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/*
* Copyright 2018 The Android Open Source Project
*
* 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 "set_browsed_player.h"
namespace bluetooth {
namespace avrcp {
std::unique_ptr<SetBrowsedPlayerResponseBuilder>
SetBrowsedPlayerResponseBuilder::MakeBuilder(Status status,
uint16_t uid_counter,
uint32_t num_items_in_folder,
uint8_t folder_depth,
std::string folder_name) {
std::unique_ptr<SetBrowsedPlayerResponseBuilder> builder(
new SetBrowsedPlayerResponseBuilder(
status, uid_counter, num_items_in_folder, folder_depth, folder_name));
return builder;
}
size_t SetBrowsedPlayerResponseBuilder::size() const {
size_t len = BrowsePacket::kMinSize();
len += 1; // Status
// If the status isn't success the rest of the fields are ommited
if (status_ != Status::NO_ERROR) return len;
len += 2; // UID Counter
len += 4; // Number of items in folder
len += 2; // UTF-8 Character Set
len += 1; // Folder Depth
// This is only included if the folder returned isn't the root folder
if (folder_depth_ != 0) {
len += 2; // Folder Name Size;
len += folder_name_.size(); // Folder Name
}
return len;
}
bool SetBrowsedPlayerResponseBuilder::Serialize(
const std::shared_ptr<::bluetooth::Packet>& pkt) {
ReserveSpace(pkt, size());
BrowsePacketBuilder::PushHeader(pkt, size() - BrowsePacket::kMinSize());
AddPayloadOctets1(pkt, (uint8_t)status_);
if (status_ != Status::NO_ERROR) return true;
AddPayloadOctets2(pkt, base::ByteSwap(uid_counter_));
AddPayloadOctets4(pkt, base::ByteSwap(num_items_in_folder_));
AddPayloadOctets2(pkt, base::ByteSwap((uint16_t)0x006a)); // UTF-8
AddPayloadOctets1(pkt, folder_depth_);
// Skip adding the folder name if the folder depth is 0
if (folder_depth_ == 0) return true;
uint16_t folder_name_len = folder_name_.size();
AddPayloadOctets2(pkt, base::ByteSwap(folder_name_len));
for (auto it = folder_name_.begin(); it != folder_name_.end(); it++) {
AddPayloadOctets1(pkt, *it);
}
return true;
}
uint16_t SetBrowsedPlayerRequest::GetPlayerId() const {
auto it = begin() + BrowsePacket::kMinSize();
return it.extractBE<uint16_t>();
}
bool SetBrowsedPlayerRequest::IsValid() const {
if (!BrowsePacket::IsValid()) return false;
return size() == kMinSize();
}
std::string SetBrowsedPlayerRequest::ToString() const {
std::stringstream ss;
ss << "SetBrowsedPlayerRequestPacket: " << std::endl;
ss << " └ PDU = " << GetPdu() << std::endl;
ss << " └ Length = " << GetLength() << std::endl;
ss << " └ Player ID = " << loghex(GetPlayerId()) << std::endl;
ss << std::endl;
return ss.str();
}
} // namespace avrcp
} // namespace bluetooth