109 lines
3.3 KiB
Objective-C
109 lines
3.3 KiB
Objective-C
#import "CsZBar.h"
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#pragma mark - State
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@interface CsZBar ()
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@property bool scanInProgress;
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@property NSString *scanCallbackId;
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@property ZBarReaderViewController *scanReader;
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@end
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#pragma mark - Synthesize
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@implementation CsZBar
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@synthesize scanInProgress;
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@synthesize scanCallbackId;
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@synthesize scanReader;
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#pragma mark - Cordova Plugin
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- (void)pluginInitialize
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{
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self.scanInProgress = NO;
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}
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#pragma mark - Plugin API
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- (void)scan: (CDVInvokedUrlCommand*)command;
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{
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if(self.scanInProgress) {
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[self.commandDelegate
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sendPluginResult: [CDVPluginResult
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resultWithStatus: CDVCommandStatus_ERROR
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messageAsString:@"A scan is already in progress."]
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callbackId: [command callbackId]];
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} else {
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self.scanInProgress = YES;
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self.scanCallbackId = [command callbackId];
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self.scanReader = [ZBarReaderViewController new];
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self.scanReader.readerDelegate = self;
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self.scanReader.supportedOrientationsMask = ZBarOrientationMaskAll;
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// Get user parameters
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NSDictionary *params = (NSDictionary*) [command argumentAtIndex:0];
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NSString * camera = [params objectForKey:@"camera"];
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if([camera isEqualToString:@"front"]) {
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// We do not set any specific device for the default "back" setting,
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// as not all devices will have a rear-facing camera.
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self.scanReader.cameraDevice = UIImagePickerControllerCameraDeviceFront;
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}
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// Hack to hide the bottom bar's Info button... http://stackoverflow.com/a/16353530
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UIView *infoButton = [[[[[self.scanReader.view.subviews objectAtIndex:1] subviews] objectAtIndex:0] subviews] objectAtIndex:3];
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[infoButton setHidden:YES];
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[self.viewController presentModalViewController: self.scanReader animated: YES];
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}
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}
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#pragma mark - Helpers
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- (void)sendScanResult: (CDVPluginResult*)result
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{
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[self.commandDelegate sendPluginResult: result callbackId: self.scanCallbackId];
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}
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#pragma mark - ZBarReaderDelegate
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- (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary*)info
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{
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id<NSFastEnumeration> results = [info objectForKey: ZBarReaderControllerResults];
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ZBarSymbol *symbol = nil;
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for(symbol in results) break; // get the first result
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[self.scanReader dismissModalViewControllerAnimated: YES];
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self.scanInProgress = NO;
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[self sendScanResult: [CDVPluginResult
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resultWithStatus: CDVCommandStatus_OK
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messageAsString: symbol.data]];
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}
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- (void) imagePickerControllerDidCancel:(UIImagePickerController*)picker
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{
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[self.scanReader dismissModalViewControllerAnimated: YES];
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self.scanInProgress = NO;
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[self sendScanResult: [CDVPluginResult
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resultWithStatus: CDVCommandStatus_ERROR
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messageAsString: @"cancelled"]];
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}
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- (void) readerControllerDidFailToRead:(ZBarReaderController*)reader withRetry:(BOOL)retry
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{
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[self.scanReader dismissModalViewControllerAnimated: YES];
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self.scanInProgress = NO;
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[self sendScanResult: [CDVPluginResult
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resultWithStatus: CDVCommandStatus_ERROR
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messageAsString: @"Failed"]];
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}
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@end
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