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104 lines
3.3 KiB
104 lines
3.3 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "set_browsed_player.h"
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namespace bluetooth {
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namespace avrcp {
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std::unique_ptr<SetBrowsedPlayerResponseBuilder>
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SetBrowsedPlayerResponseBuilder::MakeBuilder(Status status,
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uint16_t uid_counter,
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uint32_t num_items_in_folder,
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uint8_t folder_depth,
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std::string folder_name) {
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std::unique_ptr<SetBrowsedPlayerResponseBuilder> builder(
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new SetBrowsedPlayerResponseBuilder(
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status, uid_counter, num_items_in_folder, folder_depth, folder_name));
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return builder;
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}
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size_t SetBrowsedPlayerResponseBuilder::size() const {
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size_t len = BrowsePacket::kMinSize();
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len += 1; // Status
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// If the status isn't success the rest of the fields are ommited
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if (status_ != Status::NO_ERROR) return len;
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len += 2; // UID Counter
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len += 4; // Number of items in folder
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len += 2; // UTF-8 Character Set
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len += 1; // Folder Depth
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// This is only included if the folder returned isn't the root folder
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if (folder_depth_ != 0) {
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len += 2; // Folder Name Size;
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len += folder_name_.size(); // Folder Name
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}
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return len;
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}
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bool SetBrowsedPlayerResponseBuilder::Serialize(
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const std::shared_ptr<::bluetooth::Packet>& pkt) {
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ReserveSpace(pkt, size());
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BrowsePacketBuilder::PushHeader(pkt, size() - BrowsePacket::kMinSize());
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AddPayloadOctets1(pkt, (uint8_t)status_);
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if (status_ != Status::NO_ERROR) return true;
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AddPayloadOctets2(pkt, base::ByteSwap(uid_counter_));
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AddPayloadOctets4(pkt, base::ByteSwap(num_items_in_folder_));
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AddPayloadOctets2(pkt, base::ByteSwap((uint16_t)0x006a)); // UTF-8
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AddPayloadOctets1(pkt, folder_depth_);
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// Skip adding the folder name if the folder depth is 0
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if (folder_depth_ == 0) return true;
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uint16_t folder_name_len = folder_name_.size();
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AddPayloadOctets2(pkt, base::ByteSwap(folder_name_len));
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for (auto it = folder_name_.begin(); it != folder_name_.end(); it++) {
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AddPayloadOctets1(pkt, *it);
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}
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return true;
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}
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uint16_t SetBrowsedPlayerRequest::GetPlayerId() const {
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auto it = begin() + BrowsePacket::kMinSize();
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return it.extractBE<uint16_t>();
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}
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bool SetBrowsedPlayerRequest::IsValid() const {
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if (!BrowsePacket::IsValid()) return false;
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return size() == kMinSize();
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}
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std::string SetBrowsedPlayerRequest::ToString() const {
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std::stringstream ss;
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ss << "SetBrowsedPlayerRequestPacket: " << std::endl;
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ss << " └ PDU = " << GetPdu() << std::endl;
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ss << " └ Length = " << GetLength() << std::endl;
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ss << " └ Player ID = " << loghex(GetPlayerId()) << std::endl;
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ss << std::endl;
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return ss.str();
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}
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} // namespace avrcp
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} // namespace bluetooth
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