WebDeviceOrientation.mm   [plain text]

/*
* Copyright (C) 2010 Google 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
* 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 "WebDeviceOrientationInternal.h"

using namespace WebCore;

@implementation WebDeviceOrientationInternal

- (id)initWithCoreDeviceOrientation:(RefPtr<DeviceOrientationData>&&)coreDeviceOrientation
{
self = [super init];
if (!self)
return nil;
m_orientation = WTFMove(coreDeviceOrientation);
return self;
}

@end

@implementation WebDeviceOrientation (Internal)

- (id)initWithCoreDeviceOrientation:(RefPtr<WebCore::DeviceOrientationData>&&)coreDeviceOrientation
{
self = [super init];
if (!self)
return nil;
m_internal = [[WebDeviceOrientationInternal alloc] initWithCoreDeviceOrientation:WTFMove(coreDeviceOrientation)];
return self;
}

@end

@implementation WebDeviceOrientation

DeviceOrientationData* core(WebDeviceOrientation* orientation)
{
return orientation ? orientation->m_internal->m_orientation.get() : 0;
}

static Optional<double> convert(bool canProvide, double value)
{
if (!canProvide)
return WTF::nullopt;
return value;
}

- (id)initWithCanProvideAlpha:(bool)canProvideAlpha alpha:(double)alpha canProvideBeta:(bool)canProvideBeta beta:(double)beta canProvideGamma:(bool)canProvideGamma gamma:(double)gamma
{
self = [super init];
if (!self)
return nil;
#if PLATFORM(IOS_FAMILY)
// We don't use this API, but make sure that it compiles with the new
// compass parameters.
m_internal = [[WebDeviceOrientationInternal alloc] initWithCoreDeviceOrientation:DeviceOrientationData::create(convert(canProvideAlpha, alpha), convert(canProvideBeta, beta), convert(canProvideGamma, gamma), WTF::nullopt, WTF::nullopt)];
#else
m_internal = [[WebDeviceOrientationInternal alloc] initWithCoreDeviceOrientation:DeviceOrientationData::create(convert(canProvideAlpha, alpha), convert(canProvideBeta, beta), convert(canProvideGamma, gamma), WTF::nullopt)];
#endif
return self;
}

- (void)dealloc
{
[m_internal release];
[super dealloc];
}

@end