gecko-dev/toolkit/mozapps/extensions/AddonManager.jsm

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/*
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Extension Manager.
#
# The Initial Developer of the Original Code is
# the Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Dave Townsend <dtownsend@oxymoronical.com>
# Blair McBride <bmcbride@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
*/
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const PREF_BLOCKLIST_PINGCOUNTVERSION = "extensions.blocklist.pingCountVersion";
const PREF_EM_UPDATE_ENABLED = "extensions.update.enabled";
const PREF_EM_LAST_APP_VERSION = "extensions.lastAppVersion";
const PREF_EM_LAST_PLATFORM_VERSION = "extensions.lastPlatformVersion";
const PREF_EM_AUTOUPDATE_DEFAULT = "extensions.update.autoUpdateDefault";
const PREF_EM_STRICT_COMPATIBILITY = "extensions.strictCompatibility";
// Note: This has to be kept in sync with the same constant in AddonRepository.jsm
const STRICT_COMPATIBILITY_DEFAULT = true;
const TOOLKIT_ID = "toolkit@mozilla.org";
const VALID_TYPES_REGEXP = /^[\w\-]+$/;
Components.utils.import("resource://gre/modules/Services.jsm");
var EXPORTED_SYMBOLS = [ "AddonManager", "AddonManagerPrivate" ];
const CATEGORY_PROVIDER_MODULE = "addon-provider-module";
// A list of providers to load by default
const DEFAULT_PROVIDERS = [
"resource://gre/modules/XPIProvider.jsm",
"resource://gre/modules/LightweightThemeManager.jsm"
];
["LOG", "WARN", "ERROR"].forEach(function(aName) {
this.__defineGetter__(aName, function() {
Components.utils.import("resource://gre/modules/AddonLogging.jsm");
LogManager.getLogger("addons.manager", this);
return this[aName];
});
}, this);
/**
* Calls a callback method consuming any thrown exception. Any parameters after
* the callback parameter will be passed to the callback.
*
* @param aCallback
* The callback method to call
*/
function safeCall(aCallback) {
var args = Array.slice(arguments, 1);
try {
aCallback.apply(null, args);
}
catch (e) {
WARN("Exception calling callback", e);
}
}
/**
* Calls a method on a provider if it exists and consumes any thrown exception.
* Any parameters after the dflt parameter are passed to the provider's method.
*
* @param aProvider
* The provider to call
* @param aMethod
* The method name to call
* @param aDefault
* A default return value if the provider does not implement the named
* method or throws an error.
* @return the return value from the provider or dflt if the provider does not
* implement method or throws an error
*/
function callProvider(aProvider, aMethod, aDefault) {
if (!(aMethod in aProvider))
return aDefault;
var args = Array.slice(arguments, 3);
try {
return aProvider[aMethod].apply(aProvider, args);
}
catch (e) {
ERROR("Exception calling provider " + aMethod, e);
return aDefault;
}
}
/**
* A helper class to repeatedly call a listener with each object in an array
* optionally checking whether the object has a method in it.
*
* @param aObjects
* The array of objects to iterate through
* @param aMethod
* An optional method name, if not null any objects without this method
* will not be passed to the listener
* @param aListener
* A listener implementing nextObject and noMoreObjects methods. The
* former will be called with the AsyncObjectCaller as the first
* parameter and the object as the second. noMoreObjects will be passed
* just the AsyncObjectCaller
*/
function AsyncObjectCaller(aObjects, aMethod, aListener) {
this.objects = aObjects.slice(0);
this.method = aMethod;
this.listener = aListener;
this.callNext();
}
AsyncObjectCaller.prototype = {
objects: null,
method: null,
listener: null,
/**
* Passes the next object to the listener or calls noMoreObjects if there
* are none left.
*/
callNext: function AOC_callNext() {
if (this.objects.length == 0) {
this.listener.noMoreObjects(this);
return;
}
let object = this.objects.shift();
if (!this.method || this.method in object)
this.listener.nextObject(this, object);
else
this.callNext();
}
};
/**
* This represents an author of an add-on (e.g. creator or developer)
*
* @param aName
* The name of the author
* @param aURL
* The URL of the author's profile page
*/
function AddonAuthor(aName, aURL) {
this.name = aName;
this.url = aURL;
}
AddonAuthor.prototype = {
name: null,
url: null,
// Returns the author's name, defaulting to the empty string
toString: function() {
return this.name || "";
}
}
/**
* This represents an screenshot for an add-on
*
* @param aURL
* The URL to the full version of the screenshot
* @param aWidth
* The width in pixels of the screenshot
* @param aHeight
* The height in pixels of the screenshot
* @param aThumbnailURL
* The URL to the thumbnail version of the screenshot
* @param aThumbnailWidth
* The width in pixels of the thumbnail version of the screenshot
* @param aThumbnailHeight
* The height in pixels of the thumbnail version of the screenshot
* @param aCaption
* The caption of the screenshot
*/
function AddonScreenshot(aURL, aWidth, aHeight, aThumbnailURL,
aThumbnailWidth, aThumbnailHeight, aCaption) {
this.url = aURL;
if (aWidth) this.width = aWidth;
if (aHeight) this.height = aHeight;
if (aThumbnailURL) this.thumbnailURL = aThumbnailURL;
if (aThumbnailWidth) this.thumbnailWidth = aThumbnailWidth;
if (aThumbnailHeight) this.thumbnailHeight = aThumbnailHeight;
if (aCaption) this.caption = aCaption;
}
AddonScreenshot.prototype = {
url: null,
width: null,
height: null,
thumbnailURL: null,
thumbnailWidth: null,
thumbnailHeight: null,
caption: null,
// Returns the screenshot URL, defaulting to the empty string
toString: function() {
return this.url || "";
}
}
/**
* This represents a compatibility override for an addon.
*
* @param aType
* Overrride type - "compatible" or "incompatible"
* @param aMinVersion
* Minimum version of the addon to match
* @param aMaxVersion
* Maximum version of the addon to match
* @param aAppID
* Application ID used to match appMinVersion and appMaxVersion
* @param aAppMinVersion
* Minimum version of the application to match
* @param aAppMaxVersion
* Maximum version of the application to match
*/
function AddonCompatibilityOverride(aType, aMinVersion, aMaxVersion, aAppID,
aAppMinVersion, aAppMaxVersion) {
this.type = aType;
this.minVersion = aMinVersion;
this.maxVersion = aMaxVersion;
this.appID = aAppID;
this.appMinVersion = aAppMinVersion;
this.appMaxVersion = aAppMaxVersion;
}
AddonCompatibilityOverride.prototype = {
/**
* Type of override - "incompatible" or "compatible".
* Only "incompatible" is supported for now.
*/
type: null,
/**
* Min version of the addon to match.
*/
minVersion: null,
/**
* Max version of the addon to match.
*/
maxVersion: null,
/**
* Application ID to match.
*/
appID: null,
/**
* Min version of the application to match.
*/
appMinVersion: null,
/**
* Max version of the application to match.
*/
appMaxVersion: null
};
/**
* A type of add-on, used by the UI to determine how to display different types
* of add-ons.
*
* @param aId
* The add-on type ID
* @param aLocaleURI
* The URI of a localized properties file to get the displayable name
* for the type from
* @param aLocaleKey
* The key for the string in the properties file or the actual display
* name if aLocaleURI is null. Include %ID% to include the type ID in
* the key
* @param aViewType
* The optional type of view to use in the UI
* @param aUIPriority
* The priority is used by the UI to list the types in order. Lower
* values push the type higher in the list.
* @param aFlags
* An option set of flags that customize the display of the add-on in
* the UI.
*/
function AddonType(aId, aLocaleURI, aLocaleKey, aViewType, aUIPriority, aFlags) {
if (!aId)
throw new Error("An AddonType must have an ID");
if (aViewType && aUIPriority === undefined)
throw new Error("An AddonType with a defined view must have a set UI priority");
if (!aLocaleKey)
throw new Error("An AddonType must have a displayable name");
this.id = aId;
this.uiPriority = aUIPriority;
this.viewType = aViewType;
this.flags = aFlags;
if (aLocaleURI) {
this.__defineGetter__("name", function() {
delete this.name;
let bundle = Services.strings.createBundle(aLocaleURI);
this.name = bundle.GetStringFromName(aLocaleKey.replace("%ID%", aId));
return this.name;
});
}
else {
this.name = aLocaleKey;
}
}
var gStarted = false;
var gStrictCompatibility = STRICT_COMPATIBILITY_DEFAULT;
/**
* This is the real manager, kept here rather than in AddonManager to keep its
* contents hidden from API users.
*/
var AddonManagerInternal = {
installListeners: [],
addonListeners: [],
typeListeners: [],
providers: [],
types: {},
startupChanges: {},
// A read-only wrapper around the types dictionary
typesProxy: Proxy.create({
getOwnPropertyDescriptor: function(aName) {
if (!(aName in AddonManagerInternal.types))
return undefined;
return {
value: AddonManagerInternal.types[aName].type,
writable: false,
configurable: false,
enumerable: true
}
},
getPropertyDescriptor: function(aName) {
return this.getOwnPropertyDescriptor(aName);
},
getOwnPropertyNames: function() {
return Object.keys(AddonManagerInternal.types);
},
getPropertyNames: function() {
return this.getOwnPropertyNames();
},
delete: function(aName) {
// Not allowed to delete properties
return false;
},
defineProperty: function(aName, aProperty) {
// Ignore attempts to define properties
},
fix: function() {
return undefined;
},
// Despite MDC's claims to the contrary, it is required that this trap
// be defined
enumerate: function() {
// All properties are enumerable
return this.getPropertyNames();
}
}),
/**
* Initializes the AddonManager, loading any known providers and initializing
* them.
*/
startup: function AMI_startup() {
if (gStarted)
return;
let appChanged = undefined;
let oldAppVersion = null;
try {
oldAppVersion = Services.prefs.getCharPref(PREF_EM_LAST_APP_VERSION);
appChanged = Services.appinfo.version != oldAppVersion;
}
catch (e) { }
let oldPlatformVersion = null;
try {
oldPlatformVersion = Services.prefs.getCharPref(PREF_EM_LAST_PLATFORM_VERSION);
}
catch (e) { }
if (appChanged !== false) {
LOG("Application has been upgraded");
Services.prefs.setCharPref(PREF_EM_LAST_APP_VERSION,
Services.appinfo.version);
Services.prefs.setCharPref(PREF_EM_LAST_PLATFORM_VERSION,
Services.appinfo.platformVersion);
Services.prefs.setIntPref(PREF_BLOCKLIST_PINGCOUNTVERSION,
(appChanged === undefined ? 0 : -1));
}
try {
gStrictCompatibility = Services.prefs.getBoolPref(PREF_EM_STRICT_COMPATIBILITY);
} catch (e) {}
Services.prefs.addObserver(PREF_EM_STRICT_COMPATIBILITY, this, false);
// Ensure all default providers have had a chance to register themselves
DEFAULT_PROVIDERS.forEach(function(url) {
try {
Components.utils.import(url, {});
}
catch (e) {
ERROR("Exception loading default provider \"" + url + "\"", e);
}
});
// Load any providers registered in the category manager
let catman = Cc["@mozilla.org/categorymanager;1"].
getService(Ci.nsICategoryManager);
let entries = catman.enumerateCategory(CATEGORY_PROVIDER_MODULE);
while (entries.hasMoreElements()) {
let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
let url = catman.getCategoryEntry(CATEGORY_PROVIDER_MODULE, entry);
try {
Components.utils.import(url, {});
}
catch (e) {
ERROR("Exception loading provider " + entry + " from category \"" +
url + "\"", e);
}
}
this.providers.forEach(function(provider) {
callProvider(provider, "startup", null, appChanged, oldAppVersion,
oldPlatformVersion);
});
// If this is a new profile just pretend that there were no changes
if (appChanged === undefined) {
for (let type in this.startupChanges)
delete this.startupChanges[type];
}
gStarted = true;
},
/**
* Registers a new AddonProvider.
*
* @param aProvider
* The provider to register
* @param aTypes
* An array of add-on types
*/
registerProvider: function AMI_registerProvider(aProvider, aTypes) {
this.providers.push(aProvider);
if (aTypes) {
aTypes.forEach(function(aType) {
if (!(aType.id in this.types)) {
if (!VALID_TYPES_REGEXP.test(aType.id)) {
WARN("Ignoring invalid type " + aType.id);
return;
}
this.types[aType.id] = {
type: aType,
providers: [aProvider]
};
this.typeListeners.forEach(function(aListener) {
safeCall(function() {
aListener.onTypeAdded(aType);
});
});
}
else {
this.types[aType.id].providers.push(aProvider);
}
}, this);
}
// If we're registering after startup call this provider's startup.
if (gStarted)
callProvider(aProvider, "startup");
},
/**
* Unregisters an AddonProvider.
*
* @param aProvider
* The provider to unregister
*/
unregisterProvider: function AMI_unregisterProvider(aProvider) {
let pos = 0;
while (pos < this.providers.length) {
if (this.providers[pos] == aProvider)
this.providers.splice(pos, 1);
else
pos++;
}
for (let type in this.types) {
this.types[type].providers = this.types[type].providers.filter(function(p) p != aProvider);
if (this.types[type].providers.length == 0) {
let oldType = this.types[type].type;
delete this.types[type];
this.typeListeners.forEach(function(aListener) {
safeCall(function() {
aListener.onTypeRemoved(oldType);
});
});
}
}
// If we're unregistering after startup call this provider's shutdown.
if (gStarted)
callProvider(aProvider, "shutdown");
},
/**
* Shuts down the addon manager and all registered providers, this must clean
* up everything in order for automated tests to fake restarts.
*/
shutdown: function AMI_shutdown() {
Services.prefs.removeObserver(PREF_EM_STRICT_COMPATIBILITY, this);
this.providers.forEach(function(provider) {
callProvider(provider, "shutdown");
});
this.installListeners.splice(0, this.installListeners.length);
this.addonListeners.splice(0, this.addonListeners.length);
this.typeListeners.splice(0, this.typeListeners.length);
for (let type in this.startupChanges)
delete this.startupChanges[type];
gStarted = false;
},
/**
* Notified when a preference we're interested in has changed.
*
* @see nsIObserver
*/
observe: function AMI_observe(aSubject, aTopic, aData) {
switch (aData) {
case PREF_EM_STRICT_COMPATIBILITY:
let oldValue = gStrictCompatibility;
try {
gStrictCompatibility = Services.prefs.getBoolPref(PREF_EM_STRICT_COMPATIBILITY);
} catch(e) {
gStrictCompatibility = STRICT_COMPATIBILITY_DEFAULT;
}
// XXXunf Currently, this won't notify listeners that an addon's
// compatibility status has changed if the addon's appDisabled state
// doesn't change.
if (gStrictCompatibility != oldValue)
this.updateAddonAppDisabledStates();
break;
}
},
/**
* Performs a background update check by starting an update for all add-ons
* that can be updated.
*/
backgroundUpdateCheck: function AMI_backgroundUpdateCheck() {
if (!Services.prefs.getBoolPref(PREF_EM_UPDATE_ENABLED))
return;
Services.obs.notifyObservers(null, "addons-background-update-start", null);
let pendingUpdates = 0;
function notifyComplete() {
if (--pendingUpdates == 0) {
Services.obs.notifyObservers(null,
"addons-background-update-complete",
null);
}
}
let scope = {};
Components.utils.import("resource://gre/modules/AddonRepository.jsm", scope);
Components.utils.import("resource://gre/modules/LightweightThemeManager.jsm", scope);
scope.LightweightThemeManager.updateCurrentTheme();
pendingUpdates++;
this.getAllAddons(function getAddonsCallback(aAddons) {
// Repopulate repository cache first, to ensure compatibility overrides
// are up to date before checking for addon updates.
var ids = [a.id for each (a in aAddons)];
scope.AddonRepository.repopulateCache(ids, function BUC_repopulateCacheCallback() {
AddonManagerInternal.updateAddonRepositoryData(function BUC_updateAddonCallback() {
pendingUpdates += aAddons.length;
aAddons.forEach(function BUC_forEachCallback(aAddon) {
// Check all add-ons for updates so that any compatibility updates will
// be applied
aAddon.findUpdates({
onUpdateAvailable: function BUC_onUpdateAvailable(aAddon, aInstall) {
// Start installing updates when the add-on can be updated and
// background updates should be applied.
if (aAddon.permissions & AddonManager.PERM_CAN_UPGRADE &&
AddonManager.shouldAutoUpdate(aAddon)) {
aInstall.install();
}
},
onUpdateFinished: notifyComplete
}, AddonManager.UPDATE_WHEN_PERIODIC_UPDATE);
});
notifyComplete();
});
});
});
},
/**
* Adds a add-on to the list of detected changes for this startup. If
* addStartupChange is called multiple times for the same add-on in the same
* startup then only the most recent change will be remembered.
*
* @param aType
* The type of change as a string. Providers can define their own
* types of changes or use the existing defined STARTUP_CHANGE_*
* constants
* @param aID
* The ID of the add-on
*/
addStartupChange: function AMI_addStartupChange(aType, aID) {
if (gStarted)
return;
// Ensure that an ID is only listed in one type of change
for (let type in this.startupChanges)
this.removeStartupChange(type, aID);
if (!(aType in this.startupChanges))
this.startupChanges[aType] = [];
this.startupChanges[aType].push(aID);
},
/**
* Removes a startup change for an add-on.
*
* @param aType
* The type of change
* @param aID
* The ID of the add-on
*/
removeStartupChange: function AMI_removeStartupChange(aType, aID) {
if (gStarted)
return;
if (!(aType in this.startupChanges))
return;
this.startupChanges[aType] = this.startupChanges[aType].filter(function(aItem) aItem != aID);
},
/**
* Calls all registered InstallListeners with an event. Any parameters after
* the extraListeners parameter are passed to the listener.
*
* @param aMethod
* The method on the listeners to call
* @param aExtraListeners
* An array of extra InstallListeners to also call
* @return false if any of the listeners returned false, true otherwise
*/
callInstallListeners: function AMI_callInstallListeners(aMethod, aExtraListeners) {
let result = true;
let listeners = this.installListeners;
if (aExtraListeners)
listeners = aExtraListeners.concat(listeners);
let args = Array.slice(arguments, 2);
listeners.forEach(function(listener) {
try {
if (aMethod in listener) {
if (listener[aMethod].apply(listener, args) === false)
result = false;
}
}
catch (e) {
WARN("InstallListener threw exception when calling " + aMethod, e);
}
});
return result;
},
/**
* Calls all registered AddonListeners with an event. Any parameters after
* the method parameter are passed to the listener.
*
* @param aMethod
* The method on the listeners to call
*/
callAddonListeners: function AMI_callAddonListeners(aMethod) {
var args = Array.slice(arguments, 1);
this.addonListeners.forEach(function(listener) {
try {
if (aMethod in listener)
listener[aMethod].apply(listener, args);
}
catch (e) {
WARN("AddonListener threw exception when calling " + aMethod, e);
}
});
},
/**
* Notifies all providers that an add-on has been enabled when that type of
* add-on only supports a single add-on being enabled at a time. This allows
* the providers to disable theirs if necessary.
*
* @param aId
* The id of the enabled add-on
* @param aType
* The type of the enabled add-on
* @param aPendingRestart
* A boolean indicating if the change will only take place the next
* time the application is restarted
*/
notifyAddonChanged: function AMI_notifyAddonChanged(aId, aType, aPendingRestart) {
this.providers.forEach(function(provider) {
callProvider(provider, "addonChanged", null, aId, aType, aPendingRestart);
});
},
/**
* Notifies all providers they need to update the appDisabled property for
* their add-ons in response to an application change such as a blocklist
* update.
*/
updateAddonAppDisabledStates: function AMI_updateAddonAppDisabledStates() {
this.providers.forEach(function(provider) {
callProvider(provider, "updateAddonAppDisabledStates");
});
},
/**
* Notifies all providers that the repository has updated its data for
* installed add-ons.
*
* @param aCallback
* Function to call when operation is complete.
*/
updateAddonRepositoryData: function AMI_updateAddonRepositoryData(aCallback) {
if (!aCallback)
throw Components.Exception("Must specify aCallback",
Cr.NS_ERROR_INVALID_ARG);
new AsyncObjectCaller(this.providers, "updateAddonRepositoryData", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider,
"updateAddonRepositoryData",
null,
aCaller.callNext.bind(aCaller));
},
noMoreObjects: function(aCaller) {
safeCall(aCallback);
}
});
},
/**
* Asynchronously gets an AddonInstall for a URL.
*
* @param aUrl
* The url the add-on is located at
* @param aCallback
* A callback to pass the AddonInstall to
* @param aMimetype
* The mimetype of the add-on
* @param aHash
* An optional hash of the add-on
* @param aName
* An optional placeholder name while the add-on is being downloaded
* @param aIconURL
* An optional placeholder icon URL while the add-on is being downloaded
* @param aVersion
* An optional placeholder version while the add-on is being downloaded
* @param aLoadGroup
* An optional nsILoadGroup to associate any network requests with
* @throws if the aUrl, aCallback or aMimetype arguments are not specified
*/
getInstallForURL: function AMI_getInstallForURL(aUrl, aCallback, aMimetype,
aHash, aName, aIconURL,
aVersion, aLoadGroup) {
if (!aUrl || !aMimetype || !aCallback)
throw new TypeError("Invalid arguments");
for (let i = 0; i < this.providers.length; i++) {
if (callProvider(this.providers[i], "supportsMimetype", false, aMimetype)) {
callProvider(this.providers[i], "getInstallForURL", null,
aUrl, aHash, aName, aIconURL, aVersion, aLoadGroup,
function(aInstall) {
safeCall(aCallback, aInstall);
});
return;
}
}
safeCall(aCallback, null);
},
/**
* Asynchronously gets an AddonInstall for an nsIFile.
*
* @param aFile
* the nsIFile where the add-on is located
* @param aCallback
* A callback to pass the AddonInstall to
* @param aMimetype
* An optional mimetype hint for the add-on
* @throws if the aFile or aCallback arguments are not specified
*/
getInstallForFile: function AMI_getInstallForFile(aFile, aCallback, aMimetype) {
if (!aFile || !aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
new AsyncObjectCaller(this.providers, "getInstallForFile", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getInstallForFile", null, aFile,
function(aInstall) {
if (aInstall)
safeCall(aCallback, aInstall);
else
aCaller.callNext();
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, null);
}
});
},
/**
* Asynchronously gets all current AddonInstalls optionally limiting to a list
* of types.
*
* @param aTypes
* An optional array of types to retrieve. Each type is a string name
* @param aCallback
* A callback which will be passed an array of AddonInstalls
* @throws if the aCallback argument is not specified
*/
getInstallsByTypes: function AMI_getInstallsByTypes(aTypes, aCallback) {
if (!aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
let installs = [];
new AsyncObjectCaller(this.providers, "getInstallsByTypes", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getInstallsByTypes", null, aTypes,
function(aProviderInstalls) {
installs = installs.concat(aProviderInstalls);
aCaller.callNext();
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, installs);
}
});
},
/**
* Asynchronously gets all current AddonInstalls.
*
* @param aCallback
* A callback which will be passed an array of AddonInstalls
*/
getAllInstalls: function AMI_getAllInstalls(aCallback) {
this.getInstallsByTypes(null, aCallback);
},
/**
* Checks whether installation is enabled for a particular mimetype.
*
* @param aMimetype
* The mimetype to check
* @return true if installation is enabled for the mimetype
*/
isInstallEnabled: function AMI_isInstallEnabled(aMimetype) {
for (let i = 0; i < this.providers.length; i++) {
if (callProvider(this.providers[i], "supportsMimetype", false, aMimetype) &&
callProvider(this.providers[i], "isInstallEnabled"))
return true;
}
return false;
},
/**
* Checks whether a particular source is allowed to install add-ons of a
* given mimetype.
*
* @param aMimetype
* The mimetype of the add-on
* @param aURI
* The uri of the source, may be null
* @return true if the source is allowed to install this mimetype
*/
isInstallAllowed: function AMI_isInstallAllowed(aMimetype, aURI) {
for (let i = 0; i < this.providers.length; i++) {
if (callProvider(this.providers[i], "supportsMimetype", false, aMimetype) &&
callProvider(this.providers[i], "isInstallAllowed", null, aURI))
return true;
}
return false;
},
/**
* Starts installation of an array of AddonInstalls notifying the registered
* web install listener of blocked or started installs.
*
* @param aMimetype
* The mimetype of add-ons being installed
* @param aSource
* The nsIDOMWindow that started the installs
* @param aURI
* the nsIURI that started the installs
* @param aInstalls
* The array of AddonInstalls to be installed
*/
installAddonsFromWebpage: function AMI_installAddonsFromWebpage(aMimetype,
aSource,
aURI,
aInstalls) {
if (!("@mozilla.org/addons/web-install-listener;1" in Cc)) {
WARN("No web installer available, cancelling all installs");
aInstalls.forEach(function(aInstall) {
aInstall.cancel();
});
return;
}
try {
let weblistener = Cc["@mozilla.org/addons/web-install-listener;1"].
getService(Ci.amIWebInstallListener);
if (!this.isInstallEnabled(aMimetype, aURI)) {
weblistener.onWebInstallDisabled(aSource, aURI, aInstalls,
aInstalls.length);
}
else if (!this.isInstallAllowed(aMimetype, aURI)) {
if (weblistener.onWebInstallBlocked(aSource, aURI, aInstalls,
aInstalls.length)) {
aInstalls.forEach(function(aInstall) {
aInstall.install();
});
}
}
else if (weblistener.onWebInstallRequested(aSource, aURI, aInstalls,
aInstalls.length)) {
aInstalls.forEach(function(aInstall) {
aInstall.install();
});
}
}
catch (e) {
// In the event that the weblistener throws during instatiation or when
// calling onWebInstallBlocked or onWebInstallRequested all of the
// installs should get cancelled.
WARN("Failure calling web installer", e);
aInstalls.forEach(function(aInstall) {
aInstall.cancel();
});
}
},
/**
* Adds a new InstallListener if the listener is not already registered.
*
* @param aListener
* The InstallListener to add
*/
addInstallListener: function AMI_addInstallListener(aListener) {
if (!this.installListeners.some(function(i) { return i == aListener; }))
this.installListeners.push(aListener);
},
/**
* Removes an InstallListener if the listener is registered.
*
* @param aListener
* The InstallListener to remove
*/
removeInstallListener: function AMI_removeInstallListener(aListener) {
let pos = 0;
while (pos < this.installListeners.length) {
if (this.installListeners[pos] == aListener)
this.installListeners.splice(pos, 1);
else
pos++;
}
},
/**
* Asynchronously gets an add-on with a specific ID.
*
* @param aId
* The ID of the add-on to retrieve
* @param aCallback
* The callback to pass the retrieved add-on to
* @throws if the aId or aCallback arguments are not specified
*/
getAddonByID: function AMI_getAddonByID(aId, aCallback) {
if (!aId || !aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
new AsyncObjectCaller(this.providers, "getAddonByID", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getAddonByID", null, aId, function(aAddon) {
if (aAddon)
safeCall(aCallback, aAddon);
else
aCaller.callNext();
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, null);
}
});
},
/**
* Asynchronously get an add-on with a specific Sync GUID.
*
* @param aGUID
* String GUID of add-on to retrieve
* @param aCallback
* The callback to pass the retrieved add-on to.
* @throws if the aGUID or aCallback arguments are not specified
*/
getAddonBySyncGUID: function AMI_getAddonBySyncGUID(aGUID, aCallback) {
if (!aGUID || !aCallback) {
throw Cr.NS_ERROR_INVALID_ARG;
}
new AsyncObjectCaller(this.providers, "getAddonBySyncGUID", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getAddonBySyncGUID", null, aGUID, function(aAddon) {
if (aAddon) {
safeCall(aCallback, aAddon);
} else {
aCaller.callNext();
}
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, null);
}
});
},
/**
* Asynchronously gets an array of add-ons.
*
* @param aIds
* The array of IDs to retrieve
* @param aCallback
* The callback to pass an array of Addons to
* @throws if the aId or aCallback arguments are not specified
*/
getAddonsByIDs: function AMI_getAddonsByIDs(aIds, aCallback) {
if (!aIds || !aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
let addons = [];
new AsyncObjectCaller(aIds, null, {
nextObject: function(aCaller, aId) {
AddonManagerInternal.getAddonByID(aId, function(aAddon) {
addons.push(aAddon);
aCaller.callNext();
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, addons);
}
});
},
/**
* Asynchronously gets add-ons of specific types.
*
* @param aTypes
* An optional array of types to retrieve. Each type is a string name
* @param aCallback
* The callback to pass an array of Addons to.
* @throws if the aCallback argument is not specified
*/
getAddonsByTypes: function AMI_getAddonsByTypes(aTypes, aCallback) {
if (!aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
let addons = [];
new AsyncObjectCaller(this.providers, "getAddonsByTypes", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getAddonsByTypes", null, aTypes,
function(aProviderAddons) {
addons = addons.concat(aProviderAddons);
aCaller.callNext();
});
},
noMoreObjects: function(aCaller) {
safeCall(aCallback, addons);
}
});
},
/**
* Asynchronously gets all installed add-ons.
*
* @param aCallback
* A callback which will be passed an array of Addons
*/
getAllAddons: function AMI_getAllAddons(aCallback) {
this.getAddonsByTypes(null, aCallback);
},
/**
* Asynchronously gets add-ons that have operations waiting for an application
* restart to complete.
*
* @param aTypes
* An optional array of types to retrieve. Each type is a string name
* @param aCallback
* The callback to pass the array of Addons to
* @throws if the aCallback argument is not specified
*/
getAddonsWithOperationsByTypes:
function AMI_getAddonsWithOperationsByTypes(aTypes, aCallback) {
if (!aCallback)
throw Cr.NS_ERROR_INVALID_ARG;
let addons = [];
new AsyncObjectCaller(this.providers, "getAddonsWithOperationsByTypes", {
nextObject: function(aCaller, aProvider) {
callProvider(aProvider, "getAddonsWithOperationsByTypes", null, aTypes,
function(aProviderAddons) {
addons = addons.concat(aProviderAddons);
aCaller.callNext();
});
},
noMoreObjects: function(caller) {
safeCall(aCallback, addons);
}
});
},
/**
* Adds a new AddonListener if the listener is not already registered.
*
* @param aListener
* The listener to add
*/
addAddonListener: function AMI_addAddonListener(aListener) {
if (!this.addonListeners.some(function(i) { return i == aListener; }))
this.addonListeners.push(aListener);
},
/**
* Removes an AddonListener if the listener is registered.
*
* @param aListener
* The listener to remove
*/
removeAddonListener: function AMI_removeAddonListener(aListener) {
let pos = 0;
while (pos < this.addonListeners.length) {
if (this.addonListeners[pos] == aListener)
this.addonListeners.splice(pos, 1);
else
pos++;
}
},
addTypeListener: function AMI_addTypeListener(aListener) {
if (!this.typeListeners.some(function(i) { return i == aListener; }))
this.typeListeners.push(aListener);
},
removeTypeListener: function AMI_removeTypeListener(aListener) {
let pos = 0;
while (pos < this.typeListeners.length) {
if (this.typeListeners[pos] == aListener)
this.typeListeners.splice(pos, 1);
else
pos++;
}
},
get addonTypes() {
return this.typesProxy;
},
get autoUpdateDefault() {
try {
return Services.prefs.getBoolPref(PREF_EM_AUTOUPDATE_DEFAULT);
} catch(e) { }
return true;
},
get strictCompatibility() {
return gStrictCompatibility;
}
};
/**
* Should not be used outside of core Mozilla code. This is a private API for
* the startup and platform integration code to use. Refer to the methods on
* AddonManagerInternal for documentation however note that these methods are
* subject to change at any time.
*/
var AddonManagerPrivate = {
startup: function AMP_startup() {
AddonManagerInternal.startup();
},
registerProvider: function AMP_registerProvider(aProvider, aTypes) {
AddonManagerInternal.registerProvider(aProvider, aTypes);
},
unregisterProvider: function AMP_unregisterProvider(aProvider) {
AddonManagerInternal.unregisterProvider(aProvider);
},
shutdown: function AMP_shutdown() {
AddonManagerInternal.shutdown();
},
backgroundUpdateCheck: function AMP_backgroundUpdateCheck() {
AddonManagerInternal.backgroundUpdateCheck();
},
addStartupChange: function AMP_addStartupChange(aType, aID) {
AddonManagerInternal.addStartupChange(aType, aID);
},
removeStartupChange: function AMP_removeStartupChange(aType, aID) {
AddonManagerInternal.removeStartupChange(aType, aID);
},
notifyAddonChanged: function AMP_notifyAddonChanged(aId, aType, aPendingRestart) {
AddonManagerInternal.notifyAddonChanged(aId, aType, aPendingRestart);
},
updateAddonAppDisabledStates: function AMP_updateAddonAppDisabledStates() {
AddonManagerInternal.updateAddonAppDisabledStates();
},
callInstallListeners: function AMP_callInstallListeners(aMethod) {
return AddonManagerInternal.callInstallListeners.apply(AddonManagerInternal,
arguments);
},
callAddonListeners: function AMP_callAddonListeners(aMethod) {
AddonManagerInternal.callAddonListeners.apply(AddonManagerInternal, arguments);
},
AddonAuthor: AddonAuthor,
AddonScreenshot: AddonScreenshot,
AddonCompatibilityOverride: AddonCompatibilityOverride,
AddonType: AddonType
};
/**
* This is the public API that UI and developers should be calling. All methods
* just forward to AddonManagerInternal.
*/
var AddonManager = {
// Constants for the AddonInstall.state property
// The install is available for download.
STATE_AVAILABLE: 0,
// The install is being downloaded.
STATE_DOWNLOADING: 1,
// The install is checking for compatibility information.
STATE_CHECKING: 2,
// The install is downloaded and ready to install.
STATE_DOWNLOADED: 3,
// The download failed.
STATE_DOWNLOAD_FAILED: 4,
// The add-on is being installed.
STATE_INSTALLING: 5,
// The add-on has been installed.
STATE_INSTALLED: 6,
// The install failed.
STATE_INSTALL_FAILED: 7,
// The install has been cancelled.
STATE_CANCELLED: 8,
// Constants representing different types of errors while downloading an
// add-on.
// The download failed due to network problems.
ERROR_NETWORK_FAILURE: -1,
// The downloaded file did not match the provided hash.
ERROR_INCORRECT_HASH: -2,
// The downloaded file seems to be corrupted in some way.
ERROR_CORRUPT_FILE: -3,
// An error occured trying to write to the filesystem.
ERROR_FILE_ACCESS: -4,
// These must be kept in sync with AddonUpdateChecker.
// No error was encountered.
UPDATE_STATUS_NO_ERROR: 0,
// The update check timed out
UPDATE_STATUS_TIMEOUT: -1,
// There was an error while downloading the update information.
UPDATE_STATUS_DOWNLOAD_ERROR: -2,
// The update information was malformed in some way.
UPDATE_STATUS_PARSE_ERROR: -3,
// The update information was not in any known format.
UPDATE_STATUS_UNKNOWN_FORMAT: -4,
// The update information was not correctly signed or there was an SSL error.
UPDATE_STATUS_SECURITY_ERROR: -5,
// Constants to indicate why an update check is being performed
// Update check has been requested by the user.
UPDATE_WHEN_USER_REQUESTED: 1,
// Update check is necessary to see if the Addon is compatibile with a new
// version of the application.
UPDATE_WHEN_NEW_APP_DETECTED: 2,
// Update check is necessary because a new application has been installed.
UPDATE_WHEN_NEW_APP_INSTALLED: 3,
// Update check is a regular background update check.
UPDATE_WHEN_PERIODIC_UPDATE: 16,
// Update check is needed to check an Addon that is being installed.
UPDATE_WHEN_ADDON_INSTALLED: 17,
// Constants for operations in Addon.pendingOperations
// Indicates that the Addon has no pending operations.
PENDING_NONE: 0,
// Indicates that the Addon will be enabled after the application restarts.
PENDING_ENABLE: 1,
// Indicates that the Addon will be disabled after the application restarts.
PENDING_DISABLE: 2,
// Indicates that the Addon will be uninstalled after the application restarts.
PENDING_UNINSTALL: 4,
// Indicates that the Addon will be installed after the application restarts.
PENDING_INSTALL: 8,
PENDING_UPGRADE: 16,
// Constants for operations in Addon.operationsRequiringRestart
// Indicates that restart isn't required for any operation.
OP_NEEDS_RESTART_NONE: 0,
// Indicates that restart is required for enabling the addon.
OP_NEEDS_RESTART_ENABLE: 1,
// Indicates that restart is required for disabling the addon.
OP_NEEDS_RESTART_DISABLE: 2,
// Indicates that restart is required for uninstalling the addon.
OP_NEEDS_RESTART_UNINSTALL: 4,
// Indicates that restart is required for installing the addon.
OP_NEEDS_RESTART_INSTALL: 8,
// Constants for permissions in Addon.permissions.
// Indicates that the Addon can be uninstalled.
PERM_CAN_UNINSTALL: 1,
// Indicates that the Addon can be enabled by the user.
PERM_CAN_ENABLE: 2,
// Indicates that the Addon can be disabled by the user.
PERM_CAN_DISABLE: 4,
// Indicates that the Addon can be upgraded.
PERM_CAN_UPGRADE: 8,
// General descriptions of where items are installed.
// Installed in this profile.
SCOPE_PROFILE: 1,
// Installed for all of this user's profiles.
SCOPE_USER: 2,
// Installed and owned by the application.
SCOPE_APPLICATION: 4,
// Installed for all users of the computer.
SCOPE_SYSTEM: 8,
// The combination of all scopes.
SCOPE_ALL: 15,
// 1-15 are different built-in views for the add-on type
VIEW_TYPE_LIST: "list",
TYPE_UI_HIDE_EMPTY: 16,
// Constants for Addon.applyBackgroundUpdates.
// Indicates that the Addon should not update automatically.
AUTOUPDATE_DISABLE: 0,
// Indicates that the Addon should update automatically only if
// that's the global default.
AUTOUPDATE_DEFAULT: 1,
// Indicates that the Addon should update automatically.
AUTOUPDATE_ENABLE: 2,
// Constants for how Addon options should be shown.
// Options will be opened in a new window
OPTIONS_TYPE_DIALOG: 1,
// Options will be displayed within the AM detail view
OPTIONS_TYPE_INLINE: 2,
// Options will be displayed in a new tab, if possible
OPTIONS_TYPE_TAB: 3,
// Constants for getStartupChanges, addStartupChange and removeStartupChange
// Add-ons that were detected as installed during startup. Doesn't include
// add-ons that were pending installation the last time the application ran.
STARTUP_CHANGE_INSTALLED: "installed",
// Add-ons that were detected as changed during startup. This includes an
// add-on moving to a different location, changing version or just having
// been detected as possibly changed.
STARTUP_CHANGE_CHANGED: "changed",
// Add-ons that were detected as uninstalled during startup. Doesn't include
// add-ons that were pending uninstallation the last time the application ran.
STARTUP_CHANGE_UNINSTALLED: "uninstalled",
// Add-ons that were detected as disabled during startup, normally because of
// an application change making an add-on incompatible. Doesn't include
// add-ons that were pending being disabled the last time the application ran.
STARTUP_CHANGE_DISABLED: "disabled",
// Add-ons that were detected as enabled during startup, normally because of
// an application change making an add-on compatible. Doesn't include
// add-ons that were pending being enabled the last time the application ran.
STARTUP_CHANGE_ENABLED: "enabled",
getInstallForURL: function AM_getInstallForURL(aUrl, aCallback, aMimetype,
aHash, aName, aIconURL,
aVersion, aLoadGroup) {
AddonManagerInternal.getInstallForURL(aUrl, aCallback, aMimetype, aHash,
aName, aIconURL, aVersion, aLoadGroup);
},
getInstallForFile: function AM_getInstallForFile(aFile, aCallback, aMimetype) {
AddonManagerInternal.getInstallForFile(aFile, aCallback, aMimetype);
},
/**
* Gets an array of add-on IDs that changed during the most recent startup.
*
* @param aType
* The type of startup change to get
* @return An array of add-on IDs
*/
getStartupChanges: function AM_getStartupChanges(aType) {
if (!(aType in AddonManagerInternal.startupChanges))
return [];
return AddonManagerInternal.startupChanges[aType].slice(0);
},
getAddonByID: function AM_getAddonByID(aId, aCallback) {
AddonManagerInternal.getAddonByID(aId, aCallback);
},
getAddonBySyncGUID: function AM_getAddonBySyncGUID(aId, aCallback) {
AddonManagerInternal.getAddonBySyncGUID(aId, aCallback);
},
getAddonsByIDs: function AM_getAddonsByIDs(aIds, aCallback) {
AddonManagerInternal.getAddonsByIDs(aIds, aCallback);
},
getAddonsWithOperationsByTypes:
function AM_getAddonsWithOperationsByTypes(aTypes, aCallback) {
AddonManagerInternal.getAddonsWithOperationsByTypes(aTypes, aCallback);
},
getAddonsByTypes: function AM_getAddonsByTypes(aTypes, aCallback) {
AddonManagerInternal.getAddonsByTypes(aTypes, aCallback);
},
getAllAddons: function AM_getAllAddons(aCallback) {
AddonManagerInternal.getAllAddons(aCallback);
},
getInstallsByTypes: function AM_getInstallsByTypes(aTypes, aCallback) {
AddonManagerInternal.getInstallsByTypes(aTypes, aCallback);
},
getAllInstalls: function AM_getAllInstalls(aCallback) {
AddonManagerInternal.getAllInstalls(aCallback);
},
isInstallEnabled: function AM_isInstallEnabled(aType) {
return AddonManagerInternal.isInstallEnabled(aType);
},
isInstallAllowed: function AM_isInstallAllowed(aType, aUri) {
return AddonManagerInternal.isInstallAllowed(aType, aUri);
},
installAddonsFromWebpage: function AM_installAddonsFromWebpage(aType, aSource,
aUri, aInstalls) {
AddonManagerInternal.installAddonsFromWebpage(aType, aSource, aUri, aInstalls);
},
addInstallListener: function AM_addInstallListener(aListener) {
AddonManagerInternal.addInstallListener(aListener);
},
removeInstallListener: function AM_removeInstallListener(aListener) {
AddonManagerInternal.removeInstallListener(aListener);
},
addAddonListener: function AM_addAddonListener(aListener) {
AddonManagerInternal.addAddonListener(aListener);
},
removeAddonListener: function AM_removeAddonListener(aListener) {
AddonManagerInternal.removeAddonListener(aListener);
},
addTypeListener: function AM_addTypeListener(aListener) {
AddonManagerInternal.addTypeListener(aListener);
},
removeTypeListener: function AM_removeTypeListener(aListener) {
AddonManagerInternal.removeTypeListener(aListener);
},
get addonTypes() {
return AddonManagerInternal.addonTypes;
},
get autoUpdateDefault() {
return AddonManagerInternal.autoUpdateDefault;
},
shouldAutoUpdate: function AM_shouldAutoUpdate(aAddon) {
if (!("applyBackgroundUpdates" in aAddon))
return false;
if (aAddon.applyBackgroundUpdates == AddonManager.AUTOUPDATE_ENABLE)
return true;
if (aAddon.applyBackgroundUpdates == AddonManager.AUTOUPDATE_DISABLE)
return false;
return this.autoUpdateDefault;
},
get strictCompatibility() {
return AddonManagerInternal.strictCompatibility;
}
};
Object.freeze(AddonManagerInternal);
Object.freeze(AddonManagerPrivate);
Object.freeze(AddonManager);