electron/shell/browser/lib/bluetooth_chooser.cc
Charles Kerr 2b316f3843
refactor: run clang-tidy (#20231)
* refactor: clang-tidy modernize-use-nullptr

* refactor: clang-tidy modernize-use-equals-default

* refactor: clang-tidy modernize-make-unique

* refactor: omit nullptr arg from unique_ptr.reset()

As per comment by @miniak
2019-09-16 18:12:00 -04:00

129 lines
4 KiB
C++

// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/lib/bluetooth_chooser.h"
#include "native_mate/dictionary.h"
#include "shell/common/native_mate_converters/once_callback.h"
#include "shell/common/native_mate_converters/string16_converter.h"
namespace mate {
template <>
struct Converter<electron::BluetoothChooser::DeviceInfo> {
static v8::Local<v8::Value> ToV8(
v8::Isolate* isolate,
const electron::BluetoothChooser::DeviceInfo& val) {
mate::Dictionary dict = mate::Dictionary::CreateEmpty(isolate);
dict.Set("deviceName", val.device_name);
dict.Set("deviceId", val.device_id);
return mate::ConvertToV8(isolate, dict);
}
};
} // namespace mate
namespace electron {
namespace {
const int kMaxScanRetries = 5;
void OnDeviceChosen(const content::BluetoothChooser::EventHandler& handler,
const std::string& device_id) {
if (device_id.empty()) {
handler.Run(content::BluetoothChooser::Event::CANCELLED, device_id);
} else {
handler.Run(content::BluetoothChooser::Event::SELECTED, device_id);
}
}
} // namespace
BluetoothChooser::BluetoothChooser(api::WebContents* contents,
const EventHandler& event_handler)
: api_web_contents_(contents), event_handler_(event_handler) {}
BluetoothChooser::~BluetoothChooser() = default;
void BluetoothChooser::SetAdapterPresence(AdapterPresence presence) {
switch (presence) {
case AdapterPresence::ABSENT:
case AdapterPresence::POWERED_OFF:
event_handler_.Run(Event::CANCELLED, "");
break;
case AdapterPresence::POWERED_ON:
break;
}
}
void BluetoothChooser::ShowDiscoveryState(DiscoveryState state) {
switch (state) {
case DiscoveryState::FAILED_TO_START:
event_handler_.Run(Event::CANCELLED, "");
break;
case DiscoveryState::IDLE:
if (device_map_.empty()) {
auto event =
++num_retries_ > kMaxScanRetries ? Event::CANCELLED : Event::RESCAN;
event_handler_.Run(event, "");
} else {
bool prevent_default = api_web_contents_->Emit(
"select-bluetooth-device", GetDeviceList(),
base::BindOnce(&OnDeviceChosen, event_handler_));
if (!prevent_default) {
auto it = device_map_.begin();
auto device_id = it->first;
event_handler_.Run(Event::SELECTED, device_id);
}
}
break;
case DiscoveryState::DISCOVERING:
break;
}
}
void BluetoothChooser::AddOrUpdateDevice(const std::string& device_id,
bool should_update_name,
const base::string16& device_name,
bool is_gatt_connected,
bool is_paired,
int signal_strength_level) {
bool changed = false;
auto entry = device_map_.find(device_id);
if (entry == device_map_.end()) {
device_map_[device_id] = device_name;
changed = true;
} else if (should_update_name) {
entry->second = device_name;
changed = true;
}
if (changed) {
// Emit a select-bluetooth-device handler to allow for user to listen for
// bluetooth device found.
bool prevent_default = api_web_contents_->Emit(
"select-bluetooth-device", GetDeviceList(),
base::BindOnce(&OnDeviceChosen, event_handler_));
// If emit not implimented select first device that matches the filters
// provided.
if (!prevent_default) {
event_handler_.Run(Event::SELECTED, device_id);
}
}
}
std::vector<electron::BluetoothChooser::DeviceInfo>
BluetoothChooser::GetDeviceList() {
std::vector<electron::BluetoothChooser::DeviceInfo> vec;
vec.reserve(device_map_.size());
for (const auto& it : device_map_) {
DeviceInfo info = {it.first, it.second};
vec.push_back(info);
}
return vec;
}
} // namespace electron