--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluicontroller/inc/contentrenderer.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,297 @@
+/*
+* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  MAiContentObserver implementation for XML UI controller
+*
+*/
+
+
+#ifndef C_CONTENTRENDERER_H
+#define C_CONTENTRENDERER_H
+
+#include <e32base.h>
+#include <e32hashtab.h>
+#include "xnnewsticker.h"
+#include "aicontentobserver.h"
+
+class TXnUiEngineAppIf;
+class CXnNodeAppIf;
+class CGulIcon;
+class MAiFwEventHandler;
+struct TAiPublisherInfo;
+
+namespace AiUtility
+    {
+    class CContentPriorityMap;
+    }
+
+namespace AiXmlUiController
+    {
+    class CActiveTransactionStack;
+    class CTransactionFactoryImpl;
+    class MTransactionElement;
+    class MTransaction;
+    class CAppUi;
+    class CXmlNodeIdGenerator;
+    class CNewstickerCallbackHandler;
+    class CCssPropertyMap;
+    class CPolicyEvaluator;
+    class TAiPolicyElement;
+    }
+
+
+namespace AiXmlUiController
+{
+
+/**
+*  @ingroup group_xmluicontroller
+* 
+*  CContentRenderer renders the content of the content publisher plug-ins
+*
+*  @lib AiXmlUiMain
+*/
+class CContentRenderer : public CBase,
+                         public MAiContentObserver,
+                         public XnNewstickerInterface::MXnNewstickerCallbackInterface
+    {
+public:  // Constructors and destructor
+    
+    static CContentRenderer* NewL( CAppUi& aAppUi );
+    
+    virtual ~CContentRenderer();
+
+    /**
+     * Sets event handler.
+     * 
+     * @param aFwEventHandler the event handler to use.
+     */
+    void SetEventHandler( MAiFwEventHandler& aFwEventHandler );
+
+    /**
+     * Resets content renderer for new theme.
+     */
+    void Reset();
+
+    /**
+     * Cleans all content items published by aPlugin.
+     */
+    void CleanPluginFromUi( MAiPropertyExtension& aPlugin );
+
+// Functions from MAiContentObserver
+
+    TInt StartTransaction( TInt aTxId );
+
+    TInt Commit( TInt aTxId );
+
+    TInt CancelTransaction( TInt aTxId );
+
+    TBool CanPublish( MAiPropertyExtension& aPlugin,
+                      TInt aContent,
+                      TInt aIndex );
+
+    TInt Publish( MAiPropertyExtension& aPlugin,
+                  TInt aContent,
+                  TInt aResource,
+                  TInt aIndex );
+
+    TInt Publish( MAiPropertyExtension& aPlugin,
+                  TInt aContent,
+                  const TDesC16& aText,
+                  TInt aIndex );
+
+    TInt Publish( MAiPropertyExtension& aPlugin,
+                  TInt aContent,
+                  const TDesC8& aBuf,
+                  TInt aIndex );
+
+    TInt Publish( MAiPropertyExtension& aPlugin,
+                  TInt aContent,
+                  RFile& aFile,
+                  TInt aIndex );
+
+    TInt Clean( MAiPropertyExtension& aPlugin, TInt aContent, TInt aIndex );
+
+    TAny* Extension( TUid aUid );
+    
+    TBool RequiresSubscription( const TAiPublisherInfo& aPublisherInfo ) const;
+	        
+private:
+
+    CContentRenderer( CAppUi& aAppUi );
+    
+    void ConstructL();
+    
+    void DoStartTransactionL( TInt aTxId );
+
+    TInt CanPublishL( MAiPropertyExtension& aPlugin,
+                      TInt aContent,
+                      TInt aIndex );
+
+    TInt DoPublishL( MAiPropertyExtension& aPlugin,
+                     TInt aContent,
+                     TInt aResource,
+                     TInt aIndex);
+    
+    TInt DoPublishL( MAiPropertyExtension& aPlugin,
+                     TInt aContent,
+                     const TDesC16& aText,
+                     TInt aIndex );
+    
+    TInt DoPublishL( MAiPropertyExtension& aPlugin,
+                     TInt aContent,
+                     const TDesC8& aBuf,
+                     TInt aIndex );
+    
+    TInt DoPublishL( MAiPropertyExtension& aPlugin,
+                     TInt aContent,
+                     RFile& aFile,
+                     TInt aIndex );
+    
+    TInt DoCleanL( MAiPropertyExtension& aPlugin,
+                   TInt aContent,
+                   TInt aIndex );
+    
+    void SetImmediateMode( TBool aImmediateMode );
+    
+    TBool IsImmediateMode() const;
+    
+    void ProcessTransactionElementL( MTransactionElement* aElement );
+
+    CXnNodeAppIf* FindNodeByClassL( const TDesC& aCid,
+                                    TInt aIndex,
+                                    const TDesC8& aNs );
+
+    CXnNodeAppIf* FindNodeByIdL( const TDesC& aCid, const TDesC& aNs = KNullDesC );
+
+    CXnNodeAppIf* FindNodeByIdL( const TDesC8& aCid, const TDesC8& aNs = KNullDesC8 );
+    
+    TInt PublishIconL( MAiPropertyExtension& aPlugin,
+                       const TDesC& aCid,
+                       CGulIcon* aIcon,
+                       TInt aIndex,
+                       CXnNodeAppIf* aResource = NULL );
+                       
+    TInt PublishDataL( MAiPropertyExtension& aPlugin,
+                       const TDesC& aCid,
+                       const TDesC8& aData,
+                       const TDesC8& aContentType,
+                       TInt aIndex,
+                       CXnNodeAppIf* aResource = NULL );
+    
+    TBool AllowPublishByPriority( CXnNodeAppIf& aUiElement,
+                                  TInt aNewPriority ) const;
+    
+    void StartContentRefresh();
+    
+    TInt RefreshContentL( HBufC* aUiElementId,
+                          TInt aOldPriority );
+    
+    static TInt RefreshContentCallback( TAny* aContentRenderer );
+    
+    void SendRefreshContentEventL();
+    
+    TBool IsParentNewsticker( CXnNodeAppIf& aTarget );
+    
+    void RegisterNewstickerCallbackInterfaceL( CXnNodeAppIf& aTarget );
+    
+// From XnNewstickerInterface::MXnNewstickerCallbackInterface    
+
+    void TitleScrolled(TInt aTitleIndex);
+    
+    void TitleToScroll(TInt aTitleIndex);
+    
+    void CleanPluginFromUiL( MAiPropertyExtension& aPlugin );
+    
+    void ProcessContentChangesL( MTransaction& aTr );
+    void ProcessContentChangeL( TAiPolicyElement& aElement );     
+
+private:    // Data
+    
+    /**
+     * Transaction stack. Own.
+     */
+    CActiveTransactionStack* iStack;
+    
+    /**
+     * Factory for transacations. Own.
+     */
+    CTransactionFactoryImpl* iFactory;
+    
+    /**
+     * Immediate mode flag. Own.
+     */
+    TBool iImmediateMode;
+    
+    /**
+     * App UI
+     */
+    CAppUi& iAppUi;
+    
+    /**
+     * Node lookup id generator. Own.
+     */
+    CXmlNodeIdGenerator* iNodeIdGenerator;
+    
+    /**
+     * Content priority map. Own.
+     */
+    AiUtility::CContentPriorityMap* iContentPriorityMap;
+    
+    /**
+     * Map of refreshable ui elements.
+     */
+    RPtrHashMap< TDesC, TInt > iRefreshableUiElements;
+    
+    /**
+     * Timer for asynchronous content refreshing
+     */
+    CPeriodic* iTimer;
+    
+    /**
+     * Fw event handler needed for content refresh event notifications.
+     * Not own.
+     */
+    MAiFwEventHandler* iFwEventHandler;
+    
+    /**
+     * Newsticker callback handler
+     */
+    CNewstickerCallbackHandler* iCallbackHandler;
+    
+    /**
+     * Pointer descriptor to newsticker plugin name
+     */
+    TPtrC iNTPublisher;
+    
+    /**
+     * Newsticker element property class.
+     */
+    HBufC* iNTClass;
+    
+    /**
+     * CSS property map. Own
+     */
+    CCssPropertyMap* iPropertyMap;
+    
+    /**
+     * Publishing policy evaluator. Own.
+     */
+    CPolicyEvaluator* iPolicyEvaluator;
+    
+    };
+
+} // namespace AiXmlUiController
+
+#endif      // C_CONTENTRENDERER_H  
+           
+//  End of File