Move more browser-specific webkit/fileapi code to webkit/browser/fileapi

Moves following files (25 files, 55/130 -> 80/130):
- external_mount_points*
- file_observers.h
- file_system_task_runners*
- isolated_context*
- isolated_mount_point_provider*
- local_file_system_operation*
- mock_*
- mount_points*
- task_runner_bound_observer_list.h

BUG=239710
TBR=tzik@chromium.org

Review URL: https://codereview.chromium.org/15994002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202079 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 83 insertions, 0 deletions

diff --git a/webkit/browser/fileapi/file_observers.h b/webkit/browser/fileapi/file_observers.h
new file mode 100644
index 0000000..873156f
--- /dev/null
+++ b/webkit/browser/fileapi/file_observers.h
@@ -0,0 +1,83 @@
+// 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_OBSERVERS_H_
+#define WEBKIT_BROWSER_FILEAPI_FILE_OBSERVERS_H_
+
+#include "base/basictypes.h"
+#include "webkit/storage/webkit_storage_export.h"
+
+// TODO(kinuko): Split this file into per-observer multiple files.
+
+namespace fileapi {
+
+class FileSystemURL;
+
+// An abstract interface to observe update operations.
+//
+// OnStartUpdate and OnEndUpdate are called once for each target url
+// before and after following operations regardless of whether the operation
+// is made recursively or not (i.e. StartUpdate() will be called only once
+// for destination url regardless of whether it is recursive copy or not):
+//  CreateFile(), CreateDirectory(),
+//  Copy() (destination only),
+//  Move() (both for source and destination),
+//  Remove(), Write(), Truncate(), TouchFile()
+//
+// OnUpdate() is called each time the |url| is updated but works only for
+// sandboxed files (where usage is tracked).
+class WEBKIT_STORAGE_EXPORT FileUpdateObserver {
+ public:
+  FileUpdateObserver() {}
+  virtual ~FileUpdateObserver() {}
+
+  virtual void OnStartUpdate(const FileSystemURL& url) = 0;
+  virtual void OnUpdate(const FileSystemURL& url, int64 delta) = 0;
+  virtual void OnEndUpdate(const FileSystemURL& url) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FileUpdateObserver);
+};
+
+// An abstract interface to observe file access.
+// OnAccess is called whenever an operation reads file contents or metadata.
+// (It is called only once per operation regardless of whether the operation
+// is recursive or not)
+class WEBKIT_STORAGE_EXPORT FileAccessObserver {
+ public:
+  FileAccessObserver() {}
+  virtual ~FileAccessObserver() {}
+
+  virtual void OnAccess(const FileSystemURL& url) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FileAccessObserver);
+};
+
+// An abstract interface to observe file changes.
+// Each method of this class is called once per file/directory is created,
+// removed or modified.  For recursive operations each method is called for
+// each subdirectory/subfile.  Currently ChangeObserver is only supported
+// by the local sandbox file system.
+class WEBKIT_STORAGE_EXPORT FileChangeObserver {
+ public:
+  FileChangeObserver() {}
+  virtual ~FileChangeObserver() {}
+
+  virtual void OnCreateFile(const FileSystemURL& url) = 0;
+  virtual void OnCreateFileFrom(const FileSystemURL& url,
+                                const FileSystemURL& src) = 0;
+  virtual void OnRemoveFile(const FileSystemURL& url) = 0;
+  virtual void OnModifyFile(const FileSystemURL& url) = 0;
+
+  virtual void OnCreateDirectory(const FileSystemURL& url) = 0;
+  virtual void OnRemoveDirectory(const FileSystemURL& url) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FileChangeObserver);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_BROWSER_FILEAPI_FILE_OBSERVERS_H_