extfs

chrome/renderer/resources/extensions/extfs_custom_bindings.js

Index: chrome/renderer/resources/extensions/extfs_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/extfs_custom_bindings.js b/chrome/renderer/resources/extensions/extfs_custom_bindings.js
new file mode 100644
index 0000000000000000000000000000000000000000..267cb2e08bb540a16bdca0f01a751f0381ac9b4c
--- /dev/null
+++ b/chrome/renderer/resources/extensions/extfs_custom_bindings.js
@@ -0,0 +1,64 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Custom bindings for the downloads API.
+
+var binding = require('binding').Binding.create('extfs');
+var eventBindings = require('event_bindings');
+
+eventBindings.registerArgumentMassager(
+    'extfs.onEntryRequested',
+    function (args, dispatch) {
+      var requestId = args[0];
+      var path = args[1];
+      var callback = function(errorCode, entry) {
+        console.log('@@@@ calling returnEntry');
+        chrome.extfs.returnEntry(requestId, errorCode, entry);
+      };
+      console.log('@@@@ calling the original listener');
+      dispatch([path, callback]);
+    });
+
+eventBindings.registerArgumentMassager(
+    'extfs.onDirectoryEntriesRequested',
+    function (args, dispatch) {
+      var requestId = args[0];
+      var path = args[1];
+      var callback = function(errorCode, entries) {
+        console.log('@@@@ calling returnEntries');
+        chrome.extfs.returnEntries(requestId, errorCode, entries);
+      };
+      console.log('@@@@ calling the original listener');
+      dispatch([path, callback]);
+    });
+
+eventBindings.registerArgumentMassager(
+    'extfs.onSnapshotRequested',
+    function (args, dispatch) {
+      var requestId = args[0];
+      var path = args[1];
+      var callback = function(errorCode, blob) {
+        console.log('@@@@ calling returnSnapshot');
+        console.log('@@@@ blob: ' + blob);
+        console.log('@@@@ requestId: ' + requestId);
+        chrome.extfs.returnSnapshot(requestId, errorCode, blob);
+      };
+      console.log('@@@@ calling the original listener');
+      dispatch([path, callback]);
+    });
+
+binding.registerCustomHook(function(bindingsAPI) {
+  var apiFunctions = bindingsAPI.apiFunctions;
+  apiFunctions.setUpdateArgumentsPostValidate(
+    "returnSnapshot", function(requestId, errorCode, blob) {
+      console.log('@@@@ intercepting returnSnapshot');
+      // The blob URL will be revoked in the browser.
+      var blobURL = window.URL.createObjectURL(blob);
+      console.log('@@@@ blobURL: ' + blobURL);
+      console.log('@@@@ requestId: ' + requestId);
+      return [requestId, errorCode, blobURL];
+  });
+});
+
+exports.binding = binding.generate();