38 ConnectionHandler* ConnectionHandler::instance_ = nullptr;  member in bluetooth::avrcp::ConnectionHandler
41   CHECK(instance_);  in Get()
43   return instance_;  in Get()
63   CHECK(instance_ == nullptr);  in Initialize()
69   instance_ = new ConnectionHandler();  in Initialize()
70   instance_->connection_cb_ = callback;  in Initialize()
71   instance_->avrc_ = avrcp;  in Initialize()
72   instance_->sdp_ = sdp;  in Initialize()
73   instance_->vol_ = vol;  in Initialize()
76   if (!instance_->AvrcpConnect(false, RawAddress::kAny)) {  in Initialize()
77     instance_->CleanUp();  in Initialize()
85   CHECK(instance_ != nullptr);  in CleanUp()
88   for (const auto& entry : instance_->device_map_) {  in CleanUp()
90     instance_->avrc_->Close(entry.first);  in CleanUp()
92   instance_->device_map_.clear();  in CleanUp()
93   instance_->feature_map_.clear();  in CleanUp()
95   instance_->weak_ptr_factory_.InvalidateWeakPtrs();  in CleanUp()
97   delete instance_;  in CleanUp()
98   instance_ = nullptr;  in CleanUp()
104   CHECK(instance_ == nullptr);  in InitForTesting()
105   instance_ = handler;  in InitForTesting()
118   auto connection_lambda = [](ConnectionHandler* instance_,  in ConnectDevice()
127       instance_->connection_cb_.Run(std::shared_ptr<Device>());  in ConnectDevice()
130     instance_->feature_map_.emplace(bdaddr, features);  in ConnectDevice()
131     instance_->AvrcpConnect(true, bdaddr);  in ConnectDevice()
256       } else if (instance_->vol_ != nullptr) {  in InitiatorControlCb()
257         instance_->vol_->DeviceConnected(newDevice->GetAddress());  in InitiatorControlCb()
325       auto sdp_lambda = [](ConnectionHandler* instance_, uint8_t handle,  in AcceptorControlCb()
328         if (instance_->device_map_.find(handle) ==  in AcceptorControlCb()
329             instance_->device_map_.end()) {  in AcceptorControlCb()
335         auto device = instance_->device_map_[handle];  in AcceptorControlCb()
336         instance_->feature_map_.emplace(device->GetAddress(), features);  in AcceptorControlCb()
342         } else if (instance_->vol_ != nullptr) {  in AcceptorControlCb()
343           instance_->vol_->DeviceConnected(device->GetAddress());  in AcceptorControlCb()