media/base/cdm_callback_promise.h

   1 // Copyright 2014 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 MEDIA_BASE_CDM_CALLBACK_PROMISE_H_
   6 #define MEDIA_BASE_CDM_CALLBACK_PROMISE_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback.h"
  12 #include "media/base/cdm_promise.h"
  13 #include "media/base/media_export.h"
  14 #include "media/base/media_keys.h"
  15
  16 namespace media {
  17
  18 typedef base::Callback<void(MediaKeys::Exception exception_code,
  19                             uint32 system_code,
  20                             const std::string& error_message)>
  21     PromiseRejectedCB;
  22
  23 template <typename... T>
  24 class MEDIA_EXPORT CdmCallbackPromise : public CdmPromiseTemplate<T...> {
  25  public:
  26   CdmCallbackPromise(const base::Callback<void(const T&...)>& resolve_cb,
  27                      const PromiseRejectedCB& reject_cb);
  28   virtual ~CdmCallbackPromise();
  29
  30   // CdmPromiseTemplate<T> implementation.
  31   virtual void resolve(const T&... result) override;
  32   virtual void reject(MediaKeys::Exception exception_code,
  33                       uint32 system_code,
  34                       const std::string& error_message) override;
  35
  36  private:
  37   using CdmPromiseTemplate<T...>::MarkPromiseSettled;
  38
  39   base::Callback<void(const T&...)> resolve_cb_;
  40   PromiseRejectedCB reject_cb_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(CdmCallbackPromise);
  43 };
  44
  45 }  // namespace media
  46
  47 #endif  // MEDIA_BASE_CDM_CALLBACK_PROMISE_H_