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Use of HTML5 FileSystem API
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| #= require jquery | |
| #= require jquery_ujs | |
| #= require_tree . | |
| $(document).ready -> | |
| window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem | |
| window.fs = null | |
| initFS = (-> | |
| window.requestFileSystem window.TEMPORARY, 1024*1024, (filesystem) -> | |
| window.fs = filesystem | |
| , (e) -> | |
| console.log e.code | |
| setTimeout -> | |
| dirReader = fs.root.createReader() | |
| dirReader.readEntries (entries) -> | |
| if !entries.length | |
| console.log 'Filesystem is empty.' | |
| else | |
| for entry in entries | |
| entry.file (file) -> | |
| fileURL = URL.createObjectURL(file) | |
| if file.type == 'application/x-shockwave-flash' | |
| flashNode = document.querySelector('#flash-container') | |
| flashNode.data = fileURL | |
| else | |
| videoNode = document.querySelector('video') | |
| videoNode.src = fileURL | |
| videoNode.pause() | |
| , -> | |
| null | |
| , 500 | |
| ) | |
| loadSelectedFile = (event) -> | |
| URL = window.URL || window.webkitURL | |
| file = this.files[0] | |
| type = file.type | |
| window.fs.root.getFile file.name, {create: true}, | |
| (fileEntry) -> | |
| # create a writer that can put data in the file | |
| fileEntry.createWriter (writer) -> | |
| writer.onwriteend = -> | |
| console.log 'finished!' | |
| # this will read the contents of the current file | |
| fr = new FileReader | |
| fr.onloadend = -> | |
| blob = new Blob([fr.result]) | |
| writer.write blob | |
| console.log fr.readAsArrayBuffer(file) | |
| , (e) -> | |
| console.log e.code | |
| inputNode = document.querySelector('input') | |
| inputNode.addEventListener('change', loadSelectedFile, false) | |
| initFS() |
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| <html> | |
| <head> | |
| <title>POC browser video</title> | |
| <%= stylesheet_link_tag "application", :media => "all" %> | |
| <%= javascript_include_tag "application" %> | |
| <%= csrf_meta_tags %> | |
| </head> | |
| <body> | |
| <h1>HTML5 local video file player example</h1> | |
| <div id="message"></div> | |
| <input type="file" accept="video/*"/> | |
| <video controls autoplay></video> | |
| <object id='flash-container' type="application/x-shockwave-flash" width="500" height="500"></object> | |
| </body> | |
| </html> |
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