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// 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 "chrome/browser/chromeos/extensions/bluetooth_event_router.h"
#include <map>
#include "base/json/json_writer.h"
#include "base/memory/ref_counted.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h"
#include "chrome/browser/chromeos/bluetooth/bluetooth_device.h"
#include "chrome/browser/chromeos/bluetooth/bluetooth_socket.h"
#include "chrome/browser/extensions/api/bluetooth/bluetooth_api_utils.h"
#include "chrome/browser/extensions/extension_event_names.h"
#include "chrome/browser/extensions/extension_event_router.h"
#include "chrome/common/extensions/api/experimental_bluetooth.h"
namespace chromeos {
ExtensionBluetoothEventRouter::ExtensionBluetoothEventRouter(Profile* profile)
: profile_(profile),
adapter_(chromeos::BluetoothAdapter::CreateDefaultAdapter()),
next_socket_id_(1) {
DCHECK(profile_);
DCHECK(adapter_.get());
adapter_->AddObserver(this);
}
ExtensionBluetoothEventRouter::~ExtensionBluetoothEventRouter() {
adapter_->RemoveObserver(this);
socket_map_.clear();
}
int ExtensionBluetoothEventRouter::RegisterSocket(
scoped_refptr<BluetoothSocket> socket) {
// If there is a socket registered with the same fd, just return it's id
for (SocketMap::const_iterator i = socket_map_.begin();
i != socket_map_.end(); ++i) {
if (i->second->fd() == socket->fd()) {
return i->first;
}
}
int return_id = next_socket_id_++;
socket_map_[return_id] = socket;
return return_id;
}
bool ExtensionBluetoothEventRouter::ReleaseSocket(int id) {
SocketMap::iterator socket_entry = socket_map_.find(id);
if (socket_entry == socket_map_.end())
return false;
socket_map_.erase(socket_entry);
return true;
}
scoped_refptr<BluetoothSocket> ExtensionBluetoothEventRouter::GetSocket(
int id) {
SocketMap::iterator socket_entry = socket_map_.find(id);
if (socket_entry == socket_map_.end())
return NULL;
return socket_entry->second;
}
void ExtensionBluetoothEventRouter::SetSendDiscoveryEvents(bool should_send) {
send_discovery_events_ = should_send;
}
void ExtensionBluetoothEventRouter::AdapterPresentChanged(
chromeos::BluetoothAdapter* adapter, bool present) {
DCHECK(adapter == adapter_.get());
DispatchBooleanValueEvent(
extension_event_names::kBluetoothOnAvailabilityChanged,
present);
}
void ExtensionBluetoothEventRouter::AdapterPoweredChanged(
chromeos::BluetoothAdapter* adapter, bool has_power) {
DCHECK(adapter == adapter_.get());
DispatchBooleanValueEvent(
extension_event_names::kBluetoothOnPowerChanged,
has_power);
}
void ExtensionBluetoothEventRouter::DeviceAdded(
chromeos::BluetoothAdapter* adapter, chromeos::BluetoothDevice* device) {
if (!send_discovery_events_)
return;
DCHECK(adapter == adapter_.get());
extensions::api::experimental_bluetooth::Device extension_device;
extensions::api::experimental_bluetooth::BluetoothDeviceToApiDevice(
*device, &extension_device);
ListValue args;
args.Append(extension_device.ToValue().release());
std::string json_args;
base::JSONWriter::Write(&args, &json_args);
profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
extension_event_names::kBluetoothOnDeviceDiscovered,
json_args,
NULL,
GURL());
}
void ExtensionBluetoothEventRouter::DispatchBooleanValueEvent(
const char* event_name, bool value) {
ListValue args;
args.Append(Value::CreateBooleanValue(value));
std::string json_args;
base::JSONWriter::Write(&args, &json_args);
// TODO(bryeung): only dispatch the event to interested renderers
// crbug.com/133179
profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
event_name, json_args, NULL, GURL());
}
} // namespace chromeos
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