1 /*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "get_total_number_of_items.h"
18
19 #include <base/sys_byteorder.h>
20
21 namespace bluetooth {
22 namespace avrcp {
23
24 std::unique_ptr<GetTotalNumberOfItemsResponseBuilder>
MakeBuilder(Status status,uint16_t uid_counter,uint32_t num_items_in_folder)25 GetTotalNumberOfItemsResponseBuilder::MakeBuilder(Status status, uint16_t uid_counter,
26 uint32_t num_items_in_folder) {
27 std::unique_ptr<GetTotalNumberOfItemsResponseBuilder> builder(
28 new GetTotalNumberOfItemsResponseBuilder(status, uid_counter, num_items_in_folder));
29
30 return builder;
31 }
32
size() const33 size_t GetTotalNumberOfItemsResponseBuilder::size() const {
34 size_t len = BrowsePacket::kMinSize();
35 len += 1; // Status
36
37 if (status_ != Status::NO_ERROR) {
38 return len;
39 }
40
41 len += 2; // UID Counter
42 len += 4; // Number of items in folder
43 return len;
44 }
45
Serialize(const std::shared_ptr<::bluetooth::Packet> & pkt)46 bool GetTotalNumberOfItemsResponseBuilder::Serialize(
47 const std::shared_ptr<::bluetooth::Packet>& pkt) {
48 ReserveSpace(pkt, size());
49
50 BrowsePacketBuilder::PushHeader(pkt, size() - BrowsePacket::kMinSize());
51
52 AddPayloadOctets1(pkt, (uint8_t)status_);
53
54 if (status_ != Status::NO_ERROR) {
55 return true;
56 }
57 AddPayloadOctets2(pkt, base::ByteSwap(uid_counter_));
58 AddPayloadOctets4(pkt, base::ByteSwap(num_items_in_folder_));
59 return true;
60 }
61
GetScope() const62 Scope GetTotalNumberOfItemsRequest::GetScope() const {
63 auto it = begin() + BrowsePacket::kMinSize();
64 return static_cast<Scope>(*it);
65 }
66
IsValid() const67 bool GetTotalNumberOfItemsRequest::IsValid() const {
68 if (!BrowsePacket::IsValid()) {
69 return false;
70 }
71 return size() == kMinSize();
72 }
73
ToString() const74 std::string GetTotalNumberOfItemsRequest::ToString() const {
75 std::stringstream ss;
76 ss << "GetTotalNumberOfItemsRequest: " << std::endl;
77 ss << " └ PDU = " << GetPdu() << std::endl;
78 ss << " └ Length = " << GetLength() << std::endl;
79 ss << " └ Scope = " << GetScope() << std::endl;
80 ss << std::endl;
81
82 return ss.str();
83 }
84
85 } // namespace avrcp
86 } // namespace bluetooth
87