gecko-dev/mobile/android/components/ContentPermissionPrompt.js
Chenxia Liu 5696b4cd0e Bug 1212606 - Prompt user (with a doorhanger) to allow to notifications from a website. r=ally
--HG--
extra : commitid : 5t45WaEgpTd
extra : rebase_source : 87e5eaf10e919cef73289cc3440b59a068f5ed3a
2015-11-10 15:18:20 -08:00

149 lines
5.5 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 Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
const Cc = Components.classes;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
const kEntities = {
"contacts": "contacts",
"desktop-notification": "desktopNotification2",
"device-storage:music": "deviceStorageMusic",
"device-storage:pictures": "deviceStoragePictures",
"device-storage:sdcard": "deviceStorageSdcard",
"device-storage:videos": "deviceStorageVideos",
"geolocation": "geolocation",
};
// For these types, prompt for permission if action is unknown.
const PROMPT_FOR_UNKNOWN = [
"desktop-notification",
"geolocation",
];
function ContentPermissionPrompt() {}
ContentPermissionPrompt.prototype = {
classID: Components.ID("{C6E8C44D-9F39-4AF7-BCC0-76E38A8310F5}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionPrompt]),
handleExistingPermission: function handleExistingPermission(request, type, denyUnknown) {
let result = Services.perms.testExactPermissionFromPrincipal(request.principal, type);
if (result == Ci.nsIPermissionManager.ALLOW_ACTION) {
request.allow();
return true;
}
if (result == Ci.nsIPermissionManager.DENY_ACTION) {
request.cancel();
return true;
}
if (denyUnknown && result == Ci.nsIPermissionManager.UNKNOWN_ACTION) {
request.cancel();
return true;
}
return false;
},
getChromeWindow: function getChromeWindow(aWindow) {
let chromeWin = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShellTreeItem)
.rootTreeItem
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow)
.QueryInterface(Ci.nsIDOMChromeWindow);
return chromeWin;
},
getChromeForRequest: function getChromeForRequest(request) {
if (request.window) {
let requestingWindow = request.window.top;
return this.getChromeWindow(requestingWindow).wrappedJSObject;
}
return request.element.ownerDocument.defaultView;
},
prompt: function(request) {
let isApp = request.principal.appId !== Ci.nsIScriptSecurityManager.NO_APP_ID && request.principal.appId !== Ci.nsIScriptSecurityManager.UNKNOWN_APP_ID;
// Only allow exactly one permission rquest here.
let types = request.types.QueryInterface(Ci.nsIArray);
if (types.length != 1) {
request.cancel();
return;
}
let perm = types.queryElementAt(0, Ci.nsIContentPermissionType);
// Returns true if the request was handled
let access = (perm.access && perm.access !== "unused") ?
(perm.type + "-" + perm.access) : perm.type;
if (this.handleExistingPermission(request, access,
/* denyUnknown */ isApp || PROMPT_FOR_UNKNOWN.indexOf(perm.type) < 0))
return;
let chromeWin = this.getChromeForRequest(request);
let tab = chromeWin.BrowserApp.getTabForWindow(request.window.top);
if (!tab)
return;
let browserBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");
let entityName = kEntities[perm.type];
let buttons = [{
label: browserBundle.GetStringFromName(entityName + ".dontAllow"),
callback: function(aChecked) {
// If the user checked "Don't ask again" or this is a desktopNotification, make a permanent exception
if (aChecked || entityName == "desktopNotification2")
Services.perms.addFromPrincipal(request.principal, access, Ci.nsIPermissionManager.DENY_ACTION);
request.cancel();
}
},
{
label: browserBundle.GetStringFromName(entityName + ".allow"),
callback: function(aChecked) {
// If the user checked "Don't ask again" or this is a desktopNotification, make a permanent exception
if (aChecked || entityName == "desktopNotification2") {
Services.perms.addFromPrincipal(request.principal, access, Ci.nsIPermissionManager.ALLOW_ACTION);
} else if (isApp) {
// Otherwise allow the permission for the current session if the request comes from an app
Services.perms.addFromPrincipal(request.principal, access, Ci.nsIPermissionManager.ALLOW_ACTION, Ci.nsIPermissionManager.EXPIRE_SESSION);
}
request.allow();
},
positive: true
}];
let requestor = chromeWin.BrowserApp.manifest ? "'" + chromeWin.BrowserApp.manifest.name + "'" : request.principal.URI.host;
let message = browserBundle.formatStringFromName(entityName + ".ask", [requestor], 1);
// desktopNotification doesn't have a checkbox
let options;
if (entityName == "desktopNotification2") {
options = {
link: {
label: browserBundle.GetStringFromName("doorhanger.learnMore"),
url: "https://www.mozilla.org/firefox/push/"
}
};
} else {
options = { checkbox: browserBundle.GetStringFromName(entityName + ".dontAskAgain") };
}
chromeWin.NativeWindow.doorhanger.show(message, entityName + request.principal.URI.host, buttons, tab.id, options, entityName.toUpperCase());
}
};
//module initialization
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentPermissionPrompt]);