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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: Data class to hold application root configuration info
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*
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*/
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// System includes
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// User includes
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#include "xnviewmanager.h"
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#include "xnviewdata.h"
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#include "xnappuiadapter.h"
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#include "xncontroladapter.h"
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#include "xnuiengine.h"
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#include "xnecomhandler.h"
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#include "xncomposer.h"
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#include "xnodtparser.h"
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#include "xndomdocument.h"
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#include "xndomnode.h"
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#include "xnodt.h"
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#include "xnnode.h"
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#include "xntype.h"
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#include "xnpanic.h"
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#include "xnplugindata.h"
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#include "xnrootdata.h"
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#include "debug.h"
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// Constants
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const TInt KScheduleInterval( 2000000 );
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// ============================ LOCAL FUNCTIONS ================================
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CXnRootData::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CXnRootData* CXnRootData::NewL( CXnViewManager& aManager,
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TUid aApplicationUid )
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{
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CXnRootData* self = CXnRootData::NewLC( aManager, aApplicationUid );
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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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// CXnRootData::NewLC()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CXnRootData* CXnRootData::NewLC( CXnViewManager& aManager,
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TUid aApplicationUid )
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{
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CXnRootData* self = new ( ELeave ) CXnRootData( aManager, aApplicationUid );
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CleanupStack::PushL( self );
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self->ConstructL();
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return self;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::CXnRootData()
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// C++ default constructor
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// -----------------------------------------------------------------------------
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//
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CXnRootData::CXnRootData( CXnViewManager& aManager, TUid aApplicationUid )
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: CXnPluginData( aManager ), iApplicationUid( aApplicationUid )
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{
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iFlags.Clear( EIsRemovable );
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::~CXnRootData()
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// C++ default destructor.
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// -----------------------------------------------------------------------------
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//
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CXnRootData::~CXnRootData()
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{
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if ( iLoadTimer )
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{
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iLoadTimer->Cancel();
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}
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delete iLoadTimer;
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if ( iDestroyTimer )
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{
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iDestroyTimer->Cancel();
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}
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delete iDestroyTimer;
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iViewsToDestroy.ResetAndDestroy();
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iPluginsData.ResetAndDestroy();
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delete iODT->DomDocument().RootNode()->LayoutNode();
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delete iODT;
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delete iParser;
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delete iEcomHandler;
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User::Heap().Compress();
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::ConstructL()
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// 2nd phase constructor
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// -----------------------------------------------------------------------------
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//
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void CXnRootData::ConstructL()
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{
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CXnPluginData::ConstructL();
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iEcomHandler = CXnEcomHandler::NewL();
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iParser = CXnODTParser::NewL( iManager, *iEcomHandler );
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iLoadTimer = CPeriodic::NewL( CActive::EPriorityLow );
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iDestroyTimer = CPeriodic::NewL( CActive::EPriorityLow );
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::Load()
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//
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// -----------------------------------------------------------------------------
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//
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TInt CXnRootData::Load()
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{
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if ( Occupied() )
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{
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return KErrInUse;
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}
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TInt err( KErrNone );
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// Load application root configuration
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TRAP( err, iODT = iManager.Composer().ComposeRootL( *this ) );
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if ( !iODT )
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{
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// Can't recover
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return EXnInvalidConfiguration;
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}
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if ( !err )
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{
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TRAP( err, iManager.Parser().LoadRootL( *this, iApplicationUid ) );
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}
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if ( !err )
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{
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for ( TInt i = 0; i < iPluginsData.Count(); i++ )
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{
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CXnViewData* plugin(
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static_cast< CXnViewData* >( iPluginsData[ i ] ) );
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if ( plugin->Initial() )
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{
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err = plugin->Load();
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if ( plugin->Occupied() )
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{
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// Initial view is succesfully composed. Some widget plugins
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// may have failed but it doesn't matter as those are removed.
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// Rest of the views will be loaded asynchronously by the RunLoadL()
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return err;
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}
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// Initial view failed
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iManager.RemoveFaultyView( plugin );
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delete plugin;
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plugin = NULL;
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break;
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}
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}
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// Initial view loading failed, fallback to load any of the views
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while( iPluginsData.Count() )
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{
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CXnViewData* plugin(
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static_cast< CXnViewData* >( iPluginsData[ 0 ] ) );
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plugin->SetInitial();
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// Ignore error
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plugin->Load();
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if ( plugin->Occupied() )
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{
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// Return error because of fallback condition
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return KXnErrViewPluginFailure;
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}
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// View failed, remove it
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iManager.RemoveFaultyView( plugin );
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delete plugin;
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plugin = NULL;
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}
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}
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else if ( err == KErrNoMemory )
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{
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return err;
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}
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// Configuration loading failed totally
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return EXnInvalidConfiguration;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::Destroy()
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//
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// -----------------------------------------------------------------------------
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//
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void CXnRootData::Destroy()
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{
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iLoadTimer->Cancel();
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iDestroyTimer->Cancel();
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iFlags.Set( EIsDispose );
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iDestroyTimer->Start( TTimeIntervalMicroSeconds32( 0 ),
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TTimeIntervalMicroSeconds32( 0 ),
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TCallBack( RunDestroyL, this ) );
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::LoadRemainingViews()
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//
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// -----------------------------------------------------------------------------
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//
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void CXnRootData::LoadRemainingViews()
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{
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if ( iFlags.IsClear( EIsDispose ) )
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{
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if ( !AllViewsLoaded() )
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{
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iLoadForward = ETrue;
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iLoadError = KErrNone;
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iLoadTimer->Cancel();
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iLoadTimer->Start( TTimeIntervalMicroSeconds32( KScheduleInterval ),
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TTimeIntervalMicroSeconds32( KScheduleInterval ),
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TCallBack( RunLoadL, this ) );
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}
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else
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{
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iManager.NotifyAllViewsLoadedL();
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}
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}
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::CancelLoadRemainingViews()
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//
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// -----------------------------------------------------------------------------
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//
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void CXnRootData::CancelLoadRemainingViews()
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{
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if ( iFlags.IsClear( EIsDispose ) && !AllViewsLoaded() )
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{
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iLoadTimer->Cancel();
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}
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::ODT()
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//
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// -----------------------------------------------------------------------------
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//
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CXnODT* CXnRootData::ODT() const
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{
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return iODT;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::RootNode()
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//
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// -----------------------------------------------------------------------------
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//
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CXnNode* CXnRootData::RootNode() const
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{
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return iODT->DomDocument().RootNode()->LayoutNode();
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::Parser()
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//
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// -----------------------------------------------------------------------------
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//
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CXnODTParser& CXnRootData::Parser() const
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{
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return *iParser;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::EcomHandler()
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//
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// -----------------------------------------------------------------------------
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//
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CXnEcomHandler& CXnRootData::EcomHandler() const
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{
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return *iEcomHandler;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::ActiveViewData()
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// Finds the active view data
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// -----------------------------------------------------------------------------
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//
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CXnViewData& CXnRootData::ActiveViewData() const
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{
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for ( TInt i = 0; i < iPluginsData.Count(); i++ )
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{
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CXnViewData& plugin( static_cast< CXnViewData& >( *iPluginsData[i] ) );
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if ( plugin.Active() )
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{
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return plugin;
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}
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}
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// If active is not set, then try initial
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for ( TInt i = 0; i < iPluginsData.Count(); i++ )
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{
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CXnViewData& plugin( static_cast< CXnViewData& >( *iPluginsData[i] ) );
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if ( plugin.Initial() )
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{
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return plugin;
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}
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}
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Panic( EXnInvalidConfiguration );
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// Remove compiler warning
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return static_cast< CXnViewData& > ( *iPluginsData[0] );
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::PreviousViewData()
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// Finds the active view data
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// -----------------------------------------------------------------------------
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//
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CXnViewData& CXnRootData::PreviousViewData() const
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{
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CXnViewData& active( ActiveViewData() );
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TInt count( iPluginsData.Count() );
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if ( count == 1 )
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{
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// Only one view available
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return active;
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}
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TInt index( iPluginsData.Find( &active ) );
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if ( index == 0 )
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{
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// Return the last
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return static_cast< CXnViewData& >( *iPluginsData[ count - 1 ] );
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}
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else
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{
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// Return the previous
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return static_cast< CXnViewData& >( *iPluginsData[ index - 1 ] );
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}
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::NextViewData()
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// Finds the active view data
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// -----------------------------------------------------------------------------
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//
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CXnViewData& CXnRootData::NextViewData() const
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{
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CXnViewData& active( ActiveViewData() );
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TInt count( iPluginsData.Count() );
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if ( count == 1 )
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{
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// Only one view available
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return active;
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}
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TInt index( iPluginsData.Find( &active ) );
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if ( index + 1 < count )
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{
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// Return the next
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return static_cast< CXnViewData& >( *iPluginsData[ index + 1 ] );
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}
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else
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{
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// Return the first
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return static_cast< CXnViewData& >( *iPluginsData[ 0 ] );
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}
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::DestroyViewData()
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// Sets view data to be destroyed
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// -----------------------------------------------------------------------------
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//
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void CXnRootData::DestroyViewData( CXnViewData* aViewData )
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{
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TInt index( iPluginsData.Find( aViewData ) );
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if ( index != KErrNotFound )
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{
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iPluginsData.Remove( index );
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if ( iViewsToDestroy.Find( aViewData ) == KErrNotFound )
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{
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iViewsToDestroy.Append( aViewData );
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iDestroyTimer->Cancel();
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iDestroyTimer->Start( TTimeIntervalMicroSeconds32( 0 ),
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TTimeIntervalMicroSeconds32( 0 ),
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TCallBack( RunDestroyL, this ) );
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}
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}
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::AllViewsLoaded()
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//
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// -----------------------------------------------------------------------------
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//
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TBool CXnRootData::AllViewsLoaded() const
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{
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for ( TInt i = 0; i < iPluginsData.Count(); i++ )
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{
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if ( !iPluginsData[i]->Occupied() )
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{
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return EFalse;
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}
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}
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return ETrue;
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::AllViewsDestroyed()
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//
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// -----------------------------------------------------------------------------
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//
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TBool CXnRootData::AllViewsDestroyed() const
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{
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return ( iPluginsData.Count() == 0 ) && iFlags.IsSet( EIsDispose );
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}
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// -----------------------------------------------------------------------------
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// CXnRootData::RunLoadL()
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//
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// -----------------------------------------------------------------------------
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//
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/* static */ TInt CXnRootData::RunLoadL( TAny* aAny )
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484 |
{
|
|
485 |
__PRINTS( "*** CXnRootData::RunLoadL" );
|
|
486 |
|
|
487 |
CXnRootData* self = static_cast< CXnRootData* >( aAny );
|
|
488 |
|
|
489 |
if ( self->iFlags.IsSet( EIsDispose ) )
|
|
490 |
{
|
|
491 |
self->iLoadTimer->Cancel();
|
|
492 |
return KErrNone;
|
|
493 |
}
|
|
494 |
|
|
495 |
CXnPluginData& active( self->ActiveViewData() );
|
|
496 |
|
|
497 |
CXnPluginData* toLoad( NULL );
|
|
498 |
|
|
499 |
TInt index( self->iPluginsData.Find( &active ) );
|
|
500 |
TInt count( self->iPluginsData.Count() );
|
|
501 |
|
|
502 |
if ( self->iLoadForward )
|
|
503 |
{
|
|
504 |
self->iLoadForward = EFalse;
|
|
505 |
|
|
506 |
// Start from the next one
|
|
507 |
index = index + 1;
|
|
508 |
|
|
509 |
if ( index == count )
|
|
510 |
{
|
|
511 |
index = 0;
|
|
512 |
}
|
|
513 |
|
|
514 |
for ( TInt i = index; i < self->iPluginsData.Count(); i++ )
|
|
515 |
{
|
|
516 |
if ( !self->iPluginsData[i]->Occupied() )
|
|
517 |
{
|
|
518 |
toLoad = self->iPluginsData[i];
|
|
519 |
break;
|
|
520 |
}
|
|
521 |
}
|
|
522 |
}
|
|
523 |
else
|
|
524 |
{
|
|
525 |
self->iLoadForward = ETrue;
|
|
526 |
|
|
527 |
if ( index == 0 )
|
|
528 |
{
|
|
529 |
index = count - 1;
|
|
530 |
}
|
|
531 |
else
|
|
532 |
{
|
|
533 |
index = index - 1;
|
|
534 |
}
|
|
535 |
|
|
536 |
for ( TInt i = index; i >= 0; i-- )
|
|
537 |
{
|
|
538 |
if ( !self->iPluginsData[i]->Occupied() )
|
|
539 |
{
|
|
540 |
toLoad = self->iPluginsData[i];
|
|
541 |
break;
|
|
542 |
}
|
|
543 |
}
|
|
544 |
}
|
|
545 |
|
|
546 |
TInt err( KErrNone );
|
|
547 |
|
|
548 |
if ( !self->AllViewsLoaded() && toLoad )
|
|
549 |
{
|
|
550 |
err = toLoad->Load();
|
|
551 |
|
|
552 |
if ( err )
|
|
553 |
{
|
|
554 |
self->iLoadError = err;
|
|
555 |
}
|
|
556 |
}
|
|
557 |
|
|
558 |
if ( err == KXnErrViewPluginFailure )
|
|
559 |
{
|
|
560 |
// Remove the view
|
|
561 |
self->iManager.RemoveFaultyView( static_cast< CXnViewData* >( toLoad ) );
|
|
562 |
|
|
563 |
delete toLoad;
|
|
564 |
toLoad = NULL;
|
|
565 |
}
|
|
566 |
|
|
567 |
if ( self->AllViewsLoaded() || err == KErrNoMemory )
|
|
568 |
{
|
|
569 |
self->iLoadTimer->Cancel();
|
|
570 |
|
|
571 |
// Show the error note only once
|
|
572 |
self->iManager.HandleErrorNotes( self->iLoadError );
|
|
573 |
|
|
574 |
self->iLoadError = KErrNone;
|
|
575 |
self->iManager.NotifyAllViewsLoadedL();
|
|
576 |
}
|
|
577 |
|
|
578 |
__PRINTS( "*** CXnRootData::RunLoadL - done" );
|
|
579 |
|
|
580 |
return KErrNone;
|
|
581 |
}
|
|
582 |
|
|
583 |
// -----------------------------------------------------------------------------
|
|
584 |
// CXnRootData::SetMaxPages( TInt32 aPages )
|
|
585 |
//
|
|
586 |
// -----------------------------------------------------------------------------
|
|
587 |
//
|
|
588 |
void CXnRootData::SetMaxPages( TInt32 aPages )
|
|
589 |
{
|
|
590 |
iMaxPages = aPages;
|
|
591 |
}
|
|
592 |
|
|
593 |
// -----------------------------------------------------------------------------
|
|
594 |
// CXnRootData::MaxPages()
|
|
595 |
//
|
|
596 |
// -----------------------------------------------------------------------------
|
|
597 |
//
|
|
598 |
TInt32 CXnRootData::MaxPages()
|
|
599 |
{
|
|
600 |
return iMaxPages;
|
|
601 |
}
|
|
602 |
|
|
603 |
// -----------------------------------------------------------------------------
|
|
604 |
// CXnRootData::RunDestroyL()
|
|
605 |
//
|
|
606 |
// -----------------------------------------------------------------------------
|
|
607 |
//
|
|
608 |
/* static */ TInt CXnRootData::RunDestroyL( TAny* aAny )
|
|
609 |
{
|
|
610 |
__PRINTS( "*** CXnRootData::RunDestroyL" );
|
|
611 |
|
|
612 |
CXnRootData* self = static_cast< CXnRootData* >( aAny );
|
|
613 |
|
|
614 |
if( self->iFlags.IsSet( EIsDispose ) )
|
|
615 |
{
|
|
616 |
for ( TInt i = 0; i < self->iViewsToDestroy.Count(); i++ )
|
|
617 |
{
|
|
618 |
if ( self->iPluginsData.Find(
|
|
619 |
self->iViewsToDestroy[i] ) == KErrNotFound )
|
|
620 |
{
|
|
621 |
// These must be deleted also
|
|
622 |
self->iPluginsData.AppendL( self->iViewsToDestroy[i] );
|
|
623 |
}
|
|
624 |
}
|
|
625 |
|
|
626 |
self->iViewsToDestroy.Reset();
|
|
627 |
|
|
628 |
if ( self->iPluginsData.Count() > 0 )
|
|
629 |
{
|
|
630 |
CXnPluginData* toDestroy( self->iPluginsData[0] );
|
|
631 |
|
|
632 |
delete toDestroy;
|
|
633 |
toDestroy = NULL;
|
|
634 |
|
|
635 |
self->iPluginsData.Remove( 0 );
|
|
636 |
|
|
637 |
User::Heap().Compress();
|
|
638 |
}
|
|
639 |
|
|
640 |
if ( self->AllViewsDestroyed() )
|
|
641 |
{
|
|
642 |
// All done
|
|
643 |
delete self;
|
|
644 |
}
|
|
645 |
}
|
|
646 |
else
|
|
647 |
{
|
|
648 |
if ( self->iViewsToDestroy.Count() > 0 )
|
|
649 |
{
|
|
650 |
CXnPluginData* toDestroy( self->iViewsToDestroy[0] );
|
|
651 |
|
|
652 |
delete toDestroy;
|
|
653 |
toDestroy = NULL;
|
|
654 |
|
|
655 |
self->iViewsToDestroy.Remove( 0 );
|
|
656 |
|
|
657 |
User::Heap().Compress();
|
|
658 |
}
|
|
659 |
|
|
660 |
if ( self->iViewsToDestroy.Count() == 0 )
|
|
661 |
{
|
|
662 |
if ( self->iFlags.IsClear( EIsDispose ) )
|
|
663 |
{
|
|
664 |
self->iDestroyTimer->Cancel();
|
|
665 |
}
|
|
666 |
}
|
|
667 |
}
|
|
668 |
|
|
669 |
__PRINTS( "*** CXnRootData::RunDestroyL - done" );
|
|
670 |
|
|
671 |
return KErrNone;
|
|
672 |
}
|
|
673 |
|
|
674 |
// End of file
|
|
675 |
|