react-native/React/Views/RCTViewManager.m

292 lines
10 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 "RCTViewManager.h"
#import "RCTBridge.h"
#import "RCTConvert.h"
#import "RCTEventDispatcher.h"
#import "RCTLog.h"
#import "RCTShadowView.h"
#import "RCTUIManager.h"
#import "RCTUtils.h"
#import "RCTView.h"
#import "UIView+React.h"
@implementation RCTConvert(UIAccessibilityTraits)
RCT_MULTI_ENUM_CONVERTER(UIAccessibilityTraits, (@{
@"none": @(UIAccessibilityTraitNone),
@"button": @(UIAccessibilityTraitButton),
@"link": @(UIAccessibilityTraitLink),
@"header": @(UIAccessibilityTraitHeader),
@"search": @(UIAccessibilityTraitSearchField),
@"image": @(UIAccessibilityTraitImage),
@"selected": @(UIAccessibilityTraitSelected),
@"plays": @(UIAccessibilityTraitPlaysSound),
@"key": @(UIAccessibilityTraitKeyboardKey),
@"text": @(UIAccessibilityTraitStaticText),
@"summary": @(UIAccessibilityTraitSummaryElement),
@"disabled": @(UIAccessibilityTraitNotEnabled),
@"frequentUpdates": @(UIAccessibilityTraitUpdatesFrequently),
@"startsMedia": @(UIAccessibilityTraitStartsMediaSession),
@"adjustable": @(UIAccessibilityTraitAdjustable),
@"allowsDirectInteraction": @(UIAccessibilityTraitAllowsDirectInteraction),
@"pageTurn": @(UIAccessibilityTraitCausesPageTurn),
}), UIAccessibilityTraitNone, unsignedLongLongValue)
@end
@implementation RCTViewManager
@synthesize bridge = _bridge;
RCT_EXPORT_MODULE()
- (dispatch_queue_t)methodQueue
{
return _bridge.uiManager.methodQueue;
}
- (UIView *)view
{
return [RCTView new];
}
- (RCTShadowView *)shadowView
{
return [RCTShadowView new];
}
- (NSArray *)customBubblingEventTypes
{
return @[
// Generic events
@"press",
@"change",
@"change",
@"focus",
@"blur",
@"submitEditing",
@"endEditing",
// Touch events
@"touchStart",
@"touchMove",
@"touchCancel",
@"touchEnd",
];
}
- (NSArray *)customDirectEventTypes
{
return @[
@"layout",
@"accessibilityTap",
@"magicTap",
];
}
- (NSDictionary *)constantsToExport
{
return nil;
}
- (RCTViewManagerUIBlock)uiBlockToAmendWithShadowView:(__unused RCTShadowView *)shadowView
{
return nil;
}
- (RCTViewManagerUIBlock)uiBlockToAmendWithShadowViewRegistry:(__unused RCTSparseArray *)shadowViewRegistry
{
return nil;
}
#pragma mark - View properties
RCT_EXPORT_VIEW_PROPERTY(accessibilityLabel, NSString)
RCT_EXPORT_VIEW_PROPERTY(accessibilityTraits, UIAccessibilityTraits)
RCT_EXPORT_VIEW_PROPERTY(backgroundColor, UIColor)
RCT_REMAP_VIEW_PROPERTY(accessible, isAccessibilityElement, BOOL)
RCT_REMAP_VIEW_PROPERTY(testID, accessibilityIdentifier, NSString)
RCT_REMAP_VIEW_PROPERTY(backfaceVisibility, layer.doubleSided, css_backface_visibility_t)
RCT_REMAP_VIEW_PROPERTY(opacity, alpha, CGFloat)
RCT_REMAP_VIEW_PROPERTY(shadowColor, layer.shadowColor, CGColor);
RCT_REMAP_VIEW_PROPERTY(shadowOffset, layer.shadowOffset, CGSize);
RCT_REMAP_VIEW_PROPERTY(shadowOpacity, layer.shadowOpacity, float)
RCT_REMAP_VIEW_PROPERTY(shadowRadius, layer.shadowRadius, CGFloat)
RCT_REMAP_VIEW_PROPERTY(overflow, clipsToBounds, css_clip_t)
RCT_CUSTOM_VIEW_PROPERTY(shouldRasterizeIOS, BOOL, RCTView)
{
view.layer.shouldRasterize = json ? [RCTConvert BOOL:json] : defaultView.layer.shouldRasterize;
view.layer.rasterizationScale = view.layer.shouldRasterize ? [UIScreen mainScreen].scale : defaultView.layer.rasterizationScale;
}
RCT_CUSTOM_VIEW_PROPERTY(transformMatrix, CATransform3D, RCTView)
{
view.layer.transform = json ? [RCTConvert CATransform3D:json] : defaultView.layer.transform;
// TODO: Improve this by enabling edge antialiasing only for transforms with rotation or skewing
view.layer.allowsEdgeAntialiasing = !CATransform3DIsIdentity(view.layer.transform);
}
RCT_CUSTOM_VIEW_PROPERTY(pointerEvents, RCTPointerEvents, RCTView)
{
if ([view respondsToSelector:@selector(setPointerEvents:)]) {
view.pointerEvents = json ? [RCTConvert RCTPointerEvents:json] : defaultView.pointerEvents;
return;
}
if (!json) {
view.userInteractionEnabled = defaultView.userInteractionEnabled;
return;
}
switch ([RCTConvert RCTPointerEvents:json]) {
case RCTPointerEventsUnspecified:
// Pointer events "unspecified" acts as if a stylesheet had not specified,
// which is different than "auto" in CSS (which cannot and will not be
// supported in `React`. "auto" may override a parent's "none".
// Unspecified values do not.
// This wouldn't override a container view's `userInteractionEnabled = NO`
view.userInteractionEnabled = YES;
case RCTPointerEventsNone:
view.userInteractionEnabled = NO;
break;
default:
RCTLogError(@"UIView base class does not support pointerEvent value: %@", json);
}
}
RCT_CUSTOM_VIEW_PROPERTY(removeClippedSubviews, BOOL, RCTView)
{
if ([view respondsToSelector:@selector(setRemoveClippedSubviews:)]) {
view.removeClippedSubviews = json ? [RCTConvert BOOL:json] : defaultView.removeClippedSubviews;
}
}
RCT_CUSTOM_VIEW_PROPERTY(borderRadius, CGFloat, RCTView) {
if ([view respondsToSelector:@selector(setBorderRadius:)]) {
view.borderRadius = json ? [RCTConvert CGFloat:json] : defaultView.borderRadius;
} else {
view.layer.cornerRadius = json ? [RCTConvert CGFloat:json] : defaultView.layer.cornerRadius;
}
}
RCT_CUSTOM_VIEW_PROPERTY(borderColor, CGColor, RCTView)
{
if ([view respondsToSelector:@selector(setBorderColor:)]) {
view.borderColor = json ? [RCTConvert CGColor:json] : defaultView.borderColor;
} else {
view.layer.borderColor = json ? [RCTConvert CGColor:json] : defaultView.layer.borderColor;
}
}
RCT_CUSTOM_VIEW_PROPERTY(borderWidth, CGFloat, RCTView)
{
if ([view respondsToSelector:@selector(setBorderWidth:)]) {
view.borderWidth = json ? [RCTConvert CGFloat:json] : defaultView.borderWidth;
} else {
view.layer.borderWidth = json ? [RCTConvert CGFloat:json] : defaultView.layer.borderWidth;
}
}
RCT_CUSTOM_VIEW_PROPERTY(onAccessibilityTap, BOOL, __unused RCTView)
{
view.accessibilityTapHandler = [self eventHandlerWithName:@"accessibilityTap" json:json];
}
RCT_CUSTOM_VIEW_PROPERTY(onMagicTap, BOOL, __unused RCTView)
{
view.magicTapHandler = [self eventHandlerWithName:@"magicTap" json:json];
}
- (RCTViewEventHandler)eventHandlerWithName:(NSString *)eventName json:(id)json
{
RCTViewEventHandler handler = nil;
if ([RCTConvert BOOL:json]) {
__weak RCTViewManager *weakSelf = self;
handler = ^(RCTView *tappedView) {
NSDictionary *body = @{ @"target": tappedView.reactTag };
[weakSelf.bridge.eventDispatcher sendInputEventWithName:eventName body:body];
};
}
return handler;
}
#define RCT_VIEW_BORDER_PROPERTY(SIDE) \
RCT_CUSTOM_VIEW_PROPERTY(border##SIDE##Width, CGFloat, RCTView) \
{ \
if ([view respondsToSelector:@selector(setBorder##SIDE##Width:)]) { \
view.border##SIDE##Width = json ? [RCTConvert CGFloat:json] : defaultView.border##SIDE##Width; \
} \
} \
RCT_CUSTOM_VIEW_PROPERTY(border##SIDE##Color, UIColor, RCTView) \
{ \
if ([view respondsToSelector:@selector(setBorder##SIDE##Color:)]) { \
view.border##SIDE##Color = json ? [RCTConvert CGColor:json] : defaultView.border##SIDE##Color; \
} \
}
RCT_VIEW_BORDER_PROPERTY(Top)
RCT_VIEW_BORDER_PROPERTY(Right)
RCT_VIEW_BORDER_PROPERTY(Bottom)
RCT_VIEW_BORDER_PROPERTY(Left)
#define RCT_VIEW_BORDER_RADIUS_PROPERTY(SIDE) \
RCT_CUSTOM_VIEW_PROPERTY(border##SIDE##Radius, CGFloat, RCTView) \
{ \
if ([view respondsToSelector:@selector(setBorder##SIDE##Radius:)]) { \
view.border##SIDE##Radius = json ? [RCTConvert CGFloat:json] : defaultView.border##SIDE##Radius; \
} \
} \
RCT_VIEW_BORDER_RADIUS_PROPERTY(TopLeft)
RCT_VIEW_BORDER_RADIUS_PROPERTY(TopRight)
RCT_VIEW_BORDER_RADIUS_PROPERTY(BottomLeft)
RCT_VIEW_BORDER_RADIUS_PROPERTY(BottomRight)
#pragma mark - ShadowView properties
RCT_EXPORT_SHADOW_PROPERTY(backgroundColor, UIColor)
RCT_EXPORT_SHADOW_PROPERTY(top, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(right, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(bottom, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(left, CGFloat);
RCT_EXPORT_SHADOW_PROPERTY(width, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(height, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(borderTopWidth, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(borderRightWidth, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(borderBottomWidth, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(borderLeftWidth, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(borderWidth, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginTop, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginRight, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginBottom, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginLeft, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginVertical, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(marginHorizontal, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(margin, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingTop, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingRight, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingBottom, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingLeft, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingVertical, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(paddingHorizontal, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(padding, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(flex, CGFloat)
RCT_EXPORT_SHADOW_PROPERTY(flexDirection, css_flex_direction_t)
RCT_EXPORT_SHADOW_PROPERTY(flexWrap, css_wrap_type_t)
RCT_EXPORT_SHADOW_PROPERTY(justifyContent, css_justify_t)
RCT_EXPORT_SHADOW_PROPERTY(alignItems, css_align_t)
RCT_EXPORT_SHADOW_PROPERTY(alignSelf, css_align_t)
RCT_EXPORT_SHADOW_PROPERTY(position, css_position_type_t)
RCT_EXPORT_SHADOW_PROPERTY(onLayout, BOOL)
@end