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/*
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* Copyright (c) 2005-2009 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: Declares USB UI notifiers base class.
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*
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*/
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// INCLUDE FILES
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#include <eikenv.h> // Eikon environment
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#include <bautils.h> // BAFL utils (for language file)
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#include <StringLoader.h> // Localisation stringloader
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#include <centralrepository.h>
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#include <coreapplicationuisdomainpskeys.h>
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#include <data_caging_path_literals.hrh>
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#include <featmgr.h>
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#include <AknNotiferAppServerApplication.h>
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#include "usbnotifier.h" // Own class
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#include "usbuinotifdebug.h"
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#include "aknkeylock.h" //RAknKeyLock
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// CONSTANTS
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// ================= MEMBER FUNCTIONS =========================================
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::CBTNotifierBase
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// C++ default constructor can NOT contain any code, that
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// might leave. Sets the AOs priority and puts
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// itself to the active scheduler stack.
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// ----------------------------------------------------------------------------
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//
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CUSBUINotifierBase::CUSBUINotifierBase() :
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CActive( EPriorityStandard )
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Default constructor()"));
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CActiveScheduler::Add( this );
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::ConstructL
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// Symbian 2nd phase constructor can leave.
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// Create registry object and open resource file.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::ConstructL()
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{
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iEikEnv = CEikonEnv::Static();
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iAppsKeyBlocked = EFalse;
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iKeylockChanged = EFalse;
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::ConstructL()"));
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TFileName filename;
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const TDriveNumber KStoreDrive = EDriveZ;
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TDriveUnit driveUnit( KStoreDrive );
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TDriveName drive = driveUnit.Name();
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filename.Insert( 0, drive );
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filename += KDC_RESOURCE_FILES_DIR; // From data_caging_path_literals.hrh
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filename += KResourceFileName;
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BaflUtils::NearestLanguageFile( iEikEnv->FsSession(), filename );
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iResourceFileFlag = iEikEnv->AddResourceFileL( filename );
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FeatureManager::InitializeLibL();
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iCoverDisplaySupported = FeatureManager::FeatureSupported(
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KFeatureIdCoverDisplay );
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FeatureManager::UnInitializeLib();
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::ConstructL() completed"));
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}
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// ----------------------------------------------------------------------------
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// Destructor.
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// ----------------------------------------------------------------------------
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//
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CUSBUINotifierBase::~CUSBUINotifierBase()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Destructor"));
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//Make sure that the request is completed. Note that inside the destructor,
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//this virtual function call is to the local CUSBUINotifierBase::Cancel,
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//not to any possibly derived class implementation.
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Cancel();
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iEikEnv->DeleteResourceFile( iResourceFileFlag );
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// Complete the RMessage2 if needed
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//
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CompleteMessage( KErrDied );
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// Activate apps -key again (if not previously activated yet)
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SuppressAppSwitching( EFalse );
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// Restore the keylock if not restored before (caused by Leave).
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// If the Keylock is restored already, the function does nothing.
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RestoreKeylock();
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Destructor completed"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::Release
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// Release itself. Call to destructor.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::Release()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Release()"));
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delete this;
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::Info
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// Return registered information.
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// ----------------------------------------------------------------------------
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//
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CUSBUINotifierBase::TNotifierInfo CUSBUINotifierBase::Info() const
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{
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FTRACE(FPrint(_L("[USBUINOTIF]\t CUSBUINotifierBase::Info() id %d channel %d priority %d"), iInfo.iUid, iInfo.iChannel, iInfo.iPriority ));
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return iInfo;
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::StartL
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// Synchronic notifier launch. Does nothing
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// ----------------------------------------------------------------------------
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//
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TPtrC8 CUSBUINotifierBase::StartL(const TDesC8& /*aBuffer*/)
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::StartL()"));
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TPtrC8 ret( KNullDesC8 );
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return (ret);
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::StartL
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// Asynchronic notifier launch.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::StartL(const TDesC8& aBuffer, TInt aReplySlot,
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const RMessagePtr2& aMessage)
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::StartL()"));
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TRAPD( err, GetParamsL( aBuffer, aReplySlot, aMessage ));
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if (err)
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{
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aMessage.Complete( err );
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iNeedToCompleteMessage = EFalse;
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User::Leave( err );
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}
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::StartL completed()"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::Cancel
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// Cancelling method.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::Cancel()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Cancel()"));
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CActive::Cancel();
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::Cancel completed()"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::UpdateL
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// Notifier update. Not supported.
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// ----------------------------------------------------------------------------
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//
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TPtrC8 CUSBUINotifierBase::UpdateL(const TDesC8& /*aBuffer*/)
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{
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TPtrC8 ret( KNullDesC8 );
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return (ret);
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::DoCancel
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// This method will be called by framework (CActive)
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// if active object is still active.
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// Does nothing here.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::DoCancel()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::DoCancel()"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::RunError
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// This method is called if any leaving has been occured
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// during RunL. Optional method for CActive derived objects.
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// ----------------------------------------------------------------------------
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//
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TInt CUSBUINotifierBase::RunError(TInt aError)
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RunError()"));
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// Activate apps -key again (if not previously activated yet)
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//
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SuppressAppSwitching( EFalse );
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// Write error message to caller
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//
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CompleteMessage( aError );
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RunError() completed"));
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return aError;
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::SuppressAppSwitching
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//
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::SuppressAppSwitching(TBool aEnable)
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{
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FTRACE(FPrint(_L("[USBUINOTIF]\t CUSBUINotifierBase::SuppressAppSwitching() %d"), aEnable));
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if (iAppsKeyBlocked != aEnable)
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{
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TInt err = iAknServer.ConnectAndSendAppsKeySuppress( aEnable ); // error is stored only for logging purposes
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iAppsKeyBlocked = aEnable;
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FTRACE(FPrint(_L("[USBUINOTIF]\t CUSBUINotifierBase::SuppressAppSwitching() ConnectAndSendAppsKeySuppress returned %d"), err ));
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}
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if (!iAppsKeyBlocked)
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{
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iAknServer.Close(); // close the connection once we have re-enabled swithcing
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}
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::SuppressAppSwitching() completed"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::CompleteMessage
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// Check if message needs to be completed and complete it.
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// ----------------------------------------------------------------------------
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//
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void CUSBUINotifierBase::CompleteMessage(TInt aReason)
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::CompleteMessage()"));
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if (iNeedToCompleteMessage)
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{
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iMessage.Complete( aReason );
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iNeedToCompleteMessage = EFalse;
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}
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iReplySlot = 0;
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::CompleteMessage() completed"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::DisableKeylock
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// ----------------------------------------------------------------------------
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// Turn off the keyguard if it was on.
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//
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void CUSBUINotifierBase::DisableKeylock()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::DisableKeylock()"));
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RAknKeylock2 keylock;
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iKeylockChanged = EFalse;
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if (KErrNone == keylock.Connect())
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{
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if (keylock.IsKeyLockEnabled()) //Check and save the keylock status
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{
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keylock.DisableWithoutNote();// Unlock
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iKeylockChanged = ETrue;
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}
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keylock.Close();
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}
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else
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{
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FLOG( _L( "[USBUINOTIF]\t CUSBUINotifierBase::DisableKeylock() fail caused by RAknKeylock2::Connect()") );
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}
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::DisableKeylock() completed"));
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}
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// ----------------------------------------------------------------------------
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// CUSBUINotifierBase::RestoreKeylock
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// ----------------------------------------------------------------------------
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// Restore the keyguard on.
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//
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void CUSBUINotifierBase::RestoreKeylock()
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock()"));
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if (iKeylockChanged)
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock(): iKeylockChanged true"));
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RAknKeylock2 keylock;
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock(): RAknKeyLock2 initialized"));
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if (KErrNone == keylock.Connect())
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{
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock(): RAknKeyLock2::Connect() complete"));
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keylock.EnableWithoutNote();// Lock back
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock(): RAknKeyLock2::EnableWithoutNote() complete"));
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keylock.Close();
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock(): RAknKeyLock2::Close() complete"));
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iKeylockChanged = EFalse;
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}
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else
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{
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FLOG( _L( "[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock() fail caused by RAknKeylock2::Connect()") );
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}
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}
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FLOG(_L("[USBUINOTIF]\t CUSBUINotifierBase::RestoreKeylock() completed"));
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}
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// End of File
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