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/*
* Copyright (C) 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
#include "FloatRect.h"
#include "PlatformScreen.h"
#include <wtf/EnumTraits.h>
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
#include <wtf/text/WTFString.h>
typedef struct CGColorSpace *CGColorSpaceRef;
namespace WebCore {
struct ScreenData {
FloatRect screenAvailableRect;
FloatRect screenRect;
RetainPtr<CGColorSpaceRef> colorSpace;
int screenDepth { 0 };
int screenDepthPerComponent { 0 };
bool screenSupportsExtendedColor { false };
bool screenHasInvertedColors { false };
bool screenSupportsHighDynamicRange { false };
#if PLATFORM(MAC)
bool screenIsMonochrome { false };
uint32_t displayMask { 0 };
IORegistryGPUID gpuID { 0 };
#endif
enum class ColorSpaceType : uint8_t { None, Name, Data };
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<ScreenData> decode(Decoder&);
};
typedef HashMap<PlatformDisplayID, ScreenData> ScreenDataMap;
struct ScreenProperties {
PlatformDisplayID primaryDisplayID { 0 };
ScreenDataMap screenDataMap;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<ScreenProperties> decode(Decoder&);
};
template<class Encoder>
void ScreenProperties::encode(Encoder& encoder) const
{
encoder << primaryDisplayID;
encoder << screenDataMap;
}
template<class Decoder>
Optional<ScreenProperties> ScreenProperties::decode(Decoder& decoder)
{
Optional<PlatformDisplayID> primaryDisplayID;
decoder >> primaryDisplayID;
if (!primaryDisplayID)
return WTF::nullopt;
Optional<ScreenDataMap> screenDataMap;
decoder >> screenDataMap;
if (!screenDataMap)
return WTF::nullopt;
return { { *primaryDisplayID, WTFMove(*screenDataMap) } };
}
template<class Encoder>
void ScreenData::encode(Encoder& encoder) const
{
encoder << screenAvailableRect << screenRect << screenDepth << screenDepthPerComponent << screenSupportsExtendedColor << screenHasInvertedColors << screenSupportsHighDynamicRange;
#if PLATFORM(MAC)
encoder << screenIsMonochrome << displayMask << gpuID;
#endif
if (colorSpace) {
// Try to encode the name.
if (auto name = adoptCF(CGColorSpaceCopyName(colorSpace.get()))) {
encoder << ColorSpaceType::Name;
encoder << String(name.get());
return;
}
// Failing that, just encode the ICC data.
if (auto profileData = adoptCF(CGColorSpaceCopyICCData(colorSpace.get()))) {
Vector<uint8_t> iccData;
iccData.append(CFDataGetBytePtr(profileData.get()), CFDataGetLength(profileData.get()));
encoder << ColorSpaceType::Data;
encoder << iccData;
return;
}
}
// The color space was null or failed to be encoded.
encoder << ColorSpaceType::None;
}
template<class Decoder>
Optional<ScreenData> ScreenData::decode(Decoder& decoder)
{
Optional<FloatRect> screenAvailableRect;
decoder >> screenAvailableRect;
if (!screenAvailableRect)
return WTF::nullopt;
Optional<FloatRect> screenRect;
decoder >> screenRect;
if (!screenRect)
return WTF::nullopt;
Optional<int> screenDepth;
decoder >> screenDepth;
if (!screenDepth)
return WTF::nullopt;
Optional<int> screenDepthPerComponent;
decoder >> screenDepthPerComponent;
if (!screenDepthPerComponent)
return WTF::nullopt;
Optional<bool> screenSupportsExtendedColor;
decoder >> screenSupportsExtendedColor;
if (!screenSupportsExtendedColor)
return WTF::nullopt;
Optional<bool> screenHasInvertedColors;
decoder >> screenHasInvertedColors;
if (!screenHasInvertedColors)
return WTF::nullopt;
Optional<bool> screenSupportsHighDynamicRange;
decoder >> screenSupportsHighDynamicRange;
if (!screenSupportsHighDynamicRange)
return WTF::nullopt;
#if PLATFORM(MAC)
Optional<bool> screenIsMonochrome;
decoder >> screenIsMonochrome;
if (!screenIsMonochrome)
return WTF::nullopt;
Optional<uint32_t> displayMask;
decoder >> displayMask;
if (!displayMask)
return WTF::nullopt;
Optional<IORegistryGPUID> gpuID;
decoder >> gpuID;
if (!gpuID)
return WTF::nullopt;
#endif
ColorSpaceType dataType;
if (!decoder.decode(dataType))
return WTF::nullopt;
RetainPtr<CGColorSpaceRef> cgColorSpace;
switch (dataType) {
case ColorSpaceType::None:
break;
case ColorSpaceType::Name: {
Optional<String> colorSpaceName;
decoder >> colorSpaceName;
ASSERT(colorSpaceName);
if (!colorSpaceName)
return WTF::nullopt;
cgColorSpace = adoptCF(CGColorSpaceCreateWithName(colorSpaceName->createCFString().get()));
break;
}
case ColorSpaceType::Data: {
Optional<Vector<uint8_t>> iccData;
decoder >> iccData;
ASSERT(iccData);
if (!iccData)
return WTF::nullopt;
auto colorSpaceData = adoptCF(CFDataCreate(kCFAllocatorDefault, iccData->data(), iccData->size()));
cgColorSpace = adoptCF(CGColorSpaceCreateWithICCData(colorSpaceData.get()));
break;
}
}
return { {
WTFMove(*screenAvailableRect),
WTFMove(*screenRect),
WTFMove(cgColorSpace),
WTFMove(*screenDepth),
WTFMove(*screenDepthPerComponent),
WTFMove(*screenSupportsExtendedColor),
WTFMove(*screenHasInvertedColors),
WTFMove(*screenSupportsHighDynamicRange),
#if PLATFORM(MAC)
WTFMove(*screenIsMonochrome),
WTFMove(*displayMask),
WTFMove(*gpuID)
#endif
} };
}
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::ScreenData::ColorSpaceType> {
using values = EnumValues<
WebCore::ScreenData::ColorSpaceType,
WebCore::ScreenData::ColorSpaceType::None,
WebCore::ScreenData::ColorSpaceType::Name,
WebCore::ScreenData::ColorSpaceType::Data
>;
};
} // namespace WTF