| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef IOS_CHROME_BROWSER_UI_QR_SCANNER_QR_SCANNER_ALERTS_H_ |
| #define IOS_CHROME_BROWSER_UI_QR_SCANNER_QR_SCANNER_ALERTS_H_ |
| |
| #include "ios/chrome/browser/ui/qr_scanner/camera_controller.h" |
| |
| @class UIAlertAction; |
| @class UIAlertController; |
| |
| namespace qr_scanner { |
| |
| // Block type that takes a UIAlertAction. Blocks of this type will be called |
| // when the Cancel button of a UIAlertView is pressed. |
| typedef void (^CancelAlertAction)(UIAlertAction* alertAction); |
| |
| // Returns a dialog to be displayed when the camera state is |state|. |
| // |cancelBlock| is executed when the button to close the dialog is tapped. If |
| // |cancelBlock| is nil, the dialog is dismissed on cancel. |
| UIAlertController* DialogForCameraState(CameraState state, |
| CancelAlertAction cancelBlock); |
| |
| } // namespace qr_scanner |
| |
| #endif // IOS_CHROME_BROWSER_UI_QR_SCANNER_QR_SCANNER_ALERTS_H_ |
