8a31a3a284
Fixes https://github.com/flutter/flutter/issues/130277 This PR does two things: 1. introduce a hidden `flutter build _preview` command, that will build a debug windows desktop app and copy it into the SDK's binary cache. This command is only intended to be run during packaging. 2. introduce a new device type, called `PreviewDevice`, which relies on the prebuilt desktop debug app from step 1, copies it into the target app's assets build folder, and then hot reloads their dart code into it.
86 lines
2.3 KiB
Dart
86 lines
2.3 KiB
Dart
// Copyright 2014 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 'base/config.dart';
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import 'base/platform.dart';
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import 'features.dart';
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import 'version.dart';
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class FlutterFeatureFlags implements FeatureFlags {
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FlutterFeatureFlags({
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required FlutterVersion flutterVersion,
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required Config config,
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required Platform platform,
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}) : _flutterVersion = flutterVersion,
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_config = config,
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_platform = platform;
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final FlutterVersion _flutterVersion;
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final Config _config;
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final Platform _platform;
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@override
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bool get isLinuxEnabled => isEnabled(flutterLinuxDesktopFeature);
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@override
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bool get isMacOSEnabled => isEnabled(flutterMacOSDesktopFeature);
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@override
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bool get isWebEnabled => isEnabled(flutterWebFeature);
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@override
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bool get isWindowsEnabled => isEnabled(flutterWindowsDesktopFeature);
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@override
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bool get isAndroidEnabled => isEnabled(flutterAndroidFeature);
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@override
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bool get isIOSEnabled => isEnabled(flutterIOSFeature);
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@override
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bool get isFuchsiaEnabled => isEnabled(flutterFuchsiaFeature);
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@override
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bool get areCustomDevicesEnabled => isEnabled(flutterCustomDevicesFeature);
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@override
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bool get isFlutterWebWasmEnabled => isEnabled(flutterWebWasm);
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@override
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bool get isCliAnimationEnabled {
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if (_platform.environment['TERM'] == 'dumb') {
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return false;
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}
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return isEnabled(cliAnimation);
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}
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@override
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bool get isNativeAssetsEnabled => isEnabled(nativeAssets);
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@override
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bool get isPreviewDeviceEnabled => isEnabled(previewDevice);
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@override
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bool isEnabled(Feature feature) {
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final String currentChannel = _flutterVersion.channel;
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final FeatureChannelSetting featureSetting = feature.getSettingForChannel(currentChannel);
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if (!featureSetting.available) {
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return false;
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}
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bool isEnabled = featureSetting.enabledByDefault;
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if (feature.configSetting != null) {
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final bool? configOverride = _config.getValue(feature.configSetting!) as bool?;
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if (configOverride != null) {
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isEnabled = configOverride;
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}
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}
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if (feature.environmentOverride != null) {
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if (_platform.environment[feature.environmentOverride]?.toLowerCase() == 'true') {
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isEnabled = true;
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}
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}
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return isEnabled;
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}
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}
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