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/*
* 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.
*/
#include "config.h"
#include "LocalCurrentTraitCollection.h"
#if PLATFORM(IOS_FAMILY)
#include <pal/ios/UIKitSoftLink.h>
namespace WebCore {
LocalCurrentTraitCollection::LocalCurrentTraitCollection(bool useDarkAppearance, bool useElevatedUserInterfaceLevel)
{
#if HAVE(OS_DARK_MODE_SUPPORT)
m_savedTraitCollection = [PAL::getUITraitCollectionClass() currentTraitCollection];
m_usingDarkAppearance = useDarkAppearance;
m_usingElevatedUserInterfaceLevel = useElevatedUserInterfaceLevel;
auto userInterfaceStyleTrait = [PAL::getUITraitCollectionClass() traitCollectionWithUserInterfaceStyle:m_usingDarkAppearance ? UIUserInterfaceStyleDark : UIUserInterfaceStyleLight];
auto backgroundLevelTrait = [PAL::getUITraitCollectionClass() traitCollectionWithUserInterfaceLevel:m_usingElevatedUserInterfaceLevel ? UIUserInterfaceLevelElevated : UIUserInterfaceLevelBase];
auto newTraitCollection = [PAL::getUITraitCollectionClass() traitCollectionWithTraitsFromCollections:@[ m_savedTraitCollection.get(), userInterfaceStyleTrait, backgroundLevelTrait ]];
[PAL::getUITraitCollectionClass() setCurrentTraitCollection:newTraitCollection];
#else
UNUSED_PARAM(useDarkAppearance);
UNUSED_PARAM(useElevatedUserInterfaceLevel);
#endif
}
LocalCurrentTraitCollection::LocalCurrentTraitCollection(UITraitCollection *traitCollection)
{
#if HAVE(OS_DARK_MODE_SUPPORT)
m_savedTraitCollection = [PAL::getUITraitCollectionClass() currentTraitCollection];
m_usingDarkAppearance = traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark;
m_usingElevatedUserInterfaceLevel = traitCollection.userInterfaceLevel == UIUserInterfaceLevelElevated;
[PAL::getUITraitCollectionClass() setCurrentTraitCollection:traitCollection];
#else
UNUSED_PARAM(traitCollection);
#endif
}
LocalCurrentTraitCollection::~LocalCurrentTraitCollection()
{
#if HAVE(OS_DARK_MODE_SUPPORT)
[PAL::getUITraitCollectionClass() setCurrentTraitCollection:m_savedTraitCollection.get()];
#endif
}
}
#endif // PLATFORM(IOS_FAMILY)