1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/components/translation/Translation.jsm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,140 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +"use strict";
1.9 +
1.10 +this.EXPORTED_SYMBOLS = ["Translation"];
1.11 +
1.12 +const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
1.13 +
1.14 +Cu.import("resource://gre/modules/Promise.jsm");
1.15 +Cu.import("resource://gre/modules/Services.jsm");
1.16 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.17 +
1.18 +this.Translation = {
1.19 + supportedSourceLanguages: ["en", "zh", "ja", "es", "de", "fr", "ru", "ar", "ko", "pt"],
1.20 + supportedTargetLanguages: ["en", "pl", "tr", "vi"],
1.21 +
1.22 + _defaultTargetLanguage: "",
1.23 + get defaultTargetLanguage() {
1.24 + if (!this._defaultTargetLanguage) {
1.25 + this._defaultTargetLanguage = Cc["@mozilla.org/chrome/chrome-registry;1"]
1.26 + .getService(Ci.nsIXULChromeRegistry)
1.27 + .getSelectedLocale("global")
1.28 + .split("-")[0];
1.29 + }
1.30 + return this._defaultTargetLanguage;
1.31 + },
1.32 +
1.33 + languageDetected: function(aBrowser, aDetectedLanguage) {
1.34 + if (this.supportedSourceLanguages.indexOf(aDetectedLanguage) != -1 &&
1.35 + aDetectedLanguage != this.defaultTargetLanguage) {
1.36 + if (!aBrowser.translationUI)
1.37 + aBrowser.translationUI = new TranslationUI(aBrowser);
1.38 +
1.39 + aBrowser.translationUI.showTranslationUI(aDetectedLanguage);
1.40 + }
1.41 + }
1.42 +};
1.43 +
1.44 +/* TranslationUI objects keep the information related to translation for
1.45 + * a specific browser. This object is passed to the translation
1.46 + * infobar so that it can initialize itself. The properties exposed to
1.47 + * the infobar are:
1.48 + * - detectedLanguage, code of the language detected on the web page.
1.49 + * - state, the state in which the infobar should be displayed
1.50 + * - STATE_{OFFER,TRANSLATING,TRANSLATED,ERROR} constants.
1.51 + * - translatedFrom, if already translated, source language code.
1.52 + * - translatedTo, if already translated, target language code.
1.53 + * - translate, method starting the translation of the current page.
1.54 + * - showOriginalContent, method showing the original page content.
1.55 + * - showTranslatedContent, method showing the translation for an
1.56 + * already translated page whose original content is shown.
1.57 + * - originalShown, boolean indicating if the original or translated
1.58 + * version of the page is shown.
1.59 + */
1.60 +function TranslationUI(aBrowser) {
1.61 + this.browser = aBrowser;
1.62 +}
1.63 +
1.64 +TranslationUI.prototype = {
1.65 + STATE_OFFER: 0,
1.66 + STATE_TRANSLATING: 1,
1.67 + STATE_TRANSLATED: 2,
1.68 + STATE_ERROR: 3,
1.69 +
1.70 + get doc() this.browser.contentDocument,
1.71 +
1.72 + translate: function(aFrom, aTo) {
1.73 + this.state = this.STATE_TRANSLATING;
1.74 + this.translatedFrom = aFrom;
1.75 + this.translatedTo = aTo;
1.76 + },
1.77 +
1.78 + showURLBarIcon: function(aTranslated) {
1.79 + let chromeWin = this.browser.ownerGlobal;
1.80 + let PopupNotifications = chromeWin.PopupNotifications;
1.81 + let removeId = aTranslated ? "translate" : "translated";
1.82 + let notification =
1.83 + PopupNotifications.getNotification(removeId, this.browser);
1.84 + if (notification)
1.85 + PopupNotifications.remove(notification);
1.86 +
1.87 + let callback = aTopic => {
1.88 + if (aTopic != "showing")
1.89 + return false;
1.90 + if (!this.notificationBox.getNotificationWithValue("translation"))
1.91 + this.showTranslationInfoBar();
1.92 + return true;
1.93 + };
1.94 +
1.95 + let addId = aTranslated ? "translated" : "translate";
1.96 + PopupNotifications.show(this.browser, addId, null,
1.97 + addId + "-notification-icon", null, null,
1.98 + {dismissed: true, eventCallback: callback});
1.99 + },
1.100 +
1.101 + _state: 0,
1.102 + get state() this._state,
1.103 + set state(val) {
1.104 + let notif = this.notificationBox.getNotificationWithValue("translation");
1.105 + if (notif)
1.106 + notif.state = val;
1.107 + this._state = val;
1.108 + },
1.109 +
1.110 + originalShown: true,
1.111 + showOriginalContent: function() {
1.112 + this.showURLBarIcon();
1.113 + this.originalShown = true;
1.114 + },
1.115 +
1.116 + showTranslatedContent: function() {
1.117 + this.showURLBarIcon(true);
1.118 + this.originalShown = false;
1.119 + },
1.120 +
1.121 + get notificationBox() this.browser.ownerGlobal.gBrowser.getNotificationBox(),
1.122 +
1.123 + showTranslationInfoBar: function() {
1.124 + let notificationBox = this.notificationBox;
1.125 + let notif = notificationBox.appendNotification("", "translation", null,
1.126 + notificationBox.PRIORITY_INFO_HIGH);
1.127 + notif.init(this);
1.128 + return notif;
1.129 + },
1.130 +
1.131 + showTranslationUI: function(aDetectedLanguage) {
1.132 + this.detectedLanguage = aDetectedLanguage;
1.133 +
1.134 + // Reset all values before showing a new translation infobar.
1.135 + this.state = 0;
1.136 + this.translatedFrom = "";
1.137 + this.translatedTo = "";
1.138 + this.originalShown = true;
1.139 +
1.140 + this.showURLBarIcon();
1.141 + return this.showTranslationInfoBar();
1.142 + }
1.143 +};
