react-native/Libraries/ActionSheetIOS/RCTActionSheetManager.m

205 lines
7.0 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 "RCTConvert.h"
#import "RCTLog.h"
#import "RCTUtils.h"
#import "RCTBridge.h"
#import "RCTUIManager.h"
@interface RCTActionSheetManager () <UIActionSheetDelegate>
@end
@implementation RCTActionSheetManager
{
// Use NSMapTable, as UIAlertViews do not implement <NSCopying>
// which is required for NSDictionary keys
NSMapTable *_callbacks;
}
RCT_EXPORT_MODULE()
@synthesize bridge = _bridge;
- (dispatch_queue_t)methodQueue
{
return dispatch_get_main_queue();
}
/*
* The `anchor` option takes a view to set as the anchor for the share
* popup to point to, on iPads running iOS 8. If it is not passed, it
* defaults to centering the share popup on screen without any arrows.
*/
- (CGRect)sourceRectInView:(UIView *)sourceView
anchorViewTag:(NSNumber *)anchorViewTag
{
if (anchorViewTag) {
UIView *anchorView = [self.bridge.uiManager viewForReactTag:anchorViewTag];
return [anchorView convertRect:anchorView.bounds toView:sourceView];
} else {
return (CGRect){sourceView.center, {1, 1}};
}
}
RCT_EXPORT_METHOD(showActionSheetWithOptions:(NSDictionary *)options
callback:(RCTResponseSenderBlock)callback)
{
if (RCTRunningInAppExtension()) {
RCTLogError(@"Unable to show action sheet from app extension");
return;
}
if (!_callbacks) {
_callbacks = [NSMapTable strongToStrongObjectsMapTable];
}
NSString *title = [RCTConvert NSString:options[@"title"]];
NSString *message = [RCTConvert NSString:options[@"message"]];
NSArray<NSString *> *buttons = [RCTConvert NSStringArray:options[@"options"]];
NSInteger destructiveButtonIndex = options[@"destructiveButtonIndex"] ? [RCTConvert NSInteger:options[@"destructiveButtonIndex"]] : -1;
NSInteger cancelButtonIndex = options[@"cancelButtonIndex"] ? [RCTConvert NSInteger:options[@"cancelButtonIndex"]] : -1;
UIViewController *controller = RCTPresentedViewController();
if (controller == nil) {
RCTLogError(@"Tried to display action sheet but there is no application window. options: %@", options);
return;
}
/*
* The `anchor` option takes a view to set as the anchor for the share
* popup to point to, on iPads running iOS 8. If it is not passed, it
* defaults to centering the share popup on screen without any arrows.
*/
NSNumber *anchorViewTag = [RCTConvert NSNumber:options[@"anchor"]];
UIView *sourceView = controller.view;
CGRect sourceRect = [self sourceRectInView:sourceView anchorViewTag:anchorViewTag];
UIAlertController *alertController =
[UIAlertController alertControllerWithTitle:title
message:message
preferredStyle:UIAlertControllerStyleActionSheet];
NSInteger index = 0;
for (NSString *option in buttons) {
UIAlertActionStyle style = UIAlertActionStyleDefault;
if (index == destructiveButtonIndex) {
style = UIAlertActionStyleDestructive;
} else if (index == cancelButtonIndex) {
style = UIAlertActionStyleCancel;
}
NSInteger localIndex = index;
[alertController addAction:[UIAlertAction actionWithTitle:option
style:style
handler:^(__unused UIAlertAction *action){
callback(@[@(localIndex)]);
}]];
index++;
}
alertController.modalPresentationStyle = UIModalPresentationPopover;
alertController.popoverPresentationController.sourceView = sourceView;
alertController.popoverPresentationController.sourceRect = sourceRect;
if (!anchorViewTag) {
alertController.popoverPresentationController.permittedArrowDirections = 0;
}
[controller presentViewController:alertController animated:YES completion:nil];
alertController.view.tintColor = [RCTConvert UIColor:options[@"tintColor"]];
}
RCT_EXPORT_METHOD(showShareActionSheetWithOptions:(NSDictionary *)options
failureCallback:(RCTResponseErrorBlock)failureCallback
successCallback:(RCTResponseSenderBlock)successCallback)
{
if (RCTRunningInAppExtension()) {
RCTLogError(@"Unable to show action sheet from app extension");
return;
}
NSMutableArray<id> *items = [NSMutableArray array];
NSString *message = [RCTConvert NSString:options[@"message"]];
if (message) {
[items addObject:message];
}
NSURL *URL = [RCTConvert NSURL:options[@"url"]];
if (URL) {
if ([URL.scheme.lowercaseString isEqualToString:@"data"]) {
NSError *error;
NSData *data = [NSData dataWithContentsOfURL:URL
options:(NSDataReadingOptions)0
error:&error];
if (!data) {
failureCallback(error);
return;
}
[items addObject:data];
} else {
[items addObject:URL];
}
}
if (items.count == 0) {
RCTLogError(@"No `url` or `message` to share");
return;
}
UIActivityViewController *shareController = [[UIActivityViewController alloc] initWithActivityItems:items applicationActivities:nil];
NSString *subject = [RCTConvert NSString:options[@"subject"]];
if (subject) {
[shareController setValue:subject forKey:@"subject"];
}
NSArray *excludedActivityTypes = [RCTConvert NSStringArray:options[@"excludedActivityTypes"]];
if (excludedActivityTypes) {
shareController.excludedActivityTypes = excludedActivityTypes;
}
UIViewController *controller = RCTPresentedViewController();
shareController.completionWithItemsHandler = ^(NSString *activityType, BOOL completed, __unused NSArray *returnedItems, NSError *activityError) {
if (activityError) {
failureCallback(activityError);
} else {
successCallback(@[@(completed), RCTNullIfNil(activityType)]);
}
};
shareController.modalPresentationStyle = UIModalPresentationPopover;
NSNumber *anchorViewTag = [RCTConvert NSNumber:options[@"anchor"]];
if (!anchorViewTag) {
shareController.popoverPresentationController.permittedArrowDirections = 0;
}
shareController.popoverPresentationController.sourceView = controller.view;
shareController.popoverPresentationController.sourceRect = [self sourceRectInView:controller.view anchorViewTag:anchorViewTag];
[controller presentViewController:shareController animated:YES completion:nil];
shareController.view.tintColor = [RCTConvert UIColor:options[@"tintColor"]];
}
#pragma mark UIActionSheetDelegate Methods
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
RCTResponseSenderBlock callback = [_callbacks objectForKey:actionSheet];
if (callback) {
callback(@[@(buttonIndex)]);
[_callbacks removeObjectForKey:actionSheet];
} else {
RCTLogWarn(@"No callback registered for action sheet: %@", actionSheet.title);
}
}
@end