gecko-dev/ipc/testshell/TestShellParent.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=8 et :
 */
/* 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 ipc_testshell_TestShellParent_h
#define ipc_testshell_TestShellParent_h 1

#include "mozilla/ipc/PTestShellParent.h"
#include "mozilla/ipc/PTestShellCommandParent.h"

#include "js/RootingAPI.h"
#include "js/Value.h"
#include "nsString.h"

namespace mozilla {

namespace ipc {

class TestShellCommandParent;

class TestShellParent : public PTestShellParent {
  friend class PTestShellParent;

 public:
  NS_INLINE_DECL_REFCOUNTING(TestShellParent, override)

  virtual void ActorDestroy(ActorDestroyReason aWhy) override;

  PTestShellCommandParent* AllocPTestShellCommandParent(
      const nsAString& aCommand);

  bool DeallocPTestShellCommandParent(PTestShellCommandParent* aActor);

  bool CommandDone(TestShellCommandParent* aActor, const nsAString& aResponse);

 private:
  ~TestShellParent() = default;
};

class TestShellCommandParent : public PTestShellCommandParent {
  friend class PTestShellCommandParent;

 public:
  TestShellCommandParent() = default;

  bool SetCallback(JSContext* aCx, const JS::Value& aCallback);

  bool RunCallback(const nsAString& aResponse);

  void ReleaseCallback();

 protected:
  bool ExecuteCallback(const nsAString& aResponse);

  void ActorDestroy(ActorDestroyReason why) override;

  mozilla::ipc::IPCResult Recv__delete__(const nsAString& aResponse) {
    if (!ExecuteCallback(aResponse)) {
      return IPC_FAIL_NO_REASON(this);
    }
    return IPC_OK();
  }

 private:
  JS::PersistentRooted<JS::Value> mCallback;
};

} /* namespace ipc */
} /* namespace mozilla */

#endif /* ipc_testshell_TestShellParent_h */