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// Copyright 2014 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 "content/browser/bluetooth/bluetooth_dispatcher_host.h"
#include "base/strings/utf_string_conversions.h"
#include "content/common/bluetooth/bluetooth_messages.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/bluetooth_device.h"
#include "device/bluetooth/bluetooth_discovery_session.h"
using device::BluetoothAdapter;
using device::BluetoothAdapterFactory;
namespace content {
const uint32 kUnspecifiedDeviceClass =
0x1F00; // bluetooth.org/en-us/specification/assigned-numbers/baseband
const int kScanTime = 5; // 5 seconds of scan time
BluetoothDispatcherHost::BluetoothDispatcherHost()
: BrowserMessageFilter(BluetoothMsgStart),
bluetooth_mock_data_set_(MockData::NOT_MOCKING),
bluetooth_request_device_reject_type_(BluetoothError::NOT_FOUND),
weak_ptr_factory_(this) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (BluetoothAdapterFactory::IsBluetoothAdapterAvailable())
BluetoothAdapterFactory::GetAdapter(
base::Bind(&BluetoothDispatcherHost::set_adapter,
weak_ptr_factory_.GetWeakPtr()));
}
void BluetoothDispatcherHost::OnDestruct() const {
// See class comment: UI Thread Note.
BrowserThread::DeleteOnUIThread::Destruct(this);
}
void BluetoothDispatcherHost::OverrideThreadForMessage(
const IPC::Message& message,
content::BrowserThread::ID* thread) {
// See class comment: UI Thread Note.
*thread = BrowserThread::UI;
}
bool BluetoothDispatcherHost::OnMessageReceived(const IPC::Message& message) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(BluetoothDispatcherHost, message)
IPC_MESSAGE_HANDLER(BluetoothHostMsg_RequestDevice, OnRequestDevice)
IPC_MESSAGE_HANDLER(BluetoothHostMsg_ConnectGATT, OnConnectGATT)
IPC_MESSAGE_HANDLER(BluetoothHostMsg_SetBluetoothMockDataSetForTesting,
OnSetBluetoothMockDataSetForTesting)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
BluetoothDispatcherHost::~BluetoothDispatcherHost() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Clear adapter, releasing observer references.
set_adapter(scoped_refptr<device::BluetoothAdapter>());
}
void BluetoothDispatcherHost::set_adapter(
scoped_refptr<device::BluetoothAdapter> adapter) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (adapter_.get())
adapter_->RemoveObserver(this);
adapter_ = adapter;
if (adapter_.get())
adapter_->AddObserver(this);
}
void BluetoothDispatcherHost::OnRequestDevice(int thread_id, int request_id) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// TODO(scheib) Extend this very simple mock implementation by using
// device/bluetooth/test mock adapter and related classes.
switch (bluetooth_mock_data_set_) {
case MockData::NOT_MOCKING: {
// TODO(scheib): Filter devices by services: crbug.com/440594
// TODO(scheib): Device selection UI: crbug.com/436280
// TODO(scheib): Utilize BluetoothAdapter::Observer::DeviceAdded/Removed.
BluetoothAdapter::DeviceList devices;
if (adapter_.get()) {
adapter_->StartDiscoverySession(
base::Bind(&BluetoothDispatcherHost::OnDiscoverySessionStarted,
weak_ptr_factory_.GetWeakPtr(), thread_id, request_id),
base::Bind(&BluetoothDispatcherHost::OnDiscoverySessionStartedError,
weak_ptr_factory_.GetWeakPtr(), thread_id, request_id));
} else {
DLOG(WARNING) << "No BluetoothAdapter. Can't serve requestDevice.";
Send(new BluetoothMsg_RequestDeviceError(thread_id, request_id,
BluetoothError::NOT_FOUND));
}
return;
}
case MockData::REJECT: {
Send(new BluetoothMsg_RequestDeviceError(
thread_id, request_id, bluetooth_request_device_reject_type_));
return;
}
case MockData::RESOLVE: {
std::vector<std::string> uuids;
uuids.push_back("00001800-0000-1000-8000-00805f9b34fb");
uuids.push_back("00001801-0000-1000-8000-00805f9b34fb");
content::BluetoothDevice device_ipc(
"Empty Mock Device instanceID", // instance_id
base::UTF8ToUTF16("Empty Mock Device name"), // name
kUnspecifiedDeviceClass, // device_class
device::BluetoothDevice::VENDOR_ID_BLUETOOTH, // vendor_id_source
0xFFFF, // vendor_id
1, // product_id
2, // product_version
true, // paired
uuids); // uuids
Send(new BluetoothMsg_RequestDeviceSuccess(thread_id, request_id,
device_ipc));
return;
}
}
NOTREACHED();
}
void BluetoothDispatcherHost::OnConnectGATT(
int thread_id,
int request_id,
const std::string& device_instance_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// TODO(ortuno): Add actual implementation of connectGATT. This needs to be
// done after the "allowed devices map" is implemented.
Send(new BluetoothMsg_ConnectGATTSuccess(thread_id, request_id,
device_instance_id));
}
void BluetoothDispatcherHost::OnSetBluetoothMockDataSetForTesting(
const std::string& name) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (name == "RejectRequestDevice_NotFoundError") {
bluetooth_mock_data_set_ = MockData::REJECT;
bluetooth_request_device_reject_type_ = BluetoothError::NOT_FOUND;
} else if (name == "RejectRequestDevice_SecurityError") {
bluetooth_mock_data_set_ = MockData::REJECT;
bluetooth_request_device_reject_type_ = BluetoothError::SECURITY;
} else if (name == "ResolveRequestDevice_Empty" || // TODO(scheib): Remove.
name == "Single Empty Device") {
bluetooth_mock_data_set_ = MockData::RESOLVE;
} else {
bluetooth_mock_data_set_ = MockData::NOT_MOCKING;
}
}
void BluetoothDispatcherHost::OnDiscoverySessionStarted(
int thread_id,
int request_id,
scoped_ptr<device::BluetoothDiscoverySession> discovery_session) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostDelayedTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&BluetoothDispatcherHost::StopDiscoverySession,
weak_ptr_factory_.GetWeakPtr(), thread_id, request_id,
base::Passed(&discovery_session)),
base::TimeDelta::FromSeconds(kScanTime));
}
void BluetoothDispatcherHost::OnDiscoverySessionStartedError(int thread_id,
int request_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DLOG(WARNING) << "BluetoothDispatcherHost::OnDiscoverySessionStartedError";
Send(new BluetoothMsg_RequestDeviceError(thread_id, request_id,
BluetoothError::NOT_FOUND));
}
void BluetoothDispatcherHost::StopDiscoverySession(
int thread_id,
int request_id,
scoped_ptr<device::BluetoothDiscoverySession> discovery_session) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
discovery_session->Stop(
base::Bind(&BluetoothDispatcherHost::OnDiscoverySessionStopped,
weak_ptr_factory_.GetWeakPtr(), thread_id, request_id),
base::Bind(&BluetoothDispatcherHost::OnDiscoverySessionStoppedError,
weak_ptr_factory_.GetWeakPtr(), thread_id, request_id));
}
void BluetoothDispatcherHost::OnDiscoverySessionStopped(int thread_id,
int request_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BluetoothAdapter::DeviceList devices = adapter_->GetDevices();
if (devices.begin() == devices.end()) {
Send(new BluetoothMsg_RequestDeviceError(thread_id, request_id,
BluetoothError::NOT_FOUND));
} else {
device::BluetoothDevice* device = *devices.begin();
content::BluetoothDevice device_ipc(
device->GetAddress(), // instance_id
device->GetName(), // name
device->GetBluetoothClass(), // device_class
device->GetVendorIDSource(), // vendor_id_source
device->GetVendorID(), // vendor_id
device->GetProductID(), // product_id
device->GetDeviceID(), // product_version
device->IsPaired(), // paired
content::BluetoothDevice::UUIDsFromBluetoothUUIDs(
device->GetUUIDs())); // uuids
Send(new BluetoothMsg_RequestDeviceSuccess(thread_id, request_id,
device_ipc));
}
}
void BluetoothDispatcherHost::OnDiscoverySessionStoppedError(int thread_id,
int request_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DLOG(WARNING) << "BluetoothDispatcherHost::OnDiscoverySessionStoppedError";
Send(new BluetoothMsg_RequestDeviceError(thread_id, request_id,
BluetoothError::NOT_FOUND));
}
} // namespace content
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