| // Copyright 2019 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/scrollbar_layer_base.h" |
| |
| #include "cc/layers/scrollbar_layer_impl_base.h" |
| |
| namespace cc { |
| |
| ScrollbarLayerBase::ScrollbarLayerBase(ScrollbarOrientation orientation, |
| bool is_left_side_vertical_scrollbar) |
| : orientation_(orientation), |
| is_left_side_vertical_scrollbar_(is_left_side_vertical_scrollbar) { |
| SetIsScrollbar(true); |
| } |
| |
| ScrollbarLayerBase::~ScrollbarLayerBase() = default; |
| |
| void ScrollbarLayerBase::SetScrollElementId(ElementId element_id) { |
| if (element_id == scroll_element_id_) |
| return; |
| |
| scroll_element_id_ = element_id; |
| SetNeedsCommit(); |
| } |
| |
| void ScrollbarLayerBase::PushPropertiesTo(LayerImpl* layer) { |
| Layer::PushPropertiesTo(layer); |
| |
| auto* scrollbar_layer_impl = static_cast<ScrollbarLayerImplBase*>(layer); |
| DCHECK_EQ(scrollbar_layer_impl->orientation(), orientation_); |
| DCHECK_EQ(scrollbar_layer_impl->is_left_side_vertical_scrollbar(), |
| is_left_side_vertical_scrollbar_); |
| scrollbar_layer_impl->SetScrollElementId(scroll_element_id_); |
| } |
| |
| } // namespace cc |