67 lines
2.7 KiB
Swift
67 lines
2.7 KiB
Swift
/*
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* QRCodeReader.swift
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*
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* Copyright 2014-present Yannick Loriot.
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* http://yannickloriot.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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import AVFoundation
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/**
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This protocol defines delegate methods for objects that implements the `QRCodeReaderDelegate`. The methods of the protocol allow the delegate to be notified when the reader did scan result and or when the user wants to stop to read some QRCodes.
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*/
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public protocol QRCodeReaderViewControllerDelegate: class {
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/**
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Tells the delegate that the reader did scan a code.
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- parameter reader: A code reader object informing the delegate about the scan result.
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- parameter result: The result of the scan
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*/
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func reader(_ reader: QRCodeReaderViewController, didScanResult result: QRCodeReaderResult)
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/**
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Tells the delegate that the camera was switched by the user
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- parameter reader: A code reader object informing the delegate about the scan result.
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- parameter newCaptureDevice: The capture device that was switched to
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*/
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func reader(_ reader: QRCodeReaderViewController, didSwitchCamera newCaptureDevice: AVCaptureDeviceInput)
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/**
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Tells the delegate that the user wants to stop scanning codes.
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- parameter reader: A code reader object informing the delegate about the cancellation.
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*/
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func readerDidCancel(_ reader: QRCodeReaderViewController)
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}
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extension QRCodeReaderViewControllerDelegate {
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/**
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Default implementation that No-Ops this callBack
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- parameter reader: A code reader object informing the delegate about the scan result.
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- parameter newCaptureDevice: The capture device that was switched to
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*/
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public func reader(_ reader: QRCodeReaderViewController, didSwitchCamera newCaptureDevice: AVCaptureDeviceInput) {}
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}
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