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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 * Helper function update element's state from pref change event. | |
| 11 * @private | |
| 12 * @param {!HTMLElement} el The element to update. | |
| 13 * @param {!Event} event The pref change event. | |
| 14 */ | |
| 15 function updateElementState_(el, event) { | |
| 16 el.managed = event.value && event.value['managed'] != undefined ? | |
| 17 event.value['managed'] : false; | |
| 18 | |
| 19 // Managed UI elements can only be disabled as a result of being | |
| 20 // managed. They cannot be enabled as a result of a pref being | |
| 21 // unmanaged. | |
| 22 if (el.managed) | |
| 23 el.disabled = true; | |
| 24 | |
| 25 // Disable UI elements if backend says so. | |
| 26 if (!el.disabled && event.value && event.value['disabled']) | |
| 27 el.disabled = true; | |
| 28 } | |
| 29 | |
| 30 ///////////////////////////////////////////////////////////////////////////// | |
| 31 // PrefCheckbox class: | |
| 32 // TODO(jhawkins): Refactor all this copy-pasted code! | |
| 33 | |
| 34 // Define a constructor that uses an input element as its underlying element. | |
| 35 var PrefCheckbox = cr.ui.define('input'); | |
| 36 | |
| 37 PrefCheckbox.prototype = { | |
| 38 // Set up the prototype chain | |
| 39 __proto__: HTMLInputElement.prototype, | |
| 40 | |
| 41 /** | |
| 42 * Initialization function for the cr.ui framework. | |
| 43 */ | |
| 44 decorate: function() { | |
| 45 this.type = 'checkbox'; | |
| 46 var self = this; | |
| 47 | |
| 48 self.initializeValueType(self.getAttribute('value-type')); | |
| 49 | |
| 50 // Listen to pref changes. | |
| 51 Preferences.getInstance().addEventListener( | |
| 52 this.pref, | |
| 53 function(event) { | |
| 54 var value = event.value && event.value['value'] != undefined ? | |
| 55 event.value['value'] : event.value; | |
| 56 | |
| 57 // Invert pref value if inverted_pref == true. | |
| 58 if (self.inverted_pref) | |
| 59 self.checked = !Boolean(value); | |
| 60 else | |
| 61 self.checked = Boolean(value); | |
| 62 | |
| 63 updateElementState_(self, event); | |
| 64 }); | |
| 65 | |
| 66 // Listen to user events. | |
| 67 this.addEventListener( | |
| 68 'change', | |
| 69 function(e) { | |
| 70 var value = self.inverted_pref ? !self.checked : self.checked; | |
| 71 switch(self.valueType) { | |
| 72 case 'number': | |
| 73 Preferences.setIntegerPref(self.pref, | |
| 74 Number(value), self.metric); | |
| 75 break; | |
| 76 case 'boolean': | |
| 77 Preferences.setBooleanPref(self.pref, | |
| 78 value, self.metric); | |
| 79 break; | |
| 80 } | |
| 81 }); | |
| 82 }, | |
| 83 | |
| 84 /** | |
| 85 * Sets up options in checkbox element. | |
| 86 * @param {String} valueType The preference type for this checkbox. | |
| 87 */ | |
| 88 initializeValueType: function(valueType) { | |
| 89 this.valueType = valueType || 'boolean'; | |
| 90 }, | |
| 91 }; | |
| 92 | |
| 93 /** | |
| 94 * The preference name. | |
| 95 * @type {string} | |
| 96 */ | |
| 97 cr.defineProperty(PrefCheckbox, 'pref', cr.PropertyKind.ATTR); | |
| 98 | |
| 99 /** | |
| 100 * The user metric string. | |
| 101 * @type {string} | |
| 102 */ | |
| 103 cr.defineProperty(PrefCheckbox, 'metric', cr.PropertyKind.ATTR); | |
| 104 | |
| 105 /** | |
| 106 * Whether to use inverted pref value. | |
| 107 * @type {boolean} | |
| 108 */ | |
| 109 cr.defineProperty(PrefCheckbox, 'inverted_pref', cr.PropertyKind.BOOL_ATTR); | |
| 110 | |
| 111 ///////////////////////////////////////////////////////////////////////////// | |
| 112 // PrefRadio class: | |
| 113 | |
| 114 //Define a constructor that uses an input element as its underlying element. | |
| 115 var PrefRadio = cr.ui.define('input'); | |
| 116 | |
| 117 PrefRadio.prototype = { | |
| 118 // Set up the prototype chain | |
| 119 __proto__: HTMLInputElement.prototype, | |
| 120 | |
| 121 /** | |
| 122 * Initialization function for the cr.ui framework. | |
| 123 */ | |
| 124 decorate: function() { | |
| 125 this.type = 'radio'; | |
| 126 var self = this; | |
| 127 | |
| 128 // Listen to pref changes. | |
| 129 Preferences.getInstance().addEventListener(this.pref, | |
| 130 function(event) { | |
| 131 var value = event.value && event.value['value'] != undefined ? | |
| 132 event.value['value'] : event.value; | |
| 133 self.checked = String(value) == self.value; | |
| 134 | |
| 135 updateElementState_(self, event); | |
| 136 }); | |
| 137 | |
| 138 // Listen to user events. | |
| 139 // Use the 'click' event instead of 'change', because of a bug in WebKit | |
| 140 // which prevents 'change' from being sent when the user changes selection | |
| 141 // using the keyboard. | |
| 142 // https://bugs.webkit.org/show_bug.cgi?id=32013 | |
| 143 this.addEventListener('click', | |
| 144 function(e) { | |
| 145 if(self.value == 'true' || self.value == 'false') { | |
| 146 Preferences.setBooleanPref(self.pref, | |
| 147 self.value == 'true', self.metric); | |
| 148 } else { | |
| 149 Preferences.setIntegerPref(self.pref, | |
| 150 parseInt(self.value, 10), self.metric); | |
| 151 } | |
| 152 }); | |
| 153 }, | |
| 154 }; | |
| 155 | |
| 156 /** | |
| 157 * The preference name. | |
| 158 * @type {string} | |
| 159 */ | |
| 160 cr.defineProperty(PrefRadio, 'pref', cr.PropertyKind.ATTR); | |
| 161 | |
| 162 /** | |
| 163 * The user metric string. | |
| 164 * @type {string} | |
| 165 */ | |
| 166 cr.defineProperty(PrefRadio, 'metric', cr.PropertyKind.ATTR); | |
| 167 | |
| 168 ///////////////////////////////////////////////////////////////////////////// | |
| 169 // PrefNumeric class: | |
| 170 | |
| 171 // Define a constructor that uses an input element as its underlying element. | |
| 172 var PrefNumeric = function() {}; | |
| 173 PrefNumeric.prototype = { | |
| 174 // Set up the prototype chain | |
| 175 __proto__: HTMLInputElement.prototype, | |
| 176 | |
| 177 /** | |
| 178 * Initialization function for the cr.ui framework. | |
| 179 */ | |
| 180 decorate: function() { | |
| 181 var self = this; | |
| 182 | |
| 183 // Listen to pref changes. | |
| 184 Preferences.getInstance().addEventListener(this.pref, | |
| 185 function(event) { | |
| 186 self.value = event.value && event.value['value'] != undefined ? | |
| 187 event.value['value'] : event.value; | |
| 188 | |
| 189 updateElementState_(self, event); | |
| 190 }); | |
| 191 | |
| 192 // Listen to user events. | |
| 193 this.addEventListener('change', | |
| 194 function(e) { | |
| 195 if (this.validity.valid) { | |
| 196 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 197 } | |
| 198 }); | |
| 199 } | |
| 200 }; | |
| 201 | |
| 202 /** | |
| 203 * The preference name. | |
| 204 * @type {string} | |
| 205 */ | |
| 206 cr.defineProperty(PrefNumeric, 'pref', cr.PropertyKind.ATTR); | |
| 207 | |
| 208 /** | |
| 209 * The user metric string. | |
| 210 * @type {string} | |
| 211 */ | |
| 212 cr.defineProperty(PrefNumeric, 'metric', cr.PropertyKind.ATTR); | |
| 213 | |
| 214 ///////////////////////////////////////////////////////////////////////////// | |
| 215 // PrefNumber class: | |
| 216 | |
| 217 // Define a constructor that uses an input element as its underlying element. | |
| 218 var PrefNumber = cr.ui.define('input'); | |
| 219 | |
| 220 PrefNumber.prototype = { | |
| 221 // Set up the prototype chain | |
| 222 __proto__: PrefNumeric.prototype, | |
| 223 | |
| 224 /** | |
| 225 * Initialization function for the cr.ui framework. | |
| 226 */ | |
| 227 decorate: function() { | |
| 228 this.type = 'number'; | |
| 229 PrefNumeric.prototype.decorate.call(this); | |
| 230 | |
| 231 // Listen to user events. | |
| 232 this.addEventListener('input', | |
| 233 function(e) { | |
| 234 if (this.validity.valid) { | |
| 235 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 236 } | |
| 237 }); | |
| 238 } | |
| 239 }; | |
| 240 | |
| 241 ///////////////////////////////////////////////////////////////////////////// | |
| 242 // PrefRange class: | |
| 243 | |
| 244 // Define a constructor that uses an input element as its underlying element. | |
| 245 var PrefRange = cr.ui.define('input'); | |
| 246 | |
| 247 PrefRange.prototype = { | |
| 248 // Set up the prototype chain | |
| 249 __proto__: HTMLInputElement.prototype, | |
| 250 | |
| 251 /** | |
| 252 * The map from input range value to the corresponding preference value. | |
| 253 */ | |
| 254 valueMap: undefined, | |
| 255 | |
| 256 /** | |
| 257 * If true, the associated pref will be modified on each onchange event; | |
| 258 * otherwise, the pref will only be modified on the onmouseup event after | |
| 259 * the drag. | |
| 260 */ | |
| 261 continuous: true, | |
| 262 | |
| 263 /** | |
| 264 * Initialization function for the cr.ui framework. | |
| 265 */ | |
| 266 decorate: function() { | |
| 267 this.type = 'range'; | |
| 268 | |
| 269 // Update the UI when the pref changes. | |
| 270 Preferences.getInstance().addEventListener( | |
| 271 this.pref, this.onPrefChange_.bind(this)); | |
| 272 | |
| 273 // Listen to user events. | |
| 274 // TODO(jhawkins): Add onmousewheel handling once the associated WK bug is | |
| 275 // fixed. | |
| 276 // https://bugs.webkit.org/show_bug.cgi?id=52256 | |
| 277 this.onchange = this.onChange_.bind(this); | |
| 278 this.onkeyup = this.onmouseup = this.onInputUp_.bind(this); | |
| 279 }, | |
| 280 | |
| 281 /** | |
| 282 * Event listener that updates the UI when the underlying pref changes. | |
| 283 * @param {Event} event The event that details the pref change. | |
| 284 * @private | |
| 285 */ | |
| 286 onPrefChange_: function(event) { | |
| 287 var value = event.value && event.value['value'] != undefined ? | |
| 288 event.value['value'] : event.value; | |
| 289 if (value != undefined) | |
| 290 this.value = this.valueMap ? this.valueMap.indexOf(value) : value; | |
| 291 }, | |
| 292 | |
| 293 /** | |
| 294 * onchange handler that sets the pref when the user changes the value of | |
| 295 * the input element. | |
| 296 * @private | |
| 297 */ | |
| 298 onChange_: function(event) { | |
| 299 if (this.continuous) | |
| 300 this.setRangePref_(); | |
| 301 | |
| 302 if (this.notifyChange) | |
| 303 this.notifyChange(this, this.mapValueToRange_(this.value)); | |
| 304 }, | |
| 305 | |
| 306 /** | |
| 307 * Sets the integer value of |pref| to the value of this element. | |
| 308 * @private | |
| 309 */ | |
| 310 setRangePref_: function() { | |
| 311 Preferences.setIntegerPref( | |
| 312 this.pref, this.mapValueToRange_(this.value), this.metric); | |
| 313 | |
| 314 if (this.notifyPrefChange) | |
| 315 this.notifyPrefChange(this, this.mapValueToRange_(this.value)); | |
| 316 }, | |
| 317 | |
| 318 /** | |
| 319 * onkeyup/onmouseup handler that modifies the pref if |continuous| is | |
| 320 * false. | |
| 321 * @private | |
| 322 */ | |
| 323 onInputUp_: function(event) { | |
| 324 if (!this.continuous) | |
| 325 this.setRangePref_(); | |
| 326 }, | |
| 327 | |
| 328 /** | |
| 329 * Maps the value of this element into the range provided by the client, | |
| 330 * represented by |valueMap|. | |
| 331 * @param {number} value The value to map. | |
| 332 * @private | |
| 333 */ | |
| 334 mapValueToRange_: function(value) { | |
| 335 return this.valueMap ? this.valueMap[value] : value; | |
| 336 }, | |
| 337 | |
| 338 /** | |
| 339 * Called when the client has specified non-continuous mode and the value of | |
| 340 * the range control changes. | |
| 341 * @param {Element} el This element. | |
| 342 * @param {number} value The value of this element. | |
| 343 */ | |
| 344 notifyChange: function(el, value) { | |
| 345 }, | |
| 346 }; | |
| 347 | |
| 348 /** | |
| 349 * The preference name. | |
| 350 * @type {string} | |
| 351 */ | |
| 352 cr.defineProperty(PrefRange, 'pref', cr.PropertyKind.ATTR); | |
| 353 | |
| 354 /** | |
| 355 * The user metric string. | |
| 356 * @type {string} | |
| 357 */ | |
| 358 cr.defineProperty(PrefRange, 'metric', cr.PropertyKind.ATTR); | |
| 359 | |
| 360 ///////////////////////////////////////////////////////////////////////////// | |
| 361 // PrefSelect class: | |
| 362 | |
| 363 // Define a constructor that uses a select element as its underlying element. | |
| 364 var PrefSelect = cr.ui.define('select'); | |
| 365 | |
| 366 PrefSelect.prototype = { | |
| 367 // Set up the prototype chain | |
| 368 __proto__: HTMLSelectElement.prototype, | |
| 369 | |
| 370 /** | |
| 371 * Initialization function for the cr.ui framework. | |
| 372 */ | |
| 373 decorate: function() { | |
| 374 var self = this; | |
| 375 | |
| 376 // Listen to pref changes. | |
| 377 Preferences.getInstance().addEventListener(this.pref, | |
| 378 function(event) { | |
| 379 var value = event.value && event.value['value'] != undefined ? | |
| 380 event.value['value'] : event.value; | |
| 381 | |
| 382 // Make sure |value| is a string, because the value is stored as a | |
| 383 // string in the HTMLOptionElement. | |
| 384 value = value.toString(); | |
| 385 | |
| 386 updateElementState_(self, event); | |
| 387 | |
| 388 var found = false; | |
| 389 for (var i = 0; i < self.options.length; i++) { | |
| 390 if (self.options[i].value == value) { | |
| 391 self.selectedIndex = i; | |
| 392 found = true; | |
| 393 } | |
| 394 } | |
| 395 | |
| 396 // Item not found, select first item. | |
| 397 if (!found) | |
| 398 self.selectedIndex = 0; | |
| 399 | |
| 400 if (self.onchange != undefined) | |
| 401 self.onchange(event); | |
| 402 }); | |
| 403 | |
| 404 // Listen to user events. | |
| 405 this.addEventListener('change', | |
| 406 function(e) { | |
| 407 if (!self.dataType) { | |
| 408 console.error('undefined data type for <select> pref'); | |
| 409 return; | |
| 410 } | |
| 411 | |
| 412 switch(self.dataType) { | |
| 413 case 'number': | |
| 414 Preferences.setIntegerPref(self.pref, | |
| 415 self.options[self.selectedIndex].value, self.metric); | |
| 416 break; | |
| 417 case 'double': | |
| 418 Preferences.setDoublePref(self.pref, | |
| 419 self.options[self.selectedIndex].value, self.metric); | |
| 420 break; | |
| 421 case 'boolean': | |
| 422 var option = self.options[self.selectedIndex]; | |
| 423 var value = (option.value == 'true') ? true : false; | |
| 424 Preferences.setBooleanPref(self.pref, value, self.metric); | |
| 425 break; | |
| 426 case 'string': | |
| 427 Preferences.setStringPref(self.pref, | |
| 428 self.options[self.selectedIndex].value, self.metric); | |
| 429 break; | |
| 430 default: | |
| 431 console.error('unknown data type for <select> pref: ' + | |
| 432 self.dataType); | |
| 433 } | |
| 434 }); | |
| 435 }, | |
| 436 }; | |
| 437 | |
| 438 /** | |
| 439 * The preference name. | |
| 440 * @type {string} | |
| 441 */ | |
| 442 cr.defineProperty(PrefSelect, 'pref', cr.PropertyKind.ATTR); | |
| 443 | |
| 444 /** | |
| 445 * The user metric string. | |
| 446 * @type {string} | |
| 447 */ | |
| 448 cr.defineProperty(PrefSelect, 'metric', cr.PropertyKind.ATTR); | |
| 449 | |
| 450 /** | |
| 451 * The data type for the preference options. | |
| 452 * @type {string} | |
| 453 */ | |
| 454 cr.defineProperty(PrefSelect, 'dataType', cr.PropertyKind.ATTR); | |
| 455 | |
| 456 ///////////////////////////////////////////////////////////////////////////// | |
| 457 // PrefTextField class: | |
| 458 | |
| 459 // Define a constructor that uses an input element as its underlying element. | |
| 460 var PrefTextField = cr.ui.define('input'); | |
| 461 | |
| 462 PrefTextField.prototype = { | |
| 463 // Set up the prototype chain | |
| 464 __proto__: HTMLInputElement.prototype, | |
| 465 | |
| 466 /** | |
| 467 * Initialization function for the cr.ui framework. | |
| 468 */ | |
| 469 decorate: function() { | |
| 470 var self = this; | |
| 471 | |
| 472 // Listen to pref changes. | |
| 473 Preferences.getInstance().addEventListener(this.pref, | |
| 474 function(event) { | |
| 475 self.value = event.value && event.value['value'] != undefined ? | |
| 476 event.value['value'] : event.value; | |
| 477 | |
| 478 updateElementState_(self, event); | |
| 479 }); | |
| 480 | |
| 481 // Listen to user events. | |
| 482 this.addEventListener('change', | |
| 483 function(e) { | |
| 484 switch(self.dataType) { | |
| 485 case 'number': | |
| 486 Preferences.setIntegerPref(self.pref, self.value, self.metric); | |
| 487 break; | |
| 488 case 'double': | |
| 489 Preferences.setDoublePref(self.pref, self.value, self.metric); | |
| 490 break; | |
| 491 default: | |
| 492 Preferences.setStringPref(self.pref, self.value, self.metric); | |
| 493 break; | |
| 494 } | |
| 495 }); | |
| 496 | |
| 497 window.addEventListener('unload', | |
| 498 function() { | |
| 499 if (document.activeElement == self) | |
| 500 self.blur(); | |
| 501 }); | |
| 502 } | |
| 503 }; | |
| 504 | |
| 505 /** | |
| 506 * The preference name. | |
| 507 * @type {string} | |
| 508 */ | |
| 509 cr.defineProperty(PrefTextField, 'pref', cr.PropertyKind.ATTR); | |
| 510 | |
| 511 /** | |
| 512 * The user metric string. | |
| 513 * @type {string} | |
| 514 */ | |
| 515 cr.defineProperty(PrefTextField, 'metric', cr.PropertyKind.ATTR); | |
| 516 | |
| 517 /** | |
| 518 * The data type for the preference options. | |
| 519 * @type {string} | |
| 520 */ | |
| 521 cr.defineProperty(PrefTextField, 'dataType', cr.PropertyKind.ATTR); | |
| 522 | |
| 523 // Export | |
| 524 return { | |
| 525 PrefCheckbox: PrefCheckbox, | |
| 526 PrefNumber: PrefNumber, | |
| 527 PrefNumeric: PrefNumeric, | |
| 528 PrefRadio: PrefRadio, | |
| 529 PrefRange: PrefRange, | |
| 530 PrefSelect: PrefSelect, | |
| 531 PrefTextField: PrefTextField | |
| 532 }; | |
| 533 | |
| 534 }); | |
| OLD | NEW |
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Chromium Code Reviews
Issue 7003007:
Apply content-security-policy to the HTML options page. This is a (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/