chromium/third_party/blink/renderer/core/paint/compositing/compositing_reason_finder.cc

// Copyright 2014 The Chromium Authors
// 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/compositing/compositing_reason_finder.h"

#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/node.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/settings.h"
#include "third_party/blink/renderer/core/frame/visual_viewport.h"
#include "third_party/blink/renderer/core/fullscreen/fullscreen.h"
#include "third_party/blink/renderer/core/html/html_body_element.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/layout/svg/layout_svg_transformable_container.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/page/scrolling/sticky_position_scrolling_constraints.h"
#include "third_party/blink/renderer/core/page/scrolling/top_document_root_scroller_controller.h"
#include "third_party/blink/renderer/core/paint/paint_layer.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/core/paint/transform_utils.h"
#include "third_party/blink/renderer/core/svg/svg_element.h"
#include "third_party/blink/renderer/core/view_transition/view_transition.h"
#include "third_party/blink/renderer/core/view_transition/view_transition_utils.h"

namespace blink {

namespace {

bool ShouldPreferCompositingForLayoutView(const LayoutView& layout_view) { … }

CompositingReasons BackfaceInvisibility3DAncestorReason(
    const PaintLayer& layer) { … }

CompositingReasons CompositingReasonsForWillChange(const ComputedStyle& style) { … }

CompositingReasons CompositingReasonsFor3DTransform(
    const LayoutObject& layout_object) { … }

CompositingReasons CompositingReasonsFor3DSceneLeaf(
    const LayoutObject& layout_object) { … }

CompositingReasons DirectReasonsForSVGChildPaintProperties(
    const LayoutObject& object) { … }

CompositingReasons CompositingReasonsForViewportScrollEffect(
    const LayoutObject& layout_object,
    const LayoutObject* container_for_fixed_position) { … }

CompositingReasons CompositingReasonsForScrollDependentPosition(
    const PaintLayer& layer,
    const LayoutObject* container_for_fixed_position) { … }

bool ObjectTypeSupportsCompositedTransformAnimation(
    const LayoutObject& object) { … }

// Defined by the Element Capture specification:
// https://screen-share.github.io/element-capture/#elements-eligible-for-restriction
bool IsEligibleForElementCapture(const LayoutObject& object) { … }

}  // anonymous namespace

CompositingReasons CompositingReasonFinder::DirectReasonsForPaintProperties(
    const LayoutObject& object,
    const LayoutObject* container_for_fixed_position) { … }

bool CompositingReasonFinder::ShouldForcePreferCompositingToLCDText(
    const LayoutObject& object,
    CompositingReasons reasons) { … }

CompositingReasons
CompositingReasonFinder::PotentialCompositingReasonsFor3DTransform(
    const ComputedStyle& style) { … }

CompositingReasons CompositingReasonFinder::CompositingReasonsForAnimation(
    const LayoutObject& object) { … }

bool CompositingReasonFinder::RequiresCompositingForRootScroller(
    const LayoutObject& object) { … }

}  // namespace blink