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Side by Side Diff: Source/core/layout/compositing/GraphicsLayerTreeBuilder.cpp

Issue 898783003: Move rendering/RenderLayer* to layout/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved. 2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * Copyright (C) 2014 Google Inc. All rights reserved.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions 6 * modification, are permitted provided that the following conditions
7 * are met: 7 * are met:
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 11 matching lines...) Expand all
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */ 25 */
26 26
27 #include "config.h" 27 #include "config.h"
28 #include "core/layout/compositing/GraphicsLayerTreeBuilder.h" 28 #include "core/layout/compositing/GraphicsLayerTreeBuilder.h"
29 29
30 #include "core/html/HTMLMediaElement.h" 30 #include "core/html/HTMLMediaElement.h"
31 #include "core/html/HTMLVideoElement.h" 31 #include "core/html/HTMLVideoElement.h"
32 #include "core/layout/Layer.h"
33 #include "core/layout/LayerReflectionInfo.h"
32 #include "core/layout/compositing/CompositedLayerMapping.h" 34 #include "core/layout/compositing/CompositedLayerMapping.h"
33 #include "core/layout/compositing/RenderLayerCompositor.h" 35 #include "core/layout/compositing/LayerCompositor.h"
34 #include "core/rendering/RenderLayer.h"
35 #include "core/rendering/RenderLayerReflectionInfo.h"
36 #include "core/rendering/RenderPart.h" 36 #include "core/rendering/RenderPart.h"
37 #include "core/rendering/RenderView.h" 37 #include "core/rendering/RenderView.h"
38 38
39 namespace blink { 39 namespace blink {
40 40
41 GraphicsLayerTreeBuilder::GraphicsLayerTreeBuilder() 41 GraphicsLayerTreeBuilder::GraphicsLayerTreeBuilder()
42 { 42 {
43 } 43 }
44 44
45 GraphicsLayerTreeBuilder::~GraphicsLayerTreeBuilder() 45 GraphicsLayerTreeBuilder::~GraphicsLayerTreeBuilder()
46 { 46 {
47 } 47 }
48 48
49 static bool shouldAppendLayer(const RenderLayer& layer) 49 static bool shouldAppendLayer(const Layer& layer)
50 { 50 {
51 if (!RuntimeEnabledFeatures::overlayFullscreenVideoEnabled()) 51 if (!RuntimeEnabledFeatures::overlayFullscreenVideoEnabled())
52 return true; 52 return true;
53 Node* node = layer.renderer()->node(); 53 Node* node = layer.renderer()->node();
54 if (node && isHTMLVideoElement(*node)) { 54 if (node && isHTMLVideoElement(*node)) {
55 HTMLVideoElement* element = toHTMLVideoElement(node); 55 HTMLVideoElement* element = toHTMLVideoElement(node);
56 // For WebRTC, video frame contains all the data and no hardware surface is used. 56 // For WebRTC, video frame contains all the data and no hardware surface is used.
57 // We should always append the layer in this case. 57 // We should always append the layer in this case.
58 if (element->isFullscreen() && !HTMLMediaElement::isMediaStreamURL(eleme nt->sourceURL().string())) 58 if (element->isFullscreen() && !HTMLMediaElement::isMediaStreamURL(eleme nt->sourceURL().string()))
59 return false; 59 return false;
60 } 60 }
61 return true; 61 return true;
62 } 62 }
63 63
64 void GraphicsLayerTreeBuilder::rebuild(RenderLayer& layer, AncestorInfo info) 64 void GraphicsLayerTreeBuilder::rebuild(Layer& layer, AncestorInfo info)
65 { 65 {
66 // Make the layer compositing if necessary, and set up clipping and content layers. 66 // Make the layer compositing if necessary, and set up clipping and content layers.
67 // Note that we can only do work here that is independent of whether the des cendant layers 67 // Note that we can only do work here that is independent of whether the des cendant layers
68 // have been processed. computeCompositingRequirements() will already have d one the paint invalidation if necessary. 68 // have been processed. computeCompositingRequirements() will already have d one the paint invalidation if necessary.
69 69
70 layer.stackingNode()->updateLayerListsIfNeeded(); 70 layer.stackingNode()->updateLayerListsIfNeeded();
71 71
72 const bool hasCompositedLayerMapping = layer.hasCompositedLayerMapping(); 72 const bool hasCompositedLayerMapping = layer.hasCompositedLayerMapping();
73 CompositedLayerMapping* currentCompositedLayerMapping = layer.compositedLaye rMapping(); 73 CompositedLayerMapping* currentCompositedLayerMapping = layer.compositedLaye rMapping();
74 74
75 // If this layer has a compositedLayerMapping, then that is where we place s ubsequent children GraphicsLayers. 75 // If this layer has a compositedLayerMapping, then that is where we place s ubsequent children GraphicsLayers.
76 // Otherwise children continue to append to the child list of the enclosing layer. 76 // Otherwise children continue to append to the child list of the enclosing layer.
77 GraphicsLayerVector layerChildren; 77 GraphicsLayerVector layerChildren;
78 AncestorInfo infoForChildren(info); 78 AncestorInfo infoForChildren(info);
79 if (hasCompositedLayerMapping) { 79 if (hasCompositedLayerMapping) {
80 infoForChildren.childLayersOfEnclosingCompositedLayer = &layerChildren; 80 infoForChildren.childLayersOfEnclosingCompositedLayer = &layerChildren;
81 infoForChildren.enclosingCompositedLayer = &layer; 81 infoForChildren.enclosingCompositedLayer = &layer;
82 } 82 }
83 83
84 #if ENABLE(ASSERT) 84 #if ENABLE(ASSERT)
85 LayerListMutationDetector mutationChecker(layer.stackingNode()); 85 LayerListMutationDetector mutationChecker(layer.stackingNode());
86 #endif 86 #endif
87 87
88 if (layer.stackingNode()->isStackingContext()) { 88 if (layer.stackingNode()->isStackingContext()) {
89 RenderLayerStackingNodeIterator iterator(*layer.stackingNode(), Negative ZOrderChildren); 89 LayerStackingNodeIterator iterator(*layer.stackingNode(), NegativeZOrder Children);
90 while (RenderLayerStackingNode* curNode = iterator.next()) 90 while (LayerStackingNode* curNode = iterator.next())
91 rebuild(*curNode->layer(), infoForChildren); 91 rebuild(*curNode->layer(), infoForChildren);
92 92
93 // If a negative z-order child is compositing, we get a foreground layer which needs to get parented. 93 // If a negative z-order child is compositing, we get a foreground layer which needs to get parented.
94 if (hasCompositedLayerMapping && currentCompositedLayerMapping->foregrou ndLayer()) 94 if (hasCompositedLayerMapping && currentCompositedLayerMapping->foregrou ndLayer())
95 infoForChildren.childLayersOfEnclosingCompositedLayer->append(curren tCompositedLayerMapping->foregroundLayer()); 95 infoForChildren.childLayersOfEnclosingCompositedLayer->append(curren tCompositedLayerMapping->foregroundLayer());
96 } 96 }
97 97
98 RenderLayerStackingNodeIterator iterator(*layer.stackingNode(), NormalFlowCh ildren | PositiveZOrderChildren); 98 LayerStackingNodeIterator iterator(*layer.stackingNode(), NormalFlowChildren | PositiveZOrderChildren);
99 while (RenderLayerStackingNode* curNode = iterator.next()) 99 while (LayerStackingNode* curNode = iterator.next())
100 rebuild(*curNode->layer(), infoForChildren); 100 rebuild(*curNode->layer(), infoForChildren);
101 101
102 if (hasCompositedLayerMapping) { 102 if (hasCompositedLayerMapping) {
103 bool parented = false; 103 bool parented = false;
104 if (layer.renderer()->isRenderPart()) 104 if (layer.renderer()->isRenderPart())
105 parented = RenderLayerCompositor::parentFrameContentLayers(toRenderP art(layer.renderer())); 105 parented = LayerCompositor::parentFrameContentLayers(toRenderPart(la yer.renderer()));
106 106
107 if (!parented) 107 if (!parented)
108 currentCompositedLayerMapping->parentForSublayers()->setChildren(lay erChildren); 108 currentCompositedLayerMapping->parentForSublayers()->setChildren(lay erChildren);
109 109
110 // If the layer has a clipping layer the overflow controls layers will b e siblings of the clipping layer. 110 // If the layer has a clipping layer the overflow controls layers will b e siblings of the clipping layer.
111 // Otherwise, the overflow control layers are normal children. 111 // Otherwise, the overflow control layers are normal children.
112 // FIXME: Why isn't this handled in CLM updateInternalHierarchy? 112 // FIXME: Why isn't this handled in CLM updateInternalHierarchy?
113 if (!currentCompositedLayerMapping->hasClippingLayer() && !currentCompos itedLayerMapping->hasScrollingLayer()) { 113 if (!currentCompositedLayerMapping->hasClippingLayer() && !currentCompos itedLayerMapping->hasScrollingLayer()) {
114 if (GraphicsLayer* overflowControlLayer = currentCompositedLayerMapp ing->layerForHorizontalScrollbar()) { 114 if (GraphicsLayer* overflowControlLayer = currentCompositedLayerMapp ing->layerForHorizontalScrollbar()) {
115 overflowControlLayer->removeFromParent(); 115 overflowControlLayer->removeFromParent();
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132 } 132 }
133 133
134 if (layer.scrollParent() 134 if (layer.scrollParent()
135 && layer.scrollParent()->hasCompositedLayerMapping() 135 && layer.scrollParent()->hasCompositedLayerMapping()
136 && layer.scrollParent()->compositedLayerMapping()->needsToReparentOverfl owControls() 136 && layer.scrollParent()->compositedLayerMapping()->needsToReparentOverfl owControls()
137 && layer.scrollParent()->scrollableArea()->topmostScrollChild() == &laye r) 137 && layer.scrollParent()->scrollableArea()->topmostScrollChild() == &laye r)
138 info.childLayersOfEnclosingCompositedLayer->append(layer.scrollParent()- >compositedLayerMapping()->detachLayerForOverflowControls(*info.enclosingComposi tedLayer)); 138 info.childLayersOfEnclosingCompositedLayer->append(layer.scrollParent()- >compositedLayerMapping()->detachLayerForOverflowControls(*info.enclosingComposi tedLayer));
139 } 139 }
140 140
141 } 141 }
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