sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #ifndef MMFSUBTITLEGRAPHICMESSAGE_H
sl@0: #define MMFSUBTITLEGRAPHICMESSAGE_H
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <s32strm.h>
sl@0: 
sl@0: /*
sl@0: Defines the message classes for communication between the MMF CRP 
sl@0: subtitle rendering client and the WSERV CRP graphic plug-in
sl@0: */
sl@0: 
sl@0: 
sl@0: enum TSubtitleGraphicMessage
sl@0: 	{
sl@0: 	ESubtitleCrpMessageInit 		= 10,
sl@0: 	ESubtitleCrpMessageInitSimple 	= 20,
sl@0: 	ESubtitleCrpMessageClear 		= 30,
sl@0: 	ESubtitleCrpMessageDrawFrame 	= 40,	
sl@0: 	ESubtitleCrpMessageSwapFrame 	= 50
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Base class for all CRP messages
sl@0: */
sl@0: class TSubtitleGraphicMessageBase
sl@0: {
sl@0: public:
sl@0: 	TSubtitleGraphicMessageBase(TSubtitleGraphicMessage aMsgType);
sl@0: 
sl@0: protected:
sl@0: 	TInt8 iMsgType;
sl@0: };
sl@0: 
sl@0: /**
sl@0: Initialise the CRP
sl@0: Passes two bitmap handles to the CRP
sl@0: @see CMMFSubtitleGraphic::Initialize(TInt aBuffer1, TInt aBuffer2);
sl@0: */
sl@0: class TSubtitleCrpMsgInit : public TSubtitleGraphicMessageBase
sl@0: 	{
sl@0: public:
sl@0: 	TSubtitleCrpMsgInit();
sl@0: 	TSubtitleCrpMsgInit(TInt aBitmapHandle1, TInt aBitmapHandle2);
sl@0: 
sl@0: public:
sl@0: 	TInt iBitmapHandle1;
sl@0: 	TInt iBitmapHandle2;
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Initialise the CRP
sl@0: @see CMMFSubtitleGraphic::Initialize()
sl@0: */
sl@0: class TSubtitleCrpMsgInitSimple : public TSubtitleGraphicMessageBase
sl@0: 	{
sl@0: public:
sl@0: 	TSubtitleCrpMsgInitSimple();
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Request that the CRP clears all content from the window
sl@0: @see CMMFSubtitleGraphic::Clear()
sl@0: */
sl@0: class TSubtitleCrpMsgClear : public TSubtitleGraphicMessageBase
sl@0: 	{
sl@0: public: 
sl@0: 	TSubtitleCrpMsgClear();
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Requests that the CRP draws a frame indicated by the CFBSBitmap handle provided
sl@0: @see CMMFSubtitleGraphic::DrawFrame(TInt aFrameHandle, TRect& aDirtyRegion,
sl@0:      TTimeIntervalMicroSeconds& aDisplayDuration)
sl@0: */
sl@0: class TSubtitleCrpMsgDrawFrame : public TSubtitleGraphicMessageBase
sl@0: 	{
sl@0: public:
sl@0: 	TSubtitleCrpMsgDrawFrame();
sl@0: 	TSubtitleCrpMsgDrawFrame(TInt aBitmapHandle, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
sl@0: 
sl@0: public:	
sl@0: 	TInt iBitmapHandle;
sl@0: 	TRect iDirtyRegion;
sl@0: 	TTimeIntervalMicroSeconds iDisplayDuration;
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: Request that the CRP draw the content in the current back buffer.  Assumes that the CRP
sl@0: has been intialized with TSubtitleCrpMsgInit
sl@0: @see CMMFSubtitleGraphic::SwapFrame(TInt aExpectedBuffer, 
sl@0:  	TTimeIntervalMicroSeconds& aDisplayDuration, const TRect& aDirtyRegion)
sl@0: */
sl@0: class TSubtitleCrpMsgRenderSwapFrame : public TSubtitleGraphicMessageBase
sl@0: 	{
sl@0: public:
sl@0: 	TSubtitleCrpMsgRenderSwapFrame();
sl@0: 	TSubtitleCrpMsgRenderSwapFrame(TInt aExpectedFrame, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
sl@0: 	
sl@0: public:
sl@0: 	TInt iExpectedFrame;
sl@0: 	TTimeIntervalMicroSeconds iDisplayDuration;
sl@0: 	TRect iDirtyRegion;
sl@0: 	};
sl@0: 	
sl@0: #endif