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Side by Side Diff: extensions/renderer/resources/data_receiver.js

Issue 889283002: Remove Client= from device/serial/data_stream.mojom. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: This time without racing message pipes Created 5 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 define('data_receiver', [ 5 define('data_receiver', [
6 'device/serial/data_stream.mojom', 6 'device/serial/data_stream.mojom',
7 'device/serial/data_stream_serialization.mojom', 7 'device/serial/data_stream_serialization.mojom',
8 'mojo/public/js/core', 8 'mojo/public/js/core',
9 'mojo/public/js/router', 9 'mojo/public/js/router',
10 ], function(dataStream, serialization, core, router) { 10 ], function(dataStream, serialization, core, router) {
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
79 * @param {number} error The error to dispatch. 79 * @param {number} error The error to dispatch.
80 */ 80 */
81 PendingReceive.prototype.dispatchFatalError = function(error) { 81 PendingReceive.prototype.dispatchFatalError = function(error) {
82 var e = new Error(); 82 var e = new Error();
83 e.error = error; 83 e.error = error;
84 this.errorCallback_(e); 84 this.errorCallback_(e);
85 }; 85 };
86 86
87 /** 87 /**
88 * A DataReceiver that receives data from a DataSource. 88 * A DataReceiver that receives data from a DataSource.
89 * @param {!MojoHandle} handle The handle to the DataSource. 89 * @param {!MojoHandle} source The handle to the DataSource.
90 * @param {!MojoHandle} client The handle to the DataSourceClient.
90 * @param {number} bufferSize How large a buffer to use. 91 * @param {number} bufferSize How large a buffer to use.
91 * @param {number} fatalErrorValue The receive error value to report in the 92 * @param {number} fatalErrorValue The receive error value to report in the
92 * event of a fatal error. 93 * event of a fatal error.
93 * @constructor 94 * @constructor
94 * @alias module:data_receiver.DataReceiver 95 * @alias module:data_receiver.DataReceiver
95 */ 96 */
96 function DataReceiver(handle, bufferSize, fatalErrorValue) { 97 function DataReceiver(source, client, bufferSize, fatalErrorValue) {
97 this.init_(handle, fatalErrorValue, 0, null, [], false); 98 this.init_(source, client, fatalErrorValue, 0, null, [], false);
98 this.source_.init(bufferSize); 99 this.source_.init(bufferSize);
99 } 100 }
100 101
101 DataReceiver.prototype = 102 DataReceiver.prototype =
102 $Object.create(dataStream.DataSourceClient.stubClass.prototype); 103 $Object.create(dataStream.DataSourceClient.stubClass.prototype);
103 104
104 /** 105 /**
105 * Closes this DataReceiver. 106 * Closes this DataReceiver.
106 */ 107 */
107 DataReceiver.prototype.close = function() { 108 DataReceiver.prototype.close = function() {
108 if (this.shutDown_) 109 if (this.shutDown_)
109 return; 110 return;
110 this.shutDown_ = true; 111 this.shutDown_ = true;
111 this.router_.close(); 112 this.router_.close();
113 this.clientRouter_.close();
112 if (this.receive_) { 114 if (this.receive_) {
113 this.receive_.dispatchFatalError(this.fatalErrorValue_); 115 this.receive_.dispatchFatalError(this.fatalErrorValue_);
114 this.receive_ = null; 116 this.receive_ = null;
115 } 117 }
116 }; 118 };
117 119
118 /** 120 /**
119 * Initialize this DataReceiver. 121 * Initialize this DataReceiver.
120 * @param {!MojoHandle} source A handle to the DataSource 122 * @param {!MojoHandle} source A handle to the DataSource.
123 * @param {!MojoHandle} client A handle to the DataSourceClient.
121 * @param {number} fatalErrorValue The error to dispatch in the event of a 124 * @param {number} fatalErrorValue The error to dispatch in the event of a
122 * fatal error. 125 * fatal error.
123 * @param {number} bytesReceived The number of bytes already received. 126 * @param {number} bytesReceived The number of bytes already received.
124 * @param {PendingReceiveError} pendingError The pending error if there is 127 * @param {PendingReceiveError} pendingError The pending error if there is
125 * one. 128 * one.
126 * @param {!Array.<!ArrayBuffer>} pendingData Data received from the 129 * @param {!Array.<!ArrayBuffer>} pendingData Data received from the
127 * DataSource not yet requested by the client. 130 * DataSource not yet requested by the client.
128 * @param {boolean} paused Whether the DataSource is paused. 131 * @param {boolean} paused Whether the DataSource is paused.
129 * @private 132 * @private
130 */ 133 */
131 DataReceiver.prototype.init_ = function(source, 134 DataReceiver.prototype.init_ = function(source, client, fatalErrorValue,
132 fatalErrorValue, 135 bytesReceived, pendingError,
133 bytesReceived, 136 pendingData, paused) {
134 pendingError,
135 pendingData,
136 paused) {
137 /** 137 /**
138 * The [Router]{@link module:mojo/public/js/router.Router} for the 138 * The [Router]{@link module:mojo/public/js/router.Router} for the
139 * connection to the DataSource. 139 * connection to the DataSource.
140 * @private 140 * @private
141 */ 141 */
142 this.router_ = new router.Router(source); 142 this.router_ = new router.Router(source);
143 /** 143 /**
144 * The [Router]{@link module:mojo/public/js/router.Router} for the
145 * connection to the DataSource.
146 * @private
147 */
148 this.clientRouter_ = new router.Router(client);
149 /**
144 * The connection to the DataSource. 150 * The connection to the DataSource.
145 * @private 151 * @private
146 */ 152 */
147 this.source_ = new dataStream.DataSource.proxyClass(this.router_); 153 this.source_ = new dataStream.DataSource.proxyClass(this.router_);
148 this.router_.setIncomingReceiver(this); 154 this.client_ = new dataStream.DataSourceClient.stubClass(this);
155 this.clientRouter_.setIncomingReceiver(this.client_);
149 /** 156 /**
150 * The current receive operation. 157 * The current receive operation.
151 * @type {module:data_receiver~PendingReceive} 158 * @type {module:data_receiver~PendingReceive}
152 * @private 159 * @private
153 */ 160 */
154 this.receive_ = null; 161 this.receive_ = null;
155 /** 162 /**
156 * The error to be dispatched in the event of a fatal error. 163 * The error to be dispatched in the event of a fatal error.
157 * @const {number} 164 * @const {number}
158 * @private 165 * @private
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195 DataReceiver.prototype.serialize = function() { 202 DataReceiver.prototype.serialize = function() {
196 if (this.shutDown_) 203 if (this.shutDown_)
197 return Promise.resolve(null); 204 return Promise.resolve(null);
198 205
199 if (this.receive_) { 206 if (this.receive_) {
200 this.receive_.dispatchFatalError(this.fatalErrorValue_); 207 this.receive_.dispatchFatalError(this.fatalErrorValue_);
201 this.receive_ = null; 208 this.receive_ = null;
202 } 209 }
203 var serialized = new serialization.SerializedDataReceiver(); 210 var serialized = new serialization.SerializedDataReceiver();
204 serialized.source = this.router_.connector_.handle_; 211 serialized.source = this.router_.connector_.handle_;
212 serialized.client = this.clientRouter_.connector_.handle_;
205 serialized.fatal_error_value = this.fatalErrorValue_; 213 serialized.fatal_error_value = this.fatalErrorValue_;
206 serialized.paused = this.paused_; 214 serialized.paused = this.paused_;
207 serialized.pending_error = this.pendingError_; 215 serialized.pending_error = this.pendingError_;
208 serialized.pending_data = []; 216 serialized.pending_data = [];
209 $Array.forEach(this.pendingDataBuffers_, function(buffer) { 217 $Array.forEach(this.pendingDataBuffers_, function(buffer) {
210 serialized.pending_data.push(new Uint8Array(buffer)); 218 serialized.pending_data.push(new Uint8Array(buffer));
211 }); 219 });
212 this.router_.connector_.handle_ = null; 220 this.router_.connector_.handle_ = null;
213 this.router_.close(); 221 this.router_.close();
222 this.clientRouter_.connector_.handle_ = null;
223 this.clientRouter_.close();
214 this.shutDown_ = true; 224 this.shutDown_ = true;
215 return Promise.resolve(serialized); 225 return Promise.resolve(serialized);
216 }; 226 };
217 227
218 /** 228 /**
219 * Deserializes a SerializedDataReceiver. 229 * Deserializes a SerializedDataReceiver.
220 * @param {SerializedDataReceiver} serialized The serialized DataReceiver. 230 * @param {SerializedDataReceiver} serialized The serialized DataReceiver.
221 * @return {!DataReceiver} The deserialized DataReceiver. 231 * @return {!DataReceiver} The deserialized DataReceiver.
222 */ 232 */
223 DataReceiver.deserialize = function(serialized) { 233 DataReceiver.deserialize = function(serialized) {
(...skipping 11 matching lines...) Expand all
235 if (!serialized) { 245 if (!serialized) {
236 this.shutDown_ = true; 246 this.shutDown_ = true;
237 return; 247 return;
238 } 248 }
239 var pendingData = []; 249 var pendingData = [];
240 $Array.forEach(serialized.pending_data, function(data) { 250 $Array.forEach(serialized.pending_data, function(data) {
241 var buffer = new Uint8Array(data.length); 251 var buffer = new Uint8Array(data.length);
242 buffer.set(data); 252 buffer.set(data);
243 pendingData.push(buffer.buffer); 253 pendingData.push(buffer.buffer);
244 }); 254 });
245 this.init_(serialized.source, 255 this.init_(serialized.source, serialized.client,
246 serialized.fatal_error_value, 256 serialized.fatal_error_value, serialized.bytes_received,
247 serialized.bytes_received, 257 serialized.pending_error, pendingData, serialized.paused);
248 serialized.pending_error,
249 pendingData,
250 serialized.paused);
251 }; 258 };
252 259
253 /** 260 /**
254 * Receive data from the DataSource. 261 * Receive data from the DataSource.
255 * @return {Promise.<ArrayBuffer>} A promise to the received data. If an error 262 * @return {Promise.<ArrayBuffer>} A promise to the received data. If an error
256 * occurs, the promise will reject with an Error object with a property 263 * occurs, the promise will reject with an Error object with a property
257 * error containing the error code. 264 * error containing the error code.
258 * @throws Will throw if this has encountered a fatal error or another receive 265 * @throws Will throw if this has encountered a fatal error or another receive
259 * is in progress. 266 * is in progress.
260 */ 267 */
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320 var buffer = new ArrayBuffer(data.length); 327 var buffer = new ArrayBuffer(data.length);
321 var uintView = new Uint8Array(buffer); 328 var uintView = new Uint8Array(buffer);
322 uintView.set(data); 329 uintView.set(data);
323 this.pendingDataBuffers_.push(buffer); 330 this.pendingDataBuffers_.push(buffer);
324 if (this.receive_) 331 if (this.receive_)
325 this.dispatchData_(); 332 this.dispatchData_();
326 }; 333 };
327 334
328 return {DataReceiver: DataReceiver}; 335 return {DataReceiver: DataReceiver};
329 }); 336 });
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