blob: 8931b9c90b655f5a0db402a8f5a5bf190354ec84 [file] [log] [blame]
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/cc_export.h"
#include "cc/layers/layer.h"
#include "cc/layers/scrollbar_layer_base.h"
namespace cc {
// A solid color scrollbar that can be fully drawn on the impl thread. In
// practice, this is used for overlay scrollbars on Android.
class CC_EXPORT SolidColorScrollbarLayer : public ScrollbarLayerBase {
std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
static scoped_refptr<SolidColorScrollbarLayer> Create(
ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar);
SolidColorScrollbarLayer(const SolidColorScrollbarLayer&) = delete;
SolidColorScrollbarLayer& operator=(const SolidColorScrollbarLayer&) = delete;
// Layer overrides.
bool OpacityCanAnimateOnImplThread() const override;
void SetOpacity(float opacity) override;
void SetNeedsDisplayRect(const gfx::Rect& rect) override;
bool HitTestable() const override;
int thumb_thickness() const { return thumb_thickness_; }
int track_start() const { return track_start_; }
ScrollbarLayerType ScrollbarLayerTypeForTesting() const override;
SolidColorScrollbarLayer(ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar);
~SolidColorScrollbarLayer() override;
int thumb_thickness_;
int track_start_;
} // namespace cc