1 // Copyright (c) 2012 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/render_view_impl.h"
6
7 #include "base/command_line.h"
8 #include "base/message_loop/message_loop.h"
9 #include "cc/trees/layer_tree_host.h"
10 #include "content/common/view_messages.h"
11 #include "content/renderer/gpu/render_widget_compositor.h"
12 #include "third_party/WebKit/public/web/WebView.h"
13
14 namespace content {
15
16 // Check content::TopControlsState and cc::TopControlsState are kept in sync.
17 COMPILE_ASSERT(int(SHOWN) == int(cc::SHOWN), mismatching_enums);
18 COMPILE_ASSERT(int(HIDDEN) == int(cc::HIDDEN), mismatching_enums);
19 COMPILE_ASSERT(int(BOTH) == int(cc::BOTH), mismatching_enums);
20
ContentToCcTopControlsState(TopControlsState state)21 cc::TopControlsState ContentToCcTopControlsState(
22 TopControlsState state) {
23 return static_cast<cc::TopControlsState>(state);
24 }
25
26 // TODO(mvanouwerkerk): Stop calling this code path and delete it.
OnUpdateTopControlsState(bool enable_hiding,bool enable_showing,bool animate)27 void RenderViewImpl::OnUpdateTopControlsState(bool enable_hiding,
28 bool enable_showing,
29 bool animate) {
30 // TODO(tedchoc): Investigate why messages are getting here before the
31 // compositor has been initialized.
32 LOG_IF(WARNING, !compositor_) << "OnUpdateTopControlsState was unhandled.";
33 if (compositor_) {
34 cc::TopControlsState constraints = cc::BOTH;
35 if (!enable_showing)
36 constraints = cc::HIDDEN;
37 if (!enable_hiding)
38 constraints = cc::SHOWN;
39 cc::TopControlsState current = cc::BOTH;
40 compositor_->UpdateTopControlsState(constraints, current, animate);
41 top_controls_constraints_ = constraints;
42 }
43 }
44
UpdateTopControlsState(TopControlsState constraints,TopControlsState current,bool animate)45 void RenderViewImpl::UpdateTopControlsState(TopControlsState constraints,
46 TopControlsState current,
47 bool animate) {
48 cc::TopControlsState constraints_cc =
49 ContentToCcTopControlsState(constraints);
50 cc::TopControlsState current_cc = ContentToCcTopControlsState(current);
51 if (compositor_)
52 compositor_->UpdateTopControlsState(constraints_cc, current_cc, animate);
53 top_controls_constraints_ = constraints_cc;
54 }
55
didScrollWithKeyboard(const blink::WebSize & delta)56 void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
57 if (delta.height == 0)
58 return;
59 if (compositor_) {
60 cc::TopControlsState current = delta.height < 0 ? cc::SHOWN : cc::HIDDEN;
61 compositor_->UpdateTopControlsState(top_controls_constraints_,
62 current,
63 true);
64 }
65 }
66
OnExtractSmartClipData(const gfx::Rect & rect)67 void RenderViewImpl::OnExtractSmartClipData(const gfx::Rect& rect) {
68 blink::WebString clip_text;
69 blink::WebString clip_html;
70 blink::WebRect clip_rect;
71 webview()->extractSmartClipData(rect, clip_text, clip_html, clip_rect);
72 Send(new ViewHostMsg_SmartClipDataExtracted(
73 routing_id_, clip_text, clip_html, clip_rect));
74 }
75
76 } // namespace content
77