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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/child/bluetooth/bluetooth_dispatcher.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/thread_task_runner_handle.h"
#include "content/child/thread_safe_sender.h"
#include "content/common/bluetooth/bluetooth_messages.h"
#include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothDevice.h"
#include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError.h"
#include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTRemoteServer.h"
using blink::WebBluetoothConnectGATTCallbacks;
using blink::WebBluetoothDevice;
using blink::WebBluetoothError;
using blink::WebBluetoothGATTRemoteServer;
using blink::WebBluetoothRequestDeviceCallbacks;
using blink::WebString;
using blink::WebVector;
namespace content {
namespace {
base::LazyInstance<base::ThreadLocalPointer<BluetoothDispatcher>>::Leaky
g_dispatcher_tls = LAZY_INSTANCE_INITIALIZER;
BluetoothDispatcher* const kHasBeenDeleted =
reinterpret_cast<BluetoothDispatcher*>(0x1);
int CurrentWorkerId() {
return WorkerTaskRunner::Instance()->CurrentWorkerId();
}
WebBluetoothError::ErrorType WebBluetoothErrorFromBluetoothError(
BluetoothError error_type) {
switch (error_type) {
case BluetoothError::NETWORK_ERROR:
return WebBluetoothError::NetworkError;
case BluetoothError::NOT_FOUND:
return WebBluetoothError::NotFoundError;
case BluetoothError::SECURITY:
return WebBluetoothError::SecurityError;
}
NOTIMPLEMENTED();
return WebBluetoothError::NotFoundError;
}
WebBluetoothDevice::VendorIDSource GetWebVendorIdSource(
device::BluetoothDevice::VendorIDSource vendor_id_source) {
switch (vendor_id_source) {
case device::BluetoothDevice::VENDOR_ID_UNKNOWN:
return WebBluetoothDevice::VendorIDSource::Unknown;
case device::BluetoothDevice::VENDOR_ID_BLUETOOTH:
return WebBluetoothDevice::VendorIDSource::Bluetooth;
case device::BluetoothDevice::VENDOR_ID_USB:
return WebBluetoothDevice::VendorIDSource::USB;
}
NOTREACHED();
return WebBluetoothDevice::VendorIDSource::Unknown;
}
} // namespace
BluetoothDispatcher::BluetoothDispatcher(ThreadSafeSender* sender)
: thread_safe_sender_(sender) {
g_dispatcher_tls.Pointer()->Set(this);
}
BluetoothDispatcher::~BluetoothDispatcher() {
g_dispatcher_tls.Pointer()->Set(kHasBeenDeleted);
}
BluetoothDispatcher* BluetoothDispatcher::GetOrCreateThreadSpecificInstance(
ThreadSafeSender* thread_safe_sender) {
if (g_dispatcher_tls.Pointer()->Get() == kHasBeenDeleted) {
NOTREACHED() << "Re-instantiating TLS BluetoothDispatcher.";
g_dispatcher_tls.Pointer()->Set(NULL);
}
if (g_dispatcher_tls.Pointer()->Get())
return g_dispatcher_tls.Pointer()->Get();
BluetoothDispatcher* dispatcher = new BluetoothDispatcher(thread_safe_sender);
if (CurrentWorkerId())
WorkerTaskRunner::Instance()->AddStopObserver(dispatcher);
return dispatcher;
}
bool BluetoothDispatcher::Send(IPC::Message* msg) {
return thread_safe_sender_->Send(msg);
}
void BluetoothDispatcher::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(BluetoothDispatcher, msg)
IPC_MESSAGE_HANDLER(BluetoothMsg_RequestDeviceSuccess,
OnRequestDeviceSuccess);
IPC_MESSAGE_HANDLER(BluetoothMsg_RequestDeviceError, OnRequestDeviceError);
IPC_MESSAGE_HANDLER(BluetoothMsg_ConnectGATTSuccess, OnConnectGATTSuccess);
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
DCHECK(handled) << "Unhandled message:" << msg.type();
}
void BluetoothDispatcher::requestDevice(
blink::WebBluetoothRequestDeviceCallbacks* callbacks) {
int request_id = pending_requests_.Add(callbacks);
Send(new BluetoothHostMsg_RequestDevice(CurrentWorkerId(), request_id));
}
void BluetoothDispatcher::connectGATT(
const blink::WebString& device_instance_id,
blink::WebBluetoothConnectGATTCallbacks* callbacks) {
int request_id = pending_connect_requests_.Add(callbacks);
Send(new BluetoothHostMsg_ConnectGATT(CurrentWorkerId(), request_id,
device_instance_id.utf8()));
}
void BluetoothDispatcher::SetBluetoothMockDataSetForTesting(
const std::string& name) {
Send(new BluetoothHostMsg_SetBluetoothMockDataSetForTesting(name));
}
void BluetoothDispatcher::OnWorkerRunLoopStopped() {
delete this;
}
void BluetoothDispatcher::OnRequestDeviceSuccess(
int thread_id,
int request_id,
const BluetoothDevice& device) {
DCHECK(pending_requests_.Lookup(request_id)) << request_id;
WebVector<WebString> uuids(device.uuids.size());
for (size_t i = 0; i < device.uuids.size(); ++i)
uuids[i] = WebString::fromUTF8(device.uuids[i].c_str());
pending_requests_.Lookup(request_id)
->onSuccess(new WebBluetoothDevice(
WebString::fromUTF8(device.instance_id), WebString(device.name),
device.device_class, GetWebVendorIdSource(device.vendor_id_source),
device.vendor_id, device.product_id, device.product_version,
device.paired, uuids));
pending_requests_.Remove(request_id);
}
void BluetoothDispatcher::OnConnectGATTSuccess(
int thread_id,
int request_id,
const std::string& device_instance_id) {
DCHECK(pending_connect_requests_.Lookup(request_id)) << request_id;
pending_connect_requests_.Lookup(request_id)
->onSuccess(new WebBluetoothGATTRemoteServer(
WebString::fromUTF8(device_instance_id), true /* connected */));
pending_connect_requests_.Remove(request_id);
}
void BluetoothDispatcher::OnRequestDeviceError(int thread_id,
int request_id,
BluetoothError error_type) {
DCHECK(pending_requests_.Lookup(request_id)) << request_id;
pending_requests_.Lookup(request_id)
->onError(new WebBluetoothError(
WebBluetoothErrorFromBluetoothError(error_type), ""));
pending_requests_.Remove(request_id);
}
} // namespace content
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