1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   

    15 *

    16 */

    17 

    18 #ifndef __WEBFRAMEVIEW_H__

    19 #define __WEBFRAMEVIEW_H__

    20 

    21 #include "Shared.h"

    22 #include "WebCoreWidget.h"

    23 #include "ScrollTypes.h"

    24 #include "ScrollBar.h"

    25 #include <wtf/RefPtr.h>

    26 

    27 namespace WebCore {

    28     class String;

    29     class PlatformScrollbar;

    30     class IntRect;

    31 }

    32 

    33 class WebFrame;

    34 class WebView;

    35 class TRect;

    36 

    37 class WebFrameView : public MScrollView, public WebCore::Shared<WebFrameView>, public WebCore::ScrollbarClient

    38 {

    39 public:

    40 

    41     // from MScrollView

    42     void draw(WebCoreGraphicsContext&, const TRect&);

    43     void invalidateRect(const TRect&, TBool);

    44     void scrollTo(const TPoint&);

    45     TRect visibleRect() const;

    46     TSize contentSize() const;

    47     void resizeContent(const TSize& /*aSize*/);

    48     void setMayUseCopyScroll(TBool /*aCopy*/);

    49     TPoint convertContentToView(const TPoint& /*aPoint*/);

    50     TPoint convertViewToContent(const TPoint& /*aPoint*/);

    51     TBool hasHorizontalScrollbar() const;

    52     TBool hasVerticalScrollbar() const;

    53     void setHorizontalScrollingMode(WebCore::ScrollbarMode /*aScrollMode*/);

    54     void setVerticalScrollingMode(WebCore::ScrollbarMode /*aScrollMode*/);

    55     void setScrollingMode(WebCore::ScrollbarMode /*aScrollMode*/);

    56     WebCore::ScrollbarMode horizontalScrollingMode();

    57     WebCore::ScrollbarMode verticalScrollingMode();

    58     WebCore::PlatformScrollbar*  vScrollbar() {return m_vScrollbar;}

    59     WebCore::PlatformScrollbar*  hScrollbar() {return m_hScrollbar;}

    60     void setScrollbarsSuppressed(TBool /*aSuppressed*/, TBool /*aRepaintOnUnsuppress*/);

    61     void addChild(MWebCoreWidget* /*aChild*/ );

    62     TInt scalingFactor() const;

    63     TBool isVisible() const;    

    64     TRect rect() const;

    65     TBool isFocused() const;

    66     void makeVisible(TBool /*aVisible*/);

    67     void setFocus(TBool aFocus);

    68     void activate();

    69     void setParent(MScrollView* aParent);

    70     void setNeedsDisplay(TBool);

    71     void setCursor(CursorTypes);

    72     void setRect(const TRect& aRect);

    73     void ref() { ++m_refCount; }

    74     void deref() { if( --m_refCount == 0 ) delete this; }

    75 

    76     // accessors

    77     WebFrame* frame() const          { return m_frame.get(); }

    78     WebView* topView() const         { return m_topView.get(); }

    79     void setWebFrame(WebFrame*);

    80     void setTopView(WebView*);

    81     TPoint contentPos() { return m_contentPos; }

    82     WebFrameView* initWithFrame(TRect frame);

    83     void setAllowsScrolling(bool allowsScrolling);

    84     void setMarginWidth(int marginWidth);

    85     void setMarginHeight(int marginHeight);

    86     int marginWidth() const;

    87     int marginHeight() const;

    88     void setContentPos(TPoint pt);

    89 

    90     WebFrameView();

    91     virtual ~WebFrameView();

    92     static WebFrameView* viewClassForMIMEType(const WebCore::String& MIMEType);

    93 

    94     void valueChanged(WebCore::Scrollbar*);

    95     WebCore::IntRect windowClipRect() const;

    96 

    97     TPoint nearestPointInFrame(const TPoint &aPoint);

    98     TPoint frameCoordsInViewCoords(const TPoint& aPoint);

    99     TPoint viewCoordsInFrameCoords(const TPoint& aPoint);

   100     TRect rectInGlobalCoords() const;

   101 

   102     void checkScrollbarVisibility();

   103     int getBidiWidth();

   104     bool needScroll(const TPoint& aPoint);

   105 private:

   106     WebFrameView(const WebFrameView&);            // not implemented

   107     WebFrameView& operator=(const WebFrameView&); // not implemented

   108     

   109     RefPtr<WebFrame>        m_frame;            // the frame associated with this view

   110     RefPtr<WebView>         m_topView;          // the top drawable view

   111     WebFrameView*           m_parent;           // the parent view

   112 

   113     TRect   m_frameRect;                        // the location and size of this frame in its parent frame

   114     TPoint  m_contentPos;

   115     TSize   m_contentSize;

   116 

   117     WebCore::PlatformScrollbar*  m_vScrollbar;           // scrollbars

   118     WebCore::PlatformScrollbar*  m_hScrollbar;

   119     WebCore::ScrollbarMode m_verticalScrollBarMode;

   120     WebCore::ScrollbarMode m_horizontalScrollBarMode;

   121 

   122     bool    m_hasBorder;

   123     bool    m_allowsScrolling;

   124     bool    m_mayUseCopyScroll;

   125 

   126     bool    m_resizeByEngine;

   127     int     m_refCount;

   128 };

   129 

   130 #endif // END OF FILE