// Copyright (c) 2005-2009 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:

// Part of the MVS Agents for TechView

//

#ifdef SYMBIAN_BUILD_GCE

#include <videoplayer2.h>

#include <surfaceeventhandler.h>

#endif

#include "videoplayagent.h"

/**

Constructs and initialises a new instance of the MVS video play agent

This function leaves if the video play agent object cannot be created.

@param  aObserver

        A client class to receive notifications from the video player.

@return A pointer to the new video play agent object.

*/

EXPORT_C CMVSVideoPlayAgent* CMVSVideoPlayAgent::NewL(MMVSClientObserver& aObserver)

	{

	CMVSVideoPlayAgent* self = new(ELeave) CMVSVideoPlayAgent(aObserver);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

void CMVSVideoPlayAgent::ConstructL()

	{

	User::LeaveIfError(iFileLogger.Connect());

    iFileLogger.CreateLog(_L("LogMVSappUi"),_L("LogFile.txt"),EFileLoggingModeAppend);

    }

/**

Destructor. Closes any open video clips and frees any resources held by the Video Player.

*/

EXPORT_C CMVSVideoPlayAgent::~CMVSVideoPlayAgent()

	{

#ifdef SYMBIAN_BUILD_GCE

    delete iVideoPlayer2;

    iVideoPlayer2 = NULL;

#endif  // SYMBIAN_BUILD_GCE

	delete iVideoPlayer;

	iVideoPlayer = NULL;

    if(iFileLogger.Handle())

     	{

     	iFileLogger.CloseLog();

	 	iFileLogger.Close();

     	}

    iFileName.Close();

    }

CMVSVideoPlayAgent::CMVSVideoPlayAgent(MMVSClientObserver& aObserver)

    : iObserver(aObserver),

      iControllerUid(KNullUid)

	{

	}

/**

Check if CVideoPlayerUtility2 is used for current video playback.

@return ETrue if CVideoPlayerUtility2 is used for video playback.  EFalse if 

        CVideoPlayerUtility is used.

*/

EXPORT_C TBool CMVSVideoPlayAgent::SupportVideoPlayerUtility2() const

    {

    if (iCurrentVideoPlayer == NULL)

        {            

        return EFalse;

        }

    if (iCurrentVideoPlayer == iVideoPlayer)

        {

        return EFalse;        

        }

    return ETrue;

    }

/**

Set the auto scale on the current video player for the specified window.

@see CVideoPlayerUtility

*/

#ifdef SYMBIAN_BUILD_GCE

EXPORT_C void CMVSVideoPlayAgent::SetAutoScaleL(RWindow& aWindow, TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos)

	{

	iVideoPlayer2->SetAutoScaleL(aWindow, aScaleType, aHorizPos, aVertPos);

#else

EXPORT_C void CMVSVideoPlayAgent::SetAutoScaleL(RWindow& aWindow, TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos)

	{

	User::Leave(KErrNotSupported);

#endif

	}

/**

Set the auto scale on the current video player.

@see CVideoPlayerUtility

*/

EXPORT_C void CMVSVideoPlayAgent::SetAutoScaleL(TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos)

	{

#ifdef SYMBIAN_BUILD_GCE

	iCurrentVideoPlayer->SetAutoScaleL(aScaleType, aHorizPos, aVertPos);

#else

	// Remove warnings

	aScaleType = aScaleType;

	aHorizPos = aHorizPos;

	aVertPos = aVertPos;

	User::Leave(KErrNotSupported);

#endif

	}

/**

Video output settings, pre initialisation of all the required settings to play a 

video clip

This function leaves if the video player utility object cannot be created.

@param  aObserver

        A client class to receive notifications from the video player.

@param  aPriority

        This client's relative priority. This is a value between EMdaPriorityMin and

        EMdaPriorityMax and represents a relative priority. A higher value indicates

        a more important request.

@param  aPref

        The required behaviour if a higher priority client takes over the sound output device.

        One of the values defined by TMdaPriorityPreference.

@param  aWs

        The window server session id.

@param  aScreenDevice

        The software device screen.

@param  aWindow

        The display window.

@param  aScreenRect

        The dimensions of the display window.

@param  aClipRect

        The area of the video clip to display in the window.

*/     

EXPORT_C void CMVSVideoPlayAgent::SetVideoOutputL(RWsSession& aWs,

                                                  CWsScreenDevice& aScreenDevice,

                                                  RWindow& aWindow,

                                                  TRect& aScreenRect,

                                                  TRect& aClipRect)

	{

	iFileLogger.Write(_L("SettingVideoOutput"));

#ifdef SYMBIAN_BUILD_GCE

    // if CVideoPlayerUtility2 is available, instantiate both CVideoPlayerUtility2 &

    // CVideoPlayerUtility, as it is not clear whether the controller used for a 

    // particular media file also supports the CVideoPlayerUtility2 API until OpenFileL

    // is called.  

	if (iVideoPlayer2)

	    {

        delete iVideoPlayer2;

        iVideoPlayer2 = NULL;

	    }

    iVideoPlayer2 = CVideoPlayerUtility2::NewL(*this, 

                                               EMdaPriorityNormal, 

    	                                       EMdaPriorityPreferenceNone);

#endif  // SYMBIAN_BUILD_GCE

	if (iVideoPlayer)

	    {

        delete iVideoPlayer;

        iVideoPlayer = NULL;

	    }	

    iVideoPlayer = CVideoPlayerUtility::NewL(*this, 

                                             EMdaPriorityNormal, 

    	                                     EMdaPriorityPreferenceNone, 

    	                                     aWs, 

    	                                     aScreenDevice,

    	                                     aWindow,

    	                                     aScreenRect,

    	                                     aClipRect);

	}

/**

Adds a new window for displaying the video picture.  This is only applicable if 

CVideoPlayerUtility2 is used.

This function leaves if the video player utility object failed to add display window or

if this function is called when CVideoPlayerUtility2 is not being used.

@param  aObserver

        A client class to receive notifications from the video player.

@param  aPriority

        This client's relative priority. This is a value between EMdaPriorityMin and

        EMdaPriorityMax and represents a relative priority. A higher value indicates

        a more important request.

@param  aPref

        The required behaviour if a higher priority client takes over the sound output device.

        One of the values defined by TMdaPriorityPreference.

@param  aWs

        The window server session id.

@param  aScreenDevice

        The software device screen.

@param  aWindow

        The display window.

@param  aScreenRect

        The dimensions of the display window.

@param  aClipRect

        The area of the video clip to display in the window.

@leave  KErrNotSupported if CVideoPlayerUtility2 is not the current video utility in use

@see    CVideoPlayerUtility2::AddDisplayWindowL       

*/     

#ifdef SYMBIAN_BUILD_GCE

EXPORT_C void CMVSVideoPlayAgent::AddDisplayWindowL(RWsSession& aWs,

                                                    CWsScreenDevice& aScreenDevice,

                                                    RWindow& aWindow,

                                                    const TRect& aScreenRect,

                                                    const TRect& aClipRect)

#else

EXPORT_C void CMVSVideoPlayAgent::AddDisplayWindowL(RWsSession& /* aWs */,

                                                    CWsScreenDevice& /* aScreenDevice */,

                                                    RWindow& /* aWindow */,

                                                    const TRect& /* aScreenRect */,

                                                    const TRect& /* aClipRect */)

#endif  // SYMBIAN_BUILD_GCE

    {

#ifdef SYMBIAN_BUILD_GCE

    if (SupportVideoPlayerUtility2())

        {

        iVideoPlayer2->AddDisplayWindowL(aWs, 

                                         aScreenDevice, 

                                         aWindow, 

                                         aScreenRect,

                                         aClipRect);

        iWindow = &aWindow;

#ifdef SYMBIAN_MULTIMEDIA_SUBTITLE_SUPPORT

        if (iEnableSubtitlesOnAdd)

        	{

        	iVideoPlayer2->EnableSubtitlesL();

        	iEnableSubtitlesOnAdd = EFalse;

        	}

#endif //SYMBIAN_MULTIMEDIA_SUBTITLE_SUPPORT

        return;

        }

#endif  // SYMBIAN_BUILD_GCE        

    User::Leave(KErrNotSupported);

    }

#ifdef SYMBIAN_BUILD_GCE

EXPORT_C void CMVSVideoPlayAgent::AddDisplayWindowL(RWsSession& aWs,

                                                    CWsScreenDevice& aScreenDevice,

                                                    RWindow& aWindow)

#else

EXPORT_C void CMVSVideoPlayAgent::AddDisplayWindowL(RWsSession& /* aWs */,

                                                    CWsScreenDevice& /* aScreenDevice */,

                                                    RWindow& /* aWindow */)

#endif  // SYMBIAN_BUILD_GCE

    {

#ifdef SYMBIAN_BUILD_GCE

    if (SupportVideoPlayerUtility2())

        {

        iVideoPlayer2->AddDisplayWindowL(aWs, 

                                         aScreenDevice, 

                                         aWindow);

        iWindow = &aWindow;

#ifdef SYMBIAN_MULTIMEDIA_SUBTITLE_SUPPORT

        if (iEnableSubtitlesOnAdd)

        	{

        	iVideoPlayer2->EnableSubtitlesL();

        	iEnableSubtitlesOnAdd = EFalse;

        	}

#endif //SYMBIAN_MULTIMEDIA_SUBTITLE_SUPPORT

        return;

        }

#endif  // SYMBIAN_BUILD_GCE        

    User::Leave(KErrNotSupported);

    }

EXPORT_C void CMVSVideoPlayAgent::AddDisplayL(RWsSession& aWs, TInt aDisplay, MMMFSurfaceEventHandler& aEventHandler)

	{

	if (!SupportVideoPlayerUtility2())

		{

		User::Leave(KErrNotSupported);

		}

	iVideoPlayer2->AddDisplayL(aWs, aDisplay, aEventHandler);

	}

/**

Removes a window that is currently being used to display the video picture.

This function should only be called if CVideoPlayerUtility2 is currently being used for display 

of video.

@param  aWindow

        The window to be removed

@leave  KErrNotSupported if CVideoPlayerUtility2 is not the current video player utility.

@see    CVideoPlayerUtility2::RemoveDisplayWindow

*/                                    

EXPORT_C void CMVSVideoPlayAgent::RemoveDisplayWindowL(RWindow& aWindow)

    {

#ifdef SYMBIAN_BUILD_GCE

    if (SupportVideoPlayerUtility2())

        {

        iVideoPlayer2->RemoveDisplayWindow(aWindow);

        iWindow = NULL;        

        return;

        }

#endif  // SYMBIAN_BUILD_GCE

	// Remove compiler warning

	aWindow = aWindow;        

    User::Leave(KErrNotSupported);

    }

EXPORT_C void CMVSVideoPlayAgent::RemoveDisplay(TInt aDisplay)

	{

	if (!SupportVideoPlayerUtility2())

		{

		User::Leave(KErrNotSupported);

		}

	iVideoPlayer2->RemoveDisplay(aDisplay);

	}

/**

Opens a video clip from a file.

This function opens a video clip from a file,this function searches through a list of all available

plugins and attempts to use each one until successful or the end of the list is reached.

Once the opening of the video clip is complete, successfully or otherwise, the callback function 

CMVSVideoPlayAgent::MvpuoOpenComplete() is called.

This function leaves if errors are encountered opening the specified video clip file, or in initialising a 

specified/unspecified controller plugin.

This function can leave with one of the specified error codes. 

@param  aFileName

        The full path name of the file containing the video data.

*/

EXPORT_C void CMVSVideoPlayAgent::OpenFileL(const TDesC& aFileName)

	{

    OpenFileL(aFileName, KNullUid);                

    }

EXPORT_C void CMVSVideoPlayAgent::OpenFileL(const TDesC& aFileName, TUid aControllerUid)

	{

	iFileLogger.Write(_L("Opening a File For CMVSVideoPlayAgent "));

	// remembers the file name & the controller Uid used for opening file

	iFileName.Close();

	iFileName.CreateL(aFileName);

	iControllerUid = aControllerUid;

    __ASSERT_DEBUG(iVideoPlayer, User::Leave(KErrNotReady));

    iVideoPlayer->Close();	

#ifdef SYMBIAN_BUILD_GCE

    __ASSERT_DEBUG(iVideoPlayer2, User::Leave(KErrNotReady));

    iVideoPlayer2->Close();

    // First attempt is always to open a file with CVideoPlayerUtility2 if GCE 

    // is enabled

    iVideoPlayer2->OpenFileL(aFileName, aControllerUid);

    iCurrentVideoPlayer = iVideoPlayer2;

#else

    iVideoPlayer->OpenFileL(aFileName, aControllerUid);

    iCurrentVideoPlayer = iVideoPlayer;

#endif  // SYMBIAN_BUILD_GCE	

	// Now that we have selected the video player, we can issue the request for notification.

	if (iRequestNotify)

		{

		RegisterForNotification();

		}

	} 

EXPORT_C void CMVSVideoPlayAgent::OpenFileL(TMMSource& /*aSource*/)

	{

	}

EXPORT_C void CMVSVideoPlayAgent::OpenDesL(const TDesC8& /*aDescriptor*/)

	{

	}

void CMVSVideoPlayAgent::MvpuoOpenComplete(TInt aError)

	{

	iFileLogger.Write(_L("CMVSVideoPlayAgent:MvpuoOpenComplete"));

	if(aError == KErrNone)

    	{

    	iState = EVideoOpening;

    	iFileLogger.Write(_L("MvpuoOpenComplete:VideoOpening"));

    	iObserver.UpdateStateChange(iState, KErrNone);

        iCurrentVideoPlayer->Prepare();            

    	}

#ifdef SYMBIAN_BUILD_GCE    	

    else if (iCurrentVideoPlayer == iVideoPlayer2 && aError == KErrNotSupported)

        {	

        // if the controller cannot support GS, try use CVideoPlayerUtility instead

        TRAPD(err, iVideoPlayer->OpenFileL(iFileName, iControllerUid));

        if (err != KErrNone)

        	{

        	iState = ENotReady; //init failed so from opening to NotReady

	     	iFileLogger.Write(_L("MvpuoOpenComplete:From Opening to  NotReady"));

	     	iObserver.UpdateStateChange(iState, err);

        	}

        iCurrentVideoPlayer = iVideoPlayer;

        // We are switching to a different controller.  Cancel the notification request on one

        // controller and reissue it on the other.

		if (iRequestNotify)

			{

			iVideoPlayer2->CancelRegisterAudioResourceNotification(KMMFEventCategoryAudioResourceAvailable);

			RegisterForNotification();

			}

        }

#endif  // SYMBIAN_BUILD_GCE    	        

    else            

		{

     	iState = ENotReady; //init failed so from opening to NotReady

     	iFileLogger.Write(_L("MvpuoOpenComplete:From Opening to  NotReady"));

     	iObserver.UpdateStateChange(iState, aError);

		}

	}

void CMVSVideoPlayAgent::MvpuoPrepareComplete(TInt aError)

	{

	iFileLogger.Write(_L("CMVSVideoPlayAgent:MvpuoPrepareComplete"));

	if(aError == KErrNone)

    	{

    	iState = EVideoOpened;

        iFileLogger.Write(_L("MvpuoPrepareComplete:Video Opened"));

    	}

    else

		{

     	iState = ENotReady; //prepare failed so from preparing to NotReady

     	iFileLogger.Write(_L("MvpuoPrepareComplete failed : from preparing to NotReady")) ;

		}

	iObserver.UpdateStateChange(iState, aError);

	}

void CMVSVideoPlayAgent::MvpuoPlayComplete(TInt aError)

	{

	if(aError == KErrNone)

    	{

    	iState = EVideoOpened;

    	iFileLogger.Write(_L("MvpuoPlayComplete:Video Opened"));

    	}

    else

		{

     	iState = ENotReady; //playcomplete failed so from playcomplete to NotReady

     	iFileLogger.Write(_L("MvpuoPlayComplete failed : from playcomplete to NotReady")) ;

		}

	iObserver.UpdateStateChange(iState, aError);

	}

void CMVSVideoPlayAgent::MvpuoFrameReady(class CFbsBitmap&, TInt)

	{

	}

void CMVSVideoPlayAgent::MvpuoEvent(const TMMFEvent& /*aEvent*/)

	{	

	}	

void CMVSVideoPlayAgent::MarncResourceAvailable(TUid aNotificationEventId, const TDesC8& aNotificationData)

	{

	if(aNotificationEventId == KMMFEventCategoryAudioResourceAvailable)

		{

		iObserver.MvsResourceNotification(aNotificationData);

		}

	}

EXPORT_C void CMVSVideoPlayAgent::Prepare()

	{	

    iCurrentVideoPlayer->Prepare();	

	}

/**

Closes the video clip.

Updates the state to ENotReady after closing

*/

EXPORT_C void CMVSVideoPlayAgent::Close()

	{

	iFileLogger.Write(_L("CMVSVideoPlayAgent Closed"));

#ifdef SYMBIAN_BUILD_GCE

    if (SupportVideoPlayerUtility2())

        {            	

        // Can't leave at this point, this will just remove the leave scan warning

        TRAP_IGNORE(RemoveDisplayWindowL(*iWindow));

        iVideoPlayer2->Close();

        }

#endif  // SYMBIAN_BUILD_GCE

    iVideoPlayer->Close();

	iObserver.UpdateStateChange(ENotReady, KErrNone);

    iCurrentVideoPlayer = NULL;	

	}

/**

Begins playback of the initialised video sample at the current volume and priority levels.

When playing of the video sample is complete, successfully or otherwise, the callback function

CMVSVideoPlayAgent::MvpuoPlayComplete() is called.Updates the current state to EVideoPlaying,

and once playing is over it updates the state to EVideoOpen.