| // Copyright 2014 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/blink/web_scrollbar_layer_impl.h" |
| |
| #include <utility> |
| |
| #include "base/memory/ptr_util.h" |
| #include "cc/blink/scrollbar_impl.h" |
| #include "cc/blink/web_layer_impl.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/painted_overlay_scrollbar_layer.h" |
| #include "cc/layers/painted_scrollbar_layer.h" |
| #include "cc/layers/scrollbar_layer_interface.h" |
| #include "cc/layers/solid_color_scrollbar_layer.h" |
| #include "cc/trees/element_id.h" |
| |
| using cc::PaintedOverlayScrollbarLayer; |
| using cc::PaintedScrollbarLayer; |
| using cc::SolidColorScrollbarLayer; |
| |
| namespace { |
| |
| cc::ScrollbarOrientation ConvertOrientation( |
| blink::WebScrollbar::Orientation orientation) { |
| return orientation == blink::WebScrollbar::kHorizontal ? cc::HORIZONTAL |
| : cc::VERTICAL; |
| } |
| |
| } // namespace |
| |
| namespace cc_blink { |
| |
| WebScrollbarLayerImpl::WebScrollbarLayerImpl( |
| std::unique_ptr<blink::WebScrollbar> scrollbar, |
| blink::WebScrollbarThemePainter painter, |
| std::unique_ptr<blink::WebScrollbarThemeGeometry> geometry, |
| bool is_overlay) |
| : layer_(is_overlay |
| ? new WebLayerImpl(PaintedOverlayScrollbarLayer::Create( |
| std::make_unique<ScrollbarImpl>(std::move(scrollbar), |
| painter, |
| std::move(geometry)), |
| cc::ElementId())) |
| : new WebLayerImpl(PaintedScrollbarLayer::Create( |
| std::make_unique<ScrollbarImpl>(std::move(scrollbar), |
| painter, |
| std::move(geometry)), |
| cc::ElementId()))) {} |
| |
| WebScrollbarLayerImpl::WebScrollbarLayerImpl( |
| blink::WebScrollbar::Orientation orientation, |
| int thumb_thickness, |
| int track_start, |
| bool is_left_side_vertical_scrollbar) |
| : layer_(new WebLayerImpl( |
| SolidColorScrollbarLayer::Create(ConvertOrientation(orientation), |
| thumb_thickness, |
| track_start, |
| is_left_side_vertical_scrollbar, |
| cc::ElementId()))) {} |
| |
| WebScrollbarLayerImpl::~WebScrollbarLayerImpl() = default; |
| |
| blink::WebLayer* WebScrollbarLayerImpl::Layer() { |
| return layer_.get(); |
| } |
| |
| void WebScrollbarLayerImpl::SetScrollLayer(blink::WebLayer* layer) { |
| cc::Layer* scroll_layer = |
| layer ? static_cast<WebLayerImpl*>(layer)->layer() : nullptr; |
| layer_->layer()->ToScrollbarLayer()->SetScrollElementId( |
| scroll_layer ? scroll_layer->element_id() : cc::ElementId()); |
| } |
| |
| void WebScrollbarLayerImpl::SetElementId(const cc::ElementId& element_id) { |
| layer_->SetElementId(element_id); |
| } |
| |
| } // namespace cc_blink |