chrome/browser/ui/toolbar/encoding_menu_controller.h

   1 // Copyright (c) 2010 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 #ifndef CHROME_BROWSER_UI_TOOLBAR_ENCODING_MENU_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_TOOLBAR_ENCODING_MENU_CONTROLLER_H_
   7
   8 #include <utility>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/basictypes.h"  // For DISALLOW_COPY_AND_ASSIGN
  13 #include "base/gtest_prod_util.h"
  14 #include "base/strings/string16.h"
  15
  16 class Profile;
  17
  18 // Cross-platform logic needed for the encoding menu.
  19 // For now, we don't need to track state so all methods are static.
  20 class EncodingMenuController {
  21   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, EncodingIDsBelongTest);
  22   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, IsItemChecked);
  23
  24  public:
  25   typedef std::pair<int, base::string16> EncodingMenuItem;
  26   typedef std::vector<EncodingMenuItem> EncodingMenuItemList;
  27
  28  public:
  29   EncodingMenuController() {}
  30
  31   // Given a command ID, does this command belong to the encoding menu?
  32   bool DoesCommandBelongToEncodingMenu(int id);
  33
  34   // Returns true if the given encoding menu item (specified by item_id)
  35   // is checked.  Note that this header is included from objc, where the name
  36   // "id" is reserved.
  37   bool IsItemChecked(Profile* browser_profile,
  38                      const std::string& current_tab_encoding,
  39                      int item_id);
  40
  41   // Fills in a list of menu items in the order they should appear in the menu.
  42   // Items whose ids are 0 are separators.
  43   void GetEncodingMenuItems(Profile* profile,
  44                             EncodingMenuItemList* menu_items);
  45
  46  private:
  47   // List of all valid encoding GUI IDs.
  48   static const int kValidEncodingIds[];
  49   const int* ValidGUIEncodingIDs();
  50   int NumValidGUIEncodingIDs();
  51
  52   DISALLOW_COPY_AND_ASSIGN(EncodingMenuController);
  53 };
  54
  55 #endif  // CHROME_BROWSER_UI_TOOLBAR_ENCODING_MENU_CONTROLLER_H_