Refactor LocalBorderBoxProperties to use PropertyTreeState

third_party/WebKit/Source/core/paint/PaintPropertyTreeBuilderTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintPropertyTreePrinter.h"
 #include "platform/graphics/paint/GeometryMapper.h"
@@ skipping 77 matching lines @@
         Settings::setMockScrollbarsEnabled(false);
     }
 };
 
 #define CHECK_VISUAL_RECT(expected, sourceLayoutObject, ancestorLayoutObject, slopFactor) \
 do { \
     GeometryMapper geometryMapper; \
     LayoutRect source((sourceLayoutObject)->localOverflowRectForPaintInvalidation()); \
     source.moveBy((sourceLayoutObject)->objectPaintProperties()->localBorderBoxProperties()->paintOffset); \
     bool success = false; \
-    GeometryPropertyTreeState contentsProperties; \
-    (ancestorLayoutObject)->objectPaintProperties()->getContentsProperties(contentsProperties); \
+    const ObjectPaintProperties* ancestorProperies = (ancestorLayoutObject)->objectPaintProperties(); \
+    GeometryPropertyTreeState contentsProperties = ancestorProperies->getContentsProperties(); \
+    const auto* sourceBorderBoxProperties = (sourceLayoutObject)->objectPaintProperties()->localBorderBoxProperties(); \
+    GeometryPropertyTreeState localBorderBoxProperties(sourceBorderBoxProperties->propertyTreeState.transform, sourceBorderBoxProperties->propertyTreeState.clip, sourceBorderBoxProperties->propertyTreeState.effect); \
     FloatRect actual = geometryMapper.mapToVisualRectInDestinationSpace( \
         FloatRect(source), \
-        (sourceLayoutObject)->objectPaintProperties()->localBorderBoxProperties()->geometryPropertyTreeState, \
+        localBorderBoxProperties, \
         contentsProperties, success); \
     ASSERT_TRUE(success); \
     EXPECT_EQ(expected, LayoutRect(actual)) << "GeometryMapper: expected: " << expected.toString() << ", actual: " << actual.toString(); \
 \
     if (slopFactor == LayoutUnit::max()) \
         break; \
     LayoutRect slowPathRect = (sourceLayoutObject)->localOverflowRectForPaintInvalidation(); \
     (sourceLayoutObject)->mapToVisualRectInAncestorSpace(ancestorLayoutObject, slowPathRect); \
     if (slopFactor) { \
         LayoutRect inflatedActual = LayoutRect(actual); \
@@ skipping 731 matching lines @@
         "  <div style='height:10000px;'></div>"
         "</div>"
     );
     FrameView* frameView = document().view();
 
     LayoutObject* scroller = document().getElementById("scroller")->layoutObject();
     const ObjectPaintProperties* scrollerProperties = scroller->objectPaintProperties();
     LayoutObject* child = document().getElementById("child")->layoutObject();
     const ObjectPaintProperties* childProperties = child->objectPaintProperties();
 
-    EXPECT_EQ(scrollerProperties->overflowClip(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
-    EXPECT_EQ(scrollerProperties->scrollTranslation(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_NE(nullptr, childProperties->localBorderBoxProperties()->geometryPropertyTreeState.effect);
+    EXPECT_EQ(scrollerProperties->overflowClip(), childProperties->localBorderBoxProperties()->propertyTreeState.clip);
+    EXPECT_EQ(scrollerProperties->scrollTranslation(), childProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_NE(nullptr, childProperties->localBorderBoxProperties()->propertyTreeState.effect);
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 400, 300), scroller, frameView->layoutView());
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 100, 200), child, frameView->layoutView());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, TreeContextUnclipFromParentStackingContext)
 {
     // This test verifies the tree builder correctly computes and records the property tree context
     // for a (pseudo) stacking context that has a scrolling painting ancestor that is not its
     // containing block (thus should not be scrolled by it).
 
     setBodyInnerHTML(
         "<style>body { margin: 0; }</style>"
         "<div id='scroller' style='overflow:scroll; opacity:0.5;'>"
         "  <div id='child' style='position:absolute; left:0; top:0; width: 100px; height: 200px'></div>"
         "  <div style='height:10000px;'></div>"
         "</div>"
     );
 
     LayoutObject& scroller = *document().getElementById("scroller")->layoutObject();
     const ObjectPaintProperties* scrollerProperties = scroller.objectPaintProperties();
     LayoutObject& child = *document().getElementById("child")->layoutObject();
     const ObjectPaintProperties* childProperties = child.objectPaintProperties();
 
-    EXPECT_EQ(frameContentClip(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
-    EXPECT_EQ(frameScrollTranslation(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_EQ(scrollerProperties->effect(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.effect);
+    EXPECT_EQ(frameContentClip(), childProperties->localBorderBoxProperties()->propertyTreeState.clip);
+    EXPECT_EQ(frameScrollTranslation(), childProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_EQ(scrollerProperties->effect(), childProperties->localBorderBoxProperties()->propertyTreeState.effect);
     if (!RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
         CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 800, 10000), &scroller, document().view()->layoutView());
     }
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 100, 200), &child, document().view()->layoutView());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, TableCellLayoutLocation)
 {
     // This test verifies that the border box space of a table cell is being correctly computed.
     // Table cells have weird location adjustment in our layout/paint implementation.
@@ skipping 22 matching lines @@
         "<table>"
         "  <tr><td></td><td></td></tr>"
         "  <tr><td></td><td><div id='target'></div></td></tr>"
         "</table>"
     );
 
     LayoutObject& target = *document().getElementById("target")->layoutObject();
     const ObjectPaintProperties* targetProperties = target.objectPaintProperties();
 
     EXPECT_EQ(LayoutPoint(170, 170), targetProperties->localBorderBoxProperties()->paintOffset);
-    EXPECT_EQ(frameScrollTranslation(), targetProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
+    EXPECT_EQ(frameScrollTranslation(), targetProperties->localBorderBoxProperties()->propertyTreeState.transform);
     CHECK_EXACT_VISUAL_RECT(LayoutRect(170, 170, 100, 100), &target, document().view()->layoutView());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, CSSClipFixedPositionDescendant)
 {
     // This test verifies that clip tree hierarchy being generated correctly for the hard case
     // such that a fixed position element getting clipped by an absolute position CSS clip.
     setBodyInnerHTML(
         "<style>"
         "  #clip {"
@@ skipping 22 matching lines @@
     const ObjectPaintProperties* clipProperties = clip.objectPaintProperties();
     EXPECT_EQ(frameContentClip(), clipProperties->cssClip()->parent());
     EXPECT_EQ(frameScrollTranslation(), clipProperties->cssClip()->localTransformSpace());
     EXPECT_EQ(FloatRoundedRect(FloatRect(absoluteClipRect)), clipProperties->cssClip()->clipRect());
     CHECK_VISUAL_RECT(absoluteClipRect, &clip, document().view()->layoutView(),
         // TODO(crbug.com/599939): mapToVisualRectInAncestorSpace() doesn't apply css clip on the object itself.
         LayoutUnit::max());
 
     LayoutObject* fixed = document().getElementById("fixed")->layoutObject();
     const ObjectPaintProperties* fixedProperties = fixed->objectPaintProperties();
-    EXPECT_EQ(clipProperties->cssClip(), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
-    EXPECT_EQ(framePreTranslation(), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform->parent());
-    EXPECT_EQ(TransformationMatrix().translate(654, 321), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform->matrix());
+    EXPECT_EQ(clipProperties->cssClip(), fixedProperties->localBorderBoxProperties()->propertyTreeState.clip);
+    EXPECT_EQ(framePreTranslation(), fixedProperties->localBorderBoxProperties()->propertyTreeState.transform->parent());
+    EXPECT_EQ(TransformationMatrix().translate(654, 321), fixedProperties->localBorderBoxProperties()->propertyTreeState.transform->matrix());
     EXPECT_EQ(LayoutPoint(), fixedProperties->localBorderBoxProperties()->paintOffset);
     CHECK_VISUAL_RECT(LayoutRect(), fixed, document().view()->layoutView(),
         // TODO(crbug.com/599939): CSS clip of fixed-position descendants is broken in mapToVisualRectInAncestorSpace().
         LayoutUnit::max());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, CSSClipAbsPositionDescendant)
 {
     // This test verifies that clip tree hierarchy being generated correctly for the hard case
     // such that a fixed position element getting clipped by an absolute position CSS clip.
@@ skipping 25 matching lines @@
     const ObjectPaintProperties* clipProperties = clip->objectPaintProperties();
     EXPECT_EQ(frameContentClip(), clipProperties->cssClip()->parent());
     EXPECT_EQ(frameScrollTranslation(), clipProperties->cssClip()->localTransformSpace());
     EXPECT_EQ(FloatRoundedRect(FloatRect(absoluteClipRect)), clipProperties->cssClip()->clipRect());
     CHECK_VISUAL_RECT(absoluteClipRect, clip, document().view()->layoutView(),
         // TODO(crbug.com/599939): mapToVisualRectInAncestorSpace() doesn't apply css clip on the object itself.
         LayoutUnit::max());
 
     LayoutObject* absolute = document().getElementById("absolute")->layoutObject();
     const ObjectPaintProperties* absPosProperties = absolute->objectPaintProperties();
-    EXPECT_EQ(clipProperties->cssClip(), absPosProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
-    EXPECT_EQ(framePreTranslation(), absPosProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform->parent());
+    EXPECT_EQ(clipProperties->cssClip(), absPosProperties->localBorderBoxProperties()->propertyTreeState.clip);
+    EXPECT_EQ(framePreTranslation(), absPosProperties->localBorderBoxProperties()->propertyTreeState.transform->parent());
     EXPECT_EQ(LayoutPoint(123, 456), absPosProperties->localBorderBoxProperties()->paintOffset);
     CHECK_VISUAL_RECT(LayoutRect(), absolute, document().view()->layoutView(),
         // TODO(crbug.com/599939): CSS clip of fixed-position descendants is broken in mapToVisualRectInAncestorSpace().
         LayoutUnit::max());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, CSSClipFixedPositionDescendantNonShared)
 {
     // This test is similar to CSSClipFixedPositionDescendant above, except that
     // now we have a parent overflow clip that should be escaped by the fixed descendant.
@@ skipping 39 matching lines @@
     EXPECT_EQ(overflowProperties->overflowClip(), clipProperties->cssClip()->parent());
     EXPECT_EQ(overflowProperties->scrollTranslation(), clipProperties->cssClip()->localTransformSpace());
     EXPECT_EQ(FloatRoundedRect(FloatRect(absoluteClipRect)), clipProperties->cssClip()->clipRect());
     EXPECT_EQ(frameContentClip(), clipProperties->cssClipFixedPosition()->parent());
     EXPECT_EQ(overflowProperties->scrollTranslation(), clipProperties->cssClipFixedPosition()->localTransformSpace());
     EXPECT_EQ(FloatRoundedRect(FloatRect(absoluteClipRect)), clipProperties->cssClipFixedPosition()->clipRect());
     CHECK_EXACT_VISUAL_RECT(LayoutRect(), clip, document().view()->layoutView());
 
     LayoutObject* fixed = document().getElementById("fixed")->layoutObject();
     const ObjectPaintProperties* fixedProperties = fixed->objectPaintProperties();
-    EXPECT_EQ(clipProperties->cssClipFixedPosition(), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
-    EXPECT_EQ(framePreTranslation(), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform->parent());
-    EXPECT_EQ(TransformationMatrix().translate(654, 321), fixedProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform->matrix());
+    EXPECT_EQ(clipProperties->cssClipFixedPosition(), fixedProperties->localBorderBoxProperties()->propertyTreeState.clip);
+    EXPECT_EQ(framePreTranslation(), fixedProperties->localBorderBoxProperties()->propertyTreeState.transform->parent());
+    EXPECT_EQ(TransformationMatrix().translate(654, 321), fixedProperties->localBorderBoxProperties()->propertyTreeState.transform->matrix());
     EXPECT_EQ(LayoutPoint(), fixedProperties->localBorderBoxProperties()->paintOffset);
     CHECK_VISUAL_RECT(LayoutRect(), fixed, document().view()->layoutView(),
         // TODO(crbug.com/599939): CSS clip of fixed-position descendants is broken in geometry mapping.
         LayoutUnit::max());
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, ColumnSpannerUnderRelativePositioned)
 {
     setBodyInnerHTML(
         "<div style='columns: 3; position: absolute; top: 44px; left: 55px;'>"
@@ skipping 526 matching lines @@
         "<div id='clipper' style='overflow:hidden; width:400px; height:300px;'>"
         "  <div id='child' style='position:relative; width:500px; height: 600px;'></div>"
         "</div>"
     );
 
     LayoutBoxModelObject* clipper = toLayoutBoxModelObject(document().getElementById("clipper")->layoutObject());
     const ObjectPaintProperties* clipProperties = clipper->objectPaintProperties();
     LayoutObject* child = document().getElementById("child")->layoutObject();
     const ObjectPaintProperties* childProperties = child->objectPaintProperties();
 
-    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_EQ(frameContentClip(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
+    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_EQ(frameContentClip(), clipProperties->localBorderBoxProperties()->propertyTreeState.clip);
 
-    GeometryPropertyTreeState contentsProperties;
-    clipProperties->getContentsProperties(contentsProperties);
+    GeometryPropertyTreeState contentsProperties = clipProperties->getContentsProperties();
     EXPECT_EQ(frameScrollTranslation(), contentsProperties.transform);
     EXPECT_EQ(clipProperties->overflowClip(), contentsProperties.clip);
 
-    EXPECT_EQ(frameScrollTranslation(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_EQ(clipProperties->overflowClip(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
+    EXPECT_EQ(frameScrollTranslation(), childProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_EQ(clipProperties->overflowClip(), childProperties->localBorderBoxProperties()->propertyTreeState.clip);
 
-    EXPECT_NE(nullptr, childProperties->localBorderBoxProperties()->geometryPropertyTreeState.effect);
+    EXPECT_NE(nullptr, childProperties->localBorderBoxProperties()->propertyTreeState.effect);
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 500, 600), child, clipper);
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, OverflowScrollContentsProperties)
 {
     // This test verifies the tree builder correctly computes and records the property tree context
     // for a (pseudo) stacking context that is scrolled by a containing block that is not one of
     // the painting ancestors.
     setBodyInnerHTML(
         "<style>body { margin: 0; }</style>"
         "<div id='clipper' style='overflow:scroll; width:400px; height:300px;'>"
         "  <div id='child' style='position:relative; width:500px; height: 600px;'></div>"
         "  <div style='width: 200px; height: 10000px'>"
         "</div>"
     );
 
     Element* clipperElement = document().getElementById("clipper");
     clipperElement->scrollTo(1, 2);
 
     LayoutBoxModelObject* clipper = toLayoutBoxModelObject(clipperElement->layoutObject());
     const ObjectPaintProperties* clipProperties = clipper->objectPaintProperties();
     LayoutObject* child = document().getElementById("child")->layoutObject();
     const ObjectPaintProperties* childProperties = child->objectPaintProperties();
 
-    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_EQ(frameContentClip(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
+    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_EQ(frameContentClip(), clipProperties->localBorderBoxProperties()->propertyTreeState.clip);
 
-    GeometryPropertyTreeState contentsProperties;
-    clipProperties->getContentsProperties(contentsProperties);
+    GeometryPropertyTreeState contentsProperties = clipProperties->getContentsProperties();
     EXPECT_EQ(clipProperties->scrollTranslation(), contentsProperties.transform);
     EXPECT_EQ(clipProperties->overflowClip(), contentsProperties.clip);
 
-    EXPECT_EQ(clipProperties->scrollTranslation(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
-    EXPECT_EQ(clipProperties->overflowClip(), childProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
+    EXPECT_EQ(clipProperties->scrollTranslation(), childProperties->localBorderBoxProperties()->propertyTreeState.transform);
+    EXPECT_EQ(clipProperties->overflowClip(), childProperties->localBorderBoxProperties()->propertyTreeState.clip);
 
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 500, 600), child, clipper);
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, CssClipContentsProperties)
 {
     // This test verifies the tree builder correctly computes and records the property tree context
     // for a (pseudo) stacking context that is scrolled by a containing block that is not one of
     // the painting ancestors.
     setBodyInnerHTML(
         "<style>body { margin: 0; }</style>"
         "<div id='clipper' style='position: absolute; clip: rect(10px, 80px, 70px, 40px); width:400px; height:300px;'>"
         "  <div id='child' style='position:relative; width:500px; height: 600px;'></div>"
         "</div>"
     );
 
     LayoutBoxModelObject* clipper = toLayoutBoxModelObject(document().getElementById("clipper")->layoutObject());
     const ObjectPaintProperties* clipProperties = clipper->objectPaintProperties();
     LayoutObject* child = document().getElementById("child")->layoutObject();
 
-    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
+    EXPECT_EQ(frameScrollTranslation(), clipProperties->localBorderBoxProperties()->propertyTreeState.transform);
     // CSS clip on an element causes it to clip itself, not just descendants.
-    EXPECT_EQ(clipProperties->cssClip(), clipProperties->localBorderBoxProperties()->geometryPropertyTreeState.clip);
+    EXPECT_EQ(clipProperties->cssClip(), clipProperties->localBorderBoxProperties()->propertyTreeState.clip);
 
-    GeometryPropertyTreeState contentsProperties;
-    clipProperties->getContentsProperties(contentsProperties);
+    GeometryPropertyTreeState contentsProperties = clipProperties->getContentsProperties();
     EXPECT_EQ(frameScrollTranslation(), contentsProperties.transform);
     EXPECT_EQ(clipProperties->cssClip(), contentsProperties.clip);
 
     CHECK_EXACT_VISUAL_RECT(LayoutRect(0, 0, 500, 600), child, clipper);
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, SvgLocalToBorderBoxTransformContentsProperties)
 {
     setBodyInnerHTML(
         "<style>"
         "  body {"
         "    margin: 0px;"
         "  }"
         "  svg {"
         "    position: absolute;"
         "  }"
         "  rect {"
         "    transform: translate(100px, 100px);"
         "  }"
         "</style>"
         "<svg id='svgWithViewBox' width='100px' height='100px' viewBox='50 50 100 100'>"
         "  <rect id='rect' width='100px' height='100px' />"
         "</svg>");
 
     LayoutObject& svgWithViewBox = *document().getElementById("svgWithViewBox")->layoutObject();
     const ObjectPaintProperties* svgWithViewBoxProperties = svgWithViewBox.objectPaintProperties();
 
-    EXPECT_EQ(frameScrollTranslation(), svgWithViewBoxProperties->localBorderBoxProperties()->geometryPropertyTreeState.transform);
+    EXPECT_EQ(frameScrollTranslation(), svgWithViewBoxProperties->localBorderBoxProperties()->propertyTreeState.transform);
 
-    GeometryPropertyTreeState contentsProperties;
-    svgWithViewBoxProperties->getContentsProperties(contentsProperties);
+    GeometryPropertyTreeState contentsProperties = svgWithViewBoxProperties->getContentsProperties();
     EXPECT_EQ(svgWithViewBoxProperties->svgLocalToBorderBoxTransform(), contentsProperties.transform);
 }
 
 TEST_P(PaintPropertyTreeBuilderTest, OverflowHiddenScrollProperties)
 {
     setBodyInnerHTML(
         "<style>"
         "  body {"
         "    margin: 0px;"
         "  }"
@@ skipping 367 matching lines @@
 
     // Removing a main thread scrolling reason should update the entire tree.
     overflowB->removeAttribute("class");
     document().view()->updateAllLifecyclePhases();
     EXPECT_FALSE(overflowA->layoutObject()->objectPaintProperties()->scroll()->hasMainThreadScrollingReasons(MainThreadScrollingReason::kHasBackgroundAttachmentFixedObjects));
     EXPECT_FALSE(overflowB->layoutObject()->objectPaintProperties()->scroll()->hasMainThreadScrollingReasons(MainThreadScrollingReason::kHasBackgroundAttachmentFixedObjects));
     EXPECT_FALSE(overflowB->layoutObject()->objectPaintProperties()->scroll()->parent()->hasMainThreadScrollingReasons(MainThreadScrollingReason::kHasBackgroundAttachmentFixedObjects));
 }
 
 } // namespace blink