gecko-dev/webapprt/ContentPermission.js

90 lines
3.1 KiB
JavaScript

/* 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/. */
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://webapprt/modules/WebappRT.jsm");
function ContentPermission() {}
ContentPermission.prototype = {
classID: Components.ID("{07ef5b2e-88fb-47bd-8cec-d3b0bef11ac4}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionPrompt]),
prompt: function(request) {
// Only handle geolocation requests for now
if (request.type != "geolocation") {
return;
}
// Reuse any remembered permission preferences
let result = Services.perms.testExactPermissionFromPrincipal(request.principal, "geo");
if (result == Ci.nsIPermissionManager.ALLOW_ACTION) {
request.allow();
return;
}
else if (result == Ci.nsIPermissionManager.DENY_ACTION) {
request.cancel();
return;
}
function getChromeWindow(aWindow) {
var chromeWin = aWindow
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShellTreeItem)
.rootTreeItem
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow)
.QueryInterface(Ci.nsIDOMChromeWindow);
return chromeWin;
}
// Display a prompt at the top level
let {name} = WebappRT.config.app.manifest;
let requestingWindow = request.window.top;
let chromeWin = getChromeWindow(requestingWindow);
let bundle = Services.strings.createBundle("chrome://webapprt/locale/webapp.properties");
// Construct a prompt with share/don't and remember checkbox
let remember = {value: false};
let choice = Services.prompt.confirmEx(
chromeWin,
bundle.formatStringFromName("geolocation.title", [name], 1),
bundle.GetStringFromName("geolocation.description"),
// Set both buttons to strings with the cancel button being default
Ci.nsIPromptService.BUTTON_POS_1_DEFAULT |
Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_0 |
Ci.nsIPromptService.BUTTON_TITLE_IS_STRING * Ci.nsIPromptService.BUTTON_POS_1,
bundle.GetStringFromName("geolocation.sharelocation"),
bundle.GetStringFromName("geolocation.dontshare"),
null,
bundle.GetStringFromName("geolocation.remember"),
remember);
// Persist the choice if the user wants to remember
if (remember.value) {
let action = Ci.nsIPermissionManager.ALLOW_ACTION;
if (choice != 0) {
action = Ci.nsIPermissionManager.DENY_ACTION;
}
Services.perms.addFromPrincipal(request.principal, "geo", action);
}
// Trigger the selected choice
if (choice == 0) {
request.allow();
}
else {
request.cancel();
}
}
};
const NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentPermission]);