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Side by Side Diff: chrome/browser/resources/google_now/utility.js

Issue 917093003: Shorten Closure template notation from Array.<*> to Array<*>. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: remove cvox Created 5 years, 10 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 'use strict'; 5 'use strict';
6 6
7 /** 7 /**
8 * @fileoverview Utility objects and functions for Google Now extension. 8 * @fileoverview Utility objects and functions for Google Now extension.
9 * Most important entities here: 9 * Most important entities here:
10 * (1) 'wrapper' is a module used to add error handling and other services to 10 * (1) 'wrapper' is a module used to add error handling and other services to
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259 * was instrumented by wrapper.wrapCallback() call. 259 * was instrumented by wrapper.wrapCallback() call.
260 * @type {boolean} 260 * @type {boolean}
261 */ 261 */
262 var isInWrappedCallback = false; 262 var isInWrappedCallback = false;
263 263
264 /** 264 /**
265 * Required callbacks that are not yet called. Includes both task and non-task 265 * Required callbacks that are not yet called. Includes both task and non-task
266 * callbacks. This is a map from unique callback id to the stack at the moment 266 * callbacks. This is a map from unique callback id to the stack at the moment
267 * when the callback was wrapped. This stack identifies the callback. 267 * when the callback was wrapped. This stack identifies the callback.
268 * Used only for diagnostics. 268 * Used only for diagnostics.
269 * @type {Object.<number, string>} 269 * @type {Object<number, string>}
270 */ 270 */
271 var pendingCallbacks = {}; 271 var pendingCallbacks = {};
272 272
273 /** 273 /**
274 * Unique ID of the next callback. 274 * Unique ID of the next callback.
275 * @type {number} 275 * @type {number}
276 */ 276 */
277 var nextCallbackId = 0; 277 var nextCallbackId = 0;
278 278
279 /** 279 /**
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338 338
339 return returnValue; 339 return returnValue;
340 } catch (error) { 340 } catch (error) {
341 reportError(error); 341 reportError(error);
342 } 342 }
343 }; 343 };
344 } 344 }
345 345
346 /** 346 /**
347 * Returns an instrumented function. 347 * Returns an instrumented function.
348 * @param {!Array.<string>} functionIdentifierParts Path to the chrome.* 348 * @param {!Array<string>} functionIdentifierParts Path to the chrome.*
349 * function. 349 * function.
350 * @param {string} functionName Name of the chrome API function. 350 * @param {string} functionName Name of the chrome API function.
351 * @param {number} callbackParameter Index of the callback parameter to this 351 * @param {number} callbackParameter Index of the callback parameter to this
352 * API function. 352 * API function.
353 * @return {Function} An instrumented function. 353 * @return {Function} An instrumented function.
354 */ 354 */
355 function createInstrumentedFunction( 355 function createInstrumentedFunction(
356 functionIdentifierParts, 356 functionIdentifierParts,
357 functionName, 357 functionName,
358 callbackParameter) { 358 callbackParameter) {
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508 * is nothing left to do. 508 * is nothing left to do.
509 * @param {object} promise Promise being tracked. 509 * @param {object} promise Promise being tracked.
510 * @return {object} A promise callback tracker. 510 * @return {object} A promise callback tracker.
511 */ 511 */
512 function createPromiseCallbackTracker(promise) { 512 function createPromiseCallbackTracker(promise) {
513 /** 513 /**
514 * Callback Tracker. Holds an array of callbacks created for this promise. 514 * Callback Tracker. Holds an array of callbacks created for this promise.
515 * The indirection allows quick checks against the array and clearing the 515 * The indirection allows quick checks against the array and clearing the
516 * array without ugly splicing and copying. 516 * array without ugly splicing and copying.
517 * @typedef {{ 517 * @typedef {{
518 * callback: array.<Function>= 518 * callback: array<Function>=
519 * }} 519 * }}
520 */ 520 */
521 var CallbackTracker; 521 var CallbackTracker;
522 522
523 /** @type {CallbackTracker} */ 523 /** @type {CallbackTracker} */
524 var thenTracker = {callbacks: []}; 524 var thenTracker = {callbacks: []};
525 /** @type {CallbackTracker} */ 525 /** @type {CallbackTracker} */
526 var catchTracker = {callbacks: []}; 526 var catchTracker = {callbacks: []};
527 527
528 /** 528 /**
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689 * Builds the object to manage tasks (mutually exclusive chains of events). 689 * Builds the object to manage tasks (mutually exclusive chains of events).
690 * @param {function(string, string): boolean} areConflicting Function that 690 * @param {function(string, string): boolean} areConflicting Function that
691 * checks if a new task can't be added to a task queue that contains an 691 * checks if a new task can't be added to a task queue that contains an
692 * existing task. 692 * existing task.
693 * @return {Object} Task manager interface. 693 * @return {Object} Task manager interface.
694 */ 694 */
695 function buildTaskManager(areConflicting) { 695 function buildTaskManager(areConflicting) {
696 /** 696 /**
697 * Queue of scheduled tasks. The first element, if present, corresponds to the 697 * Queue of scheduled tasks. The first element, if present, corresponds to the
698 * currently running task. 698 * currently running task.
699 * @type {Array.<Object.<string, function()>>} 699 * @type {Array<Object<string, function()>>}
700 */ 700 */
701 var queue = []; 701 var queue = [];
702 702
703 /** 703 /**
704 * Count of unfinished callbacks of the current task. 704 * Count of unfinished callbacks of the current task.
705 * @type {number} 705 * @type {number}
706 */ 706 */
707 var taskPendingCallbackCount = 0; 707 var taskPendingCallbackCount = 0;
708 708
709 /** 709 /**
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1052 // One hour is just an arbitrary amount of time chosen. 1052 // One hour is just an arbitrary amount of time chosen.
1053 chrome.alarms.create(alarmName, {periodInMinutes: 60}); 1053 chrome.alarms.create(alarmName, {periodInMinutes: 60});
1054 1054
1055 return { 1055 return {
1056 addListener: addListener, 1056 addListener: addListener,
1057 getAuthToken: getAuthToken, 1057 getAuthToken: getAuthToken,
1058 isSignedIn: isSignedIn, 1058 isSignedIn: isSignedIn,
1059 removeToken: removeToken 1059 removeToken: removeToken
1060 }; 1060 };
1061 } 1061 }
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