/*
* 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:
*
*/
#ifndef MWEBCOREWIDGET_H_
#define MWEBCOREWIDGET_H_
// INCLUDES
#include <e32base.h>
#include <bitstd.h>
#include "WebCorePalette.h"
#include "ScrollTypes.h"
// DATA TYPES
typedef enum {
EWebCoreScrollbarAuto,
EWebCoreScrollbarAlwaysOff,
EWebCoreScrollbarAlwaysOn
} TWebCoreScrollbarMode;
typedef enum {
PointerCursor,
CrossCursor,
HandCursor,
MoveCursor,
IBeamCursor,
WaitCursor,
HelpCursor,
SelectMultiCursor
} CursorTypes;
// FORWARD DECLARATIONS
class MScrollView;
class QPainter;
class CCoeControl;
class GraphicsContext;
class WebCoreGraphicsContext;
class MWebCoreWidget
{
public:
virtual void draw(WebCoreGraphicsContext&, const TRect&) = 0;
virtual TBool isVisible() const = 0;
virtual TRect rect() const = 0;
virtual TSize sizeHint() const = 0;
virtual TBool isFocused() const = 0;
virtual void makeVisible(TBool) = 0;
virtual void setFocus(TBool aFocus) = 0;
virtual void setRect(const TRect& aRect) = 0;
virtual void activate() = 0;
virtual void setParent(MScrollView* aParent) = 0;
virtual void ref() = 0;
virtual void deref() = 0;
virtual TBool isScrollView() const { return EFalse; }
virtual TBool isObjectView() const { return EFalse; }
virtual void setPalette(TWebCorePalette) {}
virtual void setOutlineWidth(TUint8 ) {}
virtual void setWritingDirectionRtl(TBool) {}
virtual void setNeedsDisplay(TBool) = 0;
virtual void setCursor(CursorTypes) = 0;
virtual TBool isFocusable() const { return ETrue; }
virtual void* pluginScriptableObject() { return 0; }
virtual TBool hasResized() { return EFalse; }
};
class MScrollView: public MWebCoreWidget
{
public:
TBool isScrollView() const { return ETrue; }
virtual TSize sizeHint() const { return TSize(); }
virtual void draw(WebCoreGraphicsContext&, const TRect&) { }
virtual void invalidateRect(const TRect&, TBool) = 0;
virtual void scrollTo(const TPoint&, TBool aNotifyPlugins=EFalse) = 0;
virtual TRect visibleRect() const = 0;
virtual TSize contentSize() const = 0;
virtual void resizeContent(const TSize&) = 0;
virtual void setMayUseCopyScroll(TBool) = 0;
virtual TPoint convertContentToView(const TPoint&) = 0;
virtual TPoint convertViewToContent(const TPoint&) = 0;
virtual TBool hasHorizontalScrollbar() const = 0;
virtual TBool hasVerticalScrollbar() const = 0;
virtual void setHorizontalScrollingMode(WebCore::ScrollbarMode) = 0;
virtual void setVerticalScrollingMode(WebCore::ScrollbarMode) = 0;
virtual void setScrollingMode(WebCore::ScrollbarMode) = 0;
virtual WebCore::ScrollbarMode horizontalScrollingMode() = 0;
virtual WebCore::ScrollbarMode verticalScrollingMode() = 0;
virtual void setScrollbarsSuppressed(TBool, TBool) = 0;
virtual void addChild(MWebCoreWidget*) = 0;
virtual TInt scalingFactor() const = 0;
// coordinates transforming
TPoint toDocCoords(const TPoint& aFrom) const;
TSize toDocCoords(const TSize& aFrom) const;
TRect toDocCoords(const TRect& aFrom) const;
TPoint toViewCoords(const TPoint& aFrom) const;
TSize toViewCoords(const TSize& aFrom) const;
TRect toViewCoords(const TRect& aFrom) const;
bool isScaled() const;
};
class MWebCoreObjectWidget: public MWebCoreWidget
{
public:
virtual ~MWebCoreObjectWidget() {};
TBool isObjectView() const { return ETrue; }
virtual TBool isActive() const = 0;
virtual void deActivate() = 0;
virtual void setFont(CFont* aFont) = 0;
virtual void playPluginContent(const TDesC8& aRequestUrl) = 0;
virtual void stopPluginContent(const TDesC8& aRequestUrl) = 0;
virtual void positionChanged() {}
virtual TBool isFocusable() const { return ETrue; }
virtual TBool hasResized() { return EFalse; }
};
inline TPoint MScrollView::toDocCoords(const TPoint& aFrom) const
{
TInt z = scalingFactor();
return TPoint(aFrom.iX*100/z,aFrom.iY*100/z);
}
inline TSize MScrollView::toDocCoords(const TSize& aFrom) const
{
TInt z = scalingFactor();
return TSize(aFrom.iWidth*100/z,aFrom.iHeight*100/z);
}
inline TRect MScrollView::toDocCoords(const TRect& aFrom) const
{
return TRect(toDocCoords(aFrom.iTl),toDocCoords(aFrom.iBr));
}
inline TPoint MScrollView::toViewCoords(const TPoint& aFrom) const
{
TInt z = scalingFactor();
return TPoint(aFrom.iX*z/100,aFrom.iY*z/100);
}
inline TSize MScrollView::toViewCoords(const TSize& aFrom) const
{
TInt z = scalingFactor();
return TSize(aFrom.iWidth*z/100,aFrom.iHeight*z/100);
}
inline TRect MScrollView::toViewCoords(const TRect& aFrom) const
{
return TRect(toViewCoords(aFrom.iTl),toViewCoords(aFrom.iBr));
}
inline bool MScrollView::isScaled() const
{
return scalingFactor()!=100;
}
#endif //MWEBCOREWIDGET_H_