author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:46:30 +0200 | |
changeset 0 | bf1d17376201 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Plays voice commands |
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* |
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*/ |
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#include "rubydebug.h" |
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#include "tagplayer.h" |
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_LIT( KStoredVCommandPlayerPanic, "SVCP" ); |
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CTagPlayer* CTagPlayer::NewL() |
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{ |
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CTagPlayer* self = new (ELeave) CTagPlayer; |
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return self; |
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} |
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|
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CTagPlayer::~CTagPlayer() |
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{ |
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// if any |
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delete iPlaybackTag; |
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// to panic in HandlePlays if they are called after the object destruction |
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iPlaybackTag = NULL; |
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} |
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|
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/** |
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* Attempts to play back the text expected to be recognized. |
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* To be playable command has to be added to CVCommandHandler AND |
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* then retrieved back. This function is asynchronous |
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* |
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* @param aHandler CVCommandHandler where the command is stored |
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* @param aPlayEventHandler Entity that handles the playback callbacks |
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* @see NssVasMPlayEventHandler.h |
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* |
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* @leave KErrBadHandle if the current command has not been retrieved |
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* from CVCommandHandler (i.e. was not trained for recognition) |
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* @leave KErrNotFound if this command cannot be found in aHandler |
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* @leave KErrNotReady @see nssvasmspeechitem.h MNssSpeechItem::TNssSpeechItemResult |
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* EVasUnexpectedRequest |
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* @leave KErrInUse @see nssvasmspeechitem.h MNssSpeechItem::TNssSpeechItemResult |
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* EVasInUse |
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* @leave KErrArgument @see nssvasmspeechitem.h MNssSpeechItem::TNssSpeechItemResult |
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* EVasInvalidParameter |
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* @leave KErrGeneral @see nssvasmspeechitem.h MNssSpeechItem::TNssSpeechItemResult |
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* EVasPlayFailed |
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*/ |
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void CTagPlayer::PlayTagL( MNssTag* aTag, MNssPlayEventHandler& aPlayEventHandler ) |
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{ |
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RUBY_DEBUG_BLOCK( "CTagPlayer::PlayTagL" ); |
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CleanupDeletePushL( aTag ); |
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__ASSERT_ALWAYS( !iPlaybackTag, User::Leave( KErrLocked ) ); |
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CleanupStack::Pop( aTag ); |
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iPlaybackTag = aTag; |
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iPlayEventHandler = &aPlayEventHandler; |
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|
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MNssSpeechItem::TNssSpeechItemResult err = iPlaybackTag->SpeechItem()->PlayL( this ); |
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switch( err ) |
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{ |
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case MNssSpeechItem::EVasErrorNone: |
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break; |
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case MNssSpeechItem::EVasUnexpectedRequest: |
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User::Leave( KErrNotReady ); |
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case MNssSpeechItem::EVasInUse: |
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User::Leave( KErrInUse ); |
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case MNssSpeechItem::EVasInvalidParameter: |
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User::Leave( KErrArgument ); |
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case MNssSpeechItem::EVasPlayFailed: |
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User::Leave( KErrGeneral ); |
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case MNssSpeechItem::EVasTrainFailed: |
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default: |
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RUBY_ERROR1( "CTagPlayer::PlaySpokenTextL Unexpected error code [%d]", err ); |
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User::Leave( KErrGeneral ); |
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} |
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} |
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|
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/** |
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* Cancels playback. No PlayStarted/PlayComplete after it |
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* |
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* @leave KErrNotReady if playback has never been started |
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*/ |
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void CTagPlayer::CancelPlaybackL() |
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{ |
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RUBY_DEBUG_BLOCK( "CTagPlayer::CancelPlaybackL" ); |
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__ASSERT_ALWAYS( iPlaybackTag, User::Leave( KErrNotReady ) ); |
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TInt err = iPlaybackTag->SpeechItem()->CancelL(); |
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RUBY_DEBUG1( "CTagPlayer::CancelPlaybackL Canceled with the error code [%d]", err ); |
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delete iPlaybackTag; |
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iPlaybackTag = NULL; |
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iPlayEventHandler = NULL; |
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} |
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|
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// From MNsPlayEventHandler |
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/** |
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* The HandlePlayStarted method is a virtual method implemented by the |
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* client and is called when play is started |
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* @param aDuration - the duration of the utterance data |
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*/ |
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void CTagPlayer::HandlePlayStarted( TTimeIntervalMicroSeconds32 aDuration ) |
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{ |
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__ASSERT_ALWAYS( iPlaybackTag, User::Panic( KStoredVCommandPlayerPanic, KErrNotReady ) ); |
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iPlayEventHandler->HandlePlayStarted( aDuration ); |
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} |
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/** |
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* The HandlePlayComplete method is a virtual method implemented by the |
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* client and is called when play is completed |
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* @param aErrorCode EVasErrorNone if playing was successfull |
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*/ |
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void CTagPlayer::HandlePlayComplete( TNssPlayResult aErrorCode ) |
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{ |
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__ASSERT_ALWAYS( iPlaybackTag, User::Panic( KStoredVCommandPlayerPanic, KErrNotReady ) ); |
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delete iPlaybackTag; |
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iPlaybackTag = NULL; |
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iPlayEventHandler->HandlePlayComplete( aErrorCode ); |
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iPlayEventHandler = NULL; |
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} |
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//End of file |