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Side by Side Diff: Source/core/rendering/RenderLayer.h

Issue 620753006: Rendering API cleanup (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 2 months ago
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« Source/core/rendering/RenderFlowThread.cpp ('K') | « Source/core/rendering/RenderInline.cpp ('k') | Source/core/rendering/RenderLayer.cpp » ('j') | Source/core/rendering/RenderLayer.cpp » ('J')
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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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174 bool hasVisibleContent() const { ASSERT(!m_visibleContentStatusDirty); retur n m_hasVisibleContent; } 174 bool hasVisibleContent() const { ASSERT(!m_visibleContentStatusDirty); retur n m_hasVisibleContent; }
175 175
176 // FIXME: hasVisibleDescendant() should call updateDescendantDependentFlags( ) if m_visibleDescendantStatusDirty. 176 // FIXME: hasVisibleDescendant() should call updateDescendantDependentFlags( ) if m_visibleDescendantStatusDirty.
177 bool hasVisibleDescendant() const { ASSERT(!m_visibleDescendantStatusDirty); return m_hasVisibleDescendant; } 177 bool hasVisibleDescendant() const { ASSERT(!m_visibleDescendantStatusDirty); return m_hasVisibleDescendant; }
178 178
179 void dirtyVisibleContentStatus(); 179 void dirtyVisibleContentStatus();
180 void potentiallyDirtyVisibleContentStatus(EVisibility); 180 void potentiallyDirtyVisibleContentStatus(EVisibility);
181 181
182 bool hasBoxDecorationsOrBackground() const; 182 bool hasBoxDecorationsOrBackground() const;
183 bool hasVisibleBoxDecorations() const; 183 bool hasVisibleBoxDecorations() const;
184 // Returns true if this layer has visible content (ignoring any child layers ).
185 bool isVisuallyNonEmpty() const;
186 // True if this layer container renderers that paint. 184 // True if this layer container renderers that paint.
187 bool hasNonEmptyChildRenderers() const; 185 bool hasNonEmptyChildRenderers() const;
188 186
189 // Will ensure that hasNonCompositiedChild are up to date. 187 // Will ensure that hasNonCompositiedChild are up to date.
190 void updateScrollingStateAfterCompositingChange(); 188 void updateScrollingStateAfterCompositingChange();
191 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent; } 189 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent; }
192 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState ()); return m_hasNonCompositedChild; } 190 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState ()); return m_hasNonCompositedChild; }
193 191
194 bool usedTransparency() const { return m_usedTransparency; } 192 bool usedTransparency() const { return m_usedTransparency; }
195 193
196 // Gets the nearest enclosing positioned ancestor layer (also includes 194 // Gets the nearest enclosing positioned ancestor layer (also includes
197 // the <html> layer and the root layer). 195 // the <html> layer and the root layer).
198 RenderLayer* enclosingPositionedAncestor() const; 196 RenderLayer* enclosingPositionedAncestor() const;
199 197
200 RenderLayer* enclosingOverflowClipLayer(IncludeSelfOrNot = IncludeSelf) cons t;
201
202 bool isPaintInvalidationContainer() const; 198 bool isPaintInvalidationContainer() const;
203 199
204 // Do *not* call this method unless you know what you are dooing. You probab ly want to call enclosingCompositingLayerForPaintInvalidation() instead. 200 // Do *not* call this method unless you know what you are dooing. You probab ly want to call enclosingCompositingLayerForPaintInvalidation() instead.
205 // If includeSelf is true, may return this. 201 // If includeSelf is true, may return this.
206 RenderLayer* enclosingLayerWithCompositedLayerMapping(IncludeSelfOrNot) cons t; 202 RenderLayer* enclosingLayerWithCompositedLayerMapping(IncludeSelfOrNot) cons t;
207 203
208 // Returns the enclosing layer root into which this layer paints, inclusive of this one. Note that the enclosing layer may or may not have its own 204 // Returns the enclosing layer root into which this layer paints, inclusive of this one. Note that the enclosing layer may or may not have its own
209 // GraphicsLayer backing, but is nevertheless the root for a call to the Ren derLayer::paint*() methods. 205 // GraphicsLayer backing, but is nevertheless the root for a call to the Ren derLayer::paint*() methods.
210 RenderLayer* enclosingLayerForPaintInvalidation() const; 206 RenderLayer* enclosingLayerForPaintInvalidation() const;
211 207
212 RenderLayer* enclosingLayerForPaintInvalidationCrossingFrameBoundaries() con st; 208 RenderLayer* enclosingLayerForPaintInvalidationCrossingFrameBoundaries() con st;
213 209
214 bool hasAncestorWithFilterOutsets() const; 210 bool hasAncestorWithFilterOutsets() const;
215 211
216 bool canUseConvertToLayerCoords() const 212 bool canUseConvertToLayerCoords() const
217 { 213 {
218 // These RenderObjects have an impact on their layers without the render ers knowing about it. 214 // These RenderObjects have an impact on their layers without the render ers knowing about it.
219 return !renderer()->hasColumns() && !renderer()->hasTransform() && !rend erer()->isSVGRoot(); 215 return !renderer()->hasColumns() && !renderer()->hasTransform() && !rend erer()->isSVGRoot();
220 } 216 }
221 217
222 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutPoint&) co nst; 218 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutPoint&) co nst;
223 void convertToLayerCoords(const RenderLayer* ancestorLayer, LayoutRect&) con st;
224 219
225 // The two main functions that use the layer system. The paint method 220 // The two main functions that use the layer system. The paint method
226 // paints the layers that intersect the damage rect from back to 221 // paints the layers that intersect the damage rect from back to
227 // front. The hitTest method looks for mouse events by walking 222 // front. The hitTest method looks for mouse events by walking
228 // layers that intersect the point from front to back. 223 // layers that intersect the point from front to back.
229 // paint() assumes that the caller will clip to the bounds of damageRect if necessary. 224 // paint() assumes that the caller will clip to the bounds of damageRect if necessary.
230 void paint(GraphicsContext*, const LayoutRect& damageRect, PaintBehavior = P aintBehaviorNormal, RenderObject* paintingRoot = 0, PaintLayerFlags = 0); 225 void paint(GraphicsContext*, const LayoutRect& damageRect, PaintBehavior = P aintBehaviorNormal, RenderObject* paintingRoot = 0, PaintLayerFlags = 0);
231 bool hitTest(const HitTestRequest&, HitTestResult&); 226 bool hitTest(const HitTestRequest&, HitTestResult&);
232 bool hitTest(const HitTestRequest&, const HitTestLocation&, HitTestResult&); 227 bool hitTest(const HitTestRequest&, const HitTestLocation&, HitTestResult&);
233 void paintOverlayScrollbars(GraphicsContext*, const LayoutRect& damageRect, PaintBehavior, RenderObject* paintingRoot = 0); 228 void paintOverlayScrollbars(GraphicsContext*, const LayoutRect& damageRect, PaintBehavior, RenderObject* paintingRoot = 0);
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522 void didUpdateNeedsCompositedScrolling(); 517 void didUpdateNeedsCompositedScrolling();
523 518
524 void setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants(); 519 void setShouldDoFullPaintInvalidationIncludingNonCompositingDescendants();
525 520
526 private: 521 private:
527 // Bounding box in the coordinates of this layer. 522 // Bounding box in the coordinates of this layer.
528 LayoutRect logicalBoundingBox() const; 523 LayoutRect logicalBoundingBox() const;
529 524
530 bool hasOverflowControls() const; 525 bool hasOverflowControls() const;
531 526
532 void setAncestorChainHasSelfPaintingLayerDescendant();
533 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus(); 527 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus();
534 528
535 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&, PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius); 529 void clipToRect(const LayerPaintingInfo&, GraphicsContext*, const ClipRect&, PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius);
536 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C lipRect&); 530 void restoreClip(GraphicsContext*, const LayoutRect& paintDirtyRect, const C lipRect&);
537 531
538 void updateLayerPositionRecursive(); 532 void updateLayerPositionRecursive();
539 533
540 void setNextSibling(RenderLayer* next) { m_next = next; } 534 void setNextSibling(RenderLayer* next) { m_next = next; }
541 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; } 535 void setPreviousSibling(RenderLayer* prev) { m_previous = prev; }
542 void setFirstChild(RenderLayer* first) { m_first = first; } 536 void setFirstChild(RenderLayer* first) { m_first = first; }
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740 734
741 } // namespace blink 735 } // namespace blink
742 736
743 #ifndef NDEBUG 737 #ifndef NDEBUG
744 // Outside the WebCore namespace for ease of invocation from gdb. 738 // Outside the WebCore namespace for ease of invocation from gdb.
745 void showLayerTree(const blink::RenderLayer*); 739 void showLayerTree(const blink::RenderLayer*);
746 void showLayerTree(const blink::RenderObject*); 740 void showLayerTree(const blink::RenderObject*);
747 #endif 741 #endif
748 742
749 #endif // RenderLayer_h 743 #endif // RenderLayer_h
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« Source/core/rendering/RenderFlowThread.cpp ('K') | « Source/core/rendering/RenderInline.cpp ('k') | Source/core/rendering/RenderLayer.cpp » ('j') | Source/core/rendering/RenderLayer.cpp » ('J')

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