[Drive] Handle error cases earlier in FakeDriveService
[chromium-blink-merge.git] / mojo / public / cpp / utility / run_loop_handler.h
blob69838d5e57c311abe126f9beeb833eeaa1657f18
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.
5 #ifndef MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_
6 #define MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_
8 #include "mojo/public/cpp/system/core.h"
10 namespace mojo {
12 // Used by RunLoop to notify when a handle is either ready or has become
13 // invalid.
14 class RunLoopHandler {
15 public:
16 virtual void OnHandleReady(const Handle& handle) = 0;
17 virtual void OnHandleError(const Handle& handle, MojoResult result) = 0;
19 protected:
20 virtual ~RunLoopHandler() {}
23 } // namespace mojo
25 #endif // MOJO_PUBLIC_CPP_UTILITY_RUN_LOOP_HANDLER_H_