author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:59:17 +0300 | |
branch | RCL_3 |
changeset 20 | 3b67655da2cc |
parent 14 | 9941bcf99348 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2006 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: |
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* Plugin and view id caching support |
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* |
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*/ |
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|
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|
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// INCLUDE FILES |
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#include "GSPluginAndViewIdCache.h" |
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|
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// System includes |
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#include <bautils.h> |
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#include <s32file.h> |
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#include <eikappui.h> |
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|
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// User includes |
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#include "GSShimmedView.h" |
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#include "GSPlaceholderView.h" |
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// Constants |
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_LIT( KGSCacheFileName, "PluginUidToViewIdCache.dat" ); |
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// ================= MEMBER FUNCTIONS ======================= |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::CGSPluginAndViewIdCache |
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// C++ constructor. |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CGSPluginAndViewIdCache::CGSPluginAndViewIdCache( CEikAppUi& aAppUi ) |
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: iAppUi( aAppUi ), iFsSession(CCoeEnv::Static()->FsSession()),iLookupTable( &HashFunction, &HashIdentityRelation ) |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::~CGSPluginAndViewIdCache |
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// C++ destructor. |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CGSPluginAndViewIdCache::~CGSPluginAndViewIdCache() |
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{ |
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TRAP_IGNORE( StoreL() ); |
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// |
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delete iPlaceholderView; |
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DestroyShims(); |
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iLookupTable.Close(); |
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// |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::ConstructL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::ConstructL() |
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{ |
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User::LeaveIfError( iFsSession.CreatePrivatePath( EDriveC ) ); |
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// |
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iPlaceholderView = CGSPlaceholderView::NewL( iAppUi ); |
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// |
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TRAP_IGNORE( RestoreL() ); |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::NewL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CGSPluginAndViewIdCache* CGSPluginAndViewIdCache::NewL( CEikAppUi& aAppUi ) |
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{ |
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CGSPluginAndViewIdCache* self = new(ELeave) CGSPluginAndViewIdCache( aAppUi ); |
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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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// CGSPluginAndViewIdCache::ActivatePlaceholderViewL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::ActivatePlaceholderViewL() |
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{ |
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iPlaceholderView->ActivateL(); |
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} |
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// ---------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::PriorToPlaceholderActiveViewId |
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// |
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// |
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// ---------------------------------------------------------------------------- |
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// |
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const TVwsViewId& CGSPluginAndViewIdCache::PriorToPlaceholderActiveViewId() const |
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{ |
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return iPlaceholderView->PreviouslyActiveViewId(); |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::SetPriorToPlaceholderActiveViewId |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::SetPriorToPlaceholderActiveViewId( const TVwsViewId& aViewId ) |
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{ |
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iPlaceholderView->SetPreviouslyActiveViewId( aViewId ); |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::RegisterViewAndImplementationAssociationL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::RegisterViewAndImplementationAssociationL( TUid aViewId, TUid aImplementationUid ) |
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{ |
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RegisterViewAndImplementationAssociationL( aViewId, aImplementationUid, EFalse ); |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::PrepareToRegisterPluginInstanceLC |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::PrepareToRegisterPluginInstanceLC( TUid aViewId ) |
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{ |
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TCacheEntry* value = iLookupTable.Find( aViewId ); |
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if ( value && value->iShim ) |
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{ |
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// Store cleanup view uid so that we know which shim to re-register |
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// if the cleanup item is invoked. |
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iTransientCleanupViewUid = aViewId; |
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|
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// Prepare item |
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TCleanupItem item( ReRegisterShimWithUi, this ); |
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CleanupStack::PushL( item ); |
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|
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// Unregister shim view |
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value->iShim->DeregisterView(); |
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|
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// If a leave now occurs, the cleanup stack will unwind and will |
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// invoke our cleanup item. This item will then re-add |
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// the specified shim to the view framework. See ReRegisterShimWithUiL |
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// for further details. |
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} |
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else |
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{ |
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// Record not found - just push NULL to ensure cleanup stack |
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// remains balanced. |
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CleanupStack::PushL( (CBase*) NULL ); |
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} |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::RegisterPluginInstanceL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::RegisterPluginInstanceL( TUid aViewId, CGSPluginInterface& aPluginInstance ) |
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{ |
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TCacheEntry* value = iLookupTable.Find( aViewId ); |
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ASSERT( value != NULL ); |
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|
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// Can now associate the plugin instance with the cache entry. |
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value->iLoadedPluginImplementation = &aPluginInstance; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::PluginImplementationUidForView |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool CGSPluginAndViewIdCache::IsPluginLoaded( TUid aViewId ) const |
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{ |
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CGSPluginInterface* instance = PluginInstance( aViewId ); |
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|
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TBool loaded = EFalse; |
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if ( instance ) |
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{ |
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loaded = ETrue; |
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} |
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return loaded; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::PluginInstance |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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CGSPluginInterface* CGSPluginAndViewIdCache::PluginInstance( TUid aViewId ) const |
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{ |
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CGSPluginInterface* ret = NULL; |
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// |
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const TCacheEntry* value = iLookupTable.Find( aViewId ); |
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if ( value ) |
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{ |
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ret = value->iLoadedPluginImplementation; |
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} |
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// |
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return ret; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::PluginImplementationUidForView |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TUid CGSPluginAndViewIdCache::PluginImplementationUidForView( TUid aViewId ) const |
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{ |
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TUid pluginUid = KNullUid; |
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// |
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const TCacheEntry* value = iLookupTable.Find( aViewId ); |
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if ( value ) |
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{ |
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pluginUid = value->iImplementationUid; |
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} |
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// |
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return pluginUid; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::DestroyShims |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::DestroyShims() |
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{ |
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RHashMap< TUid, TCacheEntry >::TIter iterator( iLookupTable ); |
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FOREVER |
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{ |
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const TUid* key = iterator.NextKey(); |
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if ( key ) |
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{ |
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TCacheEntry* value = iterator.CurrentValue(); |
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|
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// Destroy shim instance |
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delete value->iShim; |
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value->iShim = NULL; |
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} |
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else |
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{ |
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break; |
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} |
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} |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::RestoreL |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void CGSPluginAndViewIdCache::RestoreL() |
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{ |
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TFileName* cacheFile = new(ELeave) TFileName(); |
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CleanupStack::PushL( cacheFile ); |
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GetCacheFileNameL( *cacheFile ); |
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// |
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if ( BaflUtils::FileExists( iFsSession, *cacheFile ) ) |
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{ |
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RFileReadStream cacheStream; |
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TInt error = cacheStream.Open( iFsSession, *cacheFile, EFileRead ); |
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User::LeaveIfError( error ); |
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CleanupClosePushL( cacheStream ); |
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|
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// Now read in cache hash table |
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TUid key = KNullUid; |
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TUid value = KNullUid; |
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|
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const TInt entryCount = cacheStream.ReadInt32L(); |
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for( TInt i=0; i<entryCount; i++ ) |
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{ |
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key.iUid = cacheStream.ReadUint32L(); |
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value.iUid = cacheStream.ReadUint32L(); |
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// |
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RegisterViewAndImplementationAssociationL( key, value, ETrue ); |
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316 |
} |
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317 |
|
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CleanupStack::PopAndDestroy( &cacheStream ); |
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319 |
} |
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320 |
// |
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CleanupStack::PopAndDestroy( cacheFile ); |
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322 |
} |
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323 |
|
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324 |
|
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325 |
// --------------------------------------------------------------------------- |
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326 |
// CGSPluginAndViewIdCache::StoreL |
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327 |
// |
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// |
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329 |
// --------------------------------------------------------------------------- |
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330 |
// |
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void CGSPluginAndViewIdCache::StoreL() |
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332 |
{ |
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TFileName* intermediateFileName = new(ELeave) TFileName(); |
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334 |
CleanupStack::PushL( intermediateFileName ); |
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335 |
|
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TFileName* cachePath = new(ELeave) TFileName(); |
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CleanupStack::PushL( cachePath ); |
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GetCachePathL( *cachePath ); |
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339 |
|
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// Create a temporary file in the GS private data cage to contain |
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// the cache data. We'll rename this to the real cache file name |
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// once the operation has been completed successfully. |
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RFile intermediateCacheFile; |
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TInt error = intermediateCacheFile.Temp( iFsSession, *cachePath, *intermediateFileName, EFileWrite ); |
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User::LeaveIfError( error ); |
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346 |
|
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// Create a stream from the file. Stream takes ownership of file |
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RFileWriteStream stream( intermediateCacheFile ); |
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349 |
CleanupClosePushL( stream ); |
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350 |
|
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351 |
// Write each entry to the stream |
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352 |
stream.WriteUint32L( iLookupTable.Count() ); |
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353 |
|
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RHashMap< TUid, TCacheEntry >::TIter iterator( iLookupTable ); |
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355 |
FOREVER |
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356 |
{ |
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const TUid* key = iterator.NextKey(); |
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358 |
if ( key ) |
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359 |
{ |
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const TCacheEntry* value = iterator.CurrentValue(); |
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361 |
stream.WriteUint32L( key->iUid ); |
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stream.WriteUint32L( value->iImplementationUid.iUid ); |
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363 |
} |
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364 |
else |
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365 |
{ |
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366 |
break; |
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367 |
} |
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368 |
} |
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369 |
|
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// Finalise the stream |
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371 |
stream.CommitL(); |
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stream.Close(); // Also closes the file |
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CleanupStack::PopAndDestroy( &stream ); |
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374 |
|
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375 |
// If we got this far it means we created the cache file successfully. |
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|
376 |
// Now its okay to replace any pre-existing cache file with the |
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|
377 |
// file we just created. We're re-use the cachePath variable for the |
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378 |
// ultimate filename since it saves allocating another 1/2kb on the heap. |
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379 |
GetCacheFileNameL( *cachePath ); |
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|
380 |
if ( BaflUtils::FileExists( iFsSession, *cachePath ) ) |
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381 |
{ |
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382 |
error = iFsSession.Delete( *cachePath ); |
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383 |
User::LeaveIfError( error ); |
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384 |
} |
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|
385 |
|
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|
386 |
// Now rename intermediate file name to ultimate cache file name. |
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|
387 |
error = iFsSession.Rename( *intermediateFileName, *cachePath ); |
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388 |
User::LeaveIfError( error ); |
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|
389 |
|
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|
390 |
CleanupStack::PopAndDestroy( 2, intermediateFileName ); |
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|
391 |
} |
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|
392 |
|
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|
393 |
|
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394 |
// --------------------------------------------------------------------------- |
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|
395 |
// CGSPluginAndViewIdCache::GetCacheFileNameL |
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|
396 |
// |
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|
397 |
// |
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|
398 |
// --------------------------------------------------------------------------- |
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|
399 |
// |
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400 |
void CGSPluginAndViewIdCache::GetCacheFileNameL( TDes& aFileName ) |
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|
401 |
{ |
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|
402 |
GetCachePathL( aFileName ); |
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|
403 |
aFileName.Append( KGSCacheFileName ); |
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|
404 |
} |
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|
405 |
|
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|
406 |
|
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|
407 |
// --------------------------------------------------------------------------- |
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|
408 |
// CGSPluginAndViewIdCache::GetCachePathL |
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|
409 |
// |
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|
410 |
// |
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|
411 |
// --------------------------------------------------------------------------- |
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|
412 |
// |
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|
413 |
void CGSPluginAndViewIdCache::GetCachePathL( TDes& aPath ) |
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|
414 |
{ |
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|
415 |
aPath.Zero(); |
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|
416 |
|
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|
417 |
// Get private data cage path |
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|
418 |
TInt err = iFsSession.PrivatePath( aPath ); |
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Revision: 200949
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|
419 |
User::LeaveIfError( err ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
// Combine with C: drive |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
const TDriveUnit cDrive( EDriveC ); |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
423 |
const TDriveName cDriveName( cDrive.Name() ); |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
aPath.Insert( 0, cDriveName ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
|
8c5d936e5675
Revision: 200949
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parents:
diff
changeset
|
427 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
// --------------------------------------------------------------------------- |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
// CGSPluginAndViewIdCache::RegisterViewAndImplementationAssociationL |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
// |
8c5d936e5675
Revision: 200949
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parents:
diff
changeset
|
431 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
// --------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
changeset
|
433 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
void CGSPluginAndViewIdCache::RegisterViewAndImplementationAssociationL( TUid aViewId, TUid aImplementationUid, TBool aCreateShim ) |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
// Check if aViewId is a key within the look up table, so as to avoid |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
// adding duplicate entries... |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
const TCacheEntry* value = iLookupTable.Find( aViewId ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
if ( !value ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
// No registration for this view yet, so create a new entry |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
TCacheEntry cacheEntry; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
cacheEntry.iImplementationUid = aImplementationUid; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
cacheEntry.iLoadedPluginImplementation = NULL; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
if ( aCreateShim ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
// Create a new shim |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
cacheEntry.iShim = CGSShimmedView::NewLC( aViewId, *this, iAppUi ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
else |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
cacheEntry.iShim = NULL; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
// Add entry to table - the shim ownership is also transferred |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
// at this point, since the destructor of this class will |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
// destroy all shims. |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
iLookupTable.InsertL( aViewId, cacheEntry ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
if ( aCreateShim ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
CleanupStack::Pop( cacheEntry.iShim ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
// CGSPluginAndViewIdCache::PrepareForUIDestruction |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
void CGSPluginAndViewIdCache::PrepareForUIDestruction() |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
// Have to remove all UI furniture before the AppUi rug is pulled out |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
// from underneath us... |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
DestroyShims(); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
delete iPlaceholderView; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
iPlaceholderView = NULL; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
// CGSPluginAndViewIdCache::HandleShimDestruction |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
void CGSPluginAndViewIdCache::HandleShimDestruction( TUid aViewId ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
TCacheEntry* value = iLookupTable.Find( aViewId ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
if ( value && value->iShim ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
// The shim has been destroyed. |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
value->iShim = NULL; |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
|
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
// CGSPluginAndViewIdCache::ReRegisterShimWithUi |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
// --------------------------------------------------------------------------- |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
void CGSPluginAndViewIdCache::ReRegisterShimWithUi( TAny* aSelf ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
CGSPluginAndViewIdCache* self = reinterpret_cast< CGSPluginAndViewIdCache* >( aSelf ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
if ( self->iTransientCleanupViewUid != KNullUid ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
TCacheEntry* value = self->iLookupTable.Find( self->iTransientCleanupViewUid ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
if ( value && value->iShim ) |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
{ |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
TRAP_IGNORE( value->iShim->RegisterViewL() ); |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
} |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
// |
8c5d936e5675
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
self->iTransientCleanupViewUid = KNullUid; |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::HashFunction |
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// |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TUint32 CGSPluginAndViewIdCache::HashFunction( const TUid& aViewId ) |
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{ |
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const TUint32 hash = DefaultHash::Integer( aViewId.iUid ); |
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return hash; |
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} |
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// --------------------------------------------------------------------------- |
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// CGSPluginAndViewIdCache::HashIdentityRelation |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool CGSPluginAndViewIdCache::HashIdentityRelation( const TUid& aLeft, const TUid& aRight ) |
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{ |
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const TBool equal = ( aLeft.iUid == aRight.iUid ); |
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return equal; |
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} |
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