--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/src/Client/Video/mmfsubtitleutility.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,226 @@
+// Copyright (c) 2008-2009 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include "mmfsubtitleutility.h"
+
+
+CMMFSubtitleUtility* CMMFSubtitleUtility::NewL(RMMFController& aController, RWsSession &aWs)
+	{
+	CMMFSubtitleUtility* self = new(ELeave) CMMFSubtitleUtility(aController);
+	CleanupStack::PushL(self);
+	self->ConstructL(aWs);
+	CleanupStack::Pop();
+	return self;	
+	}
+
+CMMFSubtitleUtility::CMMFSubtitleUtility(RMMFController& aController): iSubtitleSupportCustomCommands(aController)
+	{
+	}
+
+void CMMFSubtitleUtility::ConstructL(RWsSession &aWs)
+	{
+	iDevice = new (ELeave) CWsScreenDevice(aWs);
+	User::LeaveIfError(iDevice->Construct());
+	iSubtitleGc = new (ELeave) CWindowGc(iDevice);
+	User::LeaveIfError(iSubtitleGc->Construct());
+	}
+
+CMMFSubtitleUtility::~CMMFSubtitleUtility()
+	{
+	delete iSubtitleGc;
+	delete iDevice;
+	iSubtitleLanguages.Close();
+	iCrpDataArray.Close();
+	}
+
+// Add subtitle related config to controller
+TInt CMMFSubtitleUtility::AddSubtitleConfig(const TMMFSubtitleWindowConfig& aConfig)
+	{
+	TCrpData crpData(aConfig.iWindowId);
+	// Add the crp data before calling custom commands in case append fails
+	TInt err = iCrpDataArray.Append(crpData);
+	if (KErrNone == err)
+		{
+		err = iSubtitleSupportCustomCommands.AddSubtitleConfig(aConfig);
+	
+		if (KErrNone != err)
+			{
+			// removed the added crp data on error
+			iCrpDataArray.Remove(iCrpDataArray.Count()-1);
+			}
+		}
+	
+	return err;
+	}
+
+// Found the index of the subtitle data in iCrpDataArray given aWindowId
+TInt CMMFSubtitleUtility::FindCrpArrayIndex(TInt aWindowId)
+	{
+	TInt ret = KErrNotFound;
+	for (TInt i = iCrpDataArray.Count(); --i >= 0; )
+		{
+		if (iCrpDataArray[i].iWindowId == aWindowId)
+			{
+			ret = i;
+			break;
+			}
+		}
+	return ret;
+	}
+
+// Remove subtitle related config from controller
+TInt CMMFSubtitleUtility::RemoveSubtitleConfig(TInt aWindowId)
+	{
+	TInt ret = FindCrpArrayIndex(aWindowId);
+	if (ret >= 0)
+		{		
+		iCrpDataArray.Remove(ret);
+		ret = iSubtitleSupportCustomCommands.RemoveSubtitleConfig(aWindowId);
+		}
+	return ret;
+	}
+
+// Update subtitle related config from controller and clear the subtitle region
+TInt CMMFSubtitleUtility::UpdateSubtitleConfig(const TMMFSubtitleWindowConfig& aConfig)
+	{
+	TInt ret = FindCrpArrayIndex(aConfig.iWindowId);
+	if (ret >= 0)
+		{
+		// clear the CRP id
+		iCrpDataArray[ret].iCrpId.Set(0);
+
+		ret = iSubtitleSupportCustomCommands.UpdateSubtitleConfig(aConfig);
+		}
+	return ret;
+	}
+
+// Return if subtitle is available
+TBool CMMFSubtitleUtility::SubtitlesAvailable(RMMFController& aController)
+	{
+	TBool available = EFalse;
+	RMMFVideoPlaySubtitleSupportCustomCommands subtitleSupportCustomCommands(aController);
+	subtitleSupportCustomCommands.GetSubtitlesAvailable(available);
+	return available;
+	}
+
+TInt CMMFSubtitleUtility::EnableSubtitles()
+	{
+	return iSubtitleSupportCustomCommands.EnableSubtitles();
+	}
+
+void CMMFSubtitleUtility::DisableSubtitles()
+	{
+	for (TInt i = iCrpDataArray.Count(); --i >= 0; )
+		{
+		iSubtitleSupportCustomCommands.RemoveSubtitleConfig(iCrpDataArray[i].iWindowId);
+		}
+
+	iCrpDataArray.Reset();
+	
+	// still need to send disable command to controller event if array count was 0
+	// because window may have been removed after subtitle is enabled
+	iSubtitleSupportCustomCommands.DisableSubtitles();
+	}
+
+// Helper function to draw CRP
+void CMMFSubtitleUtility::DrawCrp(RWindow& aWindow, TInt aCrpIdx, TBool aCallBeginRedraw)
+	{
+	TCrpData& crpData = iCrpDataArray[aCrpIdx];
+
+	if (crpData.iCrpId.Id() != 0)
+		{
+
+		if (aCallBeginRedraw)
+			{
+			// CRP is ready to be drawn
+			aWindow.Invalidate(crpData.iCrpRect);
+			aWindow.BeginRedraw(crpData.iCrpRect);
+			}
+		
+		iSubtitleGc->Activate(aWindow);
+		iSubtitleGc->DrawWsGraphic(crpData.iCrpId, crpData.iCrpRect);
+		iSubtitleGc->Deactivate();
+		
+		if (aCallBeginRedraw)
+			{
+			aWindow.EndRedraw();
+			}
+		}
+	}
+
+// Handle CRP ready event from controller and draw the CRP
+void CMMFSubtitleUtility::HandleCrpReady(RWindow& aWindow)
+	{
+	TInt index = FindCrpArrayIndex(aWindow.WsHandle());
+	if (index >= 0)
+		{
+		TCrpData& crpData = iCrpDataArray[index];
+		TInt err = iSubtitleSupportCustomCommands.GetCrpParameters(aWindow.WsHandle(), 
+																	crpData.iCrpId, 
+																	crpData.iCrpRect);
+
+		if (KErrNone == err)
+			{
+			DrawCrp(aWindow, index, ETrue);
+			}
+		else
+			{
+			// Window may have been removed before the event was received, ignore event
+			RDebug::Print(_L("CMMFSubtitleUtility::HandleCrpReady aWindowId=%d, err==%d"), aWindow.WsHandle(), err);
+			}
+		}
+	}
+
+// Redraw subtitle CRP if redraw rect intersect with subtitle region
+void CMMFSubtitleUtility::RedrawSubtitle(RWindow& aWindow, const TRect& aRedrawRect)
+	{
+	TInt index = FindCrpArrayIndex(aWindow.WsHandle());
+	if (index >= 0 && aRedrawRect.Intersects(iCrpDataArray[index].iCrpRect))
+		{
+		DrawCrp(aWindow, index, EFalse);
+		}
+	}
+
+TInt CMMFSubtitleUtility::SetSubtitleLanguage(TLanguage aSubtitleLanguage)
+	{
+	return iSubtitleSupportCustomCommands.SetSubtitleLanguage(aSubtitleLanguage);
+	}
+
+TArray<TLanguage> CMMFSubtitleUtility::SupportedSubtitleLanguagesL()
+	{
+	TRAPD(err, iSubtitleSupportCustomCommands.GetSupportedSubtitleLanguagesL(iSubtitleLanguages));
+	
+	// Do not propagate KErrNotSupported; return empty list of languages.
+	if (KErrNone != err && KErrNotSupported != err)
+		{
+		User::Leave(err);
+		}
+	return iSubtitleLanguages.Array();
+	}
+
+TLanguage CMMFSubtitleUtility::SubtitleLanguage()
+	{
+	TLanguage language = ELangNone;
+	
+	// ignore returned value, language parameter is unchanged on error
+	iSubtitleSupportCustomCommands.GetSubtitleLanguage(language);
+
+	return language;
+	}