chromium/third_party/blink/renderer/platform/graphics/paint/scrollbar_display_item.cc

// Copyright 2019 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/platform/graphics/paint/scrollbar_display_item.h"

#include "base/trace_event/traced_value.h"
#include "cc/input/scrollbar.h"
#include "cc/layers/scrollbar_layer_base.h"
#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
#include "third_party/blink/renderer/platform/graphics/paint/drawing_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_controller.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_record_builder.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_recorder.h"
#include "third_party/blink/renderer/platform/graphics/paint/scroll_paint_property_node.h"
#include "ui/gfx/geometry/skia_conversions.h"

namespace blink {

ScrollbarDisplayItem::ScrollbarDisplayItem(
    DisplayItemClientId client_id,
    Type type,
    scoped_refptr<cc::Scrollbar> scrollbar,
    const gfx::Rect& visual_rect,
    const TransformPaintPropertyNode* scroll_translation,
    CompositorElementId element_id,
    cc::HitTestOpaqueness hit_test_opaqueness,
    RasterEffectOutset outset,
    PaintInvalidationReason paint_invalidation_reason)
    : … { … }

PaintRecord ScrollbarDisplayItem::Paint() const { … }

bool ScrollbarDisplayItem::NeedsUpdateDisplay() const { … }

scoped_refptr<cc::ScrollbarLayerBase> ScrollbarDisplayItem::CreateOrReuseLayer(
    cc::ScrollbarLayerBase* existing_layer,
    gfx::Vector2dF offset_of_decomposited_transforms) const { … }

bool ScrollbarDisplayItem::IsOpaque() const { … }

bool ScrollbarDisplayItem::EqualsForUnderInvalidationImpl(
    const ScrollbarDisplayItem& other) const { … }

#if DCHECK_IS_ON()
void ScrollbarDisplayItem::PropertiesAsJSONImpl(JSONObject& json) const { … }
#endif

void ScrollbarDisplayItem::Record(
    GraphicsContext& context,
    const DisplayItemClient& client,
    DisplayItem::Type type,
    scoped_refptr<cc::Scrollbar> scrollbar,
    const gfx::Rect& visual_rect,
    const TransformPaintPropertyNode* scroll_translation,
    CompositorElementId element_id,
    cc::HitTestOpaqueness hit_test_opaqueness) { … }

}  // namespace blink