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https://gitee.com/openharmony/interface_sdk-js
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add emitter supports string id
Signed-off-by: xinking129 <xinxin13@huawei.com>
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api/@ohos.events.emitter.d.ts
vendored
97
api/@ohos.events.emitter.d.ts
vendored
@ -50,6 +50,17 @@ declare namespace emitter {
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*/
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function on(event: InnerEvent, callback: Callback<EventData>): void;
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/**
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* Subscribe to a event by specific id in persistent manner and receives the event callback.
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*
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* @param { string } eventId - indicate ID of the event to subscribe to.
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* @param { Callback<EventData> } callback - indicate callback used to receive the event.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function on(eventId: string, callback: Callback<EventData>): void;
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/**
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* Subscribe to a certain event in one-shot manner and unsubscribe from it
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* after the event callback is received.
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@ -71,6 +82,18 @@ declare namespace emitter {
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*/
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function once(event: InnerEvent, callback: Callback<EventData>): void;
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/**
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* Subscribe to a event by specific id in one-shot manner and unsubscribe from it
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* after the event callback is received.
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*
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* @param { string } eventId - indicate ID of the event to subscribe to in one shot.
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* @param { Callback<EventData> } callback - indicate callback used to receive the event.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function once(eventId: string, callback: Callback<EventData>): void;
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/**
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* Unsubscribe from an event.
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*
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@ -88,6 +111,16 @@ declare namespace emitter {
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*/
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function off(eventId: number): void;
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/**
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* Unsubscribe from an event.
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*
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* @param { string } eventId - indicate ID of the event to unsubscribe from.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function off(eventId: string): void;
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/**
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* Unsubscribe from an event.
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*
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@ -107,6 +140,17 @@ declare namespace emitter {
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*/
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function off(eventId: number, callback: Callback<EventData>): void;
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/**
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* Unsubscribe from an event.
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*
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* @param { string } eventId - indicates ID of the event to unsubscribe from.
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* @param { Callback<EventData> } callback - indicates callback used to receive the event.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function off(eventId: string, callback: Callback<EventData>): void;
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/**
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* Emits an event to the event queue.
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*
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@ -126,6 +170,40 @@ declare namespace emitter {
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*/
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function emit(event: InnerEvent, data?: EventData): void;
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/**
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* Emits an event by specific id to the event queue.
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*
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* @param { string } eventId - indicate ID of the event to emit.
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* @param { EventData } [data] - indicate data carried by the event.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function emit(eventId: string, data?: EventData): void;
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/**
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* Emits an event by specific id to the event queue.
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*
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* @param { string } eventId - indicate ID of the event to emit.
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* @param { Options } options - Indicates the {@link Options} option of the emit priority of the event.
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* @param { EventData } [data] - indicate data carried by the event.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function emit(eventId: string, options: Options, data?: EventData): void;
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/**
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* Obtains the number of subscribe listener count.
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*
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* @param { number | string } eventId - indicates ID of the event to unsubscribe from.
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* @returns { number } Returns the number of listener count.
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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function getListenerCount(eventId: number | string): number;
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/**
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* Describes data passed in the event.
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*
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@ -287,6 +365,25 @@ declare namespace emitter {
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*/
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IDLE,
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}
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/**
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* Describe the optional arguments of emit operation.
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*
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* @typedef Options
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* @syscap SystemCapability.Notification.Emitter
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* @since 11
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*/
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export interface Options {
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/**
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* Emit priority of the event. The default priority is {@link EventPriority.LOW}.
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*
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* @type { ?EventPriority }
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* @syscap SystemCapability.Notification.Emitter
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* @atomicservice
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* @since 11
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*/
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priority?: EventPriority;
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}
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}
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export default emitter;
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