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-rw-r--r--browser/components/preferences/translation.js255
1 files changed, 255 insertions, 0 deletions
diff --git a/browser/components/preferences/translation.js b/browser/components/preferences/translation.js
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+++ b/browser/components/preferences/translation.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
+/* 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/. */
+
+"use strict";
+
+var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+XPCOMUtils.defineLazyGetter(this, "gLangBundle", () =>
+ Services.strings.createBundle("chrome://global/locale/languageNames.properties"));
+
+const kPermissionType = "translate";
+const kLanguagesPref = "browser.translation.neverForLanguages";
+
+function Tree(aId, aData)
+{
+ this._data = aData;
+ this._tree = document.getElementById(aId);
+ this._tree.view = this;
+}
+
+Tree.prototype = {
+ get boxObject() {
+ return this._tree.treeBoxObject;
+ },
+ get isEmpty() {
+ return !this._data.length;
+ },
+ get hasSelection() {
+ return this.selection.count > 0;
+ },
+ getSelectedItems: function() {
+ let result = [];
+
+ let rc = this.selection.getRangeCount();
+ for (let i = 0; i < rc; ++i) {
+ let min = {}, max = {};
+ this.selection.getRangeAt(i, min, max);
+ for (let j = min.value; j <= max.value; ++j)
+ result.push(this._data[j]);
+ }
+
+ return result;
+ },
+
+ // nsITreeView implementation
+ get rowCount() {
+ return this._data.length;
+ },
+ getCellText: function (aRow, aColumn) {
+ return this._data[aRow];
+ },
+ isSeparator: function(aIndex) {
+ return false;
+ },
+ isSorted: function() {
+ return false;
+ },
+ isContainer: function(aIndex) {
+ return false;
+ },
+ setTree: function(aTree) {},
+ getImageSrc: function(aRow, aColumn) {},
+ getProgressMode: function(aRow, aColumn) {},
+ getCellValue: function(aRow, aColumn) {},
+ cycleHeader: function(column) {},
+ getRowProperties: function(row) {
+ return "";
+ },
+ getColumnProperties: function(column) {
+ return "";
+ },
+ getCellProperties: function(row, column) {
+ return "";
+ },
+ QueryInterface: XPCOMUtils.generateQI([Ci.nsITreeView])
+};
+
+function Lang(aCode)
+{
+ this.langCode = aCode;
+ this._label = gLangBundle.GetStringFromName(aCode);
+}
+
+Lang.prototype = {
+ toString: function() {
+ return this._label;
+ }
+}
+
+var gTranslationExceptions = {
+ onLoad: function() {
+ if (this._siteTree) {
+ // Re-using an open dialog, clear the old observers.
+ this.uninit();
+ }
+
+ // Load site permissions into an array.
+ this._sites = [];
+ let enumerator = Services.perms.enumerator;
+ while (enumerator.hasMoreElements()) {
+ let perm = enumerator.getNext().QueryInterface(Ci.nsIPermission);
+
+ if (perm.type == kPermissionType &&
+ perm.capability == Services.perms.DENY_ACTION) {
+ this._sites.push(perm.principal.origin);
+ }
+ }
+ Services.obs.addObserver(this, "perm-changed", false);
+ this._sites.sort();
+
+ this._siteTree = new Tree("sitesTree", this._sites);
+ this.onSiteSelected();
+
+ this._langs = this.getLanguageExceptions();
+ Services.prefs.addObserver(kLanguagesPref, this, false);
+ this._langTree = new Tree("languagesTree", this._langs);
+ this.onLanguageSelected();
+ },
+
+ // Get the list of languages we don't translate as an array.
+ getLanguageExceptions: function() {
+ let langs = Services.prefs.getCharPref(kLanguagesPref);
+ if (!langs)
+ return [];
+
+ let result = langs.split(",").map(code => new Lang(code));
+ result.sort();
+
+ return result;
+ },
+
+ observe: function(aSubject, aTopic, aData) {
+ if (aTopic == "perm-changed") {
+ if (aData == "cleared") {
+ if (!this._sites.length)
+ return;
+ let removed = this._sites.splice(0, this._sites.length);
+ this._siteTree.boxObject.rowCountChanged(0, - removed.length);
+ }
+ else {
+ let perm = aSubject.QueryInterface(Ci.nsIPermission);
+ if (perm.type != kPermissionType)
+ return;
+
+ if (aData == "added") {
+ if (perm.capability != Services.perms.DENY_ACTION)
+ return;
+ this._sites.push(perm.principal.origin);
+ this._sites.sort();
+ let boxObject = this._siteTree.boxObject;
+ boxObject.rowCountChanged(0, 1);
+ boxObject.invalidate();
+ }
+ else if (aData == "deleted") {
+ let index = this._sites.indexOf(perm.principal.origin);
+ if (index == -1)
+ return;
+ this._sites.splice(index, 1);
+ this._siteTree.boxObject.rowCountChanged(index, -1);
+ this.onSiteSelected();
+ return;
+ }
+ }
+ this.onSiteSelected();
+ }
+ else if (aTopic == "nsPref:changed") {
+ this._langs = this.getLanguageExceptions();
+ let change = this._langs.length - this._langTree.rowCount;
+ this._langTree._data = this._langs;
+ let boxObject = this._langTree.boxObject;
+ if (change)
+ boxObject.rowCountChanged(0, change);
+ boxObject.invalidate();
+ this.onLanguageSelected();
+ }
+ },
+
+ _handleButtonDisabling: function(aTree, aIdPart) {
+ let empty = aTree.isEmpty;
+ document.getElementById("removeAll" + aIdPart + "s").disabled = empty;
+ document.getElementById("remove" + aIdPart).disabled =
+ empty || !aTree.hasSelection;
+ },
+
+ onLanguageSelected: function() {
+ this._handleButtonDisabling(this._langTree, "Language");
+ },
+
+ onSiteSelected: function() {
+ this._handleButtonDisabling(this._siteTree, "Site");
+ },
+
+ onLanguageDeleted: function() {
+ let langs = Services.prefs.getCharPref(kLanguagesPref);
+ if (!langs)
+ return;
+
+ let removed = this._langTree.getSelectedItems().map(l => l.langCode);
+
+ langs = langs.split(",").filter(l => removed.indexOf(l) == -1);
+ Services.prefs.setCharPref(kLanguagesPref, langs.join(","));
+ },
+
+ onAllLanguagesDeleted: function() {
+ Services.prefs.setCharPref(kLanguagesPref, "");
+ },
+
+ onSiteDeleted: function() {
+ let removedSites = this._siteTree.getSelectedItems();
+ for (let origin of removedSites) {
+ let principal = Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin);
+ Services.perms.removeFromPrincipal(principal, kPermissionType);
+ }
+ },
+
+ onAllSitesDeleted: function() {
+ if (this._siteTree.isEmpty)
+ return;
+
+ let removedSites = this._sites.splice(0, this._sites.length);
+ this._siteTree.boxObject.rowCountChanged(0, -removedSites.length);
+
+ for (let origin of removedSites) {
+ let principal = Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin);
+ Services.perms.removeFromPrincipal(principal, kPermissionType);
+ }
+
+ this.onSiteSelected();
+ },
+
+ onSiteKeyPress: function(aEvent) {
+ if (aEvent.keyCode == KeyEvent.DOM_VK_DELETE)
+ this.onSiteDeleted();
+ },
+
+ onLanguageKeyPress: function(aEvent) {
+ if (aEvent.keyCode == KeyEvent.DOM_VK_DELETE)
+ this.onLanguageDeleted();
+ },
+
+ onWindowKeyPress: function(aEvent) {
+ if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE)
+ window.close();
+ },
+
+ uninit: function() {
+ Services.obs.removeObserver(this, "perm-changed");
+ Services.prefs.removeObserver(kLanguagesPref, this);
+ }
+};