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/*
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* Copyright (c) 2007-2008 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: The pause handling control for the slideshow
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*
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*/
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// CLASS HEADER
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#include "shwslideshowpausehandler.h"
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// EXTERNAL INCLUDES
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// INTERNAL INCLUDES
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#include "shwslideshowengine.h"
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#include <glxlog.h>
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#include <glxtracer.h>
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// -----------------------------------------------------------------------------
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// C++ Constructor. inlined to save a few bits of ROM
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// -----------------------------------------------------------------------------
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inline CShwSlideShowPauseHandler::CShwSlideShowPauseHandler(
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CShwSlideshowEngine& aEngine )
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: iEngine( aEngine ),
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iInCall( EFalse ), // set to false just to clarify
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iUserPaused( EFalse ), // set to false to clarify
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iOnForeground( ETrue ) // we are on foreground by default
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{
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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// NewL. Static construction
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// -----------------------------------------------------------------------------
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CShwSlideShowPauseHandler* CShwSlideShowPauseHandler::NewL(
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CShwSlideshowEngine& aEngine )
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{
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TRACER("CShwSlideShowPauseHandler::OfferKeyEventL");
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GLX_LOG_INFO( "CShwSlideShowPauseHandler::NewL" );
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CShwSlideShowPauseHandler* self =
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new( ELeave ) CShwSlideShowPauseHandler( aEngine );
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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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CShwSlideShowPauseHandler::~CShwSlideShowPauseHandler()
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{
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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// UserToggledControlsVisibiltyL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::ToggleUiControlsVisibiltyL()
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{
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iEngine.ToggleUiControlsVisibiltyL();
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}
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// -----------------------------------------------------------------------------
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// UserToggledPauseL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::UserToggledPauseL()
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{
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TRACER("CShwSlideShowPauseHandler::UserToggledPauseL");
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GLX_LOG_INFO(
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"CShwSlideShowPauseHandler::UserToggledPauseL" );
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// get the engine state unless we are on background
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if( iOnForeground )
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{
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CShwSlideshowEngine::TShwState state = iEngine.State();
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if ( CShwSlideshowEngine::EShwStateRunning == state )
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{
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// user paused us
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iUserPaused = ETrue;
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// Calling PauseL on the engine results in the view receiving an
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// paused event from engine observer.
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iEngine.PauseL();
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}
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else if ( CShwSlideshowEngine::EShwStatePaused == state )
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{
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// user resumed us
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iUserPaused = EFalse;
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// if engine is paused, resume
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iEngine.ResumeL();
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}
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}
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}
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// -----------------------------------------------------------------------------
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// PhoneCallStartedL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::PhoneCallStartedL()
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{
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TRACER("CShwSlideShowPauseHandler::PhoneCallStartedL");
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GLX_LOG_INFO(
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"CShwSlideShowPauseHandler::PhoneCallStartedL" );
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// set state to in call
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iInCall = ETrue;
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// get the engine state
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CShwSlideshowEngine::TShwState state = iEngine.State();
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// if engine is running
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if ( CShwSlideshowEngine::EShwStateRunning == state )
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{
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// Calling PauseL on the engine results in the view receiving an
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// paused event from engine observer.
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iEngine.PauseL();
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}
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}
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// -----------------------------------------------------------------------------
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// PhoneCallEndedL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::PhoneCallEndedL()
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{
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TRACER("CShwSlideShowPauseHandler::PhoneCallEndedL");
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GLX_LOG_INFO(
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"CShwSlideShowPauseHandler::PhoneCallEndedL" );
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// set state to not in call
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iInCall = EFalse;
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// only resume when we are on foreground
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if( iOnForeground )
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{
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// get the engine state
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CShwSlideshowEngine::TShwState state = iEngine.State();
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// if not paused by user and engine is paused, resume
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if( ( !iUserPaused )&&
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( CShwSlideshowEngine::EShwStatePaused == state ) )
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{
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iEngine.ResumeL();
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}
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}
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}
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// -----------------------------------------------------------------------------
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// SwitchToBackgroundL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::SwitchToBackgroundL()
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{
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TRACER("CShwSlideShowPauseHandler::SwitchToBackgroundL");
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GLX_LOG_INFO(
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"CShwSlideShowPauseHandler::SwitchToBackgroundL" );
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// we are now not on foreground
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iOnForeground = EFalse;
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// get the engine state
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CShwSlideshowEngine::TShwState state = iEngine.State();
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// if engine is running
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if ( CShwSlideshowEngine::EShwStateRunning == state )
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{
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// Calling PauseL on the engine results in the view receiving an
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// paused event from engine observer.
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iEngine.PauseL();
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}
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}
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// -----------------------------------------------------------------------------
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// SwitchToForegroundL.
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// -----------------------------------------------------------------------------
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void CShwSlideShowPauseHandler::SwitchToForegroundL()
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{
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TRACER("CShwSlideShowPauseHandler::SwitchToForegroundL");
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GLX_LOG_INFO(
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"CShwSlideShowPauseHandler::SwitchToForegroundL" );
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// we are now on foreground
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iOnForeground = ETrue;
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// get the engine state
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CShwSlideshowEngine::TShwState state = iEngine.State();
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// if we are not paused by user, not in call and engine is paused, resume
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if( ( !iUserPaused )&&
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( !iInCall )&&
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( CShwSlideshowEngine::EShwStatePaused == state ) )
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{
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iEngine.ResumeL();
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}
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}
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// -----------------------------------------------------------------------------
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// IsSlideShowEngineStatePaused
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// -----------------------------------------------------------------------------
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TBool CShwSlideShowPauseHandler::IsSlideShowEngineStatePaused()
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{
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TRACER("CShwSlideShowPauseHandler::IsSlideShowEngineStatePaused()");
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return iUserPaused;
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}
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