30 lines
1.0 KiB
TypeScript
30 lines
1.0 KiB
TypeScript
import { LocationCallback, LocationHeadingCallback } from './Location.types';
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declare type EventObject = {
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watchId: number;
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[key: string]: any;
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};
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declare class Subscriber<CallbackType extends LocationCallback | LocationHeadingCallback> {
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private eventName;
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private eventDataField;
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private callbacks;
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private eventSubscription;
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constructor(eventName: string, eventDataField: string);
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maybeInitializeSubscription(): void;
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/**
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* Registers given callback under new id which is then returned.
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*/
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registerCallback(callback: CallbackType): number;
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/**
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* Unregisters a callback with given id and revokes the subscription if possible.
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*/
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unregisterCallback(id: number): void;
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trigger(event: EventObject): void;
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}
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export declare const LocationSubscriber: Subscriber<LocationCallback>;
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export declare const HeadingSubscriber: Subscriber<LocationHeadingCallback>;
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/**
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* Necessary for some unit tests.
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*/
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export declare function _getCurrentWatchId(): number;
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export {};
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