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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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| 178 bool hasBoxDecorationsOrBackground() const; | 178 bool hasBoxDecorationsOrBackground() const; |
| 179 bool hasVisibleBoxDecorations() const; | 179 bool hasVisibleBoxDecorations() const; |
| 180 // True if this layer container renderers that paint. | 180 // True if this layer container renderers that paint. |
| 181 bool hasNonEmptyChildRenderers() const; | 181 bool hasNonEmptyChildRenderers() const; |
| 182 | 182 |
| 183 // Will ensure that hasNonCompositiedChild are up to date. | 183 // Will ensure that hasNonCompositiedChild are up to date. |
| 184 void updateScrollingStateAfterCompositingChange(); | 184 void updateScrollingStateAfterCompositingChange(); |
| 185 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent;
} | 185 bool hasVisibleNonLayerContent() const { return m_hasVisibleNonLayerContent;
} |
| 186 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState
()); return m_hasNonCompositedChild; } | 186 bool hasNonCompositedChild() const { ASSERT(isAllowedToQueryCompositingState
()); return m_hasNonCompositedChild; } |
| 187 | 187 |
| 188 bool usedTransparency() const { return m_usedTransparency; } | |
| 189 void setUsedTransparency(bool usedTransparency) { m_usedTransparency = usedT
ransparency; } | |
| 190 | |
| 191 // Gets the nearest enclosing positioned ancestor layer (also includes | 188 // Gets the nearest enclosing positioned ancestor layer (also includes |
| 192 // the <html> layer and the root layer). | 189 // the <html> layer and the root layer). |
| 193 RenderLayer* enclosingPositionedAncestor() const; | 190 RenderLayer* enclosingPositionedAncestor() const; |
| 194 | 191 |
| 195 bool isPaintInvalidationContainer() const; | 192 bool isPaintInvalidationContainer() const; |
| 196 | 193 |
| 197 // Do *not* call this method unless you know what you are dooing. You probab
ly want to call enclosingCompositingLayerForPaintInvalidation() instead. | 194 // Do *not* call this method unless you know what you are dooing. You probab
ly want to call enclosingCompositingLayerForPaintInvalidation() instead. |
| 198 // If includeSelf is true, may return this. | 195 // If includeSelf is true, may return this. |
| 199 RenderLayer* enclosingLayerWithCompositedLayerMapping(IncludeSelfOrNot) cons
t; | 196 RenderLayer* enclosingLayerWithCompositedLayerMapping(IncludeSelfOrNot) cons
t; |
| 200 | 197 |
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| 600 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov
erflow-only concept. | 597 // FIXME(crbug.com/332791): Self-painting layer should be merged into the ov
erflow-only concept. |
| 601 unsigned m_isSelfPaintingLayer : 1; | 598 unsigned m_isSelfPaintingLayer : 1; |
| 602 | 599 |
| 603 // If have no self-painting descendants, we don't have to walk our children
during painting. This can lead to | 600 // If have no self-painting descendants, we don't have to walk our children
during painting. This can lead to |
| 604 // significant savings, especially if the tree has lots of non-self-painting
layers grouped together (e.g. table cells). | 601 // significant savings, especially if the tree has lots of non-self-painting
layers grouped together (e.g. table cells). |
| 605 mutable unsigned m_hasSelfPaintingLayerDescendant : 1; | 602 mutable unsigned m_hasSelfPaintingLayerDescendant : 1; |
| 606 mutable unsigned m_hasSelfPaintingLayerDescendantDirty : 1; | 603 mutable unsigned m_hasSelfPaintingLayerDescendantDirty : 1; |
| 607 | 604 |
| 608 const unsigned m_isRootLayer : 1; | 605 const unsigned m_isRootLayer : 1; |
| 609 | 606 |
| 610 unsigned m_usedTransparency : 1; // Tracks whether we need to close a transp
arent layer, i.e., whether | |
| 611 // we ended up painting this layer or any desce
ndants (and therefore need to | |
| 612 // blend). | |
| 613 | |
| 614 unsigned m_visibleContentStatusDirty : 1; | 607 unsigned m_visibleContentStatusDirty : 1; |
| 615 unsigned m_hasVisibleContent : 1; | 608 unsigned m_hasVisibleContent : 1; |
| 616 unsigned m_visibleDescendantStatusDirty : 1; | 609 unsigned m_visibleDescendantStatusDirty : 1; |
| 617 unsigned m_hasVisibleDescendant : 1; | 610 unsigned m_hasVisibleDescendant : 1; |
| 618 | 611 |
| 619 unsigned m_hasVisibleNonLayerContent : 1; | 612 unsigned m_hasVisibleNonLayerContent : 1; |
| 620 | 613 |
| 621 unsigned m_isPaginated : 1; // If we think this layer is split by a multi-co
lumn ancestor, then this bit will be set. | 614 unsigned m_isPaginated : 1; // If we think this layer is split by a multi-co
lumn ancestor, then this bit will be set. |
| 622 | 615 |
| 623 unsigned m_3DTransformedDescendantStatusDirty : 1; | 616 unsigned m_3DTransformedDescendantStatusDirty : 1; |
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| 689 | 682 |
| 690 } // namespace blink | 683 } // namespace blink |
| 691 | 684 |
| 692 #ifndef NDEBUG | 685 #ifndef NDEBUG |
| 693 // Outside the WebCore namespace for ease of invocation from gdb. | 686 // Outside the WebCore namespace for ease of invocation from gdb. |
| 694 void showLayerTree(const blink::RenderLayer*); | 687 void showLayerTree(const blink::RenderLayer*); |
| 695 void showLayerTree(const blink::RenderObject*); | 688 void showLayerTree(const blink::RenderObject*); |
| 696 #endif | 689 #endif |
| 697 | 690 |
| 698 #endif // RenderLayer_h | 691 #endif // RenderLayer_h |
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Chromium Code Reviews
Issue 727633002:
Get rid of the one remaining extra call to LayerPainter::beginTransparencyLayers. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk