videofeeds/vcnsuiengine/src/vcxnsstreaminghandler.cpp
changeset 0 96612d01cf9f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videofeeds/vcnsuiengine/src/vcxnsstreaminghandler.cpp	Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,374 @@
+/*
+* 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 the License "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:   Streaming handler*
+*/
+
+
+// Version : %version: 8 %
+
+#include <eikon.hrh>
+#include <avkon.hrh>
+#include <mpxmessage.h>
+#include <mpxmessage2.h>
+#include <mpxcommand.h>
+#include <mpxcommandgeneraldefs.h>
+#include <mpxmessagegeneraldefs.h>
+#include <mpxplaybackmessage.h>
+#include <mpxplaybackutility.h>
+#include <mpxcollectionmessage.h>
+#include <mpxmediageneraldefs.h>
+#include <mpxcollectionmessagedefs.h>
+#include <vcxmyvideosdefs.h>
+
+#include "IptvDebug.h"
+#include "vcxnsstreaminghandler.h"
+#include "vcxnscontent.h"
+#include "vcxnsuiengine.h"
+#include "vcxnscontentprovider.h"
+
+// Get spec for this.
+const TInt KMinIntervalFromBegin    = 1000; // 1 sec
+const TInt KMinIntervalFromEnd      = 5000; // 5 sec
+
+// -----------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::CVcxNsStreamingHandler
+// -----------------------------------------------------------------------------
+//
+CVcxNsStreamingHandler::CVcxNsStreamingHandler( CVcxNsUiEngine& aUiEngine ) :
+    iUiEngine ( aUiEngine )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::NewL
+// -----------------------------------------------------------------------------
+//
+CVcxNsStreamingHandler* CVcxNsStreamingHandler::NewL( CVcxNsUiEngine& aUiEngine )
+    {
+    CVcxNsStreamingHandler* self = new( ELeave) CVcxNsStreamingHandler( aUiEngine );
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::ConstructL()
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::ConstructL");
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::ConstructL");
+    }
+
+// -----------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::~CVcxNsStreamingHandler
+// -----------------------------------------------------------------------------
+//
+CVcxNsStreamingHandler::~CVcxNsStreamingHandler()
+    {
+    HandleCloseStream();
+    
+    if ( iPlaybackUtility )
+        {
+        TRAP_IGNORE( iPlaybackUtility->RemoveObserverL( *this ) );
+        iPlaybackUtility->Close();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// From MMPXPlaybackObserver
+// Handle playback message.
+// ---------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandlePlaybackMessage");
+    
+    if ( aError == KErrNone && aMessage )
+        {
+        TRAP_IGNORE( DoHandlePlaybackMessageL( *aMessage ) );
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandlePlaybackMessage");
+    }
+
+// ---------------------------------------------------------------------------
+// Handle playback message.
+// ---------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::DoHandlePlaybackMessageL( const CMPXMessage& aMessage )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::DoHandlePlaybackMessageL");
+
+    TMPXMessageId id( *aMessage.Value< TMPXMessageId >( KMPXMessageGeneralId ) );
+
+    IPTVLOGSTRING2_LOW_LEVEL("CVcxNsStreamingHandler::DoHandlePlaybackMessageL TMPXMessageId = 0x%08x", id );
+
+    if ( KMPXMessageGeneral == id )
+        {
+        TInt event = *aMessage.Value<TInt>( KMPXMessageGeneralEvent );
+        
+        IPTVLOGSTRING2_LOW_LEVEL("CVcxNsStreamingHandler::DoHandlePlaybackMessageL: event = %d", event );
+        
+        switch ( event )
+        {
+            case TMPXPlaybackMessage::EPropertyChanged:
+                {
+                HandlePropertyChangedL( aMessage );
+                }
+                break;
+            case TMPXPlaybackMessage::EStateChanged:
+                {
+                HandleStateChangedL( aMessage );
+                }
+                break;
+            default:
+                break;
+            }
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::DoHandlePlaybackMessageL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandleStateChangedL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandleStateChangedL( const CMPXMessage& aMessage )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandleStateChangedL");
+    
+    if ( iContent && 
+         aMessage.IsSupported( KMPXMessageGeneralType ) )
+        {
+        iCurrentState = *aMessage.Value<TInt>( KMPXMessageGeneralType );
+        
+        IPTVLOGSTRING2_LOW_LEVEL("CVcxNsStreamingHandler::HandleStateChangedL: state = %d", iCurrentState );
+       
+        switch ( iCurrentState )
+            {
+            case EPbStateInitialised:
+                {
+                if ( iLastPosPending )
+                    {
+                    SeekToLastPosL();
+                    }
+                }
+                break;
+            case EPbStateStopped:
+            case EPbStateShuttingDown:
+                {
+                HandleCloseStream();
+                }
+                break;
+            case EPbStatePlaying:
+                {
+                GetDurationL();
+                }
+                break;
+            default:
+                break;
+            }
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandleStateChangedL");
+    }
+    
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandlePropertyChangedL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandlePropertyChangedL( const CMPXMessage& aMessage )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandlePropertyChangedL");
+    
+    if( iContent &&
+        aMessage.IsSupported( KMPXMessageGeneralType ) &&
+        aMessage.IsSupported( KMPXMessageGeneralData ) )
+        {
+        TInt property = *aMessage.Value<TInt>( KMPXMessageGeneralType );
+        TInt data = *aMessage.Value<TInt>( KMPXMessageGeneralData );
+        
+        if( property == EPbPropertyPosition )
+            {
+            IPTVLOGSTRING2_LOW_LEVEL("CVcxNsStreamingHandler::HandlePropertyChangedL(): pos = %d", data );
+
+            iContent->SetLastPlaybackPosition( TReal32 ( data ),
+                                               CVcxNsContent::EVcxContentTypeStream );
+            }
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandlePropertyChangedL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandleOpenStreamL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandleOpenStreamL( CVcxNsContent* aContent )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandleOpenStreamL");
+    
+    HandleCloseStream();
+    
+    if ( !iPlaybackUtility )
+        {
+        iPlaybackUtility = MMPXPlaybackUtility::UtilityL( EMPXCategoryVideo, KPbModeDefault );
+        iPlaybackUtility->AddObserverL( *this );    
+        }
+    
+    iContent = CVcxNsContent::NewL( *aContent );
+    
+    TInt prevPos = iContent->GetLastPlaybackPosition( CVcxNsContent::EVcxContentTypeStream );
+    
+    if ( prevPos > KMinIntervalFromBegin )
+        {
+        iLastPosPending = ETrue;
+        iResumePos = prevPos;
+        }
+    else
+        {
+        iLastPosPending = EFalse;
+        iResumePos = 0;
+        }
+
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandleOpenStreamL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandleCloseStream
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandleCloseStream()
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandleCloseStream");
+    
+    TRAP_IGNORE( StoreLastPosL() );
+
+    delete iContent;
+    iContent = NULL;
+    
+    iLastPosPending = EFalse;
+    iResumePos      = 0;
+    iDuration       = 0;
+    iCurrentState   = EPbStateNotInitialised;
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandleCloseStream");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::SeekToLastPosL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::SeekToLastPosL()
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::SeekToLastPosL");
+    
+    iLastPosPending = EFalse;
+    
+    if ( iResumePos != 0 )
+        {
+        iPlaybackUtility->SetL( EPbPropertyPosition, iResumePos );
+        iResumePos = 0;
+        }
+
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::SeekToLastPosL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::StoreLastPosL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::StoreLastPosL()
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::StoreLastPosL");
+    
+    if( iContent && iUiEngine.ContentProvider() )
+        {
+        TInt pos = iContent->GetLastPlaybackPosition( CVcxNsContent::EVcxContentTypeStream );
+        
+        if ( pos <= iDuration - KMinIntervalFromEnd && pos >= KMinIntervalFromBegin )
+            {
+            iUiEngine.ContentProvider()->StoreLastPlayPosL( iContent, 
+                                                            CVcxNsContent::EVcxContentTypeStream,
+                                                            TReal32( pos ) );
+            }
+        else
+            {
+            iUiEngine.ContentProvider()->StoreLastPlayPosL( iContent, 
+                                                            CVcxNsContent::EVcxContentTypeStream,
+                                                            TReal32 ( 0 ) );
+            }
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::StoreLastPosL");
+    }
+
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::GetDurationL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::GetDurationL()
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::GetDurationL");
+    
+    iPlaybackUtility->PropertyL( *this, EPbPropertyDuration );
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::GetDurationL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandlePropertyL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandlePropertyL( TMPXPlaybackProperty aProperty,
+                                              TInt aValue, 
+                                              TInt aError )
+    {
+    IPTVLOGSTRING_LOW_LEVEL(">>>CVcxNsStreamingHandler::HandlePropertyL");
+    
+    if ( aError == KErrNone &&
+         aProperty == EPbPropertyDuration )
+        {
+        iDuration = aValue;
+        }
+    
+    IPTVLOGSTRING_LOW_LEVEL("<<<CVcxNsStreamingHandler::HandlePropertyL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandleSubPlayerNamesL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandleSubPlayerNamesL( TUid /*aPlayer*/,
+                                                    const MDesCArray* /*aSubPlayers*/,
+                                                    TBool /*aComplete*/,
+                                                    TInt /*aError*/ )
+    {
+    IPTVLOGSTRING_LOW_LEVEL("CVcxNsStreamingHandler::HandleSubPlayerNamesL");
+    }
+
+// -------------------------------------------------------------------------------------------------
+//   CVcxNsStreamingHandler::HandleMediaL
+// -------------------------------------------------------------------------------------------------
+//
+void CVcxNsStreamingHandler::HandleMediaL( const CMPXMedia& /*aProperties*/,
+                                           TInt /*aError*/ )
+    {
+    IPTVLOGSTRING_LOW_LEVEL("CVcxNsStreamingHandler::HandleMediaL");
+    }