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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: It completes on a change in the volume property. Used for
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* the new Central Repository Server. Used in EKA2 builds only
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*
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*/
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#include <eikapp.h>
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#include <aknconsts.h>
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#include <browseruisdkcrkeys.h>
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#include "VolumeKeyListener.h"
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#include "MRepositoryVolumeObserver.h"
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// CONSTANTS
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const TInt KFirstTimerExpiryInterval = 1; // Expire immediately
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const TInt KTimerExpiryInterval = KAknStandardKeyboardRepeatRate;
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const TInt KMinVolume = 0; // Minimum volume level(Mute)
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const TInt KMaxVolume = 10; // Maximum volume level
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// ----------------------------------------------------
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// CVolumeKeyListener::NewL
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// Description: static constructor.
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// Output: none
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// Return: CVolumeKeyListener object
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// ----------------------------------------------------
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CVolumeKeyListener* CVolumeKeyListener::NewL( MRepositoryVolumeObserver* aObserver )
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{
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CVolumeKeyListener* self = new(ELeave) CVolumeKeyListener(
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aObserver);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::CVolumeKeyListener
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// Description: constructor.
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// Output: none
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// Return: none
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// ----------------------------------------------------
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CVolumeKeyListener::CVolumeKeyListener( MRepositoryVolumeObserver* aObserver ):
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iInterfaceSelector(NULL),
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iSelector(NULL),
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iCenRepos(NULL),
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iObserver(aObserver)
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{
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::ConstructL
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// Description: second phase constructor.
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// Input: aObserver: link to the calling object
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// Output: none
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// Return: none
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// ----------------------------------------------------
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void CVolumeKeyListener::ConstructL()
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{
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//
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// Open a connection to receive Volume Key events.
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iSelector = CRemConInterfaceSelector::NewL();
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iInterfaceSelector = CRemConCoreApiTarget::NewL(*iSelector,*this);
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TRAP_IGNORE(iSelector->OpenTargetL());
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// Timer for implementing repeat
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iTimer = CPeriodic::NewL(CActive::EPriorityStandard);
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//
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// Open a connection to the Central Repository...
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iCenRepos = CRepository::NewL(KCRUidBrowser);
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// iObservers=new(ELeave)CArrayFixSeg<MVolumePropertyWatchObserver*>
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// (KVolumeObserversArrayGranularity);
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::~CVolumeKeyListener
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// Description: destructor.
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// Input: none
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// Output: none
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// ----------------------------------------------------
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CVolumeKeyListener::~CVolumeKeyListener()
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{
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if(iSelector)
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{
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delete iSelector;
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iInterfaceSelector=NULL;
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iSelector=NULL; //iSelector has been deleted by "delete iInterfaceSelector"
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}
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if(iTimer)
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{
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iTimer->Cancel();
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delete iTimer;
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}
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if(iCenRepos)
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{
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delete iCenRepos;
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}
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::SetObserver
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// Description: Used to set an observer
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// Input: aObserver: Point to observer
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// Output: none
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// Return: none
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// ----------------------------------------------------
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void CVolumeKeyListener::SetObserver( MRepositoryVolumeObserver* aObserver)
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{
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iObserver = aObserver;
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::GetCurrentVolume
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// Description: gets the current volume level from the
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// central directory.
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// Input: none
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// Output: none
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// Return: volume level
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// ----------------------------------------------------
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TInt CVolumeKeyListener::GetCurrentVolume()
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{
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TInt currentVolume = 0;
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//
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// Get the current volume
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if(iCenRepos)
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iCenRepos->Get(KBrowserMediaVolumeControl, currentVolume);
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/*
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#if defined(__WINSCW__) //offset required on the emulator
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currentVolume += WINS_DEFAULT_VOLUME;
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#endif
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*/
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return currentVolume;
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}
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// ----------------------------------------------------
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// CVolumeKeyListener::MrccatoCommand
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// Description: A Volume key command has been received
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// (from MRemConCoreApiTargetObserver)
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// Input:aOperationId The operation ID of the command
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// aButtonAct The button action associated with the command.
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// Output: none
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// Return: none
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// ----------------------------------------------------
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void CVolumeKeyListener::MrccatoCommand(TRemConCoreApiOperationId aOperationId,
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TRemConCoreApiButtonAction aButtonAct )
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{
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switch(aOperationId)
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{
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case ERemConCoreApiVolumeUp:
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{
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switch (aButtonAct)
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{
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case ERemConCoreApiButtonPress:
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{
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//Start Timer
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if (!iTimer->IsActive())
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{
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iCommandId = EVolumeControlCmdVolumeUpByOne;
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iTimer->Start(KFirstTimerExpiryInterval,
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KTimerExpiryInterval,
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TCallBack(TimerCallback, this));
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}
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break;
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}
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case ERemConCoreApiButtonRelease:
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{
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iTimer->Cancel();
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break;
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}
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case ERemConCoreApiButtonClick:
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{
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FilterAndSendCommand(EVolumeControlCmdVolumeUpByOne);
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break;
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}
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default:
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{
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break;
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}
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}
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break;
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}
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case ERemConCoreApiVolumeDown:
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{
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switch (aButtonAct)
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{
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case ERemConCoreApiButtonPress:
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{
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//Start Timer
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iCommandId = EVolumeControlCmdVolumeDownByOne;
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if (!iTimer->IsActive())
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{
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iTimer->Start(KFirstTimerExpiryInterval,
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KTimerExpiryInterval,
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TCallBack(TimerCallback, this));
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}
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break;
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}
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case ERemConCoreApiButtonRelease:
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{
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iTimer->Cancel();
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break;
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}
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case ERemConCoreApiButtonClick:
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{
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FilterAndSendCommand(EVolumeControlCmdVolumeDownByOne);
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break;
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}
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default:
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{
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break;
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}
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}
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break;
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}
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default:
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{
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break;
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}
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}
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}
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// -----------------------------------------------------------------------
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// CVolumeKeyListener::HandleRepeatEvent
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// -----------------------------------------------------------------------
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//
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void CVolumeKeyListener::HandleRepeatEvent()
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{
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FilterAndSendCommand(iCommandId);
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}
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// -----------------------------------------------------------------------
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// CVolumeKeyListener::TimerCallback
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// -----------------------------------------------------------------------
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//
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TInt CVolumeKeyListener::TimerCallback(TAny* aPtr)
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{
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static_cast<CVolumeKeyListener*>(aPtr)->HandleRepeatEvent();
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return KErrNone;
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}
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// -----------------------------------------------------------------------
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// CVolumeKeyListener::FilterAndSendCommand
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// -----------------------------------------------------------------------
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//
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void CVolumeKeyListener::FilterAndSendCommand(TInt aCommandId)
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{
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TInt currentVolume = 0;
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iCenRepos->Get(KBrowserMediaVolumeControl,currentVolume);
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switch(aCommandId)
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{
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case EVolumeControlCmdVolumeUpByOne:
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currentVolume=(currentVolume< KMaxVolume)? ++currentVolume : KMaxVolume;
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break;
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case EVolumeControlCmdVolumeDownByOne:
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currentVolume=(currentVolume> KMinVolume)? --currentVolume : KMinVolume;
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break;
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default:
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break;
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}
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iCenRepos->Set(KBrowserMediaVolumeControl,currentVolume);
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#if defined(__WINS__) //offset required on the emulator
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currentVolume += WINS_DEFAULT_VOLUME;
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#endif
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if(iObserver)
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iObserver->VolumeChanged(currentVolume);
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}
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// End of File
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