1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4//
5// This file contains base classes for fileManagerPrivate API.
6
7#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_BASE_H_
8#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_BASE_H_
9
10#include "base/time/time.h"
11#include "chrome/browser/extensions/chrome_extension_function.h"
12
13namespace extensions {
14
15// This class adds a logging feature to AsyncExtensionFunction. Logging is
16// done when sending the response to JavaScript, using drive::util::Log().
17// Async API functions of fileManagerPrivate should inherit this class.
18//
19// By default, logging is turned off, hence sub classes should call
20// set_log_on_completion(true) to enable it, if they want. However, even if
21// the logging is turned off, a warning is emitted when a function call is
22// very slow. See the implementation of SendResponse() for details.
23class LoggedAsyncExtensionFunction : public ChromeAsyncExtensionFunction {
24 public:
25  LoggedAsyncExtensionFunction();
26
27 protected:
28  virtual ~LoggedAsyncExtensionFunction();
29
30  // AsyncExtensionFunction overrides.
31  virtual void SendResponse(bool success) OVERRIDE;
32
33  // Sets the logging on completion flag. By default, logging is turned off.
34  void set_log_on_completion(bool log_on_completion) {
35    log_on_completion_ = log_on_completion;
36  }
37
38 private:
39  base::Time start_time_;
40  bool log_on_completion_;
41};
42
43}  // namespace extensions
44
45#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_BASE_H_
46