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@ -1,16 +1,20 @@
@@ -1,16 +1,20 @@
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import {bytesToArrayBuffer, blobSafeMimeType, blobConstruct, bytesToBase64} from './bin_utils'; |
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class FileManager { |
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/* $window.URL = $window.URL || $window.webkitURL |
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$window.BlobBuilder = $window.BlobBuilder || $window.WebKitBlobBuilder || $window.MozBlobBuilder */ |
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import 'web-streams-polyfill/ponyfill'; |
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// @ts-ignore
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import streamSaver from 'streamsaver'; |
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if(window.location.href.indexOf('localhost') === -1) { |
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streamSaver.mitm = 'mitm.html'; |
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} |
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class FileManager { |
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public isSafari = 'safari' in window; |
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public safariVersion = parseFloat(this.isSafari && (navigator.userAgent.match(/Version\/(\d+\.\d+).* Safari/) || [])[1]); |
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public safariWithDownload = this.isSafari && this.safariVersion >= 11.0; |
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public buggyUnknownBlob = this.isSafari && !this.safariWithDownload; |
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public blobSupported = true; |
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constructor() { |
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try { |
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blobConstruct([], ''); |
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@ -18,12 +22,12 @@ class FileManager {
@@ -18,12 +22,12 @@ class FileManager {
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this.blobSupported = false; |
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} |
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} |
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public isAvailable() { |
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return this.blobSupported; |
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} |
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public copy(fromFileEntry: any, toFileEntry: any) { |
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/* public copy(fromFileEntry: any, toFileEntry: any) { |
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return this.getFileWriter(toFileEntry).then((fileWriter) => { |
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return this.write(fileWriter, fromFileEntry).then(() => { |
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return fileWriter; |
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@ -32,13 +36,28 @@ class FileManager {
@@ -32,13 +36,28 @@ class FileManager {
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// @ts-ignore
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fileWriter.truncate(0); |
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} catch (e) {} |
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return Promise.reject(error); |
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}); |
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}); |
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} */ |
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public copy(fromFileEntry: any, toFileEntry: any) { |
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return this.write(toFileEntry, fromFileEntry).then(() => { |
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console.log('copy success'); |
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return toFileEntry; |
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}, (error: any) => { |
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console.error('copy error 1:', error); |
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try { |
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toFileEntry.truncate(0); |
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} catch(e) { |
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console.error('copy error', e); |
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} |
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return Promise.reject(error); |
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}); |
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} |
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public write(fileWriter: any, bytes: any) { |
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/* public write(fileWriter: any, bytes: any) { |
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return new Promise((resolve, reject) => { |
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fileWriter.onwriteend = function(e: any) { |
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resolve(); |
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@ -46,7 +65,7 @@ class FileManager {
@@ -46,7 +65,7 @@ class FileManager {
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fileWriter.onerror = function(e: any) { |
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reject(e); |
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}; |
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if(bytes.file) { |
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bytes.file((file: any) => { |
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fileWriter.write(file); |
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@ -62,54 +81,52 @@ class FileManager {
@@ -62,54 +81,52 @@ class FileManager {
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} |
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} |
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}); |
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} |
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} */ |
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public write(fileWriter: any, bytes: any): Promise<void> { |
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if(bytes.file) { |
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return bytes.file((file: any) => { |
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return fileWriter.write(file); |
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}); |
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} else if(bytes instanceof Blob) { // is file bytes
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return new Promise((resolve, reject) => { |
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let fileReader = new FileReader(); |
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fileReader.onload = function(event) { |
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let arrayBuffer = event.target.result as ArrayBuffer; |
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public chooseSaveFile(fileName: string, ext: string, mimeType: string) { |
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return Promise.reject(); |
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/* if(!window.chrome || !chrome.fileSystem || !chrome.fileSystem.chooseEntry) { |
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//return qSync.reject()
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return Promise.reject(); |
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} |
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var deferred = $q.defer() |
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let arr = new Uint8Array(arrayBuffer); |
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chrome.fileSystem.chooseEntry({ |
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type: 'saveFile', |
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suggestedName: fileName, |
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accepts: [{ |
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mimeTypes: [mimeType], |
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extensions: [ext] |
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}] |
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}, function (writableFileEntry) { |
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deferred.resolve(writableFileEntry) |
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}) |
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fileWriter.write(arr).then(resolve, reject); |
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}; |
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return deferred.promise */ |
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fileReader.readAsArrayBuffer(bytes); |
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}); |
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} else { |
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//var blob = blobConstruct([bytesToArrayBuffer(bytes)]);
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//return fileWriter.write(blob);
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return fileWriter.write(bytes); |
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} |
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} |
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public getFileWriter(fileEntry: any) { |
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return new Promise((resolve, reject) => { |
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fileEntry.createWriter(resolve, reject); |
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public chooseSaveFile(fileName: string, ext: string, mimeType: string, size?: number): any { |
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let fileStream = streamSaver.createWriteStream(fileName, { |
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size: size, |
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writableStrategy: undefined, |
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readableStrategy: undefined |
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}); |
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let writer = fileStream.getWriter(); |
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return writer; |
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} |
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public getFakeFileWriter(mimeType: string, saveFileCallback: any) { |
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var blobParts: Array<Blob> = []; |
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var fakeFileWriter: any = { |
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write: (blob: Blob) => { |
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var fakeFileWriter = { |
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write: async(blob: Blob) => { |
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if(!this.blobSupported) { |
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if(fakeFileWriter.onerror) { |
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fakeFileWriter.onerror(new Error('Blob not supported by browser')); |
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} |
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return false; |
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throw false; |
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} |
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blobParts.push(blob); |
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setTimeout(() => { |
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if(fakeFileWriter.onwriteend) { |
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fakeFileWriter.onwriteend(); |
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} |
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}, 0); |
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}, |
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truncate: () => { |
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blobParts = []; |
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@ -119,14 +136,14 @@ class FileManager {
@@ -119,14 +136,14 @@ class FileManager {
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if(saveFileCallback) { |
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saveFileCallback(blob); |
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} |
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return blob; |
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} |
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}; |
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return fakeFileWriter; |
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} |
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public getUrl(fileData: any, mimeType: string) { |
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var safeMimeType = blobSafeMimeType(mimeType); |
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// console.log(dT(), 'get url', fileData, mimeType, fileData.toURL !== undefined, fileData instanceof Blob)
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@ -138,7 +155,7 @@ class FileManager {
@@ -138,7 +155,7 @@ class FileManager {
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} |
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return 'data:' + safeMimeType + ';base64,' + bytesToBase64(fileData); |
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} |
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public getByteArray(fileData: any) { |
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if(fileData instanceof Blob) { |
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return new Promise((resolve, reject) => { |
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@ -146,7 +163,7 @@ class FileManager {
@@ -146,7 +163,7 @@ class FileManager {
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var reader = new FileReader(); |
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reader.onloadend = (e) => { |
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// @ts-ignore
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resolve(new Uint8Array(e.target.result)); |
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resolve(new Uint8Array(e.target.result)); |
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}; |
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reader.onerror = (e) => { |
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reject(e); |
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@ -163,11 +180,11 @@ class FileManager {
@@ -163,11 +180,11 @@ class FileManager {
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}, reject); |
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}); |
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} |
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return Promise.resolve(fileData); |
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//return $q.when(fileData);
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} |
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public getDataUrl(blob: any) { |
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return new Promise((resolve, reject) => { |
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try { |
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@ -181,7 +198,7 @@ class FileManager {
@@ -181,7 +198,7 @@ class FileManager {
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} |
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}); |
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} |
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public getFileCorrectUrl(blob: any, mimeType: string) { |
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if(this.buggyUnknownBlob && blob instanceof Blob) { |
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// @ts-ignore
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@ -190,48 +207,48 @@ class FileManager {
@@ -190,48 +207,48 @@ class FileManager {
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return this.getDataUrl(blob); |
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} |
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} |
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return Promise.resolve(this.getUrl(blob, mimeType)); |
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} |
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// downloadFile
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public download(blob: any, mimeType: string, fileName: string) { |
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if(window.navigator && navigator.msSaveBlob !== undefined) { |
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window.navigator.msSaveBlob(blob, fileName); |
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return false; |
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} |
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if(window.navigator && 'getDeviceStorage' in navigator) { |
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var storageName = 'sdcard'; |
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var subdir = 'telegram/'; |
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switch(mimeType.split('/')[0]) { |
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case 'video': |
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storageName = 'videos'; |
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break; |
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storageName = 'videos'; |
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break; |
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case 'audio': |
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storageName = 'music'; |
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break; |
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storageName = 'music'; |
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break; |
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case 'image': |
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storageName = 'pictures'; |
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break; |
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storageName = 'pictures'; |
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break; |
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} |
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// @ts-ignore
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var deviceStorage = navigator.getDeviceStorage(storageName); |
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var request = deviceStorage.addNamed(blob, subdir + fileName); |
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request.onsuccess = function () { |
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console.log('Device storage save result', this.result); |
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}; |
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request.onerror = () => {}; |
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return; |
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} |
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var popup: Window; |
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if(this.isSafari && !this.safariWithDownload) { |
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popup = window.open(); |
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} |
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this.getFileCorrectUrl(blob, mimeType).then((url) => { |
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if(popup) { |
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try { |
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@ -240,7 +257,7 @@ class FileManager {
@@ -240,7 +257,7 @@ class FileManager {
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return; |
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} catch (e) {} |
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} |
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var anchor = document.createElementNS('http://www.w3.org/1999/xhtml', 'a') as HTMLAnchorElement; |
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anchor.href = url as string; |
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if(!this.safariWithDownload) { |
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@ -254,29 +271,30 @@ class FileManager {
@@ -254,29 +271,30 @@ class FileManager {
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anchor.style.position = 'absolute'; |
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anchor.style.top = '1px'; |
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anchor.style.left = '1px'; |
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document.body.append(anchor); |
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try { |
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var clickEvent = document.createEvent('MouseEvents'); |
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clickEvent.initMouseEvent( |
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'click', true, false, window, 0, 0, 0, 0, 0 |
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, false, false, false, false, 0, null |
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) |
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anchor.dispatchEvent(clickEvent); |
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} catch (e) { |
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console.error('Download click error', e); |
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try { |
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anchor.click(); |
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) |
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anchor.dispatchEvent(clickEvent); |
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} catch (e) { |
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window.open(url as string, '_blank'); |
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console.error('Download click error', e); |
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try { |
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anchor.click(); |
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} catch (e) { |
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window.open(url as string, '_blank'); |
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} |
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} |
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} |
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setTimeout(() => { |
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anchor.remove(); |
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}, 100); |
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}) |
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setTimeout(() => { |
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anchor.remove(); |
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}, 100); |
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}) |
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} |
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} |
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} |
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export default new FileManager(); |
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export default new FileManager(); |
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Eduard Kuzmenko
5 years ago