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context_menu.js
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context_menu.js
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// -*- tab-width:2; indent-tabs-mode:t -*- vim: set noet ts=2:
(function(){
var edit_msg = null;
function menuClicked(info, tab) {
if (edit_msg) {
var tab_port = chrome.tabs.connect(tab.id);
tab_port.tab = tab;
handleContentMessages(edit_msg, tab_port);
edit_msg = null;
}
}
var menu_enabled = false;
function enableContextMenu() {
if (!menu_enabled) {
chrome.contextMenus.removeAll();
chrome.contextMenus.create({
title: "Edit with Emacs",
contexts: ["editable"],
onclick: function(info, tab) {
menuClicked(info, tab);
}
});
menu_enabled = true;
}
}
function disableContextMenu() {
chrome.contextMenus.removeAll();
menu_enabled = false;
}
// Initialize the context menu based on stored options.
// Also, default to enabled if the setting hasn't been saved before.
if (localStorage.enable_contextmenu === "true" ||
!localStorage.hasOwnProperty('enable_contextmenu')) {
enableContextMenu();
} else {
disableContextMenu();
}
function processRequest(request, sender, sendResponse) {
if (request.type === "menu_target") {
edit_msg = request.edit_msg;
} else if (request.type === "enable_contextmenu") {
if (request.enabled) {
enableContextMenu();
} else {
disableContextMenu();
}
}
sendResponse({});
}
chrome.extension.onRequest.addListener(processRequest);
})();