react-native/React/Views/RCTRootShadowView.m
Nick Lockwood d033c45f93 Extracted rootview-specific shadowview logic into new class
Summary:It was hard to understand which parts of the shadowview API are designed to be called only on the root view, and which were applicable to any view.

This diff extracts rootview-specific logic out into a new RCTRootShadowView class.

Reviewed By: majak

Differential Revision: D3063905

fb-gh-sync-id: ef890cddfd7625fbd4bf5454314b441acdb03ac8
shipit-source-id: ef890cddfd7625fbd4bf5454314b441acdb03ac8
2016-03-21 03:21:27 -07:00

45 lines
1.3 KiB
Objective-C

/**
* 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 "RCTRootShadowView.h"
@implementation RCTRootShadowView
- (void)applySizeConstraints
{
switch (_sizeFlexibility) {
case RCTRootViewSizeFlexibilityNone:
break;
case RCTRootViewSizeFlexibilityWidth:
self.cssNode->style.dimensions[CSS_WIDTH] = CSS_UNDEFINED;
break;
case RCTRootViewSizeFlexibilityHeight:
self.cssNode->style.dimensions[CSS_HEIGHT] = CSS_UNDEFINED;
break;
case RCTRootViewSizeFlexibilityWidthAndHeight:
self.cssNode->style.dimensions[CSS_WIDTH] = CSS_UNDEFINED;
self.cssNode->style.dimensions[CSS_HEIGHT] = CSS_UNDEFINED;
break;
}
}
- (NSSet<RCTShadowView *> *)collectViewsWithUpdatedFrames
{
[self applySizeConstraints];
[self fillCSSNode:self.cssNode];
layoutNode(self.cssNode, CSS_UNDEFINED, CSS_UNDEFINED, CSS_DIRECTION_INHERIT);
NSMutableSet<RCTShadowView *> *viewsWithNewFrame = [NSMutableSet set];
[self applyLayoutNode:self.cssNode viewsWithNewFrame:viewsWithNewFrame absolutePosition:CGPointZero];
return viewsWithNewFrame;
}
@end