webengine/osswebengine/WebKit/s60/webview/WebPointerEventHandler.h
changeset 0 dd21522fd290
child 1 7c90e6132015
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKit/s60/webview/WebPointerEventHandler.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2008 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:   Implemetation of WebPointerEventHandler
+*
+*/
+
+#ifndef __WEBPOINTEREVENTHANDLER_H__
+#define __WEBPOINTEREVENTHANDLER_H__
+
+#include <e32base.h>
+#include <w32std.h>
+#include "Timer.h"
+#include <rt_gesturehelper.h>
+
+namespace WebCore
+{
+    class Node;
+    class Element;
+};
+
+class WebView;
+class CActiveSchedulerWait;
+
+class WebPointerEventHandler : public CBase, public RT_GestureHelper::MGestureObserver
+{
+public:
+    static WebPointerEventHandler* NewL(WebView* view);     
+    void ConstructL();
+    virtual ~WebPointerEventHandler();
+
+public:
+    void HandlePointerEventL(const TPointerEvent& aPointerEvent);
+    void HandleHighlightChange(const TPoint &aPoint);
+
+    virtual void HandleGestureL( const RT_GestureHelper::MGestureEvent& aEvent );
+    
+    
+private:    
+    bool checkForEventListener(WebCore::Node* node);
+    bool canDehighlight(const TPoint &aPoint);
+    void dehighlight();
+
+    bool isHighlitableElement(TBrCtlDefs::TBrCtlElementType& elType);
+    TBrCtlDefs::TBrCtlElementType highlitableElement();
+    void buttonDownTimerCB(WebCore::Timer<WebPointerEventHandler>* t);
+    void handleTouchDownL(const RT_GestureHelper::MGestureEvent& aEvent);
+    void handleTouchUp(const RT_GestureHelper::MGestureEvent& aEvent);
+    void handleTapL(const RT_GestureHelper::MGestureEvent& aEvent);
+    void handleDoubleTap(const RT_GestureHelper::MGestureEvent& aEvent);
+    void handleMove(const RT_GestureHelper::MGestureEvent& aEvent);
+    void doTapL();
+    void updateCursor(const TPoint& pos);
+private:
+    WebPointerEventHandler(WebView* view);            
+    WebView* m_webview;
+
+               
+    TPointerEvent m_buttonDownEvent;
+    TPointerEvent m_lastTapEvent;
+    
+    // Support for link highlight/dehighlight
+    TBool m_isHighlighted;
+    TInt m_offset;
+    TPoint m_highlightPos;
+    WebCore::Node* m_highlightedNode;
+    TPointerEvent m_currentEvent;
+    WebCore::Timer<WebPointerEventHandler> m_buttonDownTimer; 
+    
+    RT_GestureHelper::CGestureHelper* m_gestureHelper;
+    TPointerEvent m_lastPointerEvent;
+    bool   m_ignoreTap; 
+    CActiveSchedulerWait*    m_waiter; 
+    
+};
+
+
+
+#endif