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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/LayoutBoxModelObject.h" | 5 #include "core/layout/LayoutBoxModelObject.h" |
| 6 | 6 |
| 7 #include "core/html/HTMLElement.h" | 7 #include "core/html/HTMLElement.h" |
| 8 #include "core/layout/ImageQualityController.h" | 8 #include "core/layout/ImageQualityController.h" |
| 9 #include "core/layout/LayoutTestHelper.h" | 9 #include "core/layout/LayoutTestHelper.h" |
| 10 #include "core/page/scrolling/StickyPositionScrollingConstraints.h" | 10 #include "core/page/scrolling/StickyPositionScrollingConstraints.h" |
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| 47 ASSERT_EQ(50.0, scrollableArea->scrollPosition().y()); | 47 ASSERT_EQ(50.0, scrollableArea->scrollPosition().y()); |
| 48 LayoutBoxModelObject* sticky = | 48 LayoutBoxModelObject* sticky = |
| 49 toLayoutBoxModelObject(getLayoutObjectByElementId("sticky")); | 49 toLayoutBoxModelObject(getLayoutObjectByElementId("sticky")); |
| 50 sticky->updateStickyPositionConstraints(); | 50 sticky->updateStickyPositionConstraints(); |
| 51 ASSERT_EQ(scroller->layer(), sticky->layer()->ancestorOverflowLayer()); | 51 ASSERT_EQ(scroller->layer(), sticky->layer()->ancestorOverflowLayer()); |
| 52 | 52 |
| 53 const StickyPositionScrollingConstraints& constraints = | 53 const StickyPositionScrollingConstraints& constraints = |
| 54 scrollableArea->stickyConstraintsMap().get(sticky->layer()); | 54 scrollableArea->stickyConstraintsMap().get(sticky->layer()); |
| 55 ASSERT_EQ(0.f, constraints.topOffset()); | 55 ASSERT_EQ(0.f, constraints.topOffset()); |
| 56 | 56 |
| 57 // The coordinates of the constraint rects should all be with respect to the u
nscrolled scroller. | 57 // The coordinates of the constraint rects should all be with respect to the |
| 58 // unscrolled scroller. |
| 58 ASSERT_EQ(IntRect(15, 115, 170, 370), | 59 ASSERT_EQ(IntRect(15, 115, 170, 370), |
| 59 enclosingIntRect( | 60 enclosingIntRect( |
| 60 getScrollContainerRelativeContainingBlockRect(constraints))); | 61 getScrollContainerRelativeContainingBlockRect(constraints))); |
| 61 ASSERT_EQ( | 62 ASSERT_EQ( |
| 62 IntRect(15, 115, 100, 100), | 63 IntRect(15, 115, 100, 100), |
| 63 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); | 64 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); |
| 64 } | 65 } |
| 65 | 66 |
| 66 // Verifies that the sticky constraints are not affected by transforms | 67 // Verifies that the sticky constraints are not affected by transforms |
| 67 TEST_F(LayoutBoxModelObjectTest, StickyPositionTransforms) { | 68 TEST_F(LayoutBoxModelObjectTest, StickyPositionTransforms) { |
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| 84 ASSERT_EQ(50.0, scrollableArea->scrollPosition().y()); | 85 ASSERT_EQ(50.0, scrollableArea->scrollPosition().y()); |
| 85 LayoutBoxModelObject* sticky = | 86 LayoutBoxModelObject* sticky = |
| 86 toLayoutBoxModelObject(getLayoutObjectByElementId("sticky")); | 87 toLayoutBoxModelObject(getLayoutObjectByElementId("sticky")); |
| 87 sticky->updateStickyPositionConstraints(); | 88 sticky->updateStickyPositionConstraints(); |
| 88 ASSERT_EQ(scroller->layer(), sticky->layer()->ancestorOverflowLayer()); | 89 ASSERT_EQ(scroller->layer(), sticky->layer()->ancestorOverflowLayer()); |
| 89 | 90 |
| 90 const StickyPositionScrollingConstraints& constraints = | 91 const StickyPositionScrollingConstraints& constraints = |
| 91 scrollableArea->stickyConstraintsMap().get(sticky->layer()); | 92 scrollableArea->stickyConstraintsMap().get(sticky->layer()); |
| 92 ASSERT_EQ(0.f, constraints.topOffset()); | 93 ASSERT_EQ(0.f, constraints.topOffset()); |
| 93 | 94 |
| 94 // The coordinates of the constraint rects should all be with respect to the u
nscrolled scroller. | 95 // The coordinates of the constraint rects should all be with respect to the |
| 96 // unscrolled scroller. |
| 95 ASSERT_EQ(IntRect(15, 115, 170, 370), | 97 ASSERT_EQ(IntRect(15, 115, 170, 370), |
| 96 enclosingIntRect( | 98 enclosingIntRect( |
| 97 getScrollContainerRelativeContainingBlockRect(constraints))); | 99 getScrollContainerRelativeContainingBlockRect(constraints))); |
| 98 ASSERT_EQ( | 100 ASSERT_EQ( |
| 99 IntRect(15, 115, 100, 100), | 101 IntRect(15, 115, 100, 100), |
| 100 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); | 102 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); |
| 101 } | 103 } |
| 102 | 104 |
| 103 // Verifies that the sticky constraints are correctly computed. | 105 // Verifies that the sticky constraints are correctly computed. |
| 104 TEST_F(LayoutBoxModelObjectTest, StickyPositionPercentageStyles) { | 106 TEST_F(LayoutBoxModelObjectTest, StickyPositionPercentageStyles) { |
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| 128 ASSERT_EQ(0.f, constraints.topOffset()); | 130 ASSERT_EQ(0.f, constraints.topOffset()); |
| 129 | 131 |
| 130 ASSERT_EQ(IntRect(25, 145, 200, 330), | 132 ASSERT_EQ(IntRect(25, 145, 200, 330), |
| 131 enclosingIntRect( | 133 enclosingIntRect( |
| 132 getScrollContainerRelativeContainingBlockRect(constraints))); | 134 getScrollContainerRelativeContainingBlockRect(constraints))); |
| 133 ASSERT_EQ( | 135 ASSERT_EQ( |
| 134 IntRect(25, 145, 100, 100), | 136 IntRect(25, 145, 100, 100), |
| 135 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); | 137 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); |
| 136 } | 138 } |
| 137 | 139 |
| 138 // Verifies that the sticky constraints are correct when the sticky position con
tainer is also | 140 // Verifies that the sticky constraints are correct when the sticky position |
| 139 // the ancestor scroller. | 141 // container is also the ancestor scroller. |
| 140 TEST_F(LayoutBoxModelObjectTest, StickyPositionContainerIsScroller) { | 142 TEST_F(LayoutBoxModelObjectTest, StickyPositionContainerIsScroller) { |
| 141 setBodyInnerHTML( | 143 setBodyInnerHTML( |
| 142 "<style>#sticky { position: sticky; top: 0; width: 100px; height: 100px; " | 144 "<style>#sticky { position: sticky; top: 0; width: 100px; height: 100px; " |
| 143 "}" | 145 "}" |
| 144 "#scroller { height: 100px; width: 400px; overflow: auto; position: " | 146 "#scroller { height: 100px; width: 400px; overflow: auto; position: " |
| 145 "relative; top: 200px; }" | 147 "relative; top: 200px; }" |
| 146 ".spacer { height: 1000px; }</style>" | 148 ".spacer { height: 1000px; }</style>" |
| 147 "<div id='scroller'><div id='sticky'></div><div " | 149 "<div id='scroller'><div id='sticky'></div><div " |
| 148 "class='spacer'></div></div>"); | 150 "class='spacer'></div></div>"); |
| 149 LayoutBoxModelObject* scroller = | 151 LayoutBoxModelObject* scroller = |
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| 160 const StickyPositionScrollingConstraints& constraints = | 162 const StickyPositionScrollingConstraints& constraints = |
| 161 scrollableArea->stickyConstraintsMap().get(sticky->layer()); | 163 scrollableArea->stickyConstraintsMap().get(sticky->layer()); |
| 162 ASSERT_EQ(IntRect(0, 0, 400, 1100), | 164 ASSERT_EQ(IntRect(0, 0, 400, 1100), |
| 163 enclosingIntRect( | 165 enclosingIntRect( |
| 164 getScrollContainerRelativeContainingBlockRect(constraints))); | 166 getScrollContainerRelativeContainingBlockRect(constraints))); |
| 165 ASSERT_EQ( | 167 ASSERT_EQ( |
| 166 IntRect(0, 0, 100, 100), | 168 IntRect(0, 0, 100, 100), |
| 167 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); | 169 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); |
| 168 } | 170 } |
| 169 | 171 |
| 170 // Verifies that the sticky constraints are correct when the sticky position obj
ect has an | 172 // Verifies that the sticky constraints are correct when the sticky position |
| 171 // anonymous containing block. | 173 // object has an anonymous containing block. |
| 172 TEST_F(LayoutBoxModelObjectTest, StickyPositionAnonymousContainer) { | 174 TEST_F(LayoutBoxModelObjectTest, StickyPositionAnonymousContainer) { |
| 173 setBodyInnerHTML( | 175 setBodyInnerHTML( |
| 174 "<style>#sticky { display: inline-block; position: sticky; top: 0; " | 176 "<style>#sticky { display: inline-block; position: sticky; top: 0; " |
| 175 "width: 100px; height: 100px; }" | 177 "width: 100px; height: 100px; }" |
| 176 "#container { box-sizing: border-box; position: relative; top: 100px; " | 178 "#container { box-sizing: border-box; position: relative; top: 100px; " |
| 177 "height: 400px; width: 200px; padding: 10px; border: 5px solid black; }" | 179 "height: 400px; width: 200px; padding: 10px; border: 5px solid black; }" |
| 178 "#scroller { height: 100px; overflow: auto; position: relative; top: " | 180 "#scroller { height: 100px; overflow: auto; position: relative; top: " |
| 179 "200px; }" | 181 "200px; }" |
| 180 ".header { height: 50px; }" | 182 ".header { height: 50px; }" |
| 181 ".spacer { height: 1000px; }</style>" | 183 ".spacer { height: 1000px; }</style>" |
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| 195 const StickyPositionScrollingConstraints& constraints = | 197 const StickyPositionScrollingConstraints& constraints = |
| 196 scrollableArea->stickyConstraintsMap().get(sticky->layer()); | 198 scrollableArea->stickyConstraintsMap().get(sticky->layer()); |
| 197 ASSERT_EQ(IntRect(15, 115, 170, 370), | 199 ASSERT_EQ(IntRect(15, 115, 170, 370), |
| 198 enclosingIntRect( | 200 enclosingIntRect( |
| 199 getScrollContainerRelativeContainingBlockRect(constraints))); | 201 getScrollContainerRelativeContainingBlockRect(constraints))); |
| 200 ASSERT_EQ( | 202 ASSERT_EQ( |
| 201 IntRect(15, 165, 100, 100), | 203 IntRect(15, 165, 100, 100), |
| 202 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); | 204 enclosingIntRect(getScrollContainerRelativeStickyBoxRect(constraints))); |
| 203 } | 205 } |
| 204 } // namespace blink | 206 } // namespace blink |
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