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