blob: b8a3a7ffa316a1aede862692124e367e90f1f084 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "FLTSharePlugin.h"
static NSString *const PLATFORM_CHANNEL = @"plugins.flutter.io/share";
@interface ShareData : NSObject <UIActivityItemSource>
@property(readonly, nonatomic, copy) NSString *subject;
@property(readonly, nonatomic, copy) NSString *text;
@property(readonly, nonatomic, copy) NSString *path;
@property(readonly, nonatomic, copy) NSString *mimeType;
- (instancetype)initWithSubject:(NSString *)subject text:(NSString *)text NS_DESIGNATED_INITIALIZER;
- (instancetype)initWithFile:(NSString *)path
mimeType:(NSString *)mimeType NS_DESIGNATED_INITIALIZER;
- (instancetype)init __attribute__((unavailable("Use initWithSubject:text: instead")));
@end
@implementation ShareData
- (instancetype)init {
[super doesNotRecognizeSelector:_cmd];
return nil;
}
- (instancetype)initWithSubject:(NSString *)subject text:(NSString *)text {
self = [super init];
if (self) {
_subject = [subject isKindOfClass:NSNull.class] ? @"" : subject;
_text = text;
}
return self;
}
- (instancetype)initWithFile:(NSString *)path mimeType:(NSString *)mimeType {
self = [super init];
if (self) {
_path = path;
_mimeType = mimeType;
}
return self;
}
- (id)activityViewControllerPlaceholderItem:(UIActivityViewController *)activityViewController {
return @"";
}
- (id)activityViewController:(UIActivityViewController *)activityViewController
itemForActivityType:(UIActivityType)activityType {
if (!_path || !_mimeType) {
return _text;
}
if ([_mimeType hasPrefix:@"image/"]) {
UIImage *image = [UIImage imageWithContentsOfFile:_path];
return image;
} else {
NSURL *url = [NSURL fileURLWithPath:_path];
return url;
}
}
- (NSString *)activityViewController:(UIActivityViewController *)activityViewController
subjectForActivityType:(UIActivityType)activityType {
return _subject;
}
- (UIImage *)activityViewController:(UIActivityViewController *)activityViewController
thumbnailImageForActivityType:(UIActivityType)activityType
suggestedSize:(CGSize)suggestedSize {
if (!_path || !_mimeType || ![_mimeType hasPrefix:@"image/"]) {
return nil;
}
UIImage *image = [UIImage imageWithContentsOfFile:_path];
return [self imageWithImage:image scaledToSize:suggestedSize];
}
- (UIImage *)imageWithImage:(UIImage *)image scaledToSize:(CGSize)newSize {
UIGraphicsBeginImageContext(newSize);
[image drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
@end
@implementation FLTSharePlugin
+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
FlutterMethodChannel *shareChannel =
[FlutterMethodChannel methodChannelWithName:PLATFORM_CHANNEL
binaryMessenger:registrar.messenger];
[shareChannel setMethodCallHandler:^(FlutterMethodCall *call, FlutterResult result) {
NSDictionary *arguments = [call arguments];
NSNumber *originX = arguments[@"originX"];
NSNumber *originY = arguments[@"originY"];
NSNumber *originWidth = arguments[@"originWidth"];
NSNumber *originHeight = arguments[@"originHeight"];
CGRect originRect = CGRectZero;
if (originX && originY && originWidth && originHeight) {
originRect = CGRectMake([originX doubleValue], [originY doubleValue],
[originWidth doubleValue], [originHeight doubleValue]);
}
if ([@"share" isEqualToString:call.method]) {
NSString *shareText = arguments[@"text"];
NSString *shareSubject = arguments[@"subject"];
if (shareText.length == 0) {
result([FlutterError errorWithCode:@"error"
message:@"Non-empty text expected"
details:nil]);
return;
}
[self shareText:shareText
subject:shareSubject
withController:[UIApplication sharedApplication].keyWindow.rootViewController
atSource:originRect];
result(nil);
} else if ([@"shareFiles" isEqualToString:call.method]) {
NSArray *paths = arguments[@"paths"];
NSArray *mimeTypes = arguments[@"mimeTypes"];
NSString *subject = arguments[@"subject"];
NSString *text = arguments[@"text"];
if (paths.count == 0) {
result([FlutterError errorWithCode:@"error"
message:@"Non-empty paths expected"
details:nil]);
return;
}
for (NSString *path in paths) {
if (path.length == 0) {
result([FlutterError errorWithCode:@"error"
message:@"Each path must not be empty"
details:nil]);
return;
}
}
[self shareFiles:paths
withMimeType:mimeTypes
withSubject:subject
withText:text
withController:[UIApplication sharedApplication].keyWindow.rootViewController
atSource:originRect];
result(nil);
} else {
result(FlutterMethodNotImplemented);
}
}];
}
+ (void)share:(NSArray *)shareItems
withController:(UIViewController *)controller
atSource:(CGRect)origin {
UIActivityViewController *activityViewController =
[[UIActivityViewController alloc] initWithActivityItems:shareItems applicationActivities:nil];
activityViewController.popoverPresentationController.sourceView = controller.view;
activityViewController.popoverPresentationController.sourceRect = origin;
[controller presentViewController:activityViewController animated:YES completion:nil];
}
+ (void)shareText:(NSString *)shareText
subject:(NSString *)subject
withController:(UIViewController *)controller
atSource:(CGRect)origin {
ShareData *data = [[ShareData alloc] initWithSubject:subject text:shareText];
[self share:@[ data ] withController:controller atSource:origin];
}
+ (void)shareFiles:(NSArray *)paths
withMimeType:(NSArray *)mimeTypes
withSubject:(NSString *)subject
withText:(NSString *)text
withController:(UIViewController *)controller
atSource:(CGRect)origin {
NSMutableArray *items = [[NSMutableArray alloc] init];
if (text || subject) {
[items addObject:[[ShareData alloc] initWithSubject:subject text:text]];
}
for (int i = 0; i < [paths count]; i++) {
NSString *path = paths[i];
NSString *pathExtension = [path pathExtension];
NSString *mimeType = mimeTypes[i];
if ([pathExtension.lowercaseString isEqualToString:@"jpg"] ||
[pathExtension.lowercaseString isEqualToString:@"jpeg"] ||
[pathExtension.lowercaseString isEqualToString:@"png"] ||
[mimeType.lowercaseString isEqualToString:@"image/jpg"] ||
[mimeType.lowercaseString isEqualToString:@"image/jpeg"] ||
[mimeType.lowercaseString isEqualToString:@"image/png"]) {
UIImage *image = [UIImage imageWithContentsOfFile:path];
[items addObject:image];
} else {
[items addObject:[[ShareData alloc] initWithFile:path mimeType:mimeType]];
}
}
[self share:items withController:controller atSource:origin];
}
@end