| /* |
| * Copyright (C) 2019 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. |
| */ |
| |
| #import "config.h" |
| #import "UserInterfaceIdiom.h" |
| |
| #if PLATFORM(IOS_FAMILY) |
| |
| #import "UIKitSPI.h" |
| #import <WebCore/Device.h> |
| |
| namespace WebKit { |
| |
| enum class UserInterfaceIdiomState : uint8_t { |
| IsPad, |
| IsNotPad, |
| Unknown, |
| }; |
| |
| static UserInterfaceIdiomState userInterfaceIdiomIsPadState = UserInterfaceIdiomState::Unknown; |
| |
| static inline bool userInterfaceIdiomIsPad() |
| { |
| // If we are in a daemon, we cannot use UIDevice. Fall back to checking the hardware itself. |
| // Since daemons don't ever run in an iPhone-app-on-iPad jail, this will be accurate in the daemon case, |
| // but is not sufficient in the application case. |
| if (![UIApplication sharedApplication]) |
| return WebCore::deviceClass() == MGDeviceClassiPad; |
| |
| // This inline function exists to thwart unreachable code |
| // detection on platforms where UICurrentUserInterfaceIdiomIsPad |
| // is defined directly to false. |
| #if USE(APPLE_INTERNAL_SDK) && !PLATFORM(MACCATALYST) |
| return UICurrentUserInterfaceIdiomIsPad(); |
| #else |
| return [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad; |
| #endif |
| } |
| |
| bool currentUserInterfaceIdiomIsPad() |
| { |
| if (userInterfaceIdiomIsPadState == UserInterfaceIdiomState::Unknown) |
| setCurrentUserInterfaceIdiomIsPad(userInterfaceIdiomIsPad()); |
| |
| return userInterfaceIdiomIsPadState == UserInterfaceIdiomState::IsPad; |
| } |
| |
| void setCurrentUserInterfaceIdiomIsPad(bool isPad) |
| { |
| userInterfaceIdiomIsPadState = isPad ? UserInterfaceIdiomState::IsPad : UserInterfaceIdiomState::IsNotPad; |
| } |
| |
| } |
| |
| #endif |