Source/core/rendering/compositing/CompositingPropertyUpdater.cpp - Issue 322163003: Rename AncestorDependentProperties to CompositingInputs

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Issue 322163003: Rename AncestorDependentProperties to CompositingInputs (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Moar renaming Created 6 years, 6 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "config.h"

6 #include "core/rendering/compositing/CompositingPropertyUpdater.h"

7

8 #include "core/rendering/RenderBlock.h"

9 #include "core/rendering/RenderLayer.h"

10 #include "core/rendering/compositing/CompositedLayerMapping.h"

11

12 namespace WebCore {

13

14 CompositingPropertyUpdater::CompositingPropertyUpdater(RenderLayer* rootRenderLa yer)

15 : m_geometryMap(UseTransforms)

16 , m_rootRenderLayer(rootRenderLayer)

17 {

18 rootRenderLayer->updateDescendantDependentFlags();

19 }

20

21 CompositingPropertyUpdater::~CompositingPropertyUpdater()

22 {

23 }

24

25 void CompositingPropertyUpdater::updateAncestorDependentProperties(RenderLayer* layer, UpdateType updateType, AncestorInfo info)

26 {

27 if (!layer->childNeedsToUpdateAncestorDependantProperties() && updateType != ForceUpdate)

28 return;

29

30 m_geometryMap.pushMappingsToAncestor(layer, layer->parent());

31

32 if (layer->hasCompositedLayerMapping())

33 info.enclosingCompositedLayer = layer;

34

35 if (layer->needsToUpdateAncestorDependentProperties()) {

36 if (info.enclosingCompositedLayer)

37 info.enclosingCompositedLayer->compositedLayerMapping()->setNeedsGra phicsLayerUpdate();

38 updateType = ForceUpdate;

39 }

40

41 if (updateType == ForceUpdate) {

42 RenderLayer::AncestorDependentProperties properties;

43

44 if (!layer->isRootLayer()) {

45 properties.clippedAbsoluteBoundingBox = enclosingIntRect(m_geometryM ap.absoluteRect(layer->boundingBoxForCompositingOverlapTest()));

46 // FIXME: Setting the absBounds to 1x1 instead of 0x0 makes very lit tle sense,

47 // but removing this code will make JSGameBench sad.

48 // See https://codereview.chromium.org/13912020/

49 if (properties.clippedAbsoluteBoundingBox.isEmpty())

50 properties.clippedAbsoluteBoundingBox.setSize(IntSize(1, 1));

51

52 IntRect clipRect = pixelSnappedIntRect(layer->clipper().backgroundCl ipRect(ClipRectsContext(m_rootRenderLayer, AbsoluteClipRects)).rect());

53 properties.clippedAbsoluteBoundingBox.intersect(clipRect);

54

55 const RenderLayer* parent = layer->parent();

56 properties.opacityAncestor = parent->isTransparent() ? parent : pare nt->ancestorDependentProperties().opacityAncestor;

57 properties.transformAncestor = parent->hasTransform() ? parent : par ent->ancestorDependentProperties().transformAncestor;

58 properties.filterAncestor = parent->hasFilter() ? parent : parent->a ncestorDependentProperties().filterAncestor;

59

60 if (layer->renderer()->isOutOfFlowPositioned() && info.ancestorScrol lingLayer && !layer->subtreeIsInvisible()) {

61 const RenderObject* container = layer->renderer()->containingBlo ck();

62 const RenderObject* scroller = info.ancestorScrollingLayer->rend erer();

63 properties.isUnclippedDescendant = scroller != container && scro ller->isDescendantOf(container);

64 }

65 }

66

67 layer->updateAncestorDependentProperties(properties);

68 }

69

70 if (layer->scrollsOverflow())

71 info.ancestorScrollingLayer = layer;

72

73 for (RenderLayer* child = layer->firstChild(); child; child = child->nextSib ling())

74 updateAncestorDependentProperties(child, updateType, info);

75

76 m_geometryMap.popMappingsToAncestor(layer->parent());

77

78 layer->clearChildNeedsToUpdateAncestorDependantProperties();

79 }

80

81 #if !ASSERT_DISABLED

82

83 void CompositingPropertyUpdater::assertNeedsToUpdateAncestorDependantPropertiesB itsCleared(RenderLayer* layer)

84 {

85 ASSERT(!layer->childNeedsToUpdateAncestorDependantProperties());

86 ASSERT(!layer->needsToUpdateAncestorDependentProperties());

87

88 for (RenderLayer* child = layer->firstChild(); child; child = child->nextSib ling())

89 assertNeedsToUpdateAncestorDependantPropertiesBitsCleared(child);

90 }

91

92 #endif

93

94 } // namespace WebCore

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