author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 09:07:27 +0300 | |
branch | RCL_3 |
changeset 1 | 9d347b658349 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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Copyright (C) 1997 Martin Jones (mjones@kde.org) |
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(C) 1998 Waldo Bastian (bastian@kde.org) |
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(C) 1998, 1999 Torben Weis (weis@kde.org) |
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(C) 1999 Lars Knoll (knoll@kde.org) |
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(C) 1999 Antti Koivisto (koivisto@kde.org) |
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Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to |
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef FrameView_h |
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#define FrameView_h |
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#include "Frame.h" // Only used by FrameView::inspectorTimelineAgent() |
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#include "IntSize.h" |
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#include "Page.h" // Only used by FrameView::inspectorTimelineAgent() |
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#include "RenderObject.h" // For PaintBehavior |
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#include "ScrollView.h" |
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#include <wtf/Forward.h> |
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#include <wtf/OwnPtr.h> |
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namespace WebCore { |
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class Color; |
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class Event; |
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class FrameViewPrivate; |
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class InspectorTimelineAgent; |
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class IntRect; |
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class Node; |
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class PlatformMouseEvent; |
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class RenderLayer; |
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class RenderObject; |
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class RenderEmbeddedObject; |
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class RenderScrollbarPart; |
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struct ScheduledEvent; |
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class String; |
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template <typename T> class Timer; |
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class FrameView : public ScrollView { |
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public: |
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friend class RenderView; |
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static PassRefPtr<FrameView> create(Frame*); |
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static PassRefPtr<FrameView> create(Frame*, const IntSize& initialSize); |
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virtual ~FrameView(); |
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virtual HostWindow* hostWindow() const; |
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virtual void invalidateRect(const IntRect&); |
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Frame* frame() const { return m_frame.get(); } |
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void clearFrame(); |
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int marginWidth() const { return m_margins.width(); } // -1 means default |
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int marginHeight() const { return m_margins.height(); } // -1 means default |
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void setMarginWidth(int); |
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void setMarginHeight(int); |
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virtual void setCanHaveScrollbars(bool); |
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void updateCanHaveScrollbars(); |
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virtual PassRefPtr<Scrollbar> createScrollbar(ScrollbarOrientation); |
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virtual bool avoidScrollbarCreation(); |
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virtual void setContentsSize(const IntSize&); |
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void layout(bool allowSubtree = true); |
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bool didFirstLayout() const; |
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void layoutTimerFired(Timer<FrameView>*); |
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void scheduleRelayout(); |
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void scheduleRelayoutOfSubtree(RenderObject*); |
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void unscheduleRelayout(); |
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bool layoutPending() const; |
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RenderObject* layoutRoot(bool onlyDuringLayout = false) const; |
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int layoutCount() const { return m_layoutCount; } |
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bool needsLayout() const; |
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void setNeedsLayout(); |
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bool needsFullRepaint() const { return m_doFullRepaint; } |
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#if USE(ACCELERATED_COMPOSITING) |
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void updateCompositingLayers(); |
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// Called when changes to the GraphicsLayer hierarchy have to be synchronized with |
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// content rendered via the normal painting path. |
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void setNeedsOneShotDrawingSynchronization(); |
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#endif |
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bool hasCompositedContent() const; |
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void enterCompositingMode(); |
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bool isEnclosedInCompositingLayer() const; |
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// Only used with accelerated compositing, but outside the #ifdef to make linkage easier. |
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// Returns true if the sync was completed. |
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bool syncCompositingStateRecursive(); |
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// Returns true when a paint with the PaintBehaviorFlattenCompositingLayers flag set gives |
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// a faithful representation of the content. |
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bool isSoftwareRenderable() const; |
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void didMoveOnscreen(); |
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void willMoveOffscreen(); |
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void resetScrollbars(); |
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void detachCustomScrollbars(); |
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void clear(); |
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bool isTransparent() const; |
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void setTransparent(bool isTransparent); |
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Color baseBackgroundColor() const; |
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void setBaseBackgroundColor(Color); |
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void updateBackgroundRecursively(const Color&, bool); |
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bool shouldUpdateWhileOffscreen() const; |
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void setShouldUpdateWhileOffscreen(bool); |
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void adjustViewSize(); |
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virtual IntRect windowClipRect(bool clipToContents = true) const; |
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IntRect windowClipRectForLayer(const RenderLayer*, bool clipToLayerContents) const; |
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virtual IntRect windowResizerRect() const; |
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void setScrollPosition(const IntPoint&); |
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void scrollPositionChangedViaPlatformWidget(); |
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virtual void repaintFixedElementsAfterScrolling(); |
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String mediaType() const; |
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void setMediaType(const String&); |
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void adjustMediaTypeForPrinting(bool printing); |
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void setUseSlowRepaints(); |
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void setIsOverlapped(bool); |
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bool isOverlapped() const { return m_isOverlapped; } |
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void setContentIsOpaque(bool); |
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void addSlowRepaintObject(); |
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void removeSlowRepaintObject(); |
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void addFixedObject(); |
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void removeFixedObject(); |
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void beginDeferredRepaints(); |
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void endDeferredRepaints(); |
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void checkStopDelayingDeferredRepaints(); |
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void resetDeferredRepaintDelay(); |
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#if ENABLE(DASHBOARD_SUPPORT) |
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void updateDashboardRegions(); |
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#endif |
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void updateControlTints(); |
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void restoreScrollbar(); |
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void scheduleEvent(PassRefPtr<Event>, PassRefPtr<Node>); |
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void pauseScheduledEvents(); |
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void resumeScheduledEvents(); |
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void postLayoutTimerFired(Timer<FrameView>*); |
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bool wasScrolledByUser() const; |
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void setWasScrolledByUser(bool); |
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void addWidgetToUpdate(RenderEmbeddedObject*); |
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void removeWidgetToUpdate(RenderEmbeddedObject*); |
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virtual void paintContents(GraphicsContext*, const IntRect& damageRect); |
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void setPaintBehavior(PaintBehavior); |
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PaintBehavior paintBehavior() const; |
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bool isPainting() const; |
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void setNodeToDraw(Node*); |
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static double currentPaintTimeStamp() { return sCurrentPaintTimeStamp; } // returns 0 if not painting |
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void layoutIfNeededRecursive(); |
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void flushDeferredRepaints(); |
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void setIsVisuallyNonEmpty() { m_isVisuallyNonEmpty = true; } |
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void forceLayout(bool allowSubtree = false); |
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void forceLayoutWithPageWidthRange(float minPageWidth, float maxPageWidth, bool adjustViewSize); |
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void adjustPageHeight(float* newBottom, float oldTop, float oldBottom, float bottomLimit); |
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bool scrollToFragment(const KURL&); |
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bool scrollToAnchor(const String&); |
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void maintainScrollPositionAtAnchor(Node*); |
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// Methods to convert points and rects between the coordinate space of the renderer, and this view. |
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virtual IntRect convertFromRenderer(const RenderObject*, const IntRect&) const; |
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virtual IntRect convertToRenderer(const RenderObject*, const IntRect&) const; |
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virtual IntPoint convertFromRenderer(const RenderObject*, const IntPoint&) const; |
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virtual IntPoint convertToRenderer(const RenderObject*, const IntPoint&) const; |
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bool isFrameViewScrollCorner(RenderScrollbarPart* scrollCorner) const { return m_scrollCorner == scrollCorner; } |
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void invalidateScrollCorner(); |
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void setZoomFactor(float scale, ZoomMode); |
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float zoomFactor() const { return m_zoomFactor; } |
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bool shouldApplyTextZoom() const; |
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bool shouldApplyPageZoom() const; |
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float pageZoomFactor() const { return shouldApplyPageZoom() ? m_zoomFactor : 1.0f; } |
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float textZoomFactor() const { return shouldApplyTextZoom() ? m_zoomFactor : 1.0f; } |
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// Normal delay |
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static void setRepaintThrottlingDeferredRepaintDelay(double p); |
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// Negative value would mean that first few repaints happen without a delay |
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static void setRepaintThrottlingnInitialDeferredRepaintDelayDuringLoading(double p); |
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// The delay grows on each repaint to this maximum value |
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static void setRepaintThrottlingMaxDeferredRepaintDelayDuringLoading(double p); |
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// On each repaint the delay increses by this amount |
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static void setRepaintThrottlingDeferredRepaintDelayIncrementDuringLoading(double p); |
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protected: |
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virtual bool scrollContentsFastPath(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect); |
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private: |
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FrameView(Frame*); |
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void reset(); |
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void init(); |
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virtual bool isFrameView() const; |
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friend class RenderWidget; |
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bool useSlowRepaints() const; |
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bool useSlowRepaintsIfNotOverlapped() const; |
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bool hasFixedObjects() const { return m_fixedObjectCount > 0; } |
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void applyOverflowToViewport(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode); |
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void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow); |
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void dispatchScheduledEvents(); |
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void performPostLayoutTasks(); |
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virtual void repaintContentRectangle(const IntRect&, bool immediate); |
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virtual void contentsResized() { setNeedsLayout(); } |
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virtual void visibleContentsResized(); |
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// Override ScrollView methods to do point conversion via renderers, in order to |
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// take transforms into account. |
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virtual IntRect convertToContainingView(const IntRect&) const; |
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virtual IntRect convertFromContainingView(const IntRect&) const; |
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virtual IntPoint convertToContainingView(const IntPoint&) const; |
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virtual IntPoint convertFromContainingView(const IntPoint&) const; |
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// ScrollBarClient interface |
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virtual void valueChanged(Scrollbar*); |
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virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); |
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virtual bool isActive() const; |
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virtual void getTickmarks(Vector<IntRect>&) const; |
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void deferredRepaintTimerFired(Timer<FrameView>*); |
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void doDeferredRepaints(); |
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void updateDeferredRepaintDelay(); |
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double adjustedDeferredRepaintDelay() const; |
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bool updateWidgets(); |
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void scrollToAnchor(); |
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#if ENABLE(INSPECTOR) |
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InspectorTimelineAgent* inspectorTimelineAgent() const; |
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#endif |
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bool hasCustomScrollbars() const; |
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virtual void updateScrollCorner(); |
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virtual void paintScrollCorner(GraphicsContext*, const IntRect& cornerRect); |
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static double sCurrentPaintTimeStamp; // used for detecting decoded resource thrash in the cache |
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IntSize m_size; |
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IntSize m_margins; |
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typedef HashSet<RenderEmbeddedObject*> RenderEmbeddedObjectSet; |
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OwnPtr<RenderEmbeddedObjectSet> m_widgetUpdateSet; |
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RefPtr<Frame> m_frame; |
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bool m_doFullRepaint; |
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bool m_canHaveScrollbars; |
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bool m_useSlowRepaints; |
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bool m_isOverlapped; |
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bool m_contentIsOpaque; |
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unsigned m_slowRepaintObjectCount; |
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unsigned m_fixedObjectCount; |
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int m_borderX; |
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int m_borderY; |
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Timer<FrameView> m_layoutTimer; |
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bool m_delayedLayout; |
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RenderObject* m_layoutRoot; |
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bool m_layoutSchedulingEnabled; |
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bool m_midLayout; |
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int m_layoutCount; |
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unsigned m_nestedLayoutCount; |
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Timer<FrameView> m_postLayoutTasksTimer; |
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bool m_firstLayoutCallbackPending; |
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bool m_firstLayout; |
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bool m_isTransparent; |
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Color m_baseBackgroundColor; |
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IntSize m_lastLayoutSize; |
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float m_lastZoomFactor; |
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String m_mediaType; |
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String m_mediaTypeWhenNotPrinting; |
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unsigned m_enqueueEvents; |
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Vector<ScheduledEvent*> m_scheduledEvents; |
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bool m_overflowStatusDirty; |
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bool m_horizontalOverflow; |
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bool m_verticalOverflow; |
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RenderObject* m_viewportRenderer; |
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bool m_wasScrolledByUser; |
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bool m_inProgrammaticScroll; |
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unsigned m_deferringRepaints; |
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unsigned m_repaintCount; |
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Vector<IntRect> m_repaintRects; |
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Timer<FrameView> m_deferredRepaintTimer; |
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double m_deferredRepaintDelay; |
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double m_lastPaintTime; |
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bool m_shouldUpdateWhileOffscreen; |
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unsigned m_deferSetNeedsLayouts; |
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bool m_setNeedsLayoutWasDeferred; |
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RefPtr<Node> m_nodeToDraw; |
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PaintBehavior m_paintBehavior; |
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bool m_isPainting; |
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bool m_isVisuallyNonEmpty; |
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bool m_firstVisuallyNonEmptyLayoutCallbackPending; |
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RefPtr<Node> m_maintainScrollPositionAnchor; |
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// Renderer to hold our custom scroll corner. |
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RenderScrollbarPart* m_scrollCorner; |
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float m_zoomFactor; |
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static double s_deferredRepaintDelay; |
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static double s_initialDeferredRepaintDelayDuringLoading; |
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static double s_maxDeferredRepaintDelayDuringLoading; |
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static double s_deferredRepaintDelayIncrementDuringLoading; |
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}; |
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#if ENABLE(INSPECTOR) |
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inline InspectorTimelineAgent* FrameView::inspectorTimelineAgent() const |
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{ |
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return m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0; |
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} |
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#endif |
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} // namespace WebCore |
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#endif // FrameView_h |