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/*
* Copyright (C) 2016 Metrological Group B.V.
* Copyright (C) 2016 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "MediaKeyStatusMap.h"
#if ENABLE(ENCRYPTED_MEDIA)
#include "JSMediaKeyStatusMap.h"
#include "MediaKeySession.h"
#include "SharedBuffer.h"
namespace WebCore {
MediaKeyStatusMap::MediaKeyStatusMap(const MediaKeySession& session)
: m_session(&session)
{
}
MediaKeyStatusMap::~MediaKeyStatusMap() = default;
void MediaKeyStatusMap::detachSession()
{
m_session = nullptr;
}
unsigned long MediaKeyStatusMap::size()
{
if (!m_session)
return 0;
return m_session->statuses().size();
}
static bool keyIdsMatch(const SharedBuffer& a, const BufferSource& b)
{
auto length = a.size();
if (!length || length != b.length())
return false;
return !std::memcmp(a.data(), b.data(), length);
}
bool MediaKeyStatusMap::has(const BufferSource& keyId)
{
if (!m_session)
return false;
auto& statuses = m_session->statuses();
return std::any_of(statuses.begin(), statuses.end(),
[&keyId] (auto& it) { return keyIdsMatch(it.first, keyId); });
}
JSC::JSValue MediaKeyStatusMap::get(JSC::ExecState& state, const BufferSource& keyId)
{
if (!m_session)
return JSC::jsUndefined();
auto& statuses = m_session->statuses();
auto it = std::find_if(statuses.begin(), statuses.end(),
[&keyId] (auto& it) { return keyIdsMatch(it.first, keyId); });
if (it == statuses.end())
return JSC::jsUndefined();
return convertEnumerationToJS(state, it->second);
}
MediaKeyStatusMap::Iterator::Iterator(MediaKeyStatusMap& map)
: m_map(map)
{
}
std::optional<WTF::KeyValuePair<BufferSource::VariantType, MediaKeyStatus>> MediaKeyStatusMap::Iterator::next()
{
if (!m_map->m_session)
return std::nullopt;
auto& statuses = m_map->m_session->statuses();
if (m_index >= statuses.size())
return std::nullopt;
auto& pair = statuses[m_index++];
auto buffer = ArrayBuffer::create(pair.first->data(), pair.first->size());
return WTF::KeyValuePair<BufferSource::VariantType, MediaKeyStatus> { RefPtr<ArrayBuffer>(WTFMove(buffer)), pair.second };
}
} // namespace WebCore
#endif // ENABLE(ENCRYPTED_MEDIA)
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