chromium/third_party/blink/renderer/core/animation/scroll_timeline_util.cc

// Copyright 2018 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/animation/scroll_timeline_util.h"

#include "third_party/blink/renderer/core/animation/animation_timeline.h"
#include "third_party/blink/renderer/core/animation/document_timeline.h"
#include "third_party/blink/renderer/core/animation/scroll_snapshot_timeline.h"
#include "third_party/blink/renderer/core/dom/node.h"
#include "third_party/blink/renderer/core/layout/layout_box.h"
#include "third_party/blink/renderer/platform/graphics/compositor_element_id.h"

namespace blink {

namespace scroll_timeline_util {

scoped_refptr<CompositorScrollTimeline> ToCompositorScrollTimeline(
    AnimationTimeline* timeline) { … }

std::optional<CompositorElementId> GetCompositorScrollElementId(
    const Node* node) { … }

// The compositor does not know about writing modes, so we have to convert the
// web concepts of 'block' and 'inline' direction into absolute vertical or
// horizontal directions.
CompositorScrollTimeline::ScrollDirection ConvertOrientation(
    ScrollAxis axis,
    const ComputedStyle* style) { … }

}  // namespace scroll_timeline_util

}  // namespace blink