ppapi/thunk/ppb_message_loop_api.h

   1 // Copyright (c) 2012 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 PPAPI_THUNK_PPB_MESSAGE_LOOP_API_H_
   6 #define PPAPI_THUNK_PPB_MESSAGE_LOOP_API_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "ppapi/c/pp_bool.h"
  10 #include "ppapi/c/pp_completion_callback.h"
  11 #include "ppapi/c/pp_stdint.h"
  12 #include "ppapi/thunk/ppapi_thunk_export.h"
  13
  14 namespace ppapi {
  15
  16 class TrackedCallback;
  17
  18 namespace thunk {
  19
  20 class PPAPI_THUNK_EXPORT PPB_MessageLoop_API {
  21  public:
  22   virtual ~PPB_MessageLoop_API() {}
  23
  24   virtual int32_t AttachToCurrentThread() = 0;
  25   virtual int32_t Run() = 0;
  26   // Note: Most interfaces should use scoped_refptr<TrackedCallback>, in order
  27   // to track callbacks and support things like blocking or optional callbacks.
  28   // In this case, the callback is really just a way to pass a function pointer,
  29   // and those options don't make sense.
  30   virtual int32_t PostWork(PP_CompletionCallback callback,
  31                            int64_t delay_ms) = 0;
  32   virtual int32_t PostQuit(PP_Bool should_destroy) = 0;
  33 };
  34
  35 }  // namespace thunk
  36 }  // namespace ppapi
  37
  38 #endif  // PPAPI_THUNK_PPB_MESSAGE_LOOP_API_H_