Timer between captures

README.md

@@ -90,6 +90,7 @@ class YourComponent extends Component {
 | useBase64 | `false` | `bool` | If base64 representation should be passed instead of image uri's |
 | saveInAppDocument | `false` | `bool` | If should save in app document in case of not using base 64 |
 | captureMultiple | `false` | `bool` | Keeps the scanner on after a successful capture |
+| timeBetweenCaptures | `5` | `integer` | Time in seconds the camera will not capture after a successful capture (this don't affect manual capture) |
 
 ## Manual capture
 

index.js

@@ -26,6 +26,10 @@ class PdfScanner extends React.Component {
     NativeModules.RNPdfScannerManager.capture();
   }
 
+  componentWillUnmount() {
+    NativeModules.RNPdfScannerManager.stopCamera()
+  }
+
   render() {
     return (
       <RNPdfScanner
@@ -39,6 +43,7 @@ class PdfScanner extends React.Component {
         quality={this.getImageQuality()}
         detectionCountBeforeCapture={this.props.detectionCountBeforeCapture||5}
         detectionRefreshRateInMS={this.props.detectionRefreshRateInMS||50}
+        timeBetweenCaptures={this.props.timeBetweenCaptures||5}
       />
     );
   }
@@ -56,6 +61,7 @@ PdfScanner.propTypes = {
   detectionCountBeforeCapture: PropTypes.number,
   detectionRefreshRateInMS: PropTypes.number,
   quality: PropTypes.number,
+  timeBetweenCaptures: PropTypes.number,
 };
 
 export default PdfScanner;

ios/DocumentScannerView.h

@@ -11,7 +11,10 @@
 @property (nonatomic, assign) BOOL useBase64;
 @property (nonatomic, assign) BOOL captureMultiple;
 @property (nonatomic, assign) BOOL saveInAppDocument;
+@property (copy, nonatomic, getter=getLastCapture, setter=setLastCapture:) NSDate * lastCapture;
+@property (nonatomic, assign) NSInteger timeBetweenCaptures;
 
 - (void) capture;
+- (void) stopCamera;
 
 @end

ios/DocumentScannerView.m

@@ -8,6 +8,7 @@ - (instancetype)init {
     if (self) {
         [self setEnableBorderDetection:YES];
         [self setDelegate: self];
+        [self setLastCapture:[NSDate date]];
     }
 
     return self;
@@ -28,10 +29,16 @@ - (void) didDetectRectangle:(CIRectangleFeature *)rectangle withType:(IPDFRectan
     }
 
     if (self.stableCounter > self.detectionCountBeforeCapture){
+      if ([self.getLastCapture isEqualToDate:[self.getLastCapture earlierDate:[NSDate date]]] ) {
         [self capture];
+      }
     }
 }
 
+- (void) stopCamera {
+  [self stop];
+}
+
 - (void) capture {
     [self captureImageWithCompletionHander:^(UIImage *croppedImage, UIImage *initialImage, CIRectangleFeature *rectangleFeature) {
       if (self.onPictureTaken) {
@@ -58,6 +65,7 @@ - (void) capture {
                                      @"bottomRight": @{ @"y": @(rectangleFeature.topRight.x), @"x": @(rectangleFeature.topRight.y)},
                                      } : [NSNull null];
             if (self.useBase64) {
+              [self setLastCapture:[NSDate dateWithTimeIntervalSinceNow:self.timeBetweenCaptures]];
               self.onPictureTaken(@{
                                     @"croppedImage": [croppedImageData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength],
                                     @"initialImage": [initialImageData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength],
@@ -73,19 +81,18 @@ - (void) capture {
 
               [croppedImageData writeToFile:croppedFilePath atomically:YES];
               [initialImageData writeToFile:initialFilePath atomically:YES];
-
-               self.onPictureTaken(@{
+              [self setLastCapture:[NSDate dateWithTimeIntervalSinceNow:self.timeBetweenCaptures]];
+              self.onPictureTaken(@{
                                      @"croppedImage": croppedFilePath,
                                      @"initialImage": initialFilePath,
                                      @"rectangleCoordinates": rectangleCoordinates });
             }
         }
 
         if (!self.captureMultiple) {
-          [self stop];
+          [self stopCamera];
         }
     }];
-
 }
 
 

ios/RNPdfScannerManager.m

@@ -31,12 +31,17 @@ - (dispatch_queue_t)methodQueue
 RCT_EXPORT_VIEW_PROPERTY(quality, float)
 RCT_EXPORT_VIEW_PROPERTY(brightness, float)
 RCT_EXPORT_VIEW_PROPERTY(contrast, float)
+RCT_EXPORT_VIEW_PROPERTY(timeBetweenCaptures, NSInteger)
 
 RCT_EXPORT_METHOD(capture) {
 
     [_scannerView capture];
 }
 
+RCT_EXPORT_METHOD(stopCamera) {
+    [_scannerView stopCamera];
+}
+
 - (UIView*) view {
     _scannerView = [[DocumentScannerView alloc] init];
     return _scannerView;