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Migrate DeviceInfoModule from RN Module to Native Function.

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Reviewed By: danzimm

Differential Revision: D6750934

fbshipit-source-id: f453801737e41632c6b84ff894e7f0eb66b575dc
This commit is contained in:
Dmitry Zakharov
2018-01-29 11:07:37 -08:00
committed by Facebook Github Bot
parent 6224ef5301
commit 429fcc8cab
5 changed files with 165 additions and 45 deletions
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37
React/UIUtils/RCTUIUtils.h Normal file
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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <CoreGraphics/CoreGraphics.h>
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
#ifdef __cplusplus
extern "C" {
#endif
// Get window and screen dimensions
typedef struct {
struct {
CGFloat width, height, scale, fontScale;
} window, screen;
} RCTDimensions;
extern __attribute__((visibility("default")))
RCTDimensions RCTGetDimensions(CGFloat fontScale);
// Get font size multiplier for font base size (Large) by content size category
extern __attribute__((visibility("default")))
CGFloat RCTGetMultiplierForContentSizeCategory(UIContentSizeCategory category);
#ifdef __cplusplus
}
#endif
NS_ASSUME_NONNULL_END

52
React/UIUtils/RCTUIUtils.m Normal file
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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTUIUtils.h"
RCTDimensions RCTGetDimensions(CGFloat fontScale)
{
UIScreen *mainScreen = UIScreen.mainScreen;
CGSize screenSize = mainScreen.bounds.size;
RCTDimensions result;
typeof (result.window) dims = {
.width = screenSize.width,
.height = screenSize.height,
.scale = mainScreen.scale,
.fontScale = fontScale
};
result.window = dims;
result.screen = dims;
return result;
}
CGFloat RCTGetMultiplierForContentSizeCategory(UIContentSizeCategory category)
{
static NSDictionary<NSString *, NSNumber *> *multipliers = nil;
static dispatch_once_t token;
dispatch_once(&token, ^{
multipliers = @{
UIContentSizeCategoryExtraSmall: @0.823,
UIContentSizeCategorySmall: @0.882,
UIContentSizeCategoryMedium: @0.941,
UIContentSizeCategoryLarge: @1.0,
UIContentSizeCategoryExtraLarge: @1.118,
UIContentSizeCategoryExtraExtraLarge: @1.235,
UIContentSizeCategoryExtraExtraExtraLarge: @1.353,
UIContentSizeCategoryAccessibilityMedium: @1.786,
UIContentSizeCategoryAccessibilityLarge: @2.143,
UIContentSizeCategoryAccessibilityExtraLarge: @2.643,
UIContentSizeCategoryAccessibilityExtraExtraLarge: @3.143,
UIContentSizeCategoryAccessibilityExtraExtraExtraLarge: @3.571
};
});
double value = multipliers[category].doubleValue;
return value > 0.0 ? value : 1.0;
}