pjs/mobile/xul/chrome/content/CharsetMenu.js

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4.3 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Mobile Browser.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Wes Johnston <wjohnston@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var CharsetMenu = {
_strings: null,
_charsets: null,
get strings() {
if (!this._strings)
this._strings = Services.strings.createBundle("chrome://global/locale/charsetTitles.properties");
return this._strings;
},
init: function() {
PageActions.register("pageaction-charset", this.updatePageAction, this);
},
updatePageAction: function(aNode) {
let pref = Services.prefs.getComplexValue("browser.menu.showCharacterEncoding", Ci.nsIPrefLocalizedString).data;
if (pref == "true") {
let charset = getBrowser().docShell.forcedCharset;
if (charset) {
charset = charset.toString();
charset = charset.trim().toLowerCase();
aNode.setAttribute("description", this.strings.GetStringFromName(charset + ".title"));
} else if (aNode.hasAttribute("description")) {
aNode.removeAttribute("description");
}
}
return ("true" == pref)
},
_toMenuItems: function(aCharsets, aCurrent) {
let ret = [];
aCharsets.forEach(function (aSet) {
try {
let string = aSet.trim().toLowerCase();
ret.push({
label: this.strings.GetStringFromName(string + ".title"),
value: string,
selected: (string == aCurrent)
});
} catch(ex) { }
}, this);
return ret;
},
menu : {
dispatchEvent: function(aEvent) {
if (aEvent.type == "command")
CharsetMenu.setCharset(this.menupopup.children[this.selectedIndex].value);
},
menupopup: {
hasAttribute: function(aAttr) { return false; },
},
selectedIndex: -1
},
get charsets() {
if (!this._charsets) {
this._charsets = Services.prefs.getComplexValue("intl.charsetmenu.browser.static", Ci.nsIPrefLocalizedString).data.split(",");
}
let charsets = this._charsets;
let currentCharset = getBrowser().docShell.forcedCharset;
if (currentCharset) {
currentCharset = currentCharset.toString();
currentCharset = currentCharset.trim().toLowerCase();
if (charsets.indexOf(currentCharset) == -1)
charsets.splice(0, 0, currentCharset);
}
return this._toMenuItems(charsets, currentCharset);
},
show: function showCharsetMenu() {
this.menu.menupopup.children = this.charsets;
MenuListHelperUI.show(this.menu);
},
setCharset: function setCharset(aCharset) {
let browser = getBrowser();
browser.messageManager.sendAsyncMessage("Browser:SetCharset", {
charset: aCharset
});
let history = Cc["@mozilla.org/browser/nav-history-service;1"].getService(Ci.nsINavHistoryService);
history.setCharsetForURI(browser.documentURI, aCharset);
}
};