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bselwefelangel
bselwe
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felangel
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[camera] Introduce camera_web package (#4151)
This first version is a no-op implementation of the platform_interface, but is the initial step to bring over the implementation from the Photobooth into flutter/plugins. Won't be published (for now). Co-authored-by: Felix Angelov <[email protected]>
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‎packages/camera/camera_web/CHANGELOG.md

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## 0.1.0
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* Initial release

‎packages/camera/camera_web/LICENSE

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Copyright 2013 The Flutter Authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎packages/camera/camera_web/README.md

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# Camera Web Plugin
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A Flutter plugin for Web allowing access to the device cameras.
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*Note*: This plugin is under development.
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In order to use this plugin, your app should depend both on `camera` and `camera_web`. This is a temporary solution until a plugin is released.

‎packages/camera/camera_web/example/README.md

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# Testing
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This package uses `package:integration_test` to run its tests in a web browser.
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See [Plugin Tests > Web Tests](https://github.com/flutter/flutter/wiki/Plugin-Tests#web-tests)
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in the Flutter wiki for instructions to setup and run the tests in this package.
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Check [flutter.dev > Integration testing](https://flutter.dev/docs/testing/integration-tests)
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for more info.

‎packages/camera/camera_web/example/integration_test/camera_web_test.dart

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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:html';
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import 'package:camera_platform_interface/camera_platform_interface.dart';
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import 'package:camera_web/camera_web.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:integration_test/integration_test.dart';
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import 'package:mocktail/mocktail.dart';
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import 'helpers/helpers.dart';
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void main() {
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IntegrationTestWidgetsFlutterBinding.ensureInitialized();
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group('CameraPlugin', () {
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const cameraId = 0;
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late Window window;
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late Navigator navigator;
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late MediaDevices mediaDevices;
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late VideoElement videoElement;
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setUp(() async {
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window = MockWindow();
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navigator = MockNavigator();
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mediaDevices = MockMediaDevices();
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videoElement = VideoElement()
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..src =
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'https://flutter.github.io/assets-for-api-docs/assets/videos/bee.mp4'
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..preload = 'true'
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..width = 10
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..height = 10;
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when(() => window.navigator).thenReturn(navigator);
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when(() => navigator.mediaDevices).thenReturn(mediaDevices);
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when(
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() => mediaDevices.getUserMedia(any()),
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).thenAnswer((_) async => videoElement.captureStream());
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CameraPlatform.instance = CameraPlugin()..window = window;
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});
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testWidgets('CameraPlugin is the live instance', (tester) async {
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expect(CameraPlatform.instance, isA<CameraPlugin>());
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});
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testWidgets('availableCameras throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.availableCameras(),
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throwsUnimplementedError,
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);
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});
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testWidgets('createCamera throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.createCamera(
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CameraDescription(
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name: 'name',
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lensDirection: CameraLensDirection.external,
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sensorOrientation: 0,
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),
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ResolutionPreset.medium,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('initializeCamera throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.initializeCamera(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('lockCaptureOrientation throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.lockCaptureOrientation(
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cameraId,
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DeviceOrientation.landscapeLeft,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('unlockCaptureOrientation throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.unlockCaptureOrientation(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('takePicture throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.takePicture(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('prepareForVideoRecording throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.prepareForVideoRecording(),
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throwsUnimplementedError,
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);
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});
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testWidgets('startVideoRecording throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.startVideoRecording(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('stopVideoRecording throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.stopVideoRecording(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('pauseVideoRecording throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.pauseVideoRecording(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('resumeVideoRecording throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.resumeVideoRecording(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('setFlashMode throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setFlashMode(
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cameraId,
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FlashMode.auto,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('setExposureMode throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setExposureMode(
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cameraId,
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ExposureMode.auto,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('setExposurePoint throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setExposurePoint(
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cameraId,
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const Point(0, 0),
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('getMinExposureOffset throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.getMinExposureOffset(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('getMaxExposureOffset throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.getMaxExposureOffset(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('getExposureOffsetStepSize throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.getExposureOffsetStepSize(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('setExposureOffset throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setExposureOffset(
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cameraId,
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0,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('setFocusMode throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setFocusMode(
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cameraId,
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FocusMode.auto,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('setFocusPoint throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setFocusPoint(
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cameraId,
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const Point(0, 0),
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('getMaxZoomLevel throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.getMaxZoomLevel(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('getMinZoomLevel throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.getMinZoomLevel(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('setZoomLevel throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.setZoomLevel(
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cameraId,
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1.0,
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),
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throwsUnimplementedError,
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);
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});
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testWidgets('buildPreview throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.buildPreview(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('dispose throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.dispose(cameraId),
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throwsUnimplementedError,
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);
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});
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group('events', () {
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testWidgets('onCameraInitialized throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.onCameraInitialized(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('onCameraResolutionChanged throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.onCameraResolutionChanged(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('onCameraClosing throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.onCameraClosing(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('onCameraError throws UnimplementedError', (tester) async {
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expect(
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() => CameraPlatform.instance.onCameraError(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('onVideoRecordedEvent throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.onVideoRecordedEvent(cameraId),
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throwsUnimplementedError,
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);
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});
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testWidgets('onDeviceOrientationChanged throws UnimplementedError',
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(tester) async {
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expect(
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() => CameraPlatform.instance.onDeviceOrientationChanged(),
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throwsUnimplementedError,
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);
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});
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});
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});
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}

‎packages/camera/camera_web/example/integration_test/helpers/helpers.dart

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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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export 'mocks.dart';

‎packages/camera/camera_web/example/integration_test/helpers/mocks.dart

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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:html';
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import 'package:mocktail/mocktail.dart';
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class MockWindow extends Mock implements Window {}
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class MockNavigator extends Mock implements Navigator {}
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class MockMediaDevices extends Mock implements MediaDevices {}
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/// A fake [DomException] that returns the provided [errorName].
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class FakeDomException extends Fake implements DomException {
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FakeDomException(this.errorName);
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final String errorName;
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@override
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String get name => errorName;
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}

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