/* * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights * reserved. * * Portions are Copyright (C) 1998 Netscape Communications Corporation. * * Other contributors: * Robert O'Callahan <[email protected]> * David Baron <[email protected]> * Christian Biesinger <[email protected]> * Randall Jesup <[email protected]> * Roland Mainz <[email protected]> * Josh Soref <[email protected]> * Boris Zbarsky <[email protected]> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA * * Alternatively, the contents of this file may be used under the terms * of either the Mozilla Public License Version 1.1, found at * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html * (the "GPL"), in which case the provisions of the MPL or the GPL are * applicable instead of those above. If you wish to allow use of your * version of this file only under the terms of one of those two * licenses (the MPL or the GPL) and not to allow others to use your * version of this file under the LGPL, indicate your decision by * deletingthe provisions above and replace them with the notice and * other provisions required by the MPL or the GPL, as the case may be. * If you do not delete the provisions above, a recipient may use your * version of this file under any of the LGPL, the MPL or the GPL. */ #include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h" #include <utility> #include "base/numerics/checked_math.h" #include "base/task/single_thread_task_runner.h" #include "cc/animation/animation_timeline.h" #include "cc/input/main_thread_scrolling_reason.h" #include "cc/input/snap_selection_strategy.h" #include "cc/layers/picture_layer.h" #include "third_party/blink/public/common/features.h" #include "third_party/blink/public/mojom/scroll/scroll_into_view_params.mojom-blink.h" #include "third_party/blink/public/mojom/scroll/scrollbar_mode.mojom-blink.h" #include "third_party/blink/public/platform/platform.h" #include "third_party/blink/public/platform/task_type.h" #include "third_party/blink/renderer/core/accessibility/ax_object_cache.h" #include "third_party/blink/renderer/core/animation/scroll_timeline.h" #include "third_party/blink/renderer/core/content_capture/content_capture_manager.h" #include "third_party/blink/renderer/core/css/color_scheme_flags.h" #include "third_party/blink/renderer/core/css/container_query_evaluator.h" #include "third_party/blink/renderer/core/css/snapped_query_scroll_snapshot.h" #include "third_party/blink/renderer/core/css/style_request.h" #include "third_party/blink/renderer/core/dom/dom_node_ids.h" #include "third_party/blink/renderer/core/dom/node.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/dom/shadow_root.h" #include "third_party/blink/renderer/core/editing/frame_selection.h" #include "third_party/blink/renderer/core/editing/markers/document_marker_controller.h" #include "third_party/blink/renderer/core/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_client.h" #include "third_party/blink/renderer/core/frame/local_frame_view.h" #include "third_party/blink/renderer/core/frame/page_scale_constraints_set.h" #include "third_party/blink/renderer/core/frame/root_frame_viewport.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/forms/html_input_element.h" #include "third_party/blink/renderer/core/html/forms/html_select_element.h" #include "third_party/blink/renderer/core/html/forms/text_control_element.h" #include "third_party/blink/renderer/core/html/html_frame_owner_element.h" #include "third_party/blink/renderer/core/input/event_handler.h" #include "third_party/blink/renderer/core/inspector/inspector_trace_events.h" #include "third_party/blink/renderer/core/layout/custom_scrollbar.h" #include "third_party/blink/renderer/core/layout/layout_custom_scrollbar_part.h" #include "third_party/blink/renderer/core/layout/layout_embedded_content.h" #include "third_party/blink/renderer/core/layout/layout_theme.h" #include "third_party/blink/renderer/core/layout/layout_view.h" #include "third_party/blink/renderer/core/layout/legacy_layout_tree_walking.h" #include "third_party/blink/renderer/core/layout/physical_box_fragment.h" #include "third_party/blink/renderer/core/loader/document_loader.h" #include "third_party/blink/renderer/core/page/chrome_client.h" #include "third_party/blink/renderer/core/page/focus_controller.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/core/page/scrolling/fragment_anchor.h" #include "third_party/blink/renderer/core/page/scrolling/root_scroller_controller.h" #include "third_party/blink/renderer/core/page/scrolling/scrolling_coordinator.h" #include "third_party/blink/renderer/core/page/scrolling/snap_coordinator.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/compositing/compositing_reason_finder.h" #include "third_party/blink/renderer/core/paint/object_paint_invalidator.h" #include "third_party/blink/renderer/core/paint/paint_invalidator.h" #include "third_party/blink/renderer/core/paint/paint_layer.h" #include "third_party/blink/renderer/core/paint/paint_layer_fragment.h" #include "third_party/blink/renderer/core/scroll/scroll_alignment.h" #include "third_party/blink/renderer/core/scroll/scroll_animator_base.h" #include "third_party/blink/renderer/core/scroll/scroll_into_view_util.h" #include "third_party/blink/renderer/core/scroll/scrollable_area.h" #include "third_party/blink/renderer/core/scroll/scrollbar_theme.h" #include "third_party/blink/renderer/core/scroll/smooth_scroll_sequencer.h" #include "third_party/blink/renderer/core/view_transition/view_transition.h" #include "third_party/blink/renderer/core/view_transition/view_transition_utils.h" #include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h" #include "third_party/blink/renderer/platform/heap/garbage_collected.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "ui/base/ui_base_features.h" #include "ui/gfx/geometry/point_conversions.h" namespace blink { PaintLayerScrollableAreaRareData::PaintLayerScrollableAreaRareData() = default; void PaintLayerScrollableAreaRareData::Trace(Visitor* visitor) const { … } const int kResizerControlExpandRatioForTouch = …; PaintLayerScrollableArea::PaintLayerScrollableArea(PaintLayer& layer) : … { … } PaintLayerScrollableArea::~PaintLayerScrollableArea() { … } PaintLayerScrollableArea* PaintLayerScrollableArea::FromNode(const Node& node) { … } void PaintLayerScrollableArea::DidCompositorScroll( const gfx::PointF& position) { … } void PaintLayerScrollableArea::DisposeImpl() { … } void PaintLayerScrollableArea::ApplyPendingHistoryRestoreScrollOffset() { … } void PaintLayerScrollableArea::SetTickmarksOverride( Vector<gfx::Rect> tickmarks) { … } void PaintLayerScrollableArea::Trace(Visitor* visitor) const { … } bool PaintLayerScrollableArea::IsThrottled() const { … } ChromeClient* PaintLayerScrollableArea::GetChromeClient() const { … } SmoothScrollSequencer* PaintLayerScrollableArea::GetSmoothScrollSequencer() const { … } bool PaintLayerScrollableArea::IsActive() const { … } bool PaintLayerScrollableArea::IsScrollCornerVisible() const { … } static int CornerStart(const LayoutBox& box, int min_x, int max_x, int thickness) { … } gfx::Rect PaintLayerScrollableArea::CornerRect() const { … } gfx::Rect PaintLayerScrollableArea::ScrollCornerRect() const { … } void PaintLayerScrollableArea::SetScrollCornerNeedsPaintInvalidation() { … } gfx::Rect PaintLayerScrollableArea::ConvertFromScrollbarToContainingEmbeddedContentView( const Scrollbar& scrollbar, const gfx::Rect& scrollbar_rect) const { … } gfx::Point PaintLayerScrollableArea::ConvertFromScrollbarToContainingEmbeddedContentView( const Scrollbar& scrollbar, const gfx::Point& scrollbar_point) const { … } gfx::Point PaintLayerScrollableArea::ConvertFromContainingEmbeddedContentViewToScrollbar( const Scrollbar& scrollbar, const gfx::Point& parent_point) const { … } gfx::Point PaintLayerScrollableArea::ConvertFromRootFrame( const gfx::Point& point_in_root_frame) const { … } gfx::Point PaintLayerScrollableArea::ConvertFromRootFrameToVisualViewport( const gfx::Point& point_in_root_frame) const { … } int PaintLayerScrollableArea::ScrollSize( ScrollbarOrientation orientation) const { … } void PaintLayerScrollableArea::UpdateScrollOffset( const ScrollOffset& new_offset, mojom::blink::ScrollType scroll_type) { … } void PaintLayerScrollableArea::InvalidatePaintForScrollOffsetChange() { … } // See the comment in .h about background-attachment:fixed. bool PaintLayerScrollableArea::BackgroundNeedsRepaintOnScroll() const { … } gfx::Vector2d PaintLayerScrollableArea::ScrollOffsetInt() const { … } ScrollOffset PaintLayerScrollableArea::GetScrollOffset() const { … } void PaintLayerScrollableArea::EnqueueScrollEventIfNeeded() { … } gfx::Vector2d PaintLayerScrollableArea::MinimumScrollOffsetInt() const { … } gfx::Vector2d PaintLayerScrollableArea::MaximumScrollOffsetInt() const { … } void PaintLayerScrollableArea::VisibleSizeChanged() { … } PhysicalRect PaintLayerScrollableArea::LayoutContentRect( IncludeScrollbarsInRect scrollbar_inclusion) const { … } gfx::Rect PaintLayerScrollableArea::VisibleContentRect( IncludeScrollbarsInRect scrollbar_inclusion) const { … } PhysicalRect PaintLayerScrollableArea::VisibleScrollSnapportRect( IncludeScrollbarsInRect scrollbar_inclusion) const { … } gfx::Size PaintLayerScrollableArea::ContentsSize() const { … } gfx::Size PaintLayerScrollableArea::PixelSnappedContentsSize( const PhysicalOffset& paint_offset) const { … } void PaintLayerScrollableArea::ContentsResized() { … } gfx::Point PaintLayerScrollableArea::LastKnownMousePosition() const { … } bool PaintLayerScrollableArea::ScrollAnimatorEnabled() const { … } bool PaintLayerScrollableArea::ShouldSuspendScrollAnimations() const { … } void PaintLayerScrollableArea::ScrollbarVisibilityChanged() { … } void PaintLayerScrollableArea::ScrollbarFrameRectChanged() { … } bool PaintLayerScrollableArea::ScrollbarsCanBeActive() const { … } void PaintLayerScrollableArea::RegisterForAnimation() { … } void PaintLayerScrollableArea::DeregisterForAnimation() { … } bool PaintLayerScrollableArea::UserInputScrollable( ScrollbarOrientation orientation) const { … } bool PaintLayerScrollableArea::ShouldPlaceVerticalScrollbarOnLeft() const { … } int PaintLayerScrollableArea::PageStep(ScrollbarOrientation orientation) const { … } bool PaintLayerScrollableArea::IsRootFrameLayoutViewport() const { … } LayoutBox* PaintLayerScrollableArea::GetLayoutBox() const { … } PaintLayer* PaintLayerScrollableArea::Layer() const { … } PhysicalSize PaintLayerScrollableArea::Size() const { … } LayoutUnit PaintLayerScrollableArea::ScrollWidth() const { … } LayoutUnit PaintLayerScrollableArea::ScrollHeight() const { … } void PaintLayerScrollableArea::UpdateScrollOrigin() { … } void PaintLayerScrollableArea::UpdateScrollDimensions() { … } void PaintLayerScrollableArea::UpdateScrollbarEnabledState( bool is_horizontal_scrollbar_frozen, bool is_vertical_scrollbar_frozen) { … } void PaintLayerScrollableArea::UpdateScrollbarProportions() { … } void PaintLayerScrollableArea::SetScrollOffsetUnconditionally( const ScrollOffset& offset, mojom::blink::ScrollType scroll_type) { … } void PaintLayerScrollableArea::UpdateAfterLayout() { … } Element* PaintLayerScrollableArea::GetElementForScrollStart() const { … } void PaintLayerScrollableArea::SetShouldCheckForPaintInvalidation() { … } bool PaintLayerScrollableArea::IsApplyingScrollStart() const { … } void PaintLayerScrollableArea::StopApplyingScrollStart() { … } void PaintLayerScrollableArea::DelayableClampScrollOffsetAfterOverflowChange() { … } void PaintLayerScrollableArea::ClampScrollOffsetAfterOverflowChange() { … } void PaintLayerScrollableArea::ClampScrollOffsetAfterOverflowChangeInternal() { … } void PaintLayerScrollableArea::DidChangeGlobalRootScroller() { … } bool PaintLayerScrollableArea::ShouldPerformScrollAnchoring() const { … } bool PaintLayerScrollableArea::RestoreScrollAnchor( const SerializedAnchor& serialized_anchor) { … } gfx::QuadF PaintLayerScrollableArea::LocalToVisibleContentQuad( const gfx::QuadF& quad, const LayoutObject* local_object, MapCoordinatesFlags flags) const { … } scoped_refptr<base::SingleThreadTaskRunner> PaintLayerScrollableArea::GetTimerTaskRunner() const { … } mojom::blink::ScrollBehavior PaintLayerScrollableArea::ScrollBehaviorStyle() const { … } mojom::blink::ColorScheme PaintLayerScrollableArea::UsedColorSchemeScrollbars() const { … } bool PaintLayerScrollableArea::UsedColorSchemeScrollbarsChanged( const ComputedStyle* old_style) const { … } bool PaintLayerScrollableArea::IsGlobalRootNonOverlayScroller() const { … } bool PaintLayerScrollableArea::HasHorizontalOverflow() const { … } bool PaintLayerScrollableArea::HasVerticalOverflow() const { … } // This function returns true if the given box requires overflow scrollbars (as // opposed to the viewport scrollbars managed by VisualViewport). static bool CanHaveOverflowScrollbars(const LayoutBox& box) { … } void PaintLayerScrollableArea::UpdateAfterStyleChange( const ComputedStyle* old_style) { … } void PaintLayerScrollableArea::UpdateAfterOverflowRecalc() { … } gfx::Rect PaintLayerScrollableArea::RectForHorizontalScrollbar() const { … } gfx::Rect PaintLayerScrollableArea::RectForVerticalScrollbar() const { … } int PaintLayerScrollableArea::VerticalScrollbarStart() const { … } int PaintLayerScrollableArea::HorizontalScrollbarStart() const { … } gfx::Vector2d PaintLayerScrollableArea::ScrollbarOffset( const Scrollbar& scrollbar) const { … } static inline const LayoutObject& ScrollbarStyleSource( const LayoutBox& layout_box) { … } int PaintLayerScrollableArea::HypotheticalScrollbarThickness( ScrollbarOrientation orientation, bool should_include_overlay_thickness) const { … } // Hypothetical scrollbar thickness is computed and cached during layout, but // only as needed to avoid a performance penalty. It is needed for every // LayoutView, to support frame view auto-sizing; and it's needed whenever CSS // scrollbar-gutter requires it. bool PaintLayerScrollableArea::NeedsHypotheticalScrollbarThickness( ScrollbarOrientation orientation) const { … } int PaintLayerScrollableArea::ComputeHypotheticalScrollbarThickness( ScrollbarOrientation orientation, bool should_include_overlay_thickness) const { … } bool PaintLayerScrollableArea::NeedsScrollbarReconstruction() const { … } void PaintLayerScrollableArea::ComputeScrollbarExistence( bool& needs_horizontal_scrollbar, bool& needs_vertical_scrollbar, ComputeScrollbarExistenceOption option) const { … } bool PaintLayerScrollableArea::TryRemovingAutoScrollbars( const bool& needs_horizontal_scrollbar, const bool& needs_vertical_scrollbar) { … } void PaintLayerScrollableArea::RemoveScrollbarsForReconstruction() { … } CompositorElementId PaintLayerScrollableArea::GetScrollCornerElementId() const { … } void PaintLayerScrollableArea::SetHasHorizontalScrollbar(bool has_scrollbar) { … } void PaintLayerScrollableArea::SetHasVerticalScrollbar(bool has_scrollbar) { … } int PaintLayerScrollableArea::VerticalScrollbarWidth( OverlayScrollbarClipBehavior overlay_scrollbar_clip_behavior) const { … } int PaintLayerScrollableArea::HorizontalScrollbarHeight( OverlayScrollbarClipBehavior overlay_scrollbar_clip_behavior) const { … } const cc::SnapContainerData* PaintLayerScrollableArea::GetSnapContainerData() const { … } void PaintLayerScrollableArea::SetSnapContainerData( std::optional<cc::SnapContainerData> data) { … } bool PaintLayerScrollableArea::SetTargetSnapAreaElementIds( cc::TargetSnapAreaElementIds snap_target_ids) { … } void PaintLayerScrollableArea::UpdateFocusDataForSnapAreas() { … } std::optional<cc::TargetSnapAreaElementIds> PaintLayerScrollableArea::GetScrollsnapchangingTargetIds() const { … } const cc::SnapSelectionStrategy* PaintLayerScrollableArea::GetImplSnapStrategy() const { … } void PaintLayerScrollableArea::SetImplSnapStrategy( std::unique_ptr<cc::SnapSelectionStrategy> strategy) { … } std::optional<gfx::PointF> PaintLayerScrollableArea::GetSnapPositionAndSetTarget( const cc::SnapSelectionStrategy& strategy) { … } bool PaintLayerScrollableArea::HasOverflowControls() const { … } bool PaintLayerScrollableArea::HasOverlayOverflowControls() const { … } bool PaintLayerScrollableArea::NeedsScrollCorner() const { … } bool PaintLayerScrollableArea::ShouldOverflowControlsPaintAsOverlay() const { … } void PaintLayerScrollableArea::PositionOverflowControls() { … } void PaintLayerScrollableArea::UpdateScrollCornerStyle() { … } bool PaintLayerScrollableArea::HitTestOverflowControls( HitTestResult& result, const gfx::Point& local_point) { … } gfx::Rect PaintLayerScrollableArea::ResizerCornerRect( ResizerHitTestType resizer_hit_test_type) const { … } gfx::Rect PaintLayerScrollableArea::ScrollCornerAndResizerRect() const { … } bool PaintLayerScrollableArea::IsAbsolutePointInResizeControl( const gfx::Point& absolute_point, ResizerHitTestType resizer_hit_test_type) const { … } bool PaintLayerScrollableArea::IsLocalPointInResizeControl( const gfx::Point& local_point, ResizerHitTestType resizer_hit_test_type) const { … } void PaintLayerScrollableArea::UpdateResizerStyle( const ComputedStyle* old_style) { … } void PaintLayerScrollableArea::EnqueueForSnapUpdateIfNeeded() { … } void PaintLayerScrollableArea::UpdateAllStickyConstraints() { … } void PaintLayerScrollableArea::EnqueueForStickyUpdateIfNeeded() { … } void PaintLayerScrollableArea::InvalidatePaintForStickyDescendants() { … } gfx::Vector2d PaintLayerScrollableArea::OffsetFromResizeCorner( const gfx::Point& absolute_point) const { … } void PaintLayerScrollableArea::Resize(const gfx::Point& pos, const gfx::Vector2d& old_offset) { … } PhysicalOffset PaintLayerScrollableArea::LocalToScrollOriginOffset() const { … } PhysicalRect PaintLayerScrollableArea::ScrollIntoView( const PhysicalRect& absolute_rect, const PhysicalBoxStrut& scroll_margin, const mojom::blink::ScrollIntoViewParamsPtr& params) { … } void PaintLayerScrollableArea::UpdateScrollableAreaSet() { … } ScrollingCoordinator* PaintLayerScrollableArea::GetScrollingCoordinator() const { … } bool PaintLayerScrollableArea::ShouldScrollOnMainThread() const { … } bool PaintLayerScrollableArea::PrefersNonCompositedScrolling() const { … } bool PaintLayerScrollableArea::UsesCompositedScrolling() const { … } bool PaintLayerScrollableArea::VisualViewportSuppliesScrollbars() const { … } bool PaintLayerScrollableArea::ScheduleAnimation() { … } cc::AnimationHost* PaintLayerScrollableArea::GetCompositorAnimationHost() const { … } cc::AnimationTimeline* PaintLayerScrollableArea::GetCompositorAnimationTimeline() const { … } bool PaintLayerScrollableArea::HasTickmarks() const { … } Vector<gfx::Rect> PaintLayerScrollableArea::GetTickmarks() const { … } void PaintLayerScrollableArea::ScrollbarManager::SetHasHorizontalScrollbar( bool has_scrollbar) { … } void PaintLayerScrollableArea::ScrollbarManager::SetHasVerticalScrollbar( bool has_scrollbar) { … } Scrollbar* PaintLayerScrollableArea::ScrollbarManager::CreateScrollbar( ScrollbarOrientation orientation) { … } void PaintLayerScrollableArea::ScrollbarManager::DestroyScrollbar( ScrollbarOrientation orientation) { … } void PaintLayerScrollableArea::ScrollbarManager::DestroyDetachedScrollbars() { … } void PaintLayerScrollableArea::ScrollbarManager::Dispose() { … } void PaintLayerScrollableArea::ScrollbarManager::Trace( blink::Visitor* visitor) const { … } int PaintLayerScrollableArea::FreezeScrollbarsScope::count_ = …; PaintLayerScrollableArea::FreezeScrollbarsRootScope::FreezeScrollbarsRootScope( const LayoutBox& box, bool freeze_horizontal, bool freeze_vertical) : … { … } PaintLayerScrollableArea::FreezeScrollbarsRootScope:: ~FreezeScrollbarsRootScope() { … } int PaintLayerScrollableArea::DelayScrollOffsetClampScope::count_ = …; PaintLayerScrollableArea::DelayScrollOffsetClampScope:: DelayScrollOffsetClampScope() { … } PaintLayerScrollableArea::DelayScrollOffsetClampScope:: ~DelayScrollOffsetClampScope() { … } void PaintLayerScrollableArea::DelayScrollOffsetClampScope::SetNeedsClamp( PaintLayerScrollableArea* scrollable_area) { … } void PaintLayerScrollableArea::DelayScrollOffsetClampScope:: ClampScrollableAreas() { … } HeapVector<Member<PaintLayerScrollableArea>>& PaintLayerScrollableArea::DelayScrollOffsetClampScope::NeedsClampList() { … } ScrollbarTheme& PaintLayerScrollableArea::GetPageScrollbarTheme() const { … } void PaintLayerScrollableArea::DidAddScrollbar( Scrollbar& scrollbar, ScrollbarOrientation orientation) { … } void PaintLayerScrollableArea::WillRemoveScrollbar( Scrollbar& scrollbar, ScrollbarOrientation orientation) { … } // Returns true if the scroll control is invalidated. static bool ScrollControlNeedsPaintInvalidation( const gfx::Rect& new_visual_rect, const gfx::Rect& previous_visual_rect, bool needs_paint_invalidation) { … } bool PaintLayerScrollableArea::MayCompositeScrollbar( const Scrollbar& scrollbar) const { … } void PaintLayerScrollableArea::EstablishScrollbarRoot(bool freeze_horizontal, bool freeze_vertical) { … } void PaintLayerScrollableArea::ClearScrollbarRoot() { … } void PaintLayerScrollableArea::InvalidatePaintOfScrollbarIfNeeded( const PaintInvalidatorContext& context, bool needs_paint_invalidation, Scrollbar* scrollbar, bool& previously_was_overlay, bool& previously_might_be_composited, gfx::Rect& visual_rect) { … } void PaintLayerScrollableArea::InvalidatePaintOfScrollControlsIfNeeded( const PaintInvalidatorContext& context) { … } void PaintLayerScrollableArea::ScrollControlWasSetNeedsPaintInvalidation() { … } void PaintLayerScrollableArea::DidScrollWithScrollbar( ScrollbarPart part, ScrollbarOrientation orientation, WebInputEvent::Type type) { … } CompositorElementId PaintLayerScrollableArea::GetScrollElementId() const { … } gfx::Size PaintLayerScrollableArea::PixelSnappedBorderBoxSize() const { … } void PaintLayerScrollableArea::DropCompositorScrollDeltaNextCommit() { … } gfx::Rect PaintLayerScrollableArea::ScrollingBackgroundVisualRect( const PhysicalOffset& paint_offset) const { … } String PaintLayerScrollableArea::ScrollingBackgroundDisplayItemClient::DebugName() const { … } DOMNodeId PaintLayerScrollableArea::ScrollingBackgroundDisplayItemClient::OwnerNodeId() const { … } String PaintLayerScrollableArea::ScrollCornerDisplayItemClient::DebugName() const { … } DOMNodeId PaintLayerScrollableArea::ScrollCornerDisplayItemClient::OwnerNodeId() const { … } void PaintLayerScrollableArea:: UpdateSnappedTargetsAndEnqueueScrollSnapChange() { … } void PaintLayerScrollableArea::SetScrollsnapchangingTargetIds( std::optional<cc::TargetSnapAreaElementIds> ids) { … } void PaintLayerScrollableArea:: UpdateScrollSnapChangingTargetsAndEnqueueScrollSnapChanging( const cc::TargetSnapAreaElementIds& new_target_ids) { … } void PaintLayerScrollableArea:: EnqueueScrollSnapChangingEventFromImplIfNeeded() { … } Node* PaintLayerScrollableArea::GetSnapTargetAlongAxis( cc::TargetSnapAreaElementIds ids, cc::SnapAxis axis) const { … } Node* PaintLayerScrollableArea::GetSnapEventTargetAlongAxis( const AtomicString& event_type, cc::SnapAxis axis) const { … } Element* PaintLayerScrollableArea::GetSnappedQueryTargetAlongAxis( cc::SnapAxis axis) const { … } void PaintLayerScrollableArea::SetScrollsnapchangeTargetIds( std::optional<cc::TargetSnapAreaElementIds> ids) { … } SnappedQueryScrollSnapshot& PaintLayerScrollableArea::EnsureSnappedQueryScrollSnapshot() { … } void PaintLayerScrollableArea::CreateAndSetSnappedQueryScrollSnapshotIfNeeded( cc::TargetSnapAreaElementIds ids) { … } } // namespace blink
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