diff -r 9b2cffad4b5e -r 6646c35e558c htiui/HtiServicePlugins/HtiCameraServicePlugin/src/HtiCameraServicePlugin.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/htiui/HtiServicePlugins/HtiCameraServicePlugin/src/HtiCameraServicePlugin.cpp Wed Oct 13 14:32:52 2010 +0300 @@ -0,0 +1,637 @@ +/* +* 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 "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: Implements the ECom plugin for HTI camera +* service. +* +*/ + + + +// INCLUDE FILES +#include +#include + + +#include "HtiCameraServicePlugin.h" + +// EXTERNAL DATA STRUCTURES + +// EXTERNAL FUNCTION PROTOTYPES + +// CONSTANTS + +// MACROS + +// LOCAL CONSTANTS AND MACROS +const static TUid KCameraServiceUid = { 0x2002EA9E }; + + + +// NOTE: Max length for error description is defined +// in HtiDispatcherInterface.h (currently 118). + +_LIT8( KErrorNoCommand, "ERROR: No command given" ); +_LIT8( KErrorUnknownCmd, "ERROR: Unknown Camera Service command" ); +_LIT8( KErrorInitFailed, "ERROR: Failed to init"); +_LIT8( KErrorUninitialized, "ERROR: Uninitialized"); +_LIT8( KErrInvalidateParameters, "ERROR: Invalidate parameters"); +_LIT8( KErrQualityLevel, "ERROR: Invalidate quality level"); +_LIT8( KErrorPrepareVideoRecordingFailed, "ERROR: Prepare video recording failed"); +_LIT8( KErrorStartVideoRecordingFailed, "ERROR: Start video recording failed"); +_LIT8( KErrorPausingVideoRecordingFailed, "ERROR: Pausing video recording failed"); +_LIT8( KErrorResumeVideoRecordingFailed, "ERROR: Resume video recording failed"); +_LIT8( KErrorStopVideoRecordingFailed, "ERROR: Stop video recording failed"); +_LIT8( KErrorSetZoomModeFailed, "ERROR: Set zoom mode failed"); +_LIT8( KErrorSetZoomValueFailed, "ERROR: Set zoom value failed"); + +// MODULE DATA STRUCTURES + +// LOCAL FUNCTION PROTOTYPES + +// FORWARD DECLARATIONS + +// ============================= LOCAL FUNCTIONS =============================== + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CHtiCameraServicePlugin::CHtiCameraServicePlugin +// C++ default constructor can NOT contain any code, that might leave. +// ----------------------------------------------------------------------------- +// +CHtiCameraServicePlugin::CHtiCameraServicePlugin():iIsBusy(EFalse), iError(0), + iVideoRecordingEngine(NULL), iWaiter(NULL) + { + } + + +// ----------------------------------------------------------------------------- +// CHtiCameraServicePlugin::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CHtiCameraServicePlugin::ConstructL() + { + HTI_LOG_TEXT( "CHtiCameraServicePlugin::ConstructL" ); + iWaiter = new ( ELeave ) CActiveSchedulerWait; + } + + +// ----------------------------------------------------------------------------- +// CHtiCameraServicePlugin::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +CHtiCameraServicePlugin* CHtiCameraServicePlugin::NewL() + { + CHtiCameraServicePlugin* self = new (ELeave) CHtiCameraServicePlugin; + CleanupStack::PushL( self ); + self->ConstructL(); + CleanupStack::Pop(); + return self; + } + + +// Destructor +CHtiCameraServicePlugin::~CHtiCameraServicePlugin() + { + if(iVideoRecordingEngine) + { + delete iVideoRecordingEngine; + iVideoRecordingEngine = NULL; + } + + delete iWaiter; + iWaiter = NULL; + } + + +// ----------------------------------------------------------------------------- +// CHtiCameraServicePlugin::ProcessMessageL +// ----------------------------------------------------------------------------- +// +void CHtiCameraServicePlugin::ProcessMessageL( const TDesC8& aMessage, + THtiMessagePriority /*aPriority*/ ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::ProcessMessageL" ); + HTI_LOG_FORMAT( "Message length = %d", aMessage.Length() ); + + if ( iIsBusy ) + { + HTI_LOG_TEXT( "Plugin is busy - leaving" ); + User::Leave( KErrInUse ); + } + + // Will be set to EFalse in the SendResponseMsg or SendErrorResponseMsg + // methods when the response has been successfully sent and the plugin is + // ready for next message. + iIsBusy = ETrue; + + if ( aMessage.Length() < 1 ) + { + SendErrorMessageL( KErrArgument, KErrorNoCommand ); + return; + } + + TUint8 command = aMessage.Ptr()[0]; + TInt err = KErrNone; + + switch (command) + { + case ECmdInitialize: + TRAP(err, HandleInitializeCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdUninitialize: + TRAP(err, HandleUninitializeCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdPrepareVideoRecording: + TRAP(err, HandlePrepareVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdStartVideoRecording: + TRAP(err, HandleStartVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdPausingVideoRecording: + TRAP(err, HandlePausingVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdResumeVideoRecording: + TRAP(err, HandleResumeVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdStopVideoRecording: + TRAP(err, HandleStopVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdCloseVideoRecording: + TRAP(err, HandleCloseVideoRecordingCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdGetZoom: + TRAP(err, HandleGetZoomCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + case ECmdSetZoom: + TRAP(err, HandleSetZoomCmdL(aMessage.Right( aMessage.Length() - 1 ))); + break; + default: + TRAP(err, SendErrorMessageL(KErrArgument, KErrorUnknownCmd)); + break; + } + + if(err != KErrNone) + { + iIsBusy = EFalse; + User::Leave( err ); + } + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::ProcessMessageL" ); + } + +void CHtiCameraServicePlugin::HandleInitializeCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleInitializeCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + HTI_LOG_TEXT("Initializes Camera Application Engine"); + if(iVideoRecordingEngine) + { + delete iVideoRecordingEngine; + iVideoRecordingEngine = NULL; + } + + iVideoRecordingEngine = CEngineVideoRecording::NewL(*this, 0); + iVideoRecordingEngine->InitL(); + iWaiter->Start(); + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorInitFailed); + } + else + { + HTI_LOG_TEXT("Initializes video recording"); + iVideoRecordingEngine->InitVideoRecorderL(); + + SendOkMsgL(KNullDesC8); + } + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleInitializeCmdL" ); + } + +void CHtiCameraServicePlugin::HandleUninitializeCmdL(const TDesC8& aData) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleUninitializeCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + delete iVideoRecordingEngine; + iVideoRecordingEngine = NULL; + + SendOkMsgL(KNullDesC8); + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleUninitializeCmdL" ); + } + +void CHtiCameraServicePlugin::HandlePrepareVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandlePrepareVideoRecordingCmdL" ); + if(aData.Length() < 2 || aData[1] != aData.Length() -2) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + TInt qualityLevelIndex = aData[0]; + if(qualityLevelIndex < 0 || qualityLevelIndex > iVideoRecordingEngine->VideoQualityCount() -1) + { + SendErrorMessageL(KErrOverflow, KErrQualityLevel); + return; + } + + TBuf<255> filePath; + TInt nextOffset = ParseString( aData, 1, filePath ); + if ( filePath.Length() < 1 || nextOffset < 0 ) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + HTI_LOG_FORMAT("Set video recording file name: %S", &filePath); + iVideoRecordingEngine->SetVideoRecordingFileNameL(filePath); + + HTI_LOG_FORMAT("Prepare video recording with quality level index: %d", qualityLevelIndex); + iVideoRecordingEngine->PrepareVideoRecordingL(qualityLevelIndex); + + iWaiter->Start(); + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorPrepareVideoRecordingFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandlePrepareVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandleStartVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleStartVideoRecordingCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + HTI_LOG_TEXT("Start video recording..."); + iVideoRecordingEngine->StartVideoRecording(); + + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorStartVideoRecordingFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleStartVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandlePausingVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandlePausingVideoRecordingCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + HTI_LOG_TEXT("Pausing video recording"); + iVideoRecordingEngine->PauseVideoRecording(); + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorPausingVideoRecordingFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandlePausingVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandleResumeVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleResumeVideoRecordingCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + HTI_LOG_TEXT("Resume video recording..."); + iVideoRecordingEngine->ResumeVideoRecording(); + + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorResumeVideoRecordingFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleResumeVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandleStopVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleStopVideoRecordingCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + HTI_LOG_TEXT("Stop video recording"); + iVideoRecordingEngine->StopVideoRecording(); + if(iError != KErrNone) + { + SendErrorMessageL(iError, KErrorStopVideoRecordingFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleStopVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandleCloseVideoRecordingCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleCloseVideoRecordingCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + HTI_LOG_TEXT("Close video recording"); + iVideoRecordingEngine->CloseVideoRecording(); + SendOkMsgL(KNullDesC8); + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleCloseVideoRecordingCmdL" ); + } + +void CHtiCameraServicePlugin::HandleGetZoomCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleGetZoomCmdL" ); + if(aData.Length() != 0) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + TUint8 zoomMode = (TUint8)iVideoRecordingEngine->ZoomMode(); + HTI_LOG_FORMAT("Current zoom mode: %d", zoomMode); + + TUint32 zoomValue = iVideoRecordingEngine->ZoomValue(); + HTI_LOG_FORMAT("Current zoom value: %d", zoomValue); + + TUint32 zoomMinValue = iVideoRecordingEngine->MinZoomValue(); + HTI_LOG_FORMAT("Min zoom value: %d", zoomMinValue); + + TUint32 zoomMaxValue = iVideoRecordingEngine->MaxZoomValue(); + HTI_LOG_FORMAT("Max zoom value: %d", zoomMaxValue); + + TBuf8<13> buf; + buf.Append(zoomMode); + buf.Append((TUint8*)&zoomValue, 4); + buf.Append((TUint8*)&zoomMinValue, 4); + buf.Append((TUint8*)&zoomMaxValue, 4); + SendOkMsgL( buf ); + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleGetZoomCmdL" ); + } + +void CHtiCameraServicePlugin::HandleSetZoomCmdL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::HandleSetZoomCmdL" ); + if(aData.Length() != 5) + { + SendErrorMessageL(KErrArgument, KErrInvalidateParameters); + return; + } + + if(iVideoRecordingEngine == NULL) + { + SendErrorMessageL(KErrNotReady, KErrorUninitialized); + return; + } + + CEngineVideoRecording::TZoomMode zoomMode = (CEngineVideoRecording::TZoomMode)aData[0]; + HTI_LOG_FORMAT("Set zoom mode: %d", zoomMode); + TRAPD(err, iVideoRecordingEngine->SetZoomModeL(zoomMode)); + if(err != KErrNone) + { + SendErrorMessageL(err, KErrorSetZoomModeFailed); + } + else + { + TInt value = aData[1] + ( aData[2] << 8 ) + + ( aData[3] << 16 ) + + ( aData[4] << 24 ); + HTI_LOG_FORMAT("Set zoom value: %d", value); + TRAPD(err, iVideoRecordingEngine->SetZoomValueL(value)); + if(err != KErrNone) + { + SendErrorMessageL(err, KErrorSetZoomValueFailed); + } + else + { + SendOkMsgL(KNullDesC8); + } + } + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::HandleSetZoomCmdL" ); + } + + +// ----------------------------------------------------------------------------- +// CHtiCameraServicePlugin::IsBusy +// ----------------------------------------------------------------------------- +// +TBool CHtiCameraServicePlugin::IsBusy() + { + return iIsBusy; + } + + +// ---------------------------------------------------------------------------- +void CHtiCameraServicePlugin::SendOkMsgL( const TDesC8& aData ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::SendOkMsgL: Starting" ); + + User::LeaveIfNull( iDispatcher ); + + HBufC8* temp = HBufC8::NewL( aData.Length() + 1 ); + TPtr8 response = temp->Des(); + response.Append( ( TChar ) EResultOk ); + response.Append( aData ); + User::LeaveIfError( iDispatcher->DispatchOutgoingMessage( + temp, KCameraServiceUid ) ); + iIsBusy = EFalse; + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::SendOkMsgL: Done" ); + } + +// ---------------------------------------------------------------------------- +void CHtiCameraServicePlugin::SendErrorMessageL( TInt aError, const TDesC8& aDescription ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::SendErrorMessageL: Starting" ); + User::LeaveIfNull( iDispatcher ); + User::LeaveIfError( iDispatcher->DispatchOutgoingErrorMessage( + aError, aDescription, KCameraServiceUid ) ); + iIsBusy = EFalse; + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::SendErrorMessageL: Done" ); + } + +TInt CHtiCameraServicePlugin::ParseString( const TDesC8& aRequest, + TInt aOffset, + TDes& aResult ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::ParseString" ); + + // If offset outside the string return empty string + if ( aOffset >= aRequest.Size() ) + { + return aOffset; + } + + TInt length = aRequest[aOffset]; + HTI_LOG_FORMAT( "String length = %d", length ); + + // If length is zero return empty string + if ( length < 1 ) + { + return aOffset + 1; + } + + if ( length > aResult.MaxLength() ) + { + return KErrBadDescriptor; + } + + TInt nextOffset = length + aOffset + 1; + HTI_LOG_FORMAT( "Next offset = %d", nextOffset ); + HTI_LOG_FORMAT( "Request size = %d", aRequest.Size() ); + + if ( nextOffset > aRequest.Size() ) + { + return KErrArgument; + } + + aResult.Copy( aRequest.Mid( aOffset + 1, length ) ); + + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::ParseString" ); + return nextOffset; + } + +void CHtiCameraServicePlugin::MevroInitComplete( TInt aError ) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::MevroInitComplete" ); + HTI_LOG_FORMAT("aError = %d", aError); + iError = aError; + iWaiter->AsyncStop(); + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::MevroInitComplete" ); + } + +void CHtiCameraServicePlugin::MevroVideoPrepareComplete(TInt aError) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::MevroVideoPrepareComplete" ); + HTI_LOG_FORMAT("aError = %d", aError); + iError = aError; + iWaiter->AsyncStop(); + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::MevroVideoPrepareComplete" ); + } + +void CHtiCameraServicePlugin::MevroVideoRecordingOn(TInt aError) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::MevroVideoRecordingOn" ); + HTI_LOG_FORMAT("aError = %d", aError); + iError = aError; + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::MevroVideoRecordingOn" ); + } + +void CHtiCameraServicePlugin::MevroVideoRecordingPaused(TInt aError) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::MevroVideoRecordingPaused" ); + HTI_LOG_FORMAT("aError = %d", aError); + iError = aError; + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::MevroVideoRecordingPaused" ); + } + +void CHtiCameraServicePlugin::MevroVideoRecordingComplete(TInt aError) + { + HTI_LOG_FUNC_IN( "CHtiCameraServicePlugin::MevroVideoRecordingComplete" ); + HTI_LOG_FORMAT("aError = %d", aError); + iError = aError; + HTI_LOG_FUNC_OUT( "CHtiCameraServicePlugin::MevroVideoRecordingComplete" ); + } +// End of File