ui/app_list/search_box_model.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 UI_APP_LIST_SEARCH_BOX_MODEL_H_
   6 #define UI_APP_LIST_SEARCH_BOX_MODEL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/observer_list.h"
  10 #include "base/string16.h"
  11 #include "ui/app_list/app_list_export.h"
  12 #include "ui/gfx/image/image_skia.h"
  13 #include "ui/gfx/selection_model.h"
  14
  15 namespace app_list {
  16
  17 class SearchBoxModelObserver;
  18
  19 // SearchBoxModel consisits of an icon, a hint text, a user text and a selection
  20 // model. The icon is rendered to the side of the query editor. The hint text
  21 // is used as query edit control's placeholder text and displayed when there is
  22 // no user text in the control. The selection model and the text represents the
  23 // text, cursor position and selected text in edit control.
  24 class APP_LIST_EXPORT SearchBoxModel {
  25  public:
  26   SearchBoxModel();
  27   ~SearchBoxModel();
  28
  29   // Sets/gets the icon on side of edit box.
  30   void SetIcon(const gfx::ImageSkia& icon);
  31   const gfx::ImageSkia& icon() const { return icon_; }
  32
  33   // Sets/gets the hint text to display when there is in input.
  34   void SetHintText(const string16& hint_text);
  35   const string16& hint_text() const { return hint_text_; }
  36
  37   // Sets/gets the selection model for the search box's Textfield.
  38   void SetSelectionModel(const gfx::SelectionModel& sel);
  39   const gfx::SelectionModel& selection_model() const {
  40     return selection_model_;
  41   }
  42
  43   // Sets/gets the text for the search box's Textfield.
  44   void SetText(const string16& text);
  45   const string16& text() const { return text_; }
  46
  47   void AddObserver(SearchBoxModelObserver* observer);
  48   void RemoveObserver(SearchBoxModelObserver* observer);
  49
  50  private:
  51   gfx::ImageSkia icon_;
  52   string16 hint_text_;
  53   gfx::SelectionModel selection_model_;
  54   string16 text_;
  55
  56   ObserverList<SearchBoxModelObserver> observers_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(SearchBoxModel);
  59 };
  60
  61 }  // namespace app_list
  62
  63 #endif  // UI_APP_LIST_SEARCH_BOX_MODEL_H_