Improves application state persistance.

chrome/browser/ui/webui/print_preview/sticky_settings.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 CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_STICKY_SETTINGS_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_STICKY_SETTINGS_H_
 
 #include "printing/print_job_constants.h"
 
 #include <string>
 
-#include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 
 class FilePath;
 class PrintPreviewHandlerTest;
 class PrefService;
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace printing {
-struct PageSizeMargins;
-}
-
-FORWARD_DECLARE_TEST(PrintPreviewHandlerTest, StickyMarginsCustom);
-FORWARD_DECLARE_TEST(PrintPreviewHandlerTest, StickyMarginsDefault);
-FORWARD_DECLARE_TEST(PrintPreviewHandlerTest, StickyMarginsCustomThenDefault);
-FORWARD_DECLARE_TEST(PrintPreviewHandlerTest, GetLastUsedMarginSettingsCustom);
-FORWARD_DECLARE_TEST(PrintPreviewHandlerTest, GetLastUsedMarginSettingsDefault);
-
-namespace printing {
 
 // Holds all the settings that should be remembered (sticky) in print preview.
 // A sticky setting will be restored next time the user launches print preview.
 // Only one instance of this class is instantiated.
-// TODO(abodenha) Simplify this class.  See http://crbug.com/136926.
 class StickySettings {
  public:
   StickySettings();
   ~StickySettings();
 
-  // Populates |last_used_custom_margins| according to the last used margin
-  // settings.
-  void GetLastUsedMarginSettings(
-      base::DictionaryValue* last_used_custom_margins) const;
+  FilePath* save_path();
+  std::string* printer_app_state();
 
-  std::string* printer_name();
-  std::string* printer_cloud_print_data();
-  printing::ColorModels color_model() const;
-  bool headers_footers() const;
-  FilePath* save_path();
-  printing::DuplexMode duplex_mode() const;
-
-  // Stores color model, duplex mode, margins and headers footers.
-  void Store(const base::DictionaryValue& settings);
-  // Stores last used printer name.
-  void StorePrinterName(const std::string& printer_name);
-  // Stores last used printer cloud print data.
-  void StoreCloudPrintData(const std::string& cloud_print_data);
+  // Stores app state for the last used printer.
+  void StoreAppState(const std::string& app_state);
   // Stores the last path the user used to save to pdf.
   void StoreSavePath(const FilePath& path);
 
   void SaveInPrefs(PrefService* profile);
   void RestoreFromPrefs(PrefService* profile);
   static void RegisterUserPrefs(PrefService* prefs);
  private:
-  void StoreColorModel(const base::DictionaryValue& settings);
-  void StoreMarginSettings(const base::DictionaryValue& settings);
-  void StoreHeadersFooters(const base::DictionaryValue& settings);
-  void StoreDuplexMode(const base::DictionaryValue& settings);
 
   scoped_ptr<FilePath> save_path_;
-  scoped_ptr<std::string> printer_name_;
-  scoped_ptr<std::string> printer_cloud_print_data_;
-  printing::ColorModels color_model_;
-  printing::MarginType margins_type_;
-  scoped_ptr<printing::PageSizeMargins> page_size_margins_;
-  bool headers_footers_;
-  printing::DuplexMode duplex_mode_;
-
-  friend class ::PrintPreviewHandlerTest;
-  FRIEND_TEST_ALL_PREFIXES(::PrintPreviewHandlerTest, StickyMarginsCustom);
-  FRIEND_TEST_ALL_PREFIXES(::PrintPreviewHandlerTest, StickyMarginsDefault);
-  FRIEND_TEST_ALL_PREFIXES(::PrintPreviewHandlerTest,
-                           StickyMarginsCustomThenDefault);
-  FRIEND_TEST_ALL_PREFIXES(::PrintPreviewHandlerTest,
-                           GetLastUsedMarginSettingsCustom);
-  FRIEND_TEST_ALL_PREFIXES(::PrintPreviewHandlerTest,
-                           GetLastUsedMarginSettingsDefault);
+  scoped_ptr<std::string> printer_app_state_;
 };
 
 } // namespace printing
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_STICKY_SETTINGS_H_