webengine/widgetengine/inc/MenuClient.h
changeset 0 dd21522fd290
child 13 10e98eab6f85
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetengine/inc/MenuClient.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,141 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  This class represents the Widget Extension object
+*
+*/
+
+#ifndef __MENUCLIENT
+#define __MENUCLIENT
+
+//  INCLUDES
+#include <eikenv.h>
+#include <avkon.hrh>
+#include <widgetmenu.rsg>
+
+#include "BrCtlInterface.h"
+#include "MenuCallbacks.h"
+#include "MenuItemCallbacks.h"
+#include "WidgetEngineCallbacks.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+enum TMenuItemState
+{
+    EReal=0,                        //in real tree
+    EVirtual,                       //in virtual tree
+    ERealOrVirtual                  //either real or virtual
+};
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATION
+
+// CLASS DECLARATION
+class CMenuItem;
+
+namespace KJS {
+    class JSMenu;
+    class JSMenuItemConstructor;
+}
+
+
+/**
+*  CWidgetExtension
+*
+*  @lib browserengine.dll
+*  @since 3.2
+*/
+class CMenuClient : public CBase, public MJSMenuCallbacks, public MJSMenuItemCallbacks
+{
+
+public:
+    static CMenuClient* NewL(MWidgetCallback& aWidgetCallback, MWidgetEngineCallbacks& aWidgetEngineCallback);
+    virtual ~CMenuClient();
+    
+public:
+    KJS::JSMenu* jsmenu();
+    KJS::JSMenuItemConstructor* jsmenuitem();
+    
+    void addOptionMenuItemsL( CEikMenuPane& aMenuPane,TInt aResourceId );     
+    void menuShowed();
+    void menuItemSelected( TInt aInternalId );
+
+
+public: // From MWidgetExtension
+    TBool HandleCommandL( TInt aCommandId );        
+
+public: //From MJSMenuCallbacks
+    void* getFromMenuItemCollection( TInt aCmdId );            
+    void* getFromMenuItemCollection( const TDesC& aTextVal );              
+    void hideSoftkeys();
+    void showSoftkeys();          
+    void setRightSoftKeyLabel( const TDesC& aText );
+    void setLeftSoftKeyLabel( const TDesC& aText );
+    void clearMenuItems();    
+
+public://From MJSMenuItemCallbacks
+    TInt createOptionsMenuItem( const TDesC& aText,  TInt aCmdId, TInt aInternalId, void* aObj );                
+    TInt addOptionsMenuItem( TInt aInternalId, TInt aParentInternalId, TBool aShow=ETrue );
+    void deleteMenuItem( TInt aInternalId );       
+    void setDimmed( TInt aInternalId, TBool aValue );        
+    KJS::WidgetEventHandler* menuItemObserver( TInt aInternalId, TInt& aCmdId );            
+    void setMenuItemObserver( TInt aInternalId, KJS::WidgetEventHandler* aOnSelectCallback );                
+  
+private:
+    void deleteTree( CMenuItem* aNode );
+    void insertTree( CMenuItem* aParent, CMenuItem* aItem );
+    void rearrangeTree( CMenuItem* aParent, CMenuItem* aItem, TBool aShow );
+    void showTree( CMenuItem* aNode, TBool aShow );
+    void deleteItem( CMenuItem* aItem );
+    void deleteSibling( CMenuItem* aRoot, CMenuItem* aItem );
+   
+private:
+    void addMenuItem( CEikMenuPane& aMenuPane, CMenuItem* aNode , TInt aIsRootMenuPane = EFalse);
+    TInt append( CMenuItem* root, CMenuItem* item );
+    void appendSibling( CMenuItem* root, CMenuItem* item );
+    CMenuItem* findNodeById( CMenuItem* node, TInt aInternalId, TMenuItemState aState );
+    TBool isDuplicate( CMenuItem* node );
+    CMenuItem* findNodeByCmdId( CMenuItem* node, TInt aCmdId );
+    CMenuItem* findNodeByText( CMenuItem* node, const TDesC& aText );
+  
+private:        
+    CMenuClient(MWidgetCallback& aWidgetCallback, MWidgetEngineCallbacks& aWidgetEngineCallback);
+    void ConstructL();
+  
+private:
+
+        struct TCascadeIDMap
+            {
+            TInt iResourceId;
+            TInt parentInternalId;
+            };
+
+        RArray<TCascadeIDMap>   iCascadeArr;
+        TInt                    iResourceId;
+        CMenuItem*              iMenuRoot;
+        
+private:
+        MWidgetCallback*       iWidgetCallback;
+        MWidgetEngineCallbacks* m_widgetenginecallback;
+        
+        KJS::JSMenu*                m_jsmenu;            
+        KJS::JSMenuItemConstructor* m_jsmenuitemctr;
+        
+};
+
+
+#endif