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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.
#include "media/remoting/remoting_cdm_controller.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/logging.h"
#include "base/threading/thread_checker.h"
namespace media {
namespace remoting {
RemotingCdmController::RemotingCdmController(
scoped_refptr<SharedSession> session)
: session_(std::move(session)) {
session_->AddClient(this);
}
RemotingCdmController::~RemotingCdmController() {
DCHECK(thread_checker_.CalledOnValidThread());
session_->RemoveClient(this);
}
void RemotingCdmController::OnStarted(bool success) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(!cdm_check_cb_.is_null());
is_remoting_ = success;
base::ResetAndReturn(&cdm_check_cb_).Run(success);
}
void RemotingCdmController::OnSessionStateChanged() {
DCHECK(thread_checker_.CalledOnValidThread());
if (is_remoting_ && session_->state() == SharedSession::SESSION_STOPPING) {
session_->Shutdown();
is_remoting_ = false;
}
}
void RemotingCdmController::ShouldCreateRemotingCdm(
const CdmCheckCallback& cb) {
DCHECK(thread_checker_.CalledOnValidThread());
DCHECK(!cb.is_null());
if (is_remoting_) {
cb.Run(true);
return;
}
if (!session_->is_remote_decryption_available()) {
cb.Run(false);
return;
}
DCHECK(cdm_check_cb_.is_null());
cdm_check_cb_ = cb;
session_->StartRemoting(this);
}
} // namespace remoting
} // namespace media
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