author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:32:50 +0300 | |
branch | RCL_3 |
changeset 46 | 4376525cdefb |
parent 19 | 04becd199f91 |
child 60 | 6c158198356e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2007 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: This class is used for volume setting |
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* |
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*/ |
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#ifndef CMMAVOLUMECONTROL_H |
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#define CMMAVOLUMECONTROL_H |
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// INCLUDES |
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#include "cmmacontrol.h" |
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#include "mmmaplayerstatelistener.h" |
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#include <mprofilechangeobserver.h> |
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// CONSTANS |
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_LIT(KMMAVolumeControlName, "VolumeControl"); |
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const TInt KMMAVolumeMaxLevel = 100; |
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class CMMAPlayer; |
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class CProfileChangeNotifyHandler; |
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// CLASS DECLARATION |
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/** |
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* This class is used for volume setting |
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* |
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* |
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*/ |
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class CMMAVolumeControl : public CMMAControl, |
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public MMMAPlayerStateListener, |
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public MProfileChangeObserver |
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{ |
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public: |
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static void StaticSetLevelL(CMMAVolumeControl* aVolumeControl, |
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TInt aLevel); |
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static void StaticGetLevelL(CMMAVolumeControl* aVolumeControl, |
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TInt* aLevel); |
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~CMMAVolumeControl(); |
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protected: |
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CMMAVolumeControl(CMMAPlayer* aPlayer); |
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void ConstructBaseL(); |
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/** |
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* Sets the level to player. |
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* @param aLevel Sound level to set. |
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*/ |
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virtual void DoSetLevelL(TInt aLevel) = 0; |
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/** |
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* Get volume level from player. |
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* @return Current level. |
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*/ |
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virtual TInt DoGetLevelL() = 0; |
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public: // From CMMAControl |
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const TDesC& ClassName() const; |
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/** |
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* Refresh volume control. |
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*/ |
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void RefreshControl(); |
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public: // From MMMAPlayerStateListener |
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void StateChanged(TInt aState); |
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public: // from MProfileChangeObserver |
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void HandleActiveProfileEventL(TProfileEvent aProfileEvent, TInt aProfileId ); |
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public: // New methods |
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/** |
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* Adds new volume level to volume control. Actual volume level will |
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* be calculated using all levels added to the control. |
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* @return Index for new level. |
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*/ |
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IMPORT_C TInt AddLevelL(); |
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/** |
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* Sets new volume level for certain level index. After level is set |
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* new actual level is calculated and commited to player in derived |
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* class. |
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* @param aLevelIndex Level's index |
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* @param aVolumeLevel New volume level for level index. Level must be |
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* between 0 and 100. |
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*/ |
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IMPORT_C void SetVolumeLevelL(TInt aLevelIndex, |
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TInt aVolumeLevel); |
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void GetVolumeLevelL(TInt aLevelIndex, |
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TInt* aVolumeLevel); |
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void SetProfilesBasedSoundMutingL(); |
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/** |
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* Sets the audio o/p preference. Based on this the profile based |
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* volume setting is done. |
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*/ |
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IMPORT_C void SetAudioOutputPreferenceL( TInt aRoutingPreference); |
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private: // New methods |
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/** |
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* Refresh volume level, basically set the volume level again. |
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*/ |
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void RefreshVolume(); |
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/** |
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* Sets level if player is started and sends java event level |
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* changed. |
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* @param aLevel Sound level to set. |
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*/ |
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void SetLevelL(TInt aLevel); |
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/** |
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* Calculates new overall level using all values in iLevels array. |
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* @return Current level. |
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*/ |
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TInt CalculateLevel(); |
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void SetJavaSoundVolumeLevelL(); |
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void SetProfileSoundVolumeLevelL(); |
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protected: // data |
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CMMAPlayer* iPlayer; |
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// Previous level setted to player. Used to check if level is changed. |
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TInt iLevel; |
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|
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// Array containing all levels. |
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RArray< TInt > iLevels; |
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// profile change notifier |
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// Owning |
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CProfileChangeNotifyHandler* iProfChangeNotifier; |
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// Current audio o/p preference. |
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TInt iAudioOutputPreference; |
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// Current profile Id. |
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TInt iProfileId; |
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}; |
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#endif // CMMAVOLUMECONTROL_H |