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Remove unnecessary null checks in flutter/{foundation,services,physics} (#118910)

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* Remove unnecessary null checks in flutter/foundation

* Remove unnecessary null checks in flutter/services

* Remove unnecessary null checks in flutter/physics
This commit is contained in:
Michael Goderbauer 2023-01-23 11:29:48 -08:00 committed by GitHub
parent a63e19ba0f
commit 19dfde6989
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GPG Key ID: 4AEE18F83AFDEB23
34 changed files with 77 additions and 348 deletions
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6
packages/flutter/lib/src/foundation/annotations.dart
View File

@ -39,7 +39,7 @@
/// class that overrides the inline documentations' own description.
class Category {
/// Create an annotation to provide a categorization of a class.
const Category(this.sections) : assert(sections != null);
const Category(this.sections);
/// The strings the correspond to the section and subsection of the
/// category represented by this object.
@ -74,7 +74,7 @@ class Category {
/// class that overrides the inline documentations' own description.
class DocumentationIcon {
/// Create an annotation to provide a URL to an image describing a class.
const DocumentationIcon(this.url) : assert(url != null);
const DocumentationIcon(this.url);
/// The URL to an image that represents the annotated class.
final String url;
@ -111,7 +111,7 @@ class DocumentationIcon {
/// represents the class.
class Summary {
/// Create an annotation to provide a short description of a class.
const Summary(this.text) : assert(text != null);
const Summary(this.text);
/// The text of the summary of the annotated class.
final String text;

19
packages/flutter/lib/src/foundation/assertions.dart
View File

@ -54,9 +54,7 @@ class PartialStackFrame {
required this.package,
required this.className,
required this.method,
}) : assert(className != null),
assert(method != null),
assert(package != null);
});
/// An `<asynchronous suspension>` line in a stack trace.
static const PartialStackFrame asynchronousSuspension = PartialStackFrame(
@ -128,8 +126,7 @@ class RepetitiveStackFrameFilter extends StackFilter {
const RepetitiveStackFrameFilter({
required this.frames,
required this.replacement,
}) : assert(frames != null),
assert(replacement != null);
});
/// The shape of this repetitive stack pattern.
final List<PartialStackFrame> frames;
@ -177,8 +174,7 @@ abstract class _ErrorDiagnostic extends DiagnosticsProperty<List<Object>> {
String message, {
DiagnosticsTreeStyle style = DiagnosticsTreeStyle.flat,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(message != null),
super(
}) : super(
null,
<Object>[message],
showName: false,
@ -217,8 +213,7 @@ abstract class _ErrorDiagnostic extends DiagnosticsProperty<List<Object>> {
List<Object> messageParts, {
DiagnosticsTreeStyle style = DiagnosticsTreeStyle.flat,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(messageParts != null),
super(
}) : super(
null,
messageParts,
showName: false,
@ -406,7 +401,7 @@ class FlutterErrorDetails with Diagnosticable {
this.stackFilter,
this.informationCollector,
this.silent = false,
}) : assert(exception != null);
});
/// Creates a copy of the error details but with the given fields replaced
/// with new values.
@ -1001,8 +996,6 @@ class FlutterError extends Error with DiagnosticableTreeMixin implements Asserti
///
/// The default behavior for the [onError] handler is to call this function.
static void dumpErrorToConsole(FlutterErrorDetails details, { bool forceReport = false }) {
assert(details != null);
assert(details.exception != null);
bool isInDebugMode = false;
assert(() {
// In debug mode, we ignore the "silent" flag.
@ -1182,8 +1175,6 @@ class FlutterError extends Error with DiagnosticableTreeMixin implements Asserti
/// ```
/// {@end-tool}
static void reportError(FlutterErrorDetails details) {
assert(details != null);
assert(details.exception != null);
onError?.call(details);
}
}

2
packages/flutter/lib/src/foundation/basic_types.dart
View File

@ -231,7 +231,7 @@ class Factory<T> {
/// Creates a new factory.
///
/// The `constructor` parameter must not be null.
const Factory(this.constructor) : assert(constructor != null);
const Factory(this.constructor);
/// Creates a new object of type T.
final ValueGetter<T> constructor;

16
packages/flutter/lib/src/foundation/binding.dart
View File

@ -327,7 +327,6 @@ abstract class BindingBase {
]);
}
try {
assert(instance != null);
if (instance._debugConstructed && _debugInitializedType == null) {
throw FlutterError.fromParts(<DiagnosticsNode>[
ErrorSummary('Binding initialized without calling initInstances.'),
@ -553,10 +552,8 @@ abstract class BindingBase {
Future<void> lockEvents(Future<void> Function() callback) {
final developer.TimelineTask timelineTask = developer.TimelineTask()..start('Lock events');
assert(callback != null);
_lockCount += 1;
final Future<void> future = callback();
assert(future != null, 'The lockEvents() callback returned null; it should return a Future<void> that completes when the lock is to expire.');
future.whenComplete(() {
_lockCount -= 1;
if (!locked) {
@ -627,8 +624,6 @@ abstract class BindingBase {
required String name,
required AsyncCallback callback,
}) {
assert(name != null);
assert(callback != null);
registerServiceExtension(
name: name,
callback: (Map<String, String> parameters) async {
@ -658,9 +653,6 @@ abstract class BindingBase {
required AsyncValueGetter<bool> getter,
required AsyncValueSetter<bool> setter,
}) {
assert(name != null);
assert(getter != null);
assert(setter != null);
registerServiceExtension(
name: name,
callback: (Map<String, String> parameters) async {
@ -692,9 +684,6 @@ abstract class BindingBase {
required AsyncValueGetter<double> getter,
required AsyncValueSetter<double> setter,
}) {
assert(name != null);
assert(getter != null);
assert(setter != null);
registerServiceExtension(
name: name,
callback: (Map<String, String> parameters) async {
@ -754,9 +743,6 @@ abstract class BindingBase {
required AsyncValueGetter<String> getter,
required AsyncValueSetter<String> setter,
}) {
assert(name != null);
assert(getter != null);
assert(setter != null);
registerServiceExtension(
name: name,
callback: (Map<String, String> parameters) async {
@ -825,8 +811,6 @@ abstract class BindingBase {
required String name,
required ServiceExtensionCallback callback,
}) {
assert(name != null);
assert(callback != null);
final String methodName = 'ext.flutter.$name';
developer.registerExtension(methodName, (String method, Map<String, String> parameters) async {
assert(method == methodName);

1
packages/flutter/lib/src/foundation/consolidate_response.dart
View File

@ -51,7 +51,6 @@ Future<Uint8List> consolidateHttpClientResponseBytes(
bool autoUncompress = true,
BytesReceivedCallback? onBytesReceived,
}) {
assert(autoUncompress != null);
final Completer<Uint8List> completer = Completer<Uint8List>.sync();
final _OutputBuffer output = _OutputBuffer();

111
packages/flutter/lib/src/foundation/diagnostics.dart
View File

@ -253,28 +253,7 @@ class TextTreeConfiguration {
this.beforeName = '',
this.suffixLineOne = '',
this.mandatoryFooter = '',
}) : assert(prefixLineOne != null),
assert(prefixOtherLines != null),
assert(prefixLastChildLineOne != null),
assert(prefixOtherLinesRootNode != null),
assert(linkCharacter != null),
assert(propertyPrefixIfChildren != null),
assert(propertyPrefixNoChildren != null),
assert(lineBreak != null),
assert(lineBreakProperties != null),
assert(afterName != null),
assert(afterDescriptionIfBody != null),
assert(afterDescription != null),
assert(beforeProperties != null),
assert(afterProperties != null),
assert(propertySeparator != null),
assert(bodyIndent != null),
assert(footer != null),
assert(showChildren != null),
assert(addBlankLineIfNoChildren != null),
assert(isNameOnOwnLine != null),
assert(isBlankLineBetweenPropertiesAndChildren != null),
childLinkSpace = ' ' * linkCharacter.length;
}) : childLinkSpace = ' ' * linkCharacter.length;
/// Prefix to add to the first line to display a child with this style.
final String prefixLineOne;
@ -1113,8 +1092,7 @@ class TextTreeRenderer {
int wrapWidth = 100,
int wrapWidthProperties = 65,
int maxDescendentsTruncatableNode = -1,
}) : assert(minLevel != null),
_minLevel = minLevel,
}) : _minLevel = minLevel,
_wrapWidth = wrapWidth,
_wrapWidthProperties = wrapWidthProperties,
_maxDescendentsTruncatableNode = maxDescendentsTruncatableNode;
@ -1218,7 +1196,7 @@ class TextTreeRenderer {
List<DiagnosticsNode> children = node.getChildren();
String? description = node.toDescription(parentConfiguration: parentConfiguration);
String description = node.toDescription(parentConfiguration: parentConfiguration);
if (config.beforeName.isNotEmpty) {
builder.write(config.beforeName);
}
@ -1229,7 +1207,7 @@ class TextTreeRenderer {
if (uppercaseTitle) {
name = name?.toUpperCase();
}
if (description == null || description.isEmpty) {
if (description.isEmpty) {
if (node.showName && name != null) {
builder.write(name, allowWrap: wrapName);
}
@ -1388,7 +1366,6 @@ class TextTreeRenderer {
for (int i = 0; i < children.length; i++) {
final DiagnosticsNode child = children[i];
assert(child != null);
final TextTreeConfiguration childConfig = _childTextConfiguration(child, config)!;
if (i == children.length - 1) {
final String lastChildPrefixLineOne = '$prefixChildrenRaw${childConfig.prefixLastChildLineOne}';
@ -1463,12 +1440,10 @@ abstract class DiagnosticsNode {
this.showName = true,
this.showSeparator = true,
this.linePrefix,
}) : assert(showName != null),
assert(showSeparator != null),
// A name ending with ':' indicates that the user forgot that the ':' will
// be automatically added for them when generating descriptions of the
// property.
assert(
}) : assert(
// A name ending with ':' indicates that the user forgot that the ':' will
// be automatically added for them when generating descriptions of the
// property.
name == null || !name.endsWith(':'),
'Names of diagnostic nodes must not end with colons.\n'
'name:\n'
@ -1490,8 +1465,6 @@ abstract class DiagnosticsNode {
DiagnosticLevel level = DiagnosticLevel.info,
bool allowWrap = true,
}) {
assert(style != null);
assert(level != null);
return DiagnosticsProperty<void>(
'',
null,
@ -1728,7 +1701,6 @@ abstract class DiagnosticsNode {
}) {
String result = super.toString();
assert(style != null);
assert(minLevel != null);
assert(() {
if (_isSingleLine(style)) {
result = toStringDeep(parentConfiguration: parentConfiguration, minLevel: minLevel);
@ -1866,11 +1838,7 @@ class MessageProperty extends DiagnosticsProperty<void> {
String message, {
DiagnosticsTreeStyle style = DiagnosticsTreeStyle.singleLine,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(name != null),
assert(message != null),
assert(style != null),
assert(level != null),
super(name, null, description: message, style: style, level: level);
}) : super(name, null, description: message, style: style, level: level);
}
/// Property which encloses its string [value] in quotes.
@ -1894,10 +1862,7 @@ class StringProperty extends DiagnosticsProperty<String> {
super.ifEmpty,
super.style,
super.level,
}) : assert(showName != null),
assert(quoted != null),
assert(style != null),
assert(level != null);
});
/// Whether the value is enclosed in double quotes.
final bool quoted;
@ -2005,9 +1970,7 @@ class DoubleProperty extends _NumProperty<double> {
super.showName,
super.style,
super.level,
}) : assert(showName != null),
assert(style != null),
assert(level != null);
});
/// Property with a [value] that is computed only when needed.
///
@ -2024,9 +1987,7 @@ class DoubleProperty extends _NumProperty<double> {
super.tooltip,
super.defaultValue,
super.level,
}) : assert(showName != null),
assert(level != null),
super.lazy();
}) : super.lazy();
@override
String numberToString() => debugFormatDouble(value);
@ -2048,9 +2009,7 @@ class IntProperty extends _NumProperty<int> {
super.defaultValue,
super.style,
super.level,
}) : assert(showName != null),
assert(level != null),
assert(style != null);
});
@override
String numberToString() => value.toString();
@ -2075,8 +2034,7 @@ class PercentProperty extends DoubleProperty {
super.tooltip,
super.unit,
super.level,
}) : assert(showName != null),
assert(level != null);
});
@override
String valueToString({ TextTreeConfiguration? parentConfiguration }) {
@ -2150,9 +2108,7 @@ class FlagProperty extends DiagnosticsProperty<bool> {
bool showName = false,
Object? defaultValue,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(showName != null),
assert(level != null),
assert(ifTrue != null || ifFalse != null),
}) : assert(ifTrue != null || ifFalse != null),
super(
name,
value,
@ -2254,10 +2210,7 @@ class IterableProperty<T> extends DiagnosticsProperty<Iterable<T>> {
super.showName,
super.showSeparator,
super.level,
}) : assert(style != null),
assert(showName != null),
assert(showSeparator != null),
assert(level != null);
});
@override
String valueToString({TextTreeConfiguration? parentConfiguration}) {
@ -2335,7 +2288,7 @@ class EnumProperty<T> extends DiagnosticsProperty<T> {
super.value, {
super.defaultValue,
super.level,
}) : assert(level != null);
});
@override
String valueToString({ TextTreeConfiguration? parentConfiguration }) {
@ -2382,9 +2335,7 @@ class ObjectFlagProperty<T> extends DiagnosticsProperty<T> {
super.ifNull,
super.showName = false,
super.level,
}) : assert(ifPresent != null || ifNull != null),
assert(showName != null),
assert(level != null);
}) : assert(ifPresent != null || ifNull != null);
/// Shorthand constructor to describe whether the property has a value.
///
@ -2396,9 +2347,7 @@ class ObjectFlagProperty<T> extends DiagnosticsProperty<T> {
String super.name,
super.value, {
super.level,
}) : assert(name != null),
assert(level != null),
ifPresent = 'has $name',
}) : ifPresent = 'has $name',
super(
showName: false,
);
@ -2495,17 +2444,13 @@ class FlagsSummary<T> extends DiagnosticsProperty<Map<String, T?>> {
super.showName,
super.showSeparator,
super.level,
}) : assert(value != null),
assert(showName != null),
assert(showSeparator != null),
assert(level != null);
});
@override
Map<String, T?> get value => super.value!;
@override
String valueToString({TextTreeConfiguration? parentConfiguration}) {
assert(value != null);
if (!_hasNonNullEntry() && ifEmpty != null) {
return ifEmpty!;
}
@ -2598,11 +2543,7 @@ class DiagnosticsProperty<T> extends DiagnosticsNode {
this.allowNameWrap = true,
DiagnosticsTreeStyle super.style = DiagnosticsTreeStyle.singleLine,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(showName != null),
assert(showSeparator != null),
assert(style != null),
assert(level != null),
_description = description,
}) : _description = description,
_valueComputed = true,
_value = value,
_computeValue = null,
@ -2640,12 +2581,7 @@ class DiagnosticsProperty<T> extends DiagnosticsNode {
this.allowNameWrap = true,
DiagnosticsTreeStyle super.style = DiagnosticsTreeStyle.singleLine,
DiagnosticLevel level = DiagnosticLevel.info,
}) : assert(showName != null),
assert(showSeparator != null),
assert(defaultValue == kNoDefaultValue || defaultValue is T?),
assert(missingIfNull != null),
assert(style != null),
assert(level != null),
}) : assert(defaultValue == kNoDefaultValue || defaultValue is T?),
_description = description,
_valueComputed = false,
_value = null,
@ -2765,7 +2701,6 @@ class DiagnosticsProperty<T> extends DiagnosticsNode {
///
/// `text` must not be null.
String _addTooltip(String text) {
assert(text != null);
return tooltip == null ? text : '$text ($tooltip)';
}
@ -2938,7 +2873,7 @@ class DiagnosticableNode<T extends Diagnosticable> extends DiagnosticsNode {
super.name,
required this.value,
required super.style,
}) : assert(value != null);
});
@override
final T value;

3
packages/flutter/lib/src/foundation/node.dart
View File

@ -92,7 +92,6 @@ class AbstractNode {
/// method, as in `super.attach(owner)`.
@mustCallSuper
void attach(covariant Object owner) {
assert(owner != null);
assert(_owner == null);
_owner = owner;
}
@ -124,7 +123,6 @@ class AbstractNode {
@protected
@mustCallSuper
void adoptChild(covariant AbstractNode child) {
assert(child != null);
assert(child._parent == null);
assert(() {
AbstractNode node = this;
@ -147,7 +145,6 @@ class AbstractNode {
@protected
@mustCallSuper
void dropChild(covariant AbstractNode child) {
assert(child != null);
assert(child._parent == this);
assert(child.attached == attached);
child._parent = null;

3
packages/flutter/lib/src/foundation/serialization.dart
View File

@ -170,8 +170,7 @@ class WriteBuffer {
/// The byte order used is [Endian.host] throughout.
class ReadBuffer {
/// Creates a [ReadBuffer] for reading from the specified [data].
ReadBuffer(this.data)
: assert(data != null);
ReadBuffer(this.data);
/// The underlying data being read.
final ByteData data;

14
packages/flutter/lib/src/foundation/stack_frame.dart
View File

@ -35,16 +35,7 @@ class StackFrame {
required this.method,
this.isConstructor = false,
required this.source,
}) : assert(number != null),
assert(column != null),
assert(line != null),
assert(method != null),
assert(packageScheme != null),
assert(package != null),
assert(packagePath != null),
assert(className != null),
assert(isConstructor != null),
assert(source != null);
});
/// A stack frame representing an asynchronous suspension.
static const StackFrame asynchronousSuspension = StackFrame(
@ -74,13 +65,11 @@ class StackFrame {
///
/// This is normally useful with [StackTrace.current].
static List<StackFrame> fromStackTrace(StackTrace stack) {
assert(stack != null);
return fromStackString(stack.toString());
}
/// Parses a list of [StackFrame]s from the [StackTrace.toString] method.
static List<StackFrame> fromStackString(String stack) {
assert(stack != null);
return stack
.trim()
.split('\n')
@ -181,7 +170,6 @@ class StackFrame {
/// Parses a single [StackFrame] from a single line of a [StackTrace].
static StackFrame? fromStackTraceLine(String line) {
assert(line != null);
if (line == '<asynchronous suspension>') {
return asynchronousSuspension;
} else if (line == '...') {

3
packages/flutter/lib/src/physics/clamped_simulation.dart
View File

@ -36,8 +36,7 @@ class ClampedSimulation extends Simulation {
this.xMax = double.infinity,
this.dxMin = double.negativeInfinity,
this.dxMax = double.infinity,
}) : assert(simulation != null),
assert(xMax >= xMin),
}) : assert(xMax >= xMin),
assert(dxMax >= dxMin);
/// The simulation being clamped. Calls to [x], [dx], and [isDone] are

6
packages/flutter/lib/src/physics/gravity_simulation.dart
View File

@ -70,11 +70,7 @@ class GravitySimulation extends Simulation {
double distance,
double endDistance,
double velocity,
) : assert(acceleration != null),
assert(distance != null),
assert(velocity != null),
assert(endDistance != null),
assert(endDistance >= 0),
) : assert(endDistance >= 0),
_a = acceleration,
_x = distance,
_v = velocity,

6
packages/flutter/lib/src/physics/spring_simulation.dart
View File

@ -153,12 +153,6 @@ abstract class _SpringSolution {
double initialPosition,
double initialVelocity,
) {
assert(spring != null);
assert(spring.mass != null);
assert(spring.stiffness != null);
assert(spring.damping != null);
assert(initialPosition != null);
assert(initialVelocity != null);
final double cmk = spring.damping * spring.damping - 4 * spring.mass * spring.stiffness;
if (cmk == 0.0) {
return _CriticalSolution(spring, initialPosition, initialVelocity);

1
packages/flutter/lib/src/physics/utils.dart
View File

@ -8,7 +8,6 @@
/// The `a` and `b` arguments may be null. A null value is only considered
/// near-equal to another null value.
bool nearEqual(double? a, double? b, double epsilon) {
assert(epsilon != null);
assert(epsilon >= 0.0);
if (a == null || b == null) {
return a == b;

4
packages/flutter/lib/src/services/asset_bundle.dart
View File

@ -151,8 +151,6 @@ class NetworkAssetBundle extends AssetBundle {
/// fetched.
@override
Future<T> loadStructuredData<T>(String key, Future<T> Function(String value) parser) async {
assert(key != null);
assert(parser != null);
return parser(await loadString(key));
}
@ -196,8 +194,6 @@ abstract class CachingAssetBundle extends AssetBundle {
/// callback synchronously.
@override
Future<T> loadStructuredData<T>(String key, Future<T> Function(String value) parser) {
assert(key != null);
assert(parser != null);
if (_structuredDataCache.containsKey(key)) {
return _structuredDataCache[key]! as Future<T>;
}

8
packages/flutter/lib/src/services/autofill.dart
View File

@ -651,8 +651,7 @@ class AutofillConfiguration {
this.autofillHints = const <String>[],
this.hintText,
required this.currentEditingValue,
}) : assert(uniqueIdentifier != null),
assert(autofillHints != null);
});
/// An [AutofillConfiguration] that indicates the [AutofillClient] does not
/// wish to be autofilled.
@ -810,9 +809,7 @@ class _AutofillScopeTextInputConfiguration extends TextInputConfiguration {
_AutofillScopeTextInputConfiguration({
required this.allConfigurations,
required TextInputConfiguration currentClientConfiguration,
}) : assert(allConfigurations != null),
assert(currentClientConfiguration != null),
super(inputType: currentClientConfiguration.inputType,
}) : super(inputType: currentClientConfiguration.inputType,
obscureText: currentClientConfiguration.obscureText,
autocorrect: currentClientConfiguration.autocorrect,
smartDashesType: currentClientConfiguration.smartDashesType,
@ -843,7 +840,6 @@ class _AutofillScopeTextInputConfiguration extends TextInputConfiguration {
mixin AutofillScopeMixin implements AutofillScope {
@override
TextInputConnection attach(TextInputClient trigger, TextInputConfiguration configuration) {
assert(trigger != null);
assert(
!autofillClients.any((AutofillClient client) => !client.textInputConfiguration.autofillConfiguration.enabled),
'Every client in AutofillScope.autofillClients must enable autofill',

5
packages/flutter/lib/src/services/message_codec.dart
View File

@ -34,8 +34,7 @@ abstract class MessageCodec<T> {
class MethodCall {
/// Creates a [MethodCall] representing the invocation of [method] with the
/// specified [arguments].
const MethodCall(this.method, [this.arguments])
: assert(method != null);
const MethodCall(this.method, [this.arguments]);
/// The name of the method to be called.
final String method;
@ -114,7 +113,7 @@ class PlatformException implements Exception {
this.message,
this.details,
this.stacktrace,
}) : assert(code != null);
});
/// An error code.
final String code;

1
packages/flutter/lib/src/services/message_codecs.dart
View File

@ -195,7 +195,6 @@ class JSONMethodCodec implements MethodCodec {
@override
ByteData encodeErrorEnvelope({ required String code, String? message, Object? details}) {
assert(code != null);
return const JSONMessageCodec().encodeMessage(<Object?>[code, message, details])!;
}
}

9
packages/flutter/lib/src/services/mouse_cursor.dart
View File

@ -104,9 +104,7 @@ abstract class MouseCursorSession {
/// Create a session.
///
/// All arguments must be non-null.
MouseCursorSession(this.cursor, this.device)
: assert(cursor != null),
assert(device != null);
MouseCursorSession(this.cursor, this.device);
/// The cursor that created this session.
final MouseCursor cursor;
@ -215,7 +213,7 @@ abstract class MouseCursor with Diagnosticable {
@override
String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
final String debugDescription = this.debugDescription;
if (minLevel.index >= DiagnosticLevel.info.index && debugDescription != null) {
if (minLevel.index >= DiagnosticLevel.info.index) {
return debugDescription;
}
return super.toString(minLevel: minLevel);
@ -262,7 +260,6 @@ class _DeferringMouseCursor extends MouseCursor {
/// Returns the first cursor that is not a [MouseCursor.defer].
static MouseCursor? firstNonDeferred(Iterable<MouseCursor> cursors) {
for (final MouseCursor cursor in cursors) {
assert(cursor != null);
if (cursor != MouseCursor.defer) {
return cursor;
}
@ -358,7 +355,7 @@ class SystemMouseCursor extends MouseCursor {
// the supported system cursors are enumerated in [SystemMouseCursors].
const SystemMouseCursor._({
required this.kind,
}) : assert(kind != null);
});
/// A string that identifies the kind of the cursor.
///

2
packages/flutter/lib/src/services/mouse_tracking.dart
View File

@ -51,7 +51,7 @@ class MouseTrackerAnnotation with Diagnosticable {
this.onExit,
this.cursor = MouseCursor.defer,
this.validForMouseTracker = true,
}) : assert(cursor != null);
});
/// Triggered when a mouse pointer, with or without buttons pressed, has
/// entered the region and [validForMouseTracker] is true.

15
packages/flutter/lib/src/services/platform_channel.dart
View File

@ -163,9 +163,7 @@ class BasicMessageChannel<T> {
/// The [name] and [codec] arguments cannot be null. The default [ServicesBinding.defaultBinaryMessenger]
/// instance is used if [binaryMessenger] is null.
const BasicMessageChannel(this.name, this.codec, { BinaryMessenger? binaryMessenger })
: assert(name != null),
assert(codec != null),
_binaryMessenger = binaryMessenger;
: _binaryMessenger = binaryMessenger;
/// The logical channel on which communication happens, not null.
final String name;
@ -253,9 +251,7 @@ class MethodChannel {
/// The [name] and [codec] arguments cannot be null. The default [ServicesBinding.defaultBinaryMessenger]
/// instance is used if [binaryMessenger] is null.
const MethodChannel(this.name, [this.codec = const StandardMethodCodec(), BinaryMessenger? binaryMessenger ])
: assert(name != null),
assert(codec != null),
_binaryMessenger = binaryMessenger;
: _binaryMessenger = binaryMessenger;
/// The logical channel on which communication happens, not null.
final String name;
@ -300,7 +296,6 @@ class MethodChannel {
/// nullable.
@optionalTypeArgs
Future<T?> _invokeMethod<T>(String method, { required bool missingOk, dynamic arguments }) async {
assert(method != null);
final ByteData input = codec.encodeMethodCall(MethodCall(method, arguments));
final ByteData? result =
!kReleaseMode && debugProfilePlatformChannels ?
@ -535,7 +530,7 @@ class MethodChannel {
/// Any other exception results in an error envelope being sent.
void setMethodCallHandler(Future<dynamic> Function(MethodCall call)? handler) {
assert(
_binaryMessenger != null || ServicesBinding.instance != null,
_binaryMessenger != null || BindingBase.debugBindingType() != null,
'Cannot set the method call handler before the binary messenger has been initialized. '
'This happens when you call setMethodCallHandler() before the WidgetsFlutterBinding '
'has been initialized. You can fix this by either calling WidgetsFlutterBinding.ensureInitialized() '
@ -609,9 +604,7 @@ class EventChannel {
/// Neither [name] nor [codec] may be null. The default [ServicesBinding.defaultBinaryMessenger]
/// instance is used if [binaryMessenger] is null.
const EventChannel(this.name, [this.codec = const StandardMethodCodec(), BinaryMessenger? binaryMessenger])
: assert(name != null),
assert(codec != null),
_binaryMessenger = binaryMessenger;
: _binaryMessenger = binaryMessenger;
/// The logical channel on which communication happens, not null.
final String name;

66
packages/flutter/lib/src/services/platform_views.dart
View File

@ -119,9 +119,6 @@ class PlatformViewsService {
MessageCodec<dynamic>? creationParamsCodec,
VoidCallback? onFocus,
}) {
assert(id != null);
assert(viewType != null);
assert(layoutDirection != null);
assert(creationParams == null || creationParamsCodec != null);
final TextureAndroidViewController controller = TextureAndroidViewController._(
@ -150,9 +147,6 @@ class PlatformViewsService {
MessageCodec<dynamic>? creationParamsCodec,
VoidCallback? onFocus,
}) {
assert(id != null);
assert(viewType != null);
assert(layoutDirection != null);
assert(creationParams == null || creationParamsCodec != null);
final SurfaceAndroidViewController controller = SurfaceAndroidViewController._(
@ -222,9 +216,6 @@ class PlatformViewsService {
MessageCodec<dynamic>? creationParamsCodec,
VoidCallback? onFocus,
}) async {
assert(id != null);
assert(viewType != null);
assert(layoutDirection != null);
assert(creationParams == null || creationParamsCodec != null);
// TODO(amirh): pass layoutDirection once the system channel supports it.
@ -258,8 +249,7 @@ class AndroidPointerProperties {
const AndroidPointerProperties({
required this.id,
required this.toolType,
}) : assert(id != null),
assert(toolType != null);
});
/// See Android's [MotionEvent.PointerProperties#id](https://developer.android.com/reference/android/view/MotionEvent.PointerProperties.html#id).
final int id;
@ -308,15 +298,7 @@ class AndroidPointerCoords {
required this.touchMinor,
required this.x,
required this.y,
}) : assert(orientation != null),
assert(pressure != null),
assert(size != null),
assert(toolMajor != null),
assert(toolMinor != null),
assert(touchMajor != null),
assert(touchMinor != null),
assert(x != null),
assert(y != null);
});
/// The orientation of the touch area and tool area in radians clockwise from vertical.
///
@ -404,21 +386,7 @@ class AndroidMotionEvent {
required this.source,
required this.flags,
required this.motionEventId,
}) : assert(downTime != null),
assert(eventTime != null),
assert(action != null),
assert(pointerCount != null),
assert(pointerProperties != null),
assert(pointerCoords != null),
assert(metaState != null),
assert(buttonState != null),
assert(xPrecision != null),
assert(yPrecision != null),
assert(deviceId != null),
assert(edgeFlags != null),
assert(source != null),
assert(flags != null),
assert(pointerProperties.length == pointerCount),
}) : assert(pointerProperties.length == pointerCount),
assert(pointerCoords.length == pointerCount);
/// The time (in ms) when the user originally pressed down to start a stream of position events,
@ -532,12 +500,7 @@ class _AndroidMotionEventConverter {
<int, AndroidPointerProperties>{};
final Set<int> usedAndroidPointerIds = <int>{};
PointTransformer get pointTransformer => _pointTransformer;
late PointTransformer _pointTransformer;
set pointTransformer(PointTransformer transformer) {
assert(transformer != null);
_pointTransformer = transformer;
}
late PointTransformer pointTransformer;
int? downTimeMillis;
@ -554,7 +517,7 @@ class _AndroidMotionEventConverter {
}
void updatePointerPositions(PointerEvent event) {
final Offset position = _pointTransformer(event.position);
final Offset position = pointTransformer(event.position);
pointerPositions[event.pointer] = AndroidPointerCoords(
orientation: event.orientation,
pressure: event.pressure,
@ -691,10 +654,7 @@ abstract class AndroidViewController extends PlatformViewController {
required TextDirection layoutDirection,
dynamic creationParams,
MessageCodec<dynamic>? creationParamsCodec,
}) : assert(viewId != null),
assert(viewType != null),
assert(layoutDirection != null),
assert(creationParams == null || creationParamsCodec != null),
}) : assert(creationParams == null || creationParamsCodec != null),
_viewType = viewType,
_layoutDirection = layoutDirection,
_creationParams = creationParams == null ? null : _CreationParams(creationParams, creationParamsCodec!);
@ -755,7 +715,6 @@ abstract class AndroidViewController extends PlatformViewController {
<PlatformViewCreatedCallback>[];
static int _getAndroidDirection(TextDirection direction) {
assert(direction != null);
switch (direction) {
case TextDirection.ltr:
return kAndroidLayoutDirectionLtr;
@ -874,10 +833,9 @@ abstract class AndroidViewController extends PlatformViewController {
///
/// This is required to convert a [PointerEvent] to an [AndroidMotionEvent].
/// It is typically provided by using [RenderBox.globalToLocal].
PointTransformer get pointTransformer => _motionEventConverter._pointTransformer;
PointTransformer get pointTransformer => _motionEventConverter.pointTransformer;
set pointTransformer(PointTransformer transformer) {
assert(transformer != null);
_motionEventConverter._pointTransformer = transformer;
_motionEventConverter.pointTransformer = transformer;
}
/// Whether the platform view has already been created.
@ -886,14 +844,12 @@ abstract class AndroidViewController extends PlatformViewController {
/// Adds a callback that will get invoke after the platform view has been
/// created.
void addOnPlatformViewCreatedListener(PlatformViewCreatedCallback listener) {
assert(listener != null);
assert(_state != _AndroidViewState.disposed);
_platformViewCreatedCallbacks.add(listener);
}
/// Removes a callback added with [addOnPlatformViewCreatedListener].
void removeOnPlatformViewCreatedListener(PlatformViewCreatedCallback listener) {
assert(listener != null);
assert(_state != _AndroidViewState.disposed);
_platformViewCreatedCallbacks.remove(listener);
}
@ -914,7 +870,6 @@ abstract class AndroidViewController extends PlatformViewController {
return;
}
assert(layoutDirection != null);
_layoutDirection = layoutDirection;
// If the view was not yet created we just update _layoutDirection and return, as the new
@ -1361,9 +1316,7 @@ class UiKitViewController {
UiKitViewController._(
this.id,
TextDirection layoutDirection,
) : assert(id != null),
assert(layoutDirection != null),
_layoutDirection = layoutDirection;
) : _layoutDirection = layoutDirection;
/// The unique identifier of the iOS view controlled by this controller.
@ -1384,7 +1337,6 @@ class UiKitViewController {
return;
}
assert(layoutDirection != null);
_layoutDirection = layoutDirection;
// TODO(amirh): invoke the iOS platform views channel direction method once available.

7
packages/flutter/lib/src/services/raw_keyboard_android.dart
View File

@ -42,11 +42,7 @@ class RawKeyEventDataAndroid extends RawKeyEventData {
this.productId = 0,
this.deviceId = 0,
this.repeatCount = 0,
}) : assert(flags != null),
assert(codePoint != null),
assert(keyCode != null),
assert(scanCode != null),
assert(metaState != null);
});
/// The current set of additional flags for this event.
///
@ -227,7 +223,6 @@ class RawKeyEventDataAndroid extends RawKeyEventData {
@override
bool isModifierPressed(ModifierKey key, { KeyboardSide side = KeyboardSide.any }) {
assert(side != null);
switch (key) {
case ModifierKey.controlModifier:
return _isLeftRightModifierPressed(side, modifierControl, modifierLeftControl, modifierRightControl);

5
packages/flutter/lib/src/services/raw_keyboard_fuchsia.dart
View File

@ -28,9 +28,7 @@ class RawKeyEventDataFuchsia extends RawKeyEventData {
this.hidUsage = 0,
this.codePoint = 0,
this.modifiers = 0,
}) : assert(hidUsage != null),
assert(codePoint != null),
assert(modifiers != null);
});
/// The USB HID usage.
///
@ -107,7 +105,6 @@ class RawKeyEventDataFuchsia extends RawKeyEventData {
@override
bool isModifierPressed(ModifierKey key, { KeyboardSide side = KeyboardSide.any }) {
assert(side != null);
switch (key) {
case ModifierKey.controlModifier:
return _isLeftRightModifierPressed(side, modifierControl, modifierLeftControl, modifierRightControl);

5
packages/flutter/lib/src/services/raw_keyboard_ios.dart
View File

@ -30,10 +30,7 @@ class RawKeyEventDataIos extends RawKeyEventData {
this.charactersIgnoringModifiers = '',
this.keyCode = 0,
this.modifiers = 0,
}) : assert(characters != null),
assert(charactersIgnoringModifiers != null),
assert(keyCode != null),
assert(modifiers != null);
});
/// The Unicode characters associated with a key-up or key-down event.
///

7
packages/flutter/lib/src/services/raw_keyboard_linux.dart
View File

@ -33,12 +33,7 @@ class RawKeyEventDataLinux extends RawKeyEventData {
this.modifiers = 0,
required this.isDown,
this.specifiedLogicalKey,
}) : assert(scanCode != null),
assert(unicodeScalarValues != null),
assert((unicodeScalarValues & ~LogicalKeyboardKey.valueMask) == 0),
assert(keyCode != null),
assert(modifiers != null),
assert(keyHelper != null);
}) : assert((unicodeScalarValues & ~LogicalKeyboardKey.valueMask) == 0);
/// A helper class that abstracts the fetching of the toolkit-specific mappings.
///

5
packages/flutter/lib/src/services/raw_keyboard_macos.dart
View File

@ -42,10 +42,7 @@ class RawKeyEventDataMacOs extends RawKeyEventData {
this.keyCode = 0,
this.modifiers = 0,
this.specifiedLogicalKey,
}) : assert(characters != null),
assert(charactersIgnoringModifiers != null),
assert(keyCode != null),
assert(modifiers != null);
});
/// The Unicode characters associated with a key-up or key-down event.
///

3
packages/flutter/lib/src/services/raw_keyboard_web.dart
View File

@ -35,8 +35,7 @@ class RawKeyEventDataWeb extends RawKeyEventData {
this.location = 0,
this.metaState = modifierNone,
this.keyCode = 0,
}) : assert(code != null),
assert(metaState != null);
});
/// The `KeyboardEvent.code` corresponding to this event.
///

5
packages/flutter/lib/src/services/raw_keyboard_windows.dart
View File

@ -35,10 +35,7 @@ class RawKeyEventDataWindows extends RawKeyEventData {
this.scanCode = 0,
this.characterCodePoint = 0,
this.modifiers = 0,
}) : assert(keyCode != null),
assert(scanCode != null),
assert(characterCodePoint != null),
assert(modifiers != null);
});
/// The hardware key code corresponding to this key event.
///

24
packages/flutter/lib/src/services/restoration.dart
View File

@ -259,7 +259,6 @@ class RestorationManager extends ChangeNotifier {
/// called.
@protected
void handleRestorationUpdateFromEngine({required bool enabled, required Uint8List? data}) {
assert(enabled != null);
assert(enabled || data == null);
_isReplacing = _rootBucketIsValid && enabled;
@ -297,7 +296,6 @@ class RestorationManager extends ChangeNotifier {
/// by the data.
@protected
Future<void> sendToEngine(Uint8List encodedData) {
assert(encodedData != null);
return SystemChannels.restoration.invokeMethod<void>(
'put',
encodedData,
@ -344,7 +342,6 @@ class RestorationManager extends ChangeNotifier {
@protected
@visibleForTesting
void scheduleSerializationFor(RestorationBucket bucket) {
assert(bucket != null);
assert(bucket._manager == this);
assert(!_debugDoingUpdate);
_bucketsNeedingSerialization.add(bucket);
@ -366,7 +363,6 @@ class RestorationManager extends ChangeNotifier {
@protected
@visibleForTesting
void unscheduleSerializationFor(RestorationBucket bucket) {
assert(bucket != null);
assert(bucket._manager == this);
assert(!_debugDoingUpdate);
_bucketsNeedingSerialization.remove(bucket);
@ -502,8 +498,7 @@ class RestorationBucket {
RestorationBucket.empty({
required String restorationId,
required Object? debugOwner,
}) : assert(restorationId != null),
_restorationId = restorationId,
}) : _restorationId = restorationId,
_rawData = <String, Object?>{} {
assert(() {
_debugOwner = debugOwner;
@ -537,8 +532,7 @@ class RestorationBucket {
RestorationBucket.root({
required RestorationManager manager,
required Map<Object?, Object?>? rawData,
}) : assert(manager != null),
_manager = manager,
}) : _manager = manager,
_rawData = rawData ?? <Object?, Object?>{},
_restorationId = 'root' {
assert(() {
@ -561,9 +555,7 @@ class RestorationBucket {
required String restorationId,
required RestorationBucket parent,
required Object? debugOwner,
}) : assert(restorationId != null),
assert(parent != null),
assert(parent._rawChildren[restorationId] != null),
}) : assert(parent._rawChildren[restorationId] != null),
_manager = parent._manager,
_parent = parent,
_rawData = parent._rawChildren[restorationId]! as Map<Object?, Object?>,
@ -635,7 +627,6 @@ class RestorationBucket {
/// restoration ID.
P? read<P>(String restorationId) {
assert(_debugAssertNotDisposed());
assert(restorationId != null);
return _rawValues[restorationId] as P?;
}
@ -657,7 +648,6 @@ class RestorationBucket {
/// restoration ID.
void write<P>(String restorationId, P value) {
assert(_debugAssertNotDisposed());
assert(restorationId != null);
assert(debugIsSerializableForRestoration(value));
if (_rawValues[restorationId] != value || !_rawValues.containsKey(restorationId)) {
_rawValues[restorationId] = value;
@ -679,7 +669,6 @@ class RestorationBucket {
/// restoration ID.
P? remove<P>(String restorationId) {
assert(_debugAssertNotDisposed());
assert(restorationId != null);
final bool needsUpdate = _rawValues.containsKey(restorationId);
final P? result = _rawValues.remove(restorationId) as P?;
if (_rawValues.isEmpty) {
@ -701,7 +690,6 @@ class RestorationBucket {
/// * [remove], which removes a value from the bucket.
bool contains(String restorationId) {
assert(_debugAssertNotDisposed());
assert(restorationId != null);
return _rawValues.containsKey(restorationId);
}
@ -737,7 +725,6 @@ class RestorationBucket {
/// delete the information stored in it from the app's restoration data.
RestorationBucket claimChild(String restorationId, {required Object? debugOwner}) {
assert(_debugAssertNotDisposed());
assert(restorationId != null);
// There are three cases to consider:
// 1. Claiming an ID that has already been claimed.
// 2. Claiming an ID that doesn't yet exist in [_rawChildren].
@ -787,7 +774,6 @@ class RestorationBucket {
/// No-op if the provided bucket is already a child of this bucket.
void adoptChild(RestorationBucket child) {
assert(_debugAssertNotDisposed());
assert(child != null);
if (child._parent != this) {
child._parent?._removeChildData(child);
child._parent = this;
@ -801,7 +787,6 @@ class RestorationBucket {
}
void _dropChild(RestorationBucket child) {
assert(child != null);
assert(child._parent == this);
_removeChildData(child);
child._parent = null;
@ -876,7 +861,6 @@ class RestorationBucket {
}
void _removeChildData(RestorationBucket child) {
assert(child != null);
assert(child._parent == this);
if (_claimedChildren.remove(child.restorationId) == child) {
_rawChildren.remove(child.restorationId);
@ -901,7 +885,6 @@ class RestorationBucket {
}
void _addChildData(RestorationBucket child) {
assert(child != null);
assert(child._parent == this);
if (_claimedChildren.containsKey(child.restorationId)) {
// Delay addition until the end of the frame in the hopes that the current
@ -944,7 +927,6 @@ class RestorationBucket {
/// another ID, or has moved it to a new parent via [adoptChild].
void rename(String newRestorationId) {
assert(_debugAssertNotDisposed());
assert(newRestorationId != null);
if (newRestorationId == restorationId) {
return;
}

10
packages/flutter/lib/src/services/spell_check.dart
View File

@ -27,9 +27,7 @@ class SuggestionSpan {
///
/// The [range] and replacement [suggestions] must all not
/// be null.
const SuggestionSpan(this.range, this.suggestions)
: assert(range != null),
assert(suggestions != null);
const SuggestionSpan(this.range, this.suggestions);
/// The misspelled range of text.
final TextRange range;
@ -58,9 +56,7 @@ class SuggestionSpan {
@immutable
class SpellCheckResults {
/// Creates results based off those received by spell checking some text input.
const SpellCheckResults(this.spellCheckedText, this.suggestionSpans)
: assert(spellCheckedText != null),
assert(suggestionSpans != null);
const SpellCheckResults(this.spellCheckedText, this.suggestionSpans);
/// The text that the [suggestionSpans] correspond to.
final String spellCheckedText;
@ -170,8 +166,6 @@ class DefaultSpellCheckService implements SpellCheckService {
@override
Future<List<SuggestionSpan>?> fetchSpellCheckSuggestions(
Locale locale, String text) async {
assert(locale != null);
assert(text != null);
final List<dynamic> rawResults;
final String languageTag = locale.toLanguageTag();

1
packages/flutter/lib/src/services/system_chrome.dart
View File

@ -577,7 +577,6 @@ class SystemChrome {
///
/// * [AnnotatedRegion], the widget used to place data into the layer tree.
static void setSystemUIOverlayStyle(SystemUiOverlayStyle style) {
assert(style != null);
if (_pendingStyle != null) {
// The microtask has already been queued; just update the pending value.
_pendingStyle = style;

4
packages/flutter/lib/src/services/text_editing_delta.dart
View File

@ -64,9 +64,7 @@ abstract class TextEditingDelta with Diagnosticable {
required this.oldText,
required this.selection,
required this.composing,
}) : assert(oldText != null),
assert(selection != null),
assert(composing != null);
});
/// Creates an instance of this class from a JSON object by inferring the
/// type of delta based on values sent from the engine.

7
packages/flutter/lib/src/services/text_formatter.dart
View File

@ -121,8 +121,7 @@ typedef TextInputFormatFunction = TextEditingValue Function(
/// Wiring for [TextInputFormatter.withFunction].
class _SimpleTextInputFormatter extends TextInputFormatter {
_SimpleTextInputFormatter(this.formatFunction)
: assert(formatFunction != null);
_SimpleTextInputFormatter(this.formatFunction);
final TextInputFormatFunction formatFunction;
@ -271,9 +270,7 @@ class FilteringTextInputFormatter extends TextInputFormatter {
this.filterPattern, {
required this.allow,
this.replacementString = '',
}) : assert(filterPattern != null),
assert(allow != null),
assert(replacementString != null);
});
/// Creates a formatter that only allows characters matching a pattern.
///

41
packages/flutter/lib/src/services/text_input.dart
View File

@ -478,17 +478,8 @@ class TextInputConfiguration {
this.autofillConfiguration = AutofillConfiguration.disabled,
this.enableIMEPersonalizedLearning = true,
this.enableDeltaModel = false,
}) : assert(inputType != null),
assert(obscureText != null),
smartDashesType = smartDashesType ?? (obscureText ? SmartDashesType.disabled : SmartDashesType.enabled),
smartQuotesType = smartQuotesType ?? (obscureText ? SmartQuotesType.disabled : SmartQuotesType.enabled),
assert(autocorrect != null),
assert(enableSuggestions != null),
assert(keyboardAppearance != null),
assert(inputAction != null),
assert(textCapitalization != null),
assert(enableIMEPersonalizedLearning != null),
assert(enableDeltaModel != null);
}) : smartDashesType = smartDashesType ?? (obscureText ? SmartDashesType.disabled : SmartDashesType.enabled),
smartQuotesType = smartQuotesType ?? (obscureText ? SmartQuotesType.disabled : SmartQuotesType.enabled);
/// The type of information for which to optimize the text input control.
final TextInputType inputType;
@ -746,8 +737,7 @@ class RawFloatingCursorPoint {
RawFloatingCursorPoint({
this.offset,
required this.state,
}) : assert(state != null),
assert(state != FloatingCursorDragState.Update || offset != null);
}) : assert(state != FloatingCursorDragState.Update || offset != null);
/// The raw position of the floating cursor as determined by the iOS sdk.
final Offset? offset;
@ -773,13 +763,7 @@ class TextEditingValue {
this.text = '',
this.selection = const TextSelection.collapsed(offset: -1),
this.composing = TextRange.empty,
}) : assert(text != null),
// The constructor does not verify that `selection` and `composing` are
// valid ranges within `text`, and is unable to do so due to limitation
// of const constructors. Some checks are performed by assertion in
// other occasions. See `_textRangeIsValid`.
assert(selection != null),
assert(composing != null);
});
/// Creates an instance of this class from a JSON object.
factory TextEditingValue.fromJSON(Map<String, dynamic> encoded) {
@ -1300,8 +1284,7 @@ mixin DeltaTextInputClient implements TextInputClient {
/// the system's text input using a [TextInputConnection].
class TextInputConnection {
TextInputConnection._(this._client)
: assert(_client != null),
_id = _nextId++;
: _id = _nextId++;
Size? _cachedSize;
Matrix4? _cachedTransform;
@ -1318,7 +1301,6 @@ class TextInputConnection {
/// application code will likely break text input for the application.
@visibleForTesting
static void debugResetId({int to = 1}) {
assert(to != null);
assert(() {
_nextId = to;
return true;
@ -1395,7 +1377,6 @@ class TextInputConnection {
/// This information is used for positioning the IME candidates menu on each
/// platform.
void setComposingRect(Rect rect) {
assert(rect != null);
if (rect == _cachedRect) {
return;
}
@ -1407,7 +1388,6 @@ class TextInputConnection {
/// Sends the coordinates of caret rect. This is used on macOS for positioning
/// the accent selection menu.
void setCaretRect(Rect rect) {
assert(rect != null);
if (rect == _cachedCaretRect) {
return;
}
@ -1515,7 +1495,6 @@ FloatingCursorDragState _toTextCursorAction(String state) {
}
RawFloatingCursorPoint _toTextPoint(FloatingCursorDragState state, Map<String, dynamic> encoded) {
assert(state != null, 'You must provide a state to set a new editing point.');
assert(encoded['X'] != null, 'You must provide a value for the horizontal location of the floating cursor.');
assert(encoded['Y'] != null, 'You must provide a value for the vertical location of the floating cursor.');
final Offset offset = state == FloatingCursorDragState.Update
@ -1699,8 +1678,6 @@ class TextInput {
/// should call [TextInputConnection.close] on the returned
/// [TextInputConnection].
static TextInputConnection attach(TextInputClient client, TextInputConfiguration configuration) {
assert(client != null);
assert(configuration != null);
final TextInputConnection connection = TextInputConnection._(client);
_instance._attach(connection, configuration);
return connection;
@ -1710,9 +1687,6 @@ class TextInput {
// by [attach] and by [_handleTextInputInvocation] for the
// `TextInputClient.requestExistingInputState` method.
void _attach(TextInputConnection connection, TextInputConfiguration configuration) {
assert(connection != null);
assert(connection._client != null);
assert(configuration != null);
assert(_debugEnsureInputActionWorksOnPlatform(configuration.inputAction));
_currentConnection = connection;
_currentConfiguration = configuration;
@ -1806,7 +1780,6 @@ class TextInput {
// The requestExistingInputState request needs to be handled regardless of
// the client ID, as long as we have a _currentConnection.
if (method == 'TextInputClient.requestExistingInputState') {
assert(_currentConnection!._client != null);
_attach(_currentConnection!, _currentConfiguration);
final TextEditingValue? editingValue = _currentConnection!._client.currentTextEditingValue;
if (editingValue != null) {
@ -1820,7 +1793,6 @@ class TextInput {
// The updateEditingStateWithTag request (autofill) can come up even to a
// text field that doesn't have a connection.
if (method == 'TextInputClient.updateEditingStateWithTag') {
assert(_currentConnection!._client != null);
final TextInputClient client = _currentConnection!._client;
final AutofillScope? scope = client.currentAutofillScope;
final Map<String, dynamic> editingValue = args[1] as Map<String, dynamic>;
@ -1951,14 +1923,12 @@ class TextInput {
}
void _updateConfig(TextInputConfiguration configuration) {
assert(configuration != null);
for (final TextInputControl control in _inputControls) {
control.updateConfig(configuration);
}
}
void _setEditingState(TextEditingValue value) {
assert(value != null);
for (final TextInputControl control in _inputControls) {
control.setEditingState(value);
}
@ -2094,7 +2064,6 @@ class TextInput {
/// * [AutofillGroup.onDisposeAction], a configurable action that runs when a
/// topmost [AutofillGroup] is getting disposed.
static void finishAutofillContext({ bool shouldSave = true }) {
assert(shouldSave != null);
for (final TextInputControl control in TextInput._instance._inputControls) {
control.finishAutofillContext(shouldSave: shouldSave);
}