OLD | NEW |
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> |
(...skipping 251 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
262 LayoutRect rect() const { return LayoutRect(location(), LayoutSize(size()));
} | 262 LayoutRect rect() const { return LayoutRect(location(), LayoutSize(size()));
} |
263 | 263 |
264 bool isRootLayer() const { return m_isRootLayer; } | 264 bool isRootLayer() const { return m_isRootLayer; } |
265 | 265 |
266 PaintLayerCompositor* compositor() const; | 266 PaintLayerCompositor* compositor() const; |
267 | 267 |
268 // Notification from the layoutObject that its content changed (e.g. current
frame of image changed). | 268 // Notification from the layoutObject that its content changed (e.g. current
frame of image changed). |
269 // Allows updates of layer content without invalidating paint. | 269 // Allows updates of layer content without invalidating paint. |
270 void contentChanged(ContentChangeType); | 270 void contentChanged(ContentChangeType); |
271 | 271 |
| 272 void updateLayerPosition(); |
| 273 |
272 void updateLayerPositionsAfterLayout(); | 274 void updateLayerPositionsAfterLayout(); |
273 void updateLayerPositionsAfterOverflowScroll(const DoubleSize& scrollDelta); | 275 void updateLayerPositionsAfterOverflowScroll(const DoubleSize& scrollDelta); |
274 | 276 |
275 PaintLayer* enclosingPaginationLayer() const { return m_rareData ? m_rareDat
a->enclosingPaginationLayer : nullptr; } | 277 PaintLayer* enclosingPaginationLayer() const { return m_rareData ? m_rareDat
a->enclosingPaginationLayer : nullptr; } |
276 | 278 |
277 void updateTransformationMatrix(); | 279 void updateTransformationMatrix(); |
278 PaintLayer* renderingContextRoot(); | 280 PaintLayer* renderingContextRoot(); |
279 const PaintLayer* renderingContextRoot() const; | 281 const PaintLayer* renderingContextRoot() const; |
280 | 282 |
281 LayoutSize offsetForInFlowPosition() const { return m_rareData ? m_rareData-
>offsetForInFlowPosition : LayoutSize(); } | 283 LayoutSize offsetForInFlowPosition() const { return m_rareData ? m_rareData-
>offsetForInFlowPosition : LayoutSize(); } |
(...skipping 247 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
529 , nearestFixedPositionLayer(nullptr) | 531 , nearestFixedPositionLayer(nullptr) |
530 , scrollParent(nullptr) | 532 , scrollParent(nullptr) |
531 , clipParent(nullptr) | 533 , clipParent(nullptr) |
532 { } | 534 { } |
533 | 535 |
534 bool isDefault() const { return !opacityAncestor && !transformAncestor &
& !filterAncestor && !ancestorScrollingLayer && !nearestFixedPositionLayer && !s
crollParent && !clipParent; } | 536 bool isDefault() const { return !opacityAncestor && !transformAncestor &
& !filterAncestor && !ancestorScrollingLayer && !nearestFixedPositionLayer && !s
crollParent && !clipParent; } |
535 | 537 |
536 const PaintLayer* opacityAncestor; | 538 const PaintLayer* opacityAncestor; |
537 const PaintLayer* transformAncestor; | 539 const PaintLayer* transformAncestor; |
538 const PaintLayer* filterAncestor; | 540 const PaintLayer* filterAncestor; |
| 541 |
| 542 // The fist ancestor which can scroll. This is a subset of the |
| 543 // ancestorOverflowLayer chain where the scrolling layer is visible and |
| 544 // has a larger scroll content than its bounds. |
539 const PaintLayer* ancestorScrollingLayer; | 545 const PaintLayer* ancestorScrollingLayer; |
540 const PaintLayer* nearestFixedPositionLayer; | 546 const PaintLayer* nearestFixedPositionLayer; |
541 | 547 |
542 // A scroll parent is a compositor concept. It's only needed in blink | 548 // A scroll parent is a compositor concept. It's only needed in blink |
543 // because we need to use it as a promotion trigger. A layer has a | 549 // because we need to use it as a promotion trigger. A layer has a |
544 // scroll parent if neither its compositor scrolling ancestor, nor any | 550 // scroll parent if neither its compositor scrolling ancestor, nor any |
545 // other layer scrolled by this ancestor, is a stacking ancestor of this | 551 // other layer scrolled by this ancestor, is a stacking ancestor of this |
546 // layer. Layers with scroll parents must be scrolled with the main | 552 // layer. Layers with scroll parents must be scrolled with the main |
547 // scrolling layer by the compositor. | 553 // scrolling layer by the compositor. |
548 const PaintLayer* scrollParent; | 554 const PaintLayer* scrollParent; |
549 | 555 |
550 // A clip parent is another compositor concept that has leaked into | 556 // A clip parent is another compositor concept that has leaked into |
551 // blink so that it may be used as a promotion trigger. Layers with clip | 557 // blink so that it may be used as a promotion trigger. Layers with clip |
552 // parents escape the clip of a stacking tree ancestor. The compositor | 558 // parents escape the clip of a stacking tree ancestor. The compositor |
553 // needs to know about clip parents in order to circumvent its normal | 559 // needs to know about clip parents in order to circumvent its normal |
554 // clipping logic. | 560 // clipping logic. |
555 const PaintLayer* clipParent; | 561 const PaintLayer* clipParent; |
556 }; | 562 }; |
557 | 563 |
558 void setNeedsCompositingInputsUpdate(); | 564 void setNeedsCompositingInputsUpdate(); |
559 bool childNeedsCompositingInputsUpdate() const { return m_childNeedsComposit
ingInputsUpdate; } | 565 bool childNeedsCompositingInputsUpdate() const { return m_childNeedsComposit
ingInputsUpdate; } |
560 bool needsCompositingInputsUpdate() const | 566 bool needsCompositingInputsUpdate() const |
561 { | 567 { |
562 // While we're updating the compositing inputs, these values may differ. | 568 // While we're updating the compositing inputs, these values may differ. |
563 // We should never be asking for this value when that is the case. | 569 // We should never be asking for this value when that is the case. |
564 ASSERT(m_needsDescendantDependentCompositingInputsUpdate == m_needsAnces
torDependentCompositingInputsUpdate); | 570 ASSERT(m_needsDescendantDependentCompositingInputsUpdate == m_needsAnces
torDependentCompositingInputsUpdate); |
565 return m_needsDescendantDependentCompositingInputsUpdate; | 571 return m_needsDescendantDependentCompositingInputsUpdate; |
566 } | 572 } |
567 | 573 |
| 574 void updateAncestorOverflowLayer(const PaintLayer* ancestorOverflowLayer) {
m_ancestorOverflowLayer = ancestorOverflowLayer; } |
568 void updateAncestorDependentCompositingInputs(const AncestorDependentComposi
tingInputs&, const RareAncestorDependentCompositingInputs&, bool hasAncestorWith
ClipPath); | 575 void updateAncestorDependentCompositingInputs(const AncestorDependentComposi
tingInputs&, const RareAncestorDependentCompositingInputs&, bool hasAncestorWith
ClipPath); |
569 void updateDescendantDependentCompositingInputs(bool hasDescendantWithClipPa
th, bool hasNonIsolatedDescendantWithBlendMode); | 576 void updateDescendantDependentCompositingInputs(bool hasDescendantWithClipPa
th, bool hasNonIsolatedDescendantWithBlendMode); |
570 void didUpdateCompositingInputs(); | 577 void didUpdateCompositingInputs(); |
571 | 578 |
572 IntRect clippedAbsoluteBoundingBox() const { ASSERT(!m_needsAncestorDependen
tCompositingInputsUpdate); return m_ancestorDependentCompositingInputs.clippedAb
soluteBoundingBox; } | 579 IntRect clippedAbsoluteBoundingBox() const { ASSERT(!m_needsAncestorDependen
tCompositingInputsUpdate); return m_ancestorDependentCompositingInputs.clippedAb
soluteBoundingBox; } |
573 const PaintLayer* opacityAncestor() const { ASSERT(!m_needsAncestorDependent
CompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_ra
reAncestorDependentCompositingInputs->opacityAncestor : nullptr; } | 580 const PaintLayer* opacityAncestor() const { ASSERT(!m_needsAncestorDependent
CompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_ra
reAncestorDependentCompositingInputs->opacityAncestor : nullptr; } |
574 const PaintLayer* transformAncestor() const { ASSERT(!m_needsAncestorDepende
ntCompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_
rareAncestorDependentCompositingInputs->transformAncestor : nullptr; } | 581 const PaintLayer* transformAncestor() const { ASSERT(!m_needsAncestorDepende
ntCompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_
rareAncestorDependentCompositingInputs->transformAncestor : nullptr; } |
575 const PaintLayer* filterAncestor() const { ASSERT(!m_needsAncestorDependentC
ompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rar
eAncestorDependentCompositingInputs->filterAncestor : nullptr; } | 582 const PaintLayer* filterAncestor() const { ASSERT(!m_needsAncestorDependentC
ompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rar
eAncestorDependentCompositingInputs->filterAncestor : nullptr; } |
576 const LayoutObject* clippingContainer() const { ASSERT(!m_needsAncestorDepen
dentCompositingInputsUpdate); return m_ancestorDependentCompositingInputs.clippi
ngContainer; } | 583 const LayoutObject* clippingContainer() const { ASSERT(!m_needsAncestorDepen
dentCompositingInputsUpdate); return m_ancestorDependentCompositingInputs.clippi
ngContainer; } |
| 584 const PaintLayer* ancestorOverflowLayer() const { return m_ancestorOverflowL
ayer; } |
577 const PaintLayer* ancestorScrollingLayer() const { ASSERT(!m_needsAncestorDe
pendentCompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs
? m_rareAncestorDependentCompositingInputs->ancestorScrollingLayer : nullptr; } | 585 const PaintLayer* ancestorScrollingLayer() const { ASSERT(!m_needsAncestorDe
pendentCompositingInputsUpdate); return m_rareAncestorDependentCompositingInputs
? m_rareAncestorDependentCompositingInputs->ancestorScrollingLayer : nullptr; } |
578 const PaintLayer* nearestFixedPositionLayer() const { ASSERT(!m_needsAncesto
rDependentCompositingInputsUpdate); return m_rareAncestorDependentCompositingInp
uts ? m_rareAncestorDependentCompositingInputs->nearestFixedPositionLayer : null
ptr; } | 586 const PaintLayer* nearestFixedPositionLayer() const { ASSERT(!m_needsAncesto
rDependentCompositingInputsUpdate); return m_rareAncestorDependentCompositingInp
uts ? m_rareAncestorDependentCompositingInputs->nearestFixedPositionLayer : null
ptr; } |
579 const PaintLayer* scrollParent() const { ASSERT(!m_needsAncestorDependentCom
positingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rareA
ncestorDependentCompositingInputs->scrollParent : nullptr; } | 587 const PaintLayer* scrollParent() const { ASSERT(!m_needsAncestorDependentCom
positingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rareA
ncestorDependentCompositingInputs->scrollParent : nullptr; } |
580 const PaintLayer* clipParent() const { ASSERT(!m_needsAncestorDependentCompo
sitingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rareAnc
estorDependentCompositingInputs->clipParent : nullptr; } | 588 const PaintLayer* clipParent() const { ASSERT(!m_needsAncestorDependentCompo
sitingInputsUpdate); return m_rareAncestorDependentCompositingInputs ? m_rareAnc
estorDependentCompositingInputs->clipParent : nullptr; } |
581 bool hasAncestorWithClipPath() const { ASSERT(!m_needsAncestorDependentCompo
sitingInputsUpdate); return m_hasAncestorWithClipPath; } | 589 bool hasAncestorWithClipPath() const { ASSERT(!m_needsAncestorDependentCompo
sitingInputsUpdate); return m_hasAncestorWithClipPath; } |
582 bool hasDescendantWithClipPath() const { ASSERT(!m_needsDescendantDependentC
ompositingInputsUpdate); return m_hasDescendantWithClipPath; } | 590 bool hasDescendantWithClipPath() const { ASSERT(!m_needsDescendantDependentC
ompositingInputsUpdate); return m_hasDescendantWithClipPath; } |
583 bool hasNonIsolatedDescendantWithBlendMode() const; | 591 bool hasNonIsolatedDescendantWithBlendMode() const; |
584 | 592 |
585 bool lostGroupedMapping() const { ASSERT(isAllowedToQueryCompositingState())
; return m_lostGroupedMapping; } | 593 bool lostGroupedMapping() const { ASSERT(isAllowedToQueryCompositingState())
; return m_lostGroupedMapping; } |
586 void setLostGroupedMapping(bool b) { m_lostGroupedMapping = b; } | 594 void setLostGroupedMapping(bool b) { m_lostGroupedMapping = b; } |
(...skipping 97 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
684 void clearClipRectsCache() const { m_clipRectsCache.clear(); } | 692 void clearClipRectsCache() const { m_clipRectsCache.clear(); } |
685 | 693 |
686 private: | 694 private: |
687 // Bounding box in the coordinates of this layer. | 695 // Bounding box in the coordinates of this layer. |
688 LayoutRect logicalBoundingBox() const; | 696 LayoutRect logicalBoundingBox() const; |
689 | 697 |
690 bool hasOverflowControls() const; | 698 bool hasOverflowControls() const; |
691 | 699 |
692 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus(); | 700 void dirtyAncestorChainHasSelfPaintingLayerDescendantStatus(); |
693 | 701 |
694 // Returns true if the position changed. | |
695 bool updateLayerPosition(); | |
696 | |
697 void updateLayerPositionRecursive(); | 702 void updateLayerPositionRecursive(); |
698 void updateLayerPositionsAfterScrollRecursive(const DoubleSize& scrollDelta,
bool paintInvalidationContainerWasScrolled); | 703 void updateLayerPositionsAfterScrollRecursive(const DoubleSize& scrollDelta,
bool paintInvalidationContainerWasScrolled); |
699 | 704 |
700 void setNextSibling(PaintLayer* next) { m_next = next; } | 705 void setNextSibling(PaintLayer* next) { m_next = next; } |
701 void setPreviousSibling(PaintLayer* prev) { m_previous = prev; } | 706 void setPreviousSibling(PaintLayer* prev) { m_previous = prev; } |
702 void setFirstChild(PaintLayer* first) { m_first = first; } | 707 void setFirstChild(PaintLayer* first) { m_first = first; } |
703 void setLastChild(PaintLayer* last) { m_last = last; } | 708 void setLastChild(PaintLayer* last) { m_last = last; } |
704 | 709 |
705 void updateHasSelfPaintingLayerDescendant() const; | 710 void updateHasSelfPaintingLayerDescendant() const; |
706 PaintLayer* hitTestLayer(PaintLayer* rootLayer, PaintLayer* containerLayer,
HitTestResult&, | 711 PaintLayer* hitTestLayer(PaintLayer* rootLayer, PaintLayer* containerLayer,
HitTestResult&, |
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
841 // The layer's size. | 846 // The layer's size. |
842 // | 847 // |
843 // If the associated LayoutBoxModelObject is a LayoutBox, it's its border | 848 // If the associated LayoutBoxModelObject is a LayoutBox, it's its border |
844 // box. Otherwise, this is the LayoutInline's lines' bounding box. | 849 // box. Otherwise, this is the LayoutInline's lines' bounding box. |
845 IntSize m_size; | 850 IntSize m_size; |
846 | 851 |
847 // Cached normal flow values for absolute positioned elements with static le
ft/top values. | 852 // Cached normal flow values for absolute positioned elements with static le
ft/top values. |
848 LayoutUnit m_staticInlinePosition; | 853 LayoutUnit m_staticInlinePosition; |
849 LayoutUnit m_staticBlockPosition; | 854 LayoutUnit m_staticBlockPosition; |
850 | 855 |
| 856 // The first ancestor having a non visible overflow. |
| 857 const PaintLayer* m_ancestorOverflowLayer; |
| 858 |
851 AncestorDependentCompositingInputs m_ancestorDependentCompositingInputs; | 859 AncestorDependentCompositingInputs m_ancestorDependentCompositingInputs; |
852 OwnPtr<RareAncestorDependentCompositingInputs> m_rareAncestorDependentCompos
itingInputs; | 860 OwnPtr<RareAncestorDependentCompositingInputs> m_rareAncestorDependentCompos
itingInputs; |
853 | 861 |
854 OwnPtrWillBePersistent<PaintLayerScrollableArea> m_scrollableArea; | 862 OwnPtrWillBePersistent<PaintLayerScrollableArea> m_scrollableArea; |
855 | 863 |
856 mutable OwnPtr<ClipRectsCache> m_clipRectsCache; | 864 mutable OwnPtr<ClipRectsCache> m_clipRectsCache; |
857 | 865 |
858 OwnPtr<PaintLayerStackingNode> m_stackingNode; | 866 OwnPtr<PaintLayerStackingNode> m_stackingNode; |
859 | 867 |
860 IntSize m_previousScrollOffsetAccumulationForPainting; | 868 IntSize m_previousScrollOffsetAccumulationForPainting; |
861 RefPtr<ClipRects> m_previousPaintingClipRects; | 869 RefPtr<ClipRects> m_previousPaintingClipRects; |
862 LayoutRect m_previousPaintDirtyRect; | 870 LayoutRect m_previousPaintDirtyRect; |
863 | 871 |
864 OwnPtr<PaintLayerRareData> m_rareData; | 872 OwnPtr<PaintLayerRareData> m_rareData; |
865 }; | 873 }; |
866 | 874 |
867 } // namespace blink | 875 } // namespace blink |
868 | 876 |
869 #ifndef NDEBUG | 877 #ifndef NDEBUG |
870 // Outside the WebCore namespace for ease of invocation from gdb. | 878 // Outside the WebCore namespace for ease of invocation from gdb. |
871 void showLayerTree(const blink::PaintLayer*); | 879 void showLayerTree(const blink::PaintLayer*); |
872 void showLayerTree(const blink::LayoutObject*); | 880 void showLayerTree(const blink::LayoutObject*); |
873 #endif | 881 #endif |
874 | 882 |
875 #endif // Layer_h | 883 #endif // Layer_h |
OLD | NEW |