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Side by Side Diff: chrome/renderer/resources/extensions/file_system_custom_bindings.js

Issue 329853010: Additional methods for chrome.logPrivate API (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 6 years, 4 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Custom binding for the fileSystem API. 5 // Custom binding for the fileSystem API.
6 6
7 var binding = require('binding').Binding.create('fileSystem'); 7 var binding = require('binding').Binding.create('fileSystem');
8 var sendRequest = require('sendRequest');
8 9
9 var fileSystemNatives = requireNative('file_system_natives'); 10 var getFileBindingsForApi =
10 var GetIsolatedFileSystem = fileSystemNatives.GetIsolatedFileSystem; 11 require('fileEntryBindingUtil').getFileBindingsForApi;
11 var lastError = require('lastError'); 12 var fileBindings = getFileBindingsForApi('fileSystem');
12 var sendRequest = require('sendRequest'); 13 var bindFileEntryCallback = fileBindings.bindFileEntryCallback;
13 var GetModuleSystem = requireNative('v8_context').GetModuleSystem; 14 var entryIdManager = fileBindings.entryIdManager;
14 // TODO(sammc): Don't require extension. See http://crbug.com/235689.
15 var GetExtensionViews = requireNative('runtime').GetExtensionViews;
16
17 // Fallback to using the current window if no background page is running.
18 var backgroundPage = GetExtensionViews(-1, 'BACKGROUND')[0] || window;
19 var backgroundPageModuleSystem = GetModuleSystem(backgroundPage);
20
21 // All windows use the bindFileEntryCallback from the background page so their
22 // FileEntry objects have the background page's context as their own. This
23 // allows them to be used from other windows (including the background page)
24 // after the original window is closed.
25 if (window == backgroundPage) {
26 var bindFileEntryCallback = function(functionName, apiFunctions) {
27 apiFunctions.setCustomCallback(functionName,
28 function(name, request, response) {
29 if (request.callback && response) {
30 var callback = request.callback;
31 request.callback = null;
32
33 var entries = [];
34 var hasError = false;
35
36 var getEntryError = function(fileError) {
37 if (!hasError) {
38 hasError = true;
39 lastError.run(
40 'fileSystem.' + functionName,
41 'Error getting fileEntry, code: ' + fileError.code,
42 request.stack,
43 callback);
44 }
45 }
46
47 // Loop through the response entries and asynchronously get the
48 // FileEntry for each. We use hasError to ensure that only the first
49 // error is reported. Note that an error can occur either during the
50 // loop or in the asynchronous error callback to getFile.
51 $Array.forEach(response.entries, function(entry) {
52 if (hasError)
53 return;
54 var fileSystemId = entry.fileSystemId;
55 var baseName = entry.baseName;
56 var id = entry.id;
57 var fs = GetIsolatedFileSystem(fileSystemId);
58
59 try {
60 var getEntryCallback = function(fileEntry) {
61 if (hasError)
62 return;
63 entryIdManager.registerEntry(id, fileEntry);
64 entries.push(fileEntry);
65 // Once all entries are ready, pass them to the callback. In the
66 // event of an error, this condition will never be satisfied so
67 // the callback will not be called with any entries.
68 if (entries.length == response.entries.length) {
69 if (response.multiple) {
70 sendRequest.safeCallbackApply(
71 'fileSystem.' + functionName, request, callback,
72 [entries]);
73 } else {
74 sendRequest.safeCallbackApply(
75 'fileSystem.' + functionName, request, callback,
76 [entries[0]]);
77 }
78 }
79 }
80 // TODO(koz): fs.root.getFile() makes a trip to the browser process,
81 // but it might be possible avoid that by calling
82 // WebDOMFileSystem::createV8Entry().
83 if (entry.isDirectory) {
84 fs.root.getDirectory(baseName, {}, getEntryCallback,
85 getEntryError);
86 } else {
87 fs.root.getFile(baseName, {}, getEntryCallback, getEntryError);
88 }
89 } catch (e) {
90 if (!hasError) {
91 hasError = true;
92 lastError.run('fileSystem.' + functionName,
93 'Error getting fileEntry: ' + e.stack,
94 request.stack,
95 callback);
96 }
97 }
98 });
99 }
100 });
101 };
102 var entryIdManager = require('entryIdManager');
103 } else {
104 // Force the fileSystem API to be loaded in the background page. Using
105 // backgroundPageModuleSystem.require('fileSystem') is insufficient as
106 // requireNative is only allowed while lazily loading an API.
107 backgroundPage.chrome.fileSystem;
108 var bindFileEntryCallback = backgroundPageModuleSystem.require(
109 'fileSystem').bindFileEntryCallback;
110 var entryIdManager = backgroundPageModuleSystem.require('entryIdManager');
111 }
112 15
113 binding.registerCustomHook(function(bindingsAPI) { 16 binding.registerCustomHook(function(bindingsAPI) {
114 var apiFunctions = bindingsAPI.apiFunctions; 17 var apiFunctions = bindingsAPI.apiFunctions;
115 var fileSystem = bindingsAPI.compiledApi; 18 var fileSystem = bindingsAPI.compiledApi;
116 19
117 function bindFileEntryFunction(functionName) { 20 function bindFileEntryFunction(functionName) {
118 apiFunctions.setUpdateArgumentsPostValidate( 21 apiFunctions.setUpdateArgumentsPostValidate(
119 functionName, function(fileEntry, callback) { 22 functionName, function(fileEntry, callback) {
120 var fileSystemName = fileEntry.filesystem.name; 23 var fileSystemName = fileEntry.filesystem.name;
121 var relativePath = $String.slice(fileEntry.fullPath, 1); 24 var relativePath = $String.slice(fileEntry.fullPath, 1);
(...skipping 69 matching lines...) Expand 10 before | Expand all | Expand 10 after
191 94
192 fileSystem.chooseFile = function() { 95 fileSystem.chooseFile = function() {
193 console.log("chrome.fileSystem.chooseFile is deprecated"); 96 console.log("chrome.fileSystem.chooseFile is deprecated");
194 console.log("Please use chrome.fileSystem.chooseEntry instead"); 97 console.log("Please use chrome.fileSystem.chooseEntry instead");
195 $Function.apply(fileSystem.chooseEntry, this, arguments); 98 $Function.apply(fileSystem.chooseEntry, this, arguments);
196 }; 99 };
197 }); 100 });
198 101
199 exports.bindFileEntryCallback = bindFileEntryCallback; 102 exports.bindFileEntryCallback = bindFileEntryCallback;
200 exports.binding = binding.generate(); 103 exports.binding = binding.generate();
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