forked from mirrors/gecko-dev
		
	 597134aa66
			
		
	
	
		597134aa66
		
	
	
	
	
		
			
			Differential Revision: https://phabricator.services.mozilla.com/D8909 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			515 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			515 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* This Source Code Form is subject to the terms of the Mozilla Public
 | |
|  * License, v. 2.0. If a copy of the MPL was not distributed with this
 | |
|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 | |
| 
 | |
| /* import-globals-from ../../../toolkit/content/preferencesBindings.js */
 | |
| 
 | |
| ChromeUtils.import("resource://gre/modules/Services.jsm");
 | |
| 
 | |
| ChromeUtils.defineModuleGetter(this, "AddonManager",
 | |
|                                "resource://gre/modules/AddonManager.jsm");
 | |
| ChromeUtils.defineModuleGetter(this, "AddonRepository",
 | |
|                                "resource://gre/modules/addons/AddonRepository.jsm");
 | |
| ChromeUtils.defineModuleGetter(this, "RemoteSettings",
 | |
|                                "resource://services-settings/remote-settings.js");
 | |
| 
 | |
| async function installFromUrl(url, hash) {
 | |
|   let install = await AddonManager.getInstallForURL(
 | |
|     url, "application/x-xpinstall", hash);
 | |
|   return install.install();
 | |
| }
 | |
| 
 | |
| async function dictionaryIdsForLocale(locale) {
 | |
|   let entries = await RemoteSettings("language-dictionaries").get({
 | |
|     filters: {id: locale},
 | |
|   });
 | |
|   if (entries.length > 0) {
 | |
|     return entries[0].dictionaries;
 | |
|   }
 | |
|   return [];
 | |
| }
 | |
| 
 | |
| class OrderedListBox {
 | |
|   constructor({richlistbox, upButton, downButton, removeButton, onRemove}) {
 | |
|     this.richlistbox = richlistbox;
 | |
|     this.upButton = upButton;
 | |
|     this.downButton = downButton;
 | |
|     this.removeButton = removeButton;
 | |
|     this.onRemove = onRemove;
 | |
| 
 | |
|     this.items = [];
 | |
| 
 | |
|     this.richlistbox.addEventListener("select", () => this.setButtonState());
 | |
|     this.upButton.addEventListener("command", () => this.moveUp());
 | |
|     this.downButton.addEventListener("command", () => this.moveDown());
 | |
|     this.removeButton.addEventListener("command", () => this.removeItem());
 | |
|   }
 | |
| 
 | |
|   get selectedItem() {
 | |
|     return this.items[this.richlistbox.selectedIndex];
 | |
|   }
 | |
| 
 | |
|   setButtonState() {
 | |
|     let {upButton, downButton, removeButton} = this;
 | |
|     let {selectedIndex, itemCount} = this.richlistbox;
 | |
|     upButton.disabled = selectedIndex == 0;
 | |
|     downButton.disabled = selectedIndex == itemCount - 1;
 | |
|     removeButton.disabled = itemCount == 1 || !this.selectedItem.canRemove;
 | |
|   }
 | |
| 
 | |
|   moveUp() {
 | |
|     let {selectedIndex} = this.richlistbox;
 | |
|     if (selectedIndex == 0) {
 | |
|       return;
 | |
|     }
 | |
|     let {items} = this;
 | |
|     let selectedItem = items[selectedIndex];
 | |
|     let prevItem = items[selectedIndex - 1];
 | |
|     items[selectedIndex - 1] = items[selectedIndex];
 | |
|     items[selectedIndex] = prevItem;
 | |
|     let prevEl = document.getElementById(prevItem.id);
 | |
|     let selectedEl = document.getElementById(selectedItem.id);
 | |
|     this.richlistbox.insertBefore(selectedEl, prevEl);
 | |
|     this.richlistbox.ensureElementIsVisible(selectedEl);
 | |
|     this.setButtonState();
 | |
|   }
 | |
| 
 | |
|   moveDown() {
 | |
|     let {selectedIndex} = this.richlistbox;
 | |
|     if (selectedIndex == this.items.length - 1) {
 | |
|       return;
 | |
|     }
 | |
|     let {items} = this;
 | |
|     let selectedItem = items[selectedIndex];
 | |
|     let nextItem = items[selectedIndex + 1];
 | |
|     items[selectedIndex + 1] = items[selectedIndex];
 | |
|     items[selectedIndex] = nextItem;
 | |
|     let nextEl = document.getElementById(nextItem.id);
 | |
|     let selectedEl = document.getElementById(selectedItem.id);
 | |
|     this.richlistbox.insertBefore(nextEl, selectedEl);
 | |
|     this.richlistbox.ensureElementIsVisible(selectedEl);
 | |
|     this.setButtonState();
 | |
|   }
 | |
| 
 | |
|   removeItem() {
 | |
|     let {selectedIndex} = this.richlistbox;
 | |
| 
 | |
|     if (selectedIndex == -1) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     let [item] = this.items.splice(selectedIndex, 1);
 | |
|     this.richlistbox.selectedItem.remove();
 | |
|     this.richlistbox.selectedIndex = Math.min(
 | |
|       selectedIndex, this.richlistbox.itemCount - 1);
 | |
|     this.richlistbox.ensureElementIsVisible(this.richlistbox.selectedItem);
 | |
|     this.onRemove(item);
 | |
|   }
 | |
| 
 | |
|   setItems(items) {
 | |
|     this.items = items;
 | |
|     this.populate();
 | |
|     this.setButtonState();
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Add an item to the top of the ordered list.
 | |
|    *
 | |
|    * @param {object} item The item to insert.
 | |
|    */
 | |
|   addItem(item) {
 | |
|     this.items.unshift(item);
 | |
|     this.richlistbox.insertBefore(
 | |
|       this.createItem(item),
 | |
|       this.richlistbox.firstElementChild);
 | |
|     this.richlistbox.selectedIndex = 0;
 | |
|     this.richlistbox.ensureElementIsVisible(this.richlistbox.selectedItem);
 | |
|   }
 | |
| 
 | |
|   populate() {
 | |
|     this.richlistbox.textContent = "";
 | |
| 
 | |
|     let frag = document.createDocumentFragment();
 | |
|     for (let item of this.items) {
 | |
|       frag.appendChild(this.createItem(item));
 | |
|     }
 | |
|     this.richlistbox.appendChild(frag);
 | |
| 
 | |
|     this.richlistbox.selectedIndex = 0;
 | |
|     this.richlistbox.ensureElementIsVisible(this.richlistbox.selectedItem);
 | |
|   }
 | |
| 
 | |
|   createItem({id, label, value}) {
 | |
|     let listitem = document.createElement("richlistitem");
 | |
|     listitem.id = id;
 | |
|     listitem.setAttribute("value", value);
 | |
| 
 | |
|     let labelEl = document.createElement("label");
 | |
|     labelEl.textContent = label;
 | |
|     listitem.appendChild(labelEl);
 | |
| 
 | |
|     return listitem;
 | |
|   }
 | |
| }
 | |
| 
 | |
| class SortedItemSelectList {
 | |
|   constructor({menulist, button, onSelect, onChange, compareFn}) {
 | |
|     this.menulist = menulist;
 | |
|     this.popup = menulist.firstElementChild;
 | |
|     this.button = button;
 | |
|     this.compareFn = compareFn;
 | |
|     this.items = [];
 | |
| 
 | |
|     menulist.addEventListener("command", () => {
 | |
|       button.disabled = !menulist.selectedItem;
 | |
|       if (menulist.selectedItem) {
 | |
|         onChange(this.items[menulist.selectedIndex]);
 | |
|       }
 | |
|     });
 | |
|     button.addEventListener("command", () => {
 | |
|       if (!menulist.selectedItem) return;
 | |
| 
 | |
|       let [item] = this.items.splice(menulist.selectedIndex, 1);
 | |
|       menulist.selectedItem.remove();
 | |
|       menulist.setAttribute("label", menulist.getAttribute("placeholder"));
 | |
|       button.disabled = true;
 | |
|       menulist.disabled = menulist.itemCount == 0;
 | |
|       menulist.selectedIndex = -1;
 | |
| 
 | |
|       onSelect(item);
 | |
|     });
 | |
|   }
 | |
| 
 | |
|   setItems(items) {
 | |
|     this.items = items.sort(this.compareFn);
 | |
|     this.populate();
 | |
|   }
 | |
| 
 | |
|   populate() {
 | |
|     let {button, items, menulist, popup} = this;
 | |
|     popup.textContent = "";
 | |
| 
 | |
|     let frag = document.createDocumentFragment();
 | |
|     for (let item of items) {
 | |
|       frag.appendChild(this.createItem(item));
 | |
|     }
 | |
|     popup.appendChild(frag);
 | |
| 
 | |
|     menulist.setAttribute("label", menulist.getAttribute("placeholder"));
 | |
|     menulist.disabled = menulist.itemCount == 0;
 | |
|     menulist.selectedIndex = -1;
 | |
|     button.disabled = true;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Add an item to the list sorted by the label.
 | |
|    *
 | |
|    * @param {object} item The item to insert.
 | |
|    */
 | |
|   addItem(item) {
 | |
|     let {compareFn, items, menulist, popup} = this;
 | |
| 
 | |
|     // Find the index of the item to insert before.
 | |
|     let i = items.findIndex(el => compareFn(el, item) < 0);
 | |
|     items.splice(i, 0, item);
 | |
|     popup.insertBefore(this.createItem(item), menulist.getItemAtIndex(i));
 | |
| 
 | |
|     menulist.disabled = menulist.itemCount == 0;
 | |
|   }
 | |
| 
 | |
|   createItem({label, value, className, disabled}) {
 | |
|     let item = document.createElement("menuitem");
 | |
|     item.value = value;
 | |
|     item.setAttribute("label", label);
 | |
|     if (className)
 | |
|       item.classList.add(className);
 | |
|     if (disabled)
 | |
|       item.setAttribute("disabled", "true");
 | |
|     return item;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Disable the inputs and set a data-l10n-id on the menulist. This can be
 | |
|    * reverted with `enableWithMessageId()`.
 | |
|    */
 | |
|   disableWithMessageId(messageId) {
 | |
|     this.menulist.setAttribute("data-l10n-id", messageId);
 | |
|     this.menulist.setAttribute("image", "chrome://browser/skin/tabbrowser/tab-connecting.png");
 | |
|     this.menulist.disabled = true;
 | |
|     this.button.disabled = true;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * Enable the inputs and set a data-l10n-id on the menulist. This can be
 | |
|    * reverted with `disableWithMessageId()`.
 | |
|    */
 | |
|   enableWithMessageId(messageId) {
 | |
|     this.menulist.setAttribute("data-l10n-id", messageId);
 | |
|     this.menulist.removeAttribute("image");
 | |
|     this.menulist.disabled = this.menulist.itemCount == 0;
 | |
|     this.button.disabled = !this.menulist.selectedItem;
 | |
|   }
 | |
| }
 | |
| 
 | |
| function getLocaleDisplayInfo(localeCodes) {
 | |
|   let availableLocales = new Set(Services.locale.availableLocales);
 | |
|   let packagedLocales = new Set(Services.locale.packagedLocales);
 | |
|   let localeNames = Services.intl.getLocaleDisplayNames(undefined, localeCodes);
 | |
|   return localeCodes.map((code, i) => {
 | |
|     return {
 | |
|       id: "locale-" + code,
 | |
|       label: localeNames[i],
 | |
|       value: code,
 | |
|       canRemove: !packagedLocales.has(code),
 | |
|       installed: availableLocales.has(code),
 | |
|     };
 | |
|   });
 | |
| }
 | |
| 
 | |
| function compareItems(a, b) {
 | |
|   // Sort by installed.
 | |
|   if (a.installed != b.installed) {
 | |
|     return a.installed ? -1 : 1;
 | |
| 
 | |
|   // The search label is always last.
 | |
|   } else if (a.value == "search") {
 | |
|     return 1;
 | |
|   } else if (b.value == "search") {
 | |
|     return -1;
 | |
| 
 | |
|   // If both items are locales, sort by label.
 | |
|   } else if (a.value && b.value) {
 | |
|     return a.label.localeCompare(b.label);
 | |
| 
 | |
|   // One of them is a label, put it first.
 | |
|   } else if (a.value) {
 | |
|     return 1;
 | |
|   }
 | |
|   return -1;
 | |
| }
 | |
| 
 | |
| var gBrowserLanguagesDialog = {
 | |
|   _availableLocales: null,
 | |
|   _requestedLocales: null,
 | |
|   requestedLocales: null,
 | |
| 
 | |
|   get downloadEnabled() {
 | |
|     // Downloading langpacks isn't always supported, check the pref.
 | |
|     return Services.prefs.getBoolPref("intl.multilingual.downloadEnabled");
 | |
|   },
 | |
| 
 | |
|   beforeAccept() {
 | |
|     this.requestedLocales = this.getRequestedLocales();
 | |
|     return true;
 | |
|   },
 | |
| 
 | |
|   async onLoad() {
 | |
|     // Maintain the previously requested locales even if we cancel out.
 | |
|     let {requesting, search} = window.arguments[0] || {};
 | |
|     this.requestedLocales = requesting;
 | |
| 
 | |
|     let requested = this.requestedLocales || Services.locale.requestedLocales;
 | |
|     let requestedSet = new Set(requested);
 | |
|     let available = Services.locale.availableLocales
 | |
|       .filter(locale => !requestedSet.has(locale));
 | |
| 
 | |
|     this.initRequestedLocales(requested);
 | |
|     await this.initAvailableLocales(available, search);
 | |
|     this.initialized = true;
 | |
|   },
 | |
| 
 | |
|   initRequestedLocales(requested) {
 | |
|     this._requestedLocales = new OrderedListBox({
 | |
|       richlistbox: document.getElementById("requestedLocales"),
 | |
|       upButton: document.getElementById("up"),
 | |
|       downButton: document.getElementById("down"),
 | |
|       removeButton: document.getElementById("remove"),
 | |
|       onRemove: (item) => this.requestedLocaleRemoved(item),
 | |
|     });
 | |
|     this._requestedLocales.setItems(getLocaleDisplayInfo(requested));
 | |
|   },
 | |
| 
 | |
|   async initAvailableLocales(available, search) {
 | |
|     this._availableLocales = new SortedItemSelectList({
 | |
|       menulist: document.getElementById("availableLocales"),
 | |
|       button: document.getElementById("add"),
 | |
|       compareFn: compareItems,
 | |
|       onSelect: (item) => this.availableLanguageSelected(item),
 | |
|       onChange: (item) => {
 | |
|         this.hideError();
 | |
|         if (item.value == "search") {
 | |
|           this.loadLocalesFromAMO();
 | |
|         }
 | |
|       },
 | |
|     });
 | |
| 
 | |
|     // Populate the list with the installed locales even if the user is
 | |
|     // searching in case the download fails.
 | |
|     await this.loadLocalesFromInstalled(available);
 | |
| 
 | |
|     // If the user opened this from the "Search for more languages" option,
 | |
|     // search AMO for available locales.
 | |
|     if (search) {
 | |
|       return this.loadLocalesFromAMO();
 | |
|     }
 | |
| 
 | |
|     return undefined;
 | |
|   },
 | |
| 
 | |
|   async loadLocalesFromAMO() {
 | |
|     if (!this.downloadEnabled) {
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     // Disable the dropdown while we hit the network.
 | |
|     this._availableLocales.disableWithMessageId("browser-languages-searching");
 | |
| 
 | |
|     // Fetch the available langpacks from AMO.
 | |
|     let availableLangpacks;
 | |
|     try {
 | |
|       availableLangpacks = await AddonRepository.getAvailableLangpacks();
 | |
|     } catch (e) {
 | |
|       this.showError();
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     // Store the available langpack info for later use.
 | |
|     this.availableLangpacks = new Map();
 | |
|     for (let {target_locale, url, hash} of availableLangpacks) {
 | |
|       this.availableLangpacks.set(target_locale, {url, hash});
 | |
|     }
 | |
| 
 | |
|     // Create a list of installed locales to hide.
 | |
|     let installedLocales = new Set([
 | |
|       ...Services.locale.requestedLocales,
 | |
|       ...Services.locale.availableLocales,
 | |
|     ]);
 | |
| 
 | |
|     let availableLocales = availableLangpacks
 | |
|       .filter(({target_locale}) => !installedLocales.has(target_locale))
 | |
|       .map(lang => lang.target_locale);
 | |
|     let availableItems = getLocaleDisplayInfo(availableLocales);
 | |
|     availableItems.push({
 | |
|       label: await document.l10n.formatValue("browser-languages-available-label"),
 | |
|       className: "label-item",
 | |
|       disabled: true,
 | |
|       installed: false,
 | |
|     });
 | |
|     let items = this._availableLocales.items;
 | |
|     // Drop the search item.
 | |
|     items.pop();
 | |
|     items = items.concat(availableItems);
 | |
| 
 | |
|     // Update the dropdown and enable it again.
 | |
|     this._availableLocales.setItems(items);
 | |
|     this._availableLocales.enableWithMessageId("browser-languages-select-language");
 | |
|   },
 | |
| 
 | |
|   async loadLocalesFromInstalled(available) {
 | |
|     let items;
 | |
|     if (available.length > 0) {
 | |
|       items = getLocaleDisplayInfo(available);
 | |
|       items.push(await this.createInstalledLabel());
 | |
|     } else {
 | |
|       items = [];
 | |
|     }
 | |
|     if (this.downloadEnabled) {
 | |
|       items.push({
 | |
|         label: await document.l10n.formatValue("browser-languages-search"),
 | |
|         value: "search",
 | |
|       });
 | |
|     }
 | |
|     this._availableLocales.setItems(items);
 | |
|   },
 | |
| 
 | |
|   async availableLanguageSelected(item) {
 | |
|     if (Services.locale.availableLocales.includes(item.value)) {
 | |
|       this.requestLocalLanguage(item);
 | |
|     } else if (this.availableLangpacks.has(item.value)) {
 | |
|       await this.requestRemoteLanguage(item);
 | |
|     } else {
 | |
|       this.showError();
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   requestLocalLanguage(item, available) {
 | |
|     this._requestedLocales.addItem(item);
 | |
|     let requestedCount = this._requestedLocales.items.length;
 | |
|     let availableCount = Services.locale.availableLocales.length;
 | |
|     if (requestedCount == availableCount) {
 | |
|       // Remove the installed label, they're all installed.
 | |
|       this._availableLocales.items.shift();
 | |
|       this._availableLocales.setItems(this._availableLocales.items);
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   async requestRemoteLanguage(item) {
 | |
|     this._availableLocales.disableWithMessageId(
 | |
|       "browser-languages-downloading");
 | |
| 
 | |
|     let {url, hash} = this.availableLangpacks.get(item.value);
 | |
| 
 | |
|     try {
 | |
|       await installFromUrl(url, hash);
 | |
|     } catch (e) {
 | |
|       this.showError();
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|     item.installed = true;
 | |
|     this._requestedLocales.addItem(item);
 | |
|     this._availableLocales.enableWithMessageId(
 | |
|       "browser-languages-select-language");
 | |
| 
 | |
|     // This is an async task that will install the recommended dictionaries for
 | |
|     // this locale. This will fail silently at least until a management UI is
 | |
|     // added in bug 1493705.
 | |
|     this.installDictionariesForLanguage(item.value);
 | |
|   },
 | |
| 
 | |
|   async installDictionariesForLanguage(locale) {
 | |
|     try {
 | |
|       let ids = await dictionaryIdsForLocale(locale);
 | |
|       let addonInfos = await AddonRepository.getAddonsByIDs(ids);
 | |
|       await Promise.all(addonInfos.map(
 | |
|         info => installFromUrl(info.sourceURI.spec)));
 | |
|     } catch (e) {
 | |
|       Cu.reportError(e);
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   showError() {
 | |
|     document.querySelectorAll(".warning-message-separator")
 | |
|       .forEach(separator => separator.classList.add("thin"));
 | |
|     document.getElementById("warning-message").hidden = false;
 | |
|     this._availableLocales.enableWithMessageId("browser-languages-select-language");
 | |
|   },
 | |
| 
 | |
|   hideError() {
 | |
|     document.querySelectorAll(".warning-message-separator")
 | |
|       .forEach(separator => separator.classList.remove("thin"));
 | |
|     document.getElementById("warning-message").hidden = true;
 | |
|   },
 | |
| 
 | |
|   getRequestedLocales() {
 | |
|     return this._requestedLocales.items.map(item => item.value);
 | |
|   },
 | |
| 
 | |
|   async requestedLocaleRemoved(item) {
 | |
|     this._availableLocales.addItem(item);
 | |
| 
 | |
|     // If the item we added is at the top of the list, it needs the label.
 | |
|     if (this._availableLocales.items[0] == item) {
 | |
|       this._availableLocales.addItem(await this.createInstalledLabel());
 | |
|     }
 | |
|   },
 | |
| 
 | |
|   async createInstalledLabel() {
 | |
|     return {
 | |
|       label: await document.l10n.formatValue("browser-languages-installed-label"),
 | |
|       className: "label-item",
 | |
|       disabled: true,
 | |
|       installed: true,
 | |
|     };
 | |
|   },
 | |
| };
 |