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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,87 +1,91 @@ | ||
| import { NativeEventEmitter, NativeModules } from 'react-native' | ||
| import { NativeEventEmitter, NativeModules } from "react-native"; | ||
|
|
||
| import type { EmitterSubscription } from 'react-native' | ||
| import type { EmitterSubscription } from "react-native"; | ||
|
|
||
| import type { | ||
| Source, | ||
| PreloadProgressHandler, | ||
| PreloadCompletionHandler, | ||
| } from './index' | ||
| } from "./index"; | ||
|
|
||
| const nativeManager = NativeModules.FastImagePreloaderManager | ||
| const nativeEmitter = new NativeEventEmitter(nativeManager) | ||
| const nativeManager = NativeModules.FastImagePreloaderManager; | ||
| const nativeEmitter = new NativeEventEmitter(nativeManager); | ||
|
|
||
| type PreloadCallbacks = { | ||
| onProgress?: PreloadProgressHandler | ||
| onComplete?: PreloadCompletionHandler | ||
| } | ||
| onProgress?: PreloadProgressHandler; | ||
| onComplete?: PreloadCompletionHandler; | ||
| }; | ||
|
|
||
| type OnProgressParams = { | ||
| id: number | ||
| finished: number | ||
| total: number | ||
| } | ||
| id: number; | ||
| finished: number; | ||
| total: number; | ||
| }; | ||
|
|
||
| type OnCompleteParams = { | ||
| id: number | ||
| finished: number | ||
| skipped: number | ||
| } | ||
| id: number; | ||
| finished: number; | ||
| skipped: number; | ||
| }; | ||
|
|
||
| class PreloaderManager { | ||
| _instances: Map<number, PreloadCallbacks> = new Map() | ||
| _subProgress!: EmitterSubscription | ||
| _subComplete!: EmitterSubscription | ||
| _instances: Map<number, PreloadCallbacks> = new Map(); | ||
| _subProgress!: EmitterSubscription; | ||
| _subComplete!: EmitterSubscription; | ||
|
|
||
| preload( | ||
| sources: Source[], | ||
| onProgress?: PreloadProgressHandler, | ||
| onComplete?: PreloadCompletionHandler, | ||
| onComplete?: PreloadCompletionHandler | ||
| ) { | ||
| nativeManager.createPreloader().then((id: number) => { | ||
| if (this._instances.size === 0) { | ||
| this._subProgress = nativeEmitter.addListener( | ||
| 'fffastimage-progress', | ||
| this.onProgress.bind(this), | ||
| ) | ||
| "fffastimage-progress", | ||
| this.onProgress.bind(this) | ||
| ); | ||
| this._subComplete = nativeEmitter.addListener( | ||
| 'fffastimage-complete', | ||
| this.onComplete.bind(this), | ||
| ) | ||
| "fffastimage-complete", | ||
| this.onComplete.bind(this) | ||
| ); | ||
| } | ||
|
|
||
| this._instances.set(id, { onProgress, onComplete }) | ||
| this._instances.set(id, { onProgress, onComplete }); | ||
|
|
||
| nativeManager.preload(id, sources) | ||
| }) | ||
| nativeManager.preload(id, sources); | ||
| }); | ||
| } | ||
|
|
||
| onProgress({ id, finished, total }: OnProgressParams) { | ||
| const instance = this._instances.get(id) | ||
| const instance = this._instances.get(id); | ||
|
|
||
| if (instance && instance.onProgress) | ||
| instance.onProgress(finished, total) | ||
| instance.onProgress(finished, total); | ||
| } | ||
|
|
||
| onComplete({ id, finished, skipped }: OnCompleteParams) { | ||
| const instance = this._instances.get(id) | ||
| const instance = this._instances.get(id); | ||
|
|
||
| if (instance && instance.onComplete) | ||
| instance.onComplete(finished, skipped) | ||
| instance.onComplete(finished, skipped); | ||
|
|
||
| this._instances.delete(id) | ||
| this._instances.delete(id); | ||
|
|
||
| if ( | ||
| this._instances.size === 0 && | ||
| this._subProgress && | ||
| this._subComplete | ||
| ) { | ||
| this._subProgress.remove() | ||
| this._subComplete.remove() | ||
| this._subProgress.remove(); | ||
| this._subComplete.remove(); | ||
| } | ||
| } | ||
|
|
||
| setDiskCacheSize(maxSizeInBytes: number) { | ||
| return nativeManager.setDiskCacheSize(maxSizeInBytes); | ||
| } | ||
| } | ||
|
|
||
| const preloaderManager = new PreloaderManager() | ||
| const preloaderManager = new PreloaderManager(); | ||
|
|
||
| export default preloaderManager | ||
| export default preloaderManager; |
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