mojo/common/message_pump_mojo_handler.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_COMMON_MESSAGE_PUMP_MOJO_HANDLER_H_
   6 #define MOJO_COMMON_MESSAGE_PUMP_MOJO_HANDLER_H_
   7
   8 #include "mojo/common/mojo_common_export.h"
   9 #include "mojo/public/cpp/system/core.h"
  10
  11 namespace mojo {
  12 namespace common {
  13
  14 // Used by MessagePumpMojo to notify when a handle is either ready or has become
  15 // invalid. In case of error, the handler will be removed.
  16 class MOJO_COMMON_EXPORT MessagePumpMojoHandler {
  17  public:
  18   virtual void OnHandleReady(const Handle& handle) = 0;
  19
  20   virtual void OnHandleError(const Handle& handle, MojoResult result) = 0;
  21
  22  protected:
  23   virtual ~MessagePumpMojoHandler() {}
  24 };
  25
  26 }  // namespace common
  27 }  // namespace mojo
  28
  29 #endif  // MOJO_COMMON_MESSAGE_PUMP_MOJO_HANDLER_H_