// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_DBUS_USB_USBGUARD_CLIENT_H_
#define CHROMEOS_ASH_COMPONENTS_DBUS_USB_USBGUARD_CLIENT_H_
#include "base/component_export.h"
#include "chromeos/ash/components/dbus/usb/usbguard_observer.h"
namespace dbus {
class Bus;
}
namespace ash {
class COMPONENT_EXPORT(USB_CLIENT) UsbguardClient {
public:
UsbguardClient(const UsbguardClient&) = delete;
UsbguardClient& operator=(const UsbguardClient&) = delete;
virtual ~UsbguardClient();
// Creates and initializes the global instance. |bus| must not be null.
static void Initialize(dbus::Bus* bus);
// Creates and initializes a fake global instance if not already created.
static void InitializeFake();
// Destroys the global instance which must have been initialized.
static void Shutdown();
// Returns the global instance if initialized. May return null.
static UsbguardClient* Get();
// Adds the given observer.
virtual void AddObserver(UsbguardObserver* observer) = 0;
// Removes the given observer if this object has the observer.
virtual void RemoveObserver(UsbguardObserver* observer) = 0;
// Returns true if this object has the given observer.
virtual bool HasObserver(const UsbguardObserver* observer) const = 0;
protected:
// Initialize/Shutdown should be used instead.
UsbguardClient();
};
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DBUS_USB_USBGUARD_CLIENT_H_