| Index: Source/core/rendering/RenderObject.h
|
| diff --git a/Source/core/rendering/RenderObject.h b/Source/core/rendering/RenderObject.h
|
| deleted file mode 100644
|
| index 57a0215b15fecc71c50c2fe399219a7537763717..0000000000000000000000000000000000000000
|
| --- a/Source/core/rendering/RenderObject.h
|
| +++ /dev/null
|
| @@ -1,1622 +0,0 @@
|
| -/*
|
| - * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
|
| - * (C) 2000 Antti Koivisto (koivisto@kde.org)
|
| - * (C) 2000 Dirk Mueller (mueller@kde.org)
|
| - * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
|
| - * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
|
| - * Copyright (C) 2009 Google Inc. All rights reserved.
|
| - *
|
| - * This library is free software; you can redistribute it and/or
|
| - * modify it under the terms of the GNU Library General Public
|
| - * License as published by the Free Software Foundation; either
|
| - * version 2 of the License, or (at your option) any later version.
|
| - *
|
| - * This library is distributed in the hope that it will be useful,
|
| - * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| - * Library General Public License for more details.
|
| - *
|
| - * You should have received a copy of the GNU Library General Public License
|
| - * along with this library; see the file COPYING.LIB. If not, write to
|
| - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
| - * Boston, MA 02110-1301, USA.
|
| - *
|
| - */
|
| -
|
| -#ifndef RenderObject_h
|
| -#define RenderObject_h
|
| -
|
| -#include "core/dom/Document.h"
|
| -#include "core/dom/DocumentLifecycle.h"
|
| -#include "core/dom/Element.h"
|
| -#include "core/editing/TextAffinity.h"
|
| -#include "core/fetch/ImageResourceClient.h"
|
| -#include "core/html/HTMLElement.h"
|
| -#include "core/inspector/InspectorTraceEvents.h"
|
| -#include "core/layout/HitTestRequest.h"
|
| -#include "core/layout/compositing/CompositingState.h"
|
| -#include "core/layout/compositing/CompositingTriggers.h"
|
| -#include "core/rendering/PaintInvalidationState.h"
|
| -#include "core/rendering/PaintPhase.h"
|
| -#include "core/rendering/RenderObjectChildList.h"
|
| -#include "core/rendering/ScrollAlignment.h"
|
| -#include "core/rendering/SubtreeLayoutScope.h"
|
| -#include "core/rendering/style/RenderStyle.h"
|
| -#include "core/rendering/style/StyleInheritedData.h"
|
| -#include "platform/geometry/FloatQuad.h"
|
| -#include "platform/geometry/LayoutRect.h"
|
| -#include "platform/graphics/CompositingReasons.h"
|
| -#include "platform/graphics/PaintInvalidationReason.h"
|
| -#include "platform/graphics/paint/DisplayItemClient.h"
|
| -#include "platform/transforms/TransformationMatrix.h"
|
| -
|
| -namespace blink {
|
| -
|
| -class AffineTransform;
|
| -class Cursor;
|
| -class DisplayItemList;
|
| -class Document;
|
| -class HitTestLocation;
|
| -class HitTestResult;
|
| -class InlineBox;
|
| -class Position;
|
| -class PositionWithAffinity;
|
| -class PseudoStyleRequest;
|
| -class RenderBoxModelObject;
|
| -class RenderBlock;
|
| -class RenderFlowThread;
|
| -class RenderGeometryMap;
|
| -class Layer;
|
| -class LayoutLayerModelObject;
|
| -class RenderMultiColumnSpannerPlaceholder;
|
| -class RenderView;
|
| -class TransformState;
|
| -
|
| -struct PaintInfo;
|
| -
|
| -enum CursorDirective {
|
| - SetCursorBasedOnStyle,
|
| - SetCursor,
|
| - DoNotSetCursor
|
| -};
|
| -
|
| -enum HitTestFilter {
|
| - HitTestAll,
|
| - HitTestSelf,
|
| - HitTestDescendants
|
| -};
|
| -
|
| -enum HitTestAction {
|
| - HitTestBlockBackground,
|
| - HitTestChildBlockBackground,
|
| - HitTestChildBlockBackgrounds,
|
| - HitTestFloat,
|
| - HitTestForeground
|
| -};
|
| -
|
| -enum MarkingBehavior {
|
| - MarkOnlyThis,
|
| - MarkContainingBlockChain,
|
| -};
|
| -
|
| -enum MapCoordinatesMode {
|
| - IsFixed = 1 << 0,
|
| - UseTransforms = 1 << 1,
|
| - ApplyContainerFlip = 1 << 2,
|
| - TraverseDocumentBoundaries = 1 << 3,
|
| -};
|
| -typedef unsigned MapCoordinatesFlags;
|
| -
|
| -const int caretWidth = 1;
|
| -
|
| -struct AnnotatedRegionValue {
|
| - bool operator==(const AnnotatedRegionValue& o) const
|
| - {
|
| - return draggable == o.draggable && bounds == o.bounds;
|
| - }
|
| -
|
| - LayoutRect bounds;
|
| - bool draggable;
|
| -};
|
| -
|
| -typedef WTF::HashMap<const Layer*, Vector<LayoutRect>> LayerHitTestRects;
|
| -
|
| -#ifndef NDEBUG
|
| -const int showTreeCharacterOffset = 39;
|
| -#endif
|
| -
|
| -// Base class for all rendering tree objects.
|
| -class RenderObject : public ImageResourceClient {
|
| - friend class RenderBlock;
|
| - friend class RenderBlockFlow;
|
| - friend class LayerReflectionInfo; // For setParent
|
| - friend class LayerScrollableArea; // For setParent.
|
| - friend class RenderObjectChildList;
|
| - WTF_MAKE_NONCOPYABLE(RenderObject);
|
| -public:
|
| - // Anonymous objects should pass the document as their node, and they will then automatically be
|
| - // marked as anonymous in the constructor.
|
| - explicit RenderObject(Node*);
|
| - virtual ~RenderObject();
|
| -
|
| - virtual const char* renderName() const = 0;
|
| -
|
| - String debugName() const;
|
| -
|
| - RenderObject* parent() const { return m_parent; }
|
| - bool isDescendantOf(const RenderObject*) const;
|
| -
|
| - RenderObject* previousSibling() const { return m_previous; }
|
| - RenderObject* nextSibling() const { return m_next; }
|
| -
|
| - RenderObject* slowFirstChild() const
|
| - {
|
| - if (const RenderObjectChildList* children = virtualChildren())
|
| - return children->firstChild();
|
| - return 0;
|
| - }
|
| - RenderObject* slowLastChild() const
|
| - {
|
| - if (const RenderObjectChildList* children = virtualChildren())
|
| - return children->lastChild();
|
| - return 0;
|
| - }
|
| -
|
| - virtual RenderObjectChildList* virtualChildren() { return 0; }
|
| - virtual const RenderObjectChildList* virtualChildren() const { return 0; }
|
| -
|
| - RenderObject* nextInPreOrder() const;
|
| - RenderObject* nextInPreOrder(const RenderObject* stayWithin) const;
|
| - RenderObject* nextInPreOrderAfterChildren() const;
|
| - RenderObject* nextInPreOrderAfterChildren(const RenderObject* stayWithin) const;
|
| - RenderObject* previousInPreOrder() const;
|
| - RenderObject* previousInPreOrder(const RenderObject* stayWithin) const;
|
| - RenderObject* childAt(unsigned) const;
|
| -
|
| - RenderObject* lastLeafChild() const;
|
| -
|
| - // The following six functions are used when the render tree hierarchy changes to make sure layers get
|
| - // properly added and removed. Since containership can be implemented by any subclass, and since a hierarchy
|
| - // can contain a mixture of boxes and other object types, these functions need to be in the base class.
|
| - Layer* enclosingLayer() const;
|
| - void addLayers(Layer* parentLayer);
|
| - void removeLayers(Layer* parentLayer);
|
| - void moveLayers(Layer* oldParent, Layer* newParent);
|
| - Layer* findNextLayer(Layer* parentLayer, RenderObject* startPoint, bool checkParent = true);
|
| -
|
| - // Scrolling is a RenderBox concept, however some code just cares about recursively scrolling our enclosing ScrollableArea(s).
|
| - bool scrollRectToVisible(const LayoutRect&, const ScrollAlignment& alignX = ScrollAlignment::alignCenterIfNeeded, const ScrollAlignment& alignY = ScrollAlignment::alignCenterIfNeeded);
|
| -
|
| - // Convenience function for getting to the nearest enclosing box of a RenderObject.
|
| - RenderBox* enclosingBox() const;
|
| - RenderBoxModelObject* enclosingBoxModelObject() const;
|
| -
|
| - RenderBox* enclosingScrollableBox() const;
|
| -
|
| - // Function to return our enclosing flow thread if we are contained inside one. This
|
| - // function follows the containing block chain.
|
| - RenderFlowThread* flowThreadContainingBlock() const
|
| - {
|
| - if (flowThreadState() == NotInsideFlowThread)
|
| - return 0;
|
| - return locateFlowThreadContainingBlock();
|
| - }
|
| -
|
| -#if ENABLE(ASSERT)
|
| - void setHasAXObject(bool flag) { m_hasAXObject = flag; }
|
| - bool hasAXObject() const { return m_hasAXObject; }
|
| -
|
| - // Helper class forbidding calls to setNeedsLayout() during its lifetime.
|
| - class SetLayoutNeededForbiddenScope {
|
| - public:
|
| - explicit SetLayoutNeededForbiddenScope(RenderObject&);
|
| - ~SetLayoutNeededForbiddenScope();
|
| - private:
|
| - RenderObject& m_renderObject;
|
| - bool m_preexistingForbidden;
|
| - };
|
| -
|
| - void assertRendererLaidOut() const
|
| - {
|
| -#ifndef NDEBUG
|
| - if (needsLayout())
|
| - showRenderTreeForThis();
|
| -#endif
|
| - ASSERT_WITH_SECURITY_IMPLICATION(!needsLayout());
|
| - }
|
| -
|
| - void assertSubtreeIsLaidOut() const
|
| - {
|
| - for (const RenderObject* renderer = this; renderer; renderer = renderer->nextInPreOrder())
|
| - renderer->assertRendererLaidOut();
|
| - }
|
| -
|
| - void assertRendererClearedPaintInvalidationState() const
|
| - {
|
| -#ifndef NDEBUG
|
| - if (paintInvalidationStateIsDirty()) {
|
| - showRenderTreeForThis();
|
| - ASSERT_NOT_REACHED();
|
| - }
|
| -#endif
|
| - }
|
| -
|
| - void assertSubtreeClearedPaintInvalidationState() const
|
| - {
|
| - for (const RenderObject* renderer = this; renderer; renderer = renderer->nextInPreOrder())
|
| - renderer->assertRendererClearedPaintInvalidationState();
|
| - }
|
| -
|
| -#endif
|
| -
|
| - // FIXME: This could be used when changing the size of a renderer without children to skip some invalidations.
|
| - bool rendererHasNoBoxEffect() const
|
| - {
|
| - return !style()->hasVisualOverflowingEffect() && !style()->hasBorder() && !style()->hasBackground();
|
| - }
|
| -
|
| - // Obtains the nearest enclosing block (including this block) that contributes a first-line style to our inline
|
| - // children.
|
| - virtual RenderBlock* firstLineBlock() const;
|
| -
|
| - // Called when an object that was floating or positioned becomes a normal flow object
|
| - // again. We have to make sure the render tree updates as needed to accommodate the new
|
| - // normal flow object.
|
| - void handleDynamicFloatPositionChange();
|
| -
|
| - // RenderObject tree manipulation
|
| - //////////////////////////////////////////
|
| - virtual bool canHaveChildren() const { return virtualChildren(); }
|
| - virtual bool canHaveGeneratedChildren() const;
|
| - virtual bool isChildAllowed(RenderObject*, const RenderStyle&) const { return true; }
|
| - virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
|
| - virtual void addChildIgnoringContinuation(RenderObject* newChild, RenderObject* beforeChild = 0) { return addChild(newChild, beforeChild); }
|
| - virtual void removeChild(RenderObject*);
|
| - virtual bool createsAnonymousWrapper() const { return false; }
|
| - //////////////////////////////////////////
|
| -
|
| -protected:
|
| - //////////////////////////////////////////
|
| - // Helper functions. Dangerous to use!
|
| - void setPreviousSibling(RenderObject* previous) { m_previous = previous; }
|
| - void setNextSibling(RenderObject* next) { m_next = next; }
|
| - void setParent(RenderObject* parent)
|
| - {
|
| - m_parent = parent;
|
| -
|
| - // Only update if our flow thread state is different from our new parent and if we're not a RenderFlowThread.
|
| - // A RenderFlowThread is always considered to be inside itself, so it never has to change its state
|
| - // in response to parent changes.
|
| - FlowThreadState newState = parent ? parent->flowThreadState() : NotInsideFlowThread;
|
| - if (newState != flowThreadState() && !isRenderFlowThread())
|
| - setFlowThreadStateIncludingDescendants(newState);
|
| - }
|
| -
|
| - //////////////////////////////////////////
|
| -private:
|
| -#if ENABLE(ASSERT)
|
| - bool isSetNeedsLayoutForbidden() const { return m_setNeedsLayoutForbidden; }
|
| - void setNeedsLayoutIsForbidden(bool flag) { m_setNeedsLayoutForbidden = flag; }
|
| -#endif
|
| -
|
| - void addAbsoluteRectForLayer(LayoutRect& result);
|
| - bool requiresAnonymousTableWrappers(const RenderObject*) const;
|
| -
|
| - // Gets pseudoStyle from Shadow host(in case of input elements)
|
| - // or from Parent element.
|
| - PassRefPtr<RenderStyle> getUncachedPseudoStyleFromParentOrShadowHost() const;
|
| -
|
| - bool skipInvalidationWhenLaidOutChildren() const;
|
| -
|
| -public:
|
| -#ifndef NDEBUG
|
| - void showTreeForThis() const;
|
| - void showRenderTreeForThis() const;
|
| - void showLineTreeForThis() const;
|
| -
|
| - void showRenderObject() const;
|
| - // We don't make printedCharacters an optional parameter so that
|
| - // showRenderObject can be called from gdb easily.
|
| - void showRenderObject(int printedCharacters) const;
|
| - void showRenderTreeAndMark(const RenderObject* markedObject1 = 0, const char* markedLabel1 = 0, const RenderObject* markedObject2 = 0, const char* markedLabel2 = 0, int depth = 0) const;
|
| -#endif
|
| -
|
| - static RenderObject* createObject(Element*, const RenderStyle&);
|
| - static unsigned instanceCount() { return s_instanceCount; }
|
| -
|
| - // RenderObjects are allocated out of the rendering partition.
|
| - void* operator new(size_t);
|
| - void operator delete(void*);
|
| -
|
| -public:
|
| - bool isPseudoElement() const { return node() && node()->isPseudoElement(); }
|
| -
|
| - virtual bool isBoxModelObject() const { return false; }
|
| - bool isBR() const { return isOfType(RenderObjectBr); }
|
| - bool isCanvas() const { return isOfType(RenderObjectCanvas); }
|
| - bool isCounter() const { return isOfType(RenderObjectCounter); }
|
| - bool isDetailsMarker() const { return isOfType(RenderObjectDetailsMarker); }
|
| - bool isEmbeddedObject() const { return isOfType(RenderObjectEmbeddedObject); }
|
| - bool isFieldset() const { return isOfType(RenderObjectFieldset); }
|
| - bool isFileUploadControl() const { return isOfType(RenderObjectFileUploadControl); }
|
| - bool isFrame() const { return isOfType(RenderObjectFrame); }
|
| - bool isFrameSet() const { return isOfType(RenderObjectFrameSet); }
|
| - bool isLayoutTableCol() const { return isOfType(RenderObjectLayoutTableCol); }
|
| - bool isListBox() const { return isOfType(RenderObjectListBox); }
|
| - bool isListItem() const { return isOfType(RenderObjectListItem); }
|
| - bool isListMarker() const { return isOfType(RenderObjectListMarker); }
|
| - bool isMedia() const { return isOfType(RenderObjectMedia); }
|
| - bool isMenuList() const { return isOfType(RenderObjectMenuList); }
|
| - bool isMeter() const { return isOfType(RenderObjectMeter); }
|
| - bool isProgress() const { return isOfType(RenderObjectProgress); }
|
| - bool isQuote() const { return isOfType(RenderObjectQuote); }
|
| - bool isRenderButton() const { return isOfType(RenderObjectRenderButton); }
|
| - bool isRenderFullScreen() const { return isOfType(RenderObjectRenderFullScreen); }
|
| - bool isRenderFullScreenPlaceholder() const { return isOfType(RenderObjectRenderFullScreenPlaceholder); }
|
| - bool isRenderGrid() const { return isOfType(RenderObjectRenderGrid); }
|
| - bool isRenderIFrame() const { return isOfType(RenderObjectRenderIFrame); }
|
| - bool isRenderImage() const { return isOfType(RenderObjectRenderImage); }
|
| - bool isRenderMultiColumnSet() const { return isOfType(RenderObjectRenderMultiColumnSet); }
|
| - bool isRenderMultiColumnSpannerPlaceholder() const { return isOfType(RenderObjectRenderMultiColumnSpannerPlaceholder); }
|
| - bool isRenderRegion() const { return isOfType(RenderObjectRenderRegion); }
|
| - bool isRenderScrollbarPart() const { return isOfType(RenderObjectRenderScrollbarPart); }
|
| - bool isRenderView() const { return isOfType(RenderObjectRenderView); }
|
| - bool isReplica() const { return isOfType(RenderObjectReplica); }
|
| - bool isRuby() const { return isOfType(RenderObjectRuby); }
|
| - bool isRubyBase() const { return isOfType(RenderObjectRubyBase); }
|
| - bool isRubyRun() const { return isOfType(RenderObjectRubyRun); }
|
| - bool isRubyText() const { return isOfType(RenderObjectRubyText); }
|
| - bool isSlider() const { return isOfType(RenderObjectSlider); }
|
| - bool isSliderThumb() const { return isOfType(RenderObjectSliderThumb); }
|
| - bool isTable() const { return isOfType(RenderObjectTable); }
|
| - bool isTableCaption() const { return isOfType(RenderObjectTableCaption); }
|
| - bool isTableCell() const { return isOfType(RenderObjectTableCell); }
|
| - bool isTableRow() const { return isOfType(RenderObjectTableRow); }
|
| - bool isTableSection() const { return isOfType(RenderObjectTableSection); }
|
| - bool isTextArea() const { return isOfType(RenderObjectTextArea); }
|
| - bool isTextControl() const { return isOfType(RenderObjectTextControl); }
|
| - bool isTextField() const { return isOfType(RenderObjectTextField); }
|
| - bool isVideo() const { return isOfType(RenderObjectVideo); }
|
| - bool isWidget() const { return isOfType(RenderObjectWidget); }
|
| -
|
| - virtual bool isImage() const { return false; }
|
| -
|
| - virtual bool isInlineBlockOrInlineTable() const { return false; }
|
| - virtual bool isLayoutLayerModelObject() const { return false; }
|
| - virtual bool isRenderBlock() const { return false; }
|
| - virtual bool isRenderBlockFlow() const { return false; }
|
| - virtual bool isRenderFlowThread() const { return false; }
|
| - virtual bool isRenderInline() const { return false; }
|
| - virtual bool isRenderPart() const { return false; }
|
| -
|
| - bool isDocumentElement() const { return document().documentElement() == m_node; }
|
| - // isBody is called from RenderBox::styleWillChange and is thus quite hot.
|
| - bool isBody() const { return node() && node()->hasTagName(HTMLNames::bodyTag); }
|
| - bool isHR() const;
|
| - bool isLegend() const;
|
| -
|
| - bool isTablePart() const { return isTableCell() || isLayoutTableCol() || isTableCaption() || isTableRow() || isTableSection(); }
|
| -
|
| - inline bool isBeforeContent() const;
|
| - inline bool isAfterContent() const;
|
| - inline bool isBeforeOrAfterContent() const;
|
| - static inline bool isAfterContent(const RenderObject* obj) { return obj && obj->isAfterContent(); }
|
| -
|
| - bool hasCounterNodeMap() const { return m_bitfields.hasCounterNodeMap(); }
|
| - void setHasCounterNodeMap(bool hasCounterNodeMap) { m_bitfields.setHasCounterNodeMap(hasCounterNodeMap); }
|
| - bool everHadLayout() const { return m_bitfields.everHadLayout(); }
|
| -
|
| - bool childrenInline() const { return m_bitfields.childrenInline(); }
|
| - void setChildrenInline(bool b) { m_bitfields.setChildrenInline(b); }
|
| - bool hasColumns() const { return m_bitfields.hasColumns(); }
|
| - void setHasColumns(bool b = true) { m_bitfields.setHasColumns(b); }
|
| -
|
| - bool alwaysCreateLineBoxesForRenderInline() const
|
| - {
|
| - ASSERT(isRenderInline());
|
| - return m_bitfields.alwaysCreateLineBoxesForRenderInline();
|
| - }
|
| - void setAlwaysCreateLineBoxesForRenderInline(bool alwaysCreateLineBoxes)
|
| - {
|
| - ASSERT(isRenderInline());
|
| - m_bitfields.setAlwaysCreateLineBoxesForRenderInline(alwaysCreateLineBoxes);
|
| - }
|
| -
|
| - bool ancestorLineBoxDirty() const { return m_bitfields.ancestorLineBoxDirty(); }
|
| - void setAncestorLineBoxDirty(bool value = true)
|
| - {
|
| - m_bitfields.setAncestorLineBoxDirty(value);
|
| - if (value)
|
| - setNeedsLayoutAndFullPaintInvalidation();
|
| - }
|
| -
|
| - enum FlowThreadState {
|
| - NotInsideFlowThread = 0,
|
| - InsideOutOfFlowThread = 1,
|
| - InsideInFlowThread = 2,
|
| - };
|
| -
|
| - void setFlowThreadStateIncludingDescendants(FlowThreadState);
|
| -
|
| - FlowThreadState flowThreadState() const { return m_bitfields.flowThreadState(); }
|
| - void setFlowThreadState(FlowThreadState state) { m_bitfields.setFlowThreadState(state); }
|
| -
|
| - // FIXME: Until all SVG renders can be subclasses of RenderSVGModelObject we have
|
| - // to add SVG renderer methods to RenderObject with an ASSERT_NOT_REACHED() default implementation.
|
| - bool isSVG() const { return isOfType(RenderObjectSVG); }
|
| - bool isSVGRoot() const { return isOfType(RenderObjectSVGRoot); }
|
| - bool isSVGContainer() const { return isOfType(RenderObjectSVGContainer); }
|
| - bool isSVGTransformableContainer() const { return isOfType(RenderObjectSVGTransformableContainer); }
|
| - bool isSVGViewportContainer() const { return isOfType(RenderObjectSVGViewportContainer); }
|
| - bool isSVGGradientStop() const { return isOfType(RenderObjectSVGGradientStop); }
|
| - bool isSVGHiddenContainer() const { return isOfType(RenderObjectSVGHiddenContainer); }
|
| - bool isSVGShape() const { return isOfType(RenderObjectSVGShape); }
|
| - bool isSVGText() const { return isOfType(RenderObjectSVGText); }
|
| - bool isSVGTextPath() const { return isOfType(RenderObjectSVGTextPath); }
|
| - bool isSVGInline() const { return isOfType(RenderObjectSVGInline); }
|
| - bool isSVGInlineText() const { return isOfType(RenderObjectSVGInlineText); }
|
| - bool isSVGImage() const { return isOfType(RenderObjectSVGImage); }
|
| - bool isSVGForeignObject() const { return isOfType(RenderObjectSVGForeignObject); }
|
| - bool isSVGResourceContainer() const { return isOfType(RenderObjectSVGResourceContainer); }
|
| - bool isSVGResourceFilter() const { return isOfType(RenderObjectSVGResourceFilter); }
|
| - bool isSVGResourceFilterPrimitive() const { return isOfType(RenderObjectSVGResourceFilterPrimitive); }
|
| -
|
| - // FIXME: Those belong into a SVG specific base-class for all renderers (see above)
|
| - // Unfortunately we don't have such a class yet, because it's not possible for all renderers
|
| - // to inherit from RenderSVGObject -> RenderObject (some need RenderBlock inheritance for instance)
|
| - virtual void setNeedsTransformUpdate() { }
|
| - virtual void setNeedsBoundariesUpdate();
|
| -
|
| - bool isBlendingAllowed() const { return !isSVG() || (isSVGContainer() && !isSVGHiddenContainer()) || isSVGShape() || isSVGImage() || isSVGText(); }
|
| - virtual bool hasNonIsolatedBlendingDescendants() const { return false; }
|
| - enum DescendantIsolationState {
|
| - DescendantIsolationRequired,
|
| - DescendantIsolationNeedsUpdate,
|
| - };
|
| - virtual void descendantIsolationRequirementsChanged(DescendantIsolationState) { }
|
| -
|
| - // Per SVG 1.1 objectBoundingBox ignores clipping, masking, filter effects, opacity and stroke-width.
|
| - // This is used for all computation of objectBoundingBox relative units and by SVGLocatable::getBBox().
|
| - // NOTE: Markers are not specifically ignored here by SVG 1.1 spec, but we ignore them
|
| - // since stroke-width is ignored (and marker size can depend on stroke-width).
|
| - // objectBoundingBox is returned local coordinates.
|
| - // The name objectBoundingBox is taken from the SVG 1.1 spec.
|
| - virtual FloatRect objectBoundingBox() const;
|
| - virtual FloatRect strokeBoundingBox() const;
|
| -
|
| - // Returns the smallest rectangle enclosing all of the painted content
|
| - // respecting clipping, masking, filters, opacity, stroke-width and markers
|
| - virtual FloatRect paintInvalidationRectInLocalCoordinates() const;
|
| -
|
| - // This only returns the transform="" value from the element
|
| - // most callsites want localToParentTransform() instead.
|
| - virtual AffineTransform localTransform() const;
|
| -
|
| - // Returns the full transform mapping from local coordinates to local coords for the parent SVG renderer
|
| - // This includes any viewport transforms and x/y offsets as well as the transform="" value off the element.
|
| - virtual const AffineTransform& localToParentTransform() const;
|
| -
|
| - // SVG uses FloatPoint precise hit testing, and passes the point in parent
|
| - // coordinates instead of in paint invalidaiton container coordinates. Eventually the
|
| - // rest of the rendering tree will move to a similar model.
|
| - virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
|
| -
|
| - bool isAnonymous() const { return m_bitfields.isAnonymous(); }
|
| - bool isAnonymousBlock() const
|
| - {
|
| - // This function is kept in sync with anonymous block creation conditions in
|
| - // RenderBlock::createAnonymousBlock(). This includes creating an anonymous
|
| - // RenderBlock having a BLOCK or BOX display. Other classes such as RenderTextFragment
|
| - // are not RenderBlocks and will return false. See https://bugs.webkit.org/show_bug.cgi?id=56709.
|
| - return isAnonymous() && (style()->display() == BLOCK || style()->display() == BOX) && style()->styleType() == NOPSEUDO && isRenderBlock() && !isListMarker() && !isRenderFlowThread() && !isRenderMultiColumnSet()
|
| - && !isRenderFullScreen()
|
| - && !isRenderFullScreenPlaceholder();
|
| - }
|
| - bool isAnonymousColumnsBlock() const { return style()->specifiesColumns() && isAnonymousBlock(); }
|
| - bool isAnonymousColumnSpanBlock() const { return style()->columnSpan() && isAnonymousBlock(); }
|
| - bool isElementContinuation() const { return node() && node()->renderer() != this; }
|
| - bool isInlineElementContinuation() const { return isElementContinuation() && isInline(); }
|
| - virtual RenderBoxModelObject* virtualContinuation() const { return 0; }
|
| -
|
| - bool isFloating() const { return m_bitfields.floating(); }
|
| -
|
| - bool isOutOfFlowPositioned() const { return m_bitfields.isOutOfFlowPositioned(); } // absolute or fixed positioning
|
| - bool isRelPositioned() const { return m_bitfields.isRelPositioned(); } // relative positioning
|
| - bool isPositioned() const { return m_bitfields.isPositioned(); }
|
| -
|
| - bool isText() const { return m_bitfields.isText(); }
|
| - bool isBox() const { return m_bitfields.isBox(); }
|
| - bool isInline() const { return m_bitfields.isInline(); } // inline object
|
| - bool isDragging() const { return m_bitfields.isDragging(); }
|
| - bool isReplaced() const { return m_bitfields.isReplaced(); } // a "replaced" element (see CSS)
|
| - bool isHorizontalWritingMode() const { return m_bitfields.horizontalWritingMode(); }
|
| - bool hasFlippedBlocksWritingMode() const
|
| - {
|
| - return style()->isFlippedBlocksWritingMode();
|
| - }
|
| -
|
| - bool hasLayer() const { return m_bitfields.hasLayer(); }
|
| -
|
| - // "Box decoration background" includes all box decorations and backgrounds
|
| - // that are painted as the background of the object. It includes borders,
|
| - // box-shadows, background-color and background-image, etc.
|
| - enum BoxDecorationBackgroundState {
|
| - NoBoxDecorationBackground,
|
| - HasBoxDecorationBackgroundObscurationStatusInvalid,
|
| - HasBoxDecorationBackgroundKnownToBeObscured,
|
| - HasBoxDecorationBackgroundMayBeVisible,
|
| - };
|
| - bool hasBoxDecorationBackground() const { return m_bitfields.boxDecorationBackgroundState() != NoBoxDecorationBackground; }
|
| - bool boxDecorationBackgroundIsKnownToBeObscured();
|
| - bool canRenderBorderImage() const;
|
| - bool mustInvalidateBackgroundOrBorderPaintOnWidthChange() const;
|
| - bool mustInvalidateBackgroundOrBorderPaintOnHeightChange() const;
|
| - bool mustInvalidateFillLayersPaintOnWidthChange(const FillLayer&) const;
|
| - bool mustInvalidateFillLayersPaintOnHeightChange(const FillLayer&) const;
|
| - bool hasBackground() const { return style()->hasBackground(); }
|
| - bool hasEntirelyFixedBackground() const;
|
| -
|
| - bool needsLayoutBecauseOfChildren() const { return needsLayout() && !selfNeedsLayout() && !needsPositionedMovementLayout() && !needsSimplifiedNormalFlowLayout(); }
|
| -
|
| - bool needsLayout() const
|
| - {
|
| - return m_bitfields.selfNeedsLayout() || m_bitfields.normalChildNeedsLayout() || m_bitfields.posChildNeedsLayout()
|
| - || m_bitfields.needsSimplifiedNormalFlowLayout() || m_bitfields.needsPositionedMovementLayout();
|
| - }
|
| -
|
| - bool selfNeedsLayout() const { return m_bitfields.selfNeedsLayout(); }
|
| - bool needsPositionedMovementLayout() const { return m_bitfields.needsPositionedMovementLayout(); }
|
| - bool needsPositionedMovementLayoutOnly() const
|
| - {
|
| - return m_bitfields.needsPositionedMovementLayout() && !m_bitfields.selfNeedsLayout() && !m_bitfields.normalChildNeedsLayout()
|
| - && !m_bitfields.posChildNeedsLayout() && !m_bitfields.needsSimplifiedNormalFlowLayout();
|
| - }
|
| -
|
| - bool posChildNeedsLayout() const { return m_bitfields.posChildNeedsLayout(); }
|
| - bool needsSimplifiedNormalFlowLayout() const { return m_bitfields.needsSimplifiedNormalFlowLayout(); }
|
| - bool normalChildNeedsLayout() const { return m_bitfields.normalChildNeedsLayout(); }
|
| -
|
| - bool preferredLogicalWidthsDirty() const { return m_bitfields.preferredLogicalWidthsDirty(); }
|
| -
|
| - bool needsOverflowRecalcAfterStyleChange() const { return m_bitfields.selfNeedsOverflowRecalcAfterStyleChange() || m_bitfields.childNeedsOverflowRecalcAfterStyleChange(); }
|
| - bool selfNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.selfNeedsOverflowRecalcAfterStyleChange(); }
|
| - bool childNeedsOverflowRecalcAfterStyleChange() const { return m_bitfields.childNeedsOverflowRecalcAfterStyleChange(); }
|
| -
|
| - bool isSelectionBorder() const;
|
| -
|
| - bool hasClip() const { return isOutOfFlowPositioned() && !style()->hasAutoClip(); }
|
| - bool hasOverflowClip() const { return m_bitfields.hasOverflowClip(); }
|
| - bool hasClipOrOverflowClip() const { return hasClip() || hasOverflowClip(); }
|
| -
|
| - bool hasTransformRelatedProperty() const { return m_bitfields.hasTransformRelatedProperty(); }
|
| - bool hasMask() const { return style() && style()->hasMask(); }
|
| - bool hasClipPath() const { return style() && style()->clipPath(); }
|
| - bool hasHiddenBackface() const { return style() && style()->backfaceVisibility() == BackfaceVisibilityHidden; }
|
| -
|
| - bool hasFilter() const { return style() && style()->hasFilter(); }
|
| -
|
| - bool hasShapeOutside() const { return style() && style()->shapeOutside(); }
|
| -
|
| - inline bool preservesNewline() const;
|
| -
|
| - // The pseudo element style can be cached or uncached. Use the cached method if the pseudo element doesn't respect
|
| - // any pseudo classes (and therefore has no concept of changing state).
|
| - RenderStyle* getCachedPseudoStyle(PseudoId, RenderStyle* parentStyle = 0) const;
|
| - PassRefPtr<RenderStyle> getUncachedPseudoStyle(const PseudoStyleRequest&, RenderStyle* parentStyle = 0, RenderStyle* ownStyle = 0) const;
|
| -
|
| - virtual void updateDragState(bool dragOn);
|
| -
|
| - RenderView* view() const { return document().renderView(); };
|
| - FrameView* frameView() const { return document().view(); };
|
| -
|
| - bool isRooted() const;
|
| -
|
| - Node* node() const
|
| - {
|
| - return isAnonymous() ? 0 : m_node;
|
| - }
|
| -
|
| - Node* nonPseudoNode() const
|
| - {
|
| - return isPseudoElement() ? 0 : node();
|
| - }
|
| -
|
| - // FIXME: Why does RenderPart need this? crbug.com/422457
|
| - void clearNode() { m_node = nullptr; }
|
| -
|
| - // Returns the styled node that caused the generation of this renderer.
|
| - // This is the same as node() except for renderers of :before, :after and
|
| - // :first-letter pseudo elements for which their parent node is returned.
|
| - Node* generatingNode() const { return isPseudoElement() ? node()->parentOrShadowHostNode() : node(); }
|
| -
|
| - Document& document() const { return m_node->document(); }
|
| - LocalFrame* frame() const { return document().frame(); }
|
| -
|
| - virtual RenderMultiColumnSpannerPlaceholder* spannerPlaceholder() const { return 0; }
|
| - bool isColumnSpanAll() const { return style()->columnSpan() == ColumnSpanAll && spannerPlaceholder(); }
|
| -
|
| - // Returns the object containing this one. Can be different from parent for positioned elements.
|
| - // If paintInvalidationContainer and paintInvalidationContainerSkipped are not null, on return *paintInvalidationContainerSkipped
|
| - // is true if the renderer returned is an ancestor of paintInvalidationContainer.
|
| - RenderObject* container(const LayoutLayerModelObject* paintInvalidationContainer = 0, bool* paintInvalidationContainerSkipped = 0) const;
|
| - RenderBlock* containerForFixedPosition(const LayoutLayerModelObject* paintInvalidationContainer = 0, bool* paintInvalidationContainerSkipped = 0) const;
|
| -
|
| - virtual RenderObject* hoverAncestor() const { return parent(); }
|
| -
|
| - Element* offsetParent() const;
|
| -
|
| - void markContainingBlocksForLayout(bool scheduleRelayout = true, RenderObject* newRoot = 0, SubtreeLayoutScope* = 0);
|
| - void setNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0);
|
| - void setNeedsLayoutAndFullPaintInvalidation(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0);
|
| - void clearNeedsLayout();
|
| - void setChildNeedsLayout(MarkingBehavior = MarkContainingBlockChain, SubtreeLayoutScope* = 0);
|
| - void setNeedsPositionedMovementLayout();
|
| - void setPreferredLogicalWidthsDirty(MarkingBehavior = MarkContainingBlockChain);
|
| - void clearPreferredLogicalWidthsDirty();
|
| - void invalidateContainerPreferredLogicalWidths();
|
| -
|
| - void setNeedsLayoutAndPrefWidthsRecalc()
|
| - {
|
| - setNeedsLayout();
|
| - setPreferredLogicalWidthsDirty();
|
| - }
|
| - void setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation()
|
| - {
|
| - setNeedsLayoutAndFullPaintInvalidation();
|
| - setPreferredLogicalWidthsDirty();
|
| - }
|
| -
|
| - void setPositionState(EPosition position)
|
| - {
|
| - ASSERT((position != AbsolutePosition && position != FixedPosition) || isBox());
|
| - m_bitfields.setPositionedState(position);
|
| - }
|
| - void clearPositionedState() { m_bitfields.clearPositionedState(); }
|
| -
|
| - void setFloating(bool isFloating) { m_bitfields.setFloating(isFloating); }
|
| - void setInline(bool isInline) { m_bitfields.setIsInline(isInline); }
|
| -
|
| - void setHasBoxDecorationBackground(bool);
|
| - void invalidateBackgroundObscurationStatus();
|
| - virtual bool computeBackgroundIsKnownToBeObscured() { return false; }
|
| -
|
| - void setIsText() { m_bitfields.setIsText(true); }
|
| - void setIsBox() { m_bitfields.setIsBox(true); }
|
| - void setReplaced(bool isReplaced) { m_bitfields.setIsReplaced(isReplaced); }
|
| - void setHorizontalWritingMode(bool hasHorizontalWritingMode) { m_bitfields.setHorizontalWritingMode(hasHorizontalWritingMode); }
|
| - void setHasOverflowClip(bool hasOverflowClip) { m_bitfields.setHasOverflowClip(hasOverflowClip); }
|
| - void setHasLayer(bool hasLayer) { m_bitfields.setHasLayer(hasLayer); }
|
| - void setHasTransformRelatedProperty(bool hasTransform) { m_bitfields.setHasTransformRelatedProperty(hasTransform); }
|
| - void setHasReflection(bool hasReflection) { m_bitfields.setHasReflection(hasReflection); }
|
| -
|
| - void scheduleRelayout();
|
| -
|
| - void updateFillImages(const FillLayer* oldLayers, const FillLayer& newLayers);
|
| - void updateImage(StyleImage*, StyleImage*);
|
| - void updateShapeImage(const ShapeValue*, const ShapeValue*);
|
| -
|
| - // paintOffset is the offset from the origin of the GraphicsContext at which to paint the current object.
|
| - virtual void paint(const PaintInfo&, const LayoutPoint& paintOffset);
|
| -
|
| - // Subclasses must reimplement this method to compute the size and position
|
| - // of this object and all its descendants.
|
| - virtual void layout() = 0;
|
| - virtual bool updateImageLoadingPriorities() { return false; }
|
| - void setHasPendingResourceUpdate(bool hasPendingResourceUpdate) { m_bitfields.setHasPendingResourceUpdate(hasPendingResourceUpdate); }
|
| - bool hasPendingResourceUpdate() const { return m_bitfields.hasPendingResourceUpdate(); }
|
| -
|
| - /* This function performs a layout only if one is needed. */
|
| - void layoutIfNeeded() { if (needsLayout()) layout(); }
|
| -
|
| - void forceLayout();
|
| - void forceChildLayout();
|
| -
|
| - // Used for element state updates that cannot be fixed with a
|
| - // paint invalidation and do not need a relayout.
|
| - virtual void updateFromElement() { }
|
| -
|
| - virtual void addAnnotatedRegions(Vector<AnnotatedRegionValue>&);
|
| - void collectAnnotatedRegions(Vector<AnnotatedRegionValue>&);
|
| -
|
| - CompositingState compositingState() const;
|
| - virtual CompositingReasons additionalCompositingReasons() const;
|
| -
|
| - bool hitTest(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestFilter = HitTestAll);
|
| - virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&);
|
| - virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
|
| -
|
| - virtual PositionWithAffinity positionForPoint(const LayoutPoint&);
|
| - PositionWithAffinity createPositionWithAffinity(int offset, EAffinity);
|
| - PositionWithAffinity createPositionWithAffinity(const Position&);
|
| -
|
| - virtual void dirtyLinesFromChangedChild(RenderObject*);
|
| -
|
| - // Set the style of the object and update the state of the object accordingly.
|
| - void setStyle(PassRefPtr<RenderStyle>);
|
| -
|
| - // Set the style of the object if it's generated content.
|
| - void setPseudoStyle(PassRefPtr<RenderStyle>);
|
| -
|
| - // Updates only the local style ptr of the object. Does not update the state of the object,
|
| - // and so only should be called when the style is known not to have changed (or from setStyle).
|
| - void setStyleInternal(PassRefPtr<RenderStyle> style) { m_style = style; }
|
| -
|
| - // returns the containing block level element for this element.
|
| - RenderBlock* containingBlock() const;
|
| -
|
| - bool canContainFixedPositionObjects() const
|
| - {
|
| - return isRenderView() || (hasTransformRelatedProperty() && isRenderBlock()) || isSVGForeignObject();
|
| - }
|
| -
|
| - // Convert the given local point to absolute coordinates
|
| - // FIXME: Temporary. If UseTransforms is true, take transforms into account. Eventually localToAbsolute() will always be transform-aware.
|
| - FloatPoint localToAbsolute(const FloatPoint& localPoint = FloatPoint(), MapCoordinatesFlags = 0) const;
|
| - FloatPoint absoluteToLocal(const FloatPoint&, MapCoordinatesFlags = 0) const;
|
| -
|
| - // Convert a local quad to absolute coordinates, taking transforms into account.
|
| - FloatQuad localToAbsoluteQuad(const FloatQuad& quad, MapCoordinatesFlags mode = 0, bool* wasFixed = 0) const
|
| - {
|
| - return localToContainerQuad(quad, 0, mode, wasFixed);
|
| - }
|
| - // Convert an absolute quad to local coordinates.
|
| - FloatQuad absoluteToLocalQuad(const FloatQuad&, MapCoordinatesFlags mode = 0) const;
|
| -
|
| - // Convert a local quad into the coordinate system of container, taking transforms into account.
|
| - FloatQuad localToContainerQuad(const FloatQuad&, const LayoutLayerModelObject* paintInvalidatinoContainer, MapCoordinatesFlags = 0, bool* wasFixed = 0) const;
|
| - FloatPoint localToContainerPoint(const FloatPoint&, const LayoutLayerModelObject* paintInvalidationContainer, MapCoordinatesFlags = 0, bool* wasFixed = 0, const PaintInvalidationState* = 0) const;
|
| -
|
| - // Convert a local point into the coordinate system of backing coordinates. Also returns the backing layer if needed.
|
| - FloatPoint localToInvalidationBackingPoint(const LayoutPoint&, Layer** backingLayer = nullptr);
|
| -
|
| - // Return the offset from the container() renderer (excluding transforms). In multi-column layout,
|
| - // different offsets apply at different points, so return the offset that applies to the given point.
|
| - virtual LayoutSize offsetFromContainer(const RenderObject*, const LayoutPoint&, bool* offsetDependsOnPoint = 0) const;
|
| - // Return the offset from an object up the container() chain. Asserts that none of the intermediate objects have transforms.
|
| - LayoutSize offsetFromAncestorContainer(const RenderObject*) const;
|
| -
|
| - virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint&) const { }
|
| -
|
| - IntRect absoluteBoundingBoxRect() const;
|
| - // FIXME: This function should go away eventually
|
| - IntRect absoluteBoundingBoxRectIgnoringTransforms() const;
|
| -
|
| - // Build an array of quads in absolute coords for line boxes
|
| - virtual void absoluteQuads(Vector<FloatQuad>&, bool* /*wasFixed*/ = 0) const { }
|
| -
|
| - virtual IntRect absoluteFocusRingBoundingBoxRect() const;
|
| -
|
| - static FloatRect absoluteBoundingBoxRectForRange(const Range*);
|
| -
|
| - // the rect that will be painted if this object is passed as the paintingRoot
|
| - LayoutRect paintingRootRect(LayoutRect& topLevelRect);
|
| -
|
| - virtual LayoutUnit minPreferredLogicalWidth() const { return 0; }
|
| - virtual LayoutUnit maxPreferredLogicalWidth() const { return 0; }
|
| -
|
| - RenderStyle* style() const { return m_style.get(); }
|
| -
|
| - // m_style can only be nullptr before the first style is set, thus most
|
| - // callers will never see a nullptr style and should use styleRef().
|
| - // FIXME: It would be better if style() returned a const reference.
|
| - const RenderStyle& styleRef() const { return mutableStyleRef(); }
|
| - RenderStyle& mutableStyleRef() const { ASSERT(m_style); return *m_style; }
|
| -
|
| - /* The following methods are inlined in RenderObjectInlines.h */
|
| - RenderStyle* firstLineStyle() const;
|
| - RenderStyle* style(bool firstLine) const;
|
| - const RenderStyle& styleRef(bool firstLine) const;
|
| -
|
| - static inline Color resolveColor(const RenderStyle& styleToUse, int colorProperty)
|
| - {
|
| - return styleToUse.visitedDependentColor(colorProperty);
|
| - }
|
| -
|
| - inline Color resolveColor(int colorProperty) const
|
| - {
|
| - return style()->visitedDependentColor(colorProperty);
|
| - }
|
| -
|
| - // Used only by Element::pseudoStyleCacheIsInvalid to get a first line style based off of a
|
| - // given new style, without accessing the cache.
|
| - PassRefPtr<RenderStyle> uncachedFirstLineStyle(RenderStyle*) const;
|
| -
|
| - virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const;
|
| -
|
| - struct AppliedTextDecoration {
|
| - Color color;
|
| - TextDecorationStyle style;
|
| - AppliedTextDecoration() : color(Color::transparent), style(TextDecorationStyleSolid) { }
|
| - };
|
| -
|
| - void getTextDecorations(unsigned decorations, AppliedTextDecoration& underline, AppliedTextDecoration& overline, AppliedTextDecoration& linethrough, bool quirksMode = false, bool firstlineStyle = false);
|
| -
|
| - // Return the LayoutLayerModelObject in the container chain which is responsible for painting this object, or 0
|
| - // if painting is root-relative. This is the container that should be passed to the 'forPaintInvalidation'
|
| - // methods.
|
| - const LayoutLayerModelObject* containerForPaintInvalidation() const;
|
| - const LayoutLayerModelObject* adjustCompositedContainerForSpecialAncestors(const LayoutLayerModelObject* paintInvalidationContainer) const;
|
| - bool isPaintInvalidationContainer() const;
|
| -
|
| - LayoutRect computePaintInvalidationRect()
|
| - {
|
| - return computePaintInvalidationRect(containerForPaintInvalidation());
|
| - }
|
| -
|
| - // Returns the paint invalidation rect for this RenderObject in the coordinate space of the paint backing (typically a GraphicsLayer) for |paintInvalidationContainer|.
|
| - LayoutRect computePaintInvalidationRect(const LayoutLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const;
|
| -
|
| - // Returns the rect bounds needed to invalidate the paint of this object, in the coordinate space of the rendering backing of |paintInvalidationContainer|
|
| - LayoutRect boundsRectForPaintInvalidation(const LayoutLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const;
|
| -
|
| - // Actually do the paint invalidate of rect r for this object which has been computed in the coordinate space
|
| - // of the GraphicsLayer backing of |paintInvalidationContainer|. Note that this coordinaten space is not the same
|
| - // as the local coordinate space of |paintInvalidationContainer| in the presence of layer squashing.
|
| - // If |paintInvalidationContainer| is 0, invalidate paints via the view.
|
| - // FIXME: |paintInvalidationContainer| should never be 0. See crbug.com/363699.
|
| - void invalidatePaintUsingContainer(const LayoutLayerModelObject* paintInvalidationContainer, const LayoutRect&, PaintInvalidationReason) const;
|
| -
|
| - // Invalidate the paint of a specific subrectangle within a given object. The rect |r| is in the object's coordinate space.
|
| - void invalidatePaintRectangle(const LayoutRect&) const;
|
| -
|
| - void invalidateSelectionIfNeeded(const LayoutLayerModelObject&, PaintInvalidationReason);
|
| -
|
| - // Walk the tree after layout issuing paint invalidations for renderers that have changed or moved, updating bounds that have changed, and clearing paint invalidation state.
|
| - virtual void invalidateTreeIfNeeded(const PaintInvalidationState&);
|
| -
|
| - virtual void invalidatePaintForOverflow();
|
| - void invalidatePaintForOverflowIfNeeded();
|
| -
|
| - void invalidatePaintIncludingNonCompositingDescendants();
|
| -
|
| - // Returns the rect that should have paint invalidated whenever this object changes. The rect is in the view's
|
| - // coordinate space. This method deals with outlines and overflow.
|
| - virtual LayoutRect absoluteClippedOverflowRect() const;
|
| - virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const;
|
| - virtual LayoutRect rectWithOutlineForPaintInvalidation(const LayoutLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* = 0) const;
|
| -
|
| - // Given a rect in the object's coordinate space, compute a rect suitable for invalidating paints of
|
| - // that rect in the coordinate space of paintInvalidationContainer.
|
| - virtual void mapRectToPaintInvalidationBacking(const LayoutLayerModelObject* paintInvalidationContainer, LayoutRect&, const PaintInvalidationState*) const;
|
| -
|
| - // Return the offset to the column in which the specified point (in flow-thread coordinates)
|
| - // lives. This is used to convert a flow-thread point to a visual point.
|
| - virtual LayoutSize columnOffset(const LayoutPoint&) const { return LayoutSize(); }
|
| -
|
| - virtual unsigned length() const { return 1; }
|
| -
|
| - bool isFloatingOrOutOfFlowPositioned() const { return (isFloating() || isOutOfFlowPositioned()); }
|
| -
|
| - bool isTransparent() const { return style()->hasOpacity(); }
|
| - float opacity() const { return style()->opacity(); }
|
| -
|
| - bool hasReflection() const { return m_bitfields.hasReflection(); }
|
| -
|
| - enum SelectionState {
|
| - SelectionNone, // The object is not selected.
|
| - SelectionStart, // The object either contains the start of a selection run or is the start of a run
|
| - SelectionInside, // The object is fully encompassed by a selection run
|
| - SelectionEnd, // The object either contains the end of a selection run or is the end of a run
|
| - SelectionBoth // The object contains an entire run or is the sole selected object in that run
|
| - };
|
| -
|
| - // The current selection state for an object. For blocks, the state refers to the state of the leaf
|
| - // descendants (as described above in the SelectionState enum declaration).
|
| - SelectionState selectionState() const { return m_bitfields.selectionState(); }
|
| - virtual void setSelectionState(SelectionState state) { m_bitfields.setSelectionState(state); }
|
| - inline void setSelectionStateIfNeeded(SelectionState);
|
| - bool canUpdateSelectionOnRootLineBoxes() const;
|
| -
|
| - // A single rectangle that encompasses all of the selected objects within this object. Used to determine the tightest
|
| - // possible bounding box for the selection. The rect returned is in the coordinate space of the paint invalidation container's backing.
|
| - virtual LayoutRect selectionRectForPaintInvalidation(const LayoutLayerModelObject* /*paintInvalidationContainer*/) const { return LayoutRect(); }
|
| -
|
| - virtual bool canBeSelectionLeaf() const { return false; }
|
| - bool hasSelectedChildren() const { return selectionState() != SelectionNone; }
|
| -
|
| - bool isSelectable() const;
|
| - // Obtains the selection colors that should be used when painting a selection.
|
| - Color selectionBackgroundColor() const;
|
| - Color selectionForegroundColor() const;
|
| - Color selectionEmphasisMarkColor() const;
|
| -
|
| - // Whether or not a given block needs to paint selection gaps.
|
| - virtual bool shouldPaintSelectionGaps() const { return false; }
|
| -
|
| - /**
|
| - * Returns the local coordinates of the caret within this render object.
|
| - * @param caretOffset zero-based offset determining position within the render object.
|
| - * @param extraWidthToEndOfLine optional out arg to give extra width to end of line -
|
| - * useful for character range rect computations
|
| - */
|
| - virtual LayoutRect localCaretRect(InlineBox*, int caretOffset, LayoutUnit* extraWidthToEndOfLine = 0);
|
| -
|
| - // When performing a global document tear-down, the renderer of the document is cleared. We use this
|
| - // as a hook to detect the case of document destruction and don't waste time doing unnecessary work.
|
| - bool documentBeingDestroyed() const;
|
| -
|
| - void destroyAndCleanupAnonymousWrappers();
|
| - virtual void destroy();
|
| -
|
| - // Virtual function helpers for the deprecated Flexible Box Layout (display: -webkit-box).
|
| - virtual bool isDeprecatedFlexibleBox() const { return false; }
|
| -
|
| - // Virtual function helper for the new FlexibleBox Layout (display: -webkit-flex).
|
| - virtual bool isFlexibleBox() const { return false; }
|
| -
|
| - bool isFlexibleBoxIncludingDeprecated() const
|
| - {
|
| - return isFlexibleBox() || isDeprecatedFlexibleBox();
|
| - }
|
| -
|
| - virtual bool isCombineText() const { return false; }
|
| -
|
| - virtual int caretMinOffset() const;
|
| - virtual int caretMaxOffset() const;
|
| -
|
| - virtual int previousOffset(int current) const;
|
| - virtual int previousOffsetForBackwardDeletion(int current) const;
|
| - virtual int nextOffset(int current) const;
|
| -
|
| - virtual void imageChanged(ImageResource*, const IntRect* = 0) override final;
|
| - virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) { }
|
| - virtual bool willRenderImage(ImageResource*) override final;
|
| - virtual bool getImageAnimationPolicy(ImageResource*, ImageAnimationPolicy&) override final;
|
| -
|
| - void selectionStartEnd(int& spos, int& epos) const;
|
| -
|
| - void remove() { if (parent()) parent()->removeChild(this); }
|
| -
|
| - bool isInert() const;
|
| -
|
| - bool supportsTouchAction() const;
|
| -
|
| - bool visibleToHitTestRequest(const HitTestRequest& request) const { return style()->visibility() == VISIBLE && (request.ignorePointerEventsNone() || style()->pointerEvents() != PE_NONE) && !isInert(); }
|
| -
|
| - bool visibleToHitTesting() const { return style()->visibility() == VISIBLE && style()->pointerEvents() != PE_NONE && !isInert(); }
|
| -
|
| - // Map points and quads through elements, potentially via 3d transforms. You should never need to call these directly; use
|
| - // localToAbsolute/absoluteToLocal methods instead.
|
| - virtual void mapLocalToContainer(const LayoutLayerModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0, const PaintInvalidationState* = 0) const;
|
| - virtual void mapAbsoluteToLocalPoint(MapCoordinatesFlags, TransformState&) const;
|
| -
|
| - // Pushes state onto RenderGeometryMap about how to map coordinates from this renderer to its container, or ancestorToStopAt (whichever is encountered first).
|
| - // Returns the renderer which was mapped to (container or ancestorToStopAt).
|
| - virtual const RenderObject* pushMappingToContainer(const LayoutLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const;
|
| -
|
| - bool shouldUseTransformFromContainer(const RenderObject* container) const;
|
| - void getTransformFromContainer(const RenderObject* container, const LayoutSize& offsetInContainer, TransformationMatrix&) const;
|
| -
|
| - bool createsGroup() const { return isTransparent() || hasMask() || hasFilter() || style()->hasBlendMode(); }
|
| -
|
| - virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset) const { }
|
| -
|
| - // Compute a list of hit-test rectangles per layer rooted at this renderer.
|
| - virtual void computeLayerHitTestRects(LayerHitTestRects&) const;
|
| -
|
| - // Return the renderer whose background style is used to paint the root background. Should only be called on the renderer for which isDocumentElement() is true.
|
| - RenderObject* rendererForRootBackground();
|
| -
|
| - RespectImageOrientationEnum shouldRespectImageOrientation() const;
|
| -
|
| - bool isRelayoutBoundaryForInspector() const;
|
| -
|
| - // The previous paint invalidation rect in the object's previous paint backing.
|
| - const LayoutRect& previousPaintInvalidationRect() const { return m_previousPaintInvalidationRect; }
|
| - void setPreviousPaintInvalidationRect(const LayoutRect& rect) { m_previousPaintInvalidationRect = rect; }
|
| -
|
| - // The previous position of the top-left corner of the object in its previous paint backing.
|
| - const LayoutPoint& previousPositionFromPaintInvalidationBacking() const { return m_previousPositionFromPaintInvalidationBacking; }
|
| - void setPreviousPositionFromPaintInvalidationBacking(const LayoutPoint& positionFromPaintInvalidationBacking) { m_previousPositionFromPaintInvalidationBacking = positionFromPaintInvalidationBacking; }
|
| -
|
| - bool shouldDoFullPaintInvalidation() const { return m_bitfields.fullPaintInvalidationReason() != PaintInvalidationNone; }
|
| - void setShouldDoFullPaintInvalidation(PaintInvalidationReason = PaintInvalidationFull);
|
| - void clearShouldDoFullPaintInvalidation() { m_bitfields.setFullPaintInvalidationReason(PaintInvalidationNone); }
|
| -
|
| - bool shouldInvalidateOverflowForPaint() const { return m_bitfields.shouldInvalidateOverflowForPaint(); }
|
| -
|
| - virtual void clearPaintInvalidationState(const PaintInvalidationState&);
|
| -
|
| - // Indicates whether this render object was re-laid-out since the last frame.
|
| - // The flag will be cleared during invalidateTreeIfNeeded.
|
| - bool layoutDidGetCalledSinceLastFrame() const { return m_bitfields.layoutDidGetCalledSinceLastFrame(); }
|
| -
|
| - bool mayNeedPaintInvalidation() const { return m_bitfields.mayNeedPaintInvalidation(); }
|
| - void setMayNeedPaintInvalidation();
|
| - void clearMayNeedPaintInvalidation();
|
| -
|
| - bool shouldInvalidateSelection() const { return m_bitfields.shouldInvalidateSelection(); }
|
| - void setShouldInvalidateSelection()
|
| - {
|
| - if (!canUpdateSelectionOnRootLineBoxes())
|
| - return;
|
| -
|
| - m_bitfields.setShouldInvalidateSelection(true);
|
| - markContainingBlockChainForPaintInvalidation();
|
| - }
|
| - void clearShouldInvalidateSelection() { m_bitfields.setShouldInvalidateSelection(false); }
|
| -
|
| - bool neededLayoutBecauseOfChildren() const { return m_bitfields.neededLayoutBecauseOfChildren(); }
|
| - void setNeededLayoutBecauseOfChildren(bool b) { m_bitfields.setNeededLayoutBecauseOfChildren(b); }
|
| -
|
| - bool shouldCheckForPaintInvalidation(const PaintInvalidationState& paintInvalidationState) const
|
| - {
|
| - return paintInvalidationState.forceCheckForPaintInvalidation() || shouldCheckForPaintInvalidationRegardlessOfPaintInvalidationState();
|
| - }
|
| -
|
| - bool shouldCheckForPaintInvalidationRegardlessOfPaintInvalidationState() const
|
| - {
|
| - return layoutDidGetCalledSinceLastFrame() || mayNeedPaintInvalidation() || shouldDoFullPaintInvalidation() || shouldInvalidateSelection();
|
| - }
|
| -
|
| - virtual bool supportsPaintInvalidationStateCachedOffsets() const { return !hasColumns() && !hasTransformRelatedProperty() && !hasReflection() && !style()->isFlippedBlocksWritingMode(); }
|
| -
|
| - void setNeedsOverflowRecalcAfterStyleChange();
|
| - void markContainingBlocksForOverflowRecalc();
|
| -
|
| - virtual LayoutRect viewRect() const;
|
| -
|
| - DisplayItemClient displayItemClient() const { return toDisplayItemClient(this); }
|
| -
|
| -protected:
|
| - enum RenderObjectType {
|
| - RenderObjectBr,
|
| - RenderObjectCanvas,
|
| - RenderObjectFieldset,
|
| - RenderObjectCounter,
|
| - RenderObjectDetailsMarker,
|
| - RenderObjectEmbeddedObject,
|
| - RenderObjectFileUploadControl,
|
| - RenderObjectFrame,
|
| - RenderObjectFrameSet,
|
| - RenderObjectLayoutTableCol,
|
| - RenderObjectListBox,
|
| - RenderObjectListItem,
|
| - RenderObjectListMarker,
|
| - RenderObjectMedia,
|
| - RenderObjectMenuList,
|
| - RenderObjectMeter,
|
| - RenderObjectProgress,
|
| - RenderObjectQuote,
|
| - RenderObjectRenderButton,
|
| - RenderObjectRenderFlowThread,
|
| - RenderObjectRenderFullScreen,
|
| - RenderObjectRenderFullScreenPlaceholder,
|
| - RenderObjectRenderGrid,
|
| - RenderObjectRenderIFrame,
|
| - RenderObjectRenderImage,
|
| - RenderObjectRenderInline,
|
| - RenderObjectRenderMultiColumnSet,
|
| - RenderObjectRenderMultiColumnSpannerPlaceholder,
|
| - RenderObjectRenderPart,
|
| - RenderObjectRenderRegion,
|
| - RenderObjectRenderScrollbarPart,
|
| - RenderObjectRenderView,
|
| - RenderObjectReplica,
|
| - RenderObjectRuby,
|
| - RenderObjectRubyBase,
|
| - RenderObjectRubyRun,
|
| - RenderObjectRubyText,
|
| - RenderObjectSlider,
|
| - RenderObjectSliderThumb,
|
| - RenderObjectTable,
|
| - RenderObjectTableCaption,
|
| - RenderObjectTableCell,
|
| - RenderObjectTableRow,
|
| - RenderObjectTableSection,
|
| - RenderObjectTextArea,
|
| - RenderObjectTextControl,
|
| - RenderObjectTextField,
|
| - RenderObjectVideo,
|
| - RenderObjectWidget,
|
| -
|
| - RenderObjectSVG, /* Keep by itself? */
|
| - RenderObjectSVGRoot,
|
| - RenderObjectSVGContainer,
|
| - RenderObjectSVGTransformableContainer,
|
| - RenderObjectSVGViewportContainer,
|
| - RenderObjectSVGHiddenContainer,
|
| - RenderObjectSVGGradientStop,
|
| - RenderObjectSVGShape,
|
| - RenderObjectSVGText,
|
| - RenderObjectSVGTextPath,
|
| - RenderObjectSVGInline,
|
| - RenderObjectSVGInlineText,
|
| - RenderObjectSVGImage,
|
| - RenderObjectSVGForeignObject,
|
| - RenderObjectSVGResourceContainer,
|
| - RenderObjectSVGResourceFilter,
|
| - RenderObjectSVGResourceFilterPrimitive,
|
| - };
|
| - virtual bool isOfType(RenderObjectType type) const { return false; }
|
| -
|
| - inline bool layerCreationAllowedForSubtree() const;
|
| -
|
| - // Overrides should call the superclass at the end. m_style will be 0 the first time
|
| - // this function will be called.
|
| - virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle);
|
| - // Overrides should call the superclass at the start. |oldStyle| will be 0 the first
|
| - // time this function is called.
|
| - virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
|
| - void propagateStyleToAnonymousChildren(bool blockChildrenOnly = false);
|
| - virtual void updateAnonymousChildStyle(const RenderObject* child, RenderStyle* style) const { }
|
| -
|
| -protected:
|
| - void setSelfMayNeedPaintInvalidation();
|
| -
|
| - void clearLayoutRootIfNeeded() const;
|
| - virtual void willBeDestroyed();
|
| - void postDestroy();
|
| -
|
| - virtual void insertedIntoTree();
|
| - virtual void willBeRemovedFromTree();
|
| -
|
| - void setDocumentForAnonymous(Document* document) { ASSERT(isAnonymous()); m_node = document; }
|
| -
|
| - // Add hit-test rects for the render tree rooted at this node to the provided collection on a
|
| - // per-Layer basis.
|
| - // currentLayer must be the enclosing layer, and layerOffset is the current offset within
|
| - // this layer. Subclass implementations will add any offset for this renderer within it's
|
| - // container, so callers should provide only the offset of the container within it's layer.
|
| - // containerRect is a rect that has already been added for the currentLayer which is likely to
|
| - // be a container for child elements. Any rect wholly contained by containerRect can be
|
| - // skipped.
|
| - virtual void addLayerHitTestRects(LayerHitTestRects&, const Layer* currentLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const;
|
| -
|
| - // Add hit-test rects for this renderer only to the provided list. layerOffset is the offset
|
| - // of this renderer within the current layer that should be used for each result.
|
| - virtual void computeSelfHitTestRects(Vector<LayoutRect>&, const LayoutPoint& layerOffset) const { };
|
| -
|
| - virtual PaintInvalidationReason paintInvalidationReason(const LayoutLayerModelObject& paintInvalidationContainer,
|
| - const LayoutRect& oldPaintInvalidationRect, const LayoutPoint& oldPositionFromPaintInvalidationBacking,
|
| - const LayoutRect& newPaintInvalidationRect, const LayoutPoint& newPositionFromPaintInvalidationBacking) const;
|
| - virtual void incrementallyInvalidatePaint(const LayoutLayerModelObject& paintInvalidationContainer, const LayoutRect& oldBounds, const LayoutRect& newBounds, const LayoutPoint& positionFromPaintInvalidationBacking);
|
| - void fullyInvalidatePaint(const LayoutLayerModelObject& paintInvalidationContainer, PaintInvalidationReason, const LayoutRect& oldBounds, const LayoutRect& newBounds);
|
| -
|
| -#if ENABLE(ASSERT)
|
| - virtual bool paintInvalidationStateIsDirty() const
|
| - {
|
| - return neededLayoutBecauseOfChildren() || shouldCheckForPaintInvalidationRegardlessOfPaintInvalidationState();
|
| - }
|
| -#endif
|
| -
|
| - virtual void invalidatePaintOfSubtreesIfNeeded(const PaintInvalidationState& childPaintInvalidationState);
|
| - virtual PaintInvalidationReason invalidatePaintIfNeeded(const PaintInvalidationState&, const LayoutLayerModelObject& paintInvalidationContainer);
|
| -
|
| - // When this object is invalidated for paint, this method is called to invalidate any DisplayItemClients
|
| - // owned by this object, including the object itself, RenderText/RenderInline line boxes, scrollbars, etc.,
|
| - // not including children which will be invalidated normally during invalidateTreeIfNeeded().
|
| - virtual void invalidateDisplayItemClients(DisplayItemList*) const;
|
| -
|
| -private:
|
| - void setLayoutDidGetCalledSinceLastFrame()
|
| - {
|
| - m_bitfields.setLayoutDidGetCalledSinceLastFrame(true);
|
| -
|
| - // Make sure our parent is marked as needing invalidation.
|
| - // This would be unneeded if we allowed sub-tree invalidation (akin to sub-tree layouts).
|
| - markContainingBlockChainForPaintInvalidation();
|
| - }
|
| - void clearLayoutDidGetCalledSinceLastFrame() { m_bitfields.setLayoutDidGetCalledSinceLastFrame(false); }
|
| -
|
| - void invalidatePaintIncludingNonCompositingDescendantsInternal(const LayoutLayerModelObject* repaintContainer);
|
| -
|
| - LayoutRect previousSelectionRectForPaintInvalidation() const;
|
| - void setPreviousSelectionRectForPaintInvalidation(const LayoutRect&);
|
| -
|
| - const LayoutLayerModelObject* enclosingCompositedContainer() const;
|
| -
|
| - RenderFlowThread* locateFlowThreadContainingBlock() const;
|
| - void removeFromRenderFlowThread();
|
| - void removeFromRenderFlowThreadRecursive(RenderFlowThread*);
|
| -
|
| - RenderStyle* cachedFirstLineStyle() const;
|
| - StyleDifference adjustStyleDifference(StyleDifference) const;
|
| -
|
| - Color selectionColor(int colorProperty) const;
|
| -
|
| - void removeShapeImageClient(ShapeValue*);
|
| -
|
| -#if ENABLE(ASSERT)
|
| - void checkBlockPositionedObjectsNeedLayout();
|
| -#endif
|
| -
|
| - void markContainingBlockChainForPaintInvalidation();
|
| -
|
| - static bool isAllowedToModifyRenderTreeStructure(Document&);
|
| -
|
| - RefPtr<RenderStyle> m_style;
|
| -
|
| - // Oilpan: raw pointer back to the owning Node is considered safe.
|
| - Node* m_node;
|
| -
|
| - RenderObject* m_parent;
|
| - RenderObject* m_previous;
|
| - RenderObject* m_next;
|
| -
|
| -#if ENABLE(ASSERT)
|
| - unsigned m_hasAXObject : 1;
|
| - unsigned m_setNeedsLayoutForbidden : 1;
|
| -#endif
|
| -
|
| -#define ADD_BOOLEAN_BITFIELD(name, Name) \
|
| - private:\
|
| - unsigned m_##name : 1;\
|
| - public:\
|
| - bool name() const { return m_##name; }\
|
| - void set##Name(bool name) { m_##name = name; }\
|
| -
|
| - class RenderObjectBitfields {
|
| - enum PositionedState {
|
| - IsStaticallyPositioned = 0,
|
| - IsRelativelyPositioned = 1,
|
| - IsOutOfFlowPositioned = 2,
|
| - };
|
| -
|
| - public:
|
| - RenderObjectBitfields(Node* node)
|
| - : m_selfNeedsLayout(false)
|
| - , m_shouldInvalidateOverflowForPaint(false)
|
| - // FIXME: We should remove mayNeedPaintInvalidation once we are able to
|
| - // use the other layout flags to detect the same cases. crbug.com/370118
|
| - , m_mayNeedPaintInvalidation(false)
|
| - , m_shouldInvalidateSelection(false)
|
| - , m_neededLayoutBecauseOfChildren(false)
|
| - , m_needsPositionedMovementLayout(false)
|
| - , m_normalChildNeedsLayout(false)
|
| - , m_posChildNeedsLayout(false)
|
| - , m_needsSimplifiedNormalFlowLayout(false)
|
| - , m_preferredLogicalWidthsDirty(false)
|
| - , m_floating(false)
|
| - , m_selfNeedsOverflowRecalcAfterStyleChange(false)
|
| - , m_childNeedsOverflowRecalcAfterStyleChange(false)
|
| - , m_isAnonymous(!node)
|
| - , m_isText(false)
|
| - , m_isBox(false)
|
| - , m_isInline(true)
|
| - , m_isReplaced(false)
|
| - , m_horizontalWritingMode(true)
|
| - , m_isDragging(false)
|
| - , m_hasLayer(false)
|
| - , m_hasOverflowClip(false)
|
| - , m_hasTransformRelatedProperty(false)
|
| - , m_hasReflection(false)
|
| - , m_hasCounterNodeMap(false)
|
| - , m_everHadLayout(false)
|
| - , m_ancestorLineBoxDirty(false)
|
| - , m_layoutDidGetCalledSinceLastFrame(false)
|
| - , m_hasPendingResourceUpdate(false)
|
| - , m_childrenInline(false)
|
| - , m_hasColumns(false)
|
| - , m_alwaysCreateLineBoxesForRenderInline(false)
|
| - , m_positionedState(IsStaticallyPositioned)
|
| - , m_selectionState(SelectionNone)
|
| - , m_flowThreadState(NotInsideFlowThread)
|
| - , m_boxDecorationBackgroundState(NoBoxDecorationBackground)
|
| - , m_fullPaintInvalidationReason(PaintInvalidationNone)
|
| - {
|
| - }
|
| -
|
| - // 32 bits have been used in the first word, and 14 in the second.
|
| - ADD_BOOLEAN_BITFIELD(selfNeedsLayout, SelfNeedsLayout);
|
| - ADD_BOOLEAN_BITFIELD(shouldInvalidateOverflowForPaint, ShouldInvalidateOverflowForPaint);
|
| - ADD_BOOLEAN_BITFIELD(mayNeedPaintInvalidation, MayNeedPaintInvalidation);
|
| - ADD_BOOLEAN_BITFIELD(shouldInvalidateSelection, ShouldInvalidateSelection);
|
| - ADD_BOOLEAN_BITFIELD(neededLayoutBecauseOfChildren, NeededLayoutBecauseOfChildren);
|
| - ADD_BOOLEAN_BITFIELD(needsPositionedMovementLayout, NeedsPositionedMovementLayout);
|
| - ADD_BOOLEAN_BITFIELD(normalChildNeedsLayout, NormalChildNeedsLayout);
|
| - ADD_BOOLEAN_BITFIELD(posChildNeedsLayout, PosChildNeedsLayout);
|
| - ADD_BOOLEAN_BITFIELD(needsSimplifiedNormalFlowLayout, NeedsSimplifiedNormalFlowLayout);
|
| - ADD_BOOLEAN_BITFIELD(preferredLogicalWidthsDirty, PreferredLogicalWidthsDirty);
|
| - ADD_BOOLEAN_BITFIELD(floating, Floating);
|
| - ADD_BOOLEAN_BITFIELD(selfNeedsOverflowRecalcAfterStyleChange, SelfNeedsOverflowRecalcAfterStyleChange);
|
| - ADD_BOOLEAN_BITFIELD(childNeedsOverflowRecalcAfterStyleChange, ChildNeedsOverflowRecalcAfterStyleChange);
|
| -
|
| - ADD_BOOLEAN_BITFIELD(isAnonymous, IsAnonymous);
|
| - ADD_BOOLEAN_BITFIELD(isText, IsText);
|
| - ADD_BOOLEAN_BITFIELD(isBox, IsBox);
|
| - ADD_BOOLEAN_BITFIELD(isInline, IsInline);
|
| - ADD_BOOLEAN_BITFIELD(isReplaced, IsReplaced);
|
| - ADD_BOOLEAN_BITFIELD(horizontalWritingMode, HorizontalWritingMode);
|
| - ADD_BOOLEAN_BITFIELD(isDragging, IsDragging);
|
| -
|
| - ADD_BOOLEAN_BITFIELD(hasLayer, HasLayer);
|
| - ADD_BOOLEAN_BITFIELD(hasOverflowClip, HasOverflowClip); // Set in the case of overflow:auto/scroll/hidden
|
| - ADD_BOOLEAN_BITFIELD(hasTransformRelatedProperty, HasTransformRelatedProperty);
|
| - ADD_BOOLEAN_BITFIELD(hasReflection, HasReflection);
|
| -
|
| - ADD_BOOLEAN_BITFIELD(hasCounterNodeMap, HasCounterNodeMap);
|
| - ADD_BOOLEAN_BITFIELD(everHadLayout, EverHadLayout);
|
| - ADD_BOOLEAN_BITFIELD(ancestorLineBoxDirty, AncestorLineBoxDirty);
|
| -
|
| - ADD_BOOLEAN_BITFIELD(layoutDidGetCalledSinceLastFrame, LayoutDidGetCalledSinceLastFrame);
|
| -
|
| - ADD_BOOLEAN_BITFIELD(hasPendingResourceUpdate, HasPendingResourceUpdate);
|
| -
|
| - // from RenderBlock
|
| - ADD_BOOLEAN_BITFIELD(childrenInline, ChildrenInline);
|
| - ADD_BOOLEAN_BITFIELD(hasColumns, HasColumns);
|
| -
|
| - // from RenderInline
|
| - ADD_BOOLEAN_BITFIELD(alwaysCreateLineBoxesForRenderInline, AlwaysCreateLineBoxesForRenderInline);
|
| -
|
| - private:
|
| - unsigned m_positionedState : 2; // PositionedState
|
| - unsigned m_selectionState : 3; // SelectionState
|
| - unsigned m_flowThreadState : 2; // FlowThreadState
|
| - unsigned m_boxDecorationBackgroundState : 2; // BoxDecorationBackgroundState
|
| - unsigned m_fullPaintInvalidationReason : 5; // PaintInvalidationReason
|
| -
|
| - public:
|
| - bool isOutOfFlowPositioned() const { return m_positionedState == IsOutOfFlowPositioned; }
|
| - bool isRelPositioned() const { return m_positionedState == IsRelativelyPositioned; }
|
| - bool isPositioned() const { return m_positionedState != IsStaticallyPositioned; }
|
| -
|
| - void setPositionedState(int positionState)
|
| - {
|
| - // This mask maps FixedPosition and AbsolutePosition to IsOutOfFlowPositioned, saving one bit.
|
| - m_positionedState = static_cast<PositionedState>(positionState & 0x3);
|
| - }
|
| - void clearPositionedState() { m_positionedState = StaticPosition; }
|
| -
|
| - ALWAYS_INLINE SelectionState selectionState() const { return static_cast<SelectionState>(m_selectionState); }
|
| - ALWAYS_INLINE void setSelectionState(SelectionState selectionState) { m_selectionState = selectionState; }
|
| -
|
| - ALWAYS_INLINE FlowThreadState flowThreadState() const { return static_cast<FlowThreadState>(m_flowThreadState); }
|
| - ALWAYS_INLINE void setFlowThreadState(FlowThreadState flowThreadState) { m_flowThreadState = flowThreadState; }
|
| -
|
| - ALWAYS_INLINE BoxDecorationBackgroundState boxDecorationBackgroundState() const { return static_cast<BoxDecorationBackgroundState>(m_boxDecorationBackgroundState); }
|
| - ALWAYS_INLINE void setBoxDecorationBackgroundState(BoxDecorationBackgroundState s) { m_boxDecorationBackgroundState = s; }
|
| -
|
| - PaintInvalidationReason fullPaintInvalidationReason() const { return static_cast<PaintInvalidationReason>(m_fullPaintInvalidationReason); }
|
| - void setFullPaintInvalidationReason(PaintInvalidationReason reason) { m_fullPaintInvalidationReason = reason; }
|
| - };
|
| -
|
| -#undef ADD_BOOLEAN_BITFIELD
|
| -
|
| - RenderObjectBitfields m_bitfields;
|
| -
|
| - void setSelfNeedsLayout(bool b) { m_bitfields.setSelfNeedsLayout(b); }
|
| - void setNeedsPositionedMovementLayout(bool b) { m_bitfields.setNeedsPositionedMovementLayout(b); }
|
| - void setNormalChildNeedsLayout(bool b) { m_bitfields.setNormalChildNeedsLayout(b); }
|
| - void setPosChildNeedsLayout(bool b) { m_bitfields.setPosChildNeedsLayout(b); }
|
| - void setNeedsSimplifiedNormalFlowLayout(bool b) { m_bitfields.setNeedsSimplifiedNormalFlowLayout(b); }
|
| - void setIsDragging(bool b) { m_bitfields.setIsDragging(b); }
|
| - void setEverHadLayout(bool b) { m_bitfields.setEverHadLayout(b); }
|
| - void setShouldInvalidateOverflowForPaint(bool b) { m_bitfields.setShouldInvalidateOverflowForPaint(b); }
|
| - void setSelfNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setSelfNeedsOverflowRecalcAfterStyleChange(b); }
|
| - void setChildNeedsOverflowRecalcAfterStyleChange(bool b) { m_bitfields.setChildNeedsOverflowRecalcAfterStyleChange(b); }
|
| -
|
| -private:
|
| - // Store state between styleWillChange and styleDidChange
|
| - static bool s_affectsParentBlock;
|
| -
|
| - // This stores the paint invalidation rect from the previous frame.
|
| - LayoutRect m_previousPaintInvalidationRect;
|
| -
|
| - // This stores the position in the paint invalidation backing's coordinate.
|
| - // It is used to detect renderer shifts that forces a full invalidation.
|
| - LayoutPoint m_previousPositionFromPaintInvalidationBacking;
|
| -
|
| - static unsigned s_instanceCount;
|
| -};
|
| -
|
| -// FIXME: remove this once the render object lifecycle ASSERTS are no longer hit.
|
| -class DeprecatedDisableModifyRenderTreeStructureAsserts {
|
| - WTF_MAKE_NONCOPYABLE(DeprecatedDisableModifyRenderTreeStructureAsserts);
|
| -public:
|
| - DeprecatedDisableModifyRenderTreeStructureAsserts();
|
| -
|
| - static bool canModifyRenderTreeStateInAnyState();
|
| -
|
| -private:
|
| - TemporaryChange<bool> m_disabler;
|
| -};
|
| -
|
| -// Allow equality comparisons of RenderObjects by reference or pointer, interchangeably.
|
| -DEFINE_COMPARISON_OPERATORS_WITH_REFERENCES(RenderObject)
|
| -
|
| -inline bool RenderObject::documentBeingDestroyed() const
|
| -{
|
| - return document().lifecycle().state() >= DocumentLifecycle::Stopping;
|
| -}
|
| -
|
| -inline bool RenderObject::isBeforeContent() const
|
| -{
|
| - if (style()->styleType() != BEFORE)
|
| - return false;
|
| - // Text nodes don't have their own styles, so ignore the style on a text node.
|
| - if (isText() && !isBR())
|
| - return false;
|
| - return true;
|
| -}
|
| -
|
| -inline bool RenderObject::isAfterContent() const
|
| -{
|
| - if (style()->styleType() != AFTER)
|
| - return false;
|
| - // Text nodes don't have their own styles, so ignore the style on a text node.
|
| - if (isText() && !isBR())
|
| - return false;
|
| - return true;
|
| -}
|
| -
|
| -inline bool RenderObject::isBeforeOrAfterContent() const
|
| -{
|
| - return isBeforeContent() || isAfterContent();
|
| -}
|
| -
|
| -// setNeedsLayout() won't cause full paint invalidations as
|
| -// setNeedsLayoutAndFullPaintInvalidation() does. Otherwise the two methods are identical.
|
| -inline void RenderObject::setNeedsLayout(MarkingBehavior markParents, SubtreeLayoutScope* layouter)
|
| -{
|
| - TRACE_EVENT_INSTANT1(
|
| - TRACE_DISABLED_BY_DEFAULT("devtools.timeline.invalidationTracking"),
|
| - "LayoutInvalidationTracking",
|
| - "data",
|
| - InspectorLayoutInvalidationTrackingEvent::data(this));
|
| - ASSERT(!isSetNeedsLayoutForbidden());
|
| - bool alreadyNeededLayout = m_bitfields.selfNeedsLayout();
|
| - setSelfNeedsLayout(true);
|
| - if (!alreadyNeededLayout) {
|
| - if (markParents == MarkContainingBlockChain && (!layouter || layouter->root() != this))
|
| - markContainingBlocksForLayout(true, 0, layouter);
|
| - }
|
| -}
|
| -
|
| -inline void RenderObject::setNeedsLayoutAndFullPaintInvalidation(MarkingBehavior markParents, SubtreeLayoutScope* layouter)
|
| -{
|
| - setNeedsLayout(markParents, layouter);
|
| - setShouldDoFullPaintInvalidation();
|
| -}
|
| -
|
| -inline void RenderObject::clearNeedsLayout()
|
| -{
|
| - setNeededLayoutBecauseOfChildren(needsLayoutBecauseOfChildren());
|
| - setLayoutDidGetCalledSinceLastFrame();
|
| - setSelfNeedsLayout(false);
|
| - setEverHadLayout(true);
|
| - setPosChildNeedsLayout(false);
|
| - setNeedsSimplifiedNormalFlowLayout(false);
|
| - setNormalChildNeedsLayout(false);
|
| - setNeedsPositionedMovementLayout(false);
|
| - setAncestorLineBoxDirty(false);
|
| -#if ENABLE(ASSERT)
|
| - checkBlockPositionedObjectsNeedLayout();
|
| -#endif
|
| -}
|
| -
|
| -inline void RenderObject::setChildNeedsLayout(MarkingBehavior markParents, SubtreeLayoutScope* layouter)
|
| -{
|
| - ASSERT(!isSetNeedsLayoutForbidden());
|
| - bool alreadyNeededLayout = normalChildNeedsLayout();
|
| - setNormalChildNeedsLayout(true);
|
| - // FIXME: Replace MarkOnlyThis with the SubtreeLayoutScope code path and remove the MarkingBehavior argument entirely.
|
| - if (!alreadyNeededLayout && markParents == MarkContainingBlockChain && (!layouter || layouter->root() != this))
|
| - markContainingBlocksForLayout(true, 0, layouter);
|
| -}
|
| -
|
| -inline void RenderObject::setNeedsPositionedMovementLayout()
|
| -{
|
| - bool alreadyNeededLayout = needsPositionedMovementLayout();
|
| - setNeedsPositionedMovementLayout(true);
|
| - ASSERT(!isSetNeedsLayoutForbidden());
|
| - if (!alreadyNeededLayout)
|
| - markContainingBlocksForLayout();
|
| -}
|
| -
|
| -inline bool RenderObject::preservesNewline() const
|
| -{
|
| - if (isSVGInlineText())
|
| - return false;
|
| -
|
| - return style()->preserveNewline();
|
| -}
|
| -
|
| -inline bool RenderObject::layerCreationAllowedForSubtree() const
|
| -{
|
| - RenderObject* parentRenderer = parent();
|
| - while (parentRenderer) {
|
| - if (parentRenderer->isSVGHiddenContainer())
|
| - return false;
|
| - parentRenderer = parentRenderer->parent();
|
| - }
|
| -
|
| - return true;
|
| -}
|
| -
|
| -inline void RenderObject::setSelectionStateIfNeeded(SelectionState state)
|
| -{
|
| - if (selectionState() == state)
|
| - return;
|
| -
|
| - setSelectionState(state);
|
| -}
|
| -
|
| -inline void RenderObject::setHasBoxDecorationBackground(bool b)
|
| -{
|
| - if (!b) {
|
| - m_bitfields.setBoxDecorationBackgroundState(NoBoxDecorationBackground);
|
| - return;
|
| - }
|
| - if (hasBoxDecorationBackground())
|
| - return;
|
| - m_bitfields.setBoxDecorationBackgroundState(HasBoxDecorationBackgroundObscurationStatusInvalid);
|
| -}
|
| -
|
| -inline void RenderObject::invalidateBackgroundObscurationStatus()
|
| -{
|
| - if (!hasBoxDecorationBackground())
|
| - return;
|
| - m_bitfields.setBoxDecorationBackgroundState(HasBoxDecorationBackgroundObscurationStatusInvalid);
|
| -}
|
| -
|
| -inline bool RenderObject::boxDecorationBackgroundIsKnownToBeObscured()
|
| -{
|
| - if (m_bitfields.boxDecorationBackgroundState() == HasBoxDecorationBackgroundObscurationStatusInvalid) {
|
| - BoxDecorationBackgroundState state = computeBackgroundIsKnownToBeObscured() ? HasBoxDecorationBackgroundKnownToBeObscured : HasBoxDecorationBackgroundMayBeVisible;
|
| - m_bitfields.setBoxDecorationBackgroundState(state);
|
| - }
|
| - return m_bitfields.boxDecorationBackgroundState() == HasBoxDecorationBackgroundKnownToBeObscured;
|
| -}
|
| -
|
| -inline void makeMatrixRenderable(TransformationMatrix& matrix, bool has3DRendering)
|
| -{
|
| - if (!has3DRendering)
|
| - matrix.makeAffine();
|
| -}
|
| -
|
| -inline int adjustForAbsoluteZoom(int value, RenderObject* renderer)
|
| -{
|
| - return adjustForAbsoluteZoom(value, renderer->style());
|
| -}
|
| -
|
| -inline double adjustDoubleForAbsoluteZoom(double value, RenderObject& renderer)
|
| -{
|
| - ASSERT(renderer.style());
|
| - return adjustDoubleForAbsoluteZoom(value, *renderer.style());
|
| -}
|
| -
|
| -inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, RenderObject& renderer)
|
| -{
|
| - ASSERT(renderer.style());
|
| - return adjustLayoutUnitForAbsoluteZoom(value, *renderer.style());
|
| -}
|
| -
|
| -inline void adjustFloatQuadForAbsoluteZoom(FloatQuad& quad, RenderObject& renderer)
|
| -{
|
| - float zoom = renderer.style()->effectiveZoom();
|
| - if (zoom != 1)
|
| - quad.scale(1 / zoom, 1 / zoom);
|
| -}
|
| -
|
| -inline void adjustFloatRectForAbsoluteZoom(FloatRect& rect, RenderObject& renderer)
|
| -{
|
| - float zoom = renderer.style()->effectiveZoom();
|
| - if (zoom != 1)
|
| - rect.scale(1 / zoom, 1 / zoom);
|
| -}
|
| -
|
| -inline double adjustScrollForAbsoluteZoom(double value, RenderObject& renderer)
|
| -{
|
| - ASSERT(renderer.style());
|
| - return adjustScrollForAbsoluteZoom(value, *renderer.style());
|
| -}
|
| -
|
| -#define DEFINE_RENDER_OBJECT_TYPE_CASTS(thisType, predicate) \
|
| - DEFINE_TYPE_CASTS(thisType, RenderObject, object, object->predicate, object.predicate)
|
| -
|
| -} // namespace blink
|
| -
|
| -#ifndef NDEBUG
|
| -// Outside the WebCore namespace for ease of invocation from gdb.
|
| -void showTree(const blink::RenderObject*);
|
| -void showLineTree(const blink::RenderObject*);
|
| -void showRenderTree(const blink::RenderObject* object1);
|
| -// We don't make object2 an optional parameter so that showRenderTree
|
| -// can be called from gdb easily.
|
| -void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
|
| -
|
| -#endif
|
| -
|
| -#endif // RenderObject_h
|
|
|
Chromium Code Reviews
Issue 899163003:
Move rendering/RenderObject to layout/LayoutObject. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk