1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "content/renderer/compositor_bindings/web_scrollbar_layer_impl.h"
6
7 #include "cc/layers/layer.h"
8 #include "cc/layers/painted_scrollbar_layer.h"
9 #include "cc/layers/scrollbar_layer_interface.h"
10 #include "cc/layers/solid_color_scrollbar_layer.h"
11 #include "content/renderer/compositor_bindings/scrollbar_impl.h"
12 #include "content/renderer/compositor_bindings/web_layer_impl.h"
13
14 using cc::PaintedScrollbarLayer;
15 using cc::SolidColorScrollbarLayer;
16
17 namespace {
18
ConvertOrientation(blink::WebScrollbar::Orientation orientation)19 cc::ScrollbarOrientation ConvertOrientation(
20 blink::WebScrollbar::Orientation orientation) {
21 return orientation == blink::WebScrollbar::Horizontal ? cc::HORIZONTAL
22 : cc::VERTICAL;
23 }
24
25 } // namespace
26
27 namespace content {
28
WebScrollbarLayerImpl(blink::WebScrollbar * scrollbar,blink::WebScrollbarThemePainter painter,blink::WebScrollbarThemeGeometry * geometry)29 WebScrollbarLayerImpl::WebScrollbarLayerImpl(
30 blink::WebScrollbar* scrollbar,
31 blink::WebScrollbarThemePainter painter,
32 blink::WebScrollbarThemeGeometry* geometry)
33 : layer_(new WebLayerImpl(PaintedScrollbarLayer::Create(
34 scoped_ptr<cc::Scrollbar>(
35 new ScrollbarImpl(make_scoped_ptr(scrollbar),
36 painter,
37 make_scoped_ptr(geometry))).Pass(),
38 0))) {
39 }
40
WebScrollbarLayerImpl(blink::WebScrollbar::Orientation orientation,int thumb_thickness,int track_start,bool is_left_side_vertical_scrollbar)41 WebScrollbarLayerImpl::WebScrollbarLayerImpl(
42 blink::WebScrollbar::Orientation orientation,
43 int thumb_thickness,
44 int track_start,
45 bool is_left_side_vertical_scrollbar)
46 : layer_(new WebLayerImpl(
47 SolidColorScrollbarLayer::Create(ConvertOrientation(orientation),
48 thumb_thickness,
49 track_start,
50 is_left_side_vertical_scrollbar,
51 0))) {
52 }
53
~WebScrollbarLayerImpl()54 WebScrollbarLayerImpl::~WebScrollbarLayerImpl() {
55 }
56
layer()57 blink::WebLayer* WebScrollbarLayerImpl::layer() {
58 return layer_.get();
59 }
60
setScrollLayer(blink::WebLayer * layer)61 void WebScrollbarLayerImpl::setScrollLayer(blink::WebLayer* layer) {
62 cc::Layer* scroll_layer =
63 layer ? static_cast<WebLayerImpl*>(layer)->layer() : 0;
64 layer_->layer()->ToScrollbarLayer()->SetScrollLayer(scroll_layer->id());
65 }
66
setClipLayer(blink::WebLayer * layer)67 void WebScrollbarLayerImpl::setClipLayer(blink::WebLayer* layer) {
68 cc::Layer* clip_layer =
69 layer ? static_cast<WebLayerImpl*>(layer)->layer() : 0;
70 layer_->layer()->ToScrollbarLayer()->SetClipLayer(clip_layer->id());
71 }
72
73 } // namespace content
74
75