gecko-dev/dom/workers/WorkerScope.h

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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/. */

#ifndef mozilla_dom_workerscope_h__
#define mozilla_dom_workerscope_h__

#include "Workers.h"
#include "nsDOMEventTargetHelper.h"

namespace mozilla {
namespace dom {

class Function;

} // namespace dom
} // namespace mozilla

BEGIN_WORKERS_NAMESPACE

class WorkerPrivate;
class WorkerLocation;
class WorkerNavigator;

class WorkerGlobalScope : public nsDOMEventTargetHelper,
                          public nsIGlobalObject
{
  nsRefPtr<WorkerLocation> mLocation;
  nsRefPtr<WorkerNavigator> mNavigator;

protected:
  WorkerPrivate* mWorkerPrivate;

  WorkerGlobalScope(WorkerPrivate* aWorkerPrivate);
  virtual ~WorkerGlobalScope();

public:
  virtual JSObject*
  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;

  virtual JSObject*
  WrapGlobalObject(JSContext* aCx) = 0;

  virtual JSObject*
  GetGlobalJSObject(void) MOZ_OVERRIDE
  {
    return GetWrapper();
  }

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WorkerGlobalScope,
                                                         nsDOMEventTargetHelper)

  already_AddRefed<WorkerGlobalScope>
  Self()
  {
    return nsRefPtr<WorkerGlobalScope>(this).forget();
  }

  already_AddRefed<WorkerLocation>
  Location();

  already_AddRefed<WorkerNavigator>
  Navigator();

  already_AddRefed<WorkerNavigator>
  GetExistingNavigator() const;

  void
  Close(JSContext* aCx);

  OnErrorEventHandlerNonNull*
  GetOnerror();
  void
  SetOnerror(OnErrorEventHandlerNonNull* aHandler);

  void
  ImportScripts(JSContext* aCx, const Sequence<nsString>& aScriptURLs,
                ErrorResult& aRv);

  int32_t
  SetTimeout(JSContext* aCx, Function& aHandler, const int32_t aTimeout,
             const Sequence<JS::Value>& aArguments, ErrorResult& aRv);
  int32_t
  SetTimeout(const nsAString& aHandler, const int32_t aTimeout,
             ErrorResult& aRv);
  void
  ClearTimeout(int32_t aHandle, ErrorResult& aRv);
  int32_t
  SetInterval(JSContext* aCx, Function& aHandler,
              const Optional<int32_t>& aTimeout,
              const Sequence<JS::Value>& aArguments, ErrorResult& aRv);
  int32_t
  SetInterval(const nsAString& aHandler, const Optional<int32_t>& aTimeout,
              ErrorResult& aRv);
  void
  ClearInterval(int32_t aHandle, ErrorResult& aRv);

  void
  Atob(const nsAString& aAtob, nsAString& aOutput, ErrorResult& aRv) const;
  void
  Btoa(const nsAString& aBtoa, nsAString& aOutput, ErrorResult& aRv) const;

  IMPL_EVENT_HANDLER(online)
  IMPL_EVENT_HANDLER(offline)
  IMPL_EVENT_HANDLER(close)

  void
  Dump(const Optional<nsAString>& aString) const;
};

class DedicatedWorkerGlobalScope MOZ_FINAL : public WorkerGlobalScope
{
  ~DedicatedWorkerGlobalScope() { }

public:
  DedicatedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate);

  static bool
  Visible(JSContext* aCx, JSObject* aObj);

  virtual JSObject*
  WrapGlobalObject(JSContext* aCx) MOZ_OVERRIDE;

  void
  PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
              const Optional<Sequence<JS::Value>>& aTransferable,
              ErrorResult& aRv);

  IMPL_EVENT_HANDLER(message)
};

class SharedWorkerGlobalScope MOZ_FINAL : public WorkerGlobalScope
{
  const nsString mName;

  ~SharedWorkerGlobalScope() { }

public:
  SharedWorkerGlobalScope(WorkerPrivate* aWorkerPrivate, const nsString& aName);

  static bool
  Visible(JSContext* aCx, JSObject* aObj);

  virtual JSObject*
  WrapGlobalObject(JSContext* aCx) MOZ_OVERRIDE;

  void GetName(DOMString& aName) const {
    aName.AsAString() = mName;
  }

  IMPL_EVENT_HANDLER(connect)
};

JSObject*
CreateGlobalScope(JSContext* aCx);

END_WORKERS_NAMESPACE

#endif /* mozilla_dom_workerscope_h__ */