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GlobalEventHandlers abstract ​

abstract class GlobalEventHandlers implements EventTarget

Implemented types

Implementers

Properties ​

hashCode no setter inherited ​

int get hashCode

The hash code for this object.

A hash code is a single integer which represents the state of the object that affects operator == comparisons.

All objects have hash codes. The default hash code implemented by Object represents only the identity of the object, the same way as the default operator == implementation only considers objects equal if they are identical (see identityHashCode).

If operator == is overridden to use the object state instead, the hash code must also be changed to represent that state, otherwise the object cannot be used in hash based data structures like the default Set and Map implementations.

Hash codes must be the same for objects that are equal to each other according to operator ==. The hash code of an object should only change if the object changes in a way that affects equality. There are no further requirements for the hash codes. They need not be consistent between executions of the same program and there are no distribution guarantees.

Objects that are not equal are allowed to have the same hash code. It is even technically allowed that all instances have the same hash code, but if clashes happen too often, it may reduce the efficiency of hash-based data structures like HashSet or HashMap.

If a subclass overrides hashCode, it should override the operator == operator as well to maintain consistency.

Inherited from Object.

Implementation
dart
external int get hashCode;

on no setter override ​

Events get on

This is an ease-of-use accessor for event streams which should only be used when an explicit accessor is not available.

Implementation
dart
Events get on;

onAbort no setter ​

Stream<Event> get onAbort
Implementation
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Stream<Event> get onAbort => abortEvent.forTarget(this);

onBlur no setter ​

Stream<Event> get onBlur
Implementation
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Stream<Event> get onBlur => blurEvent.forTarget(this);

onCanPlay no setter ​

Stream<Event> get onCanPlay
Implementation
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Stream<Event> get onCanPlay => canPlayEvent.forTarget(this);

onCanPlayThrough no setter ​

Stream<Event> get onCanPlayThrough
Implementation
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Stream<Event> get onCanPlayThrough => canPlayThroughEvent.forTarget(this);

onChange no setter ​

Stream<Event> get onChange
Implementation
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Stream<Event> get onChange => changeEvent.forTarget(this);

onClick no setter ​

Stream<MouseEvent> get onClick
Implementation
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Stream<MouseEvent> get onClick => clickEvent.forTarget(this);

onContextMenu no setter ​

Stream<MouseEvent> get onContextMenu
Implementation
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Stream<MouseEvent> get onContextMenu => contextMenuEvent.forTarget(this);

onDoubleClick no setter ​

Stream<Event> get onDoubleClick
Implementation
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@DomName('GlobalEventHandlers.ondblclick')
Stream<Event> get onDoubleClick => doubleClickEvent.forTarget(this);

onDrag no setter ​

Stream<MouseEvent> get onDrag
Implementation
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Stream<MouseEvent> get onDrag => dragEvent.forTarget(this);

onDragEnd no setter ​

Stream<MouseEvent> get onDragEnd
Implementation
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Stream<MouseEvent> get onDragEnd => dragEndEvent.forTarget(this);

onDragEnter no setter ​

Stream<MouseEvent> get onDragEnter
Implementation
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Stream<MouseEvent> get onDragEnter => dragEnterEvent.forTarget(this);

onDragLeave no setter ​

Stream<MouseEvent> get onDragLeave
Implementation
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Stream<MouseEvent> get onDragLeave => dragLeaveEvent.forTarget(this);

onDragOver no setter ​

Stream<MouseEvent> get onDragOver
Implementation
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Stream<MouseEvent> get onDragOver => dragOverEvent.forTarget(this);

onDragStart no setter ​

Stream<MouseEvent> get onDragStart
Implementation
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Stream<MouseEvent> get onDragStart => dragStartEvent.forTarget(this);

onDrop no setter ​

Stream<MouseEvent> get onDrop
Implementation
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Stream<MouseEvent> get onDrop => dropEvent.forTarget(this);

onDurationChange no setter ​

Stream<Event> get onDurationChange
Implementation
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Stream<Event> get onDurationChange => durationChangeEvent.forTarget(this);

onEmptied no setter ​

Stream<Event> get onEmptied
Implementation
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Stream<Event> get onEmptied => emptiedEvent.forTarget(this);

onEnded no setter ​

Stream<Event> get onEnded
Implementation
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Stream<Event> get onEnded => endedEvent.forTarget(this);

onError no setter ​

Stream<Event> get onError
Implementation
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Stream<Event> get onError => errorEvent.forTarget(this);

onFocus no setter ​

Stream<Event> get onFocus
Implementation
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Stream<Event> get onFocus => focusEvent.forTarget(this);

onInput no setter ​

Stream<Event> get onInput
Implementation
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Stream<Event> get onInput => inputEvent.forTarget(this);

onInvalid no setter ​

Stream<Event> get onInvalid
Implementation
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Stream<Event> get onInvalid => invalidEvent.forTarget(this);

onKeyDown no setter ​

Stream<KeyboardEvent> get onKeyDown
Implementation
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Stream<KeyboardEvent> get onKeyDown => keyDownEvent.forTarget(this);

onKeyPress no setter ​

Stream<KeyboardEvent> get onKeyPress
Implementation
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Stream<KeyboardEvent> get onKeyPress => keyPressEvent.forTarget(this);

onKeyUp no setter ​

Stream<KeyboardEvent> get onKeyUp
Implementation
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Stream<KeyboardEvent> get onKeyUp => keyUpEvent.forTarget(this);

onLoad no setter ​

Stream<Event> get onLoad
Implementation
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Stream<Event> get onLoad => loadEvent.forTarget(this);

onLoadedData no setter ​

Stream<Event> get onLoadedData
Implementation
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Stream<Event> get onLoadedData => loadedDataEvent.forTarget(this);

onLoadedMetadata no setter ​

Stream<Event> get onLoadedMetadata
Implementation
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Stream<Event> get onLoadedMetadata => loadedMetadataEvent.forTarget(this);

onMouseDown no setter ​

Stream<MouseEvent> get onMouseDown
Implementation
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Stream<MouseEvent> get onMouseDown => mouseDownEvent.forTarget(this);

onMouseEnter no setter ​

Stream<MouseEvent> get onMouseEnter
Implementation
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Stream<MouseEvent> get onMouseEnter => mouseEnterEvent.forTarget(this);

onMouseLeave no setter ​

Stream<MouseEvent> get onMouseLeave
Implementation
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Stream<MouseEvent> get onMouseLeave => mouseLeaveEvent.forTarget(this);

onMouseMove no setter ​

Stream<MouseEvent> get onMouseMove
Implementation
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Stream<MouseEvent> get onMouseMove => mouseMoveEvent.forTarget(this);

onMouseOut no setter ​

Stream<MouseEvent> get onMouseOut
Implementation
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Stream<MouseEvent> get onMouseOut => mouseOutEvent.forTarget(this);

onMouseOver no setter ​

Stream<MouseEvent> get onMouseOver
Implementation
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Stream<MouseEvent> get onMouseOver => mouseOverEvent.forTarget(this);

onMouseUp no setter ​

Stream<MouseEvent> get onMouseUp
Implementation
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Stream<MouseEvent> get onMouseUp => mouseUpEvent.forTarget(this);

onMouseWheel no setter ​

Stream<WheelEvent> get onMouseWheel
Implementation
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Stream<WheelEvent> get onMouseWheel => mouseWheelEvent.forTarget(this);

onPause no setter ​

Stream<Event> get onPause
Implementation
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Stream<Event> get onPause => pauseEvent.forTarget(this);

onPlay no setter ​

Stream<Event> get onPlay
Implementation
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Stream<Event> get onPlay => playEvent.forTarget(this);

onPlaying no setter ​

Stream<Event> get onPlaying
Implementation
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Stream<Event> get onPlaying => playingEvent.forTarget(this);

onRateChange no setter ​

Stream<Event> get onRateChange
Implementation
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Stream<Event> get onRateChange => rateChangeEvent.forTarget(this);

onReset no setter ​

Stream<Event> get onReset
Implementation
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Stream<Event> get onReset => resetEvent.forTarget(this);

onResize no setter ​

Stream<Event> get onResize
Implementation
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Stream<Event> get onResize => resizeEvent.forTarget(this);

onScroll no setter ​

Stream<Event> get onScroll
Implementation
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Stream<Event> get onScroll => scrollEvent.forTarget(this);

onSeeked no setter ​

Stream<Event> get onSeeked
Implementation
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Stream<Event> get onSeeked => seekedEvent.forTarget(this);

onSeeking no setter ​

Stream<Event> get onSeeking
Implementation
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Stream<Event> get onSeeking => seekingEvent.forTarget(this);

onSelect no setter ​

Stream<Event> get onSelect
Implementation
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Stream<Event> get onSelect => selectEvent.forTarget(this);

onStalled no setter ​

Stream<Event> get onStalled
Implementation
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Stream<Event> get onStalled => stalledEvent.forTarget(this);

onSubmit no setter ​

Stream<Event> get onSubmit
Implementation
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Stream<Event> get onSubmit => submitEvent.forTarget(this);

onSuspend no setter ​

Stream<Event> get onSuspend
Implementation
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Stream<Event> get onSuspend => suspendEvent.forTarget(this);

onTimeUpdate no setter ​

Stream<Event> get onTimeUpdate
Implementation
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Stream<Event> get onTimeUpdate => timeUpdateEvent.forTarget(this);

onTouchCancel no setter ​

Stream<TouchEvent> get onTouchCancel
Implementation
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Stream<TouchEvent> get onTouchCancel => touchCancelEvent.forTarget(this);

onTouchEnd no setter ​

Stream<TouchEvent> get onTouchEnd
Implementation
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Stream<TouchEvent> get onTouchEnd => touchEndEvent.forTarget(this);

onTouchMove no setter ​

Stream<TouchEvent> get onTouchMove
Implementation
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Stream<TouchEvent> get onTouchMove => touchMoveEvent.forTarget(this);

onTouchStart no setter ​

Stream<TouchEvent> get onTouchStart
Implementation
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Stream<TouchEvent> get onTouchStart => touchStartEvent.forTarget(this);

onVolumeChange no setter ​

Stream<Event> get onVolumeChange
Implementation
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Stream<Event> get onVolumeChange => volumeChangeEvent.forTarget(this);

onWaiting no setter ​

Stream<Event> get onWaiting
Implementation
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Stream<Event> get onWaiting => waitingEvent.forTarget(this);

onWheel no setter ​

Stream<WheelEvent> get onWheel
Implementation
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Stream<WheelEvent> get onWheel => wheelEvent.forTarget(this);

runtimeType no setter inherited ​

Type get runtimeType

A representation of the runtime type of the object.

Inherited from Object.

Implementation
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external Type get runtimeType;

Methods ​

addEventListener() override ​

void addEventListener(
  String type,
  (dynamic Function(Event event))? listener, [
  bool? useCapture,
])
Implementation
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void addEventListener(
  String type,
  dynamic listener(Event event)?, [
  bool? useCapture,
]);

dispatchEvent() override ​

bool dispatchEvent(Event event)
Implementation
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bool dispatchEvent(Event event);

noSuchMethod() inherited ​

dynamic noSuchMethod(Invocation invocation)

Invoked when a nonexistent method or property is accessed.

A dynamic member invocation can attempt to call a member which doesn't exist on the receiving object. Example:

dart
dynamic object = 1;
object.add(42); // Statically allowed, run-time error

This invalid code will invoke the noSuchMethod method of the integer 1 with an Invocation representing the .add(42) call and arguments (which then throws).

Classes can override noSuchMethod to provide custom behavior for such invalid dynamic invocations.

A class with a non-default noSuchMethod invocation can also omit implementations for members of its interface. Example:

dart
class MockList<T> implements List<T> {
  noSuchMethod(Invocation invocation) {
    log(invocation);
    super.noSuchMethod(invocation); // Will throw.
  }
}
void main() {
  MockList().add(42);
}

This code has no compile-time warnings or errors even though the MockList class has no concrete implementation of any of the List interface methods. Calls to List methods are forwarded to noSuchMethod, so this code will log an invocation similar to Invocation.method(#add, [42]) and then throw.

If a value is returned from noSuchMethod, it becomes the result of the original invocation. If the value is not of a type that can be returned by the original invocation, a type error occurs at the invocation.

The default behavior is to throw a NoSuchMethodError.

Inherited from Object.

Implementation
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@pragma("vm:entry-point")
@pragma("wasm:entry-point")
external dynamic noSuchMethod(Invocation invocation);

removeEventListener() override ​

void removeEventListener(
  String type,
  (dynamic Function(Event event))? listener, [
  bool? useCapture,
])
Implementation
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void removeEventListener(
  String type,
  dynamic listener(Event event)?, [
  bool? useCapture,
]);

toString() inherited ​

String toString()

A string representation of this object.

Some classes have a default textual representation, often paired with a static parse function (like int.parse). These classes will provide the textual representation as their string representation.

Other classes have no meaningful textual representation that a program will care about. Such classes will typically override toString to provide useful information when inspecting the object, mainly for debugging or logging.

Inherited from Object.

Implementation
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external String toString();

Operators ​

operator ==() inherited ​

bool operator ==(Object other)

The equality operator.

The default behavior for all Objects is to return true if and only if this object and other are the same object.

Override this method to specify a different equality relation on a class. The overriding method must still be an equivalence relation. That is, it must be:

  • Total: It must return a boolean for all arguments. It should never throw.

  • Reflexive: For all objects o, o == o must be true.

  • Symmetric: For all objects o1 and o2, o1 == o2 and o2 == o1 must either both be true, or both be false.

  • Transitive: For all objects o1, o2, and o3, if o1 == o2 and o2 == o3 are true, then o1 == o3 must be true.

The method should also be consistent over time, so whether two objects are equal should only change if at least one of the objects was modified.

If a subclass overrides the equality operator, it should override the hashCode method as well to maintain consistency.

Inherited from Object.

Implementation
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external bool operator ==(Object other);

Constants ​

abortEvent ​

const EventStreamProvider<Event> abortEvent
Implementation
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static const EventStreamProvider<Event> abortEvent =
    const EventStreamProvider<Event>('abort');

blurEvent ​

const EventStreamProvider<Event> blurEvent
Implementation
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static const EventStreamProvider<Event> blurEvent =
    const EventStreamProvider<Event>('blur');

canPlayEvent ​

const EventStreamProvider<Event> canPlayEvent
Implementation
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static const EventStreamProvider<Event> canPlayEvent =
    const EventStreamProvider<Event>('canplay');

canPlayThroughEvent ​

const EventStreamProvider<Event> canPlayThroughEvent
Implementation
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static const EventStreamProvider<Event> canPlayThroughEvent =
    const EventStreamProvider<Event>('canplaythrough');

changeEvent ​

const EventStreamProvider<Event> changeEvent
Implementation
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static const EventStreamProvider<Event> changeEvent =
    const EventStreamProvider<Event>('change');

clickEvent ​

const EventStreamProvider<MouseEvent> clickEvent
Implementation
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static const EventStreamProvider<MouseEvent> clickEvent =
    const EventStreamProvider<MouseEvent>('click');

contextMenuEvent ​

const EventStreamProvider<MouseEvent> contextMenuEvent
Implementation
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static const EventStreamProvider<MouseEvent> contextMenuEvent =
    const EventStreamProvider<MouseEvent>('contextmenu');

doubleClickEvent ​

const EventStreamProvider<Event> doubleClickEvent
Implementation
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@DomName('GlobalEventHandlers.dblclickEvent')
static const EventStreamProvider<Event> doubleClickEvent =
    const EventStreamProvider<Event>('dblclick');

dragEndEvent ​

const EventStreamProvider<MouseEvent> dragEndEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragEndEvent =
    const EventStreamProvider<MouseEvent>('dragend');

dragEnterEvent ​

const EventStreamProvider<MouseEvent> dragEnterEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragEnterEvent =
    const EventStreamProvider<MouseEvent>('dragenter');

dragEvent ​

const EventStreamProvider<MouseEvent> dragEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragEvent =
    const EventStreamProvider<MouseEvent>('drag');

dragLeaveEvent ​

const EventStreamProvider<MouseEvent> dragLeaveEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragLeaveEvent =
    const EventStreamProvider<MouseEvent>('dragleave');

dragOverEvent ​

const EventStreamProvider<MouseEvent> dragOverEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragOverEvent =
    const EventStreamProvider<MouseEvent>('dragover');

dragStartEvent ​

const EventStreamProvider<MouseEvent> dragStartEvent
Implementation
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static const EventStreamProvider<MouseEvent> dragStartEvent =
    const EventStreamProvider<MouseEvent>('dragstart');

dropEvent ​

const EventStreamProvider<MouseEvent> dropEvent
Implementation
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static const EventStreamProvider<MouseEvent> dropEvent =
    const EventStreamProvider<MouseEvent>('drop');

durationChangeEvent ​

const EventStreamProvider<Event> durationChangeEvent
Implementation
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static const EventStreamProvider<Event> durationChangeEvent =
    const EventStreamProvider<Event>('durationchange');

emptiedEvent ​

const EventStreamProvider<Event> emptiedEvent
Implementation
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static const EventStreamProvider<Event> emptiedEvent =
    const EventStreamProvider<Event>('emptied');

endedEvent ​

const EventStreamProvider<Event> endedEvent
Implementation
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static const EventStreamProvider<Event> endedEvent =
    const EventStreamProvider<Event>('ended');

errorEvent ​

const EventStreamProvider<Event> errorEvent
Implementation
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static const EventStreamProvider<Event> errorEvent =
    const EventStreamProvider<Event>('error');

focusEvent ​

const EventStreamProvider<Event> focusEvent
Implementation
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static const EventStreamProvider<Event> focusEvent =
    const EventStreamProvider<Event>('focus');

inputEvent ​

const EventStreamProvider<Event> inputEvent
Implementation
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static const EventStreamProvider<Event> inputEvent =
    const EventStreamProvider<Event>('input');

invalidEvent ​

const EventStreamProvider<Event> invalidEvent
Implementation
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static const EventStreamProvider<Event> invalidEvent =
    const EventStreamProvider<Event>('invalid');

keyDownEvent ​

const EventStreamProvider<KeyboardEvent> keyDownEvent
Implementation
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static const EventStreamProvider<KeyboardEvent> keyDownEvent =
    const EventStreamProvider<KeyboardEvent>('keydown');

keyPressEvent ​

const EventStreamProvider<KeyboardEvent> keyPressEvent
Implementation
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static const EventStreamProvider<KeyboardEvent> keyPressEvent =
    const EventStreamProvider<KeyboardEvent>('keypress');

keyUpEvent ​

const EventStreamProvider<KeyboardEvent> keyUpEvent
Implementation
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static const EventStreamProvider<KeyboardEvent> keyUpEvent =
    const EventStreamProvider<KeyboardEvent>('keyup');

loadedDataEvent ​

const EventStreamProvider<Event> loadedDataEvent
Implementation
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static const EventStreamProvider<Event> loadedDataEvent =
    const EventStreamProvider<Event>('loadeddata');

loadedMetadataEvent ​

const EventStreamProvider<Event> loadedMetadataEvent
Implementation
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static const EventStreamProvider<Event> loadedMetadataEvent =
    const EventStreamProvider<Event>('loadedmetadata');

loadEvent ​

const EventStreamProvider<Event> loadEvent
Implementation
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static const EventStreamProvider<Event> loadEvent =
    const EventStreamProvider<Event>('load');

mouseDownEvent ​

const EventStreamProvider<MouseEvent> mouseDownEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseDownEvent =
    const EventStreamProvider<MouseEvent>('mousedown');

mouseEnterEvent ​

const EventStreamProvider<MouseEvent> mouseEnterEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseEnterEvent =
    const EventStreamProvider<MouseEvent>('mouseenter');

mouseLeaveEvent ​

const EventStreamProvider<MouseEvent> mouseLeaveEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseLeaveEvent =
    const EventStreamProvider<MouseEvent>('mouseleave');

mouseMoveEvent ​

const EventStreamProvider<MouseEvent> mouseMoveEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseMoveEvent =
    const EventStreamProvider<MouseEvent>('mousemove');

mouseOutEvent ​

const EventStreamProvider<MouseEvent> mouseOutEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseOutEvent =
    const EventStreamProvider<MouseEvent>('mouseout');

mouseOverEvent ​

const EventStreamProvider<MouseEvent> mouseOverEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseOverEvent =
    const EventStreamProvider<MouseEvent>('mouseover');

mouseUpEvent ​

const EventStreamProvider<MouseEvent> mouseUpEvent
Implementation
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static const EventStreamProvider<MouseEvent> mouseUpEvent =
    const EventStreamProvider<MouseEvent>('mouseup');

mouseWheelEvent ​

const EventStreamProvider<WheelEvent> mouseWheelEvent
Implementation
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static const EventStreamProvider<WheelEvent> mouseWheelEvent =
    const EventStreamProvider<WheelEvent>('mousewheel');

pauseEvent ​

const EventStreamProvider<Event> pauseEvent
Implementation
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static const EventStreamProvider<Event> pauseEvent =
    const EventStreamProvider<Event>('pause');

playEvent ​

const EventStreamProvider<Event> playEvent
Implementation
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static const EventStreamProvider<Event> playEvent =
    const EventStreamProvider<Event>('play');

playingEvent ​

const EventStreamProvider<Event> playingEvent
Implementation
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static const EventStreamProvider<Event> playingEvent =
    const EventStreamProvider<Event>('playing');

rateChangeEvent ​

const EventStreamProvider<Event> rateChangeEvent
Implementation
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static const EventStreamProvider<Event> rateChangeEvent =
    const EventStreamProvider<Event>('ratechange');

resetEvent ​

const EventStreamProvider<Event> resetEvent
Implementation
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static const EventStreamProvider<Event> resetEvent =
    const EventStreamProvider<Event>('reset');

resizeEvent ​

const EventStreamProvider<Event> resizeEvent
Implementation
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static const EventStreamProvider<Event> resizeEvent =
    const EventStreamProvider<Event>('resize');

scrollEvent ​

const EventStreamProvider<Event> scrollEvent
Implementation
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static const EventStreamProvider<Event> scrollEvent =
    const EventStreamProvider<Event>('scroll');

seekedEvent ​

const EventStreamProvider<Event> seekedEvent
Implementation
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static const EventStreamProvider<Event> seekedEvent =
    const EventStreamProvider<Event>('seeked');

seekingEvent ​

const EventStreamProvider<Event> seekingEvent
Implementation
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static const EventStreamProvider<Event> seekingEvent =
    const EventStreamProvider<Event>('seeking');

selectEvent ​

const EventStreamProvider<Event> selectEvent
Implementation
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static const EventStreamProvider<Event> selectEvent =
    const EventStreamProvider<Event>('select');

stalledEvent ​

const EventStreamProvider<Event> stalledEvent
Implementation
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static const EventStreamProvider<Event> stalledEvent =
    const EventStreamProvider<Event>('stalled');

submitEvent ​

const EventStreamProvider<Event> submitEvent
Implementation
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static const EventStreamProvider<Event> submitEvent =
    const EventStreamProvider<Event>('submit');

suspendEvent ​

const EventStreamProvider<Event> suspendEvent
Implementation
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static const EventStreamProvider<Event> suspendEvent =
    const EventStreamProvider<Event>('suspend');

timeUpdateEvent ​

const EventStreamProvider<Event> timeUpdateEvent
Implementation
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static const EventStreamProvider<Event> timeUpdateEvent =
    const EventStreamProvider<Event>('timeupdate');

touchCancelEvent ​

const EventStreamProvider<TouchEvent> touchCancelEvent
Implementation
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static const EventStreamProvider<TouchEvent> touchCancelEvent =
    const EventStreamProvider<TouchEvent>('touchcancel');

touchEndEvent ​

const EventStreamProvider<TouchEvent> touchEndEvent
Implementation
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static const EventStreamProvider<TouchEvent> touchEndEvent =
    const EventStreamProvider<TouchEvent>('touchend');

touchMoveEvent ​

const EventStreamProvider<TouchEvent> touchMoveEvent
Implementation
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static const EventStreamProvider<TouchEvent> touchMoveEvent =
    const EventStreamProvider<TouchEvent>('touchmove');

touchStartEvent ​

const EventStreamProvider<TouchEvent> touchStartEvent
Implementation
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static const EventStreamProvider<TouchEvent> touchStartEvent =
    const EventStreamProvider<TouchEvent>('touchstart');

volumeChangeEvent ​

const EventStreamProvider<Event> volumeChangeEvent
Implementation
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static const EventStreamProvider<Event> volumeChangeEvent =
    const EventStreamProvider<Event>('volumechange');

waitingEvent ​

const EventStreamProvider<Event> waitingEvent
Implementation
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static const EventStreamProvider<Event> waitingEvent =
    const EventStreamProvider<Event>('waiting');

wheelEvent ​

const EventStreamProvider<WheelEvent> wheelEvent
Implementation
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static const EventStreamProvider<WheelEvent> wheelEvent =
    const EventStreamProvider<WheelEvent>('wheel');