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/* 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";
this.EXPORTED_SYMBOLS = ["ShortcutUtils"];
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyGetter(this, "PlatformKeys", function() {
return Services.strings.createBundle(
"chrome://global-platform/locale/platformKeys.properties");
});
XPCOMUtils.defineLazyGetter(this, "Keys", function() {
return Services.strings.createBundle(
"chrome://global/locale/keys.properties");
});
var ShortcutUtils = {
/**
* Prettifies the modifier keys for an element.
*
* @param Node aElemKey
* The key element to get the modifiers from.
* @param boolean aNoCloverLeaf
* Pass true to use a descriptive string instead of the cloverleaf symbol. (OS X only)
* @return string
* A prettified and properly separated modifier keys string.
*/
prettifyShortcut: function(aElemKey, aNoCloverLeaf) {
let elemString = "";
let elemMod = aElemKey.getAttribute("modifiers");
let haveCloverLeaf = false;
if (elemMod.match("accel")) {
if (Services.appinfo.OS == "Darwin") {
// XXX bug 779642 Use "Cmd-" literal vs. cloverleaf meta-key until
// Orion adds variable height lines.
if (aNoCloverLeaf) {
elemString += "Cmd-";
} else {
haveCloverLeaf = true;
}
} else {
elemString += PlatformKeys.GetStringFromName("VK_CONTROL") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
}
if (elemMod.match("access")) {
if (Services.appinfo.OS == "Darwin") {
elemString += PlatformKeys.GetStringFromName("VK_CONTROL") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
} else {
elemString += PlatformKeys.GetStringFromName("VK_ALT") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
}
if (elemMod.match("os")) {
elemString += PlatformKeys.GetStringFromName("VK_WIN") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
if (elemMod.match("shift")) {
elemString += PlatformKeys.GetStringFromName("VK_SHIFT") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
if (elemMod.match("alt")) {
elemString += PlatformKeys.GetStringFromName("VK_ALT") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
if (elemMod.match("ctrl") || elemMod.match("control")) {
elemString += PlatformKeys.GetStringFromName("VK_CONTROL") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
if (elemMod.match("meta")) {
elemString += PlatformKeys.GetStringFromName("VK_META") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
if (haveCloverLeaf) {
elemString += PlatformKeys.GetStringFromName("VK_META") +
PlatformKeys.GetStringFromName("MODIFIER_SEPARATOR");
}
let key;
let keyCode = aElemKey.getAttribute("keycode");
if (keyCode) {
try {
// Some keys might not exist in the locale file, which will throw:
key = Keys.GetStringFromName(keyCode.toUpperCase());
} catch (ex) {
Cu.reportError("Error finding " + keyCode + ": " + ex);
key = keyCode.replace(/^VK_/, '');
}
} else {
key = aElemKey.getAttribute("key");
key = key.toUpperCase();
}
return elemString + key;
},
findShortcut: function(aElemCommand) {
let document = aElemCommand.ownerDocument;
return document.querySelector("key[command=\"" + aElemCommand.getAttribute("id") + "\"]");
}
};
Object.freeze(ShortcutUtils);
this.ShortcutUtils = ShortcutUtils;
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