blob: 25482956a15f117a6797b29a638cdfebf2692972 [file] [log] [blame]
// Copyright (c) 2013 The Chromium OS 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 "mist/usb_modem_switcher.h"
#include <memory>
#include <base/bind.h>
#include "mist/config_loader.h"
#include "mist/context.h"
#include "mist/proto_bindings/usb_modem_info.pb.h"
#include "mist/usb_device_event_notifier.h"
#include "mist/usb_modem_switch_context.h"
#include "mist/usb_modem_switch_operation.h"
using base::Bind;
using base::Unretained;
using std::string;
using std::unique_ptr;
namespace mist {
// TODO(benchan): Add unit tests for UsbModemSwitcher.
UsbModemSwitcher::UsbModemSwitcher(Context* context) : context_(context) {
CHECK(context_);
}
UsbModemSwitcher::~UsbModemSwitcher() {
context_->usb_device_event_notifier()->RemoveObserver(this);
}
void UsbModemSwitcher::Start() {
context_->usb_device_event_notifier()->AddObserver(this);
context_->usb_device_event_notifier()->ScanExistingDevices();
}
void UsbModemSwitcher::OnSwitchOperationCompleted(
UsbModemSwitchOperation* operation,
bool success) {
CHECK(operation);
delete operation;
}
void UsbModemSwitcher::OnUsbDeviceAdded(const string& sys_path,
uint8_t bus_number,
uint8_t device_address,
uint16_t vendor_id,
uint16_t product_id) {
const UsbModemInfo* modem_info =
context_->config_loader()->GetUsbModemInfo(vendor_id, product_id);
if (!modem_info)
return; // Ignore an unsupported device.
unique_ptr<UsbModemSwitchContext> switch_context(new UsbModemSwitchContext(
sys_path, bus_number, device_address, vendor_id, product_id, modem_info));
CHECK(switch_context);
UsbModemSwitchOperation* operation =
new UsbModemSwitchOperation(context_, switch_context.release());
CHECK(operation);
// The operation object will be deleted in OnSwitchOperationCompleted().
operation->Start(
Bind(&UsbModemSwitcher::OnSwitchOperationCompleted, Unretained(this)));
}
void UsbModemSwitcher::OnUsbDeviceRemoved(const string& sys_path) {
// UsbModemSwitcher does not need to handle device removal.
}
} // namespace mist