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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/React/Base
Просмотр файла: RCTRootView.m
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTRootView.h"
#import "RCTRootViewDelegate.h"
#import "RCTRootViewInternal.h"
#import <objc/runtime.h>
#import "RCTAssert.h"
#import "RCTBridge+Private.h"
#import "RCTBridge.h"
#import "RCTConstants.h"
#import "RCTKeyCommands.h"
#import "RCTLog.h"
#import "RCTPerformanceLogger.h"
#import "RCTProfile.h"
#import "RCTRootContentView.h"
#import "RCTRootShadowView.h"
#import "RCTTouchHandler.h"
#import "RCTUIManager.h"
#import "RCTUIManagerUtils.h"
#import "RCTUtils.h"
#import "RCTView.h"
#import "UIView+React.h"
NSString *const RCTContentDidAppearNotification = @"RCTContentDidAppearNotification";
#ifndef RCT_FIT_RM_OLD_RUNTIME
@implementation RCTRootView {
RCTBridge *_bridge;
NSString *_moduleName;
RCTRootContentView *_contentView;
BOOL _passThroughTouches;
CGSize _intrinsicContentSize;
}
- (instancetype)initWithFrame:(CGRect)frame
bridge:(RCTBridge *)bridge
moduleName:(NSString *)moduleName
initialProperties:(NSDictionary *)initialProperties
{
RCTAssertMainQueue();
RCTAssert(bridge, @"A bridge instance is required to create an RCTRootView");
RCTAssert(moduleName, @"A moduleName is required to create an RCTRootView");
RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways, @"-[RCTRootView init]", nil);
if (!bridge.isLoading) {
[bridge.performanceLogger markStartForTag:RCTPLTTI];
}
if (self = [super initWithFrame:frame]) {
self.backgroundColor = [UIColor whiteColor];
_bridge = bridge;
_moduleName = moduleName;
_appProperties = [initialProperties copy];
_loadingViewFadeDelay = 0.25;
_loadingViewFadeDuration = 0.25;
_sizeFlexibility = RCTRootViewSizeFlexibilityNone;
_minimumSize = CGSizeZero;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(bridgeDidReload)
name:RCTJavaScriptWillStartLoadingNotification
object:_bridge];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(javaScriptDidLoad:)
name:RCTJavaScriptDidLoadNotification
object:_bridge];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(hideLoadingView)
name:RCTContentDidAppearNotification
object:self];
[self showLoadingView];
// Immediately schedule the application to be started.
// (Sometimes actual `_bridge` is already batched bridge here.)
[self bundleFinishedLoading:([_bridge batchedBridge] ?: _bridge)];
}
RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
return self;
}
- (instancetype)initWithBridge:(RCTBridge *)bridge
moduleName:(NSString *)moduleName
initialProperties:(NSDictionary *)initialProperties
{
return [self initWithFrame:CGRectZero bridge:bridge moduleName:moduleName initialProperties:initialProperties];
}
- (instancetype)initWithBundleURL:(NSURL *)bundleURL
moduleName:(NSString *)moduleName
initialProperties:(NSDictionary *)initialProperties
launchOptions:(NSDictionary *)launchOptions
{
RCTBridge *bridge = [[RCTBridge alloc] initWithBundleURL:bundleURL moduleProvider:nil launchOptions:launchOptions];
return [self initWithBridge:bridge moduleName:moduleName initialProperties:initialProperties];
}
RCT_NOT_IMPLEMENTED(-(instancetype)initWithFrame : (CGRect)frame)
RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder : (NSCoder *)aDecoder)
- (UIView *)view
{
return self;
}
#pragma mark - passThroughTouches
- (BOOL)passThroughTouches
{
return _contentView.passThroughTouches;
}
- (void)setPassThroughTouches:(BOOL)passThroughTouches
{
_passThroughTouches = passThroughTouches;
_contentView.passThroughTouches = passThroughTouches;
}
#pragma mark - Layout
- (CGSize)sizeThatFits:(CGSize)size
{
CGSize fitSize = _intrinsicContentSize;
CGSize currentSize = self.bounds.size;
// Following the current `size` and current `sizeFlexibility` policy.
fitSize = CGSizeMake(
_sizeFlexibility & RCTRootViewSizeFlexibilityWidth ? fitSize.width : currentSize.width,
_sizeFlexibility & RCTRootViewSizeFlexibilityHeight ? fitSize.height : currentSize.height);
// Following the given size constraints.
fitSize = CGSizeMake(MIN(size.width, fitSize.width), MIN(size.height, fitSize.height));
return fitSize;
}
- (void)layoutSubviews
{
[super layoutSubviews];
_contentView.frame = self.bounds;
_loadingView.center = (CGPoint){CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds)};
}
- (void)setMinimumSize:(CGSize)minimumSize
{
if (CGSizeEqualToSize(_minimumSize, minimumSize)) {
return;
}
_minimumSize = minimumSize;
__block NSNumber *tag = self.reactTag;
__weak typeof(self) weakSelf = self;
RCTExecuteOnUIManagerQueue(^{
__strong typeof(self) strongSelf = weakSelf;
if (strongSelf && strongSelf->_bridge.isValid) {
RCTRootShadowView *shadowView = (RCTRootShadowView *)[strongSelf->_bridge.uiManager shadowViewForReactTag:tag];
shadowView.minimumSize = minimumSize;
}
});
}
- (UIViewController *)reactViewController
{
return _reactViewController ?: [super reactViewController];
}
- (BOOL)canBecomeFirstResponder
{
return YES;
}
- (void)setLoadingView:(UIView *)loadingView
{
_loadingView = loadingView;
if (!_contentView.contentHasAppeared) {
[self showLoadingView];
}
}
- (void)showLoadingView
{
if (_loadingView && !_contentView.contentHasAppeared) {
_loadingView.hidden = NO;
[self addSubview:_loadingView];
}
}
- (void)hideLoadingView
{
if (_loadingView.superview == self && _contentView.contentHasAppeared) {
if (_loadingViewFadeDuration > 0) {
dispatch_after(
dispatch_time(DISPATCH_TIME_NOW, (int64_t)(_loadingViewFadeDelay * NSEC_PER_SEC)),
dispatch_get_main_queue(),
^{
[UIView transitionWithView:self
duration:self->_loadingViewFadeDuration
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
self->_loadingView.hidden = YES;
}
completion:^(__unused BOOL finished) {
[self->_loadingView removeFromSuperview];
}];
});
} else {
_loadingView.hidden = YES;
[_loadingView removeFromSuperview];
}
}
}
- (NSNumber *)reactTag
{
RCTAssertMainQueue();
if (!super.reactTag) {
/**
* Every root view that is created must have a unique react tag.
* Numbering of these tags goes from 1, 11, 21, 31, etc
*
* NOTE: Since the bridge persists, the RootViews might be reused, so the
* react tag must be re-assigned every time a new UIManager is created.
*/
self.reactTag = RCTAllocateRootViewTag();
}
return super.reactTag;
}
- (void)bridgeDidReload
{
RCTAssertMainQueue();
// Clear the reactTag so it can be re-assigned
self.reactTag = nil;
}
- (void)javaScriptDidLoad:(NSNotification *)notification
{
RCTAssertMainQueue();
// Use the (batched) bridge that's sent in the notification payload, so the
// RCTRootContentView is scoped to the right bridge
RCTBridge *bridge = notification.userInfo[@"bridge"];
if (bridge != _contentView.bridge) {
[self bundleFinishedLoading:bridge];
}
}
- (void)bundleFinishedLoading:(RCTBridge *)bridge
{
RCTAssert(bridge != nil, @"Bridge cannot be nil");
if (!bridge.valid) {
return;
}
[_contentView removeFromSuperview];
_contentView = [[RCTRootContentView alloc] initWithFrame:self.bounds
bridge:bridge
reactTag:self.reactTag
sizeFlexibility:_sizeFlexibility];
[self runApplication:bridge];
_contentView.passThroughTouches = _passThroughTouches;
[self insertSubview:_contentView atIndex:0];
if (_sizeFlexibility == RCTRootViewSizeFlexibilityNone) {
self.intrinsicContentSize = self.bounds.size;
}
}
- (void)runApplication:(RCTBridge *)bridge
{
NSString *moduleName = _moduleName ?: @"";
NSDictionary *appParameters = @{
@"rootTag" : _contentView.reactTag,
@"initialProps" : _appProperties ?: @{},
};
RCTLogInfo(@"Running application %@ (%@)", moduleName, appParameters);
[bridge enqueueJSCall:@"AppRegistry" method:@"runApplication" args:@[ moduleName, appParameters ] completion:NULL];
}
- (void)setSizeFlexibility:(RCTRootViewSizeFlexibility)sizeFlexibility
{
if (_sizeFlexibility == sizeFlexibility) {
return;
}
_sizeFlexibility = sizeFlexibility;
[self setNeedsLayout];
_contentView.sizeFlexibility = _sizeFlexibility;
}
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
// The root view itself should never receive touches
UIView *hitView = [super hitTest:point withEvent:event];
if (self.passThroughTouches && hitView == self) {
return nil;
}
return hitView;
}
- (void)setAppProperties:(NSDictionary *)appProperties
{
RCTAssertMainQueue();
if ([_appProperties isEqualToDictionary:appProperties]) {
return;
}
_appProperties = [appProperties copy];
if (_contentView && _bridge.valid && !_bridge.loading) {
[self runApplication:_bridge];
}
}
- (void)setIntrinsicContentSize:(CGSize)intrinsicContentSize
{
BOOL oldSizeHasAZeroDimension = _intrinsicContentSize.height == 0 || _intrinsicContentSize.width == 0;
BOOL newSizeHasAZeroDimension = intrinsicContentSize.height == 0 || intrinsicContentSize.width == 0;
BOOL bothSizesHaveAZeroDimension = oldSizeHasAZeroDimension && newSizeHasAZeroDimension;
BOOL sizesAreEqual = CGSizeEqualToSize(_intrinsicContentSize, intrinsicContentSize);
_intrinsicContentSize = intrinsicContentSize;
// Don't notify the delegate if the content remains invisible or its size has not changed
if (bothSizesHaveAZeroDimension || sizesAreEqual) {
return;
}
[self invalidateIntrinsicContentSize];
[self.superview setNeedsLayout];
[_delegate rootViewDidChangeIntrinsicSize:self];
}
- (CGSize)intrinsicContentSize
{
return _intrinsicContentSize;
}
- (void)contentViewInvalidated
{
[_contentView removeFromSuperview];
_contentView = nil;
[self showLoadingView];
}
- (void)traitCollectionDidChange:(UITraitCollection *)previousTraitCollection
{
[super traitCollectionDidChange:previousTraitCollection];
if (RCTSharedApplication().applicationState == UIApplicationStateBackground) {
return;
}
[[NSNotificationCenter defaultCenter]
postNotificationName:RCTUserInterfaceStyleDidChangeNotification
object:self
userInfo:@{
RCTUserInterfaceStyleDidChangeNotificationTraitCollectionKey : self.traitCollection,
}];
}
- (void)dealloc
{
[_contentView invalidate];
}
@end
@implementation RCTRootView (Deprecated)
- (CGSize)intrinsicSize
{
RCTLogWarn(@"Calling deprecated `[-RCTRootView intrinsicSize]`.");
return self.intrinsicContentSize;
}
- (void)cancelTouches
{
RCTLogWarn(@"`-[RCTRootView cancelTouches]` is deprecated and will be deleted soon.");
[[_contentView touchHandler] cancel];
}
@end
#else // RCT_FIT_RM_OLD_RUNTIME
@implementation RCTRootView
- (nonnull instancetype)initWithFrame:(CGRect)frame
bridge:(nonnull RCTBridge *)bridge
moduleName:(nonnull NSString *)moduleName
initialProperties:(nullable NSDictionary *)initialProperties
{
return self;
}
- (nonnull instancetype)initWithBridge:(nonnull RCTBridge *)bridge
moduleName:(nonnull NSString *)moduleName
initialProperties:(nullable NSDictionary *)initialProperties
{
return self;
}
- (nonnull instancetype)initWithBundleURL:(nonnull NSURL *)bundleURL
moduleName:(nonnull NSString *)moduleName
initialProperties:(nullable NSDictionary *)initialProperties
launchOptions:(nullable NSDictionary *)launchOptions
{
return self;
}
@end
#endif // RCT_FIT_RM_OLD_RUNTIME
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