Issue #303 Part 1: Move basilisk files from /browser to /application/basilisk

1 files changed, 428 insertions, 0 deletions

diff --git a/application/basilisk/base/content/aboutDialog-appUpdater.js b/application/basilisk/base/content/aboutDialog-appUpdater.js
new file mode 100644
index 000000000..4b4fc6618
--- /dev/null
+++ b/application/basilisk/base/content/aboutDialog-appUpdater.js
@@ -0,0 +1,428 @@
+/* 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/. */
+
+// Note: this file is included in aboutDialog.xul if MOZ_UPDATER is defined.
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+Components.utils.import("resource://gre/modules/DownloadUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "UpdateUtils",
+                                  "resource://gre/modules/UpdateUtils.jsm");
+
+const PREF_APP_UPDATE_CANCELATIONS_OSX = "app.update.cancelations.osx";
+const PREF_APP_UPDATE_ELEVATE_NEVER    = "app.update.elevate.never";
+
+var gAppUpdater;
+
+function onUnload(aEvent) {
+  if (gAppUpdater.isChecking)
+    gAppUpdater.checker.stopChecking(Components.interfaces.nsIUpdateChecker.CURRENT_CHECK);
+  // Safe to call even when there isn't a download in progress.
+  gAppUpdater.removeDownloadListener();
+  gAppUpdater = null;
+}
+
+
+function appUpdater()
+{
+  XPCOMUtils.defineLazyServiceGetter(this, "aus",
+                                     "@mozilla.org/updates/update-service;1",
+                                     "nsIApplicationUpdateService");
+  XPCOMUtils.defineLazyServiceGetter(this, "checker",
+                                     "@mozilla.org/updates/update-checker;1",
+                                     "nsIUpdateChecker");
+  XPCOMUtils.defineLazyServiceGetter(this, "um",
+                                     "@mozilla.org/updates/update-manager;1",
+                                     "nsIUpdateManager");
+
+  this.updateDeck = document.getElementById("updateDeck");
+
+  // Hide the update deck when the update window is already open and it's not
+  // already applied, to avoid syncing issues between them. Applied updates
+  // don't have any information to sync between the windows as they both just
+  // show the "Restart to continue"-type button.
+  if (Services.wm.getMostRecentWindow("Update:Wizard") &&
+      !this.isApplied) {
+    this.updateDeck.hidden = true;
+    return;
+  }
+
+  this.bundle = Services.strings.
+                createBundle("chrome://browser/locale/browser.properties");
+
+  let manualURL = Services.urlFormatter.formatURLPref("app.update.url.manual");
+  let manualLink = document.getElementById("manualLink");
+  manualLink.value = manualURL;
+  manualLink.href = manualURL;
+  document.getElementById("failedLink").href = manualURL;
+
+  if (this.updateDisabledAndLocked) {
+    this.selectPanel("adminDisabled");
+    return;
+  }
+
+  if (this.isPending || this.isApplied) {
+    this.selectPanel("apply");
+    return;
+  }
+
+  if (this.aus.isOtherInstanceHandlingUpdates) {
+    this.selectPanel("otherInstanceHandlingUpdates");
+    return;
+  }
+
+  if (this.isDownloading) {
+    this.startDownload();
+    // selectPanel("downloading") is called from setupDownloadingUI().
+    return;
+  }
+
+  // Honor the "Never check for updates" option by not only disabling background
+  // update checks, but also in the About dialog, by presenting a
+  // "Check for updates" button.
+  // If updates are found, the user is then asked if he wants to "Update to <version>".
+  if (!this.updateEnabled ||
+      Services.prefs.prefHasUserValue(PREF_APP_UPDATE_ELEVATE_NEVER)) {
+    this.selectPanel("checkForUpdates");
+    return;
+  }
+
+  // That leaves the options
+  // "Check for updates, but let me choose whether to install them", and
+  // "Automatically install updates".
+  // In both cases, we check for updates without asking.
+  // In the "let me choose" case, we ask before downloading though, in onCheckComplete.
+  this.checkForUpdates();
+}
+
+appUpdater.prototype =
+{
+  // true when there is an update check in progress.
+  isChecking: false,
+
+  // true when there is an update already staged / ready to be applied.
+  get isPending() {
+    if (this.update) {
+      return this.update.state == "pending" ||
+             this.update.state == "pending-service" ||
+             this.update.state == "pending-elevate";
+    }
+    return this.um.activeUpdate &&
+           (this.um.activeUpdate.state == "pending" ||
+            this.um.activeUpdate.state == "pending-service" ||
+            this.um.activeUpdate.state == "pending-elevate");
+  },
+
+  // true when there is an update already installed in the background.
+  get isApplied() {
+    if (this.update)
+      return this.update.state == "applied" ||
+             this.update.state == "applied-service";
+    return this.um.activeUpdate &&
+           (this.um.activeUpdate.state == "applied" ||
+            this.um.activeUpdate.state == "applied-service");
+  },
+
+  // true when there is an update download in progress.
+  get isDownloading() {
+    if (this.update)
+      return this.update.state == "downloading";
+    return this.um.activeUpdate &&
+           this.um.activeUpdate.state == "downloading";
+  },
+
+  // true when updating is disabled by an administrator.
+  get updateDisabledAndLocked() {
+    return !this.updateEnabled &&
+           Services.prefs.prefIsLocked("app.update.enabled");
+  },
+
+  // true when updating is enabled.
+  get updateEnabled() {
+    try {
+      return Services.prefs.getBoolPref("app.update.enabled");
+    }
+    catch (e) { }
+    return true; // Firefox default is true
+  },
+
+  // true when updating in background is enabled.
+  get backgroundUpdateEnabled() {
+    return this.updateEnabled &&
+           gAppUpdater.aus.canStageUpdates;
+  },
+
+  // true when updating is automatic.
+  get updateAuto() {
+    try {
+      return Services.prefs.getBoolPref("app.update.auto");
+    }
+    catch (e) { }
+    return true; // Firefox default is true
+  },
+
+  /**
+   * Sets the panel of the updateDeck.
+   *
+   * @param  aChildID
+   *         The id of the deck's child to select, e.g. "apply".
+   */
+  selectPanel: function(aChildID) {
+    let panel = document.getElementById(aChildID);
+
+    let button = panel.querySelector("button");
+    if (button) {
+      if (aChildID == "downloadAndInstall") {
+        let updateVersion = gAppUpdater.update.displayVersion;
+        button.label = this.bundle.formatStringFromName("update.downloadAndInstallButton.label", [updateVersion], 1);
+        button.accessKey = this.bundle.GetStringFromName("update.downloadAndInstallButton.accesskey");
+      }
+      this.updateDeck.selectedPanel = panel;
+      if (!document.commandDispatcher.focusedElement || // don't steal the focus
+          document.commandDispatcher.focusedElement.localName == "button") // except from the other buttons
+        button.focus();
+
+    } else {
+      this.updateDeck.selectedPanel = panel;
+    }
+  },
+
+  /**
+   * Check for updates
+   */
+  checkForUpdates: function() {
+    // Clear prefs that could prevent a user from discovering available updates.
+    if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_CANCELATIONS_OSX)) {
+      Services.prefs.clearUserPref(PREF_APP_UPDATE_CANCELATIONS_OSX);
+    }
+    if (Services.prefs.prefHasUserValue(PREF_APP_UPDATE_ELEVATE_NEVER)) {
+      Services.prefs.clearUserPref(PREF_APP_UPDATE_ELEVATE_NEVER);
+    }
+    this.selectPanel("checkingForUpdates");
+    this.isChecking = true;
+    this.checker.checkForUpdates(this.updateCheckListener, true);
+    // after checking, onCheckComplete() is called
+  },
+
+  /**
+   * Handles oncommand for the "Restart to Update" button
+   * which is presented after the download has been downloaded.
+   */
+  buttonRestartAfterDownload: function() {
+    if (!this.isPending && !this.isApplied) {
+      return;
+    }
+
+    gAppUpdater.selectPanel("restarting");
+
+    // Notify all windows that an application quit has been requested.
+    let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"].
+                     createInstance(Components.interfaces.nsISupportsPRBool);
+    Services.obs.notifyObservers(cancelQuit, "quit-application-requested", "restart");
+
+    // Something aborted the quit process.
+    if (cancelQuit.data) {
+      gAppUpdater.selectPanel("apply");
+      return;
+    }
+
+    let appStartup = Components.classes["@mozilla.org/toolkit/app-startup;1"].
+                     getService(Components.interfaces.nsIAppStartup);
+
+    // If already in safe mode restart in safe mode (bug 327119)
+    if (Services.appinfo.inSafeMode) {
+      appStartup.restartInSafeMode(Components.interfaces.nsIAppStartup.eAttemptQuit);
+      return;
+    }
+
+    appStartup.quit(Components.interfaces.nsIAppStartup.eAttemptQuit |
+                    Components.interfaces.nsIAppStartup.eRestart);
+  },
+
+  /**
+   * Implements nsIUpdateCheckListener. The methods implemented by
+   * nsIUpdateCheckListener are in a different scope from nsIIncrementalDownload
+   * to make it clear which are used by each interface.
+   */
+  updateCheckListener: {
+    /**
+     * See nsIUpdateService.idl
+     */
+    onCheckComplete: function(aRequest, aUpdates, aUpdateCount) {
+      gAppUpdater.isChecking = false;
+      gAppUpdater.update = gAppUpdater.aus.
+                           selectUpdate(aUpdates, aUpdates.length);
+      if (!gAppUpdater.update) {
+        gAppUpdater.selectPanel("noUpdatesFound");
+        return;
+      }
+
+      if (gAppUpdater.update.unsupported) {
+        if (gAppUpdater.update.detailsURL) {
+          let unsupportedLink = document.getElementById("unsupportedLink");
+          unsupportedLink.href = gAppUpdater.update.detailsURL;
+        }
+        gAppUpdater.selectPanel("unsupportedSystem");
+        return;
+      }
+
+      if (!gAppUpdater.aus.canApplyUpdates) {
+        gAppUpdater.selectPanel("manualUpdate");
+        return;
+      }
+
+      if (gAppUpdater.updateAuto) // automatically download and install
+        gAppUpdater.startDownload();
+      else // ask
+        gAppUpdater.selectPanel("downloadAndInstall");
+    },
+
+    /**
+     * See nsIUpdateService.idl
+     */
+    onError: function(aRequest, aUpdate) {
+      // Errors in the update check are treated as no updates found. If the
+      // update check fails repeatedly without a success the user will be
+      // notified with the normal app update user interface so this is safe.
+      gAppUpdater.isChecking = false;
+      gAppUpdater.selectPanel("noUpdatesFound");
+    },
+
+    /**
+     * See nsISupports.idl
+     */
+    QueryInterface: function(aIID) {
+      if (!aIID.equals(Components.interfaces.nsIUpdateCheckListener) &&
+          !aIID.equals(Components.interfaces.nsISupports))
+        throw Components.results.NS_ERROR_NO_INTERFACE;
+      return this;
+    }
+  },
+
+  /**
+   * Starts the download of an update mar.
+   */
+  startDownload: function() {
+    if (!this.update)
+      this.update = this.um.activeUpdate;
+    this.update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
+    this.update.setProperty("foregroundDownload", "true");
+
+    this.aus.pauseDownload();
+    let state = this.aus.downloadUpdate(this.update, false);
+    if (state == "failed") {
+      this.selectPanel("downloadFailed");
+      return;
+    }
+
+    this.setupDownloadingUI();
+  },
+
+  /**
+   * Switches to the UI responsible for tracking the download.
+   */
+  setupDownloadingUI: function() {
+    this.downloadStatus = document.getElementById("downloadStatus");
+    this.downloadStatus.value =
+      DownloadUtils.getTransferTotal(0, this.update.selectedPatch.size);
+    this.selectPanel("downloading");
+    this.aus.addDownloadListener(this);
+  },
+
+  removeDownloadListener: function() {
+    if (this.aus) {
+      this.aus.removeDownloadListener(this);
+    }
+  },
+
+  /**
+   * See nsIRequestObserver.idl
+   */
+  onStartRequest: function(aRequest, aContext) {
+  },
+
+  /**
+   * See nsIRequestObserver.idl
+   */
+  onStopRequest: function(aRequest, aContext, aStatusCode) {
+    switch (aStatusCode) {
+    case Components.results.NS_ERROR_UNEXPECTED:
+      if (this.update.selectedPatch.state == "download-failed" &&
+          (this.update.isCompleteUpdate || this.update.patchCount != 2)) {
+        // Verification error of complete patch, informational text is held in
+        // the update object.
+        this.removeDownloadListener();
+        this.selectPanel("downloadFailed");
+        break;
+      }
+      // Verification failed for a partial patch, complete patch is now
+      // downloading so return early and do NOT remove the download listener!
+      break;
+    case Components.results.NS_BINDING_ABORTED:
+      // Do not remove UI listener since the user may resume downloading again.
+      break;
+    case Components.results.NS_OK:
+      this.removeDownloadListener();
+      if (this.backgroundUpdateEnabled) {
+        this.selectPanel("applying");
+        let self = this;
+        Services.obs.addObserver(function (aSubject, aTopic, aData) {
+          // Update the UI when the background updater is finished
+          let status = aData;
+          if (status == "applied" || status == "applied-service" ||
+              status == "pending" || status == "pending-service" ||
+              status == "pending-elevate") {
+            // If the update is successfully applied, or if the updater has
+            // fallen back to non-staged updates, show the "Restart to Update"
+            // button.
+            self.selectPanel("apply");
+          } else if (status == "failed") {
+            // Background update has failed, let's show the UI responsible for
+            // prompting the user to update manually.
+            self.selectPanel("downloadFailed");
+          } else if (status == "downloading") {
+            // We've fallen back to downloading the full update because the
+            // partial update failed to get staged in the background.
+            // Therefore we need to keep our observer.
+            self.setupDownloadingUI();
+            return;
+          }
+          Services.obs.removeObserver(arguments.callee, "update-staged");
+        }, "update-staged", false);
+      } else {
+        this.selectPanel("apply");
+      }
+      break;
+    default:
+      this.removeDownloadListener();
+      this.selectPanel("downloadFailed");
+      break;
+    }
+  },
+
+  /**
+   * See nsIProgressEventSink.idl
+   */
+  onStatus: function(aRequest, aContext, aStatus, aStatusArg) {
+  },
+
+  /**
+   * See nsIProgressEventSink.idl
+   */
+  onProgress: function(aRequest, aContext, aProgress, aProgressMax) {
+    this.downloadStatus.value =
+      DownloadUtils.getTransferTotal(aProgress, aProgressMax);
+  },
+
+  /**
+   * See nsISupports.idl
+   */
+  QueryInterface: function(aIID) {
+    if (!aIID.equals(Components.interfaces.nsIProgressEventSink) &&
+        !aIID.equals(Components.interfaces.nsIRequestObserver) &&
+        !aIID.equals(Components.interfaces.nsISupports))
+      throw Components.results.NS_ERROR_NO_INTERFACE;
+    return this;
+  }
+};