author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 21:06:44 +0300 | |
branch | RCL_3 |
changeset 16 | d486e5e3cc9a |
parent 0 | 1ddebce53859 |
child 20 | 38fb6f7eacd5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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: Handles the playing of sounds and tones for the Camera App* |
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*/ |
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#ifndef CAMSOUNDPLAYER_H |
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#define CAMSOUNDPLAYER_H |
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// INCLUDES |
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#include <MdaAudioTonePlayer.h> |
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#include <MdaAudioSamplePlayer.h> |
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#include "Cam.hrh" // For TCamSoundId |
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// CONSTANTS |
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// MACROS |
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// DATA TYPES |
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// FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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class CAknKeySoundSystem; |
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// CLASS DECLARATION |
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/** |
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* Observer class for getting notified when sound playback completes. |
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*/ |
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class MCamSoundPlayerObserver |
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{ |
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public: |
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/** |
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* CCamSoundPlayer has finished sound playback |
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* and callback was requested (aEnableCallback was true |
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* in CCamSoundPlayer::PlaySound()). |
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* @since 2.8 |
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*/ |
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virtual void PlaySoundComplete() = 0; |
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}; |
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/** |
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* This class is used to play sounds and tones for the Camera app |
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* |
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* @since 2.8 |
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*/ |
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class CCamSoundPlayer : public CBase, |
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public MMdaAudioPlayerCallback, |
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public MMdaAudioToneObserver |
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{ |
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public: // Constructors and destructor |
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/** |
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* Two-phased constructor. |
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* @param aObs Observer to be informed when sound playback is complete. |
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*/ |
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static CCamSoundPlayer* NewL( MCamSoundPlayerObserver* aObs ); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CCamSoundPlayer(); |
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public: // New functions |
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/** |
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* Initialises the sound player. |
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* @since 2.8 |
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*/ |
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void InitialiseL(); |
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/** |
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* Starts procedure to play the specified sound |
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* @since 2.8 |
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* @param aSound The sound to play |
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* @param aEnableCallback Whether to call back when play complete |
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*/ |
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void PlaySound( TCamSoundId aSound, TBool aEnableCallback ); |
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/** |
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* Initiates the playing of the specified tone |
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* @since 2.8 |
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* @param aToneHz The frequency of the tone to play in Hertz |
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* @param aLenMicSec The length of tone to play in microseconds |
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* @param aVolume The volume of the tone, range 0.0 to 1.0 |
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* @param aEnableCallback Whether to be called back when playback complete |
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*/ |
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void PlayTone( TInt aToneHz, TInt aLenMicSec, TReal32 aVolume, TBool aEnableCallback ); |
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/** |
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* Called to disable certain key press clicks |
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* @since 2.8 |
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*/ |
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void DisableSelectionKeySoundL(); |
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/** |
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* Called to enable certain key press clicks |
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* @since 2.8 |
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*/ |
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void EnableSelectionKeySound(); |
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/** |
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* Called to disable all key sounds, usually when video recording |
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* is active |
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* @since 2.8 |
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*/ |
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void DisableAllKeySoundsL(); |
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/** |
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* Called to enable all key sounds, usually when video recording |
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* is has stopped |
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* @since 2.8 |
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*/ |
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void EnableAllKeySounds(); |
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/** |
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* Cancels any outstanding tone player activity |
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* @since 3.0 |
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*/ |
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void CancelTonePlayer(); |
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public: // Functions from base classes |
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/** |
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* From MMdaAudioPlayerCallback. |
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* @since 2.8 |
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*/ |
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void MapcInitComplete( TInt aError, |
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const TTimeIntervalMicroSeconds& aDuration ); |
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/** |
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* From MMdaAudioPlayerCallback. |
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* @since 2.8 |
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*/ |
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void MapcPlayComplete( TInt aError ); |
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/** |
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* From MMdaAudioToneObserver. |
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* @since 2.8 |
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*/ |
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void MatoPrepareComplete( TInt aError ); |
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/** |
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* From MMdaAudioToneObserver. |
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* @since 2.8 |
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*/ |
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void MatoPlayComplete( TInt aError ); |
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private: |
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/** |
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* C++ default constructor. |
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* @since 2.8 |
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* @param aObs Observer to be informed when sound playback is complete. |
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*/ |
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CCamSoundPlayer( MCamSoundPlayerObserver* aObs ); |
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/** |
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* By default Symbian 2nd phase constructor is private. |
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*/ |
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void ConstructL(); |
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/** |
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* Starts procedure to play audio (WAV) files. Internal function |
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* @since 2.8 |
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* @param aFile The file to open |
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* @param aEnableCallback Whether to call back when play complete |
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*/ |
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void StartPlaySound( const TDesC& aFile, const TBool aEnableCallback ); |
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/** |
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* Starts procedure to play audio Tone (and RNG) files. Internal function |
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* @since 2.8 |
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* @param aFile The file to open |
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* @param aEnableCallback Whether to call back when play complete |
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*/ |
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void StartPlayTone( const TDesC& aFile, const TBool aEnableCallback ); |
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public: // Data |
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// Audio player utility for WAV sounds (eg Video Recording) |
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CMdaAudioPlayerUtility* iAudioPlayer; |
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// Tone player for TONES (eg Video recording when in call) |
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CMdaAudioToneUtility* iTonePlayer; |
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// Key sound system for Self-timer sound and camera shutter. |
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CAknKeySoundSystem* iKeySoundSystem; |
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// Observer to notify when playback completes |
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MCamSoundPlayerObserver* iObserver; |
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// Whether file open is still in progress |
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TBool iOpenFileInProgress; |
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// Whether a callback for current sound has been requested |
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TBool iEnableCallback; |
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// Whether this class has been initialised yet |
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TBool iInitialised; |
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// Whether selection keys have been silenced |
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TBool iSelectionKeySilent; |
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// Whether all keys have been silenced |
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TBool iAllKeysSilent; |
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// Whether a tone is currently playing |
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TBool iTonePlayInProgress; |
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}; |
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#endif // CAMSOUNDPLAYER_H |
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// End of File |