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      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 #pragma once
      8 
      9 #include <utility>
     10 #include <string>
     11 #include <vector>
     12 
     13 #include "base/basictypes.h"  // For DISALLOW_COPY_AND_ASSIGN
     14 #include "base/gtest_prod_util.h"
     15 #include "base/string16.h"
     16 
     17 class Profile;
     18 
     19 // Cross-platform logic needed for the encoding menu.
     20 // For now, we don't need to track state so all methods are static.
     21 class EncodingMenuController {
     22   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, EncodingIDsBelongTest);
     23   FRIEND_TEST_ALL_PREFIXES(EncodingMenuControllerTest, IsItemChecked);
     24 
     25  public:
     26   typedef std::pair<int, string16> EncodingMenuItem;
     27   typedef std::vector<EncodingMenuItem> EncodingMenuItemList;
     28 
     29  public:
     30   EncodingMenuController() {}
     31 
     32   // Given a command ID, does this command belong to the encoding menu?
     33   bool DoesCommandBelongToEncodingMenu(int id);
     34 
     35   // Returns true if the given encoding menu item (specified by item_id)
     36   // is checked.  Note that this header is included from objc, where the name
     37   // "id" is reserved.
     38   bool IsItemChecked(Profile* browser_profile,
     39                      const std::string& current_tab_encoding,
     40                      int item_id);
     41 
     42   // Fills in a list of menu items in the order they should appear in the menu.
     43   // Items whose ids are 0 are separators.
     44   void GetEncodingMenuItems(Profile* profile,
     45                             EncodingMenuItemList* menu_items);
     46 
     47  private:
     48   // List of all valid encoding GUI IDs.
     49   static const int kValidEncodingIds[];
     50   const int* ValidGUIEncodingIDs();
     51   int NumValidGUIEncodingIDs();
     52 
     53   DISALLOW_COPY_AND_ASSIGN(EncodingMenuController);
     54 };
     55 
     56 #endif  // CHROME_BROWSER_UI_TOOLBAR_ENCODING_MENU_CONTROLLER_H_
     57