chromium/ppapi/shared_impl/ppb_message_loop_shared.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PPAPI_SHARED_IMPL_PPB_MESSAGE_LOOP_SHARED_H_
#define PPAPI_SHARED_IMPL_PPB_MESSAGE_LOOP_SHARED_H_

#include <stdint.h>

#include "base/functional/callback_forward.h"
#include "base/location.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/shared_impl/ppapi_shared_export.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/ppb_message_loop_api.h"

namespace base {
class Location;
class SingleThreadTaskRunner;
}

namespace ppapi {

// MessageLoopShared doesn't really do anything interesting. It exists so that
// shared code (in particular, TrackedCallback) can keep a pointer to a
// MessageLoop resource. In the host side, there is not a concrete class that
// implements this. So pointers to MessageLoopShared can only really be valid
// on the plugin side.
class PPAPI_SHARED_EXPORT MessageLoopShared
    : public Resource,
      public thunk::PPB_MessageLoop_API { … };

}  // namespace ppapi

#endif  // PPAPI_SHARED_IMPL_PPB_MESSAGE_LOOP_SHARED_H_