chromium/third_party/blink/renderer/core/paint/scrollable_area_painter.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/scrollable_area_painter.h"

#include <optional>

#include "third_party/blink/renderer/core/frame/visual_viewport.h"
#include "third_party/blink/renderer/core/layout/custom_scrollbar.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/page/chrome_client.h"
#include "third_party/blink/renderer/core/page/page.h"
#include "third_party/blink/renderer/core/paint/custom_scrollbar_theme.h"
#include "third_party/blink/renderer/core/paint/object_paint_properties.h"
#include "third_party/blink/renderer/core/paint/object_painter.h"
#include "third_party/blink/renderer/core/paint/paint_auto_dark_mode.h"
#include "third_party/blink/renderer/core/paint/paint_info.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/scroll/scrollbar_layer_delegate.h"
#include "third_party/blink/renderer/core/scroll/scrollbar_theme.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context_state_saver.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/scoped_paint_chunk_properties.h"
#include "third_party/blink/renderer/platform/graphics/paint/scrollbar_display_item.h"

namespace blink {

namespace {

bool VisibleToHitTesting(const LayoutBox& box) { … }

}  // namespace

void ScrollableAreaPainter::PaintResizer(GraphicsContext& context,
                                         const PhysicalOffset& paint_offset,
                                         const CullRect& cull_rect) { … }

void ScrollableAreaPainter::RecordResizerScrollHitTestData(
    GraphicsContext& context,
    const PhysicalOffset& paint_offset) { … }

void ScrollableAreaPainter::DrawPlatformResizerImage(
    GraphicsContext& context,
    const gfx::Rect& resizer_corner_rect) { … }

bool ScrollableAreaPainter::PaintOverflowControls(
    const PaintInfo& paint_info,
    const PhysicalOffset& paint_offset,
    const FragmentData* fragment) { … }

void ScrollableAreaPainter::PaintScrollbar(GraphicsContext& context,
                                           Scrollbar& scrollbar,
                                           const PhysicalOffset& paint_offset,
                                           const CullRect& cull_rect) { … }

void ScrollableAreaPainter::PaintNativeScrollbar(GraphicsContext& context,
                                                 Scrollbar& scrollbar,
                                                 gfx::Rect visual_rect) { … }

void ScrollableAreaPainter::PaintScrollCorner(
    GraphicsContext& context,
    const PhysicalOffset& paint_offset,
    const CullRect& cull_rect) { … }

}  // namespace blink