chrome/browser/ui/autofill/autofill_dialog_models.h

   1 // Copyright (c) 2012 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_AUTOFILL_AUTOFILL_DIALOG_MODELS_H_
   6 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_MODELS_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/strings/string16.h"
  14 #include "ui/base/models/combobox_model.h"
  15 #include "ui/base/models/simple_menu_model.h"
  16
  17 namespace autofill {
  18
  19 class SuggestionsMenuModel;
  20
  21 class SuggestionsMenuModelDelegate {
  22  public:
  23   virtual ~SuggestionsMenuModelDelegate();
  24
  25   // Called when a menu item has been activated.
  26   virtual void SuggestionItemSelected(SuggestionsMenuModel* model,
  27                                       size_t index) = 0;
  28 };
  29
  30 // A model for the dropdowns that allow the user to select from different
  31 // sets of known data. It wraps a SimpleMenuModel, providing a mapping between
  32 // index and item GUID.
  33 class SuggestionsMenuModel : public ui::SimpleMenuModel,
  34                              public ui::SimpleMenuModel::Delegate {
  35  public:
  36   explicit SuggestionsMenuModel(SuggestionsMenuModelDelegate* delegate);
  37   ~SuggestionsMenuModel() override;
  38
  39   // Adds an item and its identifying key to the model. Keys needn't be unique.
  40   void AddKeyedItem(const std::string& key,
  41                     const base::string16& display_label);
  42
  43   // As above, but also accepts an image which will be displayed alongside the
  44   // text.
  45   void AddKeyedItemWithIcon(const std::string& key,
  46                             const base::string16& display_label,
  47                             const gfx::Image& icon);
  48
  49   // Adds a label with a minor text and its identifying key to the model.
  50   // Keys needn't be unique.
  51   void AddKeyedItemWithMinorText(const std::string& key,
  52                                 const base::string16& display_label,
  53                                 const base::string16& display_minor_text);
  54
  55   // As above, but also accepts an image which will be displayed alongside the
  56   // text.
  57   void AddKeyedItemWithMinorTextAndIcon(
  58       const std::string& key,
  59       const base::string16& display_label,
  60       const base::string16& display_minor_text,
  61       const gfx::Image& icon);
  62
  63   // Resets the model to empty.
  64   void Reset();
  65
  66   // Returns the ID key for the item at |index|.
  67   std::string GetItemKeyAt(int index) const;
  68
  69   // Returns the ID key for the item at |checked_item_|, or an empty string if
  70   // there are no items.
  71   std::string GetItemKeyForCheckedItem() const;
  72
  73   // Sets which item is checked.
  74   void SetCheckedItem(const std::string& item_key);
  75   void SetCheckedIndex(size_t index);
  76
  77   int checked_item() const { return checked_item_; }
  78
  79   // Enable/disable an item by key.
  80   void SetEnabled(const std::string& item_key, bool enabled);
  81
  82   // ui::SimpleMenuModel::Delegate implementation.
  83   bool IsCommandIdChecked(int command_id) const override;
  84   bool IsCommandIdEnabled(int command_id) const override;
  85   bool GetAcceleratorForCommandId(int command_id,
  86                                   ui::Accelerator* accelerator) override;
  87   void ExecuteCommand(int command_id, int event_flags) override;
  88
  89  private:
  90   // Represents an item in this model.
  91   struct Item {
  92     std::string key;  //  The key of the item.
  93     bool enabled;  // Whether the item is selectable.
  94   };
  95   // The items this model represents in presentation order.
  96   // Note: the index in this vector is the |command_id| of the item.
  97   std::vector<Item> items_;
  98
  99   // Returns the command id (and index) of the item by the |key|.
 100   size_t GetItemIndex(const std::string& item_key);
 101
 102   SuggestionsMenuModelDelegate* delegate_;
 103
 104   // The command id (and index) of the item which is currently checked. Only one
 105   // item is checked at a time.
 106   int checked_item_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(SuggestionsMenuModel);
 109 };
 110
 111 // A model for possible months in the Gregorian calendar.
 112 class MonthComboboxModel : public ui::ComboboxModel {
 113  public:
 114   MonthComboboxModel();
 115   ~MonthComboboxModel() override;
 116
 117   static base::string16 FormatMonth(int index);
 118
 119   // ui::Combobox implementation:
 120   int GetItemCount() const override;
 121   base::string16 GetItemAt(int index) override;
 122
 123  private:
 124   DISALLOW_COPY_AND_ASSIGN(MonthComboboxModel);
 125 };
 126
 127 // A model for years between now and a decade hence.
 128 class YearComboboxModel : public ui::ComboboxModel {
 129  public:
 130   YearComboboxModel();
 131   ~YearComboboxModel() override;
 132
 133   // ui::Combobox implementation:
 134   int GetItemCount() const override;
 135   base::string16 GetItemAt(int index) override;
 136
 137  private:
 138   // The current year (e.g., 2012).
 139   int this_year_;
 140
 141   DISALLOW_COPY_AND_ASSIGN(YearComboboxModel);
 142 };
 143
 144 }  // namespace autofill
 145
 146 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_MODELS_H_