blob: 3580c88813f29705b2883bd768e872eafcc9be1b [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/bluetooth/bluetooth_api.h"
#include <memory>
#include <string>
#include <utility>
#include "base/bind_helpers.h"
#include "base/lazy_instance.h"
#include "base/memory/ref_counted.h"
#include "content/public/browser/browser_thread.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_device.h"
#include "extensions/browser/api/bluetooth/bluetooth_api_utils.h"
#include "extensions/browser/api/bluetooth/bluetooth_event_router.h"
#include "extensions/browser/event_router.h"
#include "extensions/common/api/bluetooth.h"
using content::BrowserContext;
using content::BrowserThread;
using device::BluetoothAdapter;
using device::BluetoothDevice;
namespace bluetooth = extensions::api::bluetooth;
namespace GetDevice = extensions::api::bluetooth::GetDevice;
namespace GetDevices = extensions::api::bluetooth::GetDevices;
namespace {
const char kInvalidDevice[] = "Invalid device";
const char kStartDiscoveryFailed[] = "Starting discovery failed";
const char kStopDiscoveryFailed[] = "Failed to stop discovery";
extensions::BluetoothEventRouter* GetEventRouter(BrowserContext* context) {
// Note: |context| is valid on UI thread only.
DCHECK_CURRENTLY_ON(BrowserThread::UI);
return extensions::BluetoothAPI::Get(context)->event_router();
}
} // namespace
namespace extensions {
static base::LazyInstance<BrowserContextKeyedAPIFactory<BluetoothAPI> >
g_factory = LAZY_INSTANCE_INITIALIZER;
// static
BrowserContextKeyedAPIFactory<BluetoothAPI>*
BluetoothAPI::GetFactoryInstance() {
return g_factory.Pointer();
}
// static
BluetoothAPI* BluetoothAPI::Get(BrowserContext* context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
return GetFactoryInstance()->Get(context);
}
BluetoothAPI::BluetoothAPI(content::BrowserContext* context)
: browser_context_(context) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
EventRouter* event_router = EventRouter::Get(browser_context_);
event_router->RegisterObserver(this,
bluetooth::OnAdapterStateChanged::kEventName);
event_router->RegisterObserver(this, bluetooth::OnDeviceAdded::kEventName);
event_router->RegisterObserver(this, bluetooth::OnDeviceChanged::kEventName);
event_router->RegisterObserver(this, bluetooth::OnDeviceRemoved::kEventName);
}
BluetoothAPI::~BluetoothAPI() {}
BluetoothEventRouter* BluetoothAPI::event_router() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!event_router_) {
event_router_.reset(new BluetoothEventRouter(browser_context_));
}
return event_router_.get();
}
void BluetoothAPI::Shutdown() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
EventRouter::Get(browser_context_)->UnregisterObserver(this);
}
void BluetoothAPI::OnListenerAdded(const EventListenerInfo& details) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (event_router()->IsBluetoothSupported())
event_router()->OnListenerAdded();
}
void BluetoothAPI::OnListenerRemoved(const EventListenerInfo& details) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (event_router()->IsBluetoothSupported())
event_router()->OnListenerRemoved();
}
namespace api {
BluetoothGetAdapterStateFunction::~BluetoothGetAdapterStateFunction() {}
bool BluetoothGetAdapterStateFunction::DoWork(
scoped_refptr<BluetoothAdapter> adapter) {
bluetooth::AdapterState state;
PopulateAdapterState(*adapter.get(), &state);
results_ = bluetooth::GetAdapterState::Results::Create(state);
SendResponse(true);
return true;
}
BluetoothGetDevicesFunction::~BluetoothGetDevicesFunction() {}
bool BluetoothGetDevicesFunction::DoWork(
scoped_refptr<BluetoothAdapter> adapter) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::unique_ptr<base::ListValue> device_list(new base::ListValue);
BluetoothAdapter::DeviceList devices = adapter->GetDevices();
for (BluetoothAdapter::DeviceList::const_iterator iter = devices.begin();
iter != devices.end();
++iter) {
const BluetoothDevice* device = *iter;
DCHECK(device);
bluetooth::Device extension_device;
bluetooth::BluetoothDeviceToApiDevice(*device, &extension_device);
device_list->Append(extension_device.ToValue());
}
SetResult(std::move(device_list));
SendResponse(true);
return true;
}
BluetoothGetDeviceFunction::~BluetoothGetDeviceFunction() {}
bool BluetoothGetDeviceFunction::DoWork(
scoped_refptr<BluetoothAdapter> adapter) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::unique_ptr<GetDevice::Params> params(GetDevice::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get() != NULL);
BluetoothDevice* device = adapter->GetDevice(params->device_address);
if (device) {
bluetooth::Device extension_device;
bluetooth::BluetoothDeviceToApiDevice(*device, &extension_device);
SetResult(extension_device.ToValue());
SendResponse(true);
} else {
SetError(kInvalidDevice);
SendResponse(false);
}
return false;
}
void BluetoothStartDiscoveryFunction::OnSuccessCallback() {
SendResponse(true);
}
void BluetoothStartDiscoveryFunction::OnErrorCallback() {
SetError(kStartDiscoveryFailed);
SendResponse(false);
}
bool BluetoothStartDiscoveryFunction::DoWork(
scoped_refptr<BluetoothAdapter> adapter) {
GetEventRouter(browser_context())
->StartDiscoverySession(
adapter.get(), GetExtensionId(),
base::Bind(&BluetoothStartDiscoveryFunction::OnSuccessCallback, this),
base::Bind(&BluetoothStartDiscoveryFunction::OnErrorCallback, this));
return true;
}
void BluetoothStopDiscoveryFunction::OnSuccessCallback() {
SendResponse(true);
}
void BluetoothStopDiscoveryFunction::OnErrorCallback() {
SetError(kStopDiscoveryFailed);
SendResponse(false);
}
bool BluetoothStopDiscoveryFunction::DoWork(
scoped_refptr<BluetoothAdapter> adapter) {
GetEventRouter(browser_context())
->StopDiscoverySession(
adapter.get(), GetExtensionId(),
base::Bind(&BluetoothStopDiscoveryFunction::OnSuccessCallback, this),
base::Bind(&BluetoothStopDiscoveryFunction::OnErrorCallback, this));
return true;
}
} // namespace api
} // namespace extensions