author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:45:44 +0200 | |
changeset 0 | 4e91876724a2 |
child 30 | a60acebbbd9d |
permissions | -rw-r--r-- |
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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 implementation of the engine API |
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* |
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*/ |
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// CLASS HEADER |
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#include "shwslideshowengineimpl.h" |
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// EXTERNAL INCLUDES |
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#include <alf/alfimagevisual.h> |
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#include <glxvisuallistmanager.h> |
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#include <mglxvisuallist.h> |
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#include <glxlog.h> |
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#include <glxtracer.h> |
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|
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// INTERNAL INCLUDES |
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#include "shwengineobserver.h" |
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#include "shwplaybackfactory.h" |
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#include "shweventrouter.h" |
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#include "shwevent.h" |
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#include "shwslideshowenginepanic.h" |
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#include "shwhuiutility.h" |
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|
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// ----------------------------------------------------------------------------- |
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// C++ Constructor. Save a few bits of rom with inlining |
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// ----------------------------------------------------------------------------- |
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inline CShwSlideshowEngineImpl::CShwSlideshowEngineImpl( |
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MShwEngineObserver& aObserver ) |
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: iObserver( aObserver ) |
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{ |
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// No implementation required |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// NewL. Static construction |
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// ----------------------------------------------------------------------------- |
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CShwSlideshowEngineImpl* CShwSlideshowEngineImpl::NewL( |
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MShwEngineObserver& aObserver ) |
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{ |
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TRACER("CShwSlideshowEngineImpl::NewL"); |
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GLX_LOG_INFO("CShwSlideshowEngineImpl::NewL"); |
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CShwSlideshowEngineImpl* self = |
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new( ELeave ) CShwSlideshowEngineImpl( aObserver ); |
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CleanupStack::PushL( self ); |
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// perform 2nd phase |
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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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// ----------------------------------------------------------------------------- |
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// Destructor. |
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// ----------------------------------------------------------------------------- |
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CShwSlideshowEngineImpl::~CShwSlideshowEngineImpl() |
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{ |
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TRACER("CShwSlideshowEngineImpl::~CShwSlideshowEngineImpl"); |
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GLX_LOG_INFO("CShwSlideshowEngineImpl::~CShwSlideshowEngineImpl"); |
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// delete event router, it should not own any external objects |
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delete iEventRouter; |
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// delete the playback factory, it deletes the objects it owns |
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// and they may require media or visual list |
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delete iFactory; |
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// clean the visual list (it has reference to media list) |
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// Check that we got a manager |
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if( iVisualListManager ) |
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{ |
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// Check if we got a list |
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if( iVisualList ) |
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{ |
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// remove the list |
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iVisualListManager->ReleaseList( iVisualList ); |
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} |
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iVisualListManager->Close(); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ConstructL. |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::ConstructL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::ConstructL"); |
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GLX_LOG_INFO("CShwSlideshowEngineImpl::ConstructL"); |
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// get the visual list manager |
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iVisualListManager = CGlxVisualListManager::ManagerL(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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104 |
// StartL. |
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105 |
// ----------------------------------------------------------------------------- |
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106 |
void CShwSlideshowEngineImpl::StartL( |
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107 |
CAlfEnv& aEnv, CAlfDisplay& aDisplay, MGlxMediaList& aItemsToShow, |
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108 |
MShwMusicObserver& aMusicObserver, TSize aScreenSize ) |
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109 |
{ |
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TRACER("CShwSlideshowEngineImpl::StartL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::Start(Init)L" ); |
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112 |
|
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// check that we've not already been started |
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__ASSERT_ALWAYS( !iState, |
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NShwEngine::Panic( NShwEngine::EEngineStartLCalledInWrongState ) ); |
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116 |
|
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// remember the display |
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iDisplay = &aDisplay; |
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119 |
|
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// the media list is already ordered correctly for use |
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iMediaList = &aItemsToShow; |
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122 |
|
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// construct the visual list |
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iVisualList = iVisualListManager->AllocListL( |
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*iMediaList, aEnv, aDisplay, CAlfImageVisual::EScaleFitInside ); |
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126 |
|
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// set the default icons to the list |
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iVisualList->SetDefaultIconBehaviourL( ETrue ); |
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129 |
|
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// construct the factory |
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iFactory = CShwPlaybackFactory::NewL( |
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132 |
&aEnv, |
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133 |
iVisualList, |
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134 |
iMediaList, |
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135 |
aMusicObserver, |
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aScreenSize ); |
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137 |
|
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// construct the event router |
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iEventRouter = CShwEventRouter::NewL(); |
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140 |
// get the observers from factory |
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141 |
// add them to router |
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iEventRouter->AddObserversL( iFactory->EventObservers().Array() ); |
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143 |
// add ourself as observer |
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iEventRouter->AddObserverL( this ); |
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145 |
|
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146 |
// get the producers from factory |
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// set the event producers to the router |
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iEventRouter->AddProducers( iFactory->EventPublishers().Array() ); |
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149 |
// add ourself as publisher |
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iEventRouter->AddProducer( this ); |
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151 |
|
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152 |
// now all producers are there but they may need to do some |
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// initialisation, send initialize event to allow that |
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TShwEventInitialize initEvent; |
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SendEventL( &initEvent ); |
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156 |
|
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// set state now. We will get the event call (Notify) |
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// once the first thumbnail is loaded and then we really start |
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iState = CShwSlideshowEngine::EShwStateInitialized; |
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160 |
|
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::Start(Init)L - End" ); |
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162 |
} |
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163 |
|
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// ----------------------------------------------------------------------------- |
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// NextItemL. |
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166 |
// ----------------------------------------------------------------------------- |
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167 |
void CShwSlideshowEngineImpl::NextItemL() |
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168 |
{ |
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TRACER("CShwSlideshowEngineImpl::NextItemL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::NextItemL" ); |
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171 |
|
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if( CShwSlideshowEngine::EShwStateRunning == iState || |
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CShwSlideshowEngine::EShwStatePaused == iState ) |
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174 |
{ |
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// only change images if paused or playing |
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TShwEventNextImage nextItemEvent; |
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SendEventL( &nextItemEvent ); |
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178 |
} |
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179 |
} |
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180 |
|
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181 |
// ----------------------------------------------------------------------------- |
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// PreviousItemL. |
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183 |
// ----------------------------------------------------------------------------- |
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184 |
void CShwSlideshowEngineImpl::PreviousItemL() |
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185 |
{ |
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TRACER("CShwSlideshowEngineImpl::PreviousItemL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::PreviousItemL" ); |
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188 |
|
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if( CShwSlideshowEngine::EShwStateRunning == iState || |
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CShwSlideshowEngine::EShwStatePaused == iState ) |
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191 |
{ |
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192 |
// only change images if paused or playing |
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TShwEventPreviousImage previousItemEvent; |
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SendEventL( &previousItemEvent ); |
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195 |
} |
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196 |
} |
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197 |
|
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198 |
// ----------------------------------------------------------------------------- |
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199 |
// PauseL. |
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200 |
// ----------------------------------------------------------------------------- |
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201 |
void CShwSlideshowEngineImpl::PauseL() |
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202 |
{ |
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TRACER("CShwSlideshowEngineImpl::PauseL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::PauseL" ); |
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205 |
// check state, if not running, don't bother pausing |
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206 |
if( CShwSlideshowEngine::EShwStateRunning == iState ) |
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{ |
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// send the pause event to the router |
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TShwEventPause pauseEvent; |
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SendEventL( &pauseEvent ); |
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|
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// update the state |
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iState = CShwSlideshowEngine::EShwStatePaused; |
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|
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// tell the observer that we paused the show |
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iObserver.EnginePausedL(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// LSKPressedL |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::LSKPressedL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::LSKPressedL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::LSKPressedL" ); |
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iObserver.EngineLSKPressedL(); |
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227 |
|
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} |
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// ----------------------------------------------------------------------------- |
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// ToggleControlsVisibiltyL., LSKPressedL |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::ToggleUiControlsVisibiltyL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::ToggleUiControlsVisibiltyL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::ToggleUiControlsVisibiltyL" ); |
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236 |
|
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// send the toggleUi event to the router |
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TShwEventToggleControlUi toggleUi; |
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SendEventL( &toggleUi ); |
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// tell the observer that we toggled softkey visibility by |
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// pressing selection key |
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iObserver.EngineToggleUiStateL(); |
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|
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} |
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|
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// ----------------------------------------------------------------------------- |
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// VolumeUpL |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::VolumeUpL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::VolumeUpL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::VolumeUpL" ); |
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253 |
|
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// check state and send the resume event to the router |
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if( CShwSlideshowEngine::EShwStateInitialized != iState ) |
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{ |
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TShwEventVolumeUp volumeUp; |
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SendEventL( &volumeUp ); |
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} |
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} |
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261 |
|
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// ----------------------------------------------------------------------------- |
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// VolumeDownL |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::VolumeDownL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::VolumeDownL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::VolumeDownL" ); |
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269 |
|
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// check state and send the resume event to the router |
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if( CShwSlideshowEngine::EShwStateInitialized != iState ) |
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{ |
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TShwEventVolumeDown volumeDown; |
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SendEventL( &volumeDown ); |
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} |
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} |
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277 |
|
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|
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// ----------------------------------------------------------------------------- |
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// ResumeL. |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::ResumeL() |
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{ |
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TRACER("CShwSlideshowEngineImpl::ResumeL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::ResumeL" ); |
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286 |
|
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// check state and send the resume event to the router |
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if ( iState == CShwSlideshowEngine::EShwStatePaused ) |
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{ |
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// only valid to resume if we're currently paused |
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TShwEventResume resumeEvent; |
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SendEventL( &resumeEvent ); |
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293 |
|
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// update the state |
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iState = CShwSlideshowEngine::EShwStateRunning; |
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|
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// tell the observer that the show restarted |
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iObserver.EngineResumedL(); |
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} |
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} |
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301 |
|
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// ----------------------------------------------------------------------------- |
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// NotifyL. |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::NotifyL( MShwEvent* aEvent ) |
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306 |
{ |
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TRACER("CShwSlideshowEngineImpl::NotifyL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::NotifyL" ); |
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|
309 |
|
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// we got an event, was it ready to view and we are not yet running |
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if( ( CShwSlideshowEngine::EShwStateInitialized == iState ) && |
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( dynamic_cast< TShwEventReadyToView* >( aEvent ) ) ) |
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{ |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::send TShwEventStart" ); |
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// start the playback |
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TShwEventStart start; |
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SendEventL( &start ); |
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|
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// set state |
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iState = CShwSlideshowEngine::EShwStateRunning; |
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|
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// tell the observer that we are running the show |
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iObserver.EngineStartedL(); |
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|
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// show the control group on the display. |
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ShwUiUtility::ShowVisualListL( iDisplay, iVisualList ); |
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} |
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else if( dynamic_cast< TShwEventFatalError* >( aEvent ) ) |
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{ |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl fatal error, exit slideshow" ); |
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// let the observer close down slideshow |
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iObserver.ErrorDuringSlideshowL(); |
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} |
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else if( dynamic_cast< TShwEventToggleControlUi* >( aEvent ) ) |
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{ |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl:NotifyL - TShwEventToggleControlUi" ); |
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// Have to impliment if need comes |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// State. |
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// ----------------------------------------------------------------------------- |
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CShwSlideshowEngine::TShwState CShwSlideshowEngineImpl::State() const |
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{ |
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TRACER("CShwSlideshowEngineImpl::State()"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::State()" ); |
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return iState; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// AvailableEffectsL. |
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// ----------------------------------------------------------------------------- |
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void CShwSlideshowEngineImpl::AvailableEffectsL( |
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RArray<TShwEffectInfo>& aEffects ) |
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{ |
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TRACER("CShwSlideshowEngineImpl::AvailableEffectsL"); |
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GLX_LOG_INFO( "CShwSlideshowEngineImpl::AvailableEffectsL" ); |
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// This should be queried from the playback factory |
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CShwPlaybackFactory::AvailableEffectsL( aEffects ); |
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} |