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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 // TODO(jhawkins): Add dialog-pref support to all preference controls. | |
| 6 | |
| 7 cr.define('options', function() { | |
| 8 | |
| 9 var Preferences = options.Preferences; | |
| 10 | |
| 11 /** | |
| 12 * Allows an element to be disabled for several reasons. | |
| 13 * The element is disabled if at least one reason is true, and the reasons | |
| 14 * can be set separately. | |
| 15 * @private | |
| 16 * @param {!HTMLElement} el The element to update. | |
| 17 * @param {string} reason The reason for disabling the element. | |
| 18 * @param {boolean} disabled Whether the element should be disabled or enabled | |
| 19 * for the given |reason|. | |
| 20 */ | |
| 21 function updateDisabledState_(el, reason, disabled) { | |
| 22 if (!el.disabledReasons) | |
| 23 el.disabledReasons = {}; | |
| 24 if (el.disabled && (Object.keys(el.disabledReasons).length == 0)) { | |
| 25 // The element has been previously disabled without a reason, so we add | |
| 26 // one to keep it disabled. | |
| 27 el.disabledReasons['other'] = true; | |
| 28 } | |
| 29 if (!el.disabled) { | |
| 30 // If the element is not disabled, there should be no reason, except for | |
| 31 // 'other'. | |
| 32 delete el.disabledReasons['other']; | |
| 33 if (Object.keys(el.disabledReasons).length > 0) | |
| 34 console.error('Element is not disabled but should be'); | |
| 35 } | |
| 36 if (disabled) { | |
| 37 el.disabledReasons[reason] = true; | |
| 38 } else { | |
| 39 delete el.disabledReasons[reason]; | |
| 40 } | |
| 41 el.disabled = Object.keys(el.disabledReasons).length > 0; | |
| 42 } | |
| 43 | |
| 44 /** | |
| 45 * Helper function to update element's state from pref change event. | |
| 46 * @private | |
| 47 * @param {!HTMLElement} el The element to update. | |
| 48 * @param {!Event} event The pref change event. | |
| 49 */ | |
| 50 function updateElementState_(el, event) { | |
| 51 el.controlledBy = null; | |
| 52 | |
| 53 if (!event.value) | |
| 54 return; | |
| 55 | |
| 56 updateDisabledState_(el, 'notUserModifiable', event.value.disabled); | |
| 57 | |
| 58 el.controlledBy = event.value.controlledBy; | |
| 59 | |
| 60 OptionsPage.updateManagedBannerVisibility(); | |
| 61 } | |
| 62 | |
| 63 ///////////////////////////////////////////////////////////////////////////// | |
| 64 // PrefCheckbox class: | |
| 65 // TODO(jhawkins): Refactor all this copy-pasted code! | |
| 66 | |
| 67 // Define a constructor that uses an input element as its underlying element. | |
| 68 var PrefCheckbox = cr.ui.define('input'); | |
| 69 | |
| 70 PrefCheckbox.prototype = { | |
| 71 // Set up the prototype chain | |
| 72 __proto__: HTMLInputElement.prototype, | |
| 73 | |
| 74 /** | |
| 75 * The stored value of the preference that this checkbox controls. | |
| 76 * @type {boolean} | |
| 77 */ | |
| 78 prefValue_: null, | |
| 79 | |
| 80 /** | |
| 81 * Initialization function for the cr.ui framework. | |
| 82 */ | |
| 83 decorate: function() { | |
| 84 this.type = 'checkbox'; | |
| 85 var self = this; | |
| 86 | |
| 87 self.initializeValueType(self.getAttribute('value-type')); | |
| 88 | |
| 89 // Listen to pref changes. | |
| 90 Preferences.getInstance().addEventListener(this.pref, function(event) { | |
| 91 self.prefValue_ = Boolean(event.value.value); | |
| 92 self.resetPrefState(); | |
| 93 | |
| 94 updateElementState_(self, event); | |
| 95 }); | |
| 96 | |
| 97 // Listen to user events. | |
| 98 this.addEventListener('change', function(e) { | |
| 99 if (self.customChangeHandler(e)) | |
| 100 return; | |
| 101 | |
| 102 if (!this.dialogPref) | |
| 103 this.updatePreferenceValue_(); | |
| 104 }); | |
| 105 }, | |
| 106 | |
| 107 /** | |
| 108 * Update the preference value based on the checkbox state. | |
| 109 * @private | |
| 110 */ | |
| 111 updatePreferenceValue_: function() { | |
| 112 var value = this.inverted_pref ? !this.checked : this.checked; | |
| 113 switch (this.valueType) { | |
| 114 case 'number': | |
| 115 Preferences.setIntegerPref(this.pref, Number(value), this.metric); | |
| 116 break; | |
| 117 case 'boolean': | |
| 118 Preferences.setBooleanPref(this.pref, value, this.metric); | |
| 119 break; | |
| 120 } | |
| 121 }, | |
| 122 | |
| 123 /** | |
| 124 * Called by SettingsDialog to save the preference. | |
| 125 */ | |
| 126 savePrefState: function() { | |
| 127 this.updatePreferenceValue_(); | |
| 128 }, | |
| 129 | |
| 130 /** | |
| 131 * Called by SettingsDialog to reset the UI to match the current preference | |
| 132 * value. | |
| 133 */ | |
| 134 resetPrefState: function() { | |
| 135 this.checked = this.inverted_pref ? !this.prefValue_ : this.prefValue_; | |
| 136 }, | |
| 137 | |
| 138 /** | |
| 139 * Sets up options in checkbox element. | |
| 140 * @param {String} valueType The preference type for this checkbox. | |
| 141 */ | |
| 142 initializeValueType: function(valueType) { | |
| 143 this.valueType = valueType || 'boolean'; | |
| 144 }, | |
| 145 | |
| 146 /** | |
| 147 * See |updateDisabledState_| above. | |
| 148 */ | |
| 149 setDisabled: function(reason, disabled) { | |
| 150 updateDisabledState_(this, reason, disabled); | |
| 151 }, | |
| 152 | |
| 153 /** | |
| 154 * This method is called first while processing an onchange event. If it | |
| 155 * returns false, regular onchange processing continues (setting the | |
| 156 * associated pref, etc). If it returns true, the rest of the onchange is | |
| 157 * not performed. I.e., this works like stopPropagation or cancelBubble. | |
| 158 * @param {Event} event Change event. | |
| 159 */ | |
| 160 customChangeHandler: function(event) { | |
| 161 return false; | |
| 162 }, | |
| 163 }; | |
| 164 | |
| 165 /** | |
| 166 * The preference name. | |
| 167 * @type {string} | |
| 168 */ | |
| 169 cr.defineProperty(PrefCheckbox, 'pref', cr.PropertyKind.ATTR); | |
| 170 | |
| 171 /** | |
| 172 * A special preference type specific to dialogs. These preferences are reset | |
| 173 * when the dialog is shown and are not saved until the user confirms the | |
| 174 * dialog. | |
| 175 * @type {boolean} | |
| 176 */ | |
| 177 cr.defineProperty(PrefCheckbox, 'dialogPref', cr.PropertyKind.BOOL_ATTR); | |
| 178 | |
| 179 /** | |
| 180 * Whether the preference is controlled by something else than the user's | |
| 181 * settings (either 'policy' or 'extension'). | |
| 182 * @type {string} | |
| 183 */ | |
| 184 cr.defineProperty(PrefCheckbox, 'controlledBy', cr.PropertyKind.ATTR); | |
| 185 | |
| 186 /** | |
| 187 * The user metric string. | |
| 188 * @type {string} | |
| 189 */ | |
| 190 cr.defineProperty(PrefCheckbox, 'metric', cr.PropertyKind.ATTR); | |
| 191 | |
| 192 /** | |
| 193 * Whether to use inverted pref value. | |
| 194 * @type {boolean} | |
| 195 */ | |
| 196 cr.defineProperty(PrefCheckbox, 'inverted_pref', cr.PropertyKind.BOOL_ATTR); | |
| 197 | |
| 198 ///////////////////////////////////////////////////////////////////////////// | |
| 199 // PrefRadio class: | |
| 200 | |
| 201 //Define a constructor that uses an input element as its underlying element. | |
| 202 var PrefRadio = cr.ui.define('input'); | |
| 203 | |
| 204 PrefRadio.prototype = { | |
| 205 // Set up the prototype chain | |
| 206 __proto__: HTMLInputElement.prototype, | |
| 207 | |
| 208 // Stores the initialized value of the preference used to reset the input | |
| 209 // in resetPrefState(). | |
| 210 storedValue_: null, | |
| 211 | |
| 212 /** | |
| 213 * Initialization function for the cr.ui framework. | |
| 214 */ | |
| 215 decorate: function() { | |
| 216 this.type = 'radio'; | |
| 217 var self = this; | |
| 218 | |
| 219 // Listen to preference changes. | |
| 220 Preferences.getInstance().addEventListener(this.pref, | |
| 221 function(event) { | |
| 222 if (self.customChangeHandler(event)) | |
| 223 return; | |
| 224 self.checked = String(event.value.value) == self.value; | |
| 225 self.storedValue_ = self.checked; | |
| 226 | |
| 227 updateElementState_(self, event); | |
| 228 }); | |
| 229 | |
| 230 // Dialog preferences are not saved until savePrefState() is explicitly | |
| 231 // called. | |
| 232 if (!this.dialogPref) | |
| 233 this.onchange = this.savePrefState.bind(this); | |
| 234 }, | |
| 235 | |
| 236 /** | |
| 237 * Resets the input to the stored value. | |
| 238 */ | |
| 239 resetPrefState: function() { | |
| 240 this.checked = this.storedValue_; | |
| 241 }, | |
| 242 | |
| 243 /** | |
| 244 * Saves the value of the input back into the preference. May be called | |
| 245 * directly to save dialog preferences. | |
| 246 */ | |
| 247 savePrefState: function() { | |
| 248 this.storedValue_ = this.checked; | |
| 249 if (this.value == 'true' || this.value == 'false') { | |
| 250 var value = String(this.value); | |
| 251 Preferences.setBooleanPref(this.pref, value == String(this.checked), | |
| 252 this.metric); | |
| 253 } else { | |
| 254 Preferences.setIntegerPref(this.pref, parseInt(this.value, 10), | |
| 255 this.metric); | |
| 256 } | |
| 257 }, | |
| 258 | |
| 259 /** | |
| 260 * See |updateDisabledState_| above. | |
| 261 */ | |
| 262 setDisabled: function(reason, disabled) { | |
| 263 updateDisabledState_(this, reason, disabled); | |
| 264 }, | |
| 265 | |
| 266 /** | |
| 267 * This method is called first while processing an onchange event. If it | |
| 268 * returns false, regular onchange processing continues (setting the | |
| 269 * associated pref, etc). If it returns true, the rest of the onchange is | |
| 270 * not performed. I.e., this works like stopPropagation or cancelBubble. | |
| 271 * @param {Event} event Change event. | |
| 272 */ | |
| 273 customChangeHandler: function(event) { | |
| 274 return false; | |
| 275 }, | |
| 276 }; | |
| 277 | |
| 278 /** | |
| 279 * The preference name. | |
| 280 * @type {string} | |
| 281 */ | |
| 282 cr.defineProperty(PrefRadio, 'pref', cr.PropertyKind.ATTR); | |
| 283 | |
| 284 /** | |
| 285 * A special preference type specific to dialogs. These preferences are reset | |
| 286 * when the dialog is shown and are not saved until the user confirms the | |
| 287 * dialog. | |
| 288 * @type {boolean} | |
| 289 */ | |
| 290 cr.defineProperty(PrefRadio, 'dialogPref', cr.PropertyKind.BOOL_ATTR); | |
| 291 | |
| 292 /** | |
| 293 * Whether the preference is controlled by something else than the user's | |
| 294 * settings (either 'policy' or 'extension'). | |
| 295 * @type {string} | |
| 296 */ | |
| 297 cr.defineProperty(PrefRadio, 'controlledBy', cr.PropertyKind.ATTR); | |
| 298 | |
| 299 /** | |
| 300 * The user metric string. | |
| 301 * @type {string} | |
| 302 */ | |
| 303 cr.defineProperty(PrefRadio, 'metric', cr.PropertyKind.ATTR); | |
| 304 | |
| 305 ///////////////////////////////////////////////////////////////////////////// | |
| 306 // PrefNumeric class: | |
| 307 | |
| 308 // Define a constructor that uses an input element as its underlying element. | |
| 309 var PrefNumeric = function() {}; | |
| 310 PrefNumeric.prototype = { | |
| 311 // Set up the prototype chain | |
| 312 __proto__: HTMLInputElement.prototype, | |
| 313 | |
| 314 /** | |
| 315 * Initialization function for the cr.ui framework. | |
| 316 */ | |
| 317 decorate: function() { | |
| 318 var self = this; | |
| 319 | |
| 320 // Listen to pref changes. | |
| 321 Preferences.getInstance().addEventListener(this.pref, | |
| 322 function(event) { | |
| 323 self.value = event.value.value; | |
| 324 | |
| 325 updateElementState_(self, event); | |
| 326 }); | |
| 327 | |
| 328 // Listen to user events. | |
| 329 this.addEventListener('change', | |
| 330 function(e) { | |
| 331 if (this.validity.valid) { | |
| 332 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 333 } | |
| 334 }); | |
| 335 }, | |
| 336 | |
| 337 /** | |
| 338 * See |updateDisabledState_| above. | |
| 339 */ | |
| 340 setDisabled: function(reason, disabled) { | |
| 341 updateDisabledState_(this, reason, disabled); | |
| 342 }, | |
| 343 }; | |
| 344 | |
| 345 /** | |
| 346 * The preference name. | |
| 347 * @type {string} | |
| 348 */ | |
| 349 cr.defineProperty(PrefNumeric, 'pref', cr.PropertyKind.ATTR); | |
| 350 | |
| 351 /** | |
| 352 * Whether the preference is controlled by something else than the user's | |
| 353 * settings (either 'policy' or 'extension'). | |
| 354 * @type {string} | |
| 355 */ | |
| 356 cr.defineProperty(PrefNumeric, 'controlledBy', cr.PropertyKind.ATTR); | |
| 357 | |
| 358 /** | |
| 359 * The user metric string. | |
| 360 * @type {string} | |
| 361 */ | |
| 362 cr.defineProperty(PrefNumeric, 'metric', cr.PropertyKind.ATTR); | |
| 363 | |
| 364 ///////////////////////////////////////////////////////////////////////////// | |
| 365 // PrefNumber class: | |
| 366 | |
| 367 // Define a constructor that uses an input element as its underlying element. | |
| 368 var PrefNumber = cr.ui.define('input'); | |
| 369 | |
| 370 PrefNumber.prototype = { | |
| 371 // Set up the prototype chain | |
| 372 __proto__: PrefNumeric.prototype, | |
| 373 | |
| 374 /** | |
| 375 * Initialization function for the cr.ui framework. | |
| 376 */ | |
| 377 decorate: function() { | |
| 378 this.type = 'number'; | |
| 379 PrefNumeric.prototype.decorate.call(this); | |
| 380 | |
| 381 // Listen to user events. | |
| 382 this.addEventListener('input', | |
| 383 function(e) { | |
| 384 if (this.validity.valid) { | |
| 385 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 386 } | |
| 387 }); | |
| 388 }, | |
| 389 | |
| 390 /** | |
| 391 * See |updateDisabledState_| above. | |
| 392 */ | |
| 393 setDisabled: function(reason, disabled) { | |
| 394 updateDisabledState_(this, reason, disabled); | |
| 395 }, | |
| 396 }; | |
| 397 | |
| 398 ///////////////////////////////////////////////////////////////////////////// | |
| 399 // PrefRange class: | |
| 400 | |
| 401 // Define a constructor that uses an input element as its underlying element. | |
| 402 var PrefRange = cr.ui.define('input'); | |
| 403 | |
| 404 PrefRange.prototype = { | |
| 405 // Set up the prototype chain | |
| 406 __proto__: HTMLInputElement.prototype, | |
| 407 | |
| 408 /** | |
| 409 * The map from input range value to the corresponding preference value. | |
| 410 */ | |
| 411 valueMap: undefined, | |
| 412 | |
| 413 /** | |
| 414 * If true, the associated pref will be modified on each onchange event; | |
| 415 * otherwise, the pref will only be modified on the onmouseup event after | |
| 416 * the drag. | |
| 417 */ | |
| 418 continuous: true, | |
| 419 | |
| 420 /** | |
| 421 * Initialization function for the cr.ui framework. | |
| 422 */ | |
| 423 decorate: function() { | |
| 424 this.type = 'range'; | |
| 425 | |
| 426 // Update the UI when the pref changes. | |
| 427 Preferences.getInstance().addEventListener( | |
| 428 this.pref, this.onPrefChange_.bind(this)); | |
| 429 | |
| 430 // Listen to user events. | |
| 431 // TODO(jhawkins): Add onmousewheel handling once the associated WK bug is | |
| 432 // fixed. | |
| 433 // https://bugs.webkit.org/show_bug.cgi?id=52256 | |
| 434 this.onchange = this.onChange_.bind(this); | |
| 435 this.onkeyup = this.onmouseup = this.onInputUp_.bind(this); | |
| 436 }, | |
| 437 | |
| 438 /** | |
| 439 * Event listener that updates the UI when the underlying pref changes. | |
| 440 * @param {Event} event The event that details the pref change. | |
| 441 * @private | |
| 442 */ | |
| 443 onPrefChange_: function(event) { | |
| 444 var value = event.value.value; | |
| 445 if (value != undefined) | |
| 446 this.value = this.valueMap ? this.valueMap.indexOf(value) : value; | |
| 447 }, | |
| 448 | |
| 449 /** | |
| 450 * onchange handler that sets the pref when the user changes the value of | |
| 451 * the input element. | |
| 452 * @private | |
| 453 */ | |
| 454 onChange_: function(event) { | |
| 455 if (this.continuous) | |
| 456 this.setRangePref_(); | |
| 457 | |
| 458 if (this.notifyChange) | |
| 459 this.notifyChange(this, this.mapValueToRange_(this.value)); | |
| 460 }, | |
| 461 | |
| 462 /** | |
| 463 * Sets the integer value of |pref| to the value of this element. | |
| 464 * @private | |
| 465 */ | |
| 466 setRangePref_: function() { | |
| 467 Preferences.setIntegerPref( | |
| 468 this.pref, this.mapValueToRange_(this.value), this.metric); | |
| 469 | |
| 470 if (this.notifyPrefChange) | |
| 471 this.notifyPrefChange(this, this.mapValueToRange_(this.value)); | |
| 472 }, | |
| 473 | |
| 474 /** | |
| 475 * onkeyup/onmouseup handler that modifies the pref if |continuous| is | |
| 476 * false. | |
| 477 * @private | |
| 478 */ | |
| 479 onInputUp_: function(event) { | |
| 480 if (!this.continuous) | |
| 481 this.setRangePref_(); | |
| 482 }, | |
| 483 | |
| 484 /** | |
| 485 * Maps the value of this element into the range provided by the client, | |
| 486 * represented by |valueMap|. | |
| 487 * @param {number} value The value to map. | |
| 488 * @private | |
| 489 */ | |
| 490 mapValueToRange_: function(value) { | |
| 491 return this.valueMap ? this.valueMap[value] : value; | |
| 492 }, | |
| 493 | |
| 494 /** | |
| 495 * Called when the client has specified non-continuous mode and the value of | |
| 496 * the range control changes. | |
| 497 * @param {Element} el This element. | |
| 498 * @param {number} value The value of this element. | |
| 499 */ | |
| 500 notifyChange: function(el, value) { | |
| 501 }, | |
| 502 | |
| 503 /** | |
| 504 * See |updateDisabledState_| above. | |
| 505 */ | |
| 506 setDisabled: function(reason, disabled) { | |
| 507 updateDisabledState_(this, reason, disabled); | |
| 508 }, | |
| 509 }; | |
| 510 | |
| 511 /** | |
| 512 * The preference name. | |
| 513 * @type {string} | |
| 514 */ | |
| 515 cr.defineProperty(PrefRange, 'pref', cr.PropertyKind.ATTR); | |
| 516 | |
| 517 /** | |
| 518 * Whether the preference is controlled by something else than the user's | |
| 519 * settings (either 'policy' or 'extension'). | |
| 520 * @type {string} | |
| 521 */ | |
| 522 cr.defineProperty(PrefRange, 'controlledBy', cr.PropertyKind.ATTR); | |
| 523 | |
| 524 /** | |
| 525 * The user metric string. | |
| 526 * @type {string} | |
| 527 */ | |
| 528 cr.defineProperty(PrefRange, 'metric', cr.PropertyKind.ATTR); | |
| 529 | |
| 530 ///////////////////////////////////////////////////////////////////////////// | |
| 531 // PrefSelect class: | |
| 532 | |
| 533 // Define a constructor that uses a select element as its underlying element. | |
| 534 var PrefSelect = cr.ui.define('select'); | |
| 535 | |
| 536 PrefSelect.prototype = { | |
| 537 // Set up the prototype chain | |
| 538 __proto__: HTMLSelectElement.prototype, | |
| 539 | |
| 540 /** | |
| 541 * @type {string} The stored value of the preference that this select | |
| 542 * controls. | |
| 543 */ | |
| 544 prefValue_: null, | |
| 545 | |
| 546 /** | |
| 547 * Initialization function for the cr.ui framework. | |
| 548 */ | |
| 549 decorate: function() { | |
| 550 var self = this; | |
| 551 | |
| 552 // Listen to pref changes. | |
| 553 Preferences.getInstance().addEventListener(this.pref, function(event) { | |
| 554 // Make sure |value| is a string, because the value is stored as a | |
| 555 // string in the HTMLOptionElement. | |
| 556 value = event.value.value.toString(); | |
| 557 | |
| 558 updateElementState_(self, event); | |
| 559 self.prefValue_ = value; | |
| 560 self.resetPrefState(); | |
| 561 }); | |
| 562 | |
| 563 // Listen to user events. | |
| 564 this.addEventListener('change', function(event) { | |
| 565 if (!self.dialogPref) | |
| 566 self.updatePreference_(self.prefValue_); | |
| 567 }); | |
| 568 }, | |
| 569 | |
| 570 /** | |
| 571 * Resets the input to the stored value. | |
| 572 */ | |
| 573 resetPrefState: function() { | |
| 574 var found = false; | |
| 575 for (var i = 0; i < this.options.length; i++) { | |
| 576 if (this.options[i].value == this.prefValue_) { | |
| 577 this.selectedIndex = i; | |
| 578 found = true; | |
| 579 } | |
| 580 } | |
| 581 | |
| 582 // Item not found, select first item. | |
| 583 if (!found) | |
| 584 this.selectedIndex = 0; | |
| 585 | |
| 586 if (this.onchange) | |
| 587 this.onchange(event); | |
| 588 }, | |
| 589 | |
| 590 /** | |
| 591 * Updates the preference to the currently selected value. | |
| 592 */ | |
| 593 updatePreference_: function() { | |
| 594 if (!this.dataType) { | |
| 595 console.error('undefined data type for <select> pref'); | |
| 596 return; | |
| 597 } | |
| 598 | |
| 599 var prefValue = this.options[this.selectedIndex].value; | |
| 600 switch (this.dataType) { | |
| 601 case 'number': | |
| 602 Preferences.setIntegerPref(this.pref, prefValue, this.metric); | |
| 603 break; | |
| 604 case 'double': | |
| 605 Preferences.setDoublePref(this.pref, prefValue, this.metric); | |
| 606 break; | |
| 607 case 'boolean': | |
| 608 var value = (prefValue == 'true'); | |
| 609 Preferences.setBooleanPref(this.pref, value, this.metric); | |
| 610 break; | |
| 611 case 'string': | |
| 612 Preferences.setStringPref(this.pref, prefValue, this.metric); | |
| 613 break; | |
| 614 default: | |
| 615 console.error('unknown data type for <select> pref: ' + | |
| 616 this.dataType); | |
| 617 } | |
| 618 }, | |
| 619 | |
| 620 /** | |
| 621 * Called by SettingsDialog to save the stored value to preferences. | |
| 622 */ | |
| 623 savePrefState: function() { | |
| 624 this.updatePreference_(); | |
| 625 }, | |
| 626 | |
| 627 /** | |
| 628 * See |updateDisabledState_| above. | |
| 629 */ | |
| 630 setDisabled: function(reason, disabled) { | |
| 631 updateDisabledState_(this, reason, disabled); | |
| 632 }, | |
| 633 }; | |
| 634 | |
| 635 /** | |
| 636 * The preference name. | |
| 637 * @type {string} | |
| 638 */ | |
| 639 cr.defineProperty(PrefSelect, 'pref', cr.PropertyKind.ATTR); | |
| 640 | |
| 641 /** | |
| 642 * Whether the preference is controlled by something else than the user's | |
| 643 * settings (either 'policy' or 'extension'). | |
| 644 * @type {string} | |
| 645 */ | |
| 646 cr.defineProperty(PrefSelect, 'controlledBy', cr.PropertyKind.ATTR); | |
| 647 | |
| 648 /** | |
| 649 * A special preference type specific to dialogs. These preferences are reset | |
| 650 * when the dialog is shown and are not saved until the user confirms the | |
| 651 * dialog. | |
| 652 * @type {boolean} | |
| 653 */ | |
| 654 cr.defineProperty(PrefSelect, 'dialogPref', cr.PropertyKind.BOOL_ATTR); | |
| 655 | |
| 656 /** | |
| 657 * The user metric string. | |
| 658 * @type {string} | |
| 659 */ | |
| 660 cr.defineProperty(PrefSelect, 'metric', cr.PropertyKind.ATTR); | |
| 661 | |
| 662 /** | |
| 663 * The data type for the preference options. | |
| 664 * @type {string} | |
| 665 */ | |
| 666 cr.defineProperty(PrefSelect, 'dataType', cr.PropertyKind.ATTR); | |
| 667 | |
| 668 ///////////////////////////////////////////////////////////////////////////// | |
| 669 // PrefTextField class: | |
| 670 | |
| 671 // Define a constructor that uses an input element as its underlying element. | |
| 672 var PrefTextField = cr.ui.define('input'); | |
| 673 | |
| 674 PrefTextField.prototype = { | |
| 675 // Set up the prototype chain | |
| 676 __proto__: HTMLInputElement.prototype, | |
| 677 | |
| 678 /** | |
| 679 * @type {string} The stored value of the preference that this text field | |
| 680 * controls. | |
| 681 */ | |
| 682 prefValue_: null, | |
| 683 | |
| 684 /** | |
| 685 * Saves the value of the input back into the preference. May be called | |
| 686 * directly to save dialog preferences. | |
| 687 */ | |
| 688 savePrefState: function() { | |
| 689 switch (this.dataType) { | |
| 690 case 'number': | |
| 691 Preferences.setIntegerPref(this.pref, this.value, this.metric); | |
| 692 break; | |
| 693 case 'double': | |
| 694 Preferences.setDoublePref(this.pref, this.value, this.metric); | |
| 695 break; | |
| 696 case 'url': | |
| 697 Preferences.setURLPref(this.pref, this.value, this.metric); | |
| 698 break; | |
| 699 default: | |
| 700 Preferences.setStringPref(this.pref, this.value, this.metric); | |
| 701 break; | |
| 702 } | |
| 703 }, | |
| 704 | |
| 705 /** | |
| 706 * Resets the input to the stored value. | |
| 707 */ | |
| 708 resetPrefState: function() { | |
| 709 this.value = this.prefValue_; | |
| 710 }, | |
| 711 | |
| 712 /** | |
| 713 * Initialization function for the cr.ui framework. | |
| 714 */ | |
| 715 decorate: function() { | |
| 716 var self = this; | |
| 717 | |
| 718 // Listen to pref changes. | |
| 719 Preferences.getInstance().addEventListener(this.pref, | |
| 720 function(event) { | |
| 721 self.value = event.value.value; | |
| 722 | |
| 723 updateElementState_(self, event); | |
| 724 | |
| 725 self.prefValue_ = self.value; | |
| 726 }); | |
| 727 | |
| 728 // Listen to user events. | |
| 729 if (!this.dialogPref) | |
| 730 this.addEventListener('change', this.savePrefState.bind(this)); | |
| 731 | |
| 732 window.addEventListener('unload', | |
| 733 function() { | |
| 734 if (document.activeElement == self) | |
| 735 self.blur(); | |
| 736 }); | |
| 737 }, | |
| 738 | |
| 739 /** | |
| 740 * See |updateDisabledState_| above. | |
| 741 */ | |
| 742 setDisabled: function(reason, disabled) { | |
| 743 updateDisabledState_(this, reason, disabled); | |
| 744 }, | |
| 745 }; | |
| 746 | |
| 747 /** | |
| 748 * The preference name. | |
| 749 * @type {string} | |
| 750 */ | |
| 751 cr.defineProperty(PrefTextField, 'pref', cr.PropertyKind.ATTR); | |
| 752 | |
| 753 /** | |
| 754 * A special preference type specific to dialogs. These preferences are reset | |
| 755 * when the dialog is shown and are not saved until the user confirms the | |
| 756 * dialog. | |
| 757 * @type {boolean} | |
| 758 */ | |
| 759 cr.defineProperty(PrefTextField, 'dialogPref', cr.PropertyKind.BOOL_ATTR); | |
| 760 | |
| 761 /** | |
| 762 * Whether the preference is controlled by something else than the user's | |
| 763 * settings (either 'policy' or 'extension'). | |
| 764 * @type {string} | |
| 765 */ | |
| 766 cr.defineProperty(PrefTextField, 'controlledBy', cr.PropertyKind.ATTR); | |
| 767 | |
| 768 /** | |
| 769 * The user metric string. | |
| 770 * @type {string} | |
| 771 */ | |
| 772 cr.defineProperty(PrefTextField, 'metric', cr.PropertyKind.ATTR); | |
| 773 | |
| 774 /** | |
| 775 * The data type for the preference options. | |
| 776 * @type {string} | |
| 777 */ | |
| 778 cr.defineProperty(PrefTextField, 'dataType', cr.PropertyKind.ATTR); | |
| 779 | |
| 780 ///////////////////////////////////////////////////////////////////////////// | |
| 781 // PrefButton class: | |
| 782 | |
| 783 // Define a constructor that uses a button element as its underlying element. | |
| 784 var PrefButton = cr.ui.define('button'); | |
| 785 | |
| 786 PrefButton.prototype = { | |
| 787 // Set up the prototype chain | |
| 788 __proto__: HTMLButtonElement.prototype, | |
| 789 | |
| 790 /** | |
| 791 * Initialization function for the cr.ui framework. | |
| 792 */ | |
| 793 decorate: function() { | |
| 794 var self = this; | |
| 795 | |
| 796 // Listen to pref changes. This element behaves like a normal button and | |
| 797 // doesn't affect the underlying preference; it just becomes disabled | |
| 798 // when the preference is managed, and its value is false. | |
| 799 // This is useful for buttons that should be disabled when the underlying | |
| 800 // boolean preference is set to false by a policy or extension. | |
| 801 Preferences.getInstance().addEventListener(this.pref, | |
| 802 function(event) { | |
| 803 var e = { | |
| 804 value: { | |
| 805 'disabled': event.value.disabled && !event.value.value, | |
| 806 'controlledBy': event.value.controlledBy | |
| 807 } | |
| 808 }; | |
| 809 updateElementState_(self, e); | |
| 810 }); | |
| 811 }, | |
| 812 | |
| 813 /** | |
| 814 * See |updateDisabledState_| above. | |
| 815 */ | |
| 816 setDisabled: function(reason, disabled) { | |
| 817 updateDisabledState_(this, reason, disabled); | |
| 818 }, | |
| 819 }; | |
| 820 | |
| 821 /** | |
| 822 * The preference name. | |
| 823 * @type {string} | |
| 824 */ | |
| 825 cr.defineProperty(PrefButton, 'pref', cr.PropertyKind.ATTR); | |
| 826 | |
| 827 /** | |
| 828 * Whether the preference is controlled by something else than the user's | |
| 829 * settings (either 'policy' or 'extension'). | |
| 830 * @type {string} | |
| 831 */ | |
| 832 cr.defineProperty(PrefButton, 'controlledBy', cr.PropertyKind.ATTR); | |
| 833 | |
| 834 // Export | |
| 835 return { | |
| 836 PrefCheckbox: PrefCheckbox, | |
| 837 PrefNumber: PrefNumber, | |
| 838 PrefNumeric: PrefNumeric, | |
| 839 PrefRadio: PrefRadio, | |
| 840 PrefRange: PrefRange, | |
| 841 PrefSelect: PrefSelect, | |
| 842 PrefTextField: PrefTextField, | |
| 843 PrefButton: PrefButton | |
| 844 }; | |
| 845 | |
| 846 }); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10809005:
Options: Rename chrome/browser/resources/options2 -> chrome/browser/resources/options. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src