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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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42 * version of this file under any of the LGPL, the MPL or the GPL. | 42 * version of this file under any of the LGPL, the MPL or the GPL. |
43 */ | 43 */ |
44 | 44 |
45 #ifndef RenderLayer_h | 45 #ifndef RenderLayer_h |
46 #define RenderLayer_h | 46 #define RenderLayer_h |
47 | 47 |
48 #include "core/rendering/LayerFragment.h" | 48 #include "core/rendering/LayerFragment.h" |
49 #include "core/rendering/LayerPaintingInfo.h" | 49 #include "core/rendering/LayerPaintingInfo.h" |
50 #include "core/rendering/RenderBox.h" | 50 #include "core/rendering/RenderBox.h" |
51 #include "core/rendering/RenderLayerBlendInfo.h" | 51 #include "core/rendering/RenderLayerBlendInfo.h" |
| 52 #include "core/rendering/RenderLayerClipPathInfo.h" |
52 #include "core/rendering/RenderLayerClipper.h" | 53 #include "core/rendering/RenderLayerClipper.h" |
53 #include "core/rendering/RenderLayerFilterInfo.h" | 54 #include "core/rendering/RenderLayerFilterInfo.h" |
54 #include "core/rendering/RenderLayerReflectionInfo.h" | 55 #include "core/rendering/RenderLayerReflectionInfo.h" |
55 #include "core/rendering/RenderLayerRepainter.h" | 56 #include "core/rendering/RenderLayerRepainter.h" |
56 #include "core/rendering/RenderLayerScrollableArea.h" | 57 #include "core/rendering/RenderLayerScrollableArea.h" |
57 #include "core/rendering/RenderLayerStackingNode.h" | 58 #include "core/rendering/RenderLayerStackingNode.h" |
58 #include "core/rendering/RenderLayerStackingNodeIterator.h" | 59 #include "core/rendering/RenderLayerStackingNodeIterator.h" |
59 #include "core/rendering/compositing/CompositedLayerMappingPtr.h" | 60 #include "core/rendering/compositing/CompositedLayerMappingPtr.h" |
60 #include "platform/graphics/CompositingReasons.h" | 61 #include "platform/graphics/CompositingReasons.h" |
61 #include "wtf/OwnPtr.h" | 62 #include "wtf/OwnPtr.h" |
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378 { | 379 { |
379 if (hasFilterInfo()) | 380 if (hasFilterInfo()) |
380 RenderLayerFilterInfo::removeFilterInfoForRenderLayer(this); | 381 RenderLayerFilterInfo::removeFilterInfoForRenderLayer(this); |
381 } | 382 } |
382 | 383 |
383 bool hasFilterInfo() const { return m_hasFilterInfo; } | 384 bool hasFilterInfo() const { return m_hasFilterInfo; } |
384 void setHasFilterInfo(bool hasFilterInfo) { m_hasFilterInfo = hasFilterInfo;
} | 385 void setHasFilterInfo(bool hasFilterInfo) { m_hasFilterInfo = hasFilterInfo;
} |
385 | 386 |
386 void updateFilters(const RenderStyle* oldStyle, const RenderStyle* newStyle)
; | 387 void updateFilters(const RenderStyle* oldStyle, const RenderStyle* newStyle)
; |
387 | 388 |
| 389 bool hasClipPath() const |
| 390 { |
| 391 return renderer()->hasClipPath(); |
| 392 } |
| 393 bool hasClipPathInfo() const |
| 394 { |
| 395 return m_hasClipPathInfo; |
| 396 } |
| 397 void setHasClipPathInfo(bool hasClipPathInfo) |
| 398 { |
| 399 m_hasClipPathInfo = hasClipPathInfo; |
| 400 } |
| 401 void updateClipPath(const RenderStyle* oldStyle, const RenderStyle* newStyle
); |
| 402 void removeClipPathInfoIfNeeded() |
| 403 { |
| 404 if (hasClipPathInfo()) |
| 405 RenderLayerClipPathInfo::removeClipPathInfoForRenderLayer(this); |
| 406 } |
| 407 RenderLayerClipPathInfo* clipPathInfo() const |
| 408 { |
| 409 return hasClipPathInfo() ? RenderLayerClipPathInfo::clipPathInfoForRende
rLayer(this) : 0; |
| 410 } |
| 411 RenderLayerClipPathInfo* ensureClipPathInfo() |
| 412 { |
| 413 return RenderLayerClipPathInfo::createClipPathInfoForRenderLayerIfNeeded
(this); |
| 414 } |
| 415 |
388 Node* enclosingElement() const; | 416 Node* enclosingElement() const; |
389 | 417 |
390 bool isInTopLayer() const; | 418 bool isInTopLayer() const; |
391 | 419 |
392 enum ViewportConstrainedNotCompositedReason { | 420 enum ViewportConstrainedNotCompositedReason { |
393 NoNotCompositedReason = 0, | 421 NoNotCompositedReason = 0, |
394 NotCompositedForBoundsOutOfView, | 422 NotCompositedForBoundsOutOfView, |
395 NotCompositedForNonViewContainer, | 423 NotCompositedForNonViewContainer, |
396 NotCompositedForNoVisibleContent, | 424 NotCompositedForNoVisibleContent, |
397 NotCompositedForUnscrollableAncestors, | 425 NotCompositedForUnscrollableAncestors, |
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652 void setAncestorChainHasVisibleDescendant(); | 680 void setAncestorChainHasVisibleDescendant(); |
653 | 681 |
654 bool attemptDirectCompositingUpdate(StyleDifference, const RenderStyle* oldS
tyle); | 682 bool attemptDirectCompositingUpdate(StyleDifference, const RenderStyle* oldS
tyle); |
655 void updateTransform(const RenderStyle* oldStyle, RenderStyle* newStyle); | 683 void updateTransform(const RenderStyle* oldStyle, RenderStyle* newStyle); |
656 | 684 |
657 void dirty3DTransformedDescendantStatus(); | 685 void dirty3DTransformedDescendantStatus(); |
658 // Both updates the status, and returns true if descendants of this have 3d. | 686 // Both updates the status, and returns true if descendants of this have 3d. |
659 bool update3DTransformedDescendantStatus(); | 687 bool update3DTransformedDescendantStatus(); |
660 | 688 |
661 void updateOrRemoveFilterClients(); | 689 void updateOrRemoveFilterClients(); |
| 690 void updateOrRemoveClipPathClients(); |
662 | 691 |
663 LayoutRect paintingExtent(const RenderLayer* rootLayer, const LayoutRect& pa
intDirtyRect, const LayoutSize& subPixelAccumulation, PaintBehavior); | 692 LayoutRect paintingExtent(const RenderLayer* rootLayer, const LayoutRect& pa
intDirtyRect, const LayoutSize& subPixelAccumulation, PaintBehavior); |
664 | 693 |
665 void updatePagination(); | 694 void updatePagination(); |
666 | 695 |
667 // FIXME: Temporary. Remove when new columns come online. | 696 // FIXME: Temporary. Remove when new columns come online. |
668 bool useRegionBasedColumns() const; | 697 bool useRegionBasedColumns() const; |
669 | 698 |
670 LayerType m_layerType; | 699 LayerType m_layerType; |
671 | 700 |
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695 unsigned m_isPaginated : 1; // If we think this layer is split by a multi-co
lumn ancestor, then this bit will be set. | 724 unsigned m_isPaginated : 1; // If we think this layer is split by a multi-co
lumn ancestor, then this bit will be set. |
696 | 725 |
697 unsigned m_3DTransformedDescendantStatusDirty : 1; | 726 unsigned m_3DTransformedDescendantStatusDirty : 1; |
698 // Set on a stacking context layer that has 3D descendants anywhere | 727 // Set on a stacking context layer that has 3D descendants anywhere |
699 // in a preserves3D hierarchy. Hint to do 3D-aware hit testing. | 728 // in a preserves3D hierarchy. Hint to do 3D-aware hit testing. |
700 unsigned m_has3DTransformedDescendant : 1; | 729 unsigned m_has3DTransformedDescendant : 1; |
701 | 730 |
702 unsigned m_containsDirtyOverlayScrollbars : 1; | 731 unsigned m_containsDirtyOverlayScrollbars : 1; |
703 | 732 |
704 unsigned m_hasFilterInfo : 1; | 733 unsigned m_hasFilterInfo : 1; |
| 734 unsigned m_hasClipPathInfo : 1; |
705 unsigned m_needsAncestorDependentCompositingInputsUpdate : 1; | 735 unsigned m_needsAncestorDependentCompositingInputsUpdate : 1; |
706 unsigned m_needsDescendantDependentCompositingInputsUpdate : 1; | 736 unsigned m_needsDescendantDependentCompositingInputsUpdate : 1; |
707 unsigned m_childNeedsCompositingInputsUpdate : 1; | 737 unsigned m_childNeedsCompositingInputsUpdate : 1; |
708 | 738 |
709 // Used only while determining what layers should be composited. Applies to
the tree of z-order lists. | 739 // Used only while determining what layers should be composited. Applies to
the tree of z-order lists. |
710 unsigned m_hasCompositingDescendant : 1; | 740 unsigned m_hasCompositingDescendant : 1; |
711 | 741 |
712 // Applies to the real render layer tree (i.e., the tree determined by the l
ayer's parent and children and | 742 // Applies to the real render layer tree (i.e., the tree determined by the l
ayer's parent and children and |
713 // as opposed to the tree formed by the z-order and normal flow lists). | 743 // as opposed to the tree formed by the z-order and normal flow lists). |
714 unsigned m_hasNonCompositedChild : 1; | 744 unsigned m_hasNonCompositedChild : 1; |
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777 | 807 |
778 } // namespace blink | 808 } // namespace blink |
779 | 809 |
780 #ifndef NDEBUG | 810 #ifndef NDEBUG |
781 // Outside the WebCore namespace for ease of invocation from gdb. | 811 // Outside the WebCore namespace for ease of invocation from gdb. |
782 void showLayerTree(const blink::RenderLayer*); | 812 void showLayerTree(const blink::RenderLayer*); |
783 void showLayerTree(const blink::RenderObject*); | 813 void showLayerTree(const blink::RenderObject*); |
784 #endif | 814 #endif |
785 | 815 |
786 #endif // RenderLayer_h | 816 #endif // RenderLayer_h |
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