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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 /** | 5 /** |
6 * The global object. | 6 * The global object. |
7 * @type {!Object} | 7 * @type {!Object} |
8 * @const | 8 * @const |
9 */ | 9 */ |
10 var global = this; | 10 var global = this; |
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287 * instance object. | 287 * instance object. |
288 * @param {!Function} ctor The constructor for the class to add the static | 288 * @param {!Function} ctor The constructor for the class to add the static |
289 * method to. | 289 * method to. |
290 */ | 290 */ |
291 function addSingletonGetter(ctor) { | 291 function addSingletonGetter(ctor) { |
292 ctor.getInstance = function() { | 292 ctor.getInstance = function() { |
293 return ctor.instance_ || (ctor.instance_ = new ctor()); | 293 return ctor.instance_ || (ctor.instance_ = new ctor()); |
294 }; | 294 }; |
295 } | 295 } |
296 | 296 |
297 /** | |
298 * Forwards public APIs to private implementations. | |
299 * @param {Function} ctor Constructor that have private implementations in its | |
300 * prototype. | |
301 * @param {Array.<string>} methods List of public method names that have their | |
302 * underscored counterparts in constructor's prototype. | |
303 * @param {*=} opt_target Target node. | |
304 */ | |
305 function makePublic(ctor, methods, opt_target) { | |
306 methods.forEach(function(method) { | |
307 ctor[method] = function() { | |
308 var target = opt_target || ctor.getInstance(); | |
309 return target[method + '_'].apply(target, arguments); | |
310 }; | |
311 }); | |
312 } | |
313 | |
314 return { | 297 return { |
315 addSingletonGetter: addSingletonGetter, | 298 addSingletonGetter: addSingletonGetter, |
316 createUid: createUid, | 299 createUid: createUid, |
317 define: define, | 300 define: define, |
318 defineProperty: defineProperty, | 301 defineProperty: defineProperty, |
319 dispatchPropertyChange: dispatchPropertyChange, | 302 dispatchPropertyChange: dispatchPropertyChange, |
320 dispatchSimpleEvent: dispatchSimpleEvent, | 303 dispatchSimpleEvent: dispatchSimpleEvent, |
321 exportPath: exportPath, | 304 exportPath: exportPath, |
322 getUid: getUid, | 305 getUid: getUid, |
323 makePublic: makePublic, | |
324 PropertyKind: PropertyKind, | 306 PropertyKind: PropertyKind, |
325 | 307 |
326 get doc() { | 308 get doc() { |
327 return document; | 309 return document; |
328 }, | 310 }, |
329 | 311 |
330 /** Whether we are using a Mac or not. */ | 312 /** Whether we are using a Mac or not. */ |
331 get isMac() { | 313 get isMac() { |
332 return /Mac/.test(navigator.platform); | 314 return /Mac/.test(navigator.platform); |
333 }, | 315 }, |
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347 return /Linux/.test(navigator.userAgent); | 329 return /Linux/.test(navigator.userAgent); |
348 }, | 330 }, |
349 | 331 |
350 /** Whether this uses the views toolkit or not. */ | 332 /** Whether this uses the views toolkit or not. */ |
351 get isViews() { | 333 get isViews() { |
352 return typeof chrome.getVariableValue == 'function' && | 334 return typeof chrome.getVariableValue == 'function' && |
353 /views/.test(chrome.getVariableValue('toolkit')); | 335 /views/.test(chrome.getVariableValue('toolkit')); |
354 }, | 336 }, |
355 }; | 337 }; |
356 }(); | 338 }(); |
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