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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
commit648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/page/FrameView.h
parenta65af38181ac7d34544586bdb5cd004de93897ad (diff)
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diff --git a/WebCore/page/FrameView.h b/WebCore/page/FrameView.h
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-/*
- Copyright (C) 1997 Martin Jones (mjones@kde.org)
- (C) 1998 Waldo Bastian (bastian@kde.org)
- (C) 1998, 1999 Torben Weis (weis@kde.org)
- (C) 1999 Lars Knoll (knoll@kde.org)
- (C) 1999 Antti Koivisto (koivisto@kde.org)
- Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public License
- along with this library; see the file COPYING.LIB. If not, write to
- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
-
-#ifndef FrameView_h
-#define FrameView_h
-
-#include "IntSize.h"
-#include "RenderLayer.h"
-#include "ScrollView.h"
-#include <wtf/Forward.h>
-#include <wtf/OwnPtr.h>
-
-namespace WebCore {
-
-class Color;
-class Event;
-class EventTargetNode;
-class Frame;
-class FrameViewPrivate;
-class IntRect;
-class PlatformMouseEvent;
-class Node;
-class RenderLayer;
-class RenderObject;
-class RenderPartObject;
-class String;
-
-template <typename T> class Timer;
-
-class FrameView : public ScrollView {
-public:
- friend class RenderView;
-
- FrameView(Frame*);
- FrameView(Frame*, const IntSize& initialSize);
-
- virtual ~FrameView();
-
- virtual HostWindow* hostWindow() const;
-
- virtual void invalidateRect(const IntRect&);
-
- Frame* frame() const { return m_frame.get(); }
- void clearFrame();
-
- void ref() { ++m_refCount; }
- void deref() { if (!--m_refCount) delete this; }
- bool hasOneRef() { return m_refCount == 1; }
-
- int marginWidth() const { return m_margins.width(); } // -1 means default
- int marginHeight() const { return m_margins.height(); } // -1 means default
- void setMarginWidth(int);
- void setMarginHeight(int);
-
- virtual void setCanHaveScrollbars(bool);
-
- void layout(bool allowSubtree = true);
- bool didFirstLayout() const;
- void layoutTimerFired(Timer<FrameView>*);
- void scheduleRelayout();
- void scheduleRelayoutOfSubtree(RenderObject*);
- void unscheduleRelayout();
- bool layoutPending() const;
-
- RenderObject* layoutRoot(bool onlyDuringLayout = false) const;
- int layoutCount() const;
-
- // These two helper functions just pass through to the RenderView.
- bool needsLayout() const;
- void setNeedsLayout();
-
- bool needsFullRepaint() const;
-
- void resetScrollbars();
-
- void clear();
-
- bool isTransparent() const;
- void setTransparent(bool isTransparent);
-
- Color baseBackgroundColor() const;
- void setBaseBackgroundColor(Color);
-
- bool shouldUpdateWhileOffscreen() const;
- void setShouldUpdateWhileOffscreen(bool);
-
- void adjustViewSize();
- void initScrollbars();
-
- virtual IntRect windowClipRect(bool clipToContents = true) const;
- IntRect windowClipRectForLayer(const RenderLayer*, bool clipToLayerContents) const;
-
- virtual bool isActive() const;
- virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&);
- virtual void valueChanged(Scrollbar*);
-
- virtual IntRect windowResizerRect() const;
-
- virtual void scrollRectIntoViewRecursively(const IntRect&);
- virtual void setScrollPosition(const IntPoint&);
-
- String mediaType() const;
- void setMediaType(const String&);
-
- void setUseSlowRepaints();
-
- void addSlowRepaintObject();
- void removeSlowRepaintObject();
-
- void beginDeferredRepaints();
- void endDeferredRepaints();
-
-#if ENABLE(DASHBOARD_SUPPORT)
- void updateDashboardRegions();
-#endif
- void updateControlTints();
-
- void restoreScrollbar();
-
- void scheduleEvent(PassRefPtr<Event>, PassRefPtr<EventTargetNode>);
- void pauseScheduledEvents();
- void resumeScheduledEvents();
- void postLayoutTimerFired(Timer<FrameView>*);
-
- bool wasScrolledByUser() const;
- void setWasScrolledByUser(bool);
-
- void addWidgetToUpdate(RenderPartObject*);
- void removeWidgetToUpdate(RenderPartObject*);
-
- virtual void paintContents(GraphicsContext*, const IntRect& damageRect);
- void setPaintRestriction(PaintRestriction);
- bool isPainting() const;
- void setNodeToDraw(Node*);
-
- static double currentPaintTimeStamp() { return sCurrentPaintTimeStamp; } // returns 0 if not painting
-
- void layoutIfNeededRecursive();
-
-private:
- void init();
-
- virtual bool isFrameView() const;
-
- bool useSlowRepaints() const;
-
- void applyOverflowToViewport(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);
-
- void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow);
-
- void dispatchScheduledEvents();
- void performPostLayoutTasks();
-
- virtual void repaintContentRectangle(const IntRect&, bool immediate);
- virtual void contentsResized() { setNeedsLayout(); }
- virtual void visibleContentsResized() { layout(); }
-
- static double sCurrentPaintTimeStamp; // used for detecting decoded resource thrash in the cache
-
- unsigned m_refCount;
- IntSize m_size;
- IntSize m_margins;
- OwnPtr<HashSet<RenderPartObject*> > m_widgetUpdateSet;
- RefPtr<Frame> m_frame;
- FrameViewPrivate* d;
-};
-
-}
-
-#endif