author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2003, 2009 Apple Inc. All rights reserved. |
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* |
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* Portions are Copyright (C) 1998 Netscape Communications Corporation. |
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* |
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* Other contributors: |
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* Robert O'Callahan <roc+@cs.cmu.edu> |
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* David Baron <dbaron@fas.harvard.edu> |
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* Christian Biesinger <cbiesinger@web.de> |
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* Randall Jesup <rjesup@wgate.com> |
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* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de> |
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* Josh Soref <timeless@mac.com> |
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* Boris Zbarsky <bzbarsky@mit.edu> |
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* |
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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 Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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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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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* Alternatively, the contents of this file may be used under the terms |
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* of either the Mozilla Public License Version 1.1, found at |
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* http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public |
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* License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html |
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* (the "GPL"), in which case the provisions of the MPL or the GPL are |
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* applicable instead of those above. If you wish to allow use of your |
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* version of this file only under the terms of one of those two |
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* licenses (the MPL or the GPL) and not to allow others to use your |
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* version of this file under the LGPL, indicate your decision by |
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* deletingthe provisions above and replace them with the notice and |
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* other provisions required by the MPL or the GPL, as the case may be. |
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* If you do not delete the provisions above, a recipient may use your |
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* version of this file under any of the LGPL, the MPL or the GPL. |
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*/ |
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|
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#ifndef RenderLayer_h |
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#define RenderLayer_h |
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#include "RenderBox.h" |
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#include "ScrollBehavior.h" |
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#include "ScrollbarClient.h" |
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#include "Timer.h" |
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#include <wtf/OwnPtr.h> |
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namespace WebCore { |
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class CachedResource; |
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class HitTestRequest; |
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class HitTestResult; |
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class HitTestingTransformState; |
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class RenderFrameSet; |
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class RenderMarquee; |
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class RenderReplica; |
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class RenderScrollbarPart; |
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class RenderStyle; |
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class RenderTable; |
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class RenderText; |
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class RenderView; |
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class Scrollbar; |
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class TransformationMatrix; |
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#if USE(ACCELERATED_COMPOSITING) |
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class RenderLayerBacking; |
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class RenderLayerCompositor; |
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#endif |
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class ClipRects { |
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public: |
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ClipRects() |
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: m_refCnt(0) |
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, m_fixed(false) |
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{ |
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} |
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ClipRects(const IntRect& r) |
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: m_overflowClipRect(r) |
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, m_fixedClipRect(r) |
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, m_posClipRect(r) |
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, m_refCnt(0) |
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, m_fixed(false) |
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{ |
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} |
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ClipRects(const ClipRects& other) |
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: m_overflowClipRect(other.overflowClipRect()) |
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, m_fixedClipRect(other.fixedClipRect()) |
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, m_posClipRect(other.posClipRect()) |
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, m_refCnt(0) |
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, m_fixed(other.fixed()) |
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{ |
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} |
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void reset(const IntRect& r) |
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{ |
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m_overflowClipRect = r; |
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m_fixedClipRect = r; |
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m_posClipRect = r; |
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m_fixed = false; |
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} |
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const IntRect& overflowClipRect() const { return m_overflowClipRect; } |
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void setOverflowClipRect(const IntRect& r) { m_overflowClipRect = r; } |
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const IntRect& fixedClipRect() const { return m_fixedClipRect; } |
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void setFixedClipRect(const IntRect&r) { m_fixedClipRect = r; } |
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const IntRect& posClipRect() const { return m_posClipRect; } |
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void setPosClipRect(const IntRect& r) { m_posClipRect = r; } |
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bool fixed() const { return m_fixed; } |
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void setFixed(bool fixed) { m_fixed = fixed; } |
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void ref() { m_refCnt++; } |
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void deref(RenderArena* renderArena) { if (--m_refCnt == 0) destroy(renderArena); } |
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void destroy(RenderArena*); |
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// Overloaded new operator. |
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void* operator new(size_t, RenderArena*) throw(); |
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// Overridden to prevent the normal delete from being called. |
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void operator delete(void*, size_t); |
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bool operator==(const ClipRects& other) const |
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{ |
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return m_overflowClipRect == other.overflowClipRect() && |
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m_fixedClipRect == other.fixedClipRect() && |
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m_posClipRect == other.posClipRect() && |
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m_fixed == other.fixed(); |
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} |
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ClipRects& operator=(const ClipRects& other) |
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{ |
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m_overflowClipRect = other.overflowClipRect(); |
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m_fixedClipRect = other.fixedClipRect(); |
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m_posClipRect = other.posClipRect(); |
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m_fixed = other.fixed(); |
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return *this; |
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} |
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static IntRect infiniteRect() { return IntRect(INT_MIN/2, INT_MIN/2, INT_MAX, INT_MAX); } |
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private: |
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// The normal operator new is disallowed on all render objects. |
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void* operator new(size_t) throw(); |
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private: |
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IntRect m_overflowClipRect; |
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IntRect m_fixedClipRect; |
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IntRect m_posClipRect; |
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unsigned m_refCnt : 31; |
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bool m_fixed : 1; |
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}; |
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class RenderLayer : public ScrollbarClient { |
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public: |
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friend class RenderReplica; |
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RenderLayer(RenderBoxModelObject*); |
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~RenderLayer(); |
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RenderBoxModelObject* renderer() const { return m_renderer; } |
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RenderBox* renderBox() const { return m_renderer && m_renderer->isBox() ? toRenderBox(m_renderer) : 0; } |
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RenderLayer* parent() const { return m_parent; } |
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RenderLayer* previousSibling() const { return m_previous; } |
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RenderLayer* nextSibling() const { return m_next; } |
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RenderLayer* firstChild() const { return m_first; } |
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RenderLayer* lastChild() const { return m_last; } |
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|
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void addChild(RenderLayer* newChild, RenderLayer* beforeChild = 0); |
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RenderLayer* removeChild(RenderLayer*); |
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|
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void removeOnlyThisLayer(); |
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void insertOnlyThisLayer(); |
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|
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void repaintIncludingDescendants(); |
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#if USE(ACCELERATED_COMPOSITING) |
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// Indicate that the layer contents need to be repainted. Only has an effect |
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// if layer compositing is being used, |
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void setBackingNeedsRepaint(); |
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void setBackingNeedsRepaintInRect(const IntRect& r); // r is in the coordinate space of the layer's render object |
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void repaintIncludingNonCompositingDescendants(RenderBoxModelObject* repaintContainer); |
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#endif |
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void styleChanged(StyleDifference, const RenderStyle*); |
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RenderMarquee* marquee() const { return m_marquee; } |
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bool isNormalFlowOnly() const { return m_isNormalFlowOnly; } |
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bool isSelfPaintingLayer() const; |
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bool requiresSlowRepaints() const; |
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bool isTransparent() const; |
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RenderLayer* transparentPaintingAncestor(); |
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void beginTransparencyLayers(GraphicsContext*, const RenderLayer* rootLayer, PaintBehavior); |
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bool hasReflection() const { return renderer()->hasReflection(); } |
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bool isReflection() const { return renderer()->isReplica(); } |
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RenderReplica* reflection() const { return m_reflection; } |
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RenderLayer* reflectionLayer() const; |
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const RenderLayer* root() const |
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{ |
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const RenderLayer* curr = this; |
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while (curr->parent()) |
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curr = curr->parent(); |
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return curr; |
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} |
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int x() const { return m_x; } |
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int y() const { return m_y; } |
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void setLocation(int x, int y) |
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{ |
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m_x = x; |
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m_y = y; |
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} |
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int width() const { return m_width; } |
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int height() const { return m_height; } |
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IntSize size() const { return IntSize(m_width, m_height); } |
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void setWidth(int w) { m_width = w; } |
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void setHeight(int h) { m_height = h; } |
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int scrollWidth(); |
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int scrollHeight(); |
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void panScrollFromPoint(const IntPoint&); |
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// Scrolling methods for layers that can scroll their overflow. |
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void scrollByRecursively(int xDelta, int yDelta); |
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IntSize scrolledContentOffset() const { return IntSize(scrollXOffset() + m_scrollLeftOverflow, scrollYOffset()); } |
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int scrollXOffset() const { return m_scrollX + m_scrollOriginX; } |
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int scrollYOffset() const { return m_scrollY; } |
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void scrollToOffset(int x, int y, bool updateScrollbars = true, bool repaint = true); |
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void scrollToXOffset(int x) { scrollToOffset(x, m_scrollY); } |
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void scrollToYOffset(int y) { scrollToOffset(m_scrollX + m_scrollOriginX, y); } |
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void scrollRectToVisible(const IntRect&, bool scrollToAnchor = false, const ScrollAlignment& alignX = ScrollAlignment::alignCenterIfNeeded, const ScrollAlignment& alignY = ScrollAlignment::alignCenterIfNeeded); |
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IntRect getRectToExpose(const IntRect& visibleRect, const IntRect& exposeRect, const ScrollAlignment& alignX, const ScrollAlignment& alignY); |
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void setHasHorizontalScrollbar(bool); |
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void setHasVerticalScrollbar(bool); |
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PassRefPtr<Scrollbar> createScrollbar(ScrollbarOrientation); |
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void destroyScrollbar(ScrollbarOrientation); |
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Scrollbar* horizontalScrollbar() const { return m_hBar.get(); } |
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Scrollbar* verticalScrollbar() const { return m_vBar.get(); } |
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int verticalScrollbarWidth() const; |
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int horizontalScrollbarHeight() const; |
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bool hasOverflowControls() const; |
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void positionOverflowControls(int tx, int ty); |
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bool isPointInResizeControl(const IntPoint& absolutePoint) const; |
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bool hitTestOverflowControls(HitTestResult&, const IntPoint& localPoint); |
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IntSize offsetFromResizeCorner(const IntPoint& absolutePoint) const; |
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void paintOverflowControls(GraphicsContext*, int tx, int ty, const IntRect& damageRect); |
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void paintScrollCorner(GraphicsContext*, int tx, int ty, const IntRect& damageRect); |
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void paintResizer(GraphicsContext*, int tx, int ty, const IntRect& damageRect); |
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void updateScrollInfoAfterLayout(); |
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bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1.0f); |
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void autoscroll(); |
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void resize(const PlatformMouseEvent&, const IntSize&); |
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bool inResizeMode() const { return m_inResizeMode; } |
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void setInResizeMode(bool b) { m_inResizeMode = b; } |
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bool isRootLayer() const { return renderer()->isRenderView(); } |
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#if USE(ACCELERATED_COMPOSITING) |
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RenderLayerCompositor* compositor() const; |
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// Notification from the renderer that its content changed (e.g. current frame of image changed). |
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// Allows updates of layer content without repainting. |
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void rendererContentChanged(); |
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#endif |
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// Returns true if the accelerated compositing is enabled |
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bool hasAcceleratedCompositing() const; |
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void updateLayerPosition(); |
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enum UpdateLayerPositionsFlag { |
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DoFullRepaint = 1, |
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CheckForRepaint = 1 << 1, |
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IsCompositingUpdateRoot = 1 << 2, |
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UpdateCompositingLayers = 1 << 3, |
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UpdatePagination = 1 << 4 |
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}; |
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typedef unsigned UpdateLayerPositionsFlags; |
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void updateLayerPositions(UpdateLayerPositionsFlags = DoFullRepaint | IsCompositingUpdateRoot | UpdateCompositingLayers, IntPoint* cachedOffset = 0); |
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310 |
|
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void updateTransform(); |
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312 |
|
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void relativePositionOffset(int& relX, int& relY) const { relX += m_relX; relY += m_relY; } |
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IntSize relativePositionOffset() const { return IntSize(m_relX, m_relY); } |
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315 |
|
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void clearClipRectsIncludingDescendants(); |
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void clearClipRects(); |
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318 |
|
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void addBlockSelectionGapsBounds(const IntRect&); |
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void clearBlockSelectionGapsBounds(); |
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void repaintBlockSelectionGaps(); |
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322 |
|
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// Get the enclosing stacking context for this layer. A stacking context is a layer |
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// that has a non-auto z-index. |
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RenderLayer* stackingContext() const; |
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bool isStackingContext() const { return !hasAutoZIndex() || renderer()->isRenderView(); } |
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327 |
|
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void dirtyZOrderLists(); |
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void dirtyStackingContextZOrderLists(); |
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void updateZOrderLists(); |
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Vector<RenderLayer*>* posZOrderList() const { return m_posZOrderList; } |
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Vector<RenderLayer*>* negZOrderList() const { return m_negZOrderList; } |
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333 |
|
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void dirtyNormalFlowList(); |
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void updateNormalFlowList(); |
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Vector<RenderLayer*>* normalFlowList() const { return m_normalFlowList; } |
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337 |
|
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bool hasVisibleContent() const { return m_hasVisibleContent; } |
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bool hasVisibleDescendant() const { return m_hasVisibleDescendant; } |
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void setHasVisibleContent(bool); |
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void dirtyVisibleContentStatus(); |
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342 |
|
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// Gets the nearest enclosing positioned ancestor layer (also includes |
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// the <html> layer and the root layer). |
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RenderLayer* enclosingPositionedAncestor() const; |
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346 |
|
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// The layer relative to which clipping rects for this layer are computed. |
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RenderLayer* clippingRoot() const; |
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349 |
|
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#if USE(ACCELERATED_COMPOSITING) |
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// Enclosing compositing layer; if includeSelf is true, may return this. |
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RenderLayer* enclosingCompositingLayer(bool includeSelf = true) const; |
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// Ancestor compositing layer, excluding this. |
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RenderLayer* ancestorCompositingLayer() const { return enclosingCompositingLayer(false); } |
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#endif |
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356 |
|
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void convertToLayerCoords(const RenderLayer* ancestorLayer, int& x, int& y) const; |
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358 |
|
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bool hasAutoZIndex() const { return renderer()->style()->hasAutoZIndex(); } |
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int zIndex() const { return renderer()->style()->zIndex(); } |
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|
361 |
|
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// The two main functions that use the layer system. The paint method |
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// paints the layers that intersect the damage rect from back to |
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// front. The hitTest method looks for mouse events by walking |
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// layers that intersect the point from front to back. |
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void paint(GraphicsContext*, const IntRect& damageRect, PaintBehavior = PaintBehaviorNormal, RenderObject* paintingRoot = 0); |
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bool hitTest(const HitTestRequest&, HitTestResult&); |
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|
368 |
|
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// This method figures out our layerBounds in coordinates relative to |
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// |rootLayer}. It also computes our background and foreground clip rects |
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// for painting/event handling. |
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|
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void calculateRects(const RenderLayer* rootLayer, const IntRect& paintDirtyRect, IntRect& layerBounds, |
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IntRect& backgroundRect, IntRect& foregroundRect, IntRect& outlineRect, bool temporaryClipRects = false) const; |
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|
374 |
|
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// Compute and cache clip rects computed with the given layer as the root |
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void updateClipRects(const RenderLayer* rootLayer); |
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// Compute and return the clip rects. If useCached is true, will used previously computed clip rects on ancestors |
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// (rather than computing them all from scratch up the parent chain). |
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|
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void calculateClipRects(const RenderLayer* rootLayer, ClipRects&, bool useCached = false) const; |
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ClipRects* clipRects() const { return m_clipRects; } |
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|
381 |
|
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|
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IntRect childrenClipRect() const; // Returns the foreground clip rect of the layer in the document's coordinate space. |
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IntRect selfClipRect() const; // Returns the background clip rect of the layer in the document's coordinate space. |
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|
384 |
|
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bool intersectsDamageRect(const IntRect& layerBounds, const IntRect& damageRect, const RenderLayer* rootLayer) const; |
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|
386 |
|
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// Bounding box relative to some ancestor layer. |
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|
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IntRect boundingBox(const RenderLayer* rootLayer) const; |
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// Bounding box in the coordinates of this layer. |
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IntRect localBoundingBox() const; |
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// Bounding box relative to the root. |
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IntRect absoluteBoundingBox() const; |
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|
393 |
|
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void updateHoverActiveState(const HitTestRequest&, HitTestResult&); |
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|
395 |
|
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Revision: 201037
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396 |
// Return a cached repaint rect, computed relative to the layer renderer's containerForRepaint. |
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|
397 |
IntRect repaintRect() const { return m_repaintRect; } |
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IntRect repaintRectIncludingDescendants() const; |
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|
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void computeRepaintRects(); |
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void updateRepaintRectsAfterScroll(bool fixed = false); |
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|
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void setNeedsFullRepaint(bool f = true) { m_needsFullRepaint = f; } |
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|
402 |
|
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403 |
int staticX() const { return m_staticX; } |
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404 |
int staticY() const { return m_staticY; } |
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|
405 |
void setStaticX(int staticX) { m_staticX = staticX; } |
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void setStaticY(int staticY) { m_staticY = staticY; } |
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|
407 |
|
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|
408 |
bool hasTransform() const { return renderer()->hasTransform(); } |
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|
409 |
// Note that this transform has the transform-origin baked in. |
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|
410 |
TransformationMatrix* transform() const { return m_transform.get(); } |
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|
411 |
// currentTransform computes a transform which takes accelerated animations into account. The |
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|
412 |
// resulting transform has transform-origin baked in. If the layer does not have a transform, |
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|
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// returns the identity matrix. |
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|
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TransformationMatrix currentTransform() const; |
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Revision: 201037
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|
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TransformationMatrix renderableTransform(PaintBehavior) const; |
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|
416 |
|
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|
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// Get the perspective transform, which is applied to transformed sublayers. |
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|
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// Returns true if the layer has a -webkit-perspective. |
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|
419 |
// Note that this transform has the perspective-origin baked in. |
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|
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TransformationMatrix perspectiveTransform() const; |
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|
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FloatPoint perspectiveOrigin() const; |
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bool preserves3D() const { return renderer()->style()->transformStyle3D() == TransformStyle3DPreserve3D; } |
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|
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bool has3DTransform() const { return m_transform && !m_transform->isAffine(); } |
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|
424 |
|
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|
425 |
// Overloaded new operator. Derived classes must override operator new |
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// in order to allocate out of the RenderArena. |
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|
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void* operator new(size_t, RenderArena*) throw(); |
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|
428 |
|
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// Overridden to prevent the normal delete from being called. |
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|
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void operator delete(void*, size_t); |
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|
431 |
|
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|
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#if USE(ACCELERATED_COMPOSITING) |
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Revision: 201037
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|
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bool isComposited() const { return m_backing != 0; } |
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|
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bool hasCompositedMask() const; |
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|
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RenderLayerBacking* backing() const { return m_backing.get(); } |
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|
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RenderLayerBacking* ensureBacking(); |
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Revision: 201037
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|
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void clearBacking(); |
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Revision: 201037
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|
438 |
#else |
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|
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bool isComposited() const { return false; } |
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Revision: 201037
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|
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bool hasCompositedMask() const { return false; } |
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|
441 |
#endif |
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|
442 |
|
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Revision: 201037
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|
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bool paintsWithTransparency(PaintBehavior paintBehavior) const |
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Revision: 201037
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|
444 |
{ |
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Revision: 201037
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|
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return isTransparent() && ((paintBehavior & PaintBehaviorFlattenCompositingLayers) || !isComposited()); |
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|
446 |
} |
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|
447 |
|
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Revision: 201037
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|
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bool paintsWithTransform(PaintBehavior paintBehavior) const |
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Revision: 201037
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|
449 |
{ |
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Revision: 201037
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|
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return transform() && ((paintBehavior & PaintBehaviorFlattenCompositingLayers) || !isComposited()); |
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|
451 |
} |
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|
452 |
|
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Revision: 201037
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|
453 |
private: |
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Revision: 201037
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|
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// The normal operator new is disallowed on all render objects. |
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Revision: 201037
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|
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void* operator new(size_t) throw(); |
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|
456 |
|
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|
457 |
private: |
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Revision: 201037
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|
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void setNextSibling(RenderLayer* next) { m_next = next; } |
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Revision: 201037
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|
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void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } |
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|
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void setParent(RenderLayer* parent); |
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|
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void setFirstChild(RenderLayer* first) { m_first = first; } |
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Revision: 201037
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|
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void setLastChild(RenderLayer* last) { m_last = last; } |
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|
463 |
|
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Revision: 201037
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|
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int renderBoxX() const { return renderer()->isBox() ? toRenderBox(renderer())->x() : 0; } |
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|
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int renderBoxY() const { return renderer()->isBox() ? toRenderBox(renderer())->y() : 0; } |
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|
466 |
|
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Revision: 201037
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|
467 |
void collectLayers(Vector<RenderLayer*>*&, Vector<RenderLayer*>*&); |
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|
468 |
|
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Revision: 201037
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|
469 |
void updateLayerListsIfNeeded(); |
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Revision: 201037
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|
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void updateCompositingAndLayerListsIfNeeded(); |
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Revision: 201037
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|
471 |
|
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Revision: 201037
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|
472 |
enum PaintLayerFlag { |
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Revision: 201037
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|
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PaintLayerHaveTransparency = 1, |
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Revision: 201037
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|
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PaintLayerAppliedTransform = 1 << 1, |
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Revision: 201037
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|
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PaintLayerTemporaryClipRects = 1 << 2, |
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Revision: 201037
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|
476 |
PaintLayerPaintingReflection = 1 << 3 |
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Revision: 201037
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|
477 |
}; |
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Revision: 201037
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|
478 |
|
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Revision: 201037
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|
479 |
typedef unsigned PaintLayerFlags; |
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Revision: 201037
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|
480 |
|
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Revision: 201037
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|
481 |
void paintLayer(RenderLayer* rootLayer, GraphicsContext*, const IntRect& paintDirtyRect, |
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Revision: 201037
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|
482 |
PaintBehavior, RenderObject* paintingRoot, OverlapTestRequestMap* = 0, |
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Revision: 201037
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|
483 |
PaintLayerFlags = 0); |
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Revision: 201037
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|
484 |
void paintList(Vector<RenderLayer*>*, RenderLayer* rootLayer, GraphicsContext* p, |
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Revision: 201037
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|
485 |
const IntRect& paintDirtyRect, PaintBehavior, |
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Revision: 201037
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|
486 |
RenderObject* paintingRoot, OverlapTestRequestMap*, |
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Revision: 201037
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|
487 |
PaintLayerFlags); |
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Revision: 201037
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|
488 |
void paintPaginatedChildLayer(RenderLayer* childLayer, RenderLayer* rootLayer, GraphicsContext*, |
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Revision: 201037
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|
489 |
const IntRect& paintDirtyRect, PaintBehavior, |
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Revision: 201037
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|
490 |
RenderObject* paintingRoot, OverlapTestRequestMap*, |
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Revision: 201037
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|
491 |
PaintLayerFlags); |
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Revision: 201037
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|
492 |
void paintChildLayerIntoColumns(RenderLayer* childLayer, RenderLayer* rootLayer, GraphicsContext*, |
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Revision: 201037
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|
493 |
const IntRect& paintDirtyRect, PaintBehavior, |
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Revision: 201037
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|
494 |
RenderObject* paintingRoot, OverlapTestRequestMap*, |
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Revision: 201037
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|
495 |
PaintLayerFlags, const Vector<RenderLayer*>& columnLayers, size_t columnIndex); |
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Revision: 201037
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|
496 |
|
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Revision: 201037
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|
497 |
RenderLayer* hitTestLayer(RenderLayer* rootLayer, RenderLayer* containerLayer, const HitTestRequest& request, HitTestResult& result, |
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|
498 |
const IntRect& hitTestRect, const IntPoint& hitTestPoint, bool appliedTransform, |
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|
499 |
const HitTestingTransformState* transformState = 0, double* zOffset = 0); |
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Revision: 201037
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|
500 |
RenderLayer* hitTestList(Vector<RenderLayer*>*, RenderLayer* rootLayer, const HitTestRequest& request, HitTestResult& result, |
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|
501 |
const IntRect& hitTestRect, const IntPoint& hitTestPoint, |
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Revision: 201037
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|
502 |
const HitTestingTransformState* transformState, double* zOffsetForDescendants, double* zOffset, |
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Revision: 201037
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|
503 |
const HitTestingTransformState* unflattenedTransformState, bool depthSortDescendants); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
504 |
RenderLayer* hitTestPaginatedChildLayer(RenderLayer* childLayer, RenderLayer* rootLayer, const HitTestRequest& request, HitTestResult& result, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
505 |
const IntRect& hitTestRect, const IntPoint& hitTestPoint, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
506 |
const HitTestingTransformState* transformState, double* zOffset); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
RenderLayer* hitTestChildLayerColumns(RenderLayer* childLayer, RenderLayer* rootLayer, const HitTestRequest& request, HitTestResult& result, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
const IntRect& hitTestRect, const IntPoint& hitTestPoint, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
509 |
const HitTestingTransformState* transformState, double* zOffset, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
510 |
const Vector<RenderLayer*>& columnLayers, size_t columnIndex); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
511 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
PassRefPtr<HitTestingTransformState> createLocalTransformState(RenderLayer* rootLayer, RenderLayer* containerLayer, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
const IntRect& hitTestRect, const IntPoint& hitTestPoint, |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
514 |
const HitTestingTransformState* containerTransformState) const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
516 |
bool hitTestContents(const HitTestRequest&, HitTestResult&, const IntRect& layerBounds, const IntPoint& hitTestPoint, HitTestFilter) const; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
517 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
void computeScrollDimensions(bool* needHBar = 0, bool* needVBar = 0); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
519 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
520 |
bool shouldBeNormalFlowOnly() const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
521 |
|
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
522 |
// ScrollBarClient interface |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
523 |
virtual void valueChanged(Scrollbar*); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
524 |
virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
525 |
virtual bool isActive() const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
526 |
virtual bool scrollbarCornerPresent() const; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
527 |
virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
528 |
virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
529 |
virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const; |
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Revision: 201037
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parents:
diff
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|
530 |
virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const; |
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Revision: 201037
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parents:
diff
changeset
|
531 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
532 |
IntSize scrollbarOffset(const Scrollbar*) const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
void childVisibilityChanged(bool newVisibility); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
void dirtyVisibleDescendantStatus(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
void updateVisibilityStatus(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
// This flag is computed by RenderLayerCompositor, which knows more about 3d hierarchies than we do. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
void setHas3DTransformedDescendant(bool b) { m_has3DTransformedDescendant = b; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
bool has3DTransformedDescendant() const { return m_has3DTransformedDescendant; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
void dirty3DTransformedDescendantStatus(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
// Both updates the status, and returns true if descendants of this have 3d. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
bool update3DTransformedDescendantStatus(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
548 |
Node* enclosingElement() const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
550 |
void createReflection(); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
551 |
void removeReflection(); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
552 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
553 |
void updateReflectionStyle(); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
bool paintingInsideReflection() const { return m_paintingInsideReflection; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
555 |
void setPaintingInsideReflection(bool b) { m_paintingInsideReflection = b; } |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
void parentClipRects(const RenderLayer* rootLayer, ClipRects&, bool temporaryClipRects = false) const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
IntRect backgroundClipRect(const RenderLayer* rootLayer, bool temporaryClipRects) const; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
RenderLayer* enclosingTransformedAncestor() const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
// Convert a point in absolute coords into layer coords, taking transforms into account |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
563 |
IntPoint absoluteToContents(const IntPoint&) const; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
void updateScrollCornerStyle(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
void updateResizerStyle(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
void updatePagination(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
bool isPaginated() const { return m_isPaginated; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
#if USE(ACCELERATED_COMPOSITING) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
bool hasCompositingDescendant() const { return m_hasCompositingDescendant; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
573 |
void setHasCompositingDescendant(bool b) { m_hasCompositingDescendant = b; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
bool mustOverlapCompositedLayers() const { return m_mustOverlapCompositedLayers; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
void setMustOverlapCompositedLayers(bool b) { m_mustOverlapCompositedLayers = b; } |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
578 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
private: |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
friend class RenderLayerBacking; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
friend class RenderLayerCompositor; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
friend class RenderBoxModelObject; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
// Only safe to call from RenderBoxModelObject::destroyLayer(RenderArena*) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
void destroy(RenderArena*); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
protected: |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
RenderBoxModelObject* m_renderer; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
RenderLayer* m_parent; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
RenderLayer* m_previous; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
RenderLayer* m_next; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
RenderLayer* m_first; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
RenderLayer* m_last; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
IntRect m_repaintRect; // Cached repaint rects. Used by layout. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
IntRect m_outlineBox; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
// Our current relative position offset. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
int m_relX; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
int m_relY; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
// Our (x,y) coordinates are in our parent layer's coordinate space. |
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Revision: 201037
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|
604 |
int m_x; |
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|
605 |
int m_y; |
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|
606 |
|
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Revision: 201037
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|
607 |
// The layer's width/height |
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Revision: 201037
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|
608 |
int m_width; |
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Revision: 201037
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|
609 |
int m_height; |
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Revision: 201037
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diff
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|
610 |
|
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Revision: 201037
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|
611 |
// Our scroll offsets if the view is scrolled. |
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Revision: 201037
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|
612 |
int m_scrollX; |
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Revision: 201037
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613 |
int m_scrollY; |
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Revision: 201037
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|
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int m_scrollOriginX; // only non-zero for rtl content |
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Revision: 201037
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|
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int m_scrollLeftOverflow; // only non-zero for rtl content |
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Revision: 201037
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diff
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|
616 |
|
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Revision: 201037
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|
617 |
// The width/height of our scrolled area. |
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Revision: 201037
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|
618 |
int m_scrollWidth; |
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Revision: 201037
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619 |
int m_scrollHeight; |
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Revision: 201037
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diff
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|
620 |
|
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Revision: 201037
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621 |
// For layers with overflow, we have a pair of scrollbars. |
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Revision: 201037
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622 |
RefPtr<Scrollbar> m_hBar; |
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Revision: 201037
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623 |
RefPtr<Scrollbar> m_vBar; |
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Revision: 201037
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diff
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|
624 |
|
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Revision: 201037
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625 |
// Keeps track of whether the layer is currently resizing, so events can cause resizing to start and stop. |
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Revision: 201037
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626 |
bool m_inResizeMode; |
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Revision: 201037
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diff
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|
627 |
|
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Revision: 201037
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628 |
// For layers that establish stacking contexts, m_posZOrderList holds a sorted list of all the |
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Revision: 201037
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629 |
// descendant layers within the stacking context that have z-indices of 0 or greater |
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630 |
// (auto will count as 0). m_negZOrderList holds descendants within our stacking context with negative |
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Revision: 201037
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631 |
// z-indices. |
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Revision: 201037
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Vector<RenderLayer*>* m_posZOrderList; |
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Revision: 201037
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|
633 |
Vector<RenderLayer*>* m_negZOrderList; |
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|
634 |
|
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Revision: 201037
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|
635 |
// This list contains child layers that cannot create stacking contexts. For now it is just |
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Revision: 201037
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636 |
// overflow layers, but that may change in the future. |
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|
637 |
Vector<RenderLayer*>* m_normalFlowList; |
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Revision: 201037
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|
638 |
|
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Revision: 201037
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|
639 |
ClipRects* m_clipRects; // Cached clip rects used when painting and hit testing. |
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Revision: 201037
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diff
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|
640 |
#ifndef NDEBUG |
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Revision: 201037
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const RenderLayer* m_clipRectsRoot; // Root layer used to compute clip rects. |
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Revision: 201037
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642 |
#endif |
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|
643 |
|
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Revision: 201037
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644 |
bool m_scrollDimensionsDirty : 1; |
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Revision: 201037
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|
645 |
bool m_zOrderListsDirty : 1; |
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Revision: 201037
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|
646 |
bool m_normalFlowListDirty: 1; |
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Revision: 201037
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|
647 |
bool m_isNormalFlowOnly : 1; |
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Revision: 201037
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|
648 |
|
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Revision: 201037
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|
649 |
bool m_usedTransparency : 1; // Tracks whether we need to close a transparent layer, i.e., whether |
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Revision: 201037
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|
650 |
// we ended up painting this layer or any descendants (and therefore need to |
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Revision: 201037
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|
651 |
// blend). |
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Revision: 201037
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|
652 |
bool m_paintingInsideReflection : 1; // A state bit tracking if we are painting inside a replica. |
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Revision: 201037
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|
653 |
bool m_inOverflowRelayout : 1; |
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Revision: 201037
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|
654 |
bool m_needsFullRepaint : 1; |
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Revision: 201037
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|
655 |
|
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|
656 |
bool m_overflowStatusDirty : 1; |
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Revision: 201037
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|
657 |
bool m_horizontalOverflow : 1; |
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Revision: 201037
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|
658 |
bool m_verticalOverflow : 1; |
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Revision: 201037
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|
659 |
bool m_visibleContentStatusDirty : 1; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
660 |
bool m_hasVisibleContent : 1; |
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Revision: 201037
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|
661 |
bool m_visibleDescendantStatusDirty : 1; |
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Revision: 201037
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|
662 |
bool m_hasVisibleDescendant : 1; |
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diff
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|
663 |
|
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Revision: 201037
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|
664 |
bool m_isPaginated : 1; // If we think this layer is split by a multi-column ancestor, then this bit will be set. |
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|
665 |
|
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Revision: 201037
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|
666 |
bool m_3DTransformedDescendantStatusDirty : 1; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
667 |
bool m_has3DTransformedDescendant : 1; // Set on a stacking context layer that has 3D descendants anywhere |
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Revision: 201037
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diff
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|
668 |
// in a preserves3D hierarchy. Hint to do 3D-aware hit testing. |
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Revision: 201037
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|
669 |
#if USE(ACCELERATED_COMPOSITING) |
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Revision: 201037
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|
670 |
bool m_hasCompositingDescendant : 1; |
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Revision: 201037
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|
671 |
bool m_mustOverlapCompositedLayers : 1; |
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Revision: 201037
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|
672 |
#endif |
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673 |
|
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Revision: 201037
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|
674 |
RenderMarquee* m_marquee; // Used by layers with overflow:marquee |
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Revision: 201037
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|
675 |
|
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Revision: 201037
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|
676 |
// Cached normal flow values for absolute positioned elements with static left/top values. |
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Revision: 201037
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|
677 |
int m_staticX; |
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Revision: 201037
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|
678 |
int m_staticY; |
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|
679 |
|
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Revision: 201037
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|
680 |
OwnPtr<TransformationMatrix> m_transform; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
681 |
|
4f2f89ce4247
Revision: 201037
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diff
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|
682 |
// May ultimately be extended to many replicas (with their own paint order). |
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Revision: 201037
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|
683 |
RenderReplica* m_reflection; |
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Revision: 201037
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|
684 |
|
4f2f89ce4247
Revision: 201037
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diff
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|
685 |
// Renderers to hold our custom scroll corner and resizer. |
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Revision: 201037
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|
686 |
RenderScrollbarPart* m_scrollCorner; |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
687 |
RenderScrollbarPart* m_resizer; |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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688 |
|
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diff
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|
689 |
private: |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
690 |
IntRect m_blockSelectionGapsBounds; |
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|
691 |
|
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Revision: 201037
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diff
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|
692 |
#if USE(ACCELERATED_COMPOSITING) |
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Revision: 201037
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|
693 |
OwnPtr<RenderLayerBacking> m_backing; |
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|
694 |
#endif |
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Revision: 201037
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|
695 |
}; |
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|
696 |
|
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Revision: 201037
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|
697 |
} // namespace WebCore |
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|
698 |
|
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Revision: 201037
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parents:
diff
changeset
|
699 |
#ifndef NDEBUG |
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Revision: 201037
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|
700 |
// Outside the WebCore namespace for ease of invocation from gdb. |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
701 |
void showLayerTree(const WebCore::RenderLayer* layer); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
702 |
#endif |
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Revision: 201037
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|
703 |
|
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Revision: 201037
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|
704 |
#endif // RenderLayer_h |