--- a/mmfenh/progressivedownload/ProgressiveDownloadUtility/src/PDProperties.cpp Mon May 03 12:59:52 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,446 +0,0 @@
-/*
-* Copyright (c) 2004 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: Progressive Download Utility
-*
-*/
-
-
-
-#include "PdProperties.h"
-
-//Percentage (increments) of the file [TBD]
-//that needs to be downloaded/buffered before playing begins
-//Should try at 25%,50%,75%,100%
-const TInt KPercentageToBufferIncrement =25;
-
-
-//Percentage of the file needed for header [TBD]
-//const TInt KPercentageNeededForHeader = 33;
-const TInt KBytesNeededForHeader = 200000;//102400;
-
-//const TInt KMinFileSize = 100000;
-
-//Max attempts to openfile
-const TInt KRetryOpen = 1;
-
-
-//===============================================================
-// CPdProperties implementation begins
-//
-//===============================================================
-EXPORT_C CPdProperties* CPdProperties::NewL()
- {
- CPdProperties* self = new(ELeave) CPdProperties();
- CleanupStack::PushL(self);
- self->ConstructL();
- CleanupStack::Pop(self);
- return self;
- }
-
-EXPORT_C CPdProperties* CPdProperties::NewLC()
- {
- CPdProperties* self = new (ELeave) CPdProperties();
- CleanupStack::PushL(self);
- self->ConstructL();
- return self;
- }
-
-EXPORT_C CPdProperties::~CPdProperties()
- {
- delete iFileName;
-
- }
-
-void CPdProperties::ConstructL()
- {
-
- iFileOpened = EFalse;
- iAttemptsToOpen = 0;
- iState = EStopped;
- iPercentageToBuffer= KPercentageToBufferIncrement;
- iDownloadCompleted = EFalse;
- iFileBytePosition = 0;
- iTimePosition = 0;
- iBytesDownloaded = 0;
- iOpenInProgress = EFalse;
-
- }
-
-CPdProperties::CPdProperties()
- {
-
- }
-
-EXPORT_C CAudioPdPlayUtility* CPdProperties::OpenL(const TDesC& aFileName,
- MAudioPdPlayUtilityCallback& aCallback)
- {
- iUseFileHandle = EFalse;
- iFileName = HBufC::NewL ( aFileName.Length() );
- iFileName->Des().Copy( aFileName );
-
- iCallback = &aCallback;
-
- iAudioPdPlayUtility = CAudioPdPlayUtility::NewL(*this);
-
- return iAudioPdPlayUtility;
- }
-
-EXPORT_C CAudioPdPlayUtility* CPdProperties::OpenL(const RFile& aFileHandle,
- MAudioPdPlayUtilityCallback& aCallback)
- {
- iUseFileHandle = ETrue;
- iFileHandle.Duplicate(aFileHandle);
-
- iCallback = &aCallback;
-
- iAudioPdPlayUtility = CAudioPdPlayUtility::NewL(*this);
-
-
- return iAudioPdPlayUtility;
- }
-
-
-void CPdProperties::HandleDownloadEventL(TUint /*aTransactionID*/,
- TBrCtlDownloadEvent aEvent,
- TUint aValue)
- {
-/*
-Event Value (optional) Comment
-EDownloadEventStarted Total Bytes Size of content as specified in header.
-EDownloadEventCompleted Total Bytes Received Total number received should be same as specified at start.
-EDownloadEventProgress Bytes Received Number of bytes received so far. May be used to determine % received for progress bar. This will be sent multiple times. Frequency to be determined. Perhaps on every chunk received.
-EDownloadEventCanceled N/A Cancelled by Download Manager
-EDownloadEventError N/A Cancelled by BrowserEngine due to network/http error.
-EDownloadEventPaused, aValue is the size downloaded so far
-EDownloadEventResumed, aValue is the size downloaded
-EDownloadEventPausable aValue = true when it is pausable
-*/
-
- switch (aEvent)
- {
- case EDownloadEventStarted: //Started
- {
- if(aValue)
- iFileSize = aValue;
- break;
- }
-
- case EDownloadEventCompleted: //Completed
- {
- iDownloadCompleted = ETrue;
- iBytesDownloaded = aValue;
-
- if((!iFileOpened) && (!iOpenInProgress))
- {
- //Used for when metadata is at the end of file
- //or when the file is in cache and already downloaded.
- iAudioPdPlayUtility->SetFileSize(iFileSize);
- iAudioPdPlayUtility->SetBytesDownloaded(iBytesDownloaded, iDownloadCompleted);
- iAudioPdPlayUtility->DlCompleteOpenFileL(iFileName->Des());
- iOpenInProgress = ETrue;
- iAttemptsToOpen++;
- }
- break;
- }
-
- case EDownloadEventProgress: //Progress
- {
- if(aValue)
- iBytesDownloaded = aValue;
- break;
- }
- case EDownloadEventCanceled: //Cancelled
- case EDownloadEventError: //Error
- {
- iBytesDownloaded = 0;
- iFileSize = 0;
- break;
- }
-
- case EDownloadEventPaused: //Paused
- case EDownloadEventResumed: //Resumed
- case EDownloadEventPausable: //Pausable
- //do nothing
- break;
-
- default:
- break;
-
- } // switch(aEvent)
-
-
- #if _DEBUG
- RDebug::Print(_L("CPdProperties::HandleDownloadEventL"));
- RDebug::Print(_L("file byte position %d"),iFileBytePosition);
- RDebug::Print(_L("bytes downloaded %d"),iBytesDownloaded);
- RDebug::Print(_L("file size %d"),iFileSize);
- RDebug::Print(_L("percentage to buffer %d"),iPercentageToBuffer);
- RDebug::Print(_L("download state %d"),aEvent);
- #endif
-
- HandleDownloadUpdateL();
- }
-
-TInt CPdProperties::CalculatePercentageDownloaded()
- {
- TInt percentageDone = 0;
- if((iFileSize>0) && (iBytesDownloaded>0))
- percentageDone= ((100*iBytesDownloaded)/iFileSize);
-
- return percentageDone;
- }
-
-void CPdProperties::SavePosition()
- {
- #if _DEBUG
- RDebug::Print(_L("CPdProperties::SavePosition"));
- #endif
- TTimeIntervalMicroSeconds timeposition;
- if(iState==EPlaying)
- {
- iAudioPdPlayUtility->GetFilePosition(iFileBytePosition);
-
- iAudioPdPlayUtility->GetPosition(timeposition);
- if(timeposition >iTimePosition)
- iTimePosition = timeposition;
- }
-
- #if _DEBUG
- RDebug::Print(_L("CPdProperties::SavePosition iTimePosition %d"),I64INT(iTimePosition.Int64()));
- #endif
-
- }
-
-void CPdProperties::HandleDownloadUpdateL()
- {
- TInt percentageDone=0;
-
- percentageDone = CalculatePercentageDownloaded();
-
- #if _DEBUG
- RDebug::Print(_L("iFileOpened %d "),iFileOpened);
- RDebug::Print(_L("iState %d "),iState);
- RDebug::Print(_L("percentage downloaded %d "),percentageDone);
- RDebug::Print(_L("iBytesDownloaded %d "),iBytesDownloaded);
- RDebug::Print(_L("iAttemptsToOpen %d "),iAttemptsToOpen);
- RDebug::Print(_L("iOpenInProgress %d "),iOpenInProgress);
- RDebug::Print(_L("iFileSize %d "),iFileSize);
- #endif
- //if((percentageDone>KPercentageNeededForHeader)&&
- if((iBytesDownloaded>KBytesNeededForHeader)&&
- (!iFileOpened) && iAttemptsToOpen<KRetryOpen && (!iOpenInProgress))
- {
- TInt err(KErrNone);
- if(iUseFileHandle)
- {
-#ifdef RD_PD_FOR_AUDIO_CONTENT_VIA_HELIX_ENGINE
- iAudioPdPlayUtility->SetFileSize(iFileSize);
-#endif
- iAudioPdPlayUtility->OpenFileL(iFileHandle);
- }
- else
- {
-#ifdef RD_PD_FOR_AUDIO_CONTENT_VIA_HELIX_ENGINE
- iAudioPdPlayUtility->SetFileSize(iFileSize);
-#endif
- TRAP(err,iAudioPdPlayUtility->OpenFileL(iFileName->Des()));
- }
-
- if(err != KErrNone)
- {
- MapcInitComplete(err,0);
- return;
- }
- iOpenInProgress = ETrue;
- iAttemptsToOpen++;
-
- }
-
- //Pass bytes downloaded to ProgressiveDownload DataSource
- iAudioPdPlayUtility->SetBytesDownloaded(iBytesDownloaded, iDownloadCompleted);
-
- if(iFileOpened)
- {//if the file is opened/playing save the
- //file byte position and the time position
- SavePosition();
- switch (iState)
- {
- case EPlaying:
- {
- if((iFileBytePosition >=iBytesDownloaded) &&
- (percentageDone<=100))
- {
- //Should have paused, but is causing problems
- //with DRM1 FL
- #if _DEBUG
- RDebug::Print(_L("Should have paused"));
- #endif
- //StartPaused();
- }
- break;
- }
- // Try to automatically resume only if we are stopped due to lac
- // of data (KErrUnderflow)
- //case EPaused:
- //case EStopped:
- case EStoppedAutoResume:
- {
- //if stopped attempt to play at 25%,50%,75%,100%
- if( percentageDone >= iPercentageToBuffer )
- {
- StartPlaying();
- }
- break;
- }
- default:
- break;
- }//switch iState
-
- if( percentageDone > iPercentageToBuffer )
- {
- iPercentageToBuffer += KPercentageToBufferIncrement;
- }
- }//iFileOpened
-
- }
-
-/*
-void CPdProperties::StartPaused()
- {
- #if _DEBUG
- RDebug::Print(_L("ProgressiveDownload audio paused"));
- #endif
- iState = EPaused;
- iAudioPdPlayUtility->Pause(); //Audio Pause
- //iCallback->Paused();
- }
-*/
-
-void CPdProperties::StartPlaying()
- {
- #if _DEBUG
- RDebug::Print(_L("ProgressiveDownload audio play"));
- #endif
-
- //Will disable automatic play if manual play was started.
- TInt state = iAudioPdPlayUtility->CheckAudioPlayerState();
-
- if(iState!=EPlaying)
- {
- iState = EPlaying;
-
- TTimeIntervalMicroSeconds timeposition(0);
- TInt error = iAudioPdPlayUtility->GetPosition(timeposition);
-
- #if _DEBUG
- RDebug::Print(_L("ProgressiveDownload SetPosition SavePos[%d] CurPos[%d]"), I64INT(iTimePosition.Int64()),I64INT(timeposition.Int64()));
- #endif
-
- if(timeposition != iTimePosition)
- {
- iAudioPdPlayUtility->SetPosition(iTimePosition);
- }
-
- iAudioPdPlayUtility->Play();
- //iCallback->Playing();
- }
- }
-
-//From MMdaAudioPlayerCallback
-void CPdProperties::MapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& aDuration)
- {
-
-#if _DEBUG
- RDebug::Print(_L("ProgressiveDownload file opened err =%d"),aError);
-#endif
- //iError = aError;
- iOpenInProgress = EFalse;
-
- iState = EStopped;
-
- if( aError == KErrNone )
- {
- if( aDuration > 0 )
- {
- iFileOpened = ETrue;
- }
- else
- {
-#if _DEBUG
- RDebug::Print(_L("ProgressiveDownload - Open failed - could not calculate duration"));
- RDebug::Print(_L("metadata is at the end of file PD not supported"));
-#endif
- iFileOpened = EFalse;
- return;
- }
-
- if( iFileSize > 0 )
- {
- TInt err = iAudioPdPlayUtility->SetFileSize(iFileSize);
-#if _DEBUG
- RDebug::Print(_L("CPdProperties::SetFileSize=%d err %d"),iFileSize,err);
-#endif
- }
- // After init is complete successfully, playback is to be started
- // automatically.
- iState = EStoppedAutoResume;
- }
- iCallback->MapcInitComplete(aError,aDuration);
-
- //Last chance to automatically play a file with very fast download
- //or when the file is in cache and there are only a couple of download events.
- if ( (iDownloadCompleted) && (aError == KErrNone ) )
- {
- StartPlaying();
- }
- }
-
-void CPdProperties::MapcPlayComplete(TInt aError)
- {
-#if _DEBUG
- RDebug::Print(_L("ProgressiveDownload play complete err=%d"),aError);
-#endif
- //iError = aError;
- // Playback stopped due to lac of data (KErrUnderflow)
- if( aError == KErrUnderflow )
- {// By now, Controller would've gone to STOPPED state and would've reset
- // play position to zero. There is no point in querying position here.
- TTimeIntervalMicroSeconds timeposition;
- TInt error = iAudioPdPlayUtility->GetPosition(timeposition);
- if(timeposition > iTimePosition)
- {
- iTimePosition = timeposition;
- }
-#if _DEBUG
- RDebug::Print(_L("ProgressiveDownload GetPosition return [%d] error[%d]"), I64INT(iTimePosition.Int64()), error);
-#endif
- iState = EStoppedAutoResume;
- iCallback->Paused();
- }
- else
- {
- iState = EStopped;
- iCallback->MapcPlayComplete(aError);
- }
- }
-
-void CPdProperties::Playing()
- {
- iCallback->Playing();
- }
-
-void CPdProperties::Paused()
- {
- iCallback->Paused();
- }