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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 // TODO(kochi): Generalize the notification as a component and put it | |
| 6 // in js/cr/ui/notification.js . | |
| 7 | |
| 8 cr.define('options', function() { | |
| 9 const OptionsPage = options.OptionsPage; | |
| 10 const LanguageList = options.LanguageList; | |
| 11 | |
| 12 // Some input methods like Chinese Pinyin have config pages. | |
| 13 // This is the map of the input method names to their config page names. | |
| 14 const INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME = { | |
| 15 'mozc': 'languageMozc', | |
| 16 'mozc-chewing': 'languageChewing', | |
| 17 'mozc-dv': 'languageMozc', | |
| 18 'mozc-hangul': 'languageHangul', | |
| 19 'mozc-jp': 'languageMozc', | |
| 20 'pinyin': 'languagePinyin', | |
| 21 'pinyin-dv': 'languagePinyin', | |
| 22 }; | |
| 23 | |
| 24 ///////////////////////////////////////////////////////////////////////////// | |
| 25 // LanguageOptions class: | |
| 26 | |
| 27 /** | |
| 28 * Encapsulated handling of ChromeOS language options page. | |
| 29 * @constructor | |
| 30 */ | |
| 31 function LanguageOptions(model) { | |
| 32 OptionsPage.call(this, 'languages', templateData.languagePageTabTitle, | |
| 33 'languagePage'); | |
| 34 } | |
| 35 | |
| 36 cr.addSingletonGetter(LanguageOptions); | |
| 37 | |
| 38 // Inherit LanguageOptions from OptionsPage. | |
| 39 LanguageOptions.prototype = { | |
| 40 __proto__: OptionsPage.prototype, | |
| 41 | |
| 42 /** | |
| 43 * Initializes LanguageOptions page. | |
| 44 * Calls base class implementation to starts preference initialization. | |
| 45 */ | |
| 46 initializePage: function() { | |
| 47 OptionsPage.prototype.initializePage.call(this); | |
| 48 | |
| 49 var languageOptionsList = $('language-options-list'); | |
| 50 LanguageList.decorate(languageOptionsList); | |
| 51 | |
| 52 languageOptionsList.addEventListener('change', | |
| 53 this.handleLanguageOptionsListChange_.bind(this)); | |
| 54 languageOptionsList.addEventListener('save', | |
| 55 this.handleLanguageOptionsListSave_.bind(this)); | |
| 56 | |
| 57 this.addEventListener('visibleChange', | |
| 58 this.handleVisibleChange_.bind(this)); | |
| 59 | |
| 60 if (cr.isChromeOS) { | |
| 61 this.initializeInputMethodList_(); | |
| 62 this.initializeLanguageCodeToInputMethodIdsMap_(); | |
| 63 } | |
| 64 Preferences.getInstance().addEventListener(this.spellCheckDictionaryPref, | |
| 65 this.handleSpellCheckDictionaryPrefChange_.bind(this)); | |
| 66 | |
| 67 // Set up add button. | |
| 68 $('language-options-add-button').onclick = function(e) { | |
| 69 // Add the language without showing the overlay if it's specified in | |
| 70 // the URL hash (ex. lang_add=ja). Used for automated testing. | |
| 71 var match = document.location.hash.match(/\blang_add=([\w-]+)/); | |
| 72 if (match) { | |
| 73 var addLanguageCode = match[1]; | |
| 74 $('language-options-list').addLanguage(addLanguageCode); | |
| 75 } else { | |
| 76 OptionsPage.navigateToPage('addLanguage'); | |
| 77 } | |
| 78 }; | |
| 79 | |
| 80 if (cr.isChromeOS) { | |
| 81 // Listen to user clicks on the add language list. | |
| 82 var addLanguageList = $('add-language-overlay-language-list'); | |
| 83 addLanguageList.addEventListener('click', | |
| 84 this.handleAddLanguageListClick_.bind(this)); | |
| 85 } else { | |
| 86 // Listen to add language dialog ok button. | |
| 87 var addLanguageOkButton = $('add-language-overlay-ok-button'); | |
| 88 addLanguageOkButton.addEventListener('click', | |
| 89 this.handleAddLanguageOkButtonClick_.bind(this)); | |
| 90 | |
| 91 // Show experimental features if enabled. | |
| 92 if (templateData.experimentalSpellCheckFeatures == 'true') | |
| 93 $('auto-spell-correction-option').hidden = false; | |
| 94 | |
| 95 // Handle spell check enable/disable. | |
| 96 Preferences.getInstance().addEventListener(this.enableSpellCheckPref, | |
| 97 this.updateEnableSpellCheck_.bind(this)); | |
| 98 } | |
| 99 | |
| 100 // Listen to user clicks on the "Change touch keyboard settings..." | |
| 101 // button (if it exists). | |
| 102 var virtualKeyboardButton = $('language-options-virtual-keyboard'); | |
| 103 if (virtualKeyboardButton) { | |
| 104 // TODO(yusukes): would be better to hide the button if no virtual | |
| 105 // keyboard is registered. | |
| 106 virtualKeyboardButton.onclick = function(e) { | |
| 107 OptionsPage.navigateToPage('virtualKeyboards'); | |
| 108 }; | |
| 109 } | |
| 110 }, | |
| 111 | |
| 112 // The preference is a boolean that enables/disables spell checking. | |
| 113 enableSpellCheckPref: 'browser.enable_spellchecking', | |
| 114 // The preference is a CSV string that describes preload engines | |
| 115 // (i.e. active input methods). | |
| 116 preloadEnginesPref: 'settings.language.preload_engines', | |
| 117 // The list of preload engines, like ['mozc', 'pinyin']. | |
| 118 preloadEngines_: [], | |
| 119 // The preference is a string that describes the spell check | |
| 120 // dictionary language, like "en-US". | |
| 121 spellCheckDictionaryPref: 'spellcheck.dictionary', | |
| 122 spellCheckDictionary_: "", | |
| 123 // The map of language code to input method IDs, like: | |
| 124 // {'ja': ['mozc', 'mozc-jp'], 'zh-CN': ['pinyin'], ...} | |
| 125 languageCodeToInputMethodIdsMap_: {}, | |
| 126 | |
| 127 /** | |
| 128 * Initializes the input method list. | |
| 129 */ | |
| 130 initializeInputMethodList_: function() { | |
| 131 var inputMethodList = $('language-options-input-method-list'); | |
| 132 var inputMethodListData = templateData.inputMethodList; | |
| 133 | |
| 134 // Add all input methods, but make all of them invisible here. We'll | |
| 135 // change the visibility in handleLanguageOptionsListChange_() based | |
| 136 // on the selected language. Note that we only have less than 100 | |
| 137 // input methods, so creating DOM nodes at once here should be ok. | |
| 138 for (var i = 0; i < inputMethodListData.length; i++) { | |
| 139 var inputMethod = inputMethodListData[i]; | |
| 140 var input = document.createElement('input'); | |
| 141 input.type = 'checkbox'; | |
| 142 input.inputMethodId = inputMethod.id; | |
| 143 // Listen to user clicks. | |
| 144 input.addEventListener('click', | |
| 145 this.handleCheckboxClick_.bind(this)); | |
| 146 var label = document.createElement('label'); | |
| 147 label.appendChild(input); | |
| 148 // Adding a space between the checkbox and the text. This is a bit | |
| 149 // dirty, but we rely on a space character for all other checkboxes. | |
| 150 label.appendChild(document.createTextNode( | |
| 151 ' ' + inputMethod.displayName)); | |
| 152 label.style.display = 'none'; | |
| 153 label.languageCodeSet = inputMethod.languageCodeSet; | |
| 154 // Add the configure button if the config page is present for this | |
| 155 // input method. | |
| 156 if (inputMethod.id in INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME) { | |
| 157 var pageName = INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME[inputMethod.id]; | |
| 158 var button = this.createConfigureInputMethodButton_(inputMethod.id, | |
| 159 pageName); | |
| 160 label.appendChild(button); | |
| 161 } | |
| 162 | |
| 163 inputMethodList.appendChild(label); | |
| 164 } | |
| 165 // Listen to pref change once the input method list is initialized. | |
| 166 Preferences.getInstance().addEventListener(this.preloadEnginesPref, | |
| 167 this.handlePreloadEnginesPrefChange_.bind(this)); | |
| 168 }, | |
| 169 | |
| 170 /** | |
| 171 * Creates a configure button for the given input method ID. | |
| 172 * @param {string} inputMethodId Input method ID (ex. "pinyin"). | |
| 173 * @param {string} pageName Name of the config page (ex. "languagePinyin"). | |
| 174 * @private | |
| 175 */ | |
| 176 createConfigureInputMethodButton_: function(inputMethodId, pageName) { | |
| 177 var button = document.createElement('button'); | |
| 178 button.textContent = localStrings.getString('configure'); | |
| 179 button.onclick = function(e) { | |
| 180 // Prevent the default action (i.e. changing the checked property | |
| 181 // of the checkbox). The button click here should not be handled | |
| 182 // as checkbox click. | |
| 183 e.preventDefault(); | |
| 184 chrome.send('inputMethodOptionsOpen', [inputMethodId]); | |
| 185 OptionsPage.navigateToPage(pageName); | |
| 186 } | |
| 187 return button; | |
| 188 }, | |
| 189 | |
| 190 /** | |
| 191 * Handles OptionsPage's visible property change event. | |
| 192 * @param {Event} e Property change event. | |
| 193 * @private | |
| 194 */ | |
| 195 handleVisibleChange_: function(e) { | |
| 196 if (this.visible) { | |
| 197 $('language-options-list').redraw(); | |
| 198 chrome.send('languageOptionsOpen'); | |
| 199 } | |
| 200 }, | |
| 201 | |
| 202 /** | |
| 203 * Handles languageOptionsList's change event. | |
| 204 * @param {Event} e Change event. | |
| 205 * @private | |
| 206 */ | |
| 207 handleLanguageOptionsListChange_: function(e) { | |
| 208 var languageOptionsList = $('language-options-list'); | |
| 209 var languageCode = languageOptionsList.getSelectedLanguageCode(); | |
| 210 // Select the language if it's specified in the URL hash (ex. lang=ja). | |
| 211 // Used for automated testing. | |
| 212 var match = document.location.hash.match(/\blang=([\w-]+)/); | |
| 213 if (match) { | |
| 214 var specifiedLanguageCode = match[1]; | |
| 215 if (languageOptionsList.selectLanguageByCode(specifiedLanguageCode)) { | |
| 216 languageCode = specifiedLanguageCode; | |
| 217 } | |
| 218 } | |
| 219 this.updateSelectedLanguageName_(languageCode); | |
| 220 if (cr.isWindows || cr.isChromeOS) | |
| 221 this.updateUiLanguageButton_(languageCode); | |
| 222 this.updateSpellCheckLanguageButton_(languageCode); | |
| 223 if (cr.isChromeOS) | |
| 224 this.updateInputMethodList_(languageCode); | |
| 225 this.updateLanguageListInAddLanguageOverlay_(); | |
| 226 }, | |
| 227 | |
| 228 /** | |
| 229 * Handles languageOptionsList's save event. | |
| 230 * @param {Event} e Save event. | |
| 231 * @private | |
| 232 */ | |
| 233 handleLanguageOptionsListSave_: function(e) { | |
| 234 if (cr.isChromeOS) { | |
| 235 // Sort the preload engines per the saved languages before save. | |
| 236 this.preloadEngines_ = this.sortPreloadEngines_(this.preloadEngines_); | |
| 237 this.savePreloadEnginesPref_(); | |
| 238 } | |
| 239 }, | |
| 240 | |
| 241 /** | |
| 242 * Sorts preloadEngines_ by languageOptionsList's order. | |
| 243 * @param {Array} preloadEngines List of preload engines. | |
| 244 * @return {Array} Returns sorted preloadEngines. | |
| 245 * @private | |
| 246 */ | |
| 247 sortPreloadEngines_: function(preloadEngines) { | |
| 248 // For instance, suppose we have two languages and associated input | |
| 249 // methods: | |
| 250 // | |
| 251 // - Korean: hangul | |
| 252 // - Chinese: pinyin | |
| 253 // | |
| 254 // The preloadEngines preference should look like "hangul,pinyin". | |
| 255 // If the user reverse the order, the preference should be reorderd | |
| 256 // to "pinyin,hangul". | |
| 257 var languageOptionsList = $('language-options-list'); | |
| 258 var languageCodes = languageOptionsList.getLanguageCodes(); | |
| 259 | |
| 260 // Convert the list into a dictonary for simpler lookup. | |
| 261 var preloadEngineSet = {}; | |
| 262 for (var i = 0; i < preloadEngines.length; i++) { | |
| 263 preloadEngineSet[preloadEngines[i]] = true; | |
| 264 } | |
| 265 | |
| 266 // Create the new preload engine list per the language codes. | |
| 267 var newPreloadEngines = []; | |
| 268 for (var i = 0; i < languageCodes.length; i++) { | |
| 269 var languageCode = languageCodes[i]; | |
| 270 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[ | |
| 271 languageCode]; | |
| 272 // Check if we have active input methods associated with the language. | |
| 273 for (var j = 0; j < inputMethodIds.length; j++) { | |
| 274 var inputMethodId = inputMethodIds[j]; | |
| 275 if (inputMethodId in preloadEngineSet) { | |
| 276 // If we have, add it to the new engine list. | |
| 277 newPreloadEngines.push(inputMethodId); | |
| 278 // And delete it from the set. This is necessary as one input | |
| 279 // method can be associated with more than one language thus | |
| 280 // we should avoid having duplicates in the new list. | |
| 281 delete preloadEngineSet[inputMethodId]; | |
| 282 } | |
| 283 } | |
| 284 } | |
| 285 | |
| 286 return newPreloadEngines; | |
| 287 }, | |
| 288 | |
| 289 /** | |
| 290 * Initializes the map of language code to input method IDs. | |
| 291 * @private | |
| 292 */ | |
| 293 initializeLanguageCodeToInputMethodIdsMap_: function() { | |
| 294 var inputMethodList = templateData.inputMethodList; | |
| 295 for (var i = 0; i < inputMethodList.length; i++) { | |
| 296 var inputMethod = inputMethodList[i]; | |
| 297 for (var languageCode in inputMethod.languageCodeSet) { | |
| 298 if (languageCode in this.languageCodeToInputMethodIdsMap_) { | |
| 299 this.languageCodeToInputMethodIdsMap_[languageCode].push( | |
| 300 inputMethod.id); | |
| 301 } else { | |
| 302 this.languageCodeToInputMethodIdsMap_[languageCode] = | |
| 303 [inputMethod.id]; | |
| 304 } | |
| 305 } | |
| 306 } | |
| 307 }, | |
| 308 | |
| 309 /** | |
| 310 * Updates the currently selected language name. | |
| 311 * @param {string} languageCode Language code (ex. "fr"). | |
| 312 * @private | |
| 313 */ | |
| 314 updateSelectedLanguageName_: function(languageCode) { | |
| 315 var languageDisplayName = LanguageList.getDisplayNameFromLanguageCode( | |
| 316 languageCode); | |
| 317 var languageNativeDisplayName = | |
| 318 LanguageList.getNativeDisplayNameFromLanguageCode(languageCode); | |
| 319 // If the native name is different, add it. | |
| 320 if (languageDisplayName != languageNativeDisplayName) { | |
| 321 languageDisplayName += ' - ' + languageNativeDisplayName; | |
| 322 } | |
| 323 // Update the currently selected language name. | |
| 324 var languageName = $('language-options-language-name'); | |
| 325 if (languageDisplayName) { | |
| 326 languageName.hidden = false; | |
| 327 languageName.textContent = languageDisplayName; | |
| 328 } else { | |
| 329 languageName.hidden = true; | |
| 330 } | |
| 331 }, | |
| 332 | |
| 333 /** | |
| 334 * Updates the UI language button. | |
| 335 * @param {string} languageCode Language code (ex. "fr"). | |
| 336 * @private | |
| 337 */ | |
| 338 updateUiLanguageButton_: function(languageCode) { | |
| 339 var uiLanguageButton = $('language-options-ui-language-button'); | |
| 340 // Check if the language code matches the current UI language. | |
| 341 if (languageCode == templateData.currentUiLanguageCode) { | |
| 342 // If it matches, the button just says that the UI language is | |
| 343 // currently in use. | |
| 344 uiLanguageButton.textContent = | |
| 345 localStrings.getString('is_displayed_in_this_language'); | |
| 346 // Make it look like a text label. | |
| 347 uiLanguageButton.className = 'text-button'; | |
| 348 // Remove the event listner. | |
| 349 uiLanguageButton.onclick = undefined; | |
| 350 } else if (languageCode in templateData.uiLanguageCodeSet) { | |
| 351 // If the language is supported as UI language, users can click on | |
| 352 // the button to change the UI language. | |
| 353 if (cr.commandLine && cr.commandLine.options['--bwsi']) { | |
| 354 // In the guest mode for ChromeOS, changing UI language does not make | |
| 355 // sense because it does not take effect after browser restart. | |
| 356 uiLanguageButton.hidden = true; | |
| 357 } else { | |
| 358 uiLanguageButton.textContent = | |
| 359 localStrings.getString('display_in_this_language'); | |
| 360 uiLanguageButton.className = ''; | |
| 361 // Send the change request to Chrome. | |
| 362 uiLanguageButton.onclick = function(e) { | |
| 363 chrome.send('uiLanguageChange', [languageCode]); | |
| 364 } | |
| 365 } | |
| 366 if (cr.isChromeOS) { | |
| 367 $('language-options-ui-restart-button').onclick = function(e) { | |
| 368 chrome.send('uiLanguageRestart'); | |
| 369 } | |
| 370 } | |
| 371 } else { | |
| 372 // If the language is not supported as UI language, the button | |
| 373 // just says that Chromium OS cannot be displayed in this language. | |
| 374 uiLanguageButton.textContent = | |
| 375 localStrings.getString('cannot_be_displayed_in_this_language'); | |
| 376 uiLanguageButton.className = 'text-button'; | |
| 377 uiLanguageButton.onclick = undefined; | |
| 378 } | |
| 379 uiLanguageButton.style.display = 'block'; | |
| 380 $('language-options-ui-notification-bar').style.display = 'none'; | |
| 381 }, | |
| 382 | |
| 383 /** | |
| 384 * Updates the spell check language button. | |
| 385 * @param {string} languageCode Language code (ex. "fr"). | |
| 386 * @private | |
| 387 */ | |
| 388 updateSpellCheckLanguageButton_: function(languageCode) { | |
| 389 var display = 'block'; | |
| 390 var spellCheckLanguageButton = $( | |
| 391 'language-options-spell-check-language-button'); | |
| 392 // Check if the language code matches the current spell check language. | |
| 393 if (languageCode == this.spellCheckDictionary_) { | |
| 394 // If it matches, the button just says that the spell check language is | |
| 395 // currently in use. | |
| 396 spellCheckLanguageButton.textContent = | |
| 397 localStrings.getString('is_used_for_spell_checking'); | |
| 398 // Make it look like a text label. | |
| 399 spellCheckLanguageButton.className = 'text-button'; | |
| 400 // Remove the event listner. | |
| 401 spellCheckLanguageButton.onclick = undefined; | |
| 402 } else if (languageCode in templateData.spellCheckLanguageCodeSet) { | |
| 403 // If the language is supported as spell check language, users can | |
| 404 // click on the button to change the spell check language. | |
| 405 spellCheckLanguageButton.textContent = | |
| 406 localStrings.getString('use_this_for_spell_checking'); | |
| 407 spellCheckLanguageButton.className = ''; | |
| 408 spellCheckLanguageButton.languageCode = languageCode; | |
| 409 // Add an event listner to the click event. | |
| 410 spellCheckLanguageButton.addEventListener('click', | |
| 411 this.handleSpellCheckLanguageButtonClick_.bind(this)); | |
| 412 } else if (!languageCode) { | |
| 413 display = 'none'; | |
| 414 } else { | |
| 415 // If the language is not supported as spell check language, the | |
| 416 // button just says that this language cannot be used for spell | |
| 417 // checking. | |
| 418 spellCheckLanguageButton.textContent = | |
| 419 localStrings.getString('cannot_be_used_for_spell_checking'); | |
| 420 spellCheckLanguageButton.className = 'text-button'; | |
| 421 spellCheckLanguageButton.onclick = undefined; | |
| 422 } | |
| 423 spellCheckLanguageButton.style.display = display; | |
| 424 $('language-options-ui-notification-bar').style.display = 'none'; | |
| 425 }, | |
| 426 | |
| 427 /** | |
| 428 * Updates the input method list. | |
| 429 * @param {string} languageCode Language code (ex. "fr"). | |
| 430 * @private | |
| 431 */ | |
| 432 updateInputMethodList_: function(languageCode) { | |
| 433 // Give one of the checkboxes or buttons focus, if it's specified in the | |
| 434 // URL hash (ex. focus=mozc). Used for automated testing. | |
| 435 var focusInputMethodId = -1; | |
| 436 var match = document.location.hash.match(/\bfocus=([\w:-]+)\b/); | |
| 437 if (match) { | |
| 438 focusInputMethodId = match[1]; | |
| 439 } | |
| 440 // Change the visibility of the input method list. Input methods that | |
| 441 // matches |languageCode| will become visible. | |
| 442 var inputMethodList = $('language-options-input-method-list'); | |
| 443 var labels = inputMethodList.querySelectorAll('label'); | |
| 444 for (var i = 0; i < labels.length; i++) { | |
| 445 var label = labels[i]; | |
| 446 if (languageCode in label.languageCodeSet) { | |
| 447 label.style.display = 'block'; | |
| 448 var input = label.childNodes[0]; | |
| 449 // Give it focus if the ID matches. | |
| 450 if (input.inputMethodId == focusInputMethodId) { | |
| 451 input.focus(); | |
| 452 } | |
| 453 } else { | |
| 454 label.style.display = 'none'; | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 if (focusInputMethodId == 'add') { | |
| 459 $('language-options-add-button').focus(); | |
| 460 } | |
| 461 }, | |
| 462 | |
| 463 /** | |
| 464 * Updates the language list in the add language overlay. | |
| 465 * @param {string} languageCode Language code (ex. "fr"). | |
| 466 * @private | |
| 467 */ | |
| 468 updateLanguageListInAddLanguageOverlay_: function(languageCode) { | |
| 469 // Change the visibility of the language list in the add language | |
| 470 // overlay. Languages that are already active will become invisible, | |
| 471 // so that users don't add the same language twice. | |
| 472 var languageOptionsList = $('language-options-list'); | |
| 473 var languageCodes = languageOptionsList.getLanguageCodes(); | |
| 474 var languageCodeSet = {}; | |
| 475 for (var i = 0; i < languageCodes.length; i++) { | |
| 476 languageCodeSet[languageCodes[i]] = true; | |
| 477 } | |
| 478 var addLanguageList = $('add-language-overlay-language-list'); | |
| 479 var lis = addLanguageList.querySelectorAll('li'); | |
| 480 for (var i = 0; i < lis.length; i++) { | |
| 481 // The first child button knows the language code. | |
| 482 var button = lis[i].childNodes[0]; | |
| 483 if (button.languageCode in languageCodeSet) { | |
| 484 lis[i].style.display = 'none'; | |
| 485 } else { | |
| 486 lis[i].style.display = 'block'; | |
| 487 } | |
| 488 } | |
| 489 }, | |
| 490 | |
| 491 /** | |
| 492 * Handles preloadEnginesPref change. | |
| 493 * @param {Event} e Change event. | |
| 494 * @private | |
| 495 */ | |
| 496 handlePreloadEnginesPrefChange_: function(e) { | |
| 497 var value = e.value.value; | |
| 498 this.preloadEngines_ = this.filterBadPreloadEngines_(value.split(',')); | |
| 499 this.updateCheckboxesFromPreloadEngines_(); | |
| 500 $('language-options-list').updateDeletable(); | |
| 501 }, | |
| 502 | |
| 503 /** | |
| 504 * Handles input method checkbox's click event. | |
| 505 * @param {Event} e Click event. | |
| 506 * @private | |
| 507 */ | |
| 508 handleCheckboxClick_ : function(e) { | |
| 509 var checkbox = e.target; | |
| 510 if (this.preloadEngines_.length == 1 && !checkbox.checked) { | |
| 511 // Don't allow disabling the last input method. | |
| 512 this.showNotification_( | |
| 513 localStrings.getString('please_add_another_input_method'), | |
| 514 localStrings.getString('ok_button')); | |
| 515 checkbox.checked = true; | |
| 516 return; | |
| 517 } | |
| 518 if (checkbox.checked) { | |
| 519 chrome.send('inputMethodEnable', [checkbox.inputMethodId]); | |
| 520 } else { | |
| 521 chrome.send('inputMethodDisable', [checkbox.inputMethodId]); | |
| 522 } | |
| 523 this.updatePreloadEnginesFromCheckboxes_(); | |
| 524 this.preloadEngines_ = this.sortPreloadEngines_(this.preloadEngines_); | |
| 525 this.savePreloadEnginesPref_(); | |
| 526 }, | |
| 527 | |
| 528 /** | |
| 529 * Handles add language list's click event. | |
| 530 * @param {Event} e Click event. | |
| 531 */ | |
| 532 handleAddLanguageListClick_ : function(e) { | |
| 533 var languageOptionsList = $('language-options-list'); | |
| 534 var languageCode = e.target.languageCode; | |
| 535 // languageCode can be undefined, if click was made on some random | |
| 536 // place in the overlay, rather than a button. Ignore it. | |
| 537 if (!languageCode) { | |
| 538 return; | |
| 539 } | |
| 540 languageOptionsList.addLanguage(languageCode); | |
| 541 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[languageCode]; | |
| 542 // Enable the first input method for the language added. | |
| 543 if (inputMethodIds && inputMethodIds[0] && | |
| 544 // Don't add the input method it's already present. This can | |
| 545 // happen if the same input method is shared among multiple | |
| 546 // languages (ex. English US keyboard is used for English US and | |
| 547 // Filipino). | |
| 548 this.preloadEngines_.indexOf(inputMethodIds[0]) == -1) { | |
| 549 this.preloadEngines_.push(inputMethodIds[0]); | |
| 550 this.updateCheckboxesFromPreloadEngines_(); | |
| 551 this.savePreloadEnginesPref_(); | |
| 552 } | |
| 553 OptionsPage.closeOverlay(); | |
| 554 }, | |
| 555 | |
| 556 /** | |
| 557 * Handles add language dialog ok button. | |
| 558 */ | |
| 559 handleAddLanguageOkButtonClick_ : function() { | |
| 560 var languagesSelect = $('add-language-overlay-language-list'); | |
| 561 var selectedIndex = languagesSelect.selectedIndex; | |
| 562 if (selectedIndex >= 0) { | |
| 563 var selection = languagesSelect.options[selectedIndex]; | |
| 564 $('language-options-list').addLanguage(String(selection.value)); | |
| 565 OptionsPage.closeOverlay(); | |
| 566 } | |
| 567 }, | |
| 568 | |
| 569 /** | |
| 570 * Checks if languageCode is deletable or not. | |
| 571 * @param {String} languageCode the languageCode to check for deletability. | |
| 572 */ | |
| 573 languageIsDeletable: function(languageCode) { | |
| 574 // Don't allow removing the language if it's as UI language. | |
| 575 if (languageCode == templateData.currentUiLanguageCode) | |
| 576 return false; | |
| 577 return (!cr.isChromeOS || | |
| 578 this.canDeleteLanguage_(languageCode)); | |
| 579 }, | |
| 580 | |
| 581 /** | |
| 582 * Handles browse.enable_spellchecking change. | |
| 583 * @param {Event} e Change event. | |
| 584 * @private | |
| 585 */ | |
| 586 updateEnableSpellCheck_: function() { | |
| 587 var value = !$('enable-spell-check').checked; | |
| 588 | |
| 589 $('language-options-spell-check-language-button').disabled = value; | |
| 590 }, | |
| 591 | |
| 592 /** | |
| 593 * Handles spellCheckDictionaryPref change. | |
| 594 * @param {Event} e Change event. | |
| 595 * @private | |
| 596 */ | |
| 597 handleSpellCheckDictionaryPrefChange_: function(e) { | |
| 598 var languageCode = e.value.value | |
| 599 this.spellCheckDictionary_ = languageCode; | |
| 600 var languageOptionsList = $('language-options-list'); | |
| 601 var selectedLanguageCode = languageOptionsList.getSelectedLanguageCode(); | |
| 602 this.updateSpellCheckLanguageButton_(selectedLanguageCode); | |
| 603 }, | |
| 604 | |
| 605 /** | |
| 606 * Handles spellCheckLanguageButton click. | |
| 607 * @param {Event} e Click event. | |
| 608 * @private | |
| 609 */ | |
| 610 handleSpellCheckLanguageButtonClick_: function(e) { | |
| 611 var languageCode = e.target.languageCode; | |
| 612 // Save the preference. | |
| 613 Preferences.setStringPref(this.spellCheckDictionaryPref, | |
| 614 languageCode); | |
| 615 chrome.send('spellCheckLanguageChange', [languageCode]); | |
| 616 }, | |
| 617 | |
| 618 /** | |
| 619 * Checks whether it's possible to remove the language specified by | |
| 620 * languageCode and returns true if possible. This function returns false | |
| 621 * if the removal causes the number of preload engines to be zero. | |
| 622 * | |
| 623 * @param {string} languageCode Language code (ex. "fr"). | |
| 624 * @return {boolean} Returns true on success. | |
| 625 * @private | |
| 626 */ | |
| 627 canDeleteLanguage_: function(languageCode) { | |
| 628 // First create the set of engines to be removed from input methods | |
| 629 // associated with the language code. | |
| 630 var enginesToBeRemovedSet = {}; | |
| 631 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[languageCode]; | |
| 632 for (var i = 0; i < inputMethodIds.length; i++) { | |
| 633 enginesToBeRemovedSet[inputMethodIds[i]] = true; | |
| 634 } | |
| 635 | |
| 636 // Then eliminate engines that are also used for other active languages. | |
| 637 // For instance, if "xkb:us::eng" is used for both English and Filipino. | |
| 638 var languageCodes = $('language-options-list').getLanguageCodes(); | |
| 639 for (var i = 0; i < languageCodes.length; i++) { | |
| 640 // Skip the target language code. | |
| 641 if (languageCodes[i] == languageCode) { | |
| 642 continue; | |
| 643 } | |
| 644 // Check if input methods used in this language are included in | |
| 645 // enginesToBeRemovedSet. If so, eliminate these from the set, so | |
| 646 // we don't remove this time. | |
| 647 var inputMethodIdsForAnotherLanguage = | |
| 648 this.languageCodeToInputMethodIdsMap_[languageCodes[i]]; | |
| 649 for (var j = 0; j < inputMethodIdsForAnotherLanguage.length; j++) { | |
| 650 var inputMethodId = inputMethodIdsForAnotherLanguage[j]; | |
| 651 if (inputMethodId in enginesToBeRemovedSet) { | |
| 652 delete enginesToBeRemovedSet[inputMethodId]; | |
| 653 } | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 // Update the preload engine list with the to-be-removed set. | |
| 658 var newPreloadEngines = []; | |
| 659 for (var i = 0; i < this.preloadEngines_.length; i++) { | |
| 660 if (!(this.preloadEngines_[i] in enginesToBeRemovedSet)) { | |
| 661 newPreloadEngines.push(this.preloadEngines_[i]); | |
| 662 } | |
| 663 } | |
| 664 // Don't allow this operation if it causes the number of preload | |
| 665 // engines to be zero. | |
| 666 return (newPreloadEngines.length > 0); | |
| 667 }, | |
| 668 | |
| 669 /** | |
| 670 * Saves the preload engines preference. | |
| 671 * @private | |
| 672 */ | |
| 673 savePreloadEnginesPref_: function() { | |
| 674 Preferences.setStringPref(this.preloadEnginesPref, | |
| 675 this.preloadEngines_.join(',')); | |
| 676 }, | |
| 677 | |
| 678 /** | |
| 679 * Updates the checkboxes in the input method list from the preload | |
| 680 * engines preference. | |
| 681 * @private | |
| 682 */ | |
| 683 updateCheckboxesFromPreloadEngines_: function() { | |
| 684 // Convert the list into a dictonary for simpler lookup. | |
| 685 var dictionary = {}; | |
| 686 for (var i = 0; i < this.preloadEngines_.length; i++) { | |
| 687 dictionary[this.preloadEngines_[i]] = true; | |
| 688 } | |
| 689 | |
| 690 var inputMethodList = $('language-options-input-method-list'); | |
| 691 var checkboxes = inputMethodList.querySelectorAll('input'); | |
| 692 for (var i = 0; i < checkboxes.length; i++) { | |
| 693 checkboxes[i].checked = (checkboxes[i].inputMethodId in dictionary); | |
| 694 } | |
| 695 }, | |
| 696 | |
| 697 /** | |
| 698 * Updates the preload engines preference from the checkboxes in the | |
| 699 * input method list. | |
| 700 * @private | |
| 701 */ | |
| 702 updatePreloadEnginesFromCheckboxes_: function() { | |
| 703 this.preloadEngines_ = []; | |
| 704 var inputMethodList = $('language-options-input-method-list'); | |
| 705 var checkboxes = inputMethodList.querySelectorAll('input'); | |
| 706 for (var i = 0; i < checkboxes.length; i++) { | |
| 707 if (checkboxes[i].checked) { | |
| 708 this.preloadEngines_.push(checkboxes[i].inputMethodId); | |
| 709 } | |
| 710 } | |
| 711 var languageOptionsList = $('language-options-list'); | |
| 712 languageOptionsList.updateDeletable(); | |
| 713 }, | |
| 714 | |
| 715 /** | |
| 716 * Filters bad preload engines in case bad preload engines are | |
| 717 * stored in the preference. Removes duplicates as well. | |
| 718 * @param {Array} preloadEngines List of preload engines. | |
| 719 * @private | |
| 720 */ | |
| 721 filterBadPreloadEngines_: function(preloadEngines) { | |
| 722 // Convert the list into a dictonary for simpler lookup. | |
| 723 var dictionary = {}; | |
| 724 for (var i = 0; i < templateData.inputMethodList.length; i++) { | |
| 725 dictionary[templateData.inputMethodList[i].id] = true; | |
| 726 } | |
| 727 | |
| 728 var filteredPreloadEngines = []; | |
| 729 var seen = {}; | |
| 730 for (var i = 0; i < preloadEngines.length; i++) { | |
| 731 // Check if the preload engine is present in the | |
| 732 // dictionary, and not duplicate. Otherwise, skip it. | |
| 733 if (preloadEngines[i] in dictionary && !(preloadEngines[i] in seen)) { | |
| 734 filteredPreloadEngines.push(preloadEngines[i]); | |
| 735 seen[preloadEngines[i]] = true; | |
| 736 } | |
| 737 } | |
| 738 return filteredPreloadEngines; | |
| 739 }, | |
| 740 | |
| 741 // TODO(kochi): This is an adapted copy from new_tab.js. | |
| 742 // If this will go as final UI, refactor this to share the component with | |
| 743 // new new tab page. | |
| 744 /** | |
| 745 * Shows notification | |
| 746 * @private | |
| 747 */ | |
| 748 notificationTimeout_: null, | |
| 749 showNotification_ : function(text, actionText, opt_delay) { | |
| 750 var notificationElement = $('notification'); | |
| 751 var actionLink = notificationElement.querySelector('.link-color'); | |
| 752 var delay = opt_delay || 10000; | |
| 753 | |
| 754 function show() { | |
| 755 window.clearTimeout(this.notificationTimeout_); | |
| 756 notificationElement.classList.add('show'); | |
| 757 document.body.classList.add('notification-shown'); | |
| 758 } | |
| 759 | |
| 760 function hide() { | |
| 761 window.clearTimeout(this.notificationTimeout_); | |
| 762 notificationElement.classList.remove('show'); | |
| 763 document.body.classList.remove('notification-shown'); | |
| 764 // Prevent tabbing to the hidden link. | |
| 765 actionLink.tabIndex = -1; | |
| 766 // Setting tabIndex to -1 only prevents future tabbing to it. If, | |
| 767 // however, the user switches window or a tab and then moves back to | |
| 768 // this tab the element may gain focus. We therefore make sure that we | |
| 769 // blur the element so that the element focus is not restored when | |
| 770 // coming back to this window. | |
| 771 actionLink.blur(); | |
| 772 } | |
| 773 | |
| 774 function delayedHide() { | |
| 775 this.notificationTimeout_ = window.setTimeout(hide, delay); | |
| 776 } | |
| 777 | |
| 778 notificationElement.firstElementChild.textContent = text; | |
| 779 actionLink.textContent = actionText; | |
| 780 | |
| 781 actionLink.onclick = hide; | |
| 782 actionLink.onkeydown = function(e) { | |
| 783 if (e.keyIdentifier == 'Enter') { | |
| 784 hide(); | |
| 785 } | |
| 786 }; | |
| 787 notificationElement.onmouseover = show; | |
| 788 notificationElement.onmouseout = delayedHide; | |
| 789 actionLink.onfocus = show; | |
| 790 actionLink.onblur = delayedHide; | |
| 791 // Enable tabbing to the link now that it is shown. | |
| 792 actionLink.tabIndex = 0; | |
| 793 | |
| 794 show(); | |
| 795 delayedHide(); | |
| 796 } | |
| 797 }; | |
| 798 | |
| 799 /** | |
| 800 * Chrome callback for when the UI language preference is saved. | |
| 801 */ | |
| 802 LanguageOptions.uiLanguageSaved = function() { | |
| 803 $('language-options-ui-language-button').style.display = 'none'; | |
| 804 $('language-options-ui-notification-bar').style.display = 'block'; | |
| 805 }; | |
| 806 | |
| 807 // Export | |
| 808 return { | |
| 809 LanguageOptions: LanguageOptions | |
| 810 }; | |
| 811 }); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8937011:
Revert "Options2: Pull the trigger." (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src