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/*
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* Copyright (c) 2008-2009 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: Handles & propogates UI state change notifications.
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*
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*/
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/**
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* @internal reviewed 24/08/2007 by D Holland
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*/
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// Class header
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#include "glxtv.h"
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// External includes
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#include <w32std.h> // for TWsVisibilityChangedEvent
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// INTERNAL INCLUDES
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#include <glxlog.h> // for debug logging
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#include <glxtracer.h> // for debug logging
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#include <glxpanic.h> // for Gallery panic codes
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#include <glxtvconstants.h> // for ETvConnectionChanged, TV heights
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#include <centralrepository.h> // for CRepository
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#ifdef __MARM
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#include <GSServerEngine.h>
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#endif
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// GLXTVOUT INCLUDES
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#include "mglxtvobserver.h" // for MGlxTvObserver
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#include "glxwindowvisibilitymonitor.h" // for CGlxWindowVisibilityMonitor
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#include "glxtvconnectionmonitor.h" // for CGlxTvConnectionMonitor
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const TUid KCRUidTvoutSettings = {0x1020730B};
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using namespace glxTvOut;
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/**
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* CGlxTvOutCenRepMonitor
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* CGlxTv conainted class for observing changes in central
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* repository TV aspect Ratio value
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* @author Loughlin Spollen
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*/
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NONSHARABLE_CLASS( CGlxTv::CGlxTvOutCenRepMonitor )
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: public CActive
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{
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public: // Constructors and destructor
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/**
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* Symbian Constructor.
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* @param The TV Observer
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* @param The central repository
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* @return constructed object
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*/
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static CGlxTvOutCenRepMonitor* NewL(MGlxTvObserver& aTvObserver,
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CRepository& aRepository);
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/**
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* Destructor.
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*/
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~CGlxTvOutCenRepMonitor();
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private:
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/**
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* C++ constructor.
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* @param The TV Observer
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* @param The central repository
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* @return constructed object
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*/
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CGlxTvOutCenRepMonitor(MGlxTvObserver& aTvObserver,
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CRepository& aRepository);
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/**
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* 2nd phase constructor
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*/
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void ConstructL();
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protected: // from CActive
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/**
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* @ref CActive::RunL
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*/
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void RunL();
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/**
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* @ref CActive::DoCancel
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*/
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void DoCancel();
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/**
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* @ref CActive::RunError
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*/
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TInt RunError(TInt aError);
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private:
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// Not Owned: the Glx TV observer
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MGlxTvObserver& iTvObserver;
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// Not Owned: the central repository API
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CRepository& iRepository;
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TUint iSettingsTVAspectRatio;
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// the central repository identifier
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TUid iRepositoryUid;
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};
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// -----------------------------------------------------------------------------
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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CGlxTv::CGlxTvOutCenRepMonitor* CGlxTv::CGlxTvOutCenRepMonitor::NewL
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( MGlxTvObserver& aTvObserver,
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CRepository& aRepository )
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::NewL()");
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CGlxTvOutCenRepMonitor* self
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= new(ELeave) CGlxTvOutCenRepMonitor( aTvObserver, aRepository );
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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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// C++ constructor.
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// -----------------------------------------------------------------------------
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inline CGlxTv::CGlxTvOutCenRepMonitor::CGlxTvOutCenRepMonitor
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( MGlxTvObserver& aTvObserver,
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CRepository& aRepository )
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: CActive( EPriorityStandard ),
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iTvObserver ( aTvObserver ),
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iRepository( aRepository )
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::CGlxTvOutCenRepMonitor()");
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}
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// ----------------------------------------------------------------------------
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// Symbian 2nd phase constructor
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// ----------------------------------------------------------------------------
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void CGlxTv::CGlxTvOutCenRepMonitor::ConstructL()
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::ConstructL");
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CActiveScheduler::Add( this );
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#ifdef __MARM
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CGSServerEngine* gsServerEngine= CGSServerEngine::NewLC();
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iSettingsTVAspectRatio = gsServerEngine->AspectRatioL();
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CleanupStack::Pop(gsServerEngine);
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#else
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iSettingsTVAspectRatio = 0;
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#endif
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}
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// ----------------------------------------------------------------------------
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// Destructor
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// ----------------------------------------------------------------------------
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CGlxTv::CGlxTvOutCenRepMonitor::~CGlxTvOutCenRepMonitor()
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{
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TRACER("CGlxTv::~CGlxTvOutCenRepMonitor()");
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Cancel();
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}
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// ----------------------------------------------------------------------------
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// CGlxTvOutCenRepMonitor::RunL
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// From class CActive.
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// ----------------------------------------------------------------------------
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void CGlxTv::CGlxTvOutCenRepMonitor::RunL()
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::RunL");
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// Check for errors
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User::LeaveIfError( iStatus.Int() );
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GLX_LOG_INFO("CGlxTvOutCenRepMonitor - RunL completed with Err Code");
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User::LeaveIfError( iRepository.NotifyRequest( iSettingsTVAspectRatio, iStatus ) );
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if (!IsActive())
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{
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SetActive();
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iTvObserver.HandleTvStatusChangedL( ETvConnectionChanged );
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}
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}
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// ----------------------------------------------------------------------------
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// CGlxTvOutCenRepMonitor::DoCancel
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// From class CActive.
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// ----------------------------------------------------------------------------
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void CGlxTv::CGlxTvOutCenRepMonitor::DoCancel()
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::DoCancel()");
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iRepository.NotifyCancel( iSettingsTVAspectRatio );
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}
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//-----------------------------------------------------------------------------
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// CGlxTvOutCenRepMonitor::RunError
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// From class CActive.
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//-----------------------------------------------------------------------------
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//
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TInt CGlxTv::CGlxTvOutCenRepMonitor::RunError( TInt /*aError*/ )
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{
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TRACER("CGlxTv::CGlxTvOutCenRepMonitor::RunError()");
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return KErrNone;
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}
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//-----------------------------------------------------------------------------
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// Return new object
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//-----------------------------------------------------------------------------
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//
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EXPORT_C CGlxTv* CGlxTv::NewL( MGlxTvObserver& aTvObserver )
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{
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TRACER("CGlxTv::NewL()");
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CGlxTv* self = new (ELeave) CGlxTv( aTvObserver );
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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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// Destructor
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//-----------------------------------------------------------------------------
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//
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EXPORT_C CGlxTv::~CGlxTv()
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{
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TRACER("CGlxTv::~CGlxTv()");
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StopMonitoringEnvironment();
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delete iTvConnectionMonitor;
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}
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//-----------------------------------------------------------------------------
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// Default C++ constructor
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//-----------------------------------------------------------------------------
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//
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CGlxTv::CGlxTv( MGlxTvObserver& aTvObserver ) : iTvObserver( aTvObserver ),
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iAspectRatio( KErrUnknown )
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{
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TRACER("CGlxTv::CGlxTv()");
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}
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//-----------------------------------------------------------------------------
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// Symbian second phase constructor
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::ConstructL()
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{
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TRACER("CGlxTv::ConstructL()");
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// Don't create the visibility monitor until the TV Out cable is connected
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// Owned: The TV connection monitor
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iTvConnectionMonitor = CGlxTvConnectionMonitor::NewL( *this );
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if ( iTvConnectionMonitor->IsConnected() )
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{
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// Start monitoring the environment for changes
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MonitorEnvironmentL();
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// Calculate the TV Out screen buffer size
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CalcTvScreenSzL();
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}
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}
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//-----------------------------------------------------------------------------
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// returns the TV screen size
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//-----------------------------------------------------------------------------
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//
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EXPORT_C TSize CGlxTv::ScreenSizeL() const
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{
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TRACER("CGlxTv::ScreenSizeL()");
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return iSzInPixels;
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}
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//-----------------------------------------------------------------------------
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// Is the analog TV Connected
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//-----------------------------------------------------------------------------
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//
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EXPORT_C TBool CGlxTv::IsConnected() const
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{
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TRACER("CGlxTv::IsConnected()");
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return iTvConnectionMonitor->IsConnected();
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}
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//-----------------------------------------------------------------------------
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// Is the HDMI TV Connected
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//-----------------------------------------------------------------------------
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//
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EXPORT_C TBool CGlxTv::IsHDMIConnected() const
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{
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TRACER("CGlxTv::IsHDMIConnected()");
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return iTvConnectionMonitor->IsHDMIConnected();
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}
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//-----------------------------------------------------------------------------
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// Is the TV widescreen
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//-----------------------------------------------------------------------------
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//
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EXPORT_C TBool CGlxTv::IsWidescreen() const
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{
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TRACER("CGlxTv::IsWidescreen()");
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return iAspectRatio == KGlxTvAspectWide;
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}
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//-----------------------------------------------------------------------------
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// From class MGlxWindowVisibilityObserver.
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// Called when window becomes fully visible or not visible.
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::HandleWindowVisibilityChangedL( TTvChangeType aChangeType )
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{
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TRACER("CGlxTv::HandleWindowVisibilityChangedL()");
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iTvObserver.HandleTvStatusChangedL( aChangeType );
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}
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//-----------------------------------------------------------------------------
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// From class MGlxTvConnectionObserver.
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// Called when TV connection state changes
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::HandleTvConnectionStatusChangedL(TTvChangeType aChangeType)
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{
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TRACER("CGlxTv::HandleTvConnectionStatusChangedL()");
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if (iTvConnectionMonitor->IsConnected())
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{
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// Start monitoring the environment for changes
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MonitorEnvironmentL();
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// Calculate the TV Out screen buffer
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CalcTvScreenSzL();
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}
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else
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{
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StopMonitoringEnvironment();
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}
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iTvObserver.HandleTvStatusChangedL(aChangeType);
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}
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//-----------------------------------------------------------------------------
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// Retrieve the TV display aspect ratio
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::CalcTvScreenSzL()
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{
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TRACER("CGlxTv::CalcTvScreenSzL()");
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// Retrieve the aspect ratio and the settings info from CenRep
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iAspectRatio = KErrNotFound;
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#ifdef __MARM
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CGSServerEngine* gsServerEngine = CGSServerEngine::NewLC();
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iAspectRatio = gsServerEngine->AspectRatioL();
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CleanupStack::Pop(gsServerEngine);
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User::LeaveIfError( iAspectRatio );
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#else
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iAspectRatio = 0;
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#endif
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// note: Constants are defined in the GSServerEngine.cpp and not exported
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// they are defined locally in glxtvconstants.h
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switch( iAspectRatio )
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{
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case KGlxTvAspectWide:
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{
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iSzInPixels = TSize ( KGlxTvOutWidthWide, KGlxTvOutHeightWide) ;
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break;
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}
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case KGlxTvAspectNormal:
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{
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iSzInPixels = TSize ( KGlxTvOutWidth, KGlxTvOutHeight );
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break;
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}
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default:
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{
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User::Leave(KErrUnknown);
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}
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}
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}
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//-----------------------------------------------------------------------------
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// From class MonitorEnvironmentL.
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// Called when TV connection state changes to connected
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::MonitorEnvironmentL()
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{
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TRACER("CGlxTv::MonitorEnvironmentL()");
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// Instantiate the central repository
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if (!iCenRep)
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{
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// The Uid is hardcoded here as the hrh file giving us the Uid has been depricated and
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// moved to a private folder
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iCenRep = CRepository::NewL( KCRUidTvoutSettings );
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}
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// Monitor changes to the aspect ratio in the central repository
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if (!iTvDisplayAspectRatioMonitor)
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{
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iTvDisplayAspectRatioMonitor
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= CGlxTvOutCenRepMonitor::NewL( iTvObserver, *iCenRep );
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}
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// create window visibility monitoring object
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if ( !iWindowVisibilityMonitor )
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{
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iWindowVisibilityMonitor =
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CGlxWindowVisibilityMonitor::NewL( *this );
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}
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}
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//-----------------------------------------------------------------------------
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// StopMonitoringEnvironment().
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// Called when TV connection state changes to disconnected
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//-----------------------------------------------------------------------------
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//
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void CGlxTv::StopMonitoringEnvironment()
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{
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TRACER("CGlxTv::StopMonitoringEnvironment()");
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460 |
delete iTvDisplayAspectRatioMonitor; // destroy before iCenRep - must cancel
|
|
461 |
iTvDisplayAspectRatioMonitor = NULL; // outstanding requests
|
|
462 |
if (iWindowVisibilityMonitor)
|
|
463 |
{
|
|
464 |
iWindowVisibilityMonitor->Close();
|
|
465 |
}
|
|
466 |
delete iWindowVisibilityMonitor;
|
|
467 |
iWindowVisibilityMonitor = NULL;
|
|
468 |
delete iCenRep;
|
|
469 |
iCenRep = NULL;
|
|
470 |
}
|
|
471 |
|
|
472 |
|
|
473 |
// End of file
|