media/base/cdm_initialized_promise.h

   1 // Copyright 2015 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_INITIALIZED_PROMISE_H_
   6 #define MEDIA_BASE_CDM_INITIALIZED_PROMISE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "media/base/cdm_factory.h"
  10 #include "media/base/cdm_promise.h"
  11 #include "media/base/media_export.h"
  12 #include "media/base/media_keys.h"
  13
  14 namespace media {
  15
  16 // Promise to be resolved when the CDM is initialized. It owns the MediaKeys
  17 // object until the initialization completes, which it then passes to
  18 // |cdm_created_cb|.
  19 class MEDIA_EXPORT CdmInitializedPromise : public SimpleCdmPromise {
  20  public:
  21   CdmInitializedPromise(const CdmCreatedCB& cdm_created_cb,
  22                         scoped_ptr<MediaKeys> cdm);
  23   ~CdmInitializedPromise() override;
  24
  25   // SimpleCdmPromise implementation.
  26   void resolve() override;
  27   void reject(MediaKeys::Exception exception_code,
  28               uint32 system_code,
  29               const std::string& error_message) override;
  30
  31  private:
  32   CdmCreatedCB cdm_created_cb_;
  33   scoped_ptr<MediaKeys> cdm_;
  34 };
  35
  36 }  // namespace media
  37
  38 #endif  // MEDIA_BASE_CDM_INITIALIZED_PROMISE_H_