EMpxVideoNone;
+                }
+            }
+            break;
+        }
+        default:
+        {
+            // user input is disallowed
+            break;
+        }
+    } // switch
+}
+
+
+// -------------------------------------------------------------------------------------------------
+// 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();
+                }
+                iContainer->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)
+                {
+                    iContainer->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;
+    }
+
+    iContainer->HandleCommandL( command );
+}
+
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackUserInputHandler::ReRoutePointerEventL()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::ReRoutePointerEventL(CCoeControl* aControl,
+                                                             const TPointerEvent& aPointerEvent,
+                                                             TMPXVideoControlType aMPXControl)
+{
+    MPX_DEBUG(_L("CMPXVideoPlaybackUserInputHandler::ReRoutePointerEventL()"));
+
+    if ( aMPXControl == EMpxVideoPlaybackContainer )
+    {
+        iContainer->DoHandlePointerEventL(aPointerEvent);
+    }
+    else if ( aMPXControl == EMpxVideoPlaybackControl )
+    {
+        static_cast<CMPXVideoPlaybackControl*>(aControl)->DoHandlePointerEventL(aPointerEvent);
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   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 );
+}
+
+// -----------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::EnableBacklight()
+// -----------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::EnableBacklight()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::EnableBacklight"));
+
+    // enable the backlight
+    HAL::Set( HALData::EBacklightState, 1 );
+}
+
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackUserInputHandler::HandleTVOutEvent()
+// -------------------------------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::HandleTVOutEvent(TBool aTVOutConnected)
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::HandleTVOutEvent"));
+
+    iTVOutConnected = aTVOutConnected;
+
+    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();
+    }
+    else
+    {
+        iDisplayTimer->Cancel();
+        EnableBacklight();
+    }
+}
+
+// -------------------------------------------------------------------------------------------------
+//   CMPXVideoPlaybackUserInputHandler::HandleDisplayTimeout
+// -------------------------------------------------------------------------------------------------
+//
+TInt CMPXVideoPlaybackUserInputHandler::HandleDisplayTimeout( TAny* aPtr )
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::HandleDisplayTimeout"));
+
+    static_cast<CMPXVideoPlaybackUserInputHandler*>(aPtr)->DisableBacklight();
+
+    return KErrNone;
+}
+
+// -----------------------------------------------------------------------------
+// CMPXVideoPlaybackUserInputHandler::RestartDisplayTimer
+// -----------------------------------------------------------------------------
+//
+void CMPXVideoPlaybackUserInputHandler::RestartDisplayTimer()
+{
+    MPX_ENTER_EXIT(_L("CMPXVideoPlaybackUserInputHandler::RestartDisplayTimer"));
+
+    // check if the display timer is running if so cancelit
+    if ( iDisplayTimer->IsActive() )
+    {
+        iDisplayTimer->Cancel();
+    }
+    else
+    {
+        // timeout has happened and the backlight is disabled
+        // enable the backlight
+        HAL::Set( HALData::EBacklightState, 1 );
+    }
+
+    TBool backlightState;
+    TInt ret = HAL::Get( HALData::EBacklightState, backlightState );
+
+    // Re start the display backlight timer
+    iDisplayTimer->Start( iDisplayTimeOut, iDisplayTimeOut,
+                          TCallBack( CMPXVideoPlaybackUserInputHandler::HandleDisplayTimeout, this ) );
+}
+
+// EOF