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feat: Add native filesystem folder picker
Also adds preliminary implementation of the WASM native version of StorageFolder
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| namespace Uno.Utils { | ||
| export class Guid { | ||
| public static NewGuid(): string { | ||
| return (([1e7] as any) + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, (c: any) => | ||
| (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16) | ||
| ); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| namespace Windows.Storage.Pickers { | ||
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| export class FolderPicker { | ||
| public static async ShowFolderPicker(): Promise<string> { | ||
| const selectedFolder = await showDirectoryPicker(); | ||
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| const guid = Uno.Utils.Guid.NewGuid(); | ||
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| StorageFolderNative.AddHandle(guid, selectedFolder); | ||
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| return guid; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| | ||
| namespace Windows.Storage { | ||
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| export class StorageFolderNative { | ||
| private static _folderMap: Map<string, FileSystemDirectoryHandle> = new Map<string, FileSystemDirectoryHandle>(); | ||
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| public static AddHandle(guid: string, handle: FileSystemDirectoryHandle) { | ||
| this._folderMap.set(guid, handle); | ||
| } | ||
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| public static RemoveHandle(guid: string) { | ||
| this._folderMap.delete(guid); | ||
| } | ||
|
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| public static GetHandle(guid: string): FileSystemDirectoryHandle { | ||
| return this._folderMap.get(guid); | ||
| } | ||
|
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| /** | ||
| * Creates a new folder inside another folder. | ||
| * @param parentGuid The GUID of the folder to create in. | ||
| * @param folderName The name of the new folder. | ||
| */ | ||
| public static async CreateFolderAsync(parentGuid: string, folderName: string): Promise<string> { | ||
| const parentHandle = this.GetHandle(parentGuid); | ||
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| const newDirectoryHandle = await parentHandle.getDirectoryHandle(folderName, { | ||
| create: true, | ||
| }); | ||
|
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| var guid = Uno.Utils.Guid.NewGuid(); | ||
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| this.AddHandle(guid, newDirectoryHandle); | ||
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| return guid; | ||
| } | ||
|
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| /** | ||
| * Gets a folder in the given parent folder by name. | ||
| * @param parentGuid The GUID of the parent folder to get. | ||
| * @param folderName The name of the folder to look for. | ||
| * @returns A GUID of the folder if found, other "notfound" literal. | ||
| */ | ||
| public static async GetFolderAsync(parentGuid: string, folderName: string): Promise<string> { | ||
| const parentHandle = this.GetHandle(parentGuid); | ||
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| let nestedDirectoryHandle: FileSystemDirectoryHandle = undefined; | ||
| let returnedGuid = Uno.Utils.Guid.NewGuid(); | ||
|
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| try { | ||
| nestedDirectoryHandle = await parentHandle.getDirectoryHandle(folderName); | ||
| } catch (ex) { | ||
| if (ex instanceof DOMException && (ex as DOMException).message.includes("could not be found")) { | ||
| returnedGuid = "notfound"; | ||
| } | ||
| } | ||
|
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| if (nestedDirectoryHandle) | ||
| this.AddHandle(returnedGuid, nestedDirectoryHandle); | ||
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| return returnedGuid; | ||
| } | ||
| } | ||
| } |
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