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/* 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 component serves as integration between the platform and AddonManager.
* It is responsible for initializing and shutting down the AddonManager as well
* as passing new installs from webpages to the AddonManager.
*/
"use strict";
const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
const PREF_EM_UPDATE_INTERVAL = "extensions.update.interval";
// The old XPInstall error codes
const EXECUTION_ERROR = -203;
const CANT_READ_ARCHIVE = -207;
const USER_CANCELLED = -210;
const DOWNLOAD_ERROR = -228;
const UNSUPPORTED_TYPE = -244;
const SUCCESS = 0;
const MSG_INSTALL_ENABLED = "WebInstallerIsInstallEnabled";
const MSG_INSTALL_ADDONS = "WebInstallerInstallAddonsFromWebpage";
const MSG_INSTALL_CALLBACK = "WebInstallerInstallCallback";
const CHILD_SCRIPT = "resource://gre/modules/addons/Content.js";
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
let gSingleton = null;
let gParentMM = null;
function amManager() {
Cu.import("resource://gre/modules/AddonManager.jsm");
let globalMM = Cc["@mozilla.org/globalmessagemanager;1"]
.getService(Ci.nsIMessageListenerManager);
globalMM.loadFrameScript(CHILD_SCRIPT, true);
globalMM.addMessageListener(MSG_INSTALL_ADDONS, this);
gParentMM = Cc["@mozilla.org/parentprocessmessagemanager;1"]
.getService(Ci.nsIMessageListenerManager);
gParentMM.addMessageListener(MSG_INSTALL_ENABLED, this);
// Needed so receiveMessage can be called directly by JS callers
this.wrappedJSObject = this;
}
amManager.prototype = {
observe: function AMC_observe(aSubject, aTopic, aData) {
if (aTopic == "addons-startup")
AddonManagerPrivate.startup();
},
/**
* @see amIAddonManager.idl
*/
mapURIToAddonID: function AMC_mapURIToAddonID(uri, id) {
id.value = AddonManager.mapURIToAddonID(uri);
return !!id.value;
},
/**
* @see amIWebInstaller.idl
*/
isInstallEnabled: function AMC_isInstallEnabled(aMimetype, aReferer) {
return AddonManager.isInstallEnabled(aMimetype);
},
/**
* @see amIWebInstaller.idl
*/
installAddonsFromWebpage: function AMC_installAddonsFromWebpage(aMimetype,
aBrowser,
aInstallingPrincipal,
aUris, aHashes,
aNames, aIcons,
aCallback) {
if (aUris.length == 0)
return false;
let retval = true;
if (!AddonManager.isInstallAllowed(aMimetype, aInstallingPrincipal)) {
aCallback = null;
retval = false;
}
let installs = [];
function buildNextInstall() {
if (aUris.length == 0) {
AddonManager.installAddonsFromWebpage(aMimetype, aBrowser, aInstallingPrincipal, installs);
return;
}
let uri = aUris.shift();
AddonManager.getInstallForURL(uri, function buildNextInstall_getInstallForURL(aInstall) {
function callCallback(aUri, aStatus) {
try {
aCallback.onInstallEnded(aUri, aStatus);
}
catch (e) {
Components.utils.reportError(e);
}
}
if (aInstall) {
installs.push(aInstall);
if (aCallback) {
aInstall.addListener({
onDownloadCancelled: function buildNextInstall_onDownloadCancelled(aInstall) {
callCallback(uri, USER_CANCELLED);
},
onDownloadFailed: function buildNextInstall_onDownloadFailed(aInstall) {
if (aInstall.error == AddonManager.ERROR_CORRUPT_FILE)
callCallback(uri, CANT_READ_ARCHIVE);
else
callCallback(uri, DOWNLOAD_ERROR);
},
onInstallFailed: function buildNextInstall_onInstallFailed(aInstall) {
callCallback(uri, EXECUTION_ERROR);
},
onInstallEnded: function buildNextInstall_onInstallEnded(aInstall, aStatus) {
callCallback(uri, SUCCESS);
}
});
}
}
else if (aCallback) {
aCallback.onInstallEnded(uri, UNSUPPORTED_TYPE);
}
buildNextInstall();
}, aMimetype, aHashes.shift(), aNames.shift(), aIcons.shift(), null, aBrowser);
}
buildNextInstall();
return retval;
},
notify: function AMC_notify(aTimer) {
AddonManagerPrivate.backgroundUpdateTimerHandler();
},
/**
* messageManager callback function.
*
* Listens to requests from child processes for InstallTrigger
* activity, and sends back callbacks.
*/
receiveMessage: function AMC_receiveMessage(aMessage) {
let payload = aMessage.data;
switch (aMessage.name) {
case MSG_INSTALL_ENABLED:
return AddonManager.isInstallEnabled(payload.mimetype);
case MSG_INSTALL_ADDONS: {
let callback = null;
if (payload.callbackID != -1) {
callback = {
onInstallEnded: function ITP_callback(url, status) {
gParentMM.broadcastAsyncMessage(MSG_INSTALL_CALLBACK, {
callbackID: payload.callbackID,
url: url,
status: status
});
},
};
}
return this.installAddonsFromWebpage(payload.mimetype,
aMessage.target, payload.triggeringPrincipal, payload.uris,
payload.hashes, payload.names, payload.icons, callback);
}
}
},
classID: Components.ID("{4399533d-08d1-458c-a87a-235f74451cfa}"),
_xpcom_factory: {
createInstance: function AMC_createInstance(aOuter, aIid) {
if (aOuter != null)
throw Components.Exception("Component does not support aggregation",
Cr.NS_ERROR_NO_AGGREGATION);
if (!gSingleton)
gSingleton = new amManager();
return gSingleton.QueryInterface(aIid);
}
},
QueryInterface: XPCOMUtils.generateQI([Ci.amIAddonManager,
Ci.amIWebInstaller,
Ci.nsITimerCallback,
Ci.nsIObserver,
Ci.nsIMessageListener])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([amManager]);
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