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Side by Side Diff: content/renderer/presentation/presentation_connection_proxy.cc

Issue 2471263003: [Presentation API] (4th)(1-UA blink side) Add WebPresentationConnection and WebPresentationConnecti… (Closed)
Patch Set: resolve code review comments from Derek and Mark Created 3 years, 10 months ago
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1 // Copyright 2017 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/presentation/presentation_connection_proxy.h"
6
7 #include "base/logging.h"
8 #include "content/renderer/presentation/presentation_dispatcher.h"
9 #include "third_party/WebKit/public/platform/WebString.h"
10 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nConnection.h"
11 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nController.h"
12 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nSessionInfo.h"
13
14 namespace content {
15
16 PresentationConnectionProxy::PresentationConnectionProxy(
17 blink::WebPresentationConnection* source_connection)
18 : binding_(this),
19 target_connection_ptr_(nullptr),
20 source_connection_(source_connection) {
21 DCHECK(source_connection_);
22 }
23
24 PresentationConnectionProxy::~PresentationConnectionProxy() = default;
25
26 void PresentationConnectionProxy::SendConnectionMessage(
27 blink::mojom::ConnectionMessagePtr connection_message,
28 const OnMessageCallback& callback) const {
29 DCHECK(target_connection_ptr_);
30 target_connection_ptr_->OnMessage(std::move(connection_message), callback);
31 }
32
33 void PresentationConnectionProxy::OnMessage(
34 blink::mojom::ConnectionMessagePtr message,
35 const OnMessageCallback& callback) {
36 DCHECK(!callback.is_null());
37
38 switch (message->type) {
39 case blink::mojom::PresentationMessageType::TEXT: {
40 DCHECK(message->message);
41 source_connection_->didReceiveTextMessage(
42 blink::WebString::fromUTF8(message->message.value()));
43 break;
44 }
45 case blink::mojom::PresentationMessageType::BINARY: {
46 DCHECK(message->data);
47 source_connection_->didReceiveBinaryMessage(&(message->data->front()),
48 message->data->size());
49 break;
50 }
51 default: {
52 callback.Run(false);
53 NOTREACHED();
54 break;
55 }
56 }
57
58 callback.Run(true);
59 }
60
61 // TODO(crbug.com/588874): Ensure legal PresentationConnection state transitions
62 // in a single place.
63 void PresentationConnectionProxy::DidChangeState(
64 blink::mojom::PresentationConnectionState state) {
65 if (state == blink::mojom::PresentationConnectionState::CONNECTED) {
66 source_connection_->didChangeState(
67 blink::WebPresentationConnectionState::Connected);
68 } else {
69 // |DidChangeState| should only handle state transition from connecting ->
70 // connected. PresentationService and MRP handles other state transitions.
71 NOTREACHED();
72 }
73 }
74
75 ControllerConnectionProxy::ControllerConnectionProxy(
76 blink::WebPresentationConnection* controller_connection)
77 : PresentationConnectionProxy(controller_connection) {}
78
79 ControllerConnectionProxy::~ControllerConnectionProxy() {}
80
81 blink::mojom::PresentationConnectionPtr ControllerConnectionProxy::Bind() {
82 return binding_.CreateInterfacePtrAndBind();
83 }
84
85 blink::mojom::PresentationConnectionRequest
86 ControllerConnectionProxy::MakeRemoteRequest() {
87 DCHECK(!target_connection_ptr_)
88 << "target_connection_ptr_ should only be bound once.";
89 return mojo::MakeRequest(&target_connection_ptr_);
90 }
91
92 ReceiverConnectionProxy::ReceiverConnectionProxy(
93 blink::WebPresentationConnection* receiver_connection)
94 : PresentationConnectionProxy(receiver_connection) {}
95
96 ReceiverConnectionProxy::~ReceiverConnectionProxy() {}
97
98 void ReceiverConnectionProxy::Bind(
99 blink::mojom::PresentationConnectionRequest receiver_connection_request) {
100 binding_.Bind(std::move(receiver_connection_request));
101 }
102
103 void ReceiverConnectionProxy::BindControllerConnection(
104 blink::mojom::PresentationConnectionPtr controller_connection_ptr) {
105 DCHECK(!target_connection_ptr_);
106 target_connection_ptr_ = std::move(controller_connection_ptr);
107 target_connection_ptr_->DidChangeState(
108 blink::mojom::PresentationConnectionState::CONNECTED);
109
110 DidChangeState(blink::mojom::PresentationConnectionState::CONNECTED);
111 }
112
113 } // namespace content
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