/*
 * Copyright (C) 2014-2018 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#import <wtf/Platform.h>

#if PLATFORM(IOS_FAMILY)

#if USE(APPLE_INTERNAL_SDK)

#import <GraphicsServices/GraphicsServices.h>

#endif

WTF_EXTERN_C_BEGIN

void GSInitialize(void);
uint64_t GSCurrentEventTimestamp(void);
CFStringRef GSSystemRootDirectory(void);
void GSFontInitialize(void);
void GSFontPurgeFontCache(void);

typedef struct __GSKeyboard* GSKeyboardRef;
uint32_t GSKeyboardGetModifierState(GSKeyboardRef);
Boolean GSEventIsHardwareKeyboardAttached();
void GSEventSetHardwareKeyboardAttached(Boolean attached, uint8_t country);

extern const char *kGSEventHardwareKeyboardAvailabilityChangedNotification;

WTF_EXTERN_C_END

#endif