Quelle aboutDialog-appUpdater.js Sprache: JAVA

/* 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.xhtml and preferences/advanced.xhtml
// if MOZ_UPDATER is defined.

/* import-globals-from aboutDialog.js */

var { XPCOMUtils } = ChromeUtils.importESModule(
  "resource://gre/modules/XPCOMUtils.sys.mjs"
);

ChromeUtils.defineESModuleGetters(this, {
  AppUpdater: "resource://gre/modules/AppUpdater.sys.mjs",
  DownloadUtils: "resource://gre/modules/DownloadUtils.sys.mjs",
  UpdateUtils: "resource://gre/modules/UpdateUtils.sys.mjs",
});

XPCOMUtils.defineLazyServiceGetter(
  this,
  "AUS",
  "@mozilla.org/updates/update-service;1",
  "nsIApplicationUpdateService"
);

var UPDATING_MIN_DISPLAY_TIME_MS = 1500;

var gAppUpdater;

function onUnload(_aEvent) {
  if (gAppUpdater) {
    gAppUpdater.destroy();
    gAppUpdater = null;
  }
}

function appUpdater(options = {}) {
  this._appUpdater = new AppUpdater();

  this._appUpdateListener = (status, ...args) => {
    this._onAppUpdateStatus(status, ...args);
  };
  this._appUpdater.addListener(this._appUpdateListener);

  this.options = options;
  this.updatingMinDisplayTimerId = null;
  this.updateDeck = document.getElementById("updateDeck");

  this.bundle = Services.strings.createBundle(
    "chrome://browser/locale/browser.properties"
  );

  try {
    let manualURL = new URL(
      Services.urlFormatter.formatURLPref("app.update.url.manual")
    );

    for (const manualLink of document.querySelectorAll(".manualLink")) {
      // Strip hash and search parameters for display text.
      let displayUrl = manualURL.origin + manualURL.pathname;
      manualLink.href = manualURL.href;
      document.l10n.setArgs(manualLink.closest("[data-l10n-id]"), {
        displayUrl,
      });
    }

    document.getElementById("failedLink").href = manualURL.href;
  } catch (e) {
    console.error("Invalid manual update url.", e);
  }

  this._appUpdater.check();
}

appUpdater.prototype = {
  destroy() {
    this.stopCurrentCheck();
    if (this.updatingMinDisplayTimerId) {
      clearTimeout(this.updatingMinDisplayTimerId);
    }
  },

  stopCurrentCheck() {
    this._appUpdater.removeListener(this._appUpdateListener);
    this._appUpdater.stop();
  },

  get update() {
    return this._appUpdater.update;
  },

  get selectedPanel() {
    return this.updateDeck.selectedPanel;
  },

  _onAppUpdateStatus(status, ...args) {
    switch (status) {
      case AppUpdater.STATUS.UPDATE_DISABLED_BY_POLICY:
        this.selectPanel("policyDisabled");
        break;
      case AppUpdater.STATUS.READY_FOR_RESTART:
        this.selectPanel("apply");
        break;
      case AppUpdater.STATUS.OTHER_INSTANCE_HANDLING_UPDATES:
        this.selectPanel("otherInstanceHandlingUpdates");
        break;
      case AppUpdater.STATUS.DOWNLOADING: {
        const downloadStatus = document.getElementById("downloading");
        if (!args.length) {
          // Very early in the DOWNLOADING state, `selectedPatch` may not be
          // available yet. But this function will be called again when it is
          // available. A `maxSize < 0` indicates that the max size is not yet
          // available.
          let maxSize = -1;
          if (this.update.selectedPatch) {
            maxSize = this.update.selectedPatch.size;
          }
          const transfer = DownloadUtils.getTransferTotal(0, maxSize);
          document.l10n.setArgs(downloadStatus, { transfer });
          this.selectPanel("downloading");
        } else {
          let [progress, max] = args;
          const transfer = DownloadUtils.getTransferTotal(progress, max);
          document.l10n.setArgs(downloadStatus, { transfer });
        }
        break;
      }
      case AppUpdater.STATUS.STAGING:
        this.selectPanel("applying");
        break;
      case AppUpdater.STATUS.CHECKING: {
        this.checkingForUpdatesDelayPromise = new Promise(resolve => {
          this.updatingMinDisplayTimerId = setTimeout(
            resolve,
            UPDATING_MIN_DISPLAY_TIME_MS
          );
        });
        if (Services.policies.isAllowed("appUpdate")) {
          this.selectPanel("checkingForUpdates");
        } else {
          this.selectPanel("policyDisabled");
        }
        break;
      }
      case AppUpdater.STATUS.CHECKING_FAILED:
        this.selectPanel("checkingFailed");
        break;
      case AppUpdater.STATUS.NO_UPDATES_FOUND:
        this.checkingForUpdatesDelayPromise.then(() => {
          if (Services.policies.isAllowed("appUpdate")) {
            this.selectPanel("noUpdatesFound");
          } else {
            this.selectPanel("policyDisabled");
          }
        });
        break;
      case AppUpdater.STATUS.UNSUPPORTED_SYSTEM:
        if (this.update.detailsURL) {
          let unsupportedLink = document.getElementById("unsupportedLink");
          unsupportedLink.href = this.update.detailsURL;
        }
        this.selectPanel("unsupportedSystem");
        break;
      case AppUpdater.STATUS.MANUAL_UPDATE:
        this.selectPanel("manualUpdate");
        break;
      case AppUpdater.STATUS.DOWNLOAD_AND_INSTALL:
        this.selectPanel("downloadAndInstall");
        break;
      case AppUpdater.STATUS.DOWNLOAD_FAILED:
        this.selectPanel("downloadFailed");
        break;
      case AppUpdater.STATUS.INTERNAL_ERROR:
        this.selectPanel("internalError");
        break;
      case AppUpdater.STATUS.NEVER_CHECKED:
        this.selectPanel("checkForUpdates");
        break;
      case AppUpdater.STATUS.NO_UPDATER:
      default:
        this.selectPanel("noUpdater");
        break;
    }
  },

  /**
   * Sets the panel of the updateDeck and the icon class.
   *
   * @param  aChildID
   *         The id of the deck's child to select, e.g. "apply".
   */
  selectPanel(aChildID) {
    let panel = document.getElementById(aChildID);
    let icon = document.getElementById("updateIcon");
    if (icon) {
      icon.className = aChildID;
    }

    // Make sure to select the panel before potentially auto-focusing the button.
    this.updateDeck.selectedPanel = panel;

    let button = panel.querySelector("button");
    if (button) {
      if (aChildID == "downloadAndInstall") {
        let updateVersion = gAppUpdater.update.displayVersion;
        // Include the build ID if this is an "a#" (nightly or aurora) build
        if (/a\d+$/.test(updateVersion)) {
          let buildID = gAppUpdater.update.buildID;
          let year = buildID.slice(0, 4);
          let month = buildID.slice(4, 6);
          let day = buildID.slice(6, 8);
          updateVersion += ` (${year}-${month}-${day})`;
        }
        button.label = this.bundle.formatStringFromName(
          "update.downloadAndInstallButton.label",
          [updateVersion]
        );
        button.accessKey = this.bundle.GetStringFromName(
          "update.downloadAndInstallButton.accesskey"
        );
      }
      if (this.options.buttonAutoFocus) {
        let promise = Promise.resolve();
        if (document.readyState != "complete") {
          promise = new Promise(resolve =>
            window.addEventListener("load", resolve, { once: true })
          );
        }
        promise.then(() => {
          if (
            !document.commandDispatcher.focusedElement || // don't steal the focus
            // except from the other buttons
            document.commandDispatcher.focusedElement.localName == "button"
          ) {
            button.focus();
          }
        });
      }
    }
  },

  /**
   * Check for updates
   */
  checkForUpdates() {
    this._appUpdater.check();
  },

  /**
   * Handles oncommand for the "Restart to Update" button
   * which is presented after the download has been downloaded.
   */
  buttonRestartAfterDownload() {
    if (AUS.currentState != Ci.nsIApplicationUpdateService.STATE_PENDING) {
      return;
    }

    gAppUpdater.selectPanel("restarting");

    // Notify all windows that an application quit has been requested.
    let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"].createInstance(
      Ci.nsISupportsPRBool
    );
    Services.obs.notifyObservers(
      cancelQuit,
      "quit-application-requested",
      "restart"
    );

    // Something aborted the quit process.
    if (cancelQuit.data) {
      gAppUpdater.selectPanel("apply");
      return;
    }

    // If already in safe mode restart in safe mode (bug 327119)
    if (Services.appinfo.inSafeMode) {
      Services.startup.restartInSafeMode(Ci.nsIAppStartup.eAttemptQuit);
      return;
    }

    if (
      !Services.startup.quit(
        Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart
      )
    ) {
      // Either the user or the hidden window aborted the quit process.
      gAppUpdater.selectPanel("apply");
    }
  },

  /**
   * Starts the download of an update mar.
   */
  startDownload() {
    this._appUpdater.allowUpdateDownload();
  },
};

quality75%

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.