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Diffstat (limited to 'src/3rdparty/webkit/WebCore/page/FrameView.h')
| -rw-r--r-- | src/3rdparty/webkit/WebCore/page/FrameView.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/page/FrameView.h b/src/3rdparty/webkit/WebCore/page/FrameView.h new file mode 100644 index 0000000..03de174 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/page/FrameView.h @@ -0,0 +1,200 @@ +/* + 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); + + virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarOrientation); + + virtual void setContentsSize(const IntSize&); + + 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); + void updateBackgroundRecursively(const Color&, bool); + + bool shouldUpdateWhileOffscreen() const; + void setShouldUpdateWhileOffscreen(bool); + + void adjustViewSize(); + void initScrollbars(); + void updateDefaultScrollbarState(); + + 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 void getTickmarks(Vector<IntRect>&) const; + + 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(); + + void setIsVisuallyNonEmpty(); + +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 |