/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "domstubs.idl"
#include "nsIRequest.idl"

interface mozIDOMWindow;
interface nsPIDOMWindowInner;
interface mozIDOMWindowProxy;
interface nsIArray;
interface nsIInterceptedChannel;
interface nsIPrincipal;
interface nsIRunnable;
interface nsIURI;
%{C++
namespace mozilla {
namespace dom {
class ClientInfo;
class ServiceWorkerDescriptor;
} // namespace dom
} // namespace mozilla
%}

[ref] native const_ClientInfoRef(const mozilla::dom::ClientInfo);
[ref] native const_ServiceWorkerDescriptorRef(const mozilla::dom::ServiceWorkerDescriptor);

[scriptable, uuid(52ee2c9d-ee87-4caf-9588-23ae77ff8798)]
interface nsIServiceWorkerUnregisterCallback : nsISupports
{
  // aState is true if the unregistration succeded.
  // It's false if this ServiceWorkerRegistration doesn't exist.
  void unregisterSucceeded(in bool aState);
  void unregisterFailed();
};

interface nsIWorkerDebugger;

[scriptable, builtinclass, uuid(76e357ed-208d-4e4c-9165-1c4059707879)]
interface nsIServiceWorkerInfo : nsISupports
{
  // State values below should match the ServiceWorkerState enumeration.
  const unsigned short STATE_PARSED = 0;
  const unsigned short STATE_INSTALLING = 1;
  const unsigned short STATE_INSTALLED = 2;
  const unsigned short STATE_ACTIVATING = 3;
  const unsigned short STATE_ACTIVATED = 4;
  const unsigned short STATE_REDUNDANT = 5;
  const unsigned short STATE_UNKNOWN = 6;

  readonly attribute AString id;

  readonly attribute AString scriptSpec;
  readonly attribute AString cacheName;

  readonly attribute unsigned short state;

  readonly attribute nsIWorkerDebugger debugger;

  // Return whether the ServiceWorker has a "fetch" event listener. Throws if
  // this is unknown because the worker's main script hasn't finished executing
  // (when exposed as evaluatingWorker).
  readonly attribute bool handlesFetchEvents;

  readonly attribute PRTime installedTime;
  readonly attribute PRTime activatedTime;
  readonly attribute PRTime redundantTime;

  void attachDebugger();

  void detachDebugger();
};

[scriptable, uuid(87e63548-d440-4b8a-b158-65ad1de0211E)]
interface nsIServiceWorkerRegistrationInfoListener : nsISupports
{
  void onChange();
};

[scriptable, builtinclass, uuid(ddbc1fd4-2f2e-4fca-a395-6e010bbedfe3)]
interface nsIServiceWorkerRegistrationInfo : nsISupports
{
  // State values below should match the ServiceWorkerUpdateViaCache enumeration.
  const unsigned short UPDATE_VIA_CACHE_IMPORTS = 0;
  const unsigned short UPDATE_VIA_CACHE_ALL = 1;
  const unsigned short UPDATE_VIA_CACHE_NONE = 2;

  readonly attribute nsIPrincipal principal;

  readonly attribute AString scope;
  readonly attribute AString scriptSpec;
  readonly attribute unsigned short updateViaCache;

  readonly attribute PRTime lastUpdateTime;

  readonly attribute nsIServiceWorkerInfo evaluatingWorker;
  readonly attribute nsIServiceWorkerInfo installingWorker;
  readonly attribute nsIServiceWorkerInfo waitingWorker;
  readonly attribute nsIServiceWorkerInfo activeWorker;

  // Allows to get the related nsIServiceWorkerInfo for a given
  // nsIWorkerDebugger. Over time we shouldn't need this anymore,
  // and instead always control then nsIWorkerDebugger from
  // nsIServiceWorkerInfo and not the other way around.  Returns
  // null if the service worker is no longer registered.
  nsIServiceWorkerInfo getWorkerByID(in unsigned long long aID);

  void addListener(in nsIServiceWorkerRegistrationInfoListener listener);

  void removeListener(in nsIServiceWorkerRegistrationInfoListener listener);

  // Terminate all the service worker relate to this registration.
  // This is used by the WebExtensions framework to shutdown the extension's
  // background service workers as part of shutdown, which happens when:
  // - the extension has been disabled.
  // - the extension is shutting down to be updated.
  // - the extension is shutting down as part of the uninstall flow.
  //
  // All the service workers instances related to this registration are expected
  // to be terminate immediately.
  //
  // TODO - Bug 1638099: This method should also allow the WebExtension framework
  // to mark the registration as disabled (e.g. through an additional parameter),
  // to avoid it to be started again until the WebExtensions framework does explicitly 
  // mark it back to enabled.
  void forceShutdown();
};

[scriptable, uuid(9e523e7c-ad6f-4df0-8077-c74aebbc679d)]
interface nsIServiceWorkerManagerListener : nsISupports
{
  void onRegister(in nsIServiceWorkerRegistrationInfo aInfo);

  void onUnregister(in nsIServiceWorkerRegistrationInfo aInfo);
};

[scriptable, builtinclass, uuid(7404c8e8-4d47-4449-8ed1-47d1261d4e33)]
interface nsIServiceWorkerManager : nsISupports
{
  /**
   * A testing helper that registers a service worker for testing purpose (e.g. used to test
   * a remote worker that has to spawn a new process to be launched).
   * This method can only be used when "dom.serviceWorkers.testing.enabled" is true and
   * it doesn't support all the registration options (e.g. updateViaCache is set automatically
   * to "imports").
   */
  [implicit_jscontext]
  Promise registerForTest(in nsIPrincipal aPrincipal,
                          in AString aScope, 
                          in AString aScriptURL);

  /**
   * Register an extension background service worker for a given
   * extension principal and return a promise that resolves to the
   * nsIServiceWorkerRegistrationInfo (or rejects if there was one
   * already registered).
   */
  [implicit_jscontext]
  Promise registerForAddonPrincipal(in nsIPrincipal aPrincipal);

  /**
   * Unregister an existing ServiceWorker registration for `aScope`.
   * It keeps aCallback alive until the operation is concluded.
   */
  void unregister(in nsIPrincipal aPrincipal,
                  in nsIServiceWorkerUnregisterCallback aCallback,
                  in AString aScope);

  nsIServiceWorkerRegistrationInfo getRegistrationByPrincipal(in nsIPrincipal aPrincipal,
                                                              in AString aScope);

  [notxpcom, nostdcall] bool StartControlling(in const_ClientInfoRef aClientInfo,
                                              in const_ServiceWorkerDescriptorRef aServiceWorker);

  // Testing
  AString getScopeForUrl(in nsIPrincipal aPrincipal, in AString aPath);

  // It returns an array of nsIServiceWorkerRegistrationInfos.
  nsIArray getAllRegistrations();

  // For clear-origin-attributes-data
  void removeRegistrationsByOriginAttributes(in AString aOriginAttributes);

  // It calls softUpdate() for each child process.
  [implicit_jscontext] void propagateSoftUpdate(in jsval aOriginAttributes,
                                                in AString aScope);

  // It calls unregister() in each child process. The callback is used to
  // inform when unregister() is completed on the current process.
  void propagateUnregister(in nsIPrincipal aPrincipal,
                           in nsIServiceWorkerUnregisterCallback aCallback,
                           in AString aScope);

  void sendNotificationClickEvent(in ACString aOriginSuffix,
                                  in ACString scope,
                                  in AString aID,
                                  in AString aTitle,
                                  in AString aDir,
                                  in AString aLang,
                                  in AString aBody,
                                  in AString aTag,
                                  in AString aIcon,
                                  in AString aData,
                                  in AString aBehavior);

  void sendNotificationCloseEvent(in ACString aOriginSuffix,
                                  in ACString scope,
                                  in AString aID,
                                  in AString aTitle,
                                  in AString aDir,
                                  in AString aLang,
                                  in AString aBody,
                                  in AString aTag,
                                  in AString aIcon,
                                  in AString aData,
                                  in AString aBehavior);

  [optional_argc] void sendPushEvent(in ACString aOriginAttributes,
                                     in ACString aScope,
                                     [optional] in Array<uint8_t> aDataBytes);
  void sendPushSubscriptionChangeEvent(in ACString aOriginAttributes,
                                       in ACString scope);

  void addListener(in nsIServiceWorkerManagerListener aListener);

  void removeListener(in nsIServiceWorkerManagerListener aListener);

  bool isParentInterceptEnabled();
};

%{ C++
#define SERVICEWORKERMANAGER_CONTRACTID "@mozilla.org/serviceworkers/manager;1"
%}