TEST_F(VisualRectMappingTest, ContainerOverflowHidden) {
setBodyInnerHTML(
"<div id='container' style='position: absolute; top: 111px; left: 222px;"
" border: 10px solid red; overflow: hidden; width: 50px; height: "
"80px;'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
EXPECT_EQ(LayoutUnit(), container->scrollLeft());
container->setScrollTop(LayoutUnit(27));
container->setScrollLeft(LayoutUnit(28));
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(0, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
// Rect is not clipped by container's overflow clip.
EXPECT_EQ(LayoutRect(10, 10, 140, 110), rect);
}
TEST_F(VisualRectMappingTest,
DifferentPaintInvalidaitionContainerForAbsolutePosition) {
enableCompositing();
document().frame()->settings()->setPreferCompositingToLCDTextEnabled(true);
setBodyInnerHTML(
"<div id='stacking-context' style='opacity: 0.9; background: blue; "
"will-change: transform'>"
" <div id='scroller' style='overflow: scroll; width: 80px; height: "
"80px'>"
" <div id='absolute' style='position: absolute; top: 111px; left: "
"222px; width: 50px; height: 50px; background: green'></div>"
" <div id='normal-flow' style='width: 2000px; height: 2000px; "
"background: yellow'></div>"
" </div>"
"</div>");
LayoutBlock* scroller = toLayoutBlock(getLayoutObjectByElementId("scroller"));
scroller->setScrollTop(LayoutUnit(77));
scroller->setScrollLeft(LayoutUnit(88));
document().view()->updateAllLifecyclePhases();
LayoutBlock* normalFlow =
toLayoutBlock(getLayoutObjectByElementId("normal-flow"));
EXPECT_EQ(scroller, &normalFlow->containerForPaintInvalidation());
LayoutRect normalFlowVisualRect = normalFlow->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), normalFlowVisualRect);
LayoutRect rect = normalFlowVisualRect;
EXPECT_TRUE(normalFlow->mapToVisualRectInAncestorSpace(scroller, rect));
EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), rect);
checkPaintInvalidationStateRectMapping(rect, normalFlowVisualRect,
*normalFlow, layoutView(), *scroller);
LayoutBlock* stackingContext =
toLayoutBlock(getLayoutObjectByElementId("stacking-context"));
LayoutBlock* absolute = toLayoutBlock(getLayoutObjectByElementId("absolute"));
EXPECT_EQ(stackingContext, &absolute->containerForPaintInvalidation());
EXPECT_EQ(stackingContext, absolute->container());
LayoutRect absoluteVisualRect = absolute->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 50, 50), absoluteVisualRect);
rect = absoluteVisualRect;
EXPECT_TRUE(absolute->mapToVisualRectInAncestorSpace(stackingContext, rect));
EXPECT_EQ(LayoutRect(222, 111, 50, 50), rect);
checkPaintInvalidationStateRectMapping(rect, absoluteVisualRect, *absolute,
layoutView(), *stackingContext);
}
TEST_F(VisualRectMappingTest, ContainerAndTargetDifferentFlippedWritingMode) {
setBodyInnerHTML(
"<div id='container' style='writing-mode: vertical-rl; position: "
"absolute; top: 111px; left: 222px;"
" border: solid red; border-width: 10px 20px 30px 40px;"
" overflow: scroll; width: 50px; height: 80px'>"
" <div id='target' style='writing-mode: vertical-lr; box-shadow: 40px "
"20px black; width: 100px; height: 90px'></div>"
" <div style='width: 100px; height: 100px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
// The initial scroll offset is to the left-most because of flipped blocks
// writing mode.
// 150 = total_layout_overflow(100 + 100) - width(50)
EXPECT_EQ(LayoutUnit(150), container->scrollLeft());
container->setScrollTop(LayoutUnit(7));
container->setScrollLeft(
LayoutUnit(142)); // Scroll to the right by 8 pixels.
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(0, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
// This rect is in physical coordinates of target.
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
// -2 = target_physical_x(100) + container_border_left(40) - scroll_left(142)
// 3 = target_y(0) + container_border_top(10) - scroll_top(7)
// Rect is not clipped by container's overflow clip.
EXPECT_EQ(LayoutRect(-2, 3, 140, 110), rect);
}
TEST_F(VisualRectMappingTest, ContainerFlippedWritingModeAndOverflowHidden) {
setBodyInnerHTML(
"<div id='container' style='writing-mode: vertical-rl; position: "
"absolute; top: 111px; left: 222px;"
" border: solid red; border-width: 10px 20px 30px 40px;"
" overflow: hidden; width: 50px; height: 80px'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
" <div style='width: 100px; height: 100px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
// The initial scroll offset is to the left-most because of flipped blocks
// writing mode.
// 150 = total_layout_overflow(100 + 100) - width(50)
EXPECT_EQ(LayoutUnit(150), container->scrollLeft());
container->setScrollTop(LayoutUnit(7));
container->setScrollLeft(LayoutUnit(82)); // Scroll to the right by 8 pixels.
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// -40 = -box_shadow_offset_x(40) (with target's top-right corner as the
// origin)
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(-40, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
// This rect is in physical coordinates of target.
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
// 58 = target_physical_x(100) + container_border_left(40) - scroll_left(58)
EXPECT_EQ(LayoutRect(-10, 10, 140, 110), rect);
}
TEST_F(VisualRectMappingTest, ContainerFlippedWritingModeAndOverflowScroll) {
setBodyInnerHTML(
"<div id='container' style='writing-mode: vertical-rl; position: "
"absolute; top: 111px; left: 222px;"
" border: solid red; border-width: 10px 20px 30px 40px;"
" overflow: scroll; width: 50px; height: 80px'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
" <div style='width: 100px; height: 100px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
// The initial scroll offset is to the left-most because of flipped blocks
// writing mode.
// 150 = total_layout_overflow(100 + 100) - width(50)
EXPECT_EQ(LayoutUnit(150), container->scrollLeft());
container->setScrollTop(LayoutUnit(7));
container->setScrollLeft(
LayoutUnit(142)); // Scroll to the right by 8 pixels.
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// -40 = -box_shadow_offset_x(40) (with target's top-right corner as the
// origin)
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(-40, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
// This rect is in physical coordinates of target.
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
// -2 = target_physical_x(100) + container_border_left(40) - scroll_left(142)
// 3 = target_y(0) + container_border_top(10) - scroll_top(7)
// Rect is clipped by container's overflow clip because of overflow:scroll.
EXPECT_EQ(LayoutRect(-2, 3, 140, 110), rect);
rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
// (-2, 3, 140, 100) is first clipped by container's overflow clip, to
// (40, 10, 50, 80), then is added by container's offset in LayoutView
// (111, 222).
// TODO(crbug.com/600039): rect.x() should be 262 (left + border-left), but is
// offset
// by extra horizontal border-widths because of layout error.
EXPECT_EQ(LayoutRect(322, 121, 50, 80), rect);
checkPaintInvalidationStateRectMapping(rect, targetVisualRect, *target,
layoutView(), layoutView());
LayoutRect containerVisualRect = container->localVisualRect();
// Because container has overflow clip, its visual overflow doesn't include
// overflow from children.
// 110 = width(50) + border_left_width(40) + border_right_width(20)
// 120 = height(80) + border_top_width(10) + border_bottom_width(30)
EXPECT_EQ(LayoutRect(0, 0, 110, 120), containerVisualRect);
rect = containerVisualRect;
container->flipForWritingMode(rect);
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(container, rect));
EXPECT_EQ(LayoutRect(0, 0, 110, 120), rect);
rect = containerVisualRect;
container->flipForWritingMode(rect);
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(&layoutView(), rect));
// TODO(crbug.com/600039): rect.x() should be 222 (left), but is offset by
// extra horizontal
// border-widths because of layout error.
EXPECT_EQ(LayoutRect(282, 111, 110, 120), rect);
checkPaintInvalidationStateRectMapping(rect, containerVisualRect, *container,
layoutView(), layoutView());
}
TEST_F(VisualRectMappingTest, ContainerOverflowScroll) {
setBodyInnerHTML(
"<div id='container' style='position: absolute; top: 111px; left: 222px;"
" border: 10px solid red; overflow: scroll; width: 50px; height: "
"80px;'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
EXPECT_EQ(LayoutUnit(), container->scrollLeft());
container->setScrollTop(LayoutUnit(7));
container->setScrollLeft(LayoutUnit(8));
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(0, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
// 2 = target_x(0) + container_border_left(10) - scroll_left(8)
// 3 = target_y(0) + container_border_top(10) - scroll_top(7)
// Rect is not clipped by container's overflow clip because of
// overflow:scroll.
EXPECT_EQ(LayoutRect(2, 3, 140, 110), rect);
rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
// (2, 3, 140, 100) is first clipped by container's overflow clip, to
// (10, 10, 50, 80), then is by added container's offset in LayoutView
// (111, 222).
EXPECT_EQ(LayoutRect(232, 121, 50, 80), rect);
checkPaintInvalidationStateRectMapping(rect, targetVisualRect, *target,
layoutView(), layoutView());
LayoutRect containerVisualRect = container->localVisualRect();
// Because container has overflow clip, its visual overflow doesn't include
// overflow from children.
// 70 = width(50) + border_left_width(10) + border_right_width(10)
// 100 = height(80) + border_top_width(10) + border_bottom_width(10)
EXPECT_EQ(LayoutRect(0, 0, 70, 100), containerVisualRect);
rect = containerVisualRect;
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(container, rect));
// Container should not apply overflow clip on its own overflow rect.
EXPECT_EQ(LayoutRect(0, 0, 70, 100), rect);
rect = containerVisualRect;
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(LayoutRect(222, 111, 70, 100), rect);
checkPaintInvalidationStateRectMapping(rect, containerVisualRect, *container,
layoutView(), layoutView());
}