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Side by Side Diff: Source/core/paint/DeprecatedPaintLayer.h

Issue 1158183006: Remove the old multicol implementation. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: rebase master Created 5 years, 6 months ago
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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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150 150
151 DeprecatedPaintLayerCompositor* compositor() const; 151 DeprecatedPaintLayerCompositor* compositor() const;
152 152
153 // Notification from the layoutObject that its content changed (e.g. current frame of image changed). 153 // Notification from the layoutObject that its content changed (e.g. current frame of image changed).
154 // Allows updates of layer content without invalidating paint. 154 // Allows updates of layer content without invalidating paint.
155 void contentChanged(ContentChangeType); 155 void contentChanged(ContentChangeType);
156 156
157 void updateLayerPositionsAfterLayout(); 157 void updateLayerPositionsAfterLayout();
158 void updateLayerPositionsAfterOverflowScroll(const DoubleSize& scrollDelta); 158 void updateLayerPositionsAfterOverflowScroll(const DoubleSize& scrollDelta);
159 159
160 bool isPaginated() const { return m_isPaginated; }
161 DeprecatedPaintLayer* enclosingPaginationLayer() const { return m_enclosingP aginationLayer; } 160 DeprecatedPaintLayer* enclosingPaginationLayer() const { return m_enclosingP aginationLayer; }
162 161
163 void updateTransformationMatrix(); 162 void updateTransformationMatrix();
164 DeprecatedPaintLayer* renderingContextRoot(); 163 DeprecatedPaintLayer* renderingContextRoot();
165 164
166 const LayoutSize& offsetForInFlowPosition() const { return m_offsetForInFlow Position; } 165 const LayoutSize& offsetForInFlowPosition() const { return m_offsetForInFlow Position; }
167 166
168 void blockSelectionGapsBoundsChanged(); 167 void blockSelectionGapsBoundsChanged();
169 void addBlockSelectionGapsBounds(const LayoutRect&); 168 void addBlockSelectionGapsBounds(const LayoutRect&);
170 void clearBlockSelectionGapsBounds(); 169 void clearBlockSelectionGapsBounds();
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210 // GraphicsLayer backing, but is nevertheless the root for a call to the Lay er::paint*() methods. 209 // GraphicsLayer backing, but is nevertheless the root for a call to the Lay er::paint*() methods.
211 DeprecatedPaintLayer* enclosingLayerForPaintInvalidation() const; 210 DeprecatedPaintLayer* enclosingLayerForPaintInvalidation() const;
212 211
213 DeprecatedPaintLayer* enclosingLayerForPaintInvalidationCrossingFrameBoundar ies() const; 212 DeprecatedPaintLayer* enclosingLayerForPaintInvalidationCrossingFrameBoundar ies() const;
214 213
215 bool hasAncestorWithFilterOutsets() const; 214 bool hasAncestorWithFilterOutsets() const;
216 215
217 bool canUseConvertToLayerCoords() const 216 bool canUseConvertToLayerCoords() const
218 { 217 {
219 // These LayoutObjects have an impact on their layers without the layout Objects knowing about it. 218 // These LayoutObjects have an impact on their layers without the layout Objects knowing about it.
220 return !layoutObject()->hasColumns() && !layoutObject()->hasTransformRel atedProperty() && !layoutObject()->isSVGRoot(); 219 return !layoutObject()->hasTransformRelatedProperty() && !layoutObject() ->isSVGRoot();
221 } 220 }
222 221
223 void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutP oint&) const; 222 void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutP oint&) const;
224 void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutR ect&) const; 223 void convertToLayerCoords(const DeprecatedPaintLayer* ancestorLayer, LayoutR ect&) const;
225 224
226 // Does the same as convertToLayerCoords() when not in multicol. For multico l, however, 225 // Does the same as convertToLayerCoords() when not in multicol. For multico l, however,
227 // convertToLayerCoords() calculates the offset in flow-thread coordinates ( what the layout 226 // convertToLayerCoords() calculates the offset in flow-thread coordinates ( what the layout
228 // engine uses internally), while this method calculates the visual coordina tes; i.e. it figures 227 // engine uses internally), while this method calculates the visual coordina tes; i.e. it figures
229 // out which column the layer starts in and adds in the offset. See 228 // out which column the layer starts in and adds in the offset. See
230 // http://www.chromium.org/developers/design-documents/multi-column-layout f or more info. 229 // http://www.chromium.org/developers/design-documents/multi-column-layout f or more info.
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555 DeprecatedPaintLayer* hitTestLayer(DeprecatedPaintLayer* rootLayer, Deprecat edPaintLayer* containerLayer, HitTestResult&, 554 DeprecatedPaintLayer* hitTestLayer(DeprecatedPaintLayer* rootLayer, Deprecat edPaintLayer* containerLayer, HitTestResult&,
556 const LayoutRect& hitTestRect, const HitTestLocation&, bool appliedTrans form, 555 const LayoutRect& hitTestRect, const HitTestLocation&, bool appliedTrans form,
557 const HitTestingTransformState* = 0, double* zOffset = 0); 556 const HitTestingTransformState* = 0, double* zOffset = 0);
558 DeprecatedPaintLayer* hitTestLayerByApplyingTransform(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&, 557 DeprecatedPaintLayer* hitTestLayerByApplyingTransform(DeprecatedPaintLayer* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&,
559 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT ransformState* = 0, double* zOffset = 0, 558 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT ransformState* = 0, double* zOffset = 0,
560 const LayoutPoint& translationOffset = LayoutPoint()); 559 const LayoutPoint& translationOffset = LayoutPoint());
561 DeprecatedPaintLayer* hitTestChildren(ChildrenIteration, DeprecatedPaintLaye r* rootLayer, HitTestResult&, 560 DeprecatedPaintLayer* hitTestChildren(ChildrenIteration, DeprecatedPaintLaye r* rootLayer, HitTestResult&,
562 const LayoutRect& hitTestRect, const HitTestLocation&, 561 const LayoutRect& hitTestRect, const HitTestLocation&,
563 const HitTestingTransformState*, double* zOffsetForDescendants, double* zOffset, 562 const HitTestingTransformState*, double* zOffsetForDescendants, double* zOffset,
564 const HitTestingTransformState* unflattenedTransformState, bool depthSor tDescendants); 563 const HitTestingTransformState* unflattenedTransformState, bool depthSor tDescendants);
565 DeprecatedPaintLayer* hitTestPaginatedChildLayer(DeprecatedPaintLayer* child Layer, DeprecatedPaintLayer* rootLayer, HitTestResult&,
566 const LayoutRect& hitTestRect, const HitTestLocation&,
567 const HitTestingTransformState*, double* zOffset);
568 DeprecatedPaintLayer* hitTestChildLayerColumns(DeprecatedPaintLayer* childLa yer, DeprecatedPaintLayer* rootLayer, HitTestResult&,
569 const LayoutRect& hitTestRect, const HitTestLocation&,
570 const HitTestingTransformState*, double* zOffset,
571 const Vector<DeprecatedPaintLayer*>& columnLayers, size_t columnIndex);
572 564
573 PassRefPtr<HitTestingTransformState> createLocalTransformState(DeprecatedPai ntLayer* rootLayer, DeprecatedPaintLayer* containerLayer, 565 PassRefPtr<HitTestingTransformState> createLocalTransformState(DeprecatedPai ntLayer* rootLayer, DeprecatedPaintLayer* containerLayer,
574 const LayoutRect& hitTestRect, const HitTestLocation&, 566 const LayoutRect& hitTestRect, const HitTestLocation&,
575 const HitTestingTransformState* containerTransformState, 567 const HitTestingTransformState* containerTransformState,
576 const LayoutPoint& translationOffset = LayoutPoint()) const; 568 const LayoutPoint& translationOffset = LayoutPoint()) const;
577 569
578 bool hitTestContents(HitTestResult&, const LayoutRect& layerBounds, const Hi tTestLocation&, HitTestFilter) const; 570 bool hitTestContents(HitTestResult&, const LayoutRect& layerBounds, const Hi tTestLocation&, HitTestFilter) const;
579 bool hitTestContentsForFragments(const DeprecatedPaintLayerFragments&, HitTe stResult&, const HitTestLocation&, HitTestFilter, bool& insideClipRect) const; 571 bool hitTestContentsForFragments(const DeprecatedPaintLayerFragments&, HitTe stResult&, const HitTestLocation&, HitTestFilter, bool& insideClipRect) const;
580 DeprecatedPaintLayer* hitTestTransformedLayerInFragments(DeprecatedPaintLaye r* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&, 572 DeprecatedPaintLayer* hitTestTransformedLayerInFragments(DeprecatedPaintLaye r* rootLayer, DeprecatedPaintLayer* containerLayer, HitTestResult&,
581 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT ransformState* = 0, double* zOffset = 0); 573 const LayoutRect& hitTestRect, const HitTestLocation&, const HitTestingT ransformState* = 0, double* zOffset = 0);
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624 616
625 const unsigned m_isRootLayer : 1; 617 const unsigned m_isRootLayer : 1;
626 618
627 unsigned m_visibleContentStatusDirty : 1; 619 unsigned m_visibleContentStatusDirty : 1;
628 unsigned m_hasVisibleContent : 1; 620 unsigned m_hasVisibleContent : 1;
629 unsigned m_visibleDescendantStatusDirty : 1; 621 unsigned m_visibleDescendantStatusDirty : 1;
630 unsigned m_hasVisibleDescendant : 1; 622 unsigned m_hasVisibleDescendant : 1;
631 623
632 unsigned m_hasVisibleNonLayerContent : 1; 624 unsigned m_hasVisibleNonLayerContent : 1;
633 625
634 unsigned m_isPaginated : 1; // If we think this layer is split by a multi-co lumn ancestor, then this bit will be set.
635
636 #if ENABLE(ASSERT) 626 #if ENABLE(ASSERT)
637 unsigned m_needsPositionUpdate : 1; 627 unsigned m_needsPositionUpdate : 1;
638 #endif 628 #endif
639 629
640 unsigned m_3DTransformedDescendantStatusDirty : 1; 630 unsigned m_3DTransformedDescendantStatusDirty : 1;
641 // Set on a stacking context layer that has 3D descendants anywhere 631 // Set on a stacking context layer that has 3D descendants anywhere
642 // in a preserves3D hierarchy. Hint to do 3D-aware hit testing. 632 // in a preserves3D hierarchy. Hint to do 3D-aware hit testing.
643 unsigned m_has3DTransformedDescendant : 1; 633 unsigned m_has3DTransformedDescendant : 1;
644 634
645 unsigned m_containsDirtyOverlayScrollbars : 1; 635 unsigned m_containsDirtyOverlayScrollbars : 1;
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722 712
723 } // namespace blink 713 } // namespace blink
724 714
725 #ifndef NDEBUG 715 #ifndef NDEBUG
726 // Outside the WebCore namespace for ease of invocation from gdb. 716 // Outside the WebCore namespace for ease of invocation from gdb.
727 void showLayerTree(const blink::DeprecatedPaintLayer*); 717 void showLayerTree(const blink::DeprecatedPaintLayer*);
728 void showLayerTree(const blink::LayoutObject*); 718 void showLayerTree(const blink::LayoutObject*);
729 #endif 719 #endif
730 720
731 #endif // Layer_h 721 #endif // Layer_h
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