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);
}
void LayoutRubyBase::moveBlockChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild)
{
ASSERT(!childrenInline());
ASSERT_ARG(toBase, toBase);
if (!firstChild())
return;
if (toBase->childrenInline())
toBase->makeChildrenNonInline();
// If an anonymous block would be put next to another such block, then merge those.
LayoutObject* firstChildHere = firstChild();
LayoutObject* lastChildThere = toBase->lastChild();
if (firstChildHere->isAnonymousBlock() && firstChildHere->childrenInline()
&& lastChildThere && lastChildThere->isAnonymousBlock() && lastChildThere->childrenInline()) {
LayoutBlock* anonBlockHere = toLayoutBlock(firstChildHere);
LayoutBlock* anonBlockThere = toLayoutBlock(lastChildThere);
anonBlockHere->moveAllChildrenTo(anonBlockThere, anonBlockThere->children());
anonBlockHere->deleteLineBoxTree();
anonBlockHere->destroy();
}
// Move all remaining children normally.
moveChildrenTo(toBase, firstChild(), beforeChild);
}
TEST_F(VisualRectMappingTest, ContainerFlippedWritingMode) {
setBodyInnerHTML(
"<div id='container' style='writing-mode: vertical-rl; position: "
"absolute; top: 111px; left: 222px'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
" <div style='width: 100px; height: 100px'></div>"
"</div>");
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);
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
// 100 is the physical x location of target in container.
EXPECT_EQ(LayoutRect(100, 0, 140, 110), rect);
rect = targetVisualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(LayoutRect(322, 111, 140, 110), rect);
checkPaintInvalidationStateRectMapping(rect, targetVisualRect, *target,
layoutView(), layoutView());
LayoutRect containerVisualRect = container->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 200, 100), containerVisualRect);
rect = containerVisualRect;
container->flipForWritingMode(rect);
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(container, rect));
EXPECT_EQ(LayoutRect(0, 0, 200, 100), rect);
rect = containerVisualRect;
container->flipForWritingMode(rect);
EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(LayoutRect(222, 111, 200, 100), rect);
checkPaintInvalidationStateRectMapping(rect, containerVisualRect, *container,
layoutView(), layoutView());
}
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, LayoutViewSubpixelRounding) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id=frameContainer style='position: relative; left: 0.5px'>"
" <iframe style='position: relative; left: 0.5px' "
"src='http://test.com' width='200' height='200' frameBorder='0'></iframe>"
"</div>");
setChildFrameHTML(
"<style>body { margin: 0; }</style><div id='target' style='position: "
"relative; width: 100px; height: 100px; left: 0.5px'>");
document().view()->updateAllLifecyclePhases();
LayoutBlock* frameContainer =
toLayoutBlock(getLayoutObjectByElementId("frameContainer"));
LayoutObject* target =
childDocument().getElementById("target")->layoutObject();
LayoutRect rect(0, 0, 100, 100);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(frameContainer, rect));
// When passing from the iframe to the parent frame, the rect of (0.5, 0, 100,
// 100) is expanded to (0, 0, 100, 100), and then offset by the 0.5 offset of
// frameContainer.
EXPECT_EQ(LayoutRect(LayoutPoint(DoublePoint(0.5, 0)), LayoutSize(101, 100)),
rect);
}
int LayoutTextControl::firstLineBoxBaseline() const {
int result = LayoutBlock::firstLineBoxBaseline();
if (result != -1)
return result;
// When the text is empty, |LayoutBlock::firstLineBoxBaseline()| cannot
// compute the baseline because lineboxes do not exist.
Element* innerEditor = innerEditorElement();
if (!innerEditor || !innerEditor->layoutObject())
return -1;
LayoutBlock* innerEditorLayoutObject =
toLayoutBlock(innerEditor->layoutObject());
const SimpleFontData* fontData =
innerEditorLayoutObject->style(true)->font().primaryFont();
DCHECK(fontData);
if (!fontData)
return -1;
LayoutUnit baseline(fontData->getFontMetrics().ascent(AlphabeticBaseline));
for (LayoutObject* box = innerEditorLayoutObject; box && box != this;
box = box->parent()) {
if (box->isBox())
baseline += toLayoutBox(box)->logicalTop();
}
return baseline.toInt();
}
void LayoutRubyBase::moveInlineChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild)
{
ASSERT(childrenInline());
ASSERT_ARG(toBase, toBase);
if (!firstChild())
return;
LayoutBlock* toBlock;
if (toBase->childrenInline()) {
// The standard and easy case: move the children into the target base
toBlock = toBase;
} else {
// We need to wrap the inline objects into an anonymous block.
// If toBase has a suitable block, we re-use it, otherwise create a new one.
LayoutObject* lastChild = toBase->lastChild();
if (lastChild && lastChild->isAnonymousBlock() && lastChild->childrenInline()) {
toBlock = toLayoutBlock(lastChild);
} else {
toBlock = toBase->createAnonymousBlock();
toBase->children()->appendChildNode(toBase, toBlock);
}
}
// Move our inline children into the target block we determined above.
moveChildrenTo(toBlock, firstChild(), beforeChild);
}
TEST_F(VisualRectMappingTest, SelfFlippedWritingMode) {
setBodyInnerHTML(
"<div id='target' style='writing-mode: vertical-rl; box-shadow: 40px "
"20px black;"
" width: 100px; height: 50px; position: absolute; top: 111px; left: "
"222px'>"
"</div>");
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect visualRect = 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)
// 70 = height(50) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(-40, 0, 140, 70), visualRect);
LayoutRect rect = visualRect;
// TODO(wkorman): The calls to flipForWritingMode() here and in other test
// cases below are necessary because mapToVisualRectInAncestorSpace()
// currently expects the input rect to be in "physical coordinates" (*not*
// "physical coordinates with flipped block-flow direction"), see
// LayoutBoxModelObject.h.
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
// This rect is in physical coordinates of target.
EXPECT_EQ(LayoutRect(0, 0, 140, 70), rect);
rect = visualRect;
target->flipForWritingMode(rect);
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(LayoutRect(222, 111, 140, 70), rect);
checkPaintInvalidationStateRectMapping(rect, visualRect, *target,
layoutView(), layoutView());
}
TEST_F(VisualRectMappingTest, LayoutText) {
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" text text text text text text text"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
LayoutText* text = toLayoutText(container->lastChild());
container->setScrollTop(LayoutUnit(50));
LayoutRect originalRect(0, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(text->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 80));
rect = originalRect;
EXPECT_TRUE(text->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 40));
checkPaintInvalidationStateRectMapping(rect, originalRect, *text,
layoutView(), layoutView());
rect = LayoutRect(0, 60, 80, 0);
EXPECT_TRUE(
text->mapToVisualRectInAncestorSpace(container, rect, EdgeInclusive));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 80, 0));
}
TEST_F(PaintControllerPaintTestForSlimmingPaintV2, CompositingFold) {
setBodyInnerHTML(
"<div id='div' style='width: 200px; height: 200px; opacity: 0.5'>"
" <div style='width: 100px; height: 100px; background-color: "
"blue'></div>"
"</div>");
PaintLayer& htmlLayer =
*toLayoutBoxModelObject(document().documentElement()->layoutObject())
->layer();
LayoutBlock& div = *toLayoutBlock(getLayoutObjectByElementId("div"));
LayoutObject& subDiv = *div.firstChild();
EXPECT_DISPLAY_LIST(
rootPaintController().getDisplayItemList(), 8,
TestDisplayItem(layoutView(),
DisplayItem::kClipFrameToVisibleContentRect),
TestDisplayItem(*layoutView().layer(), DisplayItem::kSubsequence),
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
// The begin and end compositing display items have been folded into this
// one.
TestDisplayItem(subDiv, backgroundType),
TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence),
TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
TestDisplayItem(layoutView(),
DisplayItem::clipTypeToEndClipType(
DisplayItem::kClipFrameToVisibleContentRect)));
}
TEST_F(VisualRectMappingTest, LayoutInline) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" <span id=leaf></span></div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
LayoutObject* leaf = container->lastChild();
container->setScrollTop(LayoutUnit(50));
LayoutRect originalRect(0, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 80));
rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 40));
checkPaintInvalidationStateRectMapping(rect, originalRect, *leaf,
layoutView(), layoutView());
rect = LayoutRect(0, 60, 80, 0);
EXPECT_TRUE(
leaf->mapToVisualRectInAncestorSpace(container, rect, EdgeInclusive));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 80, 0));
}
float TextAutosizer::inflate(LayoutObject* parent, InflateBehavior behavior, float multiplier)
{
Cluster* cluster = currentCluster();
bool hasTextChild = false;
LayoutObject* child = nullptr;
if (parent->isLayoutBlock() && (parent->childrenInline() || behavior == DescendToInnerBlocks))
child = toLayoutBlock(parent)->firstChild();
else if (parent->isLayoutInline())
child = toLayoutInline(parent)->firstChild();
while (child) {
if (child->isText()) {
hasTextChild = true;
// We only calculate this multiplier on-demand to ensure the parent block of this text
// has entered layout.
if (!multiplier)
multiplier = cluster->m_flags & SUPPRESSING ? 1.0f : clusterMultiplier(cluster);
applyMultiplier(child, multiplier);
// FIXME: Investigate why MarkOnlyThis is sufficient.
if (parent->isLayoutInline())
child->setPreferredLogicalWidthsDirty(MarkOnlyThis);
} else if (child->isLayoutInline()) {
multiplier = inflate(child, behavior, multiplier);
} else if (child->isLayoutBlock() && behavior == DescendToInnerBlocks
&& !classifyBlock(child, INDEPENDENT | EXPLICIT_WIDTH | SUPPRESSING)) {
multiplier = inflate(child, behavior, multiplier);
}
child = child->nextSibling();
}
if (hasTextChild) {
applyMultiplier(parent, multiplier); // Parent handles line spacing.
} else if (!parent->isListItem()) {
// For consistency, a block with no immediate text child should always have a
// multiplier of 1.
applyMultiplier(parent, 1);
}
if (parent->isListItem()) {
float multiplier = clusterMultiplier(cluster);
applyMultiplier(parent, multiplier);
// The list item has to be treated special because we can have a tree such that you have
// a list item for a form inside it. The list marker then ends up inside the form and when
// we try to get the clusterMultiplier we have the wrong cluster root to work from and get
// the wrong value.
LayoutListItem* item = toLayoutListItem(parent);
if (LayoutListMarker* marker = item->marker()) {
applyMultiplier(marker, multiplier);
marker->setPreferredLogicalWidthsDirty(MarkOnlyThis);
}
}
return multiplier;
}
TEST_P(PaintControllerPaintTestForSlimmingPaintV1AndV2, InlineRelayout) {
setBodyInnerHTML(
"<div id='div' style='width:100px; height: 200px'>AAAAAAAAAA "
"BBBBBBBBBB</div>");
Element& div = *toElement(document().body()->firstChild());
LayoutBlock& divBlock =
*toLayoutBlock(document().body()->firstChild()->layoutObject());
LayoutText& text = *toLayoutText(divBlock.firstChild());
InlineTextBox& firstTextBox = *text.firstTextBox();
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
EXPECT_DISPLAY_LIST(
rootPaintController().getDisplayItemList(), 6,
TestDisplayItem(layoutView(),
DisplayItem::kClipFrameToVisibleContentRect),
TestDisplayItem(*layoutView().layer(), DisplayItem::kSubsequence),
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(firstTextBox, foregroundType),
TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
TestDisplayItem(layoutView(),
DisplayItem::clipTypeToEndClipType(
DisplayItem::kClipFrameToVisibleContentRect)));
} else {
EXPECT_DISPLAY_LIST(rootPaintController().getDisplayItemList(), 2,
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(firstTextBox, foregroundType));
}
div.setAttribute(HTMLNames::styleAttr, "width: 10px; height: 200px");
document().view()->updateAllLifecyclePhases();
LayoutText& newText = *toLayoutText(divBlock.firstChild());
InlineTextBox& newFirstTextBox = *newText.firstTextBox();
InlineTextBox& secondTextBox = *newText.firstTextBox()->nextTextBox();
if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
EXPECT_DISPLAY_LIST(
rootPaintController().getDisplayItemList(), 7,
TestDisplayItem(layoutView(),
DisplayItem::kClipFrameToVisibleContentRect),
TestDisplayItem(*layoutView().layer(), DisplayItem::kSubsequence),
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(newFirstTextBox, foregroundType),
TestDisplayItem(secondTextBox, foregroundType),
TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
TestDisplayItem(layoutView(),
DisplayItem::clipTypeToEndClipType(
DisplayItem::kClipFrameToVisibleContentRect)));
} else {
EXPECT_DISPLAY_LIST(rootPaintController().getDisplayItemList(), 3,
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(newFirstTextBox, foregroundType),
TestDisplayItem(secondTextBox, foregroundType));
}
}
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, 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(PaintContainmentTest, InlinePaintContainment)
{
setBodyInnerHTML("<div><span id='test' style='contain: paint'>Foo</span></div>");
Element* span = document().getElementById(AtomicString("test"));
ASSERT(span);
// The inline should have been coerced into a block in StyleAdjuster.
LayoutObject* obj = span->layoutObject();
ASSERT(obj && obj->isLayoutBlock());
LayoutBlock& layoutBlock = toLayoutBlock(*obj);
checkIsClippingStackingContextAndContainer(layoutBlock);
}
TEST_F(PaintContainmentTest, BlockPaintContainment)
{
setBodyInnerHTML("<div id='div' style='contain: paint'></div>");
Element* div = document().getElementById(AtomicString("div"));
ASSERT(div);
LayoutObject* obj = div->layoutObject();
ASSERT(obj && obj->isLayoutBlock());
LayoutBlock& block = toLayoutBlock(*obj);
EXPECT_TRUE(block.createsNewFormattingContext());
EXPECT_FALSE(block.canBeScrolledAndHasScrollableArea());
checkIsClippingStackingContextAndContainer(block);
}
TEST_F(VisualRectMappingTest, LayoutView) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id=frameContainer>"
" <iframe src='http://test.com' width='50' height='50' "
"frameBorder='0'></iframe>"
"</div>");
setChildFrameHTML(
"<style>body { margin: 0; }</style><span><img style='width: 20px; "
"height: 100px'></span>text text text");
document().view()->updateAllLifecyclePhases();
LayoutBlock* frameContainer =
toLayoutBlock(getLayoutObjectByElementId("frameContainer"));
LayoutBlock* frameBody =
toLayoutBlock(childDocument().body()->layoutObject());
LayoutText* frameText = toLayoutText(frameBody->lastChild());
// This case involves clipping: frame height is 50, y-coordinate of result
// rect is 13, so height should be clipped to (50 - 13) == 37.
childDocument().view()->setScrollOffset(ScrollOffset(0, 47),
ProgrammaticScroll);
LayoutRect originalRect(4, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(frameText->mapToVisualRectInAncestorSpace(frameContainer, rect));
EXPECT_EQ(rect, LayoutRect(4, 13, 20, 37));
rect = originalRect;
EXPECT_TRUE(frameText->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(4, 13, 20, 37));
checkPaintInvalidationStateRectMapping(rect, originalRect, *frameText,
layoutView(), layoutView());
rect = LayoutRect(4, 60, 0, 80);
EXPECT_TRUE(frameText->mapToVisualRectInAncestorSpace(frameContainer, rect,
EdgeInclusive));
EXPECT_EQ(rect, LayoutRect(4, 13, 0, 37));
}
TEST_P(PaintControllerPaintTestForSlimmingPaintV1AndV2, InlineRelayout)
{
setBodyInnerHTML("<div id='div' style='width:100px; height: 200px'>AAAAAAAAAA BBBBBBBBBB</div>");
PaintLayer& rootLayer = *layoutView().layer();
Element& div = *toElement(document().body()->firstChild());
LayoutBlock& divBlock = *toLayoutBlock(document().body()->firstChild()->layoutObject());
LayoutText& text = *toLayoutText(divBlock.firstChild());
InlineTextBox& firstTextBox = *text.firstTextBox();
if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) {
EXPECT_DISPLAY_LIST(rootPaintController().displayItemList(), 4,
TestDisplayItem(rootLayer, DisplayItem::Subsequence),
TestDisplayItem(layoutView(), backgroundType),
TestDisplayItem(firstTextBox, foregroundType),
TestDisplayItem(rootLayer, DisplayItem::EndSubsequence));
} else {
GraphicsContext context(rootPaintController());
PaintLayerPaintingInfo paintingInfo(&rootLayer, LayoutRect(0, 0, 800, 600), GlobalPaintNormalPhase, LayoutSize());
PaintLayerPainter(rootLayer).paintLayerContents(&context, paintingInfo, PaintLayerPaintingCompositingAllPhases);
rootPaintController().commitNewDisplayItems();
EXPECT_DISPLAY_LIST(rootPaintController().displayItemList(), 2,
TestDisplayItem(layoutView(), backgroundType),
TestDisplayItem(firstTextBox, foregroundType));
}
div.setAttribute(HTMLNames::styleAttr, "width: 10px; height: 200px");
document().view()->updateAllLifecyclePhases();
LayoutText& newText = *toLayoutText(divBlock.firstChild());
InlineTextBox& newFirstTextBox = *newText.firstTextBox();
InlineTextBox& secondTextBox = *newText.firstTextBox()->nextTextBox();
if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled()) {
EXPECT_DISPLAY_LIST(rootPaintController().displayItemList(), 5,
TestDisplayItem(rootLayer, DisplayItem::Subsequence),
TestDisplayItem(layoutView(), backgroundType),
TestDisplayItem(newFirstTextBox, foregroundType),
TestDisplayItem(secondTextBox, foregroundType),
TestDisplayItem(rootLayer, DisplayItem::EndSubsequence));
} else {
GraphicsContext context(rootPaintController());
PaintLayerPaintingInfo paintingInfo(&rootLayer, LayoutRect(0, 0, 800, 600), GlobalPaintNormalPhase, LayoutSize());
PaintLayerPainter(rootLayer).paintLayerContents(&context, paintingInfo, PaintLayerPaintingCompositingAllPhases);
rootPaintController().commitNewDisplayItems();
EXPECT_DISPLAY_LIST(rootPaintController().displayItemList(), 3,
TestDisplayItem(layoutView(), backgroundType),
TestDisplayItem(newFirstTextBox, foregroundType),
TestDisplayItem(secondTextBox, foregroundType));
}
}
LayoutBlock* CaretBase::caretLayoutObject(Node* node)
{
if (!node)
return nullptr;
LayoutObject* layoutObject = node->layoutObject();
if (!layoutObject)
return nullptr;
// if caretNode is a block and caret is inside it then caret should be painted by that block
bool paintedByBlock = layoutObject->isLayoutBlock() && caretRendersInsideNode(node);
return paintedByBlock ? toLayoutBlock(layoutObject) : layoutObject->containingBlock();
}
TEST_F(LayoutObjectTest, PaintingLayerOfOverflowClipLayerUnderColumnSpanAll) {
setBodyInnerHTML(
"<div id='columns' style='columns: 3'>"
" <div style='column-span: all'>"
" <div id='overflow-clip-layer' style='height: 100px; overflow: "
"hidden'></div>"
" </div>"
"</div>");
LayoutObject* overflowClipObject =
getLayoutObjectByElementId("overflow-clip-layer");
LayoutBlock* columns = toLayoutBlock(getLayoutObjectByElementId("columns"));
EXPECT_EQ(columns->layer(), overflowClipObject->paintingLayer());
}
TEST_F(VisualRectMappingTest, LayoutViewDisplayNone) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id=frameContainer>"
" <iframe id='frame' src='http://test.com' width='50' height='50' "
"frameBorder='0'></iframe>"
"</div>");
setChildFrameHTML(
"<style>body { margin: 0; }</style><div "
"style='width:100px;height:100px;'></div>");
document().view()->updateAllLifecyclePhases();
LayoutBlock* frameContainer =
toLayoutBlock(getLayoutObjectByElementId("frameContainer"));
LayoutBlock* frameBody =
toLayoutBlock(childDocument().body()->layoutObject());
LayoutBlock* frameDiv = toLayoutBlock(frameBody->lastChild());
// This part is copied from the LayoutView test, just to ensure that the
// mapped rect is valid before display:none is set on the iframe.
childDocument().view()->setScrollOffset(ScrollOffset(0, 47),
ProgrammaticScroll);
LayoutRect originalRect(4, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(frameDiv->mapToVisualRectInAncestorSpace(frameContainer, rect));
EXPECT_EQ(rect, LayoutRect(4, 13, 20, 37));
Element* frameElement = document().getElementById("frame");
frameElement->setInlineStyleProperty(CSSPropertyDisplay, "none");
document().view()->updateAllLifecyclePhases();
rect = originalRect;
EXPECT_FALSE(frameDiv->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect());
}
TEST_F(VisualRectMappingTest,
ContainerOfAbsoluteAbovePaintInvalidationContainer) {
enableCompositing();
document().frame()->settings()->setPreferCompositingToLCDTextEnabled(true);
setBodyInnerHTML(
"<div id='container' style='position: absolute; top: 88px; left: 99px'>"
" <div style='height: 222px'></div>"
// This div makes stacking-context composited.
" <div style='position: absolute; width: 1px; height: 1px; "
"background:yellow; will-change: transform'></div>"
// This stacking context is paintInvalidationContainer of the absolute
// child, but not a container of it.
" <div id='stacking-context' style='opacity: 0.9'>"
" <div id='absolute' style='position: absolute; top: 50px; left: "
"50px; width: 50px; height: 50px; background: green'></div>"
" </div>"
"</div>");
LayoutBlock* stackingContext =
toLayoutBlock(getLayoutObjectByElementId("stacking-context"));
LayoutBlock* absolute = toLayoutBlock(getLayoutObjectByElementId("absolute"));
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(stackingContext, &absolute->containerForPaintInvalidation());
EXPECT_EQ(container, absolute->container());
LayoutRect absoluteVisualRect = absolute->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 50, 50), absoluteVisualRect);
LayoutRect rect = absoluteVisualRect;
EXPECT_TRUE(absolute->mapToVisualRectInAncestorSpace(stackingContext, rect));
// -172 = top(50) - y_offset_of_stacking_context(222)
EXPECT_EQ(LayoutRect(50, -172, 50, 50), rect);
checkPaintInvalidationStateRectMapping(rect, absoluteVisualRect, *absolute,
layoutView(), *stackingContext);
}
void TextAutosizer::prepareClusterStack(const LayoutObject* layoutObject)
{
if (!layoutObject)
return;
prepareClusterStack(layoutObject->parent());
if (layoutObject->isLayoutBlock()) {
const LayoutBlock* block = toLayoutBlock(layoutObject);
#if ENABLE(ASSERT)
m_blocksThatHaveBegunLayout.add(block);
#endif
if (Cluster* cluster = maybeCreateCluster(block))
m_clusterStack.append(adoptPtr(cluster));
}
}
TEST_F(LayoutObjectTest, MapToVisibleRectInContainerSpace)
{
setBodyInnerHTML(
"<div id='container' style='overflow: scroll; will-change: transform; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" text text text text text text text"
"</div>");
LayoutBlock* container = toLayoutBlock(document().getElementById("container")->layoutObject());
LayoutText* text = toLayoutText(container->lastChild());
container->setScrollTop(50);
LayoutRect rect(0, 60, 20, 20);
text->mapToVisibleRectInAncestorSpace(container, rect, nullptr);
EXPECT_TRUE(rect == LayoutRect(0, 10, 20, 20));
}
TEST_F(PaintControllerPaintTestForSlimmingPaintV2, ChunkIdClientCacheFlag) {
setBodyInnerHTML(
"<div id='div' style='width: 200px; height: 200px; opacity: 0.5'>"
" <div style='width: 100px; height: 100px; background-color: "
"blue'></div>"
" <div style='width: 100px; height: 100px; background-color: "
"blue'></div>"
"</div>");
PaintLayer& htmlLayer =
*toLayoutBoxModelObject(document().documentElement()->layoutObject())
->layer();
LayoutBlock& div = *toLayoutBlock(getLayoutObjectByElementId("div"));
LayoutObject& subDiv = *div.firstChild();
LayoutObject& subDiv2 = *subDiv.nextSibling();
EXPECT_DISPLAY_LIST(
rootPaintController().getDisplayItemList(), 11,
TestDisplayItem(layoutView(),
DisplayItem::kClipFrameToVisibleContentRect),
TestDisplayItem(*layoutView().layer(), DisplayItem::kSubsequence),
TestDisplayItem(layoutView(), documentBackgroundType),
TestDisplayItem(htmlLayer, DisplayItem::kSubsequence),
TestDisplayItem(div, DisplayItem::kBeginCompositing),
TestDisplayItem(subDiv, backgroundType),
TestDisplayItem(subDiv2, backgroundType),
TestDisplayItem(div, DisplayItem::kEndCompositing),
TestDisplayItem(htmlLayer, DisplayItem::kEndSubsequence),
TestDisplayItem(*layoutView().layer(), DisplayItem::kEndSubsequence),
TestDisplayItem(layoutView(),
DisplayItem::clipTypeToEndClipType(
DisplayItem::kClipFrameToVisibleContentRect)));
const PaintChunk& backgroundChunk = rootPaintController().paintChunks()[0];
EXPECT_TRUE(backgroundChunk.properties.scroll->isRoot());
const EffectPaintPropertyNode* effectNode = div.paintProperties()->effect();
EXPECT_EQ(0.5f, effectNode->opacity());
const PaintChunk& chunk = rootPaintController().paintChunks()[1];
EXPECT_EQ(*div.layer(), chunk.id->client);
EXPECT_EQ(effectNode, chunk.properties.effect.get());
EXPECT_FALSE(div.layer()->isJustCreated());
// Client used by only paint chunks and non-cachaeable display items but not
// by any cacheable display items won't be marked as validly cached.
EXPECT_FALSE(rootPaintController().clientCacheIsValid(*div.layer()));
EXPECT_FALSE(rootPaintController().clientCacheIsValid(div));
EXPECT_TRUE(rootPaintController().clientCacheIsValid(subDiv));
}
void LayoutTextControl::styleDidChange(StyleDifference diff, const ComputedStyle* oldStyle)
{
LayoutBlockFlow::styleDidChange(diff, oldStyle);
Element* innerEditor = innerEditorElement();
if (!innerEditor)
return;
LayoutBlock* innerEditorLayoutObject = toLayoutBlock(innerEditor->layoutObject());
if (innerEditorLayoutObject) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerEditorLayoutObject->mutableStyleRef().setHeight(Length());
innerEditorLayoutObject->mutableStyleRef().setWidth(Length());
innerEditorLayoutObject->setStyle(createInnerEditorStyle(styleRef()));
innerEditor->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Control));
}
textFormControlElement()->updatePlaceholderVisibility(false);
}
bool TextAutosizer::FingerprintMapper::remove(const LayoutObject* layoutObject)
{
Fingerprint fingerprint = m_fingerprints.take(layoutObject);
if (!fingerprint || !layoutObject->isLayoutBlock())
return false;
ReverseFingerprintMap::iterator blocksIter = m_blocksForFingerprint.find(fingerprint);
if (blocksIter == m_blocksForFingerprint.end())
return false;
BlockSet& blocks = *blocksIter->value;
blocks.remove(toLayoutBlock(layoutObject));
if (blocks.isEmpty())
m_blocksForFingerprint.remove(blocksIter);
#if ENABLE(ASSERT)
assertMapsAreConsistent();
#endif
return true;
}
// FIXME: Refactor this to look more like TextAutosizer::deepestCommonAncestor.
const LayoutBlock* TextAutosizer::deepestBlockContainingAllText(const LayoutBlock* root) const
{
size_t firstDepth = 0;
const LayoutObject* firstTextLeaf = findTextLeaf(root, firstDepth, First);
if (!firstTextLeaf)
return root;
size_t lastDepth = 0;
const LayoutObject* lastTextLeaf = findTextLeaf(root, lastDepth, Last);
ASSERT(lastTextLeaf);
// Equalize the depths if necessary. Only one of the while loops below will get executed.
const LayoutObject* firstNode = firstTextLeaf;
const LayoutObject* lastNode = lastTextLeaf;
while (firstDepth > lastDepth) {
firstNode = firstNode->parent();
--firstDepth;
}
while (lastDepth > firstDepth) {
lastNode = lastNode->parent();
--lastDepth;
}
// Go up from both nodes until the parent is the same. Both pointers will point to the LCA then.
while (firstNode != lastNode) {
firstNode = firstNode->parent();
lastNode = lastNode->parent();
}
if (firstNode->isLayoutBlock())
return toLayoutBlock(firstNode);
// containingBlock() should never leave the cluster, since it only skips ancestors when finding
// the container of position:absolute/fixed blocks, and those cannot exist between a cluster and
// its text node's lowest common ancestor as isAutosizingCluster would have made them into their
// own independent cluster.
const LayoutBlock* containingBlock = firstNode->containingBlock();
if (!containingBlock)
return root;
ASSERT(containingBlock->isDescendantOf(root));
return containingBlock;
}
LayoutBlock* CaretBase::caretLayoutObject(Node* node) {
if (!node)
return nullptr;
LayoutObject* layoutObject = node->layoutObject();
if (!layoutObject)
return nullptr;
// if caretNode is a block and caret is inside it then caret should be painted
// by that block
bool paintedByBlock =
layoutObject->isLayoutBlock() && caretRendersInsideNode(node);
// TODO(yoichio): This function is called at least
// DocumentLifeCycle::LayoutClean but caretRendersInsideNode above can
// layout. Thus |node->layoutObject()| can be changed then this is bad
// design. We should make caret painting algorithm clean.
CHECK_EQ(layoutObject, node->layoutObject())
<< "Layout tree should not changed";
return paintedByBlock ? toLayoutBlock(layoutObject)
: layoutObject->containingBlock();
}