/* 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/. */

 #include "nsISupports.idl"

[scriptable, uuid(edc38cb5-b6f6-4aeb-bd45-7be8e00fc364)]
interface nsIDefaultAgent : nsISupports
{
  /**
  * Create a Windows scheduled task that will launch this binary with the
  * do-task command every 24 hours, starting from 24 hours after register-task
  * is run.
  *
  * @param {AString} aUniqueToken
  *        A unique identifier for this installation; typically the install path
  *        hash that's used for the update directory, the AppUserModelID, and
  *        other related purposes.
  */
  void registerTask(in AString aUniqueToken);

  /**
  * Update an existing task registration, without changing its schedule. This
  * should be called during updates of the application, in case this program
  * has been updated and any of the task parameters have changed.
  *
  * @param {AString} aUniqueToken
  *        A unique identifier for this installation; the same one provided when
  *        the task was registered.
  */
  void updateTask(in AString aUniqueToken);

  /**
  * Removes the previously created task. The unique token argument is required
  * and should be the same one that was passed in when the task was registered.
  *
  * @param {AString} aUniqueToken
  *        A unique identifier for this installation; the same one provided when
  *        the task was registered.
  */
  void unregisterTask(in AString aUniqueToken);

  /**
  * Removes the previously created task, and also removes all registry entries
  * running the task may have created.
  *
  * @param {AString} aUniqueToken
  *        A unique identifier for this installation; the same one provided when
  *        the task was registered.
  */
  void uninstall(in AString aUniqueToken);

  /**
  * Returns the number of seconds since the last time the app was launched. In
  * case of not being able to determine the last time the app was launched,
  * returns a negative value.
  *
  * @return long long} Number of seconds elapsed since the last time the app
  *         was launched
  */
  long long secondsSinceLastAppRun();

  /**
  * Returns a string for the default browser if known, binned to known browsers.
  *
  * @return {AString}
  *         The current default browser.
  */
  AString getDefaultBrowser();

  /**
  * Gets and replaces the previously found default browser from the registry.
  *
  * @param {AString} aCurrentBrowser
  *        The current known browser to save to the registry.
  * @return {AString}
  *         The previous known browser from the registry.
  */
  AString getReplacePreviousDefaultBrowser(in AString aCurrentBrowser);

  /**
  * Returns a string for the default PDF handler if known, binned to known
  * PDF handlers.
  *
  * @return {AString}
  *         The previous default PDF handler.
  */
  AString getDefaultPdfHandler();

  /**
  * Sends a Default Agent telemetry ping.
  *
  * @param {AString} aCurrentBrowser
  *        The current known browser.
  * @param {AString} aPreviousBrowser
  *        The previous known browser.
  * @param {AString} aPdfHandler
  *        The current known PDF handler.
  * @param {AString} aNotificationShown
  *        If the notification was or wasn't shown. See
  *        `toolkit/mozapps/defaultagent/Notification.h` for valid values.
  * @param {AString} aNotificationAction
  *        The notification action taken by the user. See
  *        `toolkit/mozapps/defaultagent/Notification.h` for valid values.
  * @param {unsigned long} daysSinceLastAppLaunch
  *         The number of days it has been since the Firefox app was last launched.
  *         Currently, policy limits the default browser agent to reporting data
  *         for at most 90 days.
  */
  void sendPing(in AString aCurrentBrowser, in AString aPreviousBrowser, in AString aPdfHandler, in AString aNotificationShown, in AString aNotificationAction, in unsigned long daysSinceLastAppLaunch);

  /**
  * Set the default browser and optionally additional file extensions via the
  * UserChoice registry keys.
  *
  * @param {AString} aAumid
  *        Suffix to be appended to ProgIDs when registering system defaults.
  * @param {Array<AString>} aExtraFileExtensions
  *        Additional optional file extensions to register specified as argument
  *        pairs: the first element is the file extension, the second element is
  *        the root of a ProgID, which will be suffixed with `-{aAumid}`.
  */
  void setDefaultBrowserUserChoice(in AString aAumid, in Array<AString> aExtraFileExtensions);

  /**
  * Set the default browser and optionally additional file extensions via the
  * UserChoice registry keys, asynchronously. Does the actual work on a
  * background thread.
  *
  * @param {AString} aAumid
  *        Suffix to be appended to ProgIDs when registering system defaults.
  * @param {Array<AString>} aExtraFileExtensions
  *        Additional optional file extensions to register specified as argument
  *        pairs: the first element is the file extension, the second element is
  *        the root of a ProgID, which will be suffixed with `-{aAumid}`.
  */
  [implicit_jscontext]
  Promise setDefaultBrowserUserChoiceAsync(in AString aAumid, in Array<AString> aExtraFileExtensions);

  /**
  * Sets file extensions via the UserChoice registry keys.
  *
  * @param {AString} aAumid
  *        Suffix to be appended to ProgIDs when registering system defaults.
  * @param {Array<AString>} aExtraFileExtensions
  *        File extensions to register specified as argument pairs: the first
  *        element is the file extension, the second element is the root of a
  *        ProgID, which will be suffixed with `-{aAumid}`.
  */
  void setDefaultExtensionHandlersUserChoice(in AString aAumid, in Array<AString> aFileExtensions);

  /**
  * Checks if the default agent has been disabled.
  *
  * @return {boolean} true if the default agent is disabled.
  */
  boolean agentDisabled();
};
