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 fileBrowserPrivate 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/extension_function.h" 12 13 namespace file_manager { 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 fileBrowserPrivate 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. 23 class LoggedAsyncExtensionFunction : public AsyncExtensionFunction { 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 file_manager 44 45 #endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_BASE_H_ 46
