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| 1 /* | 1 /* |
| 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. |
| 3 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 3 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
| 4 * | 4 * |
| 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
| 6 * | 6 * |
| 7 * Other contributors: | 7 * Other contributors: |
| 8 * Robert O'Callahan <roc+@cs.cmu.edu> | 8 * Robert O'Callahan <roc+@cs.cmu.edu> |
| 9 * David Baron <dbaron@fas.harvard.edu> | 9 * David Baron <dbaron@fas.harvard.edu> |
| 10 * Christian Biesinger <cbiesinger@web.de> | 10 * Christian Biesinger <cbiesinger@web.de> |
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| 107 const RenderLayer* compositingContainer() const; | 107 const RenderLayer* compositingContainer() const; |
| 108 | 108 |
| 109 void addChild(RenderLayer* newChild, RenderLayer* beforeChild = 0); | 109 void addChild(RenderLayer* newChild, RenderLayer* beforeChild = 0); |
| 110 RenderLayer* removeChild(RenderLayer*); | 110 RenderLayer* removeChild(RenderLayer*); |
| 111 | 111 |
| 112 void removeOnlyThisLayer(); | 112 void removeOnlyThisLayer(); |
| 113 void insertOnlyThisLayer(); | 113 void insertOnlyThisLayer(); |
| 114 | 114 |
| 115 void styleChanged(StyleDifference, const RenderStyle* oldStyle); | 115 void styleChanged(StyleDifference, const RenderStyle* oldStyle); |
| 116 | 116 |
| 117 // FIXME: Many people call this function while it has out-of-date informatio
n. |
| 117 bool isSelfPaintingLayer() const { return m_isSelfPaintingLayer; } | 118 bool isSelfPaintingLayer() const { return m_isSelfPaintingLayer; } |
| 118 | 119 |
| 119 void setLayerType(LayerType layerType) { m_layerType = layerType; } | 120 void setLayerType(LayerType layerType) { m_layerType = layerType; } |
| 120 | 121 |
| 121 bool isTransparent() const { return renderer()->isTransparent() || renderer(
)->hasMask(); } | 122 bool isTransparent() const { return renderer()->isTransparent() || renderer(
)->hasMask(); } |
| 122 RenderLayer* transparentPaintingAncestor(); | 123 RenderLayer* transparentPaintingAncestor(); |
| 123 void beginTransparencyLayers(GraphicsContext*, const RenderLayer* rootLayer,
const LayoutRect& paintDirtyRect, const LayoutSize& subPixelAccumulation, Paint
Behavior); | 124 void beginTransparencyLayers(GraphicsContext*, const RenderLayer* rootLayer,
const LayoutRect& paintDirtyRect, const LayoutSize& subPixelAccumulation, Paint
Behavior); |
| 124 | 125 |
| 125 bool isReflection() const { return renderer()->isReplica(); } | 126 bool isReflection() const { return renderer()->isReplica(); } |
| 126 RenderLayerReflectionInfo* reflectionInfo() { return m_reflectionInfo.get();
} | 127 RenderLayerReflectionInfo* reflectionInfo() { return m_reflectionInfo.get();
} |
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| 179 void dirtyVisibleContentStatus(); | 180 void dirtyVisibleContentStatus(); |
| 180 void potentiallyDirtyVisibleContentStatus(EVisibility); | 181 void potentiallyDirtyVisibleContentStatus(EVisibility); |
| 181 | 182 |
| 182 bool hasBoxDecorationsOrBackground() const; | 183 bool hasBoxDecorationsOrBackground() const; |
| 183 bool hasVisibleBoxDecorations() const; | 184 bool hasVisibleBoxDecorations() const; |
| 184 // Returns true if this layer has visible content (ignoring any child layers
). | 185 // Returns true if this layer has visible content (ignoring any child layers
). |
| 185 bool isVisuallyNonEmpty() const; | 186 bool isVisuallyNonEmpty() const; |
| 186 // True if this layer container renderers that paint. | 187 // True if this layer container renderers that paint. |
| 187 bool hasNonEmptyChildRenderers() const; | 188 bool hasNonEmptyChildRenderers() const; |
| 188 | 189 |
| 189 // FIXME: We should ASSERT(!m_hasSelfPaintingLayerDescendantDirty); here but
we hit the same bugs as visible content above. | |
| 190 // Part of the issue is with subtree relayout: we don't check if our ancesto
rs have some descendant flags dirty, missing some updates. | |
| 191 bool hasSelfPaintingLayerDescendant() const { return m_hasSelfPaintingLayerD
escendant; } | |
| 192 | |
| 193 // Will ensure that hasNonCompositiedChild are up to date. | 190 // Will ensure that hasNonCompositiedChild are up to date. |
| 194 void updateScrollingStateAfterCompositingChange(); | 191 void updateScrollingStateAfterCompositingChange(); |
| 195 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent;
} | 192 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent;
} |
| 196 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState
()); return m_hasNonCompositedChild; } | 193 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState
()); return m_hasNonCompositedChild; } |
| 197 | 194 |
| 198 bool usedTransparency() const { return m_usedTransparency; } | 195 bool usedTransparency() const { return m_usedTransparency; } |
| 199 | 196 |
| 200 // Gets the nearest enclosing positioned ancestor layer (also includes | 197 // Gets the nearest enclosing positioned ancestor layer (also includes |
| 201 // the <html> layer and the root layer). | 198 // the <html> layer and the root layer). |
| 202 RenderLayer* enclosingPositionedAncestor() const; | 199 RenderLayer* enclosingPositionedAncestor() const; |
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| 537 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&,
PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius); | 534 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&,
PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius); |
| 538 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C
lipRect&); | 535 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C
lipRect&); |
| 539 | 536 |
| 540 void updateLayerPositionRecursive(); | 537 void updateLayerPositionRecursive(); |
| 541 | 538 |
| 542 void setNextSibling(RenderLayer* next) { m_next = next; } | 539 void setNextSibling(RenderLayer* next) { m_next = next; } |
| 543 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } | 540 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } |
| 544 void setFirstChild(RenderLayer* first) { m_first = first; } | 541 void setFirstChild(RenderLayer* first) { m_first = first; } |
| 545 void setLastChild(RenderLayer* last) { m_last = last; } | 542 void setLastChild(RenderLayer* last) { m_last = last; } |
| 546 | 543 |
| 544 void updateHasSelfPaintingLayerDescendant() const; |
| 545 |
| 546 bool hasSelfPaintingLayerDescendant() const |
| 547 { |
| 548 if (m_hasSelfPaintingLayerDescendantDirty) |
| 549 updateHasSelfPaintingLayerDescendant(); |
| 550 ASSERT(!m_hasSelfPaintingLayerDescendantDirty); |
| 551 return m_hasSelfPaintingLayerDescendant; |
| 552 } |
| 553 |
| 547 LayoutPoint renderBoxLocation() const { return renderer()->isBox() ? toRende
rBox(renderer())->location() : LayoutPoint(); } | 554 LayoutPoint renderBoxLocation() const { return renderer()->isBox() ? toRende
rBox(renderer())->location() : LayoutPoint(); } |
| 548 | 555 |
| 549 void paintLayerContentsAndReflection(GraphicsContext*, const LayerPaintingIn
fo&, PaintLayerFlags); | 556 void paintLayerContentsAndReflection(GraphicsContext*, const LayerPaintingIn
fo&, PaintLayerFlags); |
| 550 void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo
&, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint()); | 557 void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo
&, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint()); |
| 551 | 558 |
| 552 // Returns whether this layer should be painted during sofware painting (i.e
., not via calls from CompositedLayerMapping to draw into composited | 559 // Returns whether this layer should be painted during sofware painting (i.e
., not via calls from CompositedLayerMapping to draw into composited |
| 553 // layers). | 560 // layers). |
| 554 bool shouldPaintLayerInSoftwareMode(const LayerPaintingInfo&, PaintLayerFlag
s paintFlags); | 561 bool shouldPaintLayerInSoftwareMode(const LayerPaintingInfo&, PaintLayerFlag
s paintFlags); |
| 555 | 562 |
| 556 void paintChildren(unsigned childrenToVisit, GraphicsContext*, const LayerPa
intingInfo&, PaintLayerFlags); | 563 void paintChildren(unsigned childrenToVisit, GraphicsContext*, const LayerPa
intingInfo&, PaintLayerFlags); |
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| 638 | 645 |
| 639 LayerType m_layerType; | 646 LayerType m_layerType; |
| 640 | 647 |
| 641 // Self-painting layer is an optimization where we avoid the heavy RenderLay
er painting | 648 // Self-painting layer is an optimization where we avoid the heavy RenderLay
er painting |
| 642 // machinery for a RenderLayer allocated only to handle the overflow clip ca
se. | 649 // machinery for a RenderLayer allocated only to handle the overflow clip ca
se. |
| 643 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov
erflow-only concept. | 650 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov
erflow-only concept. |
| 644 unsigned m_isSelfPaintingLayer : 1; | 651 unsigned m_isSelfPaintingLayer : 1; |
| 645 | 652 |
| 646 // If have no self-painting descendants, we don't have to walk our children
during painting. This can lead to | 653 // If have no self-painting descendants, we don't have to walk our children
during painting. This can lead to |
| 647 // significant savings, especially if the tree has lots of non-self-painting
layers grouped together (e.g. table cells). | 654 // significant savings, especially if the tree has lots of non-self-painting
layers grouped together (e.g. table cells). |
| 648 unsigned m_hasSelfPaintingLayerDescendant : 1; | 655 mutable unsigned m_hasSelfPaintingLayerDescendant : 1; |
| 649 unsigned m_hasSelfPaintingLayerDescendantDirty : 1; | 656 mutable unsigned m_hasSelfPaintingLayerDescendantDirty : 1; |
| 650 | 657 |
| 651 const unsigned m_isRootLayer : 1; | 658 const unsigned m_isRootLayer : 1; |
| 652 | 659 |
| 653 unsigned m_usedTransparency : 1; // Tracks whether we need to close a transp
arent layer, i.e., whether | 660 unsigned m_usedTransparency : 1; // Tracks whether we need to close a transp
arent layer, i.e., whether |
| 654 // we ended up painting this layer or any desce
ndants (and therefore need to | 661 // we ended up painting this layer or any desce
ndants (and therefore need to |
| 655 // blend). | 662 // blend). |
| 656 | 663 |
| 657 unsigned m_visibleContentStatusDirty : 1; | 664 unsigned m_visibleContentStatusDirty : 1; |
| 658 unsigned m_hasVisibleContent : 1; | 665 unsigned m_hasVisibleContent : 1; |
| 659 unsigned m_visibleDescendantStatusDirty : 1; | 666 unsigned m_visibleDescendantStatusDirty : 1; |
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| 734 | 741 |
| 735 } // namespace blink | 742 } // namespace blink |
| 736 | 743 |
| 737 #ifndef NDEBUG | 744 #ifndef NDEBUG |
| 738 // Outside the WebCore namespace for ease of invocation from gdb. | 745 // Outside the WebCore namespace for ease of invocation from gdb. |
| 739 void showLayerTree(const blink::RenderLayer*); | 746 void showLayerTree(const blink::RenderLayer*); |
| 740 void showLayerTree(const blink::RenderObject*); | 747 void showLayerTree(const blink::RenderObject*); |
| 741 #endif | 748 #endif |
| 742 | 749 |
| 743 #endif // RenderLayer_h | 750 #endif // RenderLayer_h |
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Chromium Code Reviews
Issue 468633002:
hasSelfPaintingLayerDescendant should clean m_hasSelfPaintingLayerDescendantDirty (Closed)
Base URL: svn://svn.chromium.org/blink/trunk