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1 // Copyright 2015 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 "blimp/client/core/render_widget/render_widget_feature.h" | |
6 | |
7 #include "base/numerics/safe_conversions.h" | |
8 #include "blimp/common/create_blimp_message.h" | |
9 #include "blimp/common/proto/blimp_message.pb.h" | |
10 #include "blimp/common/proto/compositor.pb.h" | |
11 #include "blimp/common/proto/input.pb.h" | |
12 #include "blimp/common/proto/render_widget.pb.h" | |
13 #include "cc/proto/compositor_message.pb.h" | |
14 #include "net/base/net_errors.h" | |
15 | |
16 namespace blimp { | |
17 namespace client { | |
18 | |
19 RenderWidgetFeature::RenderWidgetFeature() {} | |
20 | |
21 RenderWidgetFeature::~RenderWidgetFeature() {} | |
22 | |
23 void RenderWidgetFeature::set_outgoing_input_message_processor( | |
24 std::unique_ptr<BlimpMessageProcessor> processor) { | |
25 outgoing_input_message_processor_ = std::move(processor); | |
26 } | |
27 | |
28 void RenderWidgetFeature::set_outgoing_compositor_message_processor( | |
29 std::unique_ptr<BlimpMessageProcessor> processor) { | |
30 outgoing_compositor_message_processor_ = std::move(processor); | |
31 } | |
32 | |
33 void RenderWidgetFeature::SendWebGestureEvent( | |
34 const int tab_id, | |
35 const int render_widget_id, | |
36 const blink::WebGestureEvent& event) { | |
37 std::unique_ptr<BlimpMessage> blimp_message = | |
38 input_message_generator_.GenerateMessage(event); | |
39 | |
40 // Don't send unsupported WebGestureEvents. | |
41 if (!blimp_message) | |
42 return; | |
43 | |
44 blimp_message->set_target_tab_id(tab_id); | |
45 blimp_message->mutable_input()->set_render_widget_id(render_widget_id); | |
46 | |
47 outgoing_input_message_processor_->ProcessMessage(std::move(blimp_message), | |
48 net::CompletionCallback()); | |
49 } | |
50 | |
51 void RenderWidgetFeature::SendCompositorMessage( | |
52 const int tab_id, | |
53 const int render_widget_id, | |
54 const cc::proto::CompositorMessage& message) { | |
55 CompositorMessage* compositor_message; | |
56 std::unique_ptr<BlimpMessage> blimp_message = | |
57 CreateBlimpMessage(&compositor_message, tab_id); | |
58 | |
59 compositor_message->set_render_widget_id(render_widget_id); | |
60 compositor_message->mutable_payload()->resize( | |
61 base::checked_cast<size_t>(message.ByteSize())); | |
62 if (message.SerializeToString(compositor_message->mutable_payload())) { | |
63 outgoing_compositor_message_processor_->ProcessMessage( | |
64 std::move(blimp_message), net::CompletionCallback()); | |
65 } else { | |
66 LOG(ERROR) << "Unable to serialize compositor proto."; | |
67 } | |
68 } | |
69 | |
70 void RenderWidgetFeature::SetDelegate(const int tab_id, | |
71 RenderWidgetFeatureDelegate* delegate) { | |
72 DCHECK(!FindDelegate(tab_id)); | |
73 delegates_[tab_id] = delegate; | |
74 } | |
75 | |
76 void RenderWidgetFeature::RemoveDelegate(const int tab_id) { | |
77 DelegateMap::iterator it = delegates_.find(tab_id); | |
78 if (it != delegates_.end()) | |
79 delegates_.erase(it); | |
80 } | |
81 | |
82 void RenderWidgetFeature::ProcessMessage( | |
83 std::unique_ptr<BlimpMessage> message, | |
84 const net::CompletionCallback& callback) { | |
85 DCHECK(!callback.is_null()); | |
86 DCHECK(BlimpMessage::kRenderWidget == message->feature_case() || | |
87 BlimpMessage::kCompositor == message->feature_case()); | |
88 | |
89 int target_tab_id = message->target_tab_id(); | |
90 RenderWidgetFeatureDelegate* delegate = FindDelegate(target_tab_id); | |
91 if (!delegate) { | |
92 VLOG(1) << "RenderWidgetFeatureDelegate not found for " << target_tab_id | |
93 << ". Ignoring."; | |
94 callback.Run(net::OK); | |
95 return; | |
96 } | |
97 | |
98 switch (message->feature_case()) { | |
99 case BlimpMessage::kRenderWidget: | |
100 ProcessRenderWidgetMessage(delegate, message->render_widget()); | |
101 break; | |
102 case BlimpMessage::kCompositor: | |
103 ProcessCompositorMessage(delegate, message->compositor()); | |
104 break; | |
105 default: | |
106 NOTREACHED(); | |
107 break; | |
108 } | |
109 | |
110 callback.Run(net::OK); | |
111 } | |
112 | |
113 void RenderWidgetFeature::ProcessRenderWidgetMessage( | |
114 RenderWidgetFeatureDelegate* delegate, | |
115 const RenderWidgetMessage& message) { | |
116 int render_widget_id = message.render_widget_id(); | |
117 | |
118 switch (message.type()) { | |
119 case RenderWidgetMessage::CREATED: | |
120 delegate->OnRenderWidgetCreated(render_widget_id); | |
121 break; | |
122 case RenderWidgetMessage::INITIALIZE: | |
123 delegate->OnRenderWidgetInitialized(render_widget_id); | |
124 break; | |
125 case RenderWidgetMessage::DELETED: | |
126 delegate->OnRenderWidgetDeleted(render_widget_id); | |
127 break; | |
128 case RenderWidgetMessage::UNKNOWN: | |
129 NOTREACHED(); | |
130 break; | |
131 } | |
132 } | |
133 | |
134 void RenderWidgetFeature::ProcessCompositorMessage( | |
135 RenderWidgetFeatureDelegate* delegate, | |
136 const CompositorMessage& message) { | |
137 int render_widget_id = message.render_widget_id(); | |
138 | |
139 std::unique_ptr<cc::proto::CompositorMessage> payload( | |
140 new cc::proto::CompositorMessage); | |
141 if (payload->ParseFromString(message.payload())) { | |
142 delegate->OnCompositorMessageReceived(render_widget_id, std::move(payload)); | |
143 } | |
144 } | |
145 | |
146 RenderWidgetFeature::RenderWidgetFeatureDelegate* | |
147 RenderWidgetFeature::FindDelegate(const int tab_id) { | |
148 DelegateMap::const_iterator it = delegates_.find(tab_id); | |
149 if (it != delegates_.end()) | |
150 return it->second; | |
151 return nullptr; | |
152 } | |
153 | |
154 } // namespace client | |
155 } // namespace blimp | |
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