Enables internal filesystem types via Isolated filesystems

webkit/fileapi/isolated_mount_point_provider.cc

 // Copyright (c) 2012 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.
 
 #include "webkit/fileapi/isolated_mount_point_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 26 matching lines @@
   std::string fsid;
   FilePath path;
   if (!isolated_context()->CrackIsolatedPath(url.path(), &fsid, NULL, &path))
     return FilePath();
   return path;
 }
 
 }  // namespace
 
 IsolatedMountPointProvider::IsolatedMountPointProvider()
-    : isolated_file_util_(new IsolatedFileUtil()) {
+    : isolated_file_util_(new IsolatedFileUtil()),
+      dragged_file_util_(new DraggedFileUtil()) {
 }
 
 IsolatedMountPointProvider::~IsolatedMountPointProvider() {
 }
 
 void IsolatedMountPointProvider::ValidateFileSystemRoot(
     const GURL& origin_url,
     FileSystemType type,
     bool create,
     const ValidateFileSystemCallback& callback) {
   // We never allow opening a new isolated FileSystem via usual OpenFileSystem.
   base::MessageLoopProxy::current()->PostTask(
       FROM_HERE,
       base::Bind(callback, base::PLATFORM_FILE_ERROR_SECURITY));
 }
 
 FilePath IsolatedMountPointProvider::GetFileSystemRootPathOnFileThread(
     const GURL& origin_url,
     FileSystemType type,
     const FilePath& virtual_path,
     bool create) {
-  if (create || type != kFileSystemTypeIsolated)
+  if (create)
     return FilePath();
   std::string fsid;
   FilePath path;
   IsolatedContext::FileInfo root;
   if (!isolated_context()->CrackIsolatedPath(virtual_path, &fsid, &root, &path))
     return FilePath();
   return root.path;
 }
 
 bool IsolatedMountPointProvider::IsAccessAllowed(
     const GURL& origin_url, FileSystemType type, const FilePath& virtual_path) {
   if (type != fileapi::kFileSystemTypeIsolated)
     return false;
 
   std::string filesystem_id;
   FilePath path;
   return isolated_context()->CrackIsolatedPath(
       virtual_path, &filesystem_id, NULL, &path);
 }
 
 bool IsolatedMountPointProvider::IsRestrictedFileName(
     const FilePath& filename) const {
   return false;
 }
 
-FileSystemFileUtil* IsolatedMountPointProvider::GetFileUtil() {
-  return isolated_file_util_.get();
+FileSystemFileUtil* IsolatedMountPointProvider::GetFileUtil(
+    FileSystemType type) {
+  if (type == kFileSystemTypeDragged)
+    return dragged_file_util_.get();
+  else
+    return isolated_file_util_.get();
 }
 
 FilePath IsolatedMountPointProvider::GetPathForPermissionsCheck(
     const FilePath& virtual_path) const {
   std::string fsid;
   FilePath path;
   if (!isolated_context()->CrackIsolatedPath(virtual_path, &fsid, NULL, &path))
     return FilePath();
   return path;
 }
@@ skipping 22 matching lines @@
   FilePath path = GetPathFromURL(url);
   return path.empty() ? NULL : new LocalFileStreamWriter(path, offset);
 }
 
 FileSystemQuotaUtil* IsolatedMountPointProvider::GetQuotaUtil() {
   // No quota support.
   return NULL;
 }
 
 }  // namespace fileapi