| // 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 "FLTSavePhotoDelegate.h" |
| #import "FLTSavePhotoDelegate_Test.h" |
| |
| @interface FLTSavePhotoDelegate () |
| /// The file path for the captured photo. |
| @property(readonly, nonatomic) NSString *path; |
| /// The queue on which captured photos are written to disk. |
| @property(readonly, nonatomic) dispatch_queue_t ioQueue; |
| @end |
| |
| @implementation FLTSavePhotoDelegate |
| |
| - (instancetype)initWithPath:(NSString *)path |
| ioQueue:(dispatch_queue_t)ioQueue |
| completionHandler:(FLTSavePhotoDelegateCompletionHandler)completionHandler { |
| self = [super init]; |
| NSAssert(self, @"super init cannot be nil"); |
| _path = path; |
| _ioQueue = ioQueue; |
| _completionHandler = completionHandler; |
| return self; |
| } |
| |
| - (void)handlePhotoCaptureResultWithError:(NSError *)error |
| photoDataProvider:(NSData * (^)(void))photoDataProvider { |
| if (error) { |
| self.completionHandler(nil, error); |
| return; |
| } |
| __weak typeof(self) weakSelf = self; |
| dispatch_async(self.ioQueue, ^{ |
| typeof(self) strongSelf = weakSelf; |
| if (!strongSelf) return; |
| |
| NSData *data = photoDataProvider(); |
| NSError *ioError; |
| if ([data writeToFile:strongSelf.path options:NSDataWritingAtomic error:&ioError]) { |
| strongSelf.completionHandler(self.path, nil); |
| } else { |
| strongSelf.completionHandler(nil, ioError); |
| } |
| }); |
| } |
| |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wdeprecated-declarations" |
| #pragma clang diagnostic ignored "-Wdeprecated-implementations" |
| - (void)captureOutput:(AVCapturePhotoOutput *)output |
| didFinishProcessingPhotoSampleBuffer:(CMSampleBufferRef)photoSampleBuffer |
| previewPhotoSampleBuffer:(CMSampleBufferRef)previewPhotoSampleBuffer |
| resolvedSettings:(AVCaptureResolvedPhotoSettings *)resolvedSettings |
| bracketSettings:(AVCaptureBracketedStillImageSettings *)bracketSettings |
| error:(NSError *)error API_AVAILABLE(ios(10)) { |
| [self handlePhotoCaptureResultWithError:error |
| photoDataProvider:^NSData * { |
| return [AVCapturePhotoOutput |
| JPEGPhotoDataRepresentationForJPEGSampleBuffer:photoSampleBuffer |
| previewPhotoSampleBuffer: |
| previewPhotoSampleBuffer]; |
| }]; |
| } |
| #pragma clang diagnostic pop |
| |
| - (void)captureOutput:(AVCapturePhotoOutput *)output |
| didFinishProcessingPhoto:(AVCapturePhoto *)photo |
| error:(NSError *)error API_AVAILABLE(ios(11.0)) { |
| [self handlePhotoCaptureResultWithError:error |
| photoDataProvider:^NSData * { |
| return [photo fileDataRepresentation]; |
| }]; |
| } |
| |
| @end |
