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| 1 // Copyright (c) 2011 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 cr.define('options', function() { | |
| 6 | |
| 7 var Preferences = options.Preferences; | |
| 8 | |
| 9 /** | |
| 10 * Allows an element to be disabled for several reasons. | |
| 11 * The element is disabled if at least one reason is true, and the reasons | |
| 12 * can be set separately. | |
| 13 * @private | |
| 14 * @param {!HTMLElement} el The element to update. | |
| 15 * @param {string} reason The reason for disabling the element. | |
| 16 * @param {boolean} disabled Whether the element should be disabled or enabled | |
| 17 * for the given |reason|. | |
| 18 */ | |
| 19 function updateDisabledState_(el, reason, disabled) { | |
| 20 if (!el.disabledReasons) | |
| 21 el.disabledReasons = {}; | |
| 22 if (el.disabled && (Object.keys(el.disabledReasons).length == 0)) { | |
| 23 // The element has been previously disabled without a reason, so we add | |
| 24 // one to keep it disabled. | |
| 25 el.disabledReasons['other'] = true; | |
| 26 } | |
| 27 if (!el.disabled) { | |
| 28 // If the element is not disabled, there should be no reason, except for | |
| 29 // 'other'. | |
| 30 delete el.disabledReasons['other']; | |
| 31 if (Object.keys(el.disabledReasons).length > 0) | |
| 32 console.error("Element is not disabled but should be"); | |
| 33 } | |
| 34 if (disabled) { | |
| 35 el.disabledReasons[reason] = true; | |
| 36 } else { | |
| 37 delete el.disabledReasons[reason]; | |
| 38 } | |
| 39 el.disabled = Object.keys(el.disabledReasons).length > 0; | |
| 40 } | |
| 41 | |
| 42 /** | |
| 43 * Helper function to update element's state from pref change event. | |
| 44 * @private | |
| 45 * @param {!HTMLElement} el The element to update. | |
| 46 * @param {!Event} event The pref change event. | |
| 47 */ | |
| 48 function updateElementState_(el, event) { | |
| 49 el.controlledBy = null; | |
| 50 | |
| 51 if (!event.value) | |
| 52 return; | |
| 53 | |
| 54 updateDisabledState_(el, 'notUserModifiable', event.value.disabled); | |
| 55 | |
| 56 el.controlledBy = event.value['controlledBy']; | |
| 57 | |
| 58 OptionsPage.updateManagedBannerVisibility(); | |
| 59 } | |
| 60 | |
| 61 ///////////////////////////////////////////////////////////////////////////// | |
| 62 // PrefCheckbox class: | |
| 63 // TODO(jhawkins): Refactor all this copy-pasted code! | |
| 64 | |
| 65 // Define a constructor that uses an input element as its underlying element. | |
| 66 var PrefCheckbox = cr.ui.define('input'); | |
| 67 | |
| 68 PrefCheckbox.prototype = { | |
| 69 // Set up the prototype chain | |
| 70 __proto__: HTMLInputElement.prototype, | |
| 71 | |
| 72 /** | |
| 73 * Initialization function for the cr.ui framework. | |
| 74 */ | |
| 75 decorate: function() { | |
| 76 this.type = 'checkbox'; | |
| 77 var self = this; | |
| 78 | |
| 79 self.initializeValueType(self.getAttribute('value-type')); | |
| 80 | |
| 81 // Listen to pref changes. | |
| 82 Preferences.getInstance().addEventListener( | |
| 83 this.pref, | |
| 84 function(event) { | |
| 85 var value = event.value && event.value['value'] != undefined ? | |
| 86 event.value['value'] : event.value; | |
| 87 | |
| 88 // Invert pref value if inverted_pref == true. | |
| 89 if (self.inverted_pref) | |
| 90 self.checked = !Boolean(value); | |
| 91 else | |
| 92 self.checked = Boolean(value); | |
| 93 | |
| 94 updateElementState_(self, event); | |
| 95 }); | |
| 96 | |
| 97 // Listen to user events. | |
| 98 this.addEventListener( | |
| 99 'change', | |
| 100 function(e) { | |
| 101 if (self.customChangeHandler(e)) | |
| 102 return; | |
| 103 var value = self.inverted_pref ? !self.checked : self.checked; | |
| 104 switch(self.valueType) { | |
| 105 case 'number': | |
| 106 Preferences.setIntegerPref(self.pref, | |
| 107 Number(value), self.metric); | |
| 108 break; | |
| 109 case 'boolean': | |
| 110 Preferences.setBooleanPref(self.pref, | |
| 111 value, self.metric); | |
| 112 break; | |
| 113 } | |
| 114 }); | |
| 115 }, | |
| 116 | |
| 117 /** | |
| 118 * Sets up options in checkbox element. | |
| 119 * @param {String} valueType The preference type for this checkbox. | |
| 120 */ | |
| 121 initializeValueType: function(valueType) { | |
| 122 this.valueType = valueType || 'boolean'; | |
| 123 }, | |
| 124 | |
| 125 /** | |
| 126 * See |updateDisabledState_| above. | |
| 127 */ | |
| 128 setDisabled: function(reason, disabled) { | |
| 129 updateDisabledState_(this, reason, disabled); | |
| 130 }, | |
| 131 | |
| 132 /** | |
| 133 * This method is called first while processing an onchange event. If it | |
| 134 * returns false, regular onchange processing continues (setting the | |
| 135 * associated pref, etc). If it returns true, the rest of the onchange is | |
| 136 * not performed. I.e., this works like stopPropagation or cancelBubble. | |
| 137 * @param {Event} event Change event. | |
| 138 */ | |
| 139 customChangeHandler: function(event) { | |
| 140 return false; | |
| 141 }, | |
| 142 }; | |
| 143 | |
| 144 /** | |
| 145 * The preference name. | |
| 146 * @type {string} | |
| 147 */ | |
| 148 cr.defineProperty(PrefCheckbox, 'pref', cr.PropertyKind.ATTR); | |
| 149 | |
| 150 /** | |
| 151 * Whether the preference is controlled by something else than the user's | |
| 152 * settings (either 'policy' or 'extension'). | |
| 153 * @type {string} | |
| 154 */ | |
| 155 cr.defineProperty(PrefCheckbox, 'controlledBy', cr.PropertyKind.ATTR); | |
| 156 | |
| 157 /** | |
| 158 * The user metric string. | |
| 159 * @type {string} | |
| 160 */ | |
| 161 cr.defineProperty(PrefCheckbox, 'metric', cr.PropertyKind.ATTR); | |
| 162 | |
| 163 /** | |
| 164 * Whether to use inverted pref value. | |
| 165 * @type {boolean} | |
| 166 */ | |
| 167 cr.defineProperty(PrefCheckbox, 'inverted_pref', cr.PropertyKind.BOOL_ATTR); | |
| 168 | |
| 169 ///////////////////////////////////////////////////////////////////////////// | |
| 170 // PrefRadio class: | |
| 171 | |
| 172 //Define a constructor that uses an input element as its underlying element. | |
| 173 var PrefRadio = cr.ui.define('input'); | |
| 174 | |
| 175 PrefRadio.prototype = { | |
| 176 // Set up the prototype chain | |
| 177 __proto__: HTMLInputElement.prototype, | |
| 178 | |
| 179 /** | |
| 180 * Initialization function for the cr.ui framework. | |
| 181 */ | |
| 182 decorate: function() { | |
| 183 this.type = 'radio'; | |
| 184 var self = this; | |
| 185 | |
| 186 // Listen to pref changes. | |
| 187 Preferences.getInstance().addEventListener(this.pref, | |
| 188 function(event) { | |
| 189 var value = event.value && event.value['value'] != undefined ? | |
| 190 event.value['value'] : event.value; | |
| 191 self.checked = String(value) == self.value; | |
| 192 | |
| 193 updateElementState_(self, event); | |
| 194 }); | |
| 195 | |
| 196 // Listen to user events. | |
| 197 this.addEventListener('change', | |
| 198 function(e) { | |
| 199 if(self.value == 'true' || self.value == 'false') { | |
| 200 Preferences.setBooleanPref(self.pref, | |
| 201 self.value == 'true', self.metric); | |
| 202 } else { | |
| 203 Preferences.setIntegerPref(self.pref, | |
| 204 parseInt(self.value, 10), self.metric); | |
| 205 } | |
| 206 }); | |
| 207 }, | |
| 208 | |
| 209 /** | |
| 210 * See |updateDisabledState_| above. | |
| 211 */ | |
| 212 setDisabled: function(reason, disabled) { | |
| 213 updateDisabledState_(this, reason, disabled); | |
| 214 }, | |
| 215 }; | |
| 216 | |
| 217 /** | |
| 218 * The preference name. | |
| 219 * @type {string} | |
| 220 */ | |
| 221 cr.defineProperty(PrefRadio, 'pref', cr.PropertyKind.ATTR); | |
| 222 | |
| 223 /** | |
| 224 * Whether the preference is controlled by something else than the user's | |
| 225 * settings (either 'policy' or 'extension'). | |
| 226 * @type {string} | |
| 227 */ | |
| 228 cr.defineProperty(PrefRadio, 'controlledBy', cr.PropertyKind.ATTR); | |
| 229 | |
| 230 /** | |
| 231 * The user metric string. | |
| 232 * @type {string} | |
| 233 */ | |
| 234 cr.defineProperty(PrefRadio, 'metric', cr.PropertyKind.ATTR); | |
| 235 | |
| 236 ///////////////////////////////////////////////////////////////////////////// | |
| 237 // PrefNumeric class: | |
| 238 | |
| 239 // Define a constructor that uses an input element as its underlying element. | |
| 240 var PrefNumeric = function() {}; | |
| 241 PrefNumeric.prototype = { | |
| 242 // Set up the prototype chain | |
| 243 __proto__: HTMLInputElement.prototype, | |
| 244 | |
| 245 /** | |
| 246 * Initialization function for the cr.ui framework. | |
| 247 */ | |
| 248 decorate: function() { | |
| 249 var self = this; | |
| 250 | |
| 251 // Listen to pref changes. | |
| 252 Preferences.getInstance().addEventListener(this.pref, | |
| 253 function(event) { | |
| 254 self.value = event.value && event.value['value'] != undefined ? | |
| 255 event.value['value'] : event.value; | |
| 256 | |
| 257 updateElementState_(self, event); | |
| 258 }); | |
| 259 | |
| 260 // Listen to user events. | |
| 261 this.addEventListener('change', | |
| 262 function(e) { | |
| 263 if (this.validity.valid) { | |
| 264 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 265 } | |
| 266 }); | |
| 267 }, | |
| 268 | |
| 269 /** | |
| 270 * See |updateDisabledState_| above. | |
| 271 */ | |
| 272 setDisabled: function(reason, disabled) { | |
| 273 updateDisabledState_(this, reason, disabled); | |
| 274 }, | |
| 275 }; | |
| 276 | |
| 277 /** | |
| 278 * The preference name. | |
| 279 * @type {string} | |
| 280 */ | |
| 281 cr.defineProperty(PrefNumeric, 'pref', cr.PropertyKind.ATTR); | |
| 282 | |
| 283 /** | |
| 284 * Whether the preference is controlled by something else than the user's | |
| 285 * settings (either 'policy' or 'extension'). | |
| 286 * @type {string} | |
| 287 */ | |
| 288 cr.defineProperty(PrefNumeric, 'controlledBy', cr.PropertyKind.ATTR); | |
| 289 | |
| 290 /** | |
| 291 * The user metric string. | |
| 292 * @type {string} | |
| 293 */ | |
| 294 cr.defineProperty(PrefNumeric, 'metric', cr.PropertyKind.ATTR); | |
| 295 | |
| 296 ///////////////////////////////////////////////////////////////////////////// | |
| 297 // PrefNumber class: | |
| 298 | |
| 299 // Define a constructor that uses an input element as its underlying element. | |
| 300 var PrefNumber = cr.ui.define('input'); | |
| 301 | |
| 302 PrefNumber.prototype = { | |
| 303 // Set up the prototype chain | |
| 304 __proto__: PrefNumeric.prototype, | |
| 305 | |
| 306 /** | |
| 307 * Initialization function for the cr.ui framework. | |
| 308 */ | |
| 309 decorate: function() { | |
| 310 this.type = 'number'; | |
| 311 PrefNumeric.prototype.decorate.call(this); | |
| 312 | |
| 313 // Listen to user events. | |
| 314 this.addEventListener('input', | |
| 315 function(e) { | |
| 316 if (this.validity.valid) { | |
| 317 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 318 } | |
| 319 }); | |
| 320 }, | |
| 321 | |
| 322 /** | |
| 323 * See |updateDisabledState_| above. | |
| 324 */ | |
| 325 setDisabled: function(reason, disabled) { | |
| 326 updateDisabledState_(this, reason, disabled); | |
| 327 }, | |
| 328 }; | |
| 329 | |
| 330 ///////////////////////////////////////////////////////////////////////////// | |
| 331 // PrefRange class: | |
| 332 | |
| 333 // Define a constructor that uses an input element as its underlying element. | |
| 334 var PrefRange = cr.ui.define('input'); | |
| 335 | |
| 336 PrefRange.prototype = { | |
| 337 // Set up the prototype chain | |
| 338 __proto__: HTMLInputElement.prototype, | |
| 339 | |
| 340 /** | |
| 341 * The map from input range value to the corresponding preference value. | |
| 342 */ | |
| 343 valueMap: undefined, | |
| 344 | |
| 345 /** | |
| 346 * If true, the associated pref will be modified on each onchange event; | |
| 347 * otherwise, the pref will only be modified on the onmouseup event after | |
| 348 * the drag. | |
| 349 */ | |
| 350 continuous: true, | |
| 351 | |
| 352 /** | |
| 353 * Initialization function for the cr.ui framework. | |
| 354 */ | |
| 355 decorate: function() { | |
| 356 this.type = 'range'; | |
| 357 | |
| 358 // Update the UI when the pref changes. | |
| 359 Preferences.getInstance().addEventListener( | |
| 360 this.pref, this.onPrefChange_.bind(this)); | |
| 361 | |
| 362 // Listen to user events. | |
| 363 // TODO(jhawkins): Add onmousewheel handling once the associated WK bug is | |
| 364 // fixed. | |
| 365 // https://bugs.webkit.org/show_bug.cgi?id=52256 | |
| 366 this.onchange = this.onChange_.bind(this); | |
| 367 this.onkeyup = this.onmouseup = this.onInputUp_.bind(this); | |
| 368 }, | |
| 369 | |
| 370 /** | |
| 371 * Event listener that updates the UI when the underlying pref changes. | |
| 372 * @param {Event} event The event that details the pref change. | |
| 373 * @private | |
| 374 */ | |
| 375 onPrefChange_: function(event) { | |
| 376 var value = event.value && event.value['value'] != undefined ? | |
| 377 event.value['value'] : event.value; | |
| 378 if (value != undefined) | |
| 379 this.value = this.valueMap ? this.valueMap.indexOf(value) : value; | |
| 380 }, | |
| 381 | |
| 382 /** | |
| 383 * onchange handler that sets the pref when the user changes the value of | |
| 384 * the input element. | |
| 385 * @private | |
| 386 */ | |
| 387 onChange_: function(event) { | |
| 388 if (this.continuous) | |
| 389 this.setRangePref_(); | |
| 390 | |
| 391 if (this.notifyChange) | |
| 392 this.notifyChange(this, this.mapValueToRange_(this.value)); | |
| 393 }, | |
| 394 | |
| 395 /** | |
| 396 * Sets the integer value of |pref| to the value of this element. | |
| 397 * @private | |
| 398 */ | |
| 399 setRangePref_: function() { | |
| 400 Preferences.setIntegerPref( | |
| 401 this.pref, this.mapValueToRange_(this.value), this.metric); | |
| 402 | |
| 403 if (this.notifyPrefChange) | |
| 404 this.notifyPrefChange(this, this.mapValueToRange_(this.value)); | |
| 405 }, | |
| 406 | |
| 407 /** | |
| 408 * onkeyup/onmouseup handler that modifies the pref if |continuous| is | |
| 409 * false. | |
| 410 * @private | |
| 411 */ | |
| 412 onInputUp_: function(event) { | |
| 413 if (!this.continuous) | |
| 414 this.setRangePref_(); | |
| 415 }, | |
| 416 | |
| 417 /** | |
| 418 * Maps the value of this element into the range provided by the client, | |
| 419 * represented by |valueMap|. | |
| 420 * @param {number} value The value to map. | |
| 421 * @private | |
| 422 */ | |
| 423 mapValueToRange_: function(value) { | |
| 424 return this.valueMap ? this.valueMap[value] : value; | |
| 425 }, | |
| 426 | |
| 427 /** | |
| 428 * Called when the client has specified non-continuous mode and the value of | |
| 429 * the range control changes. | |
| 430 * @param {Element} el This element. | |
| 431 * @param {number} value The value of this element. | |
| 432 */ | |
| 433 notifyChange: function(el, value) { | |
| 434 }, | |
| 435 | |
| 436 /** | |
| 437 * See |updateDisabledState_| above. | |
| 438 */ | |
| 439 setDisabled: function(reason, disabled) { | |
| 440 updateDisabledState_(this, reason, disabled); | |
| 441 }, | |
| 442 }; | |
| 443 | |
| 444 /** | |
| 445 * The preference name. | |
| 446 * @type {string} | |
| 447 */ | |
| 448 cr.defineProperty(PrefRange, 'pref', cr.PropertyKind.ATTR); | |
| 449 | |
| 450 /** | |
| 451 * Whether the preference is controlled by something else than the user's | |
| 452 * settings (either 'policy' or 'extension'). | |
| 453 * @type {string} | |
| 454 */ | |
| 455 cr.defineProperty(PrefRange, 'controlledBy', cr.PropertyKind.ATTR); | |
| 456 | |
| 457 /** | |
| 458 * The user metric string. | |
| 459 * @type {string} | |
| 460 */ | |
| 461 cr.defineProperty(PrefRange, 'metric', cr.PropertyKind.ATTR); | |
| 462 | |
| 463 ///////////////////////////////////////////////////////////////////////////// | |
| 464 // PrefSelect class: | |
| 465 | |
| 466 // Define a constructor that uses a select element as its underlying element. | |
| 467 var PrefSelect = cr.ui.define('select'); | |
| 468 | |
| 469 PrefSelect.prototype = { | |
| 470 // Set up the prototype chain | |
| 471 __proto__: HTMLSelectElement.prototype, | |
| 472 | |
| 473 /** | |
| 474 * Initialization function for the cr.ui framework. | |
| 475 */ | |
| 476 decorate: function() { | |
| 477 var self = this; | |
| 478 | |
| 479 // Listen to pref changes. | |
| 480 Preferences.getInstance().addEventListener(this.pref, | |
| 481 function(event) { | |
| 482 var value = event.value && event.value['value'] != undefined ? | |
| 483 event.value['value'] : event.value; | |
| 484 | |
| 485 // Make sure |value| is a string, because the value is stored as a | |
| 486 // string in the HTMLOptionElement. | |
| 487 value = value.toString(); | |
| 488 | |
| 489 updateElementState_(self, event); | |
| 490 | |
| 491 var found = false; | |
| 492 for (var i = 0; i < self.options.length; i++) { | |
| 493 if (self.options[i].value == value) { | |
| 494 self.selectedIndex = i; | |
| 495 found = true; | |
| 496 } | |
| 497 } | |
| 498 | |
| 499 // Item not found, select first item. | |
| 500 if (!found) | |
| 501 self.selectedIndex = 0; | |
| 502 | |
| 503 if (self.onchange != undefined) | |
| 504 self.onchange(event); | |
| 505 }); | |
| 506 | |
| 507 // Listen to user events. | |
| 508 this.addEventListener('change', | |
| 509 function(e) { | |
| 510 if (!self.dataType) { | |
| 511 console.error('undefined data type for <select> pref'); | |
| 512 return; | |
| 513 } | |
| 514 | |
| 515 switch(self.dataType) { | |
| 516 case 'number': | |
| 517 Preferences.setIntegerPref(self.pref, | |
| 518 self.options[self.selectedIndex].value, self.metric); | |
| 519 break; | |
| 520 case 'double': | |
| 521 Preferences.setDoublePref(self.pref, | |
| 522 self.options[self.selectedIndex].value, self.metric); | |
| 523 break; | |
| 524 case 'boolean': | |
| 525 var option = self.options[self.selectedIndex]; | |
| 526 var value = (option.value == 'true') ? true : false; | |
| 527 Preferences.setBooleanPref(self.pref, value, self.metric); | |
| 528 break; | |
| 529 case 'string': | |
| 530 Preferences.setStringPref(self.pref, | |
| 531 self.options[self.selectedIndex].value, self.metric); | |
| 532 break; | |
| 533 default: | |
| 534 console.error('unknown data type for <select> pref: ' + | |
| 535 self.dataType); | |
| 536 } | |
| 537 }); | |
| 538 }, | |
| 539 | |
| 540 /** | |
| 541 * See |updateDisabledState_| above. | |
| 542 */ | |
| 543 setDisabled: function(reason, disabled) { | |
| 544 updateDisabledState_(this, reason, disabled); | |
| 545 }, | |
| 546 }; | |
| 547 | |
| 548 /** | |
| 549 * The preference name. | |
| 550 * @type {string} | |
| 551 */ | |
| 552 cr.defineProperty(PrefSelect, 'pref', cr.PropertyKind.ATTR); | |
| 553 | |
| 554 /** | |
| 555 * Whether the preference is controlled by something else than the user's | |
| 556 * settings (either 'policy' or 'extension'). | |
| 557 * @type {string} | |
| 558 */ | |
| 559 cr.defineProperty(PrefSelect, 'controlledBy', cr.PropertyKind.ATTR); | |
| 560 | |
| 561 /** | |
| 562 * The user metric string. | |
| 563 * @type {string} | |
| 564 */ | |
| 565 cr.defineProperty(PrefSelect, 'metric', cr.PropertyKind.ATTR); | |
| 566 | |
| 567 /** | |
| 568 * The data type for the preference options. | |
| 569 * @type {string} | |
| 570 */ | |
| 571 cr.defineProperty(PrefSelect, 'dataType', cr.PropertyKind.ATTR); | |
| 572 | |
| 573 ///////////////////////////////////////////////////////////////////////////// | |
| 574 // PrefTextField class: | |
| 575 | |
| 576 // Define a constructor that uses an input element as its underlying element. | |
| 577 var PrefTextField = cr.ui.define('input'); | |
| 578 | |
| 579 PrefTextField.prototype = { | |
| 580 // Set up the prototype chain | |
| 581 __proto__: HTMLInputElement.prototype, | |
| 582 | |
| 583 /** | |
| 584 * Initialization function for the cr.ui framework. | |
| 585 */ | |
| 586 decorate: function() { | |
| 587 var self = this; | |
| 588 | |
| 589 // Listen to pref changes. | |
| 590 Preferences.getInstance().addEventListener(this.pref, | |
| 591 function(event) { | |
| 592 self.value = event.value && event.value['value'] != undefined ? | |
| 593 event.value['value'] : event.value; | |
| 594 | |
| 595 updateElementState_(self, event); | |
| 596 }); | |
| 597 | |
| 598 // Listen to user events. | |
| 599 this.addEventListener('change', | |
| 600 function(e) { | |
| 601 switch(self.dataType) { | |
| 602 case 'number': | |
| 603 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 604 break; | |
| 605 case 'double': | |
| 606 Preferences.setDoublePref(self.pref, self.value, self.metric); | |
| 607 break; | |
| 608 case 'url': | |
| 609 Preferences.setURLPref(self.pref, self.value, self.metric); | |
| 610 break; | |
| 611 default: | |
| 612 Preferences.setStringPref(self.pref, self.value, self.metric); | |
| 613 break; | |
| 614 } | |
| 615 }); | |
| 616 | |
| 617 window.addEventListener('unload', | |
| 618 function() { | |
| 619 if (document.activeElement == self) | |
| 620 self.blur(); | |
| 621 }); | |
| 622 }, | |
| 623 | |
| 624 /** | |
| 625 * See |updateDisabledState_| above. | |
| 626 */ | |
| 627 setDisabled: function(reason, disabled) { | |
| 628 updateDisabledState_(this, reason, disabled); | |
| 629 }, | |
| 630 }; | |
| 631 | |
| 632 /** | |
| 633 * The preference name. | |
| 634 * @type {string} | |
| 635 */ | |
| 636 cr.defineProperty(PrefTextField, 'pref', cr.PropertyKind.ATTR); | |
| 637 | |
| 638 /** | |
| 639 * Whether the preference is controlled by something else than the user's | |
| 640 * settings (either 'policy' or 'extension'). | |
| 641 * @type {string} | |
| 642 */ | |
| 643 cr.defineProperty(PrefTextField, 'controlledBy', cr.PropertyKind.ATTR); | |
| 644 | |
| 645 /** | |
| 646 * The user metric string. | |
| 647 * @type {string} | |
| 648 */ | |
| 649 cr.defineProperty(PrefTextField, 'metric', cr.PropertyKind.ATTR); | |
| 650 | |
| 651 /** | |
| 652 * The data type for the preference options. | |
| 653 * @type {string} | |
| 654 */ | |
| 655 cr.defineProperty(PrefTextField, 'dataType', cr.PropertyKind.ATTR); | |
| 656 | |
| 657 ///////////////////////////////////////////////////////////////////////////// | |
| 658 // PrefButton class: | |
| 659 | |
| 660 // Define a constructor that uses a button element as its underlying element. | |
| 661 var PrefButton = cr.ui.define('button'); | |
| 662 | |
| 663 PrefButton.prototype = { | |
| 664 // Set up the prototype chain | |
| 665 __proto__: HTMLButtonElement.prototype, | |
| 666 | |
| 667 /** | |
| 668 * Initialization function for the cr.ui framework. | |
| 669 */ | |
| 670 decorate: function() { | |
| 671 var self = this; | |
| 672 | |
| 673 // Listen to pref changes. This element behaves like a normal button and | |
| 674 // doesn't affect the underlying preference; it just becomes disabled | |
| 675 // when the preference is managed, and its value is false. | |
| 676 // This is useful for buttons that should be disabled when the underlying | |
| 677 // boolean preference is set to false by a policy or extension. | |
| 678 Preferences.getInstance().addEventListener(this.pref, | |
| 679 function(event) { | |
| 680 var e = { | |
| 681 value: { | |
| 682 'disabled': event.value['disabled'] && !event.value['value'], | |
| 683 'controlledBy': event.value['controlledBy'] | |
| 684 } | |
| 685 }; | |
| 686 updateElementState_(self, e); | |
| 687 }); | |
| 688 }, | |
| 689 | |
| 690 /** | |
| 691 * See |updateDisabledState_| above. | |
| 692 */ | |
| 693 setDisabled: function(reason, disabled) { | |
| 694 updateDisabledState_(this, reason, disabled); | |
| 695 }, | |
| 696 }; | |
| 697 | |
| 698 /** | |
| 699 * The preference name. | |
| 700 * @type {string} | |
| 701 */ | |
| 702 cr.defineProperty(PrefButton, 'pref', cr.PropertyKind.ATTR); | |
| 703 | |
| 704 /** | |
| 705 * Whether the preference is controlled by something else than the user's | |
| 706 * settings (either 'policy' or 'extension'). | |
| 707 * @type {string} | |
| 708 */ | |
| 709 cr.defineProperty(PrefButton, 'controlledBy', cr.PropertyKind.ATTR); | |
| 710 | |
| 711 // Export | |
| 712 return { | |
| 713 PrefCheckbox: PrefCheckbox, | |
| 714 PrefNumber: PrefNumber, | |
| 715 PrefNumeric: PrefNumeric, | |
| 716 PrefRadio: PrefRadio, | |
| 717 PrefRange: PrefRange, | |
| 718 PrefSelect: PrefSelect, | |
| 719 PrefTextField: PrefTextField, | |
| 720 PrefButton: PrefButton | |
| 721 }; | |
| 722 | |
| 723 }); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8937011:
Revert "Options2: Pull the trigger." (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src