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// 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/layers/solid_color_scrollbar_layer.h"
#include "base/memory/scoped_ptr.h"
#include "cc/layers/layer_impl.h"
#include "cc/layers/solid_color_scrollbar_layer_impl.h"
namespace cc {
scoped_ptr<LayerImpl> SolidColorScrollbarLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
const bool kIsOverlayScrollbar = true;
return SolidColorScrollbarLayerImpl::Create(tree_impl,
id(),
orientation(),
thumb_thickness_,
track_start_,
is_left_side_vertical_scrollbar_,
kIsOverlayScrollbar);
}
scoped_refptr<SolidColorScrollbarLayer> SolidColorScrollbarLayer::Create(
const LayerSettings& settings,
ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar,
int scroll_layer_id) {
return make_scoped_refptr(new SolidColorScrollbarLayer(
settings, orientation, thumb_thickness, track_start,
is_left_side_vertical_scrollbar, scroll_layer_id));
}
SolidColorScrollbarLayer::SolidColorScrollbarLayer(
const LayerSettings& settings,
ScrollbarOrientation orientation,
int thumb_thickness,
int track_start,
bool is_left_side_vertical_scrollbar,
int scroll_layer_id)
: Layer(settings),
scroll_layer_id_(Layer::INVALID_ID),
orientation_(orientation),
thumb_thickness_(thumb_thickness),
track_start_(track_start),
is_left_side_vertical_scrollbar_(is_left_side_vertical_scrollbar) {
}
SolidColorScrollbarLayer::~SolidColorScrollbarLayer() {}
ScrollbarLayerInterface* SolidColorScrollbarLayer::ToScrollbarLayer() {
return this;
}
void SolidColorScrollbarLayer::PushPropertiesTo(LayerImpl* layer) {
Layer::PushPropertiesTo(layer);
SolidColorScrollbarLayerImpl* scrollbar_layer =
static_cast<SolidColorScrollbarLayerImpl*>(layer);
scrollbar_layer->SetScrollLayerId(scroll_layer_id_);
}
void SolidColorScrollbarLayer::SetNeedsDisplayRect(const gfx::Rect& rect) {
// Never needs repaint.
}
bool SolidColorScrollbarLayer::OpacityCanAnimateOnImplThread() const {
return true;
}
int SolidColorScrollbarLayer::ScrollLayerId() const {
return scroll_layer_id_;
}
void SolidColorScrollbarLayer::SetScrollLayer(int layer_id) {
if (layer_id == scroll_layer_id_)
return;
scroll_layer_id_ = layer_id;
SetNeedsFullTreeSync();
}
ScrollbarOrientation SolidColorScrollbarLayer::orientation() const {
return orientation_;
}
} // namespace cc