gecko-dev/testing/specialpowers/content/MockPermissionPrompt.jsm

98 lines
3.0 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/. */
this.EXPORTED_SYMBOLS = ["MockPermissionPrompt"];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cm = Components.manager;
const Cu = Components.utils;
const CONTRACT_ID = "@mozilla.org/content-permission/prompt;1";
Cu.import("resource://gre/modules/FileUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
var registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar);
var oldClassID, oldFactory;
var newClassID = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator).generateUUID();
var newFactory = {
createInstance: function(aOuter, aIID) {
if (aOuter)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return new MockPermissionPromptInstance().QueryInterface(aIID);
},
lockFactory: function(aLock) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIFactory])
};
this.MockPermissionPrompt = {
init: function() {
this.reset();
if (!registrar.isCIDRegistered(newClassID)) {
try {
oldClassID = registrar.contractIDToCID(CONTRACT_ID);
oldFactory = Cm.getClassObject(Cc[CONTRACT_ID], Ci.nsIFactory);
} catch (ex) {
oldClassID = "";
oldFactory = null;
dump("TEST-INFO | can't get permission prompt registered component, " +
"assuming there is none");
}
if (oldFactory) {
registrar.unregisterFactory(oldClassID, oldFactory);
}
registrar.registerFactory(newClassID, "", CONTRACT_ID, newFactory);
}
},
reset: function() {
},
cleanup: function() {
this.reset();
if (oldFactory) {
registrar.unregisterFactory(newClassID, newFactory);
registrar.registerFactory(oldClassID, "", CONTRACT_ID, oldFactory);
}
},
};
function MockPermissionPromptInstance() { };
MockPermissionPromptInstance.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPermissionPrompt]),
promptResult: Ci.nsIPermissionManager.UNKNOWN_ACTION,
prompt: function(request) {
let perms = request.types.QueryInterface(Ci.nsIArray);
for (let idx = 0; idx < perms.length; idx++) {
let perm = perms.queryElementAt(idx, Ci.nsIContentPermissionType);
if (Services.perms.testExactPermissionFromPrincipal(
request.principal, perm.type) != Ci.nsIPermissionManager.ALLOW_ACTION) {
request.cancel();
return;
}
}
request.allow();
}
};
// Expose everything to content. We call reset() here so that all of the relevant
// lazy expandos get added.
MockPermissionPrompt.reset();
function exposeAll(obj) {
var props = {};
for (var prop in obj)
props[prop] = 'rw';
obj.__exposedProps__ = props;
}
exposeAll(MockPermissionPrompt);
exposeAll(MockPermissionPromptInstance.prototype);