SyncFS: Support resolveLocalFileSystemURL on SyncFileSystem

webkit/browser/fileapi/file_system_context.h

 // 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.
 
 #ifndef WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_CONTEXT_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 136 matching lines @@
   // Returns a FileSystemBackend instance for external filesystem
   // type, which is used only by chromeos for now.  This is equivalent to
   // calling GetFileSystemBackend(kFileSystemTypeExternal).
   ExternalFileSystemBackend* external_backend() const;
 
   // Used for OpenFileSystem.
   typedef base::Callback<void(base::PlatformFileError result,
                               const std::string& name,
                               const GURL& root)> OpenFileSystemCallback;
 
+  // Used for ResolveURL.
+  typedef base::Callback<void(base::PlatformFileError result,
+                              const std::string& name,
+                              const GURL& root,
+                              const base::FilePath& file_path,
+                              bool is_directory)> ResolveURLCallback;
+
   // Used for DeleteFileSystem.
   typedef base::Callback<void(base::PlatformFileError result)>
       DeleteFileSystemCallback;
 
   // Opens the filesystem for the given |origin_url| and |type|, and dispatches
   // |callback| on completion.
   // If |create| is true this may actually set up a filesystem instance
   // (e.g. by creating the root directory or initializing the database
   // entry etc).
   void OpenFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       OpenFileSystemMode mode,
       const OpenFileSystemCallback& callback);
 
+  // TODO(nhiroki): writing a comment.
+  void ResolveURL(
+      const GURL& filesystem_url,
+      const ResolveURLCallback& callback);
+
   // Deletes the filesystem for the given |origin_url| and |type|. This should
   // be called on the IO Thread.
   void DeleteFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       const DeleteFileSystemCallback& callback);
 
   // Creates new FileStreamReader instance to read a file pointed by the given
   // filesystem URL |url| starting from |offset|. |expected_modification_time|
   // specifies the expected last modification if the value is non-null, the
@@ skipping 81 matching lines @@
   // FileSystemURL.
   //
   // If the original url does not point to an isolated or external filesystem,
   // returns the original url, without attempting to crack it.
   FileSystemURL CrackFileSystemURL(const FileSystemURL& url) const;
 
   // For initial backend_map construction. This must be called only from
   // the constructor.
   void RegisterBackend(FileSystemBackend* backend);
 
+  void DidOpenFileSystemForResolveURL(
+      const FileSystemURL& url,
+      const ResolveURLCallback& callback,
+      const GURL& filesystem_root,
+      const std::string& filesystem_name,
+      base::PlatformFileError error);
+  void DidGetMetadataForResolveURL(
+      const FileSystemURL& url,
+      const FileSystemContext::ResolveURLCallback& callback,
+      const GURL& filesystem_roor,
+      const std::string& filesystem_name,
+      base::PlatformFileError error,
+      const base::PlatformFileInfo& file_info);
+
   // Returns a FileSystemBackend, used only by test code.
   SandboxFileSystemBackend* sandbox_backend() const {
     return sandbox_backend_.get();
   }
 
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
   scoped_refptr<base::SequencedTaskRunner> default_file_task_runner_;
 
   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
 
@@ skipping 32 matching lines @@
 
 struct DefaultContextDeleter {
   static void Destruct(const FileSystemContext* context) {
     context->DeleteOnCorrectThread();
   }
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_CONTEXT_H_