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// Copyright 2014 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.
import 'dart:ui' as ui hide window;
import 'package:flutter/foundation.dart';
/// [SingletonFlutterWindow] that wraps another [SingletonFlutterWindow] and
/// allows faking of some properties for testing purposes.
///
/// Tests for certain widgets, e.g., [MaterialApp], might require faking certain
/// properties of a [SingletonFlutterWindow]. [TestWindow] facilitates the
/// faking of these properties by overriding the properties of a real
/// [SingletonFlutterWindow] with desired fake values. The binding used within
/// tests, [TestWidgetsFlutterBinding], contains a [TestWindow] that is used by
/// all tests.
///
/// ## Sample Code
///
/// A test can utilize a [TestWindow] in the following way:
///
/// ```dart
/// testWidgets('your test name here', (WidgetTester tester) async {
/// // Retrieve the TestWidgetsFlutterBinding.
/// final TestWidgetsFlutterBinding testBinding = tester.binding;
///
/// // Fake the desired properties of the TestWindow. All code running
/// // within this test will perceive the following fake text scale
/// // factor as the real text scale factor of the window.
/// testBinding.window.textScaleFactorFakeValue = 2.5;
///
/// // Test code that depends on text scale factor here.
/// });
/// ```
///
/// The [TestWidgetsFlutterBinding] is recreated for each test and
/// therefore any fake values defined in one test will not persist
/// to the next.
///
/// If a test needs to override a real [SingletonFlutterWindow] property and
/// then later return to using the real [SingletonFlutterWindow] property,
/// [TestWindow] provides methods to clear each individual test value, e.g.,
/// [clearLocaleTestValue()].
///
/// To clear all fake test values in a [TestWindow], consider using
/// [clearAllTestValues()].
///
/// See also:
///
/// * [TestPlatformDispatcher], which wraps a [PlatformDispatcher] for
/// testing purposes and is used by the [platformDispatcher] property of
/// this class.
class TestWindow implements ui.SingletonFlutterWindow {
/// Constructs a [TestWindow] that defers all behavior to the given
/// [dart:ui.SingletonFlutterWindow] unless explicitly overridden for test purposes.
TestWindow({
required ui.SingletonFlutterWindow window,
}) : _window = window,
platformDispatcher = TestPlatformDispatcher(platformDispatcher: window.platformDispatcher);
/// The [dart:ui.SingletonFlutterWindow] that is wrapped by this [TestWindow].
final ui.SingletonFlutterWindow _window;
@override
final TestPlatformDispatcher platformDispatcher;
@override
double get devicePixelRatio => _devicePixelRatio ?? _window.devicePixelRatio;
double? _devicePixelRatio;
/// Hides the real device pixel ratio and reports the given [devicePixelRatio]
/// instead.
set devicePixelRatioTestValue(double devicePixelRatio) { // ignore: avoid_setters_without_getters
_devicePixelRatio = devicePixelRatio;
onMetricsChanged?.call();
}
/// Deletes any existing test device pixel ratio and returns to using the real
/// device pixel ratio.
void clearDevicePixelRatioTestValue() {
_devicePixelRatio = null;
onMetricsChanged?.call();
}
@override
ui.Size get physicalSize => _physicalSizeTestValue ?? _window.physicalSize;
ui.Size? _physicalSizeTestValue;
/// Hides the real physical size and reports the given [physicalSizeTestValue]
/// instead.
set physicalSizeTestValue (ui.Size physicalSizeTestValue) { // ignore: avoid_setters_without_getters
_physicalSizeTestValue = physicalSizeTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test physical size and returns to using the real
/// physical size.
void clearPhysicalSizeTestValue() {
_physicalSizeTestValue = null;
onMetricsChanged?.call();
}
@override
ui.WindowPadding get viewInsets => _viewInsetsTestValue ?? _window.viewInsets;
ui.WindowPadding? _viewInsetsTestValue;
/// Hides the real view insets and reports the given [viewInsetsTestValue]
/// instead.
set viewInsetsTestValue(ui.WindowPadding viewInsetsTestValue) { // ignore: avoid_setters_without_getters
_viewInsetsTestValue = viewInsetsTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test view insets and returns to using the real view
/// insets.
void clearViewInsetsTestValue() {
_viewInsetsTestValue = null;
onMetricsChanged?.call();
}
@override
ui.WindowPadding get viewPadding => _viewPaddingTestValue ?? _window.padding;
ui.WindowPadding? _viewPaddingTestValue;
/// Hides the real view padding and reports the given [paddingTestValue]
/// instead.
set viewPaddingTestValue(ui.WindowPadding viewPaddingTestValue) { // ignore: avoid_setters_without_getters
_viewPaddingTestValue = viewPaddingTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test view padding and returns to using the real
/// viewPadding.
void clearViewPaddingTestValue() {
_viewPaddingTestValue = null;
onMetricsChanged?.call();
}
@override
ui.WindowPadding get padding => _paddingTestValue ?? _window.padding;
ui.WindowPadding? _paddingTestValue;
/// Hides the real padding and reports the given [paddingTestValue] instead.
set paddingTestValue(ui.WindowPadding paddingTestValue) { // ignore: avoid_setters_without_getters
_paddingTestValue = paddingTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test padding and returns to using the real padding.
void clearPaddingTestValue() {
_paddingTestValue = null;
onMetricsChanged?.call();
}
@override
List<ui.DisplayFeature> get displayFeatures => _displayFeaturesTestValue ?? _window.displayFeatures;
List<ui.DisplayFeature>? _displayFeaturesTestValue;
/// Hides the real displayFeatures and reports the given [displayFeaturesTestValue] instead.
set displayFeaturesTestValue(List<ui.DisplayFeature> displayFeaturesTestValue) { // ignore: avoid_setters_without_getters
_displayFeaturesTestValue = displayFeaturesTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test padding and returns to using the real padding.
void clearDisplayFeaturesTestValue() {
_displayFeaturesTestValue = null;
onMetricsChanged?.call();
}
@override
ui.WindowPadding get systemGestureInsets => _systemGestureInsetsTestValue ?? _window.systemGestureInsets;
ui.WindowPadding? _systemGestureInsetsTestValue;
/// Hides the real system gesture insets and reports the given [systemGestureInsetsTestValue] instead.
set systemGestureInsetsTestValue(ui.WindowPadding systemGestureInsetsTestValue) { // ignore: avoid_setters_without_getters
_systemGestureInsetsTestValue = systemGestureInsetsTestValue;
onMetricsChanged?.call();
}
/// Deletes any existing test system gesture insets and returns to using the real system gesture insets.
void clearSystemGestureInsetsTestValue() {
_systemGestureInsetsTestValue = null;
onMetricsChanged?.call();
}
@override
ui.VoidCallback? get onMetricsChanged => platformDispatcher.onMetricsChanged;
@override
set onMetricsChanged(ui.VoidCallback? callback) {
platformDispatcher.onMetricsChanged = callback;
}
@override
ui.Locale get locale => platformDispatcher.locale;
/// Hides the real locale and reports the given [localeTestValue] instead.
@Deprecated(
'Use platformDispatcher.localeTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set localeTestValue(ui.Locale localeTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.localeTestValue = localeTestValue;
}
@Deprecated(
'Use platformDispatcher.clearLocaleTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
/// Deletes any existing test locale and returns to using the real locale.
void clearLocaleTestValue() {
platformDispatcher.clearLocaleTestValue();
}
@override
List<ui.Locale> get locales => platformDispatcher.locales;
/// Hides the real locales and reports the given [localesTestValue] instead.
@Deprecated(
'Use platformDispatcher.localesTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set localesTestValue(List<ui.Locale> localesTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.localesTestValue = localesTestValue;
}
/// Deletes any existing test locales and returns to using the real locales.
@Deprecated(
'Use platformDispatcher.clearLocalesTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearLocalesTestValue() {
platformDispatcher.clearLocalesTestValue();
}
@override
ui.VoidCallback? get onLocaleChanged => platformDispatcher.onLocaleChanged;
@override
set onLocaleChanged(ui.VoidCallback? callback) {
platformDispatcher.onLocaleChanged = callback;
}
@override
String get initialLifecycleState => platformDispatcher.initialLifecycleState;
/// Sets a faked initialLifecycleState for testing.
@Deprecated(
'Use platformDispatcher.initialLifecycleStateTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set initialLifecycleStateTestValue(String state) { // ignore: avoid_setters_without_getters
platformDispatcher.initialLifecycleStateTestValue = state;
}
@override
double get textScaleFactor => platformDispatcher.textScaleFactor;
/// Hides the real text scale factor and reports the given
/// [textScaleFactorTestValue] instead.
@Deprecated(
'Use platformDispatcher.textScaleFactorTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set textScaleFactorTestValue(double textScaleFactorTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.textScaleFactorTestValue = textScaleFactorTestValue;
}
/// Deletes any existing test text scale factor and returns to using the real
/// text scale factor.
@Deprecated(
'Use platformDispatcher.clearTextScaleFactorTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearTextScaleFactorTestValue() {
platformDispatcher.clearTextScaleFactorTestValue();
}
@override
ui.Brightness get platformBrightness => platformDispatcher.platformBrightness;
@override
ui.VoidCallback? get onPlatformBrightnessChanged => platformDispatcher.onPlatformBrightnessChanged;
@override
set onPlatformBrightnessChanged(ui.VoidCallback? callback) {
platformDispatcher.onPlatformBrightnessChanged = callback;
}
/// Hides the real text scale factor and reports the given
/// [platformBrightnessTestValue] instead.
@Deprecated(
'Use platformDispatcher.platformBrightnessTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set platformBrightnessTestValue(ui.Brightness platformBrightnessTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.platformBrightnessTestValue = platformBrightnessTestValue;
}
/// Deletes any existing test platform brightness and returns to using the
/// real platform brightness.
@Deprecated(
'Use platformDispatcher.clearPlatformBrightnessTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearPlatformBrightnessTestValue() {
platformDispatcher.clearPlatformBrightnessTestValue();
}
@override
bool get alwaysUse24HourFormat => platformDispatcher.alwaysUse24HourFormat;
/// Hides the real clock format and reports the given
/// [alwaysUse24HourFormatTestValue] instead.
@Deprecated(
'Use platformDispatcher.alwaysUse24HourFormatTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set alwaysUse24HourFormatTestValue(bool alwaysUse24HourFormatTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.alwaysUse24HourFormatTestValue = alwaysUse24HourFormatTestValue;
}
/// Deletes any existing test clock format and returns to using the real clock
/// format.
@Deprecated(
'Use platformDispatcher.clearAlwaysUse24HourTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearAlwaysUse24HourTestValue() {
platformDispatcher.clearAlwaysUse24HourTestValue();
}
@override
ui.VoidCallback? get onTextScaleFactorChanged => platformDispatcher.onTextScaleFactorChanged;
@override
set onTextScaleFactorChanged(ui.VoidCallback? callback) {
platformDispatcher.onTextScaleFactorChanged = callback;
}
@override
bool get nativeSpellCheckServiceDefined => platformDispatcher.nativeSpellCheckServiceDefined;
set nativeSpellCheckServiceDefinedTestValue(bool nativeSpellCheckServiceDefinedTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.nativeSpellCheckServiceDefinedTestValue = nativeSpellCheckServiceDefinedTestValue;
}
@override
bool get brieflyShowPassword => platformDispatcher.brieflyShowPassword;
/// Hides the real [brieflyShowPassword] and reports the given
/// `brieflyShowPasswordTestValue` instead.
@Deprecated(
'Use platformDispatcher.brieflyShowPasswordTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set brieflyShowPasswordTestValue(bool brieflyShowPasswordTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.brieflyShowPasswordTestValue = brieflyShowPasswordTestValue;
}
@override
ui.FrameCallback? get onBeginFrame => platformDispatcher.onBeginFrame;
@override
set onBeginFrame(ui.FrameCallback? callback) {
platformDispatcher.onBeginFrame = callback;
}
@override
ui.VoidCallback? get onDrawFrame => platformDispatcher.onDrawFrame;
@override
set onDrawFrame(ui.VoidCallback? callback) {
platformDispatcher.onDrawFrame = callback;
}
@override
ui.TimingsCallback? get onReportTimings => platformDispatcher.onReportTimings;
@override
set onReportTimings(ui.TimingsCallback? callback) {
platformDispatcher.onReportTimings = callback;
}
@override
ui.PointerDataPacketCallback? get onPointerDataPacket => platformDispatcher.onPointerDataPacket;
@override
set onPointerDataPacket(ui.PointerDataPacketCallback? callback) {
platformDispatcher.onPointerDataPacket = callback;
}
@override
String get defaultRouteName => platformDispatcher.defaultRouteName;
/// Hides the real default route name and reports the given
/// [defaultRouteNameTestValue] instead.
@Deprecated(
'Use platformDispatcher.defaultRouteNameTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set defaultRouteNameTestValue(String defaultRouteNameTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.defaultRouteNameTestValue = defaultRouteNameTestValue;
}
/// Deletes any existing test default route name and returns to using the real
/// default route name.
@Deprecated(
'Use platformDispatcher.clearDefaultRouteNameTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearDefaultRouteNameTestValue() {
platformDispatcher.clearDefaultRouteNameTestValue();
}
@override
void scheduleFrame() {
platformDispatcher.scheduleFrame();
}
@override
void render(ui.Scene scene) {
_window.render(scene);
}
@override
bool get semanticsEnabled => platformDispatcher.semanticsEnabled;
/// Hides the real semantics enabled and reports the given
/// [semanticsEnabledTestValue] instead.
@Deprecated(
'Use platformDispatcher.semanticsEnabledTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set semanticsEnabledTestValue(bool semanticsEnabledTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.semanticsEnabledTestValue = semanticsEnabledTestValue;
}
/// Deletes any existing test semantics enabled and returns to using the real
/// semantics enabled.
@Deprecated(
'Use platformDispatcher.clearSemanticsEnabledTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearSemanticsEnabledTestValue() {
platformDispatcher.clearSemanticsEnabledTestValue();
}
@override
ui.VoidCallback? get onSemanticsEnabledChanged => platformDispatcher.onSemanticsEnabledChanged;
@override
set onSemanticsEnabledChanged(ui.VoidCallback? callback) {
platformDispatcher.onSemanticsEnabledChanged = callback;
}
@override
ui.SemanticsActionCallback? get onSemanticsAction => platformDispatcher.onSemanticsAction;
@override
set onSemanticsAction(ui.SemanticsActionCallback? callback) {
platformDispatcher.onSemanticsAction = callback;
}
@override
ui.AccessibilityFeatures get accessibilityFeatures => platformDispatcher.accessibilityFeatures;
/// Hides the real accessibility features and reports the given
/// [accessibilityFeaturesTestValue] instead.
///
/// Consider using [FakeAccessibilityFeatures] to provide specific
/// values for the various accessibility features under test.
@Deprecated(
'Use platformDispatcher.accessibilityFeaturesTestValue instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
set accessibilityFeaturesTestValue(ui.AccessibilityFeatures accessibilityFeaturesTestValue) { // ignore: avoid_setters_without_getters
platformDispatcher.accessibilityFeaturesTestValue = accessibilityFeaturesTestValue;
}
/// Deletes any existing test accessibility features and returns to using the
/// real accessibility features.
@Deprecated(
'Use platformDispatcher.clearAccessibilityFeaturesTestValue() instead. '
'This feature was deprecated after v2.11.0-0.0.pre.'
)
void clearAccessibilityFeaturesTestValue() {
platformDispatcher.clearAccessibilityFeaturesTestValue();
}
@override
ui.ViewConfiguration get viewConfiguration => _viewConfiguration ?? _window.viewConfiguration;
ui.ViewConfiguration? _viewConfiguration;
/// Hide the real view configuration and report the provided [value] instead.
set viewConfigurationTestValue(ui.ViewConfiguration? value) { // ignore: avoid_setters_without_getters
_viewConfiguration = value;
onMetricsChanged?.call();
}
@override
ui.VoidCallback? get onAccessibilityFeaturesChanged => platformDispatcher.onAccessibilityFeaturesChanged;
@override
set onAccessibilityFeaturesChanged(ui.VoidCallback? callback) {
platformDispatcher.onAccessibilityFeaturesChanged = callback;
}
@override
void updateSemantics(ui.SemanticsUpdate update) {
platformDispatcher.updateSemantics(update);
}
@override
void setIsolateDebugName(String name) {
platformDispatcher.setIsolateDebugName(name);
}
@override
void sendPlatformMessage(
String name,
ByteData? data,
ui.PlatformMessageResponseCallback? callback,
) {
platformDispatcher.sendPlatformMessage(name, data, callback);
}
@Deprecated(
'Instead of calling this callback, use ServicesBinding.instance.channelBuffers.push. '
'This feature was deprecated after v2.1.0-10.0.pre.'
)
@override
ui.PlatformMessageCallback? get onPlatformMessage => platformDispatcher.onPlatformMessage;
@Deprecated(
'Instead of setting this callback, use ServicesBinding.instance.defaultBinaryMessenger.setMessageHandler. '
'This feature was deprecated after v2.1.0-10.0.pre.'
)
@override
set onPlatformMessage(ui.PlatformMessageCallback? callback) {
platformDispatcher.onPlatformMessage = callback;
}
/// Delete any test value properties that have been set on this [TestWindow]
/// as well as its [platformDispatcher].
///
/// After calling this, the real [SingletonFlutterWindow] and
/// [ui.PlatformDispatcher] values are reported again.
///
/// If desired, clearing of properties can be done on an individual basis,
/// e.g., [clearLocaleTestValue()].
void clearAllTestValues() {
clearDevicePixelRatioTestValue();
clearPaddingTestValue();
clearDisplayFeaturesTestValue();
clearPhysicalSizeTestValue();
clearViewInsetsTestValue();
platformDispatcher.clearAllTestValues();
}
/// This gives us some grace time when the dart:ui side adds something to
/// [SingletonFlutterWindow], and makes things easier when we do rolls to give
/// us time to catch up.
@override
dynamic noSuchMethod(Invocation invocation) {
return null;
}
}
/// Test version of [AccessibilityFeatures] in which specific features may
/// be set to arbitrary values.
///
/// By default, all features are disabled. For an instance where all the
/// features are enabled, consider the [FakeAccessibilityFeatures.allOn]
/// constant.
@immutable
// ignore: avoid_implementing_value_types
class FakeAccessibilityFeatures implements ui.AccessibilityFeatures {
/// Creates a test instance of [AccessibilityFeatures].
///
/// By default, all features are disabled.
const FakeAccessibilityFeatures({
this.accessibleNavigation = false,
this.invertColors = false,
this.disableAnimations = false,
this.boldText = false,
this.reduceMotion = false,
this.highContrast = false,
});
/// An instance of [AccessibilityFeatures] where all the features are enabled.
static const FakeAccessibilityFeatures allOn = FakeAccessibilityFeatures(
accessibleNavigation: true,
invertColors: true,
disableAnimations: true,
boldText: true,
reduceMotion: true,
highContrast: true,
);
@override
final bool accessibleNavigation;
@override
final bool invertColors;
@override
final bool disableAnimations;
@override
final bool boldText;
@override
final bool reduceMotion;
@override
final bool highContrast;
@override
bool operator ==(Object other) {
if (other.runtimeType != runtimeType) {
return false;
}
return other is FakeAccessibilityFeatures
&& other.accessibleNavigation == accessibleNavigation
&& other.invertColors == invertColors
&& other.disableAnimations == disableAnimations
&& other.boldText == boldText
&& other.reduceMotion == reduceMotion
&& other.highContrast == highContrast;
}
@override
int get hashCode => Object.hash(accessibleNavigation, invertColors, disableAnimations, boldText, reduceMotion, highContrast);
/// This gives us some grace time when the dart:ui side adds something to
/// [AccessibilityFeatures], and makes things easier when we do rolls to
/// give us time to catch up.
///
/// If you would like to add to this class, changes must first be made in the
/// engine, followed by the framework.
@override
dynamic noSuchMethod(Invocation invocation) {
return null;
}
}
/// [PlatformDispatcher] that wraps another [PlatformDispatcher] and
/// allows faking of some properties for testing purposes.
///
/// See also:
///
/// * [TestWindow], which wraps a [SingletonFlutterWindow] for
/// testing and mocking purposes.
class TestPlatformDispatcher implements ui.PlatformDispatcher {
/// Constructs a [TestPlatformDispatcher] that defers all behavior to the given
/// [dart:ui.PlatformDispatcher] unless explicitly overridden for test purposes.
TestPlatformDispatcher({
required ui.PlatformDispatcher platformDispatcher,
}) : _platformDispatcher = platformDispatcher;
/// The [dart:ui.PlatformDispatcher] that is wrapped by this [TestPlatformDispatcher].
final ui.PlatformDispatcher _platformDispatcher;
@override
ui.VoidCallback? get onMetricsChanged => _platformDispatcher.onMetricsChanged;
@override
set onMetricsChanged(ui.VoidCallback? callback) {
_platformDispatcher.onMetricsChanged = callback;
}
@override
ui.Locale get locale => _localeTestValue ?? _platformDispatcher.locale;
ui.Locale? _localeTestValue;
/// Hides the real locale and reports the given [localeTestValue] instead.
set localeTestValue(ui.Locale localeTestValue) { // ignore: avoid_setters_without_getters
_localeTestValue = localeTestValue;
onLocaleChanged?.call();
}
/// Deletes any existing test locale and returns to using the real locale.
void clearLocaleTestValue() {
_localeTestValue = null;
onLocaleChanged?.call();
}
@override
List<ui.Locale> get locales => _localesTestValue ?? _platformDispatcher.locales;
List<ui.Locale>? _localesTestValue;
/// Hides the real locales and reports the given [localesTestValue] instead.
set localesTestValue(List<ui.Locale> localesTestValue) { // ignore: avoid_setters_without_getters
_localesTestValue = localesTestValue;
onLocaleChanged?.call();
}
/// Deletes any existing test locales and returns to using the real locales.
void clearLocalesTestValue() {
_localesTestValue = null;
onLocaleChanged?.call();
}
@override
ui.VoidCallback? get onLocaleChanged => _platformDispatcher.onLocaleChanged;
@override
set onLocaleChanged(ui.VoidCallback? callback) {
_platformDispatcher.onLocaleChanged = callback;
}
@override
String get initialLifecycleState => _initialLifecycleStateTestValue;
String _initialLifecycleStateTestValue = '';
/// Sets a faked initialLifecycleState for testing.
set initialLifecycleStateTestValue(String state) { // ignore: avoid_setters_without_getters
_initialLifecycleStateTestValue = state;
}
@override
double get textScaleFactor => _textScaleFactorTestValue ?? _platformDispatcher.textScaleFactor;
double? _textScaleFactorTestValue;
/// Hides the real text scale factor and reports the given
/// [textScaleFactorTestValue] instead.
set textScaleFactorTestValue(double textScaleFactorTestValue) { // ignore: avoid_setters_without_getters
_textScaleFactorTestValue = textScaleFactorTestValue;
onTextScaleFactorChanged?.call();
}
/// Deletes any existing test text scale factor and returns to using the real
/// text scale factor.
void clearTextScaleFactorTestValue() {
_textScaleFactorTestValue = null;
onTextScaleFactorChanged?.call();
}
@override
ui.Brightness get platformBrightness => _platformBrightnessTestValue ?? _platformDispatcher.platformBrightness;
ui.Brightness? _platformBrightnessTestValue;
@override
ui.VoidCallback? get onPlatformBrightnessChanged => _platformDispatcher.onPlatformBrightnessChanged;
@override
set onPlatformBrightnessChanged(ui.VoidCallback? callback) {
_platformDispatcher.onPlatformBrightnessChanged = callback;
}
/// Hides the real text scale factor and reports the given
/// [platformBrightnessTestValue] instead.
set platformBrightnessTestValue(ui.Brightness platformBrightnessTestValue) { // ignore: avoid_setters_without_getters
_platformBrightnessTestValue = platformBrightnessTestValue;
onPlatformBrightnessChanged?.call();
}
/// Deletes any existing test platform brightness and returns to using the
/// real platform brightness.
void clearPlatformBrightnessTestValue() {
_platformBrightnessTestValue = null;
onPlatformBrightnessChanged?.call();
}
@override
bool get alwaysUse24HourFormat => _alwaysUse24HourFormatTestValue ?? _platformDispatcher.alwaysUse24HourFormat;
bool? _alwaysUse24HourFormatTestValue;
/// Hides the real clock format and reports the given
/// [alwaysUse24HourFormatTestValue] instead.
set alwaysUse24HourFormatTestValue(bool alwaysUse24HourFormatTestValue) { // ignore: avoid_setters_without_getters
_alwaysUse24HourFormatTestValue = alwaysUse24HourFormatTestValue;
}
/// Deletes any existing test clock format and returns to using the real clock
/// format.
void clearAlwaysUse24HourTestValue() {
_alwaysUse24HourFormatTestValue = null;
}
@override
ui.VoidCallback? get onTextScaleFactorChanged => _platformDispatcher.onTextScaleFactorChanged;
@override
set onTextScaleFactorChanged(ui.VoidCallback? callback) {
_platformDispatcher.onTextScaleFactorChanged = callback;
}
@override
bool get nativeSpellCheckServiceDefined => _nativeSpellCheckServiceDefinedTestValue ?? _platformDispatcher.nativeSpellCheckServiceDefined;
bool? _nativeSpellCheckServiceDefinedTestValue;
set nativeSpellCheckServiceDefinedTestValue(bool nativeSpellCheckServiceDefinedTestValue) { // ignore: avoid_setters_without_getters
_nativeSpellCheckServiceDefinedTestValue = nativeSpellCheckServiceDefinedTestValue;
}
/// Deletes existing value that determines whether or not a native spell check
/// service is defined and returns to the real value.
void clearNativeSpellCheckServiceDefined() {
_nativeSpellCheckServiceDefinedTestValue = null;
}
@override
bool get brieflyShowPassword => _brieflyShowPasswordTestValue ?? _platformDispatcher.brieflyShowPassword;
bool? _brieflyShowPasswordTestValue;
/// Hides the real [brieflyShowPassword] and reports the given
/// `brieflyShowPasswordTestValue` instead.
set brieflyShowPasswordTestValue(bool brieflyShowPasswordTestValue) { // ignore: avoid_setters_without_getters
_brieflyShowPasswordTestValue = brieflyShowPasswordTestValue;
}
@override
ui.FrameCallback? get onBeginFrame => _platformDispatcher.onBeginFrame;
@override
set onBeginFrame(ui.FrameCallback? callback) {
_platformDispatcher.onBeginFrame = callback;
}
@override
ui.VoidCallback? get onDrawFrame => _platformDispatcher.onDrawFrame;
@override
set onDrawFrame(ui.VoidCallback? callback) {
_platformDispatcher.onDrawFrame = callback;
}
@override
ui.TimingsCallback? get onReportTimings => _platformDispatcher.onReportTimings;
@override
set onReportTimings(ui.TimingsCallback? callback) {
_platformDispatcher.onReportTimings = callback;
}
@override
ui.PointerDataPacketCallback? get onPointerDataPacket => _platformDispatcher.onPointerDataPacket;
@override
set onPointerDataPacket(ui.PointerDataPacketCallback? callback) {
_platformDispatcher.onPointerDataPacket = callback;
}
@override
String get defaultRouteName => _defaultRouteNameTestValue ?? _platformDispatcher.defaultRouteName;
String? _defaultRouteNameTestValue;
/// Hides the real default route name and reports the given
/// [defaultRouteNameTestValue] instead.
set defaultRouteNameTestValue(String defaultRouteNameTestValue) { // ignore: avoid_setters_without_getters
_defaultRouteNameTestValue = defaultRouteNameTestValue;
}
/// Deletes any existing test default route name and returns to using the real
/// default route name.
void clearDefaultRouteNameTestValue() {
_defaultRouteNameTestValue = null;
}
@override
void scheduleFrame() {
_platformDispatcher.scheduleFrame();
}
@override
bool get semanticsEnabled => _semanticsEnabledTestValue ?? _platformDispatcher.semanticsEnabled;
bool? _semanticsEnabledTestValue;
/// Hides the real semantics enabled and reports the given
/// [semanticsEnabledTestValue] instead.
set semanticsEnabledTestValue(bool semanticsEnabledTestValue) { // ignore: avoid_setters_without_getters
_semanticsEnabledTestValue = semanticsEnabledTestValue;
onSemanticsEnabledChanged?.call();
}
/// Deletes any existing test semantics enabled and returns to using the real
/// semantics enabled.
void clearSemanticsEnabledTestValue() {
_semanticsEnabledTestValue = null;
onSemanticsEnabledChanged?.call();
}
@override
ui.VoidCallback? get onSemanticsEnabledChanged => _platformDispatcher.onSemanticsEnabledChanged;
@override
set onSemanticsEnabledChanged(ui.VoidCallback? callback) {
_platformDispatcher.onSemanticsEnabledChanged = callback;
}
@override
ui.SemanticsActionCallback? get onSemanticsAction => _platformDispatcher.onSemanticsAction;
@override
set onSemanticsAction(ui.SemanticsActionCallback? callback) {
_platformDispatcher.onSemanticsAction = callback;
}
@override
ui.AccessibilityFeatures get accessibilityFeatures => _accessibilityFeaturesTestValue ?? _platformDispatcher.accessibilityFeatures;
ui.AccessibilityFeatures? _accessibilityFeaturesTestValue;
/// Hides the real accessibility features and reports the given
/// [accessibilityFeaturesTestValue] instead.
///
/// Consider using [FakeAccessibilityFeatures] to provide specific
/// values for the various accessibility features under test.
set accessibilityFeaturesTestValue(ui.AccessibilityFeatures accessibilityFeaturesTestValue) { // ignore: avoid_setters_without_getters
_accessibilityFeaturesTestValue = accessibilityFeaturesTestValue;
onAccessibilityFeaturesChanged?.call();
}
/// Deletes any existing test accessibility features and returns to using the
/// real accessibility features.
void clearAccessibilityFeaturesTestValue() {
_accessibilityFeaturesTestValue = null;
onAccessibilityFeaturesChanged?.call();
}
@override
ui.VoidCallback? get onAccessibilityFeaturesChanged => _platformDispatcher.onAccessibilityFeaturesChanged;
@override
set onAccessibilityFeaturesChanged(ui.VoidCallback? callback) {
_platformDispatcher.onAccessibilityFeaturesChanged = callback;
}
@override
void updateSemantics(ui.SemanticsUpdate update) {
_platformDispatcher.updateSemantics(update);
}
@override
void setIsolateDebugName(String name) {
_platformDispatcher.setIsolateDebugName(name);
}
@override
void sendPlatformMessage(
String name,
ByteData? data,
ui.PlatformMessageResponseCallback? callback,
) {
_platformDispatcher.sendPlatformMessage(name, data, callback);
}
@Deprecated(
'Instead of calling this callback, use ServicesBinding.instance.channelBuffers.push. '
'This feature was deprecated after v2.1.0-10.0.pre.'
)
@override
ui.PlatformMessageCallback? get onPlatformMessage => _platformDispatcher.onPlatformMessage;
@Deprecated(
'Instead of setting this callback, use ServicesBinding.instance.defaultBinaryMessenger.setMessageHandler. '
'This feature was deprecated after v2.1.0-10.0.pre.'
)
@override
set onPlatformMessage(ui.PlatformMessageCallback? callback) {
_platformDispatcher.onPlatformMessage = callback;
}
/// Delete any test value properties that have been set on this [TestPlatformDispatcher]
/// and return to reporting the real [ui.PlatformDispatcher] values for all
/// [PlatformDispatcher] properties.
///
/// If desired, clearing of properties can be done on an individual basis,
/// e.g., [clearLocaleTestValue()].
void clearAllTestValues() {
clearAccessibilityFeaturesTestValue();
clearAlwaysUse24HourTestValue();
clearDefaultRouteNameTestValue();
clearPlatformBrightnessTestValue();
clearLocaleTestValue();
clearLocalesTestValue();
clearSemanticsEnabledTestValue();
clearTextScaleFactorTestValue();
clearNativeSpellCheckServiceDefined();
}
@override
ui.VoidCallback? get onFrameDataChanged => _platformDispatcher.onFrameDataChanged;
@override
set onFrameDataChanged(ui.VoidCallback? value) {
_platformDispatcher.onFrameDataChanged = value;
}
@override
ui.KeyDataCallback? get onKeyData => _platformDispatcher.onKeyData;
@override
set onKeyData(ui.KeyDataCallback? onKeyData) {
_platformDispatcher.onKeyData = onKeyData;
}
@override
ui.VoidCallback? get onPlatformConfigurationChanged => _platformDispatcher.onPlatformConfigurationChanged;
@override
set onPlatformConfigurationChanged(ui.VoidCallback? onPlatformConfigurationChanged) {
_platformDispatcher.onPlatformConfigurationChanged = onPlatformConfigurationChanged;
}
@override
ui.Locale? computePlatformResolvedLocale(List<ui.Locale> supportedLocales) => _platformDispatcher.computePlatformResolvedLocale(supportedLocales);
@override
ui.PlatformConfiguration get configuration => _platformDispatcher.configuration;
@override
ui.FrameData get frameData => _platformDispatcher.frameData;
@override
ByteData? getPersistentIsolateData() => _platformDispatcher.getPersistentIsolateData();
@override
Iterable<ui.FlutterView> get views => _platformDispatcher.views;
/// This gives us some grace time when the dart:ui side adds something to
/// [PlatformDispatcher], and makes things easier when we do rolls to give
/// us time to catch up.
@override
dynamic noSuchMethod(Invocation invocation) {
return null;
}
}