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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // The ID of the extension we want to talk to. |
| 6 var fileBrowserExtensionId = "ddammdhioacbehjngdmkjcjbnfginlla"; |
| 7 |
| 8 function errorCallback(error) { |
| 9 var msg = ''; |
| 10 if (!error.code) { |
| 11 msg = error.message; |
| 12 } else { |
| 13 switch (error.code) { |
| 14 case FileError.QUOTA_EXCEEDED_ERR: |
| 15 msg = 'QUOTA_EXCEEDED_ERR'; |
| 16 break; |
| 17 case FileError.NOT_FOUND_ERR: |
| 18 msg = 'NOT_FOUND_ERR'; |
| 19 break; |
| 20 case FileError.SECURITY_ERR: |
| 21 msg = 'SECURITY_ERR'; |
| 22 break; |
| 23 case FileError.INVALID_MODIFICATION_ERR: |
| 24 msg = 'INVALID_MODIFICATION_ERR'; |
| 25 break; |
| 26 case FileError.INVALID_STATE_ERR: |
| 27 msg = 'INVALID_STATE_ERR'; |
| 28 break; |
| 29 default: |
| 30 msg = 'Unknown Error'; |
| 31 break; |
| 32 }; |
| 33 } |
| 34 |
| 35 chrome.extension.sendRequest(fileBrowserExtensionId, |
| 36 {fileContent: null, |
| 37 error: {message: "File handler error: " + msg}}, |
| 38 function(response) {}); |
| 39 }; |
| 40 |
| 41 function onGotEntryByUrl(entry) { |
| 42 var reader = new FileReader(); |
| 43 reader.onloadend = function(e) { |
| 44 // Send data back to the file browser extension |
| 45 chrome.extension.sendRequest( |
| 46 fileBrowserExtensionId, |
| 47 {fileContent: reader.result, error: null}, |
| 48 function(response) {}); |
| 49 }; |
| 50 reader.onerror = function(e) { |
| 51 errorCallback(reader.error); |
| 52 }; |
| 53 entry.file(function(file) { |
| 54 reader.readAsText(file); |
| 55 }, |
| 56 errorCallback); |
| 57 }; |
| 58 |
| 59 function readEntryByUrl(entryUrl) { |
| 60 window.webkitResolveLocalFileSystemURL(entryUrl, onGotEntryByUrl, |
| 61 errorCallback); |
| 62 }; |
| 63 |
| 64 readEntryByUrl(localStorage.entryURL); |
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