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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/base/cdm_session_tracker.h"
namespace media {
CdmSessionTracker::CdmSessionTracker() {}
CdmSessionTracker::~CdmSessionTracker() {
DCHECK(!HasRemainingSessions());
}
void CdmSessionTracker::AddSession(const std::string& session_id) {
DCHECK(session_ids_.find(session_id) == session_ids_.end());
session_ids_.insert(session_id);
}
void CdmSessionTracker::RemoveSession(const std::string& session_id) {
auto it = session_ids_.find(session_id);
DCHECK(it != session_ids_.end());
session_ids_.erase(it);
}
void CdmSessionTracker::CloseRemainingSessions(
const SessionClosedCB& session_closed_cb) {
std::unordered_set<std::string> session_ids;
session_ids.swap(session_ids_);
for (const auto& session_id : session_ids)
session_closed_cb.Run(session_id);
}
bool CdmSessionTracker::HasRemainingSessions() const {
return !session_ids_.empty();
}
} // namespace media
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