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/*
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* Copyright (c) 2008 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: application class.
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*
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*/
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#include <e32property.h>
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#include <e32debug.h>
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#include "hsapplicationlauncher.h"
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// ========================= DECLARATIONS ==================================
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_LIT( KHsExeName, "hsapplication.exe" );
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_LIT( KHsProcessName, "hsapplication.exe" );
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const TInt KSleepOnRetry = 250000; // 250ms
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const TUid KPSCategoryUid = TUid::Uid( 0x20022F36 );
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const TInt KPSCrashCountKey = 1;
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_LIT_SECURITY_POLICY_C1( KPSReadPolicy, ECapabilityReadDeviceData );
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_LIT_SECURITY_POLICY_C1( KPSWritePolicy, ECapabilityWriteDeviceData );
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// ========================= LOCAL FUNCTIONS ==================================
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC SKIP
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#endif //COVERAGE_MEASUREMENT
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void RunAppL()
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{
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// Construct active scheduler.
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CActiveScheduler* activeScheduler = new ( ELeave )CActiveScheduler();
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CleanupStack::PushL( activeScheduler );
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CActiveScheduler::Install( activeScheduler );
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// Construct app.
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CHsLaunch* app = CHsLaunch::NewL();
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CleanupStack::PushL( app );
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app->Activate();
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// Signal startup.
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RProcess::Rendezvous(KErrNone);
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// Start active scheduler.
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CActiveScheduler::Start();
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User::LeaveIfError( app->ApplicationReturnValue() );
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// Cleanup.
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CleanupStack::PopAndDestroy( app );
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CleanupStack::PopAndDestroy( activeScheduler );
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}
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#ifndef HOMESCREEN_TEST
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// -----------------------------------------------------------------------------
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// E32Main
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// entry-point
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// -----------------------------------------------------------------------------
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//
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TInt E32Main()
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{
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TInt error = KErrNone;
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__UHEAP_MARK;
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// Construct cleanup stack.
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CTrapCleanup* cleanupstack = CTrapCleanup::New();
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if( !cleanupstack )
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{
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error = KErrNoMemory;
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}
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// Call next phase of startup.
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if( !error )
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{
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TRAP( error, RunAppL() );
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}
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// Cleanup.
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delete cleanupstack;
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cleanupstack = NULL;
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__UHEAP_MARKEND;
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return error;
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}
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#endif //HOMESCREEN_TEST
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC ENDSKIP
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#endif //COVERAGE_MEASUREMENT
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// ========================= MEMBER FUNCTIONS ==================================
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// -----------------------------------------------------------------------------
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// CHsLaunch::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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CHsLaunch* CHsLaunch::NewL()
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{
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CHsLaunch* self = new ( ELeave ) CHsLaunch();
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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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// CHsLaunch::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::ConstructL()
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{
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iRepository = CRepository::NewL(TUid::Uid(0x2002b3aa));
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iShutdownMonitor = CHsShutdownMonitor::NewL( *this );
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iShutdownMonitor->StartMonitor();
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// Create property to pub/sub.
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TInt error = RProperty::Define( KPSCrashCountKey,
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RProperty::EInt,
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KPSReadPolicy,
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KPSWritePolicy );
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if( error == KErrNone )
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{
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// Init it to zero.
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error = RProperty::Set( KPSCategoryUid, KPSCrashCountKey, 0 );
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}
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else if( error == KErrAlreadyExists )
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{
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error = KErrNone;
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}
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User::LeaveIfError( error );
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::CHsLaunch()
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// C++ default constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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CHsLaunch::CHsLaunch() :
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CActive( EPriorityStandard ),
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iApplicationReturnValue( KErrNone )
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{
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CActiveScheduler::Add( this );
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::~CHsLaunch()
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CHsLaunch::~CHsLaunch()
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{
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Cancel();
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delete iRepository;
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iRepository = NULL;
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delete iProcessMonitor;
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iProcessMonitor = NULL;
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delete iShutdownMonitor;
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iShutdownMonitor = NULL;
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::Activate()
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// Set active object to be ran
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::Activate()
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{
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SetActive();
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TRequestStatus* tmp = &iStatus;
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User::RequestComplete( tmp, KErrNone );
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::ApplicationReturnValue()
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// Get application return value
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// -----------------------------------------------------------------------------
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//
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TInt CHsLaunch::ApplicationReturnValue()
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{
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return iApplicationReturnValue;
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::RunL
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::RunL()
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{
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#if defined( __WINS__ )
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StartHomeScreen();
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#else
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if (IsLanguageSelectedL())
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{
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StartHomeScreen();
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}
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else
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{
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StartListeningLanguageSelectionL();
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}
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#endif //__WINS__
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::DoCancel()
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// From CActive.
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::DoCancel()
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{
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if( iProcessMonitor )
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{
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iProcessMonitor->Cancel();
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}
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if( iShutdownMonitor )
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{
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iShutdownMonitor->Cancel();
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}
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::RunError()
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// From CActive.
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// -----------------------------------------------------------------------------
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//
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TInt CHsLaunch::RunError( TInt /*aError*/ )
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{
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/* Shutdown. This application
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* will be restarted by startup sw. */
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ShutdownApp( KErrGeneral );
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return KErrNone;
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::HandleNotifyInt()
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// From MCenRepNotifyHandlerCallback
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::HandleNotifyInt(TUint32 aId, TInt aNewValue)
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{
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if (aId == 0x00000007 && aNewValue)
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{
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StopListeningLanguageSelection();
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StartHomeScreen();
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}
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::ProcessEndedL()
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// From MHsProcessMonitorObserver
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::ProcessEnded( const TExitType& aExitType,
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const TInt aExitReason,
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const TExitCategoryName& /*aExitCategory*/ )
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{
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TInt crashCount = 0;
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TInt error = RProperty::Get( KPSCategoryUid,
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KPSCrashCountKey,
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crashCount );
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// increment crash count in cenrep if the process has panic'd or killed with
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// an error code
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if( aExitType == EExitPanic ||
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( aExitType == EExitKill && aExitReason != KErrNone ) )
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{
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if( error == KErrNone )
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{
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crashCount++;
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error = RProperty::Set( KPSCategoryUid,
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KPSCrashCountKey,
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crashCount );
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}
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if( error == KErrNone )
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{
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User::After( KSleepOnRetry );
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Activate();
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}
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else
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{
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ShutdownApp( error );
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}
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}
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::ProcessMonitoringErrorL()
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// From MHsProcessMonitorObserver
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::ProcessMonitoringError( TInt aError )
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{
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/* Error in this method is critical and it might cause
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* endless active scheduler loop if no active objects are
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* not triggered. Therefore shutdown. This application
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* will be restarted by startup sw. */
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ShutdownApp( aError );
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::SystemShutdownEvent()
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// From MHsShutdownMonitorObserver
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::SystemShutdownEvent()
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{
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// Do not shut down app. Startup app would try to restart this app.
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// Just deactivate all active objects and wait for power off.
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if( IsActive() )
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{
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Cancel();
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}
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else
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{
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DoCancel();
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}
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::InitProcessMonitorL()
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// Initialize process monitor
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::InitProcessMonitorL( const TInt aProcessId )
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{
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if( iProcessMonitor )
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{
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delete iProcessMonitor;
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iProcessMonitor = NULL;
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}
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iProcessMonitor = CHsProcessMonitor::NewL( aProcessId, *this );
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User::LeaveIfError( iProcessMonitor->StartMonitor() );
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::ShutdownApp()
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// Shut down application
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::ShutdownApp( const TInt aApplicationReturnValue )
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{
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if( IsActive() )
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{
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Cancel();
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}
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else
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{
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DoCancel();
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}
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iApplicationReturnValue = aApplicationReturnValue;
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#ifndef HOMESCREEN_TEST
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CActiveScheduler::Stop();
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#endif //HOMESCREEN_TEST
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::StartHomeScreen()
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// Starts the homescreen application.
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::StartHomeScreen()
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{
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// Create app or connect to existing.
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TInt processExisted = EFalse;
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RProcess process;
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TInt processError = process.Create( KHsExeName, KNullDesC );
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if( processError == KErrAlreadyExists )
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{
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processError = process.Open( KHsProcessName, EOwnerProcess );
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processExisted = ETrue;
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}
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TInt monitorError = KErrNone;
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if( processError == KErrNone )
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{
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TRAP( monitorError, InitProcessMonitorL( process.Id() ) );
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}
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if( processError == KErrNone &&
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!processExisted )
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{
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// Make sure process is started even if monitor startup
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// fails. This will assure that process is not left in
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// suspended state. Resume can not be called for
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// already running process (will cause KERN-EXEC 46).
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process.Resume();
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}
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process.Close();
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if( processError != KErrNone ||
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monitorError != KErrNone )
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{
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/* Error in this method is critical and it might cause
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* endless active scheduler loop if no active objects are
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* not triggered. Therefore shutdown. This application
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* will be restarted by startup sw. */
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ShutdownApp( KErrGeneral );
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}
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::IsLanguageSelected()
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// Checks if the language is selected.
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// -----------------------------------------------------------------------------
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//
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TBool CHsLaunch::IsLanguageSelectedL()
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{
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TInt value;
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User::LeaveIfError(iRepository->Get(0x00000007, value));
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return value;
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::StartListeningLanguageSelection()
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// Starts to listen repository notifications.
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::StartListeningLanguageSelectionL()
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{
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iCenRepNotifyHandler = CCenRepNotifyHandler::NewL(
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*this, *iRepository, CCenRepNotifyHandler::EIntKey, 0x00000007);
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iCenRepNotifyHandler->StartListeningL();
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}
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// -----------------------------------------------------------------------------
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// CHsLaunch::StopListeningLanguageSelection()
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// Stops to listen repository notifications.
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// -----------------------------------------------------------------------------
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//
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void CHsLaunch::StopListeningLanguageSelection()
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{
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iCenRepNotifyHandler->StopListening();
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delete iCenRepNotifyHandler;
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iCenRepNotifyHandler = NULL;
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}
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// End of File
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