Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 1 | // |
| 2 | // Copyright 2017 Google, Inc. |
| 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 "service/avrcp_control.h" |
| 18 | |
| 19 | #include <cerrno> |
| 20 | #include <climits> |
| 21 | #include <string> |
| 22 | |
| 23 | #include <base/logging.h> |
| 24 | #include <base/memory/ptr_util.h> |
| 25 | #include <base/strings/string_number_conversions.h> |
| 26 | |
| 27 | #include "service/logging_helpers.h" |
| 28 | |
| 29 | #include "stack/include/avrc_defs.h" |
| 30 | |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 31 | |
| 32 | namespace bluetooth { |
| 33 | |
| 34 | AvrcpControl::AvrcpControl(const Uuid& uuid, int control_id) |
| 35 | : app_identifier_(uuid), control_id_(control_id) { |
| 36 | hal::BluetoothAvrcpInterface::Get()->AddControlObserver(this); |
| 37 | } |
| 38 | |
| 39 | AvrcpControl::~AvrcpControl() { |
| 40 | hal::BluetoothAvrcpInterface::Get()->RemoveControlObserver(this); |
| 41 | } |
| 42 | |
| 43 | const Uuid& AvrcpControl::GetAppIdentifier() const { return app_identifier_; } |
| 44 | |
| 45 | int AvrcpControl::GetInstanceId() const { return control_id_; } |
| 46 | |
| 47 | void AvrcpControl::SetDelegate(Delegate* delegate) { |
| 48 | std::lock_guard<std::mutex> lock(delegate_mutex_); |
| 49 | delegate_ = delegate; |
| 50 | } |
| 51 | |
| 52 | bool AvrcpControl::Enable() { |
| 53 | std::lock_guard<std::mutex> lock(mutex_); |
| 54 | return hal::BluetoothAvrcpInterface::Get()->AvrcpControlEnable(); |
| 55 | } |
| 56 | |
| 57 | void AvrcpControl::Disable() { |
| 58 | std::lock_guard<std::mutex> lock(mutex_); |
| 59 | hal::BluetoothAvrcpInterface::Get()->AvrcpControlDisable(); |
| 60 | } |
| 61 | |
| 62 | bool AvrcpControl::SendPassThroughCommand(const std::string& device_address, |
| 63 | uint8_t key_code, bool key_pressed) { |
| 64 | RawAddress addr; |
| 65 | if (!RawAddress::FromString(device_address, addr)) { |
| 66 | LOG(ERROR) << "Invalid device address given: " << device_address; |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | uint8_t key_state = key_pressed ? AVRC_STATE_PRESS : AVRC_STATE_RELEASE; |
| 71 | bt_status_t status; |
| 72 | { |
| 73 | std::lock_guard<std::mutex> lock(mutex_); |
| 74 | status = hal::BluetoothAvrcpInterface::Get() |
| 75 | ->GetControlHALInterface() |
| 76 | ->send_pass_through_cmd(addr, key_code, key_state); |
| 77 | } |
| 78 | if (status != BT_STATUS_SUCCESS) { |
| 79 | LOG(ERROR) << "Failed to send passthrough command"; |
| 80 | return false; |
| 81 | } |
| 82 | |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | bool AvrcpControl::SetAbsVolumeResponse(const std::string& device_address, |
| 87 | int32_t abs_vol, int32_t label) { |
| 88 | RawAddress addr; |
| 89 | if (!RawAddress::FromString(device_address, addr)) { |
| 90 | LOG(ERROR) << "Invalid device address given: " << device_address; |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | bt_status_t status; |
| 95 | { |
| 96 | std::lock_guard<std::mutex> lock(mutex_); |
| 97 | status = hal::BluetoothAvrcpInterface::Get() |
| 98 | ->GetControlHALInterface() |
| 99 | ->set_volume_rsp(addr, abs_vol, label); |
| 100 | } |
| 101 | if (status != BT_STATUS_SUCCESS) { |
| 102 | LOG(ERROR) << "Failed to send set absolute volume response"; |
| 103 | return false; |
| 104 | } |
| 105 | |
| 106 | return true; |
| 107 | } |
| 108 | |
| 109 | bool AvrcpControl::RegisterForAbsVolumeCallbackResponse( |
| 110 | const std::string& device_address, int32_t response_type, int32_t abs_vol, |
| 111 | int32_t label) { |
| 112 | RawAddress addr; |
| 113 | if (!RawAddress::FromString(device_address, addr)) { |
| 114 | LOG(ERROR) << "Invalid device address given: " << device_address; |
| 115 | return false; |
| 116 | } |
| 117 | |
| 118 | bt_status_t status; |
| 119 | { |
| 120 | std::lock_guard<std::mutex> lock(mutex_); |
| 121 | status = hal::BluetoothAvrcpInterface::Get() |
| 122 | ->GetControlHALInterface() |
| 123 | ->register_abs_vol_rsp( |
| 124 | addr, static_cast<btrc_notification_type_t>(response_type), |
| 125 | abs_vol, label); |
| 126 | } |
| 127 | if (status != BT_STATUS_SUCCESS) { |
| 128 | LOG(ERROR) |
| 129 | << "Failed to send send register for absolute volume change callback"; |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | return true; |
| 134 | } |
| 135 | |
| 136 | void AvrcpControl::ConnectionStateCallback(bool rc_connect, bool bt_connect, |
| 137 | const RawAddress& bd_addr) { |
| 138 | std::string device_address = BtAddrString(&bd_addr); |
| 139 | std::lock_guard<std::mutex> lock(delegate_mutex_); |
| 140 | if (delegate_) |
| 141 | delegate_->OnConnectionState(rc_connect, bt_connect, device_address); |
| 142 | } |
| 143 | |
| 144 | void AvrcpControl::CtrlSetabsvolCmdCallback(const RawAddress& bd_addr, |
| 145 | uint8_t abs_vol, uint8_t label) { |
| 146 | std::string device_address = BtAddrString(&bd_addr); |
| 147 | std::lock_guard<std::mutex> lock(delegate_mutex_); |
| 148 | if (delegate_) |
| 149 | delegate_->OnSetAbsVolumeRequest(device_address, abs_vol, label); |
| 150 | } |
| 151 | |
| 152 | void AvrcpControl::CtrlRegisternotificationAbsVolCallback( |
| 153 | const RawAddress& bd_addr, uint8_t label) { |
| 154 | std::string device_address = BtAddrString(&bd_addr); |
| 155 | std::lock_guard<std::mutex> lock(delegate_mutex_); |
| 156 | if (delegate_) |
| 157 | delegate_->OnRegisterForAbsVolumeCallbackRequest(device_address, label); |
| 158 | } |
| 159 | |
| 160 | void AvrcpControl::CtrlTrackChangedCallback(const RawAddress& bd_addr, |
| 161 | uint8_t num_attr, |
| 162 | btrc_element_attr_val_t* p_attrs) { |
| 163 | std::string device_address = BtAddrString(&bd_addr); |
| 164 | |
Jakub Pawlowski | 7b00a3b | 2018-10-23 21:54:53 +0200 | [diff] [blame] | 165 | std::string title; |
| 166 | std::string artist; |
| 167 | std::string album; |
| 168 | std::string genre; |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 169 | int track_num = -1; |
| 170 | int num_tracks = -1; |
| 171 | int play_time = -1; |
| 172 | |
| 173 | for (size_t i = 0; i < num_attr; ++i) { |
| 174 | auto attr_text = reinterpret_cast<char*>(p_attrs[i].text); |
| 175 | switch (p_attrs[i].attr_id) { |
| 176 | case BTRC_MEDIA_ATTR_ID_TITLE: |
Jakub Pawlowski | 7b00a3b | 2018-10-23 21:54:53 +0200 | [diff] [blame] | 177 | title = attr_text; |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 178 | break; |
| 179 | case BTRC_MEDIA_ATTR_ID_ARTIST: |
Jakub Pawlowski | 7b00a3b | 2018-10-23 21:54:53 +0200 | [diff] [blame] | 180 | artist = attr_text; |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 181 | break; |
| 182 | case BTRC_MEDIA_ATTR_ID_ALBUM: |
Jakub Pawlowski | 7b00a3b | 2018-10-23 21:54:53 +0200 | [diff] [blame] | 183 | album = attr_text; |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 184 | break; |
| 185 | case BTRC_MEDIA_ATTR_ID_TRACK_NUM: |
| 186 | if (!base::StringToInt(attr_text, &track_num)) { |
| 187 | LOG(ERROR) << "Failed to parse track number"; |
| 188 | } |
| 189 | break; |
| 190 | case BTRC_MEDIA_ATTR_ID_NUM_TRACKS: |
| 191 | if (!base::StringToInt(attr_text, &num_tracks)) { |
| 192 | LOG(ERROR) << "Failed to parse number of tracks"; |
| 193 | } |
| 194 | break; |
| 195 | case BTRC_MEDIA_ATTR_ID_GENRE: |
Jakub Pawlowski | 7b00a3b | 2018-10-23 21:54:53 +0200 | [diff] [blame] | 196 | genre = attr_text; |
Bailey Forrest | 62aa15f | 2017-01-30 17:38:58 -0800 | [diff] [blame] | 197 | break; |
| 198 | case BTRC_MEDIA_ATTR_ID_PLAYING_TIME: |
| 199 | if (!base::StringToInt(attr_text, &play_time)) { |
| 200 | LOG(ERROR) << "Failed to parse playing time"; |
| 201 | } |
| 202 | break; |
| 203 | default: |
| 204 | NOTREACHED(); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | const AvrcpMediaAttr attr(title, artist, album, genre, track_num, num_tracks, |
| 209 | play_time); |
| 210 | |
| 211 | std::lock_guard<std::mutex> lock(delegate_mutex_); |
| 212 | if (delegate_) delegate_->OnTrackChanged(device_address, attr); |
| 213 | } |
| 214 | |
| 215 | // AvrcpControlFactory implementation |
| 216 | // ======================================================== |
| 217 | |
| 218 | AvrcpControlFactory::AvrcpControlFactory() = default; |
| 219 | AvrcpControlFactory::~AvrcpControlFactory() = default; |
| 220 | |
| 221 | bool AvrcpControlFactory::RegisterInstance(const Uuid& uuid, |
| 222 | const RegisterCallback& callback) { |
| 223 | VLOG(1) << __func__ << " - Uuid: " << uuid.ToString(); |
| 224 | |
| 225 | int control_id = next_control_id_++; |
| 226 | std::unique_ptr<AvrcpControl> hf_client(new AvrcpControl(uuid, control_id)); |
| 227 | callback(BLE_STATUS_SUCCESS, uuid, std::move(hf_client)); |
| 228 | return true; |
| 229 | } |
| 230 | |
| 231 | } // namespace bluetooth |