react-native/Libraries/ActionSheetIOS/RCTActionSheetManager.m

143 lines
4.5 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 "RCTActionSheetManager.h"
#import "RCTLog.h"
@interface RCTActionSheetManager() <UIActionSheetDelegate>
@end
@implementation RCTActionSheetManager {
NSMutableDictionary *_callbacks;
}
- (instancetype)init
{
if ((self = [super init])) {
_callbacks = [[NSMutableDictionary alloc] init];
}
return self;
}
- (void)showActionSheetWithOptions:(NSDictionary *)options
failureCallback:(RCTResponseSenderBlock)failureCallback
successCallback:(RCTResponseSenderBlock)successCallback
{
RCT_EXPORT();
dispatch_async(dispatch_get_main_queue(), ^{
UIActionSheet *actionSheet = [[UIActionSheet alloc] init];
actionSheet.title = options[@"title"];
for (NSString *option in options[@"options"]) {
[actionSheet addButtonWithTitle:option];
}
if (options[@"destructiveButtonIndex"]) {
actionSheet.destructiveButtonIndex = [options[@"destructiveButtonIndex"] integerValue];
}
if (options[@"cancelButtonIndex"]) {
actionSheet.cancelButtonIndex = [options[@"cancelButtonIndex"] integerValue];
}
actionSheet.delegate = self;
_callbacks[keyForInstance(actionSheet)] = successCallback;
UIWindow *appWindow = [[[UIApplication sharedApplication] delegate] window];
if (appWindow == nil) {
RCTLogError(@"Tried to display action sheet but there is no application window. options: %@", options);
return;
}
[actionSheet showInView:appWindow];
});
}
- (void)showShareActionSheetWithOptions:(NSDictionary *)options
failureCallback:(RCTResponseSenderBlock)failureCallback
successCallback:(RCTResponseSenderBlock)successCallback
{
RCT_EXPORT();
dispatch_async(dispatch_get_main_queue(), ^{
NSMutableArray *items = [NSMutableArray array];
id message = options[@"message"];
id url = options[@"url"];
if ([message isKindOfClass:[NSString class]]) {
[items addObject:message];
}
if ([url isKindOfClass:[NSString class]]) {
[items addObject:[NSURL URLWithString:url]];
}
if ([items count] == 0) {
failureCallback(@[@"No `url` or `message` to share"]);
return;
}
UIActivityViewController *share = [[UIActivityViewController alloc] initWithActivityItems:items applicationActivities:nil];
UIViewController *ctrl = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
if ([share respondsToSelector:@selector(setCompletionWithItemsHandler:)]) {
share.completionWithItemsHandler = ^(NSString *activityType, BOOL completed, NSArray *returnedItems, NSError *activityError) {
if (activityError) {
failureCallback(@[[activityError localizedDescription]]);
} else {
successCallback(@[@(completed), (activityType ?: [NSNull null])]);
}
};
} else {
#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_8_0
if (![UIActivityViewController instancesRespondToSelector:@selector(completionWithItemsHandler)]) {
// Legacy iOS 7 implementation
share.completionHandler = ^(NSString *activityType, BOOL completed) {
successCallback(@[@(completed), (activityType ?: [NSNull null])]);
};
} else
#endif
{
// iOS 8 version
share.completionWithItemsHandler = ^(NSString *activityType, BOOL completed, NSArray *returnedItems, NSError *activityError) {
successCallback(@[@(completed), (activityType ?: [NSNull null])]);
};
}
}
[ctrl presentViewController:share animated:YES completion:nil];
});
}
#pragma mark UIActionSheetDelegate Methods
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
NSString *key = keyForInstance(actionSheet);
RCTResponseSenderBlock callback = _callbacks[key];
if (callback) {
callback(@[@(buttonIndex)]);
[_callbacks removeObjectForKey:key];
} else {
RCTLogWarn(@"No callback registered for action sheet: %@", actionSheet.title);
}
[[[[UIApplication sharedApplication] delegate] window] makeKeyWindow];
}
#pragma mark Private
static NSString *keyForInstance(id instance)
{
return [NSString stringWithFormat:@"%p", instance];
}
@end