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| 1 // Copyright (c) 2010 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 | |
| 10 const OptionsPage = options.OptionsPage; | |
| 11 const AddLanguageOverlay = options.language.AddLanguageOverlay; | |
| 12 const LanguageList = options.language.LanguageList; | |
| 13 | |
| 14 // Some input methods like Chinese Pinyin have config pages. | |
| 15 // This is the map of the input method names to their config page names. | |
| 16 const INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME = { | |
| 17 'chewing': 'languageChewing', | |
| 18 'hangul': 'languageHangul', | |
| 19 'mozc': 'languageMozc', | |
| 20 'mozc-dv': 'languageMozc', | |
| 21 'mozc-jp': 'languageMozc', | |
| 22 'pinyin': 'languagePinyin', | |
| 23 }; | |
| 24 | |
| 25 ///////////////////////////////////////////////////////////////////////////// | |
| 26 // LanguageOptions class: | |
| 27 | |
| 28 /** | |
| 29 * Encapsulated handling of ChromeOS language options page. | |
| 30 * @constructor | |
| 31 */ | |
| 32 function LanguageOptions(model) { | |
| 33 OptionsPage.call(this, 'language', localStrings.getString('languagePage'), | |
| 34 'languagePage'); | |
| 35 } | |
| 36 | |
| 37 cr.addSingletonGetter(LanguageOptions); | |
| 38 | |
| 39 // Inherit LanguageOptions from OptionsPage. | |
| 40 LanguageOptions.prototype = { | |
| 41 __proto__: OptionsPage.prototype, | |
| 42 | |
| 43 /** | |
| 44 * Initializes LanguageOptions page. | |
| 45 * Calls base class implementation to starts preference initialization. | |
| 46 */ | |
| 47 initializePage: function() { | |
| 48 OptionsPage.prototype.initializePage.call(this); | |
| 49 | |
| 50 var languageOptionsList = $('language-options-list'); | |
| 51 LanguageList.decorate(languageOptionsList); | |
| 52 | |
| 53 languageOptionsList.addEventListener('change', | |
| 54 this.handleLanguageOptionsListChange_.bind(this)); | |
| 55 languageOptionsList.addEventListener('save', | |
| 56 this.handleLanguageOptionsListSave_.bind(this)); | |
| 57 | |
| 58 this.addEventListener('visibleChange', | |
| 59 this.handleVisibleChange_.bind(this)); | |
| 60 | |
| 61 this.initializeInputMethodList_(); | |
| 62 this.initializeLanguageCodeToInputMehotdIdsMap_(); | |
| 63 | |
| 64 // Set up add button. | |
| 65 $('language-options-add-button').onclick = function(e) { | |
| 66 // Add the language without showing the overlay if it's specified in | |
| 67 // the URL hash (ex. lang_add=ja). Used for automated testing. | |
| 68 var match = document.location.hash.match(/\blang_add=([\w-]+)/); | |
| 69 if (match) { | |
| 70 var addLanguageCode = match[1]; | |
| 71 $('language-options-list').addLanguage(addLanguageCode); | |
| 72 } else { | |
| 73 OptionsPage.showOverlay('addLanguageOverlay'); | |
| 74 } | |
| 75 }; | |
| 76 // Set up remove button. | |
| 77 $('language-options-remove-button').addEventListener('click', | |
| 78 this.handleRemoveButtonClick_.bind(this)); | |
| 79 | |
| 80 // Setup add language overlay page. | |
| 81 OptionsPage.registerOverlay(AddLanguageOverlay.getInstance()); | |
| 82 | |
| 83 // Listen to user clicks on the add language list. | |
| 84 var addLanguageList = $('add-language-overlay-language-list'); | |
| 85 addLanguageList.addEventListener('click', | |
| 86 this.handleAddLanguageListClick_.bind(this)); | |
| 87 }, | |
| 88 | |
| 89 // The preference is a CSV string that describes preload engines | |
| 90 // (i.e. active input methods). | |
| 91 preloadEnginesPref: 'settings.language.preload_engines', | |
| 92 // The list of preload engines, like ['mozc', 'pinyin']. | |
| 93 preloadEngines_: [], | |
| 94 // The preference is a string that describes the spell check | |
| 95 // dictionary language, like "en-US". | |
| 96 spellCheckDictionaryPref: 'spellcheck.dictionary', | |
| 97 spellCheckDictionary_: "", | |
| 98 // The map of language code to input method IDs, like: | |
| 99 // {'ja': ['mozc', 'mozc-jp'], 'zh-CN': ['pinyin'], ...} | |
| 100 languageCodeToInputMethodIdsMap_: {}, | |
| 101 | |
| 102 /** | |
| 103 * Initializes the input method list. | |
| 104 */ | |
| 105 initializeInputMethodList_: function() { | |
| 106 var inputMethodList = $('language-options-input-method-list'); | |
| 107 var inputMethodListData = templateData.inputMethodList; | |
| 108 | |
| 109 // Add all input methods, but make all of them invisible here. We'll | |
| 110 // change the visibility in handleLanguageOptionsListChange_() based | |
| 111 // on the selected language. Note that we only have less than 100 | |
| 112 // input methods, so creating DOM nodes at once here should be ok. | |
| 113 for (var i = 0; i < inputMethodListData.length; i++) { | |
| 114 var inputMethod = inputMethodListData[i]; | |
| 115 var input = document.createElement('input'); | |
| 116 input.type = 'checkbox'; | |
| 117 input.inputMethodId = inputMethod.id; | |
| 118 // Listen to user clicks. | |
| 119 input.addEventListener('click', | |
| 120 this.handleCheckboxClick_.bind(this)); | |
| 121 var label = document.createElement('label'); | |
| 122 label.appendChild(input); | |
| 123 label.appendChild(document.createTextNode(inputMethod.displayName)); | |
| 124 label.style.display = 'none'; | |
| 125 label.languageCodeSet = inputMethod.languageCodeSet; | |
| 126 // Add the configure button if the config page is present for this | |
| 127 // input method. | |
| 128 if (inputMethod.id in INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME) { | |
| 129 var pageName = INPUT_METHOD_ID_TO_CONFIG_PAGE_NAME[inputMethod.id]; | |
| 130 var button = this.createConfigureInputMethodButton_(inputMethod.id, | |
| 131 pageName); | |
| 132 label.appendChild(button); | |
| 133 } | |
| 134 | |
| 135 inputMethodList.appendChild(label); | |
| 136 } | |
| 137 // Listen to pref change once the input method list is initialized. | |
| 138 Preferences.getInstance().addEventListener(this.preloadEnginesPref, | |
| 139 this.handlePreloadEnginesPrefChange_.bind(this)); | |
| 140 Preferences.getInstance().addEventListener(this.spellCheckDictionaryPref, | |
| 141 this.handleSpellCheckDictionaryPrefChange_.bind(this)); | |
| 142 }, | |
| 143 | |
| 144 /** | |
| 145 * Creates a configure button for the given input method ID. | |
| 146 * @param {string} inputMethodId Input method ID (ex. "pinyin"). | |
| 147 * @param {string} pageName Name of the config page (ex. "languagePinyin"). | |
| 148 * @private | |
| 149 */ | |
| 150 createConfigureInputMethodButton_: function(inputMethodId, pageName) { | |
| 151 var button = document.createElement('button'); | |
| 152 button.textContent = localStrings.getString('configure'); | |
| 153 button.onclick = function(e) { | |
| 154 // Prevent the default action (i.e. changing the checked property | |
| 155 // of the checkbox). The button click here should not be handled | |
| 156 // as checkbox click. | |
| 157 e.preventDefault(); | |
| 158 chrome.send('inputMethodOptionsOpen', [inputMethodId]); | |
| 159 OptionsPage.showPageByName(pageName); | |
| 160 } | |
| 161 return button; | |
| 162 }, | |
| 163 | |
| 164 /** | |
| 165 * Handles OptionsPage's visible property change event. | |
| 166 * @param {Event} e Property change event. | |
| 167 * @private | |
| 168 */ | |
| 169 handleVisibleChange_: function(e) { | |
| 170 if (this.visible) { | |
| 171 $('language-options-list').redraw(); | |
| 172 chrome.send('languageOptionsOpen'); | |
| 173 } | |
| 174 }, | |
| 175 | |
| 176 /** | |
| 177 * Handles languageOptionsList's change event. | |
| 178 * @param {Event} e Change event. | |
| 179 * @private | |
| 180 */ | |
| 181 handleLanguageOptionsListChange_: function(e) { | |
| 182 var languageOptionsList = $('language-options-list'); | |
| 183 var languageCode = languageOptionsList.getSelectedLanguageCode(); | |
| 184 // Select the language if it's specified in the URL hash (ex. lang=ja). | |
| 185 // Used for automated testing. | |
| 186 var match = document.location.hash.match(/\blang=([\w-]+)/); | |
| 187 if (match) { | |
| 188 var specifiedLanguageCode = match[1]; | |
| 189 if (languageOptionsList.selectLanguageByCode(specifiedLanguageCode)) { | |
| 190 languageCode = specifiedLanguageCode; | |
| 191 } | |
| 192 } | |
| 193 this.updateSelectedLanguageName_(languageCode); | |
| 194 this.updateUiLanguageButton_(languageCode); | |
| 195 this.updateSpellCheckLanguageButton_(languageCode); | |
| 196 this.updateInputMethodList_(languageCode); | |
| 197 this.updateLanguageListInAddLanguageOverlay_(); | |
| 198 }, | |
| 199 | |
| 200 /** | |
| 201 * Handles languageOptionsList's save event. | |
| 202 * @param {Event} e Save event. | |
| 203 * @private | |
| 204 */ | |
| 205 handleLanguageOptionsListSave_: function(e) { | |
| 206 // Sort the preload engines per the saved languages before save. | |
| 207 this.preloadEngines_ = this.sortPreloadEngines_(this.preloadEngines_); | |
| 208 this.savePreloadEnginesPref_(); | |
| 209 }, | |
| 210 | |
| 211 /** | |
| 212 * Sorts preloadEngines_ by languageOptionsList's order. | |
| 213 * @param {Array} preloadEngines List of preload engines. | |
| 214 * @return {Array} Returns sorted preloadEngines. | |
| 215 * @private | |
| 216 */ | |
| 217 sortPreloadEngines_: function(preloadEngines) { | |
| 218 // For instance, suppose we have two languages and associated input | |
| 219 // methods: | |
| 220 // | |
| 221 // - Korean: hangul | |
| 222 // - Chinese: pinyin | |
| 223 // | |
| 224 // The preloadEngines preference should look like "hangul,pinyin". | |
| 225 // If the user reverse the order, the preference should be reorderd | |
| 226 // to "pinyin,hangul". | |
| 227 var languageOptionsList = $('language-options-list'); | |
| 228 var languageCodes = languageOptionsList.getLanguageCodes(); | |
| 229 | |
| 230 // Convert the list into a dictonary for simpler lookup. | |
| 231 var preloadEngineSet = {}; | |
| 232 for (var i = 0; i < preloadEngines.length; i++) { | |
| 233 preloadEngineSet[preloadEngines[i]] = true; | |
| 234 } | |
| 235 | |
| 236 // Create the new preload engine list per the language codes. | |
| 237 var newPreloadEngines = []; | |
| 238 for (var i = 0; i < languageCodes.length; i++) { | |
| 239 var languageCode = languageCodes[i]; | |
| 240 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[ | |
| 241 languageCode]; | |
| 242 // Check if we have active input methods associated with the language. | |
| 243 for (var j = 0; j < inputMethodIds.length; j++) { | |
| 244 var inputMethodId = inputMethodIds[j]; | |
| 245 if (inputMethodId in preloadEngineSet) { | |
| 246 // If we have, add it to the new engine list. | |
| 247 newPreloadEngines.push(inputMethodId); | |
| 248 // And delete it from the set. This is necessary as one input | |
| 249 // method can be associated with more than one language thus | |
| 250 // we should avoid having duplicates in the new list. | |
| 251 delete preloadEngineSet[inputMethodId]; | |
| 252 } | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 return newPreloadEngines; | |
| 257 }, | |
| 258 | |
| 259 /** | |
| 260 * Initializes the map of language code to input method IDs. | |
| 261 * @private | |
| 262 */ | |
| 263 initializeLanguageCodeToInputMehotdIdsMap_: function() { | |
| 264 var inputMethodList = templateData.inputMethodList; | |
| 265 for (var i = 0; i < inputMethodList.length; i++) { | |
| 266 var inputMethod = inputMethodList[i]; | |
| 267 for (var languageCode in inputMethod.languageCodeSet) { | |
| 268 if (languageCode in this.languageCodeToInputMethodIdsMap_) { | |
| 269 this.languageCodeToInputMethodIdsMap_[languageCode].push( | |
| 270 inputMethod.id); | |
| 271 } else { | |
| 272 this.languageCodeToInputMethodIdsMap_[languageCode] = | |
| 273 [inputMethod.id]; | |
| 274 } | |
| 275 } | |
| 276 } | |
| 277 }, | |
| 278 | |
| 279 /** | |
| 280 * Updates the currently selected language name. | |
| 281 * @param {string} languageCode Language code (ex. "fr"). | |
| 282 * @private | |
| 283 */ | |
| 284 updateSelectedLanguageName_: function(languageCode) { | |
| 285 var languageDisplayName = LanguageList.getDisplayNameFromLanguageCode( | |
| 286 languageCode); | |
| 287 var languageNativeDisplayName = | |
| 288 LanguageList.getNativeDisplayNameFromLanguageCode(languageCode); | |
| 289 // If the native name is different, add it. | |
| 290 if (languageDisplayName != languageNativeDisplayName) { | |
| 291 languageDisplayName += ' - ' + languageNativeDisplayName; | |
| 292 } | |
| 293 // Update the currently selected language name. | |
| 294 $('language-options-language-name').textContent = languageDisplayName; | |
| 295 }, | |
| 296 | |
| 297 /** | |
| 298 * Updates the UI language button. | |
| 299 * @param {string} languageCode Language code (ex. "fr"). | |
| 300 * @private | |
| 301 */ | |
| 302 updateUiLanguageButton_: function(languageCode) { | |
| 303 var uiLanguageButton = $('language-options-ui-language-button'); | |
| 304 // Check if the language code matches the current UI language. | |
| 305 if (languageCode == templateData.currentUiLanguageCode) { | |
| 306 // If it matches, the button just says that the UI language is | |
| 307 // currently in use. | |
| 308 uiLanguageButton.textContent = | |
| 309 localStrings.getString('is_displayed_in_this_language'); | |
| 310 // Make it look like a text label. | |
| 311 uiLanguageButton.className = 'text-button'; | |
| 312 // Remove the event listner. | |
| 313 uiLanguageButton.onclick = undefined; | |
| 314 } else if (languageCode in templateData.uiLanguageCodeSet) { | |
| 315 // If the language is supported as UI language, users can click on | |
| 316 // the button to change the UI language. | |
| 317 uiLanguageButton.textContent = | |
| 318 localStrings.getString('display_in_this_language'); | |
| 319 uiLanguageButton.className = ''; | |
| 320 // Send the change request to Chrome. | |
| 321 uiLanguageButton.onclick = function(e) { | |
| 322 chrome.send('uiLanguageChange', [languageCode]); | |
| 323 } | |
| 324 $('language-options-ui-sign-out-button').onclick = function(e) { | |
| 325 chrome.send('uiLanguageSignOut'); | |
| 326 } | |
| 327 } else { | |
| 328 // If the language is not supported as UI language, the button | |
| 329 // just says that Chromium OS cannot be displayed in this language. | |
| 330 uiLanguageButton.textContent = | |
| 331 localStrings.getString('cannot_be_displayed_in_this_language'); | |
| 332 uiLanguageButton.className = 'text-button'; | |
| 333 uiLanguageButton.onclick = undefined; | |
| 334 } | |
| 335 uiLanguageButton.style.display = 'block'; | |
| 336 $('language-options-ui-notification-bar').style.display = 'none'; | |
| 337 }, | |
| 338 | |
| 339 /** | |
| 340 * Updates the spell check language button. | |
| 341 * @param {string} languageCode Language code (ex. "fr"). | |
| 342 * @private | |
| 343 */ | |
| 344 updateSpellCheckLanguageButton_: function(languageCode) { | |
| 345 var spellCheckLanguageButton = $( | |
| 346 'language-options-spell-check-language-button'); | |
| 347 // Check if the language code matches the current spell check language. | |
| 348 if (languageCode == this.spellCheckDictionary_) { | |
| 349 // If it matches, the button just says that the spell check language is | |
| 350 // currently in use. | |
| 351 spellCheckLanguageButton.textContent = | |
| 352 localStrings.getString('is_used_for_spell_checking'); | |
| 353 // Make it look like a text label. | |
| 354 spellCheckLanguageButton.className = 'text-button'; | |
| 355 // Remove the event listner. | |
| 356 spellCheckLanguageButton.onclick = undefined; | |
| 357 } else if (languageCode in templateData.spellCheckLanguageCodeSet) { | |
| 358 // If the language is supported as spell check language, users can | |
| 359 // click on the button to change the spell check language. | |
| 360 spellCheckLanguageButton.textContent = | |
| 361 localStrings.getString('use_this_for_spell_checking'); | |
| 362 spellCheckLanguageButton.className = ''; | |
| 363 spellCheckLanguageButton.languageCode = languageCode; | |
| 364 // Add an event listner to the click event. | |
| 365 spellCheckLanguageButton.addEventListener('click', | |
| 366 this.handleSpellCheckLanguageButtonClick_.bind(this)); | |
| 367 } else { | |
| 368 // If the language is not supported as spell check language, the | |
| 369 // button just says that this language cannot be used for spell | |
| 370 // checking. | |
| 371 spellCheckLanguageButton.textContent = | |
| 372 localStrings.getString('cannot_be_used_for_spell_checking'); | |
| 373 spellCheckLanguageButton.className = 'text-button'; | |
| 374 spellCheckLanguageButton.onclick = undefined; | |
| 375 } | |
| 376 spellCheckLanguageButton.style.display = 'block'; | |
| 377 $('language-options-ui-notification-bar').style.display = 'none'; | |
| 378 }, | |
| 379 | |
| 380 /** | |
| 381 * Updates the input method list. | |
| 382 * @param {string} languageCode Language code (ex. "fr"). | |
| 383 * @private | |
| 384 */ | |
| 385 updateInputMethodList_: function(languageCode) { | |
| 386 // Give one of the checkboxes or buttons focus, if it's specified in the | |
| 387 // URL hash (ex. focus=mozc). Used for automated testing. | |
| 388 var focusInputMethodId = -1; | |
| 389 var match = document.location.hash.match(/\bfocus=([\w:-]+)\b/); | |
| 390 if (match) { | |
| 391 focusInputMethodId = match[1]; | |
| 392 } | |
| 393 // Change the visibility of the input method list. Input methods that | |
| 394 // matches |languageCode| will become visible. | |
| 395 var inputMethodList = $('language-options-input-method-list'); | |
| 396 var labels = inputMethodList.querySelectorAll('label'); | |
| 397 for (var i = 0; i < labels.length; i++) { | |
| 398 var label = labels[i]; | |
| 399 if (languageCode in label.languageCodeSet) { | |
| 400 label.style.display = 'block'; | |
| 401 var input = label.childNodes[0]; | |
| 402 // Give it focus if the ID matches. | |
| 403 if (input.inputMethodId == focusInputMethodId) { | |
| 404 input.focus(); | |
| 405 } | |
| 406 } else { | |
| 407 label.style.display = 'none'; | |
| 408 } | |
| 409 } | |
| 410 if (focusInputMethodId == 'remove') { | |
| 411 $('language-options-remove-button').focus(); | |
| 412 } else if (focusInputMethodId == 'add') { | |
| 413 $('language-options-add-button').focus(); | |
| 414 } | |
| 415 }, | |
| 416 | |
| 417 /** | |
| 418 * Updates the language list in the add language overlay. | |
| 419 * @param {string} languageCode Language code (ex. "fr"). | |
| 420 * @private | |
| 421 */ | |
| 422 updateLanguageListInAddLanguageOverlay_: function(languageCode) { | |
| 423 // Change the visibility of the language list in the add language | |
| 424 // overlay. Languages that are already active will become invisible, | |
| 425 // so that users don't add the same language twice. | |
| 426 var languageOptionsList = $('language-options-list'); | |
| 427 var languageCodes = languageOptionsList.getLanguageCodes(); | |
| 428 var languageCodeSet = {}; | |
| 429 for (var i = 0; i < languageCodes.length; i++) { | |
| 430 languageCodeSet[languageCodes[i]] = true; | |
| 431 } | |
| 432 var addLanguageList = $('add-language-overlay-language-list'); | |
| 433 var lis = addLanguageList.querySelectorAll('li'); | |
| 434 for (var i = 0; i < lis.length; i++) { | |
| 435 // The first child button knows the language code. | |
| 436 var button = lis[i].childNodes[0]; | |
| 437 if (button.languageCode in languageCodeSet) { | |
| 438 lis[i].style.display = 'none'; | |
| 439 } else { | |
| 440 lis[i].style.display = 'block'; | |
| 441 } | |
| 442 } | |
| 443 }, | |
| 444 | |
| 445 /** | |
| 446 * Handles preloadEnginesPref change. | |
| 447 * @param {Event} e Change event. | |
| 448 * @private | |
| 449 */ | |
| 450 handlePreloadEnginesPrefChange_: function(e) { | |
| 451 var value = e.value.value; | |
| 452 this.preloadEngines_ = this.filterBadPreloadEngines_(value.split(',')); | |
| 453 this.updateCheckboxesFromPreloadEngines_(); | |
| 454 }, | |
| 455 | |
| 456 /** | |
| 457 * Handles input method checkbox's click event. | |
| 458 * @param {Event} e Click event. | |
| 459 * @private | |
| 460 */ | |
| 461 handleCheckboxClick_ : function(e) { | |
| 462 var checkbox = e.target; | |
| 463 if (this.preloadEngines_.length == 1 && !checkbox.checked) { | |
| 464 // Don't allow disabling the last input method. | |
| 465 this.showNotification_( | |
| 466 localStrings.getString('please_add_another_input_method'), | |
| 467 localStrings.getString('ok_button')); | |
| 468 checkbox.checked = true; | |
| 469 return; | |
| 470 } | |
| 471 if (checkbox.checked) { | |
| 472 chrome.send('inputMethodEnable', [checkbox.inputMethodId]); | |
| 473 } else { | |
| 474 chrome.send('inputMethodDisable', [checkbox.inputMethodId]); | |
| 475 } | |
| 476 this.updatePreloadEnginesFromCheckboxes_(); | |
| 477 this.preloadEngines_ = this.sortPreloadEngines_(this.preloadEngines_); | |
| 478 this.savePreloadEnginesPref_(); | |
| 479 }, | |
| 480 | |
| 481 /** | |
| 482 * Handles add language list's click event. | |
| 483 * @param {Event} e Click event. | |
| 484 */ | |
| 485 handleAddLanguageListClick_ : function(e) { | |
| 486 var languageOptionsList = $('language-options-list'); | |
| 487 var languageCode = e.target.languageCode; | |
| 488 // languageCode can be undefined, if click was made on some random | |
| 489 // place in the overlay, rather than a button. Ignore it. | |
| 490 if (!languageCode) { | |
| 491 return; | |
| 492 } | |
| 493 languageOptionsList.addLanguage(languageCode); | |
| 494 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[languageCode]; | |
| 495 // Enable the first input method for the language added. | |
| 496 if (inputMethodIds && inputMethodIds[0] && | |
| 497 // Don't add the input method it's already present. This can | |
| 498 // happen if the same input method is shared among multiple | |
| 499 // languages (ex. English US keyboard is used for English US and | |
| 500 // Filipino). | |
| 501 this.preloadEngines_.indexOf(inputMethodIds[0]) == -1) { | |
| 502 this.preloadEngines_.push(inputMethodIds[0]); | |
| 503 this.updateCheckboxesFromPreloadEngines_(); | |
| 504 this.savePreloadEnginesPref_(); | |
| 505 } | |
| 506 OptionsPage.clearOverlays(); | |
| 507 }, | |
| 508 | |
| 509 /** | |
| 510 * Handles remove button's click event. | |
| 511 * @param {Event} e Click event. | |
| 512 */ | |
| 513 handleRemoveButtonClick_: function(e) { | |
| 514 var languageOptionsList = $('language-options-list'); | |
| 515 var languageCode = languageOptionsList.getSelectedLanguageCode(); | |
| 516 // Don't allow removing the language if it's as UI language. | |
| 517 if (languageCode == templateData.currentUiLanguageCode) { | |
| 518 this.showNotification_( | |
| 519 localStrings.getString('this_language_is_currently_in_use'), | |
| 520 localStrings.getString('ok_button')); | |
| 521 return; | |
| 522 } | |
| 523 // Disable input methods associated with |languageCode|. | |
| 524 // Don't allow removing the language if cerntain conditions are met. | |
| 525 // See removePreloadEnginesByLanguageCode_() for details. | |
| 526 if (!this.removePreloadEnginesByLanguageCode_(languageCode)) { | |
| 527 this.showNotification_( | |
| 528 localStrings.getString('please_add_another_language'), | |
| 529 localStrings.getString('ok_button')); | |
| 530 return; | |
| 531 } | |
| 532 languageOptionsList.removeSelectedLanguage(); | |
| 533 }, | |
| 534 | |
| 535 /** | |
| 536 * Handles spellCheckDictionaryPref change. | |
| 537 * @param {Event} e Change event. | |
| 538 * @private | |
| 539 */ | |
| 540 handleSpellCheckDictionaryPrefChange_: function(e) { | |
| 541 var languageCode = e.value.value | |
| 542 this.spellCheckDictionary_ = languageCode; | |
| 543 var languageOptionsList = $('language-options-list'); | |
| 544 var selectedLanguageCode = languageOptionsList.getSelectedLanguageCode(); | |
| 545 this.updateSpellCheckLanguageButton_(selectedLanguageCode); | |
| 546 }, | |
| 547 | |
| 548 /** | |
| 549 * Handles spellCheckLanguageButton click. | |
| 550 * @param {Event} e Click event. | |
| 551 * @private | |
| 552 */ | |
| 553 handleSpellCheckLanguageButtonClick_: function(e) { | |
| 554 var languageCode = e.target.languageCode; | |
| 555 // Save the preference. | |
| 556 Preferences.setStringPref(this.spellCheckDictionaryPref, | |
| 557 languageCode); | |
| 558 chrome.send('spellCheckLanguageChange', [languageCode]); | |
| 559 }, | |
| 560 | |
| 561 /** | |
| 562 * Removes preload engines associated with the given language code. | |
| 563 * However, this function does not remove engines (input methods) that | |
| 564 * are used for other active languages. For instance, if "xkb:us::eng" | |
| 565 * is used for English and Filipino, and the two languages are active, | |
| 566 * this function does not remove "xkb:us::eng" when either of these | |
| 567 * languages is removed. Instead, it'll remove "xkb:us::eng" when the | |
| 568 * both languages are gone. | |
| 569 * | |
| 570 * @param {string} languageCode Language code (ex. "fr"). | |
| 571 * @return {boolean} Returns true on success. | |
| 572 * @private | |
| 573 */ | |
| 574 removePreloadEnginesByLanguageCode_: function(languageCode) { | |
| 575 // First create the set of engines to be removed from input methods | |
| 576 // associated with the language code. | |
| 577 var enginesToBeRemovedSet = {}; | |
| 578 var inputMethodIds = this.languageCodeToInputMethodIdsMap_[languageCode]; | |
| 579 for (var i = 0; i < inputMethodIds.length; i++) { | |
| 580 enginesToBeRemovedSet[inputMethodIds[i]] = true; | |
| 581 } | |
| 582 | |
| 583 // Then eliminate engines that are also used for other active languages. | |
| 584 var languageCodes = $('language-options-list').getLanguageCodes(); | |
| 585 for (var i = 0; i < languageCodes.length; i++) { | |
| 586 // Skip the target language code. | |
| 587 if (languageCodes[i] == languageCode) { | |
| 588 continue; | |
| 589 } | |
| 590 // Check if input methods used in this language are included in | |
| 591 // enginesToBeRemovedSet. If so, eliminate these from the set, so | |
| 592 // we don't remove this time. | |
| 593 var inputMethodIdsForAnotherLanguage = | |
| 594 this.languageCodeToInputMethodIdsMap_[languageCodes[i]]; | |
| 595 for (var j = 0; j < inputMethodIdsForAnotherLanguage.length; j++) { | |
| 596 var inputMethodId = inputMethodIdsForAnotherLanguage[j]; | |
| 597 if (inputMethodId in enginesToBeRemovedSet) { | |
| 598 delete enginesToBeRemovedSet[inputMethodId]; | |
| 599 } | |
| 600 } | |
| 601 } | |
| 602 | |
| 603 // Update the preload engine list with the to-be-removed set. | |
| 604 var newPreloadEngines = []; | |
| 605 for (var i = 0; i < this.preloadEngines_.length; i++) { | |
| 606 if (!(this.preloadEngines_[i] in enginesToBeRemovedSet)) { | |
| 607 newPreloadEngines.push(this.preloadEngines_[i]); | |
| 608 } | |
| 609 } | |
| 610 // Don't allow this operation if it causes the number of preload | |
| 611 // engines to be zero. | |
| 612 if (newPreloadEngines.length == 0) { | |
| 613 return false; | |
| 614 } | |
| 615 this.preloadEngines_ = newPreloadEngines; | |
| 616 this.savePreloadEnginesPref_(); | |
| 617 return true; | |
| 618 }, | |
| 619 | |
| 620 /** | |
| 621 * Saves the preload engines preference. | |
| 622 * @private | |
| 623 */ | |
| 624 savePreloadEnginesPref_: function() { | |
| 625 Preferences.setStringPref(this.preloadEnginesPref, | |
| 626 this.preloadEngines_.join(',')); | |
| 627 }, | |
| 628 | |
| 629 /** | |
| 630 * Updates the checkboxes in the input method list from the preload | |
| 631 * engines preference. | |
| 632 * @private | |
| 633 */ | |
| 634 updateCheckboxesFromPreloadEngines_: function() { | |
| 635 // Convert the list into a dictonary for simpler lookup. | |
| 636 var dictionary = {}; | |
| 637 for (var i = 0; i < this.preloadEngines_.length; i++) { | |
| 638 dictionary[this.preloadEngines_[i]] = true; | |
| 639 } | |
| 640 | |
| 641 var inputMethodList = $('language-options-input-method-list'); | |
| 642 var checkboxes = inputMethodList.querySelectorAll('input'); | |
| 643 for (var i = 0; i < checkboxes.length; i++) { | |
| 644 checkboxes[i].checked = (checkboxes[i].inputMethodId in dictionary); | |
| 645 } | |
| 646 }, | |
| 647 | |
| 648 /** | |
| 649 * Updates the preload engines preference from the checkboxes in the | |
| 650 * input method list. | |
| 651 * @private | |
| 652 */ | |
| 653 updatePreloadEnginesFromCheckboxes_: function() { | |
| 654 this.preloadEngines_ = []; | |
| 655 var inputMethodList = $('language-options-input-method-list'); | |
| 656 var checkboxes = inputMethodList.querySelectorAll('input'); | |
| 657 for (var i = 0; i < checkboxes.length; i++) { | |
| 658 if (checkboxes[i].checked) { | |
| 659 this.preloadEngines_.push(checkboxes[i].inputMethodId); | |
| 660 } | |
| 661 } | |
| 662 }, | |
| 663 | |
| 664 /** | |
| 665 * Filters bad preload engines in case bad preload engines are | |
| 666 * stored in the preference. Removes duplicates as well. | |
| 667 * @param {Array} preloadEngines List of preload engines. | |
| 668 * @private | |
| 669 */ | |
| 670 filterBadPreloadEngines_: function(preloadEngines) { | |
| 671 // Convert the list into a dictonary for simpler lookup. | |
| 672 var dictionary = {}; | |
| 673 for (var i = 0; i < templateData.inputMethodList.length; i++) { | |
| 674 dictionary[templateData.inputMethodList[i].id] = true; | |
| 675 } | |
| 676 | |
| 677 var filteredPreloadEngines = []; | |
| 678 var seen = {}; | |
| 679 for (var i = 0; i < preloadEngines.length; i++) { | |
| 680 // Check if the preload engine is present in the | |
| 681 // dictionary, and not duplicate. Otherwise, skip it. | |
| 682 if (preloadEngines[i] in dictionary && !(preloadEngines[i] in seen)) { | |
| 683 filteredPreloadEngines.push(preloadEngines[i]); | |
| 684 seen[preloadEngines[i]] = true; | |
| 685 } | |
| 686 } | |
| 687 return filteredPreloadEngines; | |
| 688 }, | |
| 689 | |
| 690 // TODO(kochi): This is an adapted copy from new_new_tab.js. | |
| 691 // If this will go as final UI, refactor this to share the component with | |
| 692 // new new tab page. | |
| 693 /** | |
| 694 * Shows notification | |
| 695 * @private | |
| 696 */ | |
| 697 notificationTimeout_: null, | |
| 698 showNotification_ : function(text, actionText, opt_delay) { | |
| 699 var notificationElement = $('notification'); | |
| 700 var actionLink = notificationElement.querySelector('.link-color'); | |
| 701 var delay = opt_delay || 10000; | |
| 702 | |
| 703 function show() { | |
| 704 window.clearTimeout(this.notificationTimeout_); | |
| 705 notificationElement.classList.add('show'); | |
| 706 document.body.classList.add('notification-shown'); | |
| 707 } | |
| 708 | |
| 709 function hide() { | |
| 710 window.clearTimeout(this.notificationTimeout_); | |
| 711 notificationElement.classList.remove('show'); | |
| 712 document.body.classList.remove('notification-shown'); | |
| 713 // Prevent tabbing to the hidden link. | |
| 714 actionLink.tabIndex = -1; | |
| 715 // Setting tabIndex to -1 only prevents future tabbing to it. If, | |
| 716 // however, the user switches window or a tab and then moves back to | |
| 717 // this tab the element may gain focus. We therefore make sure that we | |
| 718 // blur the element so that the element focus is not restored when | |
| 719 // coming back to this window. | |
| 720 actionLink.blur(); | |
| 721 } | |
| 722 | |
| 723 function delayedHide() { | |
| 724 this.notificationTimeout_ = window.setTimeout(hide, delay); | |
| 725 } | |
| 726 | |
| 727 notificationElement.firstElementChild.textContent = text; | |
| 728 actionLink.textContent = actionText; | |
| 729 | |
| 730 actionLink.onclick = hide; | |
| 731 actionLink.onkeydown = function(e) { | |
| 732 if (e.keyIdentifier == 'Enter') { | |
| 733 hide(); | |
| 734 } | |
| 735 }; | |
| 736 notificationElement.onmouseover = show; | |
| 737 notificationElement.onmouseout = delayedHide; | |
| 738 actionLink.onfocus = show; | |
| 739 actionLink.onblur = delayedHide; | |
| 740 // Enable tabbing to the link now that it is shown. | |
| 741 actionLink.tabIndex = 0; | |
| 742 | |
| 743 show(); | |
| 744 delayedHide(); | |
| 745 } | |
| 746 }; | |
| 747 | |
| 748 /** | |
| 749 * Chrome callback for when the UI language preference is saved. | |
| 750 */ | |
| 751 LanguageOptions.uiLanguageSaved = function() { | |
| 752 $('language-options-ui-language-button').style.display = 'none'; | |
| 753 $('language-options-ui-notification-bar').style.display = 'block'; | |
| 754 }; | |
| 755 | |
| 756 // Export | |
| 757 return { | |
| 758 LanguageOptions: LanguageOptions | |
| 759 }; | |
| 760 | |
| 761 }); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6265010:
DOMUI settings: move/rename the language options panel so that it can be use... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/