mirror of
https://github.com/status-im/react-native.git
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48af214216
Summary: Our events all follow a common pattern, so there's no good reason why the configuration should be so verbose. This diff eliminates that redundancy, and gives us the freedom to simplify the underlying mechanism in future without further churning the call sites.
127 lines
3.8 KiB
Objective-C
127 lines
3.8 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 "RCTScrollViewManager.h"
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#import "RCTBridge.h"
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#import "RCTScrollView.h"
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#import "RCTSparseArray.h"
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#import "RCTUIManager.h"
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@interface RCTScrollView (Private)
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- (NSArray *)calculateChildFramesData;
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@end
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@implementation RCTConvert (UIScrollView)
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RCT_ENUM_CONVERTER(UIScrollViewKeyboardDismissMode, (@{
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@"none": @(UIScrollViewKeyboardDismissModeNone),
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@"on-drag": @(UIScrollViewKeyboardDismissModeOnDrag),
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@"interactive": @(UIScrollViewKeyboardDismissModeInteractive),
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// Backwards compatibility
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@"onDrag": @(UIScrollViewKeyboardDismissModeOnDrag),
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}), UIScrollViewKeyboardDismissModeNone, integerValue)
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@end
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@implementation RCTScrollViewManager
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RCT_EXPORT_MODULE()
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- (UIView *)view
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{
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return [[RCTScrollView alloc] initWithEventDispatcher:self.bridge.eventDispatcher];
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}
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RCT_EXPORT_VIEW_PROPERTY(alwaysBounceHorizontal, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(alwaysBounceVertical, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(bounces, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(bouncesZoom, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(canCancelContentTouches, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(centerContent, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(automaticallyAdjustContentInsets, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(decelerationRate, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(directionalLockEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(keyboardDismissMode, UIScrollViewKeyboardDismissMode)
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RCT_EXPORT_VIEW_PROPERTY(maximumZoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(minimumZoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(pagingEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(scrollEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(scrollsToTop, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(showsHorizontalScrollIndicator, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(showsVerticalScrollIndicator, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(stickyHeaderIndices, NSIndexSet)
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RCT_EXPORT_VIEW_PROPERTY(scrollEventThrottle, NSTimeInterval)
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RCT_EXPORT_VIEW_PROPERTY(zoomScale, CGFloat)
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RCT_EXPORT_VIEW_PROPERTY(contentInset, UIEdgeInsets)
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RCT_EXPORT_VIEW_PROPERTY(scrollIndicatorInsets, UIEdgeInsets)
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RCT_REMAP_VIEW_PROPERTY(contentOffset, scrollView.contentOffset, CGPoint)
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- (NSDictionary *)constantsToExport
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{
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return @{
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// TODO: unused - remove these?
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@"DecelerationRate": @{
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@"normal": @(UIScrollViewDecelerationRateNormal),
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@"fast": @(UIScrollViewDecelerationRateFast),
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},
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};
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}
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RCT_EXPORT_METHOD(getContentSize:(nonnull NSNumber *)reactTag
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callback:(RCTResponseSenderBlock)callback)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, RCTSparseArray *viewRegistry) {
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UIView *view = viewRegistry[reactTag];
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if (!view) {
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RCTLogError(@"Cannot find view with tag #%@", reactTag);
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return;
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}
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CGSize size = ((RCTScrollView *)view).scrollView.contentSize;
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callback(@[@{
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@"width" : @(size.width),
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@"height" : @(size.height)
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}]);
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}];
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}
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RCT_EXPORT_METHOD(calculateChildFrames:(nonnull NSNumber *)reactTag
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callback:(RCTResponseSenderBlock)callback)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, RCTSparseArray *viewRegistry) {
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UIView *view = viewRegistry[reactTag];
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if (!view) {
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RCTLogError(@"Cannot find view with tag #%@", reactTag);
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return;
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}
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NSArray *childFrames = [((RCTScrollView *)view) calculateChildFramesData];
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if (childFrames) {
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callback(@[childFrames]);
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}
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}];
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}
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- (NSArray *)customDirectEventTypes
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{
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return @[
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@"scrollBeginDrag",
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@"scroll",
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@"scrollEndDrag",
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@"scrollAnimationEnd",
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@"momentumScrollBegin",
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@"momentumScrollEnd",
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];
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}
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@end
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