| // 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" |
| |
| @implementation FLTSavePhotoDelegate |
| |
| - (instancetype)initWithPath:(NSString *)path |
| result:(FLTThreadSafeFlutterResult *)result |
| ioQueue:(dispatch_queue_t)ioQueue { |
| self = [super init]; |
| NSAssert(self, @"super init cannot be nil"); |
| _path = path; |
| _selfReference = self; |
| _result = result; |
| _ioQueue = ioQueue; |
| return self; |
| } |
| |
| - (void)handlePhotoCaptureResultWithError:(NSError *)error |
| photoDataProvider:(NSData * (^)(void))photoDataProvider { |
| self.selfReference = nil; |
| if (error) { |
| [self.result sendError:error]; |
| return; |
| } |
| dispatch_async(self.ioQueue, ^{ |
| NSData *data = photoDataProvider(); |
| NSError *ioError; |
| if ([data writeToFile:self.path options:NSDataWritingAtomic error:&ioError]) { |
| [self.result sendSuccessWithData:self.path]; |
| } else { |
| [self.result sendErrorWithCode:@"IOError" |
| message:@"Unable to write file" |
| details:ioError.localizedDescription]; |
| } |
| }); |
| } |
| |
| - (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]; |
| }]; |
| } |
| |
| - (void)captureOutput:(AVCapturePhotoOutput *)output |
| didFinishProcessingPhoto:(AVCapturePhoto *)photo |
| error:(NSError *)error API_AVAILABLE(ios(11.0)) { |
| [self handlePhotoCaptureResultWithError:error |
| photoDataProvider:^NSData * { |
| return [photo fileDataRepresentation]; |
| }]; |
| } |
| |
| @end |
