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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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| 127 const RenderLayerStackingNode* stackingNode() const { return m_stackingNode.
get(); } | 127 const RenderLayerStackingNode* stackingNode() const { return m_stackingNode.
get(); } |
| 128 | 128 |
| 129 bool hasBoxDecorationsOrBackground() const; | 129 bool hasBoxDecorationsOrBackground() const; |
| 130 bool hasVisibleBoxDecorations() const; | 130 bool hasVisibleBoxDecorations() const; |
| 131 // Returns true if this layer has visible content (ignoring any child layers
). | 131 // Returns true if this layer has visible content (ignoring any child layers
). |
| 132 bool isVisuallyNonEmpty() const; | 132 bool isVisuallyNonEmpty() const; |
| 133 // True if this layer container renderers that paint. | 133 // True if this layer container renderers that paint. |
| 134 bool hasNonEmptyChildRenderers() const; | 134 bool hasNonEmptyChildRenderers() const; |
| 135 | 135 |
| 136 bool usedTransparency() const { return m_usedTransparency; } | 136 bool usedTransparency() const { return m_usedTransparency; } |
| 137 void clearUsedTransparency() { m_usedTransparency = false; } |
| 137 | 138 |
| 138 // Gets the nearest enclosing positioned ancestor layer (also includes | 139 // Gets the nearest enclosing positioned ancestor layer (also includes |
| 139 // the <html> layer and the root layer). | 140 // the <html> layer and the root layer). |
| 140 RenderLayer* enclosingPositionedAncestor() const; | 141 RenderLayer* enclosingPositionedAncestor() const; |
| 141 | 142 |
| 142 RenderLayer* enclosingOverflowClipLayer(IncludeSelfOrNot = IncludeSelf) cons
t; | 143 RenderLayer* enclosingOverflowClipLayer(IncludeSelfOrNot = IncludeSelf) cons
t; |
| 143 | 144 |
| 144 const RenderLayer* compositingContainer() const; | 145 const RenderLayer* compositingContainer() const; |
| 145 RenderLayer* enclosingFilterLayer(IncludeSelfOrNot = IncludeSelf) const; | 146 RenderLayer* enclosingFilterLayer(IncludeSelfOrNot = IncludeSelf) const; |
| 146 bool hasAncestorWithFilterOutsets() const; | 147 bool hasAncestorWithFilterOutsets() const; |
| 147 | 148 |
| 148 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutPoint&) co
nst; | 149 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutPoint&) co
nst; |
| 149 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutRect&) con
st; | 150 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutRect&) con
st; |
| 150 | 151 |
| 151 // The two main functions that use the layer system. The paint method | 152 // The two main functions that use the layer system. The paint method |
| 152 // paints the layers that intersect the damage rect from back to | 153 // paints the layers that intersect the damage rect from back to |
| 153 // front. The hitTest method looks for mouse events by walking | 154 // front. The hitTest method looks for mouse events by walking |
| 154 // layers that intersect the point from front to back. | 155 // layers that intersect the point from front to back. |
| 155 // paint() assumes that the caller will clip to the bounds of damageRect if
necessary. | |
| 156 void paint(GraphicsContext*, const LayoutRect& damageRect); | |
| 157 bool hitTest(const HitTestRequest&, HitTestResult&); | 156 bool hitTest(const HitTestRequest&, HitTestResult&); |
| 158 bool hitTest(const HitTestRequest&, const HitTestLocation&, HitTestResult&); | 157 bool hitTest(const HitTestRequest&, const HitTestLocation&, HitTestResult&); |
| 159 | 158 |
| 160 // Pass offsetFromRoot if known. | 159 // Pass offsetFromRoot if known. |
| 161 bool intersectsDamageRect(const LayoutRect& layerBounds, const LayoutRect& d
amageRect, const RenderLayer* rootLayer, const LayoutPoint* offsetFromRoot = 0)
const; | 160 bool intersectsDamageRect(const LayoutRect& layerBounds, const LayoutRect& d
amageRect, const RenderLayer* rootLayer, const LayoutPoint* offsetFromRoot = 0)
const; |
| 162 | 161 |
| 163 // Bounding box relative to some ancestor layer. Pass offsetFromRoot if know
n. | 162 // Bounding box relative to some ancestor layer. Pass offsetFromRoot if know
n. |
| 164 LayoutRect physicalBoundingBox(const RenderLayer* ancestorLayer, const Layou
tPoint* offsetFromRoot = 0) const; | 163 LayoutRect physicalBoundingBox(const RenderLayer* ancestorLayer, const Layou
tPoint* offsetFromRoot = 0) const; |
| 165 LayoutRect physicalBoundingBoxIncludingReflectionAndStackingChildren(const R
enderLayer* ancestorLayer, const LayoutPoint& offsetFromRoot) const; | 164 LayoutRect physicalBoundingBoxIncludingReflectionAndStackingChildren(const R
enderLayer* ancestorLayer, const LayoutPoint& offsetFromRoot) const; |
| 166 | 165 |
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| 237 inline bool isPositionedContainer() const | 236 inline bool isPositionedContainer() const |
| 238 { | 237 { |
| 239 // FIXME: This is not in sync with containingBlock. | 238 // FIXME: This is not in sync with containingBlock. |
| 240 RenderLayerModelObject* layerRenderer = renderer(); | 239 RenderLayerModelObject* layerRenderer = renderer(); |
| 241 return isRootLayer() || layerRenderer->isPositioned() || hasTransform(); | 240 return isRootLayer() || layerRenderer->isPositioned() || hasTransform(); |
| 242 } | 241 } |
| 243 | 242 |
| 244 void updateOrRemoveFilterEffectRenderer(); | 243 void updateOrRemoveFilterEffectRenderer(); |
| 245 void updateSelfPaintingLayer(); | 244 void updateSelfPaintingLayer(); |
| 246 | 245 |
| 246 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&,
BorderRadiusClippingRule = IncludeSelfForBorderRadius); |
| 247 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C
lipRect&); |
| 248 |
| 247 private: | 249 private: |
| 248 // TODO(ojan): Get rid of this. These are basically layer-tree-only paint ph
ases. | 250 // TODO(ojan): Get rid of this. These are basically layer-tree-only paint ph
ases. |
| 249 enum PaintLayerFlags { | 251 enum PaintLayerFlags { |
| 250 PaintContent, | 252 PaintContent, |
| 251 }; | 253 }; |
| 252 | 254 |
| 253 // Bounding box in the coordinates of this layer. | 255 // Bounding box in the coordinates of this layer. |
| 254 LayoutRect logicalBoundingBox() const; | 256 LayoutRect logicalBoundingBox() const; |
| 255 | 257 |
| 256 void setAncestorChainHasSelfPaintingLayerDescendant(); | 258 void setAncestorChainHasSelfPaintingLayerDescendant(); |
| 257 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus(); | 259 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus(); |
| 258 | 260 |
| 259 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&,
BorderRadiusClippingRule = IncludeSelfForBorderRadius); | |
| 260 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C
lipRect&); | |
| 261 | |
| 262 void setNextSibling(RenderLayer* next) { m_next = next; } | 261 void setNextSibling(RenderLayer* next) { m_next = next; } |
| 263 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } | 262 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } |
| 264 void setFirstChild(RenderLayer* first) { m_first = first; } | 263 void setFirstChild(RenderLayer* first) { m_first = first; } |
| 265 void setLastChild(RenderLayer* last) { m_last = last; } | 264 void setLastChild(RenderLayer* last) { m_last = last; } |
| 266 | 265 |
| 267 void updateHasSelfPaintingLayerDescendant() const; | 266 void updateHasSelfPaintingLayerDescendant() const; |
| 268 | 267 |
| 269 bool hasSelfPaintingLayerDescendant() const | 268 bool hasSelfPaintingLayerDescendant() const |
| 270 { | 269 { |
| 271 if (m_hasSelfPaintingLayerDescendantDirty) | 270 if (m_hasSelfPaintingLayerDescendantDirty) |
| 272 updateHasSelfPaintingLayerDescendant(); | 271 updateHasSelfPaintingLayerDescendant(); |
| 273 ASSERT(!m_hasSelfPaintingLayerDescendantDirty); | 272 ASSERT(!m_hasSelfPaintingLayerDescendantDirty); |
| 274 return m_hasSelfPaintingLayerDescendant; | 273 return m_hasSelfPaintingLayerDescendant; |
| 275 } | 274 } |
| 276 | 275 |
| 277 LayoutPoint renderBoxLocation() const { return renderer()->isBox() ? toRende
rBox(renderer())->location() : LayoutPoint(); } | 276 LayoutPoint renderBoxLocation() const { return renderer()->isBox() ? toRende
rBox(renderer())->location() : LayoutPoint(); } |
| 278 | 277 |
| 279 // paintLayer() assumes that the caller will clip to the bounds of the paint
ing dirty if necessary. | |
| 280 void paintLayer(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags)
; | |
| 281 | |
| 282 // paintLayerContents() assumes that the caller will clip to the bounds of t
he painting dirty rect if necessary. | |
| 283 void paintLayerContents(GraphicsContext*, const LayerPaintingInfo&, PaintLay
erFlags); | |
| 284 | |
| 285 void paintLayerByApplyingTransform(GraphicsContext*, const LayerPaintingInfo
&, PaintLayerFlags, const LayoutPoint& translationOffset = LayoutPoint()); | |
| 286 | |
| 287 void paintChildren(unsigned childrenToVisit, GraphicsContext*, const LayerPa
intingInfo&, PaintLayerFlags); | |
| 288 | |
| 289 void paintForeground(GraphicsContext*, GraphicsContext* transparencyLayerCon
text, | |
| 290 const LayoutRect& transparencyPaintDirtyRect, bool haveTransparency, con
st LayerPaintingInfo&, | |
| 291 LayoutPoint& layerLocation, ClipRect& layerForegroundRect); | |
| 292 | |
| 293 RenderLayer* hitTestLayer(RenderLayer* rootLayer, RenderLayer* containerLaye
r, const HitTestRequest& request, HitTestResult& result, | 278 RenderLayer* hitTestLayer(RenderLayer* rootLayer, RenderLayer* containerLaye
r, const HitTestRequest& request, HitTestResult& result, |
| 294 const LayoutRect& hitTestRect, const HitTestLocati
on&, bool appliedTransform, | 279 const LayoutRect& hitTestRect, const HitTestLocati
on&, bool appliedTransform, |
| 295 const HitTestingTransformState* transformState = 0
, double* zOffset = 0); | 280 const HitTestingTransformState* transformState = 0
, double* zOffset = 0); |
| 296 RenderLayer* hitTestLayerByApplyingTransform(RenderLayer* rootLayer, RenderL
ayer* containerLayer, const HitTestRequest&, HitTestResult&, | 281 RenderLayer* hitTestLayerByApplyingTransform(RenderLayer* rootLayer, RenderL
ayer* containerLayer, const HitTestRequest&, HitTestResult&, |
| 297 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT
ransformState* = 0, double* zOffset = 0, | 282 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT
ransformState* = 0, double* zOffset = 0, |
| 298 const LayoutPoint& translationOffset = LayoutPoint()); | 283 const LayoutPoint& translationOffset = LayoutPoint()); |
| 299 RenderLayer* hitTestChildren(ChildrenIteration, RenderLayer* rootLayer, cons
t HitTestRequest&, HitTestResult&, | 284 RenderLayer* hitTestChildren(ChildrenIteration, RenderLayer* rootLayer, cons
t HitTestRequest&, HitTestResult&, |
| 300 const LayoutRect& hitTestRect, const HitTestLocatio
n&, | 285 const LayoutRect& hitTestRect, const HitTestLocatio
n&, |
| 301 const HitTestingTransformState* transformState, dou
ble* zOffsetForDescendants, double* zOffset, | 286 const HitTestingTransformState* transformState, dou
ble* zOffsetForDescendants, double* zOffset, |
| 302 const HitTestingTransformState* unflattenedTransfor
mState, bool depthSortDescendants); | 287 const HitTestingTransformState* unflattenedTransfor
mState, bool depthSortDescendants); |
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| 371 | 356 |
| 372 } // namespace blink | 357 } // namespace blink |
| 373 | 358 |
| 374 #ifndef NDEBUG | 359 #ifndef NDEBUG |
| 375 // Outside the WebCore namespace for ease of invocation from gdb. | 360 // Outside the WebCore namespace for ease of invocation from gdb. |
| 376 void showLayerTree(const blink::RenderLayer*); | 361 void showLayerTree(const blink::RenderLayer*); |
| 377 void showLayerTree(const blink::RenderObject*); | 362 void showLayerTree(const blink::RenderObject*); |
| 378 #endif | 363 #endif |
| 379 | 364 |
| 380 #endif // SKY_ENGINE_CORE_RENDERING_RENDERLAYER_H_ | 365 #endif // SKY_ENGINE_CORE_RENDERING_RENDERLAYER_H_ |
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Chromium Code Reviews
Issue 899753003:
Walk render tree instead of render layers for paint. (Closed)
Base URL: https://github.com/domokit/mojo.git@master