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123 changes: 123 additions & 0 deletions
123
packages/camera/camera/example/ios/RunnerTests/CameraPermissionTests.m
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| // 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. | ||
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| @import camera; | ||
| @import camera.Test; | ||
| @import AVFoundation; | ||
| @import XCTest; | ||
| #import <OCMock/OCMock.h> | ||
| #import "CameraTestUtils.h" | ||
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| @interface CameraPermissionTests : XCTestCase | ||
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| @end | ||
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| @implementation CameraPermissionTests | ||
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| - (void)testRequestCameraPermission_completeWithoutErrorIfPrevoiuslyAuthorized { | ||
| XCTestExpectation *expectation = | ||
| [self expectationWithDescription: | ||
| @"Must copmlete without error if camera access was previously authorized."]; | ||
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| id mockDevice = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([mockDevice authorizationStatusForMediaType:AVMediaTypeVideo]) | ||
| .andReturn(AVAuthorizationStatusAuthorized); | ||
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| FLTRequestCameraPermissionWithCompletionHandler(^(FlutterError *error) { | ||
| if (error == nil) { | ||
| [expectation fulfill]; | ||
| } | ||
| }); | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
| - (void)testRequestCameraPermission_completeWithErrorIfPreviouslyDenied { | ||
| XCTestExpectation *expectation = | ||
| [self expectationWithDescription: | ||
| @"Must complete with error if camera access was previously denied."]; | ||
| FlutterError *expectedError = | ||
| [FlutterError errorWithCode:@"CameraAccessDeniedWithoutPrompt" | ||
| message:@"User has previously denied the camera access request. Go to " | ||
| @"Settings to enable camera access." | ||
| details:nil]; | ||
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| id mockDevice = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([mockDevice authorizationStatusForMediaType:AVMediaTypeVideo]) | ||
| .andReturn(AVAuthorizationStatusDenied); | ||
| FLTRequestCameraPermissionWithCompletionHandler(^(FlutterError *error) { | ||
| if ([error isEqual:expectedError]) { | ||
| [expectation fulfill]; | ||
| } | ||
| }); | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
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| - (void)testRequestCameraPermission_completeWithErrorIfRestricted { | ||
| XCTestExpectation *expectation = | ||
| [self expectationWithDescription:@"Must complete with error if camera access is restricted."]; | ||
| FlutterError *expectedError = [FlutterError errorWithCode:@"CameraAccessRestricted" | ||
| message:@"Camera access is restricted. " | ||
| details:nil]; | ||
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| id mockDevice = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([mockDevice authorizationStatusForMediaType:AVMediaTypeVideo]) | ||
| .andReturn(AVAuthorizationStatusRestricted); | ||
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| FLTRequestCameraPermissionWithCompletionHandler(^(FlutterError *error) { | ||
| if ([error isEqual:expectedError]) { | ||
| [expectation fulfill]; | ||
| } | ||
| }); | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
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| - (void)testRequestCameraPermission_completeWithoutErrorIfUserGrantAccess { | ||
| XCTestExpectation *grantedExpectation = [self | ||
| expectationWithDescription:@"Must complete without error if user choose to grant access"]; | ||
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| id mockDevice = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([mockDevice authorizationStatusForMediaType:AVMediaTypeVideo]) | ||
| .andReturn(AVAuthorizationStatusNotDetermined); | ||
| // Mimic user choosing "allow" in permission dialog. | ||
| OCMStub([mockDevice requestAccessForMediaType:AVMediaTypeVideo | ||
| completionHandler:[OCMArg checkWithBlock:^BOOL(void (^block)(BOOL)) { | ||
| block(YES); | ||
| return YES; | ||
| }]]); | ||
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| FLTRequestCameraPermissionWithCompletionHandler(^(FlutterError *error) { | ||
| if (error == nil) { | ||
| [grantedExpectation fulfill]; | ||
| } | ||
| }); | ||
| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
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| - (void)testRequestCameraPermission_completeWithErrorIfUserDenyAccess { | ||
| XCTestExpectation *expectation = | ||
| [self expectationWithDescription:@"Must complete with error if user choose to deny access"]; | ||
| FlutterError *expectedError = | ||
| [FlutterError errorWithCode:@"CameraAccessDenied" | ||
| message:@"User denied the camera access request." | ||
| details:nil]; | ||
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| id mockDevice = OCMClassMock([AVCaptureDevice class]); | ||
| OCMStub([mockDevice authorizationStatusForMediaType:AVMediaTypeVideo]) | ||
| .andReturn(AVAuthorizationStatusNotDetermined); | ||
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| // Mimic user choosing "deny" in permission dialog. | ||
| OCMStub([mockDevice requestAccessForMediaType:AVMediaTypeVideo | ||
| completionHandler:[OCMArg checkWithBlock:^BOOL(void (^block)(BOOL)) { | ||
| block(NO); | ||
| return YES; | ||
| }]]); | ||
| FLTRequestCameraPermissionWithCompletionHandler(^(FlutterError *error) { | ||
| if ([error isEqual:expectedError]) { | ||
| [expectation fulfill]; | ||
| } | ||
| }); | ||
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| [self waitForExpectationsWithTimeout:1 handler:nil]; | ||
| } | ||
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| @end |
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18 changes: 18 additions & 0 deletions
18
packages/camera/camera/ios/Classes/CameraPermissionUtils.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // 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. | ||
|
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| @import Foundation; | ||
| #import <Flutter/Flutter.h> | ||
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| typedef void (^FLTCameraPermissionRequestCompletionHandler)(FlutterError *); | ||
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| /// Requests camera access permission. | ||
| /// If it is the first time requesting camera access, a permission dialog will show up on the | ||
| /// screen. Otherwise AVFoundation simply returns the user's previous choice, and in this case the | ||
| /// user will have to update the choice in Settings app. | ||
| /// @param handler if access permission is (or was previously) granted, completion handler will be | ||
| /// called without error; Otherwise completion handler will be called with error. Handler can be | ||
| /// called on an arbitrary dispatch queue. | ||
| extern void FLTRequestCameraPermissionWithCompletionHandler( | ||
| FLTCameraPermissionRequestCompletionHandler handler); |
39 changes: 39 additions & 0 deletions
39
packages/camera/camera/ios/Classes/CameraPermissionUtils.m
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // 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. | ||
|
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| @import AVFoundation; | ||
| #import "CameraPermissionUtils.h" | ||
|
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| void FLTRequestCameraPermissionWithCompletionHandler( | ||
| FLTCameraPermissionRequestCompletionHandler handler) { | ||
| switch ([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo]) { | ||
| case AVAuthorizationStatusAuthorized: | ||
| handler(nil); | ||
| break; | ||
| case AVAuthorizationStatusDenied: | ||
| handler([FlutterError errorWithCode:@"CameraAccessDeniedWithoutPrompt" | ||
| message:@"User has previously denied the camera access request. " | ||
| @"Go to Settings to enable camera access." | ||
| details:nil]); | ||
| break; | ||
| case AVAuthorizationStatusRestricted: | ||
| handler([FlutterError errorWithCode:@"CameraAccessRestricted" | ||
| message:@"Camera access is restricted. " | ||
| details:nil]); | ||
| break; | ||
| case AVAuthorizationStatusNotDetermined: { | ||
| [AVCaptureDevice | ||
| requestAccessForMediaType:AVMediaTypeVideo | ||
| completionHandler:^(BOOL granted) { | ||
| // handler can be invoked on an arbitrary dispatch queue. | ||
| handler(granted ? nil | ||
| : [FlutterError | ||
| errorWithCode:@"CameraAccessDenied" | ||
| message:@"User denied the camera access request." | ||
| details:nil]); | ||
| }]; | ||
| break; | ||
| } | ||
| } | ||
| } |
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