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/*
* Copyright (C) 2006, 2014 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. ``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
* 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 "PlatformScreen.h"
#if PLATFORM(IOS_FAMILY)
#import "DeprecatedGlobalSettings.h"
#import "Device.h"
#import "FloatRect.h"
#import "FloatSize.h"
#import "FrameView.h"
#import "GraphicsContextCG.h"
#import "HostWindow.h"
#import "IntRect.h"
#import "WAKWindow.h"
#import "Widget.h"
#import <pal/cocoa/MediaToolboxSoftLink.h>
#import <pal/ios/UIKitSoftLink.h>
#import <pal/spi/ios/MobileGestaltSPI.h>
#import <pal/spi/ios/UIKitSPI.h>
namespace WebCore {
int screenDepth(Widget*)
{
// Assume 32 bits per pixel. See <rdar://problem/9378829>.
return 32;
}
int screenDepthPerComponent(Widget*)
{
// Assume the screen depth is evenly divided into four color components. See <rdar://problem/9378829>.
return screenDepth(nullptr) / 4;
}
bool screenIsMonochrome(Widget*)
{
return PAL::softLinkUIKitUIAccessibilityIsGrayscaleEnabled();
}
bool screenHasInvertedColors()
{
return PAL::softLinkUIKitUIAccessibilityIsInvertColorsEnabled();
}
bool screenSupportsExtendedColor(Widget*)
{
return MGGetBoolAnswer(kMGQHasExtendedColorDisplay);
}
bool screenSupportsHighDynamicRange(Widget*)
{
#if USE(MEDIATOOLBOX)
if (PAL::canLoad_MediaToolbox_MTShouldPlayHDRVideo())
return PAL::softLink_MediaToolbox_MTShouldPlayHDRVideo(nullptr);
#endif
return false;
}
CGColorSpaceRef screenColorSpace(Widget* widget)
{
return screenSupportsExtendedColor(widget) ? extendedSRGBColorSpaceRef() : sRGBColorSpaceRef();
}
// These functions scale between screen and page coordinates because JavaScript/DOM operations
// assume that the screen and the page share the same coordinate system.
FloatRect screenRect(Widget* widget)
{
if (!widget)
return FloatRect();
if (NSView *platformWidget = widget->platformWidget()) {
// WebKit1
WAKWindow *window = [platformWidget window];
if (!window)
return [platformWidget frame];
CGRect screenRect = { CGPointZero, [window screenSize] };
return enclosingIntRect(screenRect);
}
return enclosingIntRect(FloatRect(FloatPoint(), widget->root()->hostWindow()->overrideScreenSize()));
}
FloatRect screenAvailableRect(Widget* widget)
{
if (!widget)
return FloatRect();
if (NSView *platformWidget = widget->platformWidget()) {
// WebKit1
WAKWindow *window = [platformWidget window];
if (!window)
return FloatRect();
CGRect screenRect = { CGPointZero, [window availableScreenSize] };
return enclosingIntRect(screenRect);
}
return enclosingIntRect(FloatRect(FloatPoint(), widget->root()->hostWindow()->availableScreenSize()));
}
float screenPPIFactor()
{
static float ppiFactor;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
int pitch = MGGetSInt32Answer(kMGQMainScreenPitch, 0);
float scale = MGGetFloat32Answer(kMGQMainScreenScale, 0);
static const float originalIPhonePPI = 163;
float mainScreenPPI = (pitch && scale) ? pitch / scale : originalIPhonePPI;
ppiFactor = mainScreenPPI / originalIPhonePPI;
});
return ppiFactor;
}
FloatSize screenSize()
{
if (deviceHasIPadCapability() && [[PAL::getUIApplicationClass() sharedApplication] _isClassic])
return { 320, 480 };
return FloatSize([[PAL::getUIScreenClass() mainScreen] _referenceBounds].size);
}
FloatSize availableScreenSize()
{
if (deviceHasIPadCapability() && [[PAL::getUIApplicationClass() sharedApplication] _isClassic])
return { 320, 480 };
return FloatSize([PAL::getUIScreenClass() mainScreen].bounds.size);
}
#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/PlatformScreenIOS.mm>)
#import <WebKitAdditions/PlatformScreenIOS.mm>
#else
FloatSize overrideScreenSize()
{
return screenSize();
}
#endif
float screenScaleFactor(UIScreen *screen)
{
if (!screen)
screen = [PAL::getUIScreenClass() mainScreen];
return screen.scale;
}
} // namespace WebCore
#endif // PLATFORM(IOS_FAMILY)