/* 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 "nsIShellService.idl"

interface nsIINIParserWriter;
interface mozIDOMWindowProxy;

[scriptable, uuid(2ce5c803-edcd-443d-98eb-ceba86d02d13)]
interface nsIGNOMEShellService : nsIShellService
{
  /**
   * Used to determine whether or not to offer "Set as desktop background"
   * functionality. Even if shell service is available it is not
   * guaranteed that it is able to set the background for every desktop
   * which is especially true for Linux with its many different desktop
   * environments.
   */
  readonly attribute boolean canSetDesktopBackground;

  /**
   * Returns true if Firefox is set as the default handler for the scheme.
   */
  boolean isDefaultForScheme(in AUTF8String aScheme);

  AUTF8String getGSettingsString(in AUTF8String aScheme, in AUTF8String aKey);
  void setGSettingsString(in AUTF8String aScheme, in AUTF8String aKey, in AUTF8String aValue);

  /**
   * Gets the command name that was used to start the browser.
   *
   * @returns the value of argv[0].
   */
  ACString getArgv0();

  /**
   * Gets the program name from GLib, which is used as the default window
   * class. This will often be identical to the app remotingName, but can be
   * overridden with the '--name' command line argument.
   *
   * @returns the result of g_get_prgname.
   */
  ACString getGlibPrgname();

  /**
   * Used for the return value of getDesktopEntryStatus. 'ABSENT' indicates the
   * desktop file doesn't exist (or does but is marked Hidden=); 'INVISIBLE'
   * indicates the desktop file exists, but will not be shown (e.g. via
   * NoDisplay=); 'VISIBLE' indicates that it does exist and will be shown.
   */
  cenum DesktopEntryStatus : 8 {
    DESKTOP_ENTRY_ABSENT = 0,
    DESKTOP_ENTRY_INVISIBLE = 1,
    DESKTOP_ENTRY_VISIBLE = 2,
  };

  /**
   * Determines whether the named desktop entry exists and is visible,
   * returning a status intended for telemetry.
   *
   * Note that this could be inaccurate if you're running under Flatpak or
   * Snap. From JavaScript, you can detect that with nsGIOService.
   *
   * @param aEntryId The ID of the desktop entry; this should end with
   *        '.desktop'.
   * @returns The current status of the desktop entry.
   */
  nsIGNOMEShellService_DesktopEntryStatus getDesktopEntryStatus(in AUTF8String aEntryId);

  /**
   * Uses the Dynamic Launcher portal to install a desktop entry for this user.
   *
   * @param aEntryId The ID of the desktop entry; if this were being installed
   *        manually, this would be the filename before ".desktop".
   * @param aDesktopEntry The content of the desktop entry. Note that the
   *        'Name' and 'Icon' fields may be overridden by the user.
   * @param aWindow The window to use as the owner of the dialog (if any).
   * @returns A promise resolved when the user has completed the installation.
   */
  [implicit_jscontext]
  Promise requestInstallDynamicLauncher(in AUTF8String aEntryId, in nsIINIParserWriter aDesktopEntry, in mozIDOMWindowProxy aWindow);

  /**
   * Uses the Dynamic Launcher portal to remove a desktop entry for this user.
   *
   * @param aEntryId The ID that the desktop entry was installed with.
   * @returns A promise that resolves when uninstallation is complete.
   */
  [implicit_jscontext]
  Promise requestUninstallDynamicLauncher(in AUTF8String aEntryId);
};