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// Copyright 2016 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 "third_party/blink/renderer/core/paint/paint_property_tree_printer.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/frame/visual_viewport.h"
#include "third_party/blink/renderer/core/layout/layout_embedded_content.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/paint/object_paint_properties.h"
#include <iomanip>
#include <sstream>
#if DCHECK_IS_ON()
namespace blink {
namespace {
template <typename PropertyTreeNode>
class PropertyTreePrinterTraits;
template <typename PropertyTreeNode>
class FrameViewPropertyTreePrinter
: public PropertyTreePrinter<PropertyTreeNode> {
public:
String TreeAsString(const LocalFrameView& frame_view) {
CollectNodes(frame_view);
return PropertyTreePrinter<PropertyTreeNode>::NodesAsTreeString();
}
private:
using Traits = PropertyTreePrinterTraits<PropertyTreeNode>;
void CollectNodes(const LocalFrameView& frame_view) {
Traits::AddVisualViewportProperties(
frame_view.GetPage()->GetVisualViewport(), *this);
if (LayoutView* layout_view = frame_view.GetLayoutView())
CollectNodes(*layout_view);
for (Frame* child = frame_view.GetFrame().Tree().FirstChild(); child;
child = child->Tree().NextSibling()) {
auto* child_local_frame = DynamicTo<LocalFrame>(child);
if (!child_local_frame)
continue;
if (LocalFrameView* child_view = child_local_frame->View())
CollectNodes(*child_view);
}
}
void CollectNodes(const LayoutObject& object) {
for (const auto* fragment = &object.FirstFragment(); fragment;
fragment = fragment->NextFragment()) {
if (const auto* properties = fragment->PaintProperties())
Traits::AddObjectPaintProperties(*properties, *this);
}
for (const auto* child = object.SlowFirstChild(); child;
child = child->NextSibling()) {
CollectNodes(*child);
}
}
};
template <>
class PropertyTreePrinterTraits<TransformPaintPropertyNodeOrAlias> {
public:
static void AddVisualViewportProperties(
const VisualViewport& visual_viewport,
PropertyTreePrinter<TransformPaintPropertyNodeOrAlias>& printer) {
printer.AddNode(visual_viewport.GetDeviceEmulationTransformNode());
printer.AddNode(visual_viewport.GetOverscrollElasticityTransformNode());
printer.AddNode(visual_viewport.GetPageScaleNode());
printer.AddNode(visual_viewport.GetScrollTranslationNode());
}
static void AddObjectPaintProperties(
const ObjectPaintProperties& properties,
PropertyTreePrinter<TransformPaintPropertyNodeOrAlias>& printer) {
printer.AddNode(properties.PaintOffsetTranslation());
printer.AddNode(properties.StickyTranslation());
printer.AddNode(properties.Transform());
printer.AddNode(properties.Perspective());
printer.AddNode(properties.ReplacedContentTransform());
printer.AddNode(properties.ScrollTranslation());
printer.AddNode(properties.TransformIsolationNode());
}
};
template <>
class PropertyTreePrinterTraits<ClipPaintPropertyNodeOrAlias> {
public:
static void AddVisualViewportProperties(
const VisualViewport& visual_viewport,
PropertyTreePrinter<ClipPaintPropertyNodeOrAlias>& printer) {}
static void AddObjectPaintProperties(
const ObjectPaintProperties& properties,
PropertyTreePrinter<ClipPaintPropertyNodeOrAlias>& printer) {
printer.AddNode(properties.FragmentClip());
printer.AddNode(properties.ClipPathClip());
printer.AddNode(properties.MaskClip());
printer.AddNode(properties.CssClip());
printer.AddNode(properties.CssClipFixedPosition());
printer.AddNode(properties.OverflowControlsClip());
printer.AddNode(properties.InnerBorderRadiusClip());
printer.AddNode(properties.OverflowClip());
printer.AddNode(properties.ClipIsolationNode());
}
};
template <>
class PropertyTreePrinterTraits<EffectPaintPropertyNodeOrAlias> {
public:
static void AddVisualViewportProperties(
const VisualViewport& visual_viewport,
PropertyTreePrinter<EffectPaintPropertyNodeOrAlias>& printer) {}
static void AddObjectPaintProperties(
const ObjectPaintProperties& properties,
PropertyTreePrinter<EffectPaintPropertyNodeOrAlias>& printer) {
printer.AddNode(properties.Effect());
printer.AddNode(properties.Filter());
printer.AddNode(properties.VerticalScrollbarEffect());
printer.AddNode(properties.HorizontalScrollbarEffect());
printer.AddNode(properties.Mask());
printer.AddNode(properties.ClipPathMask());
printer.AddNode(properties.EffectIsolationNode());
}
};
template <>
class PropertyTreePrinterTraits<ScrollPaintPropertyNode> {
public:
static void AddVisualViewportProperties(
const VisualViewport& visual_viewport,
PropertyTreePrinter<ScrollPaintPropertyNode>& printer) {
printer.AddNode(visual_viewport.GetScrollNode());
}
static void AddObjectPaintProperties(
const ObjectPaintProperties& properties,
PropertyTreePrinter<ScrollPaintPropertyNode>& printer) {
printer.AddNode(properties.Scroll());
}
};
template <typename PropertyTreeNode>
void SetDebugName(const PropertyTreeNode* node, const String& debug_name) {
if (node)
const_cast<PropertyTreeNode*>(node)->SetDebugName(debug_name);
}
template <typename PropertyTreeNode>
void SetDebugName(const PropertyTreeNode* node,
const String& name,
const LayoutObject& object) {
if (node)
SetDebugName(node, name + " (" + object.DebugName() + ")");
}
} // namespace
namespace paint_property_tree_printer {
void UpdateDebugNames(const VisualViewport& viewport) {
if (auto* device_emulation_node = viewport.GetDeviceEmulationTransformNode())
device_emulation_node->SetDebugName("Device Emulation Node");
if (auto* overscroll_node = viewport.GetOverscrollElasticityTransformNode())
overscroll_node->SetDebugName("Overscroll Elasticity Node");
viewport.GetPageScaleNode()->SetDebugName("VisualViewport Scale Node");
viewport.GetScrollTranslationNode()->SetDebugName(
"VisualViewport Translate Node");
viewport.GetScrollNode()->SetDebugName("VisualViewport Scroll Node");
}
void UpdateDebugNames(const LayoutObject& object,
ObjectPaintProperties& properties) {
SetDebugName(properties.PaintOffsetTranslation(), "PaintOffsetTranslation",
object);
SetDebugName(properties.StickyTranslation(), "StickyTranslation", object);
SetDebugName(properties.Transform(), "Transform", object);
SetDebugName(properties.Perspective(), "Perspective", object);
SetDebugName(properties.ReplacedContentTransform(),
"ReplacedContentTransform", object);
SetDebugName(properties.ScrollTranslation(), "ScrollTranslation", object);
SetDebugName(properties.TransformIsolationNode(), "TransformIsolationNode",
object);
SetDebugName(properties.FragmentClip(), "FragmentClip", object);
SetDebugName(properties.ClipPathClip(), "ClipPathClip", object);
SetDebugName(properties.MaskClip(), "MaskClip", object);
SetDebugName(properties.CssClip(), "CssClip", object);
SetDebugName(properties.CssClipFixedPosition(), "CssClipFixedPosition",
object);
SetDebugName(properties.OverflowControlsClip(), "OverflowControlsClip",
object);
SetDebugName(properties.InnerBorderRadiusClip(), "InnerBorderRadiusClip",
object);
SetDebugName(properties.OverflowClip(), "OverflowClip", object);
SetDebugName(properties.ClipIsolationNode(), "ClipIsolationNode", object);
SetDebugName(properties.Effect(), "Effect", object);
SetDebugName(properties.Filter(), "Filter", object);
SetDebugName(properties.VerticalScrollbarEffect(), "VerticalScrollbarEffect",
object);
SetDebugName(properties.HorizontalScrollbarEffect(),
"HorizontalScrollbarEffect", object);
SetDebugName(properties.Mask(), "Mask", object);
SetDebugName(properties.ClipPathMask(), "ClipPathMask", object);
SetDebugName(properties.EffectIsolationNode(), "EffectIsolationNode", object);
SetDebugName(properties.Scroll(), "Scroll", object);
}
} // namespace paint_property_tree_printer
} // namespace blink
CORE_EXPORT void showAllPropertyTrees(const blink::LocalFrameView& rootFrame) {
showTransformPropertyTree(rootFrame);
showClipPropertyTree(rootFrame);
showEffectPropertyTree(rootFrame);
showScrollPropertyTree(rootFrame);
}
void showTransformPropertyTree(const blink::LocalFrameView& rootFrame) {
LOG(INFO) << "Transform tree:\n"
<< transformPropertyTreeAsString(rootFrame).Utf8();
}
void showClipPropertyTree(const blink::LocalFrameView& rootFrame) {
LOG(INFO) << "Clip tree:\n" << clipPropertyTreeAsString(rootFrame).Utf8();
}
void showEffectPropertyTree(const blink::LocalFrameView& rootFrame) {
LOG(INFO) << "Effect tree:\n" << effectPropertyTreeAsString(rootFrame).Utf8();
}
void showScrollPropertyTree(const blink::LocalFrameView& rootFrame) {
LOG(INFO) << "Scroll tree:\n" << scrollPropertyTreeAsString(rootFrame).Utf8();
}
String transformPropertyTreeAsString(const blink::LocalFrameView& rootFrame) {
return blink::FrameViewPropertyTreePrinter<
blink::TransformPaintPropertyNodeOrAlias>()
.TreeAsString(rootFrame);
}
String clipPropertyTreeAsString(const blink::LocalFrameView& rootFrame) {
return blink::FrameViewPropertyTreePrinter<
blink::ClipPaintPropertyNodeOrAlias>()
.TreeAsString(rootFrame);
}
String effectPropertyTreeAsString(const blink::LocalFrameView& rootFrame) {
return blink::FrameViewPropertyTreePrinter<
blink::EffectPaintPropertyNodeOrAlias>()
.TreeAsString(rootFrame);
}
String scrollPropertyTreeAsString(const blink::LocalFrameView& rootFrame) {
return blink::FrameViewPropertyTreePrinter<blink::ScrollPaintPropertyNode>()
.TreeAsString(rootFrame);
}
#endif // DCHECK_IS_ON()
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