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https://github.com/status-im/react-native.git
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ec673d0771
Summary: Now layout direction (LTR or LTR) can be specified not only for whole app but also for view subtree via `direction` style property. Reviewed By: mmmulani Differential Revision: D4510206 fbshipit-source-id: 4e56c5886b6e42f2343165eb76be897e681c5ba4
59 lines
1.6 KiB
Objective-C
59 lines
1.6 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTRootShadowView.h"
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#import "RCTI18nUtil.h"
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@implementation RCTRootShadowView
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/**
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* Init the RCTRootShadowView with RTL status.
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* Returns a RTL CSS layout if isRTL is true (Default is LTR CSS layout).
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*/
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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self.direction = [[RCTI18nUtil sharedInstance] isRTL] ? YGDirectionRTL : YGDirectionLTR;
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}
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return self;
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}
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- (void)applySizeConstraints
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{
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switch (_sizeFlexibility) {
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case RCTRootViewSizeFlexibilityNone:
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break;
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case RCTRootViewSizeFlexibilityWidth:
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YGNodeStyleSetWidth(self.cssNode, YGUndefined);
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break;
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case RCTRootViewSizeFlexibilityHeight:
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YGNodeStyleSetHeight(self.cssNode, YGUndefined);
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break;
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case RCTRootViewSizeFlexibilityWidthAndHeight:
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YGNodeStyleSetWidth(self.cssNode, YGUndefined);
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YGNodeStyleSetHeight(self.cssNode, YGUndefined);
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break;
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}
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}
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- (NSSet<RCTShadowView *> *)collectViewsWithUpdatedFrames
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{
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[self applySizeConstraints];
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YGNodeCalculateLayout(self.cssNode, YGUndefined, YGUndefined, YGDirectionInherit);
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NSMutableSet<RCTShadowView *> *viewsWithNewFrame = [NSMutableSet set];
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[self applyLayoutNode:self.cssNode viewsWithNewFrame:viewsWithNewFrame absolutePosition:CGPointZero];
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return viewsWithNewFrame;
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}
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@end
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