media/mojo/services/mojo_cdm_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_MOJO_SERVICES_MOJO_CDM_PROMISE_H_
   6 #define MEDIA_MOJO_SERVICES_MOJO_CDM_PROMISE_H_
   7
   8 #include "base/macros.h"
   9 #include "media/base/cdm_promise.h"
  10 #include "media/mojo/interfaces/content_decryption_module.mojom.h"
  11 #include "media/mojo/services/mojo_type_trait.h"
  12 #include "third_party/mojo/src/mojo/public/cpp/bindings/callback.h"
  13
  14 namespace media {
  15
  16 // media::CdmPromiseTemplate implementations backed by mojo::Callbacks.
  17 template <typename... T>
  18 class MojoCdmPromise : public CdmPromiseTemplate<T...> {
  19  public:
  20   typedef mojo::Callback<void(mojo::CdmPromiseResultPtr,
  21                               typename MojoTypeTrait<T>::MojoType...)>
  22       CallbackType;
  23
  24   MojoCdmPromise(const CallbackType& callback);
  25   ~MojoCdmPromise() final;
  26
  27   // CdmPromiseTemplate<> implementation.
  28   void resolve(const T&... result) final;
  29   void reject(MediaKeys::Exception exception,
  30               uint32_t system_code,
  31               const std::string& error_message) final;
  32
  33  private:
  34   using media::CdmPromiseTemplate<T...>::MarkPromiseSettled;
  35
  36   CallbackType callback_;
  37 };
  38
  39 }  // namespace media
  40
  41 #endif  // MEDIA_MOJO_SERVICES_MOJO_CDM_PROMISE_H_