blob: 50063c174f7996ca8f6a3dbc6e82460c078bceb6 [file] [log] [blame]
// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/dom/eme/media_key_status_map.h"
#include "base/logging.h"
#include "cobalt/dom/array_buffer.h"
#include "cobalt/dom/array_buffer_view.h"
namespace cobalt {
namespace dom {
namespace eme {
namespace {
std::string ConvertKeyIdToAscii(const std::string& key_id) {
const char kHexChars[] = "0123456789ABCDEF";
std::string key_id_in_ascii;
for (auto ch : key_id) {
key_id_in_ascii += kHexChars[static_cast<unsigned char>(ch) / 16];
key_id_in_ascii += kHexChars[static_cast<unsigned char>(ch) % 16];
}
return key_id_in_ascii;
}
std::string ConvertKeyStatusToString(MediaKeyStatus key_status) {
switch (key_status) {
case kMediaKeyStatusUsable:
return "usable";
case kMediaKeyStatusExpired:
return "expired";
case kMediaKeyStatusReleased:
return "released";
case kMediaKeyStatusOutputRestricted:
return "output-restricted";
case kMediaKeyStatusOutputDownscaled:
return "output-downscaled";
case kMediaKeyStatusStatusPending:
return "status-pending";
case kMediaKeyStatusInternalError:
return "internal-error";
default:
break;
}
NOTREACHED();
return "internal-error";
}
BufferSource ConvertStringToBufferSource(const std::string& str) {
scoped_refptr<ArrayBuffer> array_buffer =
new ArrayBuffer(NULL, reinterpret_cast<const uint8*>(str.c_str()),
static_cast<uint32>(str.size()));
return BufferSource(array_buffer);
}
} // namespace
void MediaKeyStatusMap::Add(const std::string& key_id,
MediaKeyStatus key_status) {
LOG(INFO) << "MediaKeyStatusMap::Add() " << ConvertKeyIdToAscii(key_id)
<< " => " << ConvertKeyStatusToString(key_status);
key_statuses_[key_id] = key_status;
}
void MediaKeyStatusMap::ForEach(const ForEachCallbackArg& callback) {
ForEachCallbackArg::Reference reference(this, callback);
for (auto& key_status : key_statuses_) {
reference.value().Run(ConvertKeyStatusToString(key_status.second),
ConvertStringToBufferSource(key_status.first), this);
}
}
} // namespace eme
} // namespace dom
} // namespace cobalt