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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 "ppapi/utility/websocket/websocket_api.h" | |
6 | |
7 #include "ppapi/c/pp_errors.h" | |
8 #include "ppapi/c/pp_macros.h" | |
9 #include "ppapi/cpp/dev/websocket_dev.h" | |
10 #include "ppapi/cpp/instance.h" | |
11 #include "ppapi/cpp/module.h" | |
12 #include "ppapi/cpp/module_impl.h" | |
13 #include "ppapi/cpp/var.h" | |
14 #include "ppapi/utility/completion_callback_factory.h" | |
15 | |
16 namespace pp { | |
17 | |
18 class WebSocketAPI::Implement : public WebSocket_Dev { | |
19 public: | |
20 Implement(Instance* instance, WebSocketAPI* api) | |
21 : WebSocket_Dev(instance), | |
22 api_(api), | |
23 callback_factory_(PP_ALLOW_THIS_IN_INITIALIZER_LIST(this)) { | |
24 } | |
25 | |
26 ~Implement() {} | |
dmichael (off chromium)
2012/02/01 23:05:18
style nit: virtual
Takashi Toyoshima
2012/02/03 07:58:27
Done.
| |
27 | |
28 int32_t Connect(const Var& url, const Var protocols[], | |
29 uint32_t protocol_count) { | |
30 CompletionCallback callback = | |
31 callback_factory_.NewOptionalCallback(&Implement::DidConnect); | |
32 int32_t result = | |
33 WebSocket_Dev::Connect(url, protocols, protocol_count, callback); | |
34 if (result != PP_OK_COMPLETIONPENDING) { | |
dmichael (off chromium)
2012/02/01 23:05:18
PP_OK is not possible here, right? If this class d
Takashi Toyoshima
2012/02/03 07:58:27
Yes. In successful cases it always returns asynchr
| |
35 // Consumes callback here and uses PP_ERROR_ABORTED instead of result | |
36 // in order to avoid side effects in DidConnect. | |
37 callback.Run(PP_ERROR_ABORTED); | |
dmichael (off chromium)
2012/02/01 23:05:18
Do all your errors that are reported immediately h
Takashi Toyoshima
2012/02/03 07:58:27
Caller catches the error code as a return value of
| |
38 } | |
39 return result; | |
40 } | |
41 | |
42 int32_t Close(uint16_t code, const Var& reason) { | |
43 CompletionCallback callback = | |
44 callback_factory_.NewOptionalCallback(&Implement::DidClose); | |
45 int32_t result = WebSocket_Dev::Close(code, reason, callback); | |
46 if (result != PP_OK_COMPLETIONPENDING) { | |
dmichael (off chromium)
2012/02/01 23:05:18
ditto about documenting that PP_OK won't happen.
Takashi Toyoshima
2012/02/03 07:58:27
Ditto. I revise these comments to describe more cl
| |
47 // Consumes callback here and uses PP_ERROR_ABORTED instead of result | |
48 // in order to avoid side effects in DidClose. | |
49 callback.Run(PP_ERROR_ABORTED); | |
50 } | |
51 return result; | |
52 } | |
53 | |
54 void Receive() { | |
55 int32_t result; | |
56 do { | |
57 CompletionCallback callback = | |
58 callback_factory_.NewOptionalCallback(&Implement::DidReceive); | |
59 result = WebSocket_Dev::ReceiveMessage(&receive_message_var_, callback); | |
60 if (result != PP_OK_COMPLETIONPENDING) | |
61 callback.Run(result); | |
62 } while (result == PP_OK); | |
63 } | |
64 | |
65 void DidConnect(int32_t result) { | |
66 if (result == PP_OK) { | |
67 api_->OnOpen(); | |
68 Receive(); | |
69 } else if (result != PP_ERROR_ABORTED) { | |
70 DidClose(result); | |
71 } | |
72 } | |
73 | |
74 void DidReceive(int32_t result) { | |
75 if (result == PP_OK) { | |
76 api_->OnMessage(receive_message_var_); | |
77 Receive(); | |
78 } else if (result != PP_ERROR_ABORTED) { | |
79 DidClose(result); | |
80 } | |
81 } | |
82 | |
83 void DidClose(int32_t result) { | |
84 if (result == PP_ERROR_ABORTED) | |
85 return; | |
86 bool was_clean = GetCloseWasClean(); | |
87 if (!was_clean) | |
88 api_->OnError(); | |
89 api_->OnClose(was_clean, GetCloseCode(), GetCloseReason()); | |
90 } | |
91 | |
92 private: | |
93 WebSocketAPI* api_; | |
94 CompletionCallbackFactory<Implement> callback_factory_; | |
95 Var receive_message_var_; | |
96 }; | |
97 | |
98 WebSocketAPI::WebSocketAPI(Instance* instance) | |
99 : impl_(new Implement(instance, PP_ALLOW_THIS_IN_INITIALIZER_LIST(this))) { | |
100 } | |
101 | |
102 WebSocketAPI::~WebSocketAPI() { | |
103 delete impl_; | |
104 } | |
105 | |
106 int32_t WebSocketAPI::Connect(const Var& url, const Var protocols[], | |
107 uint32_t protocol_count) { | |
108 return impl_->Connect(url, protocols, protocol_count); | |
109 } | |
110 | |
111 int32_t WebSocketAPI::Close(uint16_t code, const Var& reason) { | |
112 return impl_->Close(code, reason); | |
113 } | |
114 | |
115 int32_t WebSocketAPI::Send(const Var& data) { | |
116 return impl_->SendMessage(data); | |
117 } | |
118 | |
119 uint64_t WebSocketAPI::GetBufferedAmount() { | |
120 return impl_->GetBufferedAmount(); | |
121 } | |
122 | |
123 Var WebSocketAPI::GetExtensions() { | |
124 return impl_->GetExtensions(); | |
125 } | |
126 | |
127 Var WebSocketAPI::GetProtocol() { | |
128 return impl_->GetProtocol(); | |
129 } | |
130 | |
131 PP_WebSocketReadyState_Dev WebSocketAPI::GetReadyState() { | |
132 return impl_->GetReadyState(); | |
133 } | |
134 | |
135 Var WebSocketAPI::GetURL() { | |
136 return impl_->GetURL(); | |
137 } | |
138 | |
139 bool WebSocketAPI::SetBinaryType(PP_WebSocketBinaryType_Dev binary_type) { | |
140 return impl_->SetBinaryType(binary_type); | |
141 } | |
142 | |
143 PP_WebSocketBinaryType_Dev WebSocketAPI::GetBinaryType() { | |
144 return impl_->GetBinaryType(); | |
145 } | |
146 | |
147 } // namespace pp | |
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