a64db3f8c1
CLOSED TREE Backed out changeset 8e692344588a (bug 1209184) Backed out changeset f9ab76689610 (bug 1209184) Backed out changeset 9c63ffd499eb (bug 1209184) Backed out changeset e75f9f24d0dc (bug 1209184)
138 lines
4.0 KiB
JavaScript
138 lines
4.0 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Dumping ground for simple services for which the isolation of a full global
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* is overkill. Be careful about namespace pollution, and be mindful about
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* importing lots of JSMs in global scope, since this file will almost certainly
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* be loaded from enough callsites that any such imports will always end up getting
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* eagerly loaded at startup.
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*/
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"use strict";
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const Cu = Components.utils;
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const Ci = Components.interfaces;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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function RemoteTagServiceService()
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{
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}
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RemoteTagServiceService.prototype = {
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classID: Components.ID("{dfd07380-6083-11e4-9803-0800200c9a66}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIRemoteTagService, Ci.nsISupportsWeakReference]),
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/**
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* CPOWs can have user data attached to them. This data originates
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* in the local process from this function, getRemoteObjectTag. It's
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* sent along with the CPOW to the remote process, where it can be
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* fetched with Components.utils.getCrossProcessWrapperTag.
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*/
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getRemoteObjectTag: function(target) {
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if (target instanceof Ci.nsIDocShellTreeItem) {
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return "ContentDocShellTreeItem";
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}
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if (target instanceof Ci.nsIDOMDocument) {
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return "ContentDocument";
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}
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return "generic";
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}
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};
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function AddonPolicyService()
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{
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this.wrappedJSObject = this;
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this.mayLoadURICallbacks = new Map();
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}
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AddonPolicyService.prototype = {
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classID: Components.ID("{89560ed3-72e3-498d-a0e8-ffe50334d7c5}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIAddonPolicyService]),
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/*
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* Invokes a callback (if any) associated with the addon to determine whether
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* unprivileged code running within the addon is allowed to perform loads from
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* the given URI.
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*
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* @see nsIAddonPolicyService.addonMayLoadURI
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*/
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addonMayLoadURI(aAddonId, aURI) {
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let cb = this.mayLoadURICallbacks[aAddonId];
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return cb ? cb(aURI) : false;
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},
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/*
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* Invokes a callback (if any) to determine if an extension URI should be
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* web-accessible.
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*
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* @see nsIAddonPolicyService.extensionURILoadableByAnyone
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*/
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extensionURILoadableByAnyone(aURI) {
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if (aURI.scheme != "moz-extension") {
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throw new TypeError("non-extension URI passed");
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}
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let cb = this.extensionURILoadCallback;
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return cb ? cb(aURI) : false;
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},
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/*
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* Maps an extension URI to an addon ID.
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*
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* @see nsIAddonPolicyService.extensionURIToAddonId
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*/
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extensionURIToAddonId(aURI) {
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if (aURI.scheme != "moz-extension") {
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throw new TypeError("non-extension URI passed");
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}
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let cb = this.extensionURIToAddonIdCallback;
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if (!cb) {
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throw new Error("no callback set to map extension URIs to addon Ids");
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}
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return cb(aURI);
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},
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/*
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* Sets the callbacks used in addonMayLoadURI above. Not accessible over
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* XPCOM - callers should use .wrappedJSObject on the service to call it
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* directly.
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*/
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setAddonLoadURICallback(aAddonId, aCallback) {
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if (aCallback) {
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this.mayLoadURICallbacks[aAddonId] = aCallback;
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} else {
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delete this.mayLoadURICallbacks[aAddonId];
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}
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},
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/*
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* Sets the callback used in extensionURILoadableByAnyone above. Not
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* accessible over XPCOM - callers should use .wrappedJSObject on the
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* service to call it directly.
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*/
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setExtensionURILoadCallback(aCallback) {
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var old = this.extensionURILoadCallback;
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this.extensionURILoadCallback = aCallback;
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return old;
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},
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/*
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* Sets the callback used in extensionURIToAddonId above. Not accessible over
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* XPCOM - callers should use .wrappedJSObject on the service to call it
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* directly.
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*/
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setExtensionURIToAddonIdCallback(aCallback) {
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var old = this.extensionURIToAddonIdCallback;
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this.extensionURIToAddonIdCallback = aCallback;
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return old;
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([RemoteTagServiceService, AddonPolicyService]);
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