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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/layout/compositing/CompositedLayerMapping.h" | 5 #include "core/layout/compositing/CompositedLayerMapping.h" |
6 | 6 |
7 #include "core/frame/FrameView.h" | 7 #include "core/frame/FrameView.h" |
8 #include "core/layout/LayoutBoxModelObject.h" | 8 #include "core/layout/LayoutBoxModelObject.h" |
9 #include "core/layout/LayoutTestHelper.h" | 9 #include "core/layout/LayoutTestHelper.h" |
10 #include "core/layout/api/LayoutViewItem.h" | 10 #include "core/layout/api/LayoutViewItem.h" |
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1077 document().setRootScroller(nullptr, nonThrow); | 1077 document().setRootScroller(nullptr, nonThrow); |
1078 document().view()->updateAllLifecyclePhases(); | 1078 document().view()->updateAllLifecyclePhases(); |
1079 ASSERT_EQ(document().documentElement(), | 1079 ASSERT_EQ(document().documentElement(), |
1080 rootScrollerController.globalRootScroller()); | 1080 rootScrollerController.globalRootScroller()); |
1081 | 1081 |
1082 EXPECT_TRUE(mapping3->clippingLayer()); | 1082 EXPECT_TRUE(mapping3->clippingLayer()); |
1083 EXPECT_TRUE(mapping3->clippingLayer()->platformLayer()->masksToBounds()); | 1083 EXPECT_TRUE(mapping3->clippingLayer()->platformLayer()->masksToBounds()); |
1084 } | 1084 } |
1085 } | 1085 } |
1086 | 1086 |
1087 TEST_P(CompositedLayerMappingTest, AncestorClippingMaskLayerUpdates) { | |
1088 setBodyInnerHTML( | |
1089 "<style>" | |
1090 "#ancestor { width: 100px; height: 100px; overflow: hidden; }" | |
1091 "#child { width: 120px; height: 120px; background-color: green; }" | |
1092 "</style>" | |
1093 "<div id='ancestor'><div id='child'></div></div>"); | |
1094 document().view()->updateAllLifecyclePhases(); | |
1095 | |
1096 Element* ancestor = document().getElementById("ancestor"); | |
1097 ASSERT_TRUE(ancestor); | |
1098 PaintLayer* ancestorPaintLayer = | |
1099 toLayoutBoxModelObject(ancestor->layoutObject())->layer(); | |
1100 ASSERT_TRUE(ancestorPaintLayer); | |
1101 | |
1102 CompositedLayerMapping* ancestorMapping = | |
1103 ancestorPaintLayer->compositedLayerMapping(); | |
1104 ASSERT_FALSE(ancestorMapping); | |
1105 | |
1106 Element* child = document().getElementById("child"); | |
1107 ASSERT_TRUE(child); | |
1108 PaintLayer* childPaintLayer = | |
1109 toLayoutBoxModelObject(child->layoutObject())->layer(); | |
1110 ASSERT_FALSE(childPaintLayer); | |
1111 | |
1112 // Making the child conposited causes creation of an AncestorClippingLayer. | |
1113 child->setAttribute(HTMLNames::styleAttr, "will-change: transform"); | |
1114 document().view()->updateAllLifecyclePhases(); | |
1115 | |
1116 childPaintLayer = toLayoutBoxModelObject(child->layoutObject())->layer(); | |
1117 ASSERT_TRUE(childPaintLayer); | |
1118 CompositedLayerMapping* childMapping = | |
1119 childPaintLayer->compositedLayerMapping(); | |
1120 ASSERT_TRUE(childMapping); | |
1121 EXPECT_TRUE(childMapping->ancestorClippingLayer()); | |
1122 EXPECT_FALSE(childMapping->ancestorClippingLayer()->maskLayer()); | |
1123 EXPECT_FALSE(childMapping->ancestorClippingMaskLayer()); | |
1124 | |
1125 // Adding border radius to the ancestor requires an | |
1126 // ancestorClippingMaskLayer for the child | |
1127 ancestor->setAttribute(HTMLNames::styleAttr, "border-radius: 40px;"); | |
1128 document().view()->updateAllLifecyclePhases(); | |
1129 | |
1130 childPaintLayer = toLayoutBoxModelObject(child->layoutObject())->layer(); | |
1131 ASSERT_TRUE(childPaintLayer); | |
1132 childMapping = childPaintLayer->compositedLayerMapping(); | |
1133 ASSERT_TRUE(childMapping); | |
1134 EXPECT_TRUE(childMapping->ancestorClippingLayer()); | |
1135 EXPECT_TRUE(childMapping->ancestorClippingLayer()->maskLayer()); | |
1136 EXPECT_TRUE(childMapping->ancestorClippingMaskLayer()); | |
1137 | |
1138 // Removing the border radius should remove the ancestorClippingMaskLayer | |
1139 // for the child | |
1140 ancestor->setAttribute(HTMLNames::styleAttr, "border-radius: 0px;"); | |
1141 document().view()->updateAllLifecyclePhases(); | |
1142 | |
1143 childPaintLayer = toLayoutBoxModelObject(child->layoutObject())->layer(); | |
1144 ASSERT_TRUE(childPaintLayer); | |
1145 childMapping = childPaintLayer->compositedLayerMapping(); | |
1146 ASSERT_TRUE(childMapping); | |
1147 EXPECT_TRUE(childMapping->ancestorClippingLayer()); | |
1148 EXPECT_FALSE(childMapping->ancestorClippingLayer()->maskLayer()); | |
1149 EXPECT_FALSE(childMapping->ancestorClippingMaskLayer()); | |
1150 | |
1151 // Add border radius back so we can test one more case | |
1152 ancestor->setAttribute(HTMLNames::styleAttr, "border-radius: 40px;"); | |
1153 document().view()->updateAllLifecyclePhases(); | |
1154 | |
1155 // Now change the overflow to remove the need for an ancestor clip | |
1156 // on the child | |
1157 ancestor->setAttribute(HTMLNames::styleAttr, "overflow: visible"); | |
1158 document().view()->updateAllLifecyclePhases(); | |
1159 | |
1160 childPaintLayer = toLayoutBoxModelObject(child->layoutObject())->layer(); | |
1161 ASSERT_TRUE(childPaintLayer); | |
1162 childMapping = childPaintLayer->compositedLayerMapping(); | |
1163 ASSERT_TRUE(childMapping); | |
1164 EXPECT_FALSE(childMapping->ancestorClippingLayer()); | |
1165 EXPECT_FALSE(childMapping->ancestorClippingMaskLayer()); | |
1166 } | |
1167 | |
1168 } // namespace blink | 1087 } // namespace blink |
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