Import Tycho's Add-on Manager

1 files changed, 204 insertions, 0 deletions

diff --git a/toolkit/mozapps/extensions/addonManager.js b/toolkit/mozapps/extensions/addonManager.js
new file mode 100644
index 000000000..862b1ea69
--- /dev/null
+++ b/toolkit/mozapps/extensions/addonManager.js
@@ -0,0 +1,204 @@
+/* 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]);