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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_REMOTING_REMOTING_CDM_CONTROLLER_H_
#define MEDIA_REMOTING_REMOTING_CDM_CONTROLLER_H_
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "media/remoting/shared_session.h"
namespace media {
namespace remoting {
// This class controlls whether to start a remoting session to create CDM. The
// |session_| will be passed to the RendererController when the CDM is attached
// to a media element.
class RemotingCdmController final : public SharedSession::Client {
public:
explicit RemotingCdmController(scoped_refptr<SharedSession> session);
~RemotingCdmController();
// SharedSession::Client implementations.
void OnStarted(bool success) override;
void OnSessionStateChanged() override;
// Returns whether we should create remoting CDM via |cb|, which could be run
// synchronously or asynchronously, depending on whether the required
// information is available now or later.
using CdmCheckCallback = base::Callback<void(bool is_remoting)>;
void ShouldCreateRemotingCdm(const CdmCheckCallback& cb);
SharedSession* session() const { return session_.get(); }
private:
const scoped_refptr<SharedSession> session_;
// This callback is run once to report whether to create remoting CDM.
CdmCheckCallback cdm_check_cb_;
// Indicates if the session is in remoting.
bool is_remoting_ = false;
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(RemotingCdmController);
};
} // namespace remoting
} // namespace media
#endif // MEDIA_REMOTING_REMOTING_CDM_CONTROLLER_H_
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