chrome/browser/chromeos/input_method/candidate_view.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_CHROMEOS_INPUT_METHOD_CANDIDATE_VIEW_H_
   6 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_VIEW_H_
   7
   8 #include "base/gtest_prod_util.h"
   9 #include "chrome/browser/chromeos/input_method/ibus_ui_controller.h"
  10 #include "ui/views/controls/label.h"
  11 #include "ui/views/view.h"
  12
  13 namespace chromeos {
  14 namespace input_method {
  15
  16 class CandidateWindowView;
  17
  18 // CandidateView renderes a row of a candidate.
  19 class CandidateView : public views::View {
  20  public:
  21   CandidateView(CandidateWindowView* parent_candidate_window,
  22                 int index_in_page,
  23                 InputMethodLookupTable::Orientation orientation);
  24   virtual ~CandidateView() {}
  25   // Initializes the candidate view with the given column widths.
  26   // A width of 0 means that the column is resizable.
  27   void Init(int shortcut_column_width,
  28             int candidate_column_width,
  29             int annotation_column_width,
  30             int column_height);
  31
  32   // Sets candidate text to the given text.
  33   void SetCandidateText(const string16& text);
  34
  35   // Sets shortcut text to the given text.
  36   void SetShortcutText(const string16& text);
  37
  38   // Sets annotation text to the given text.
  39   void SetAnnotationText(const string16& text);
  40
  41   // Sets infolist icon.
  42   void SetInfolistIcon(bool enable);
  43
  44   // Selects the candidate row. Changes the appearance to make it look
  45   // like a selected candidate.
  46   void Select();
  47
  48   // Unselects the candidate row. Changes the appearance to make it look
  49   // like an unselected candidate.
  50   void Unselect();
  51
  52   // Enables or disables the candidate row based on |enabled|. Changes the
  53   // appearance to make it look like unclickable area.
  54   void SetRowEnabled(bool enabled);
  55
  56   // Returns the relative position of the candidate label.
  57   gfx::Point GetCandidateLabelPosition() const;
  58
  59  private:
  60   friend class CandidateWindowViewTest;
  61   FRIEND_TEST_ALL_PREFIXES(CandidateWindowViewTest, ShortcutSettingTest);
  62   // Overridden from View:
  63   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
  64
  65   // Notifies labels of their new background colors.  Called whenever the view's
  66   // background color changes.
  67   void UpdateLabelBackgroundColors();
  68
  69   // Zero-origin index in the current page.
  70   int index_in_page_;
  71
  72   // The orientation of the candidate view.
  73   InputMethodLookupTable::Orientation orientation_;
  74
  75   // The parent candidate window that contains this view.
  76   CandidateWindowView* parent_candidate_window_;
  77
  78   // Views created in the class will be part of tree of |this|, so these
  79   // child views will be deleted when |this| is deleted.
  80
  81   // The shortcut label renders shortcut numbers like 1, 2, and 3.
  82   views::Label* shortcut_label_;
  83   // The candidate label renders candidates.
  84   views::Label* candidate_label_;
  85   // The annotation label renders annotations.
  86   views::Label* annotation_label_;
  87
  88   // The infolist icon.
  89   views::View* infolist_icon_;
  90   bool infolist_icon_enabled_;
  91
  92   DISALLOW_COPY_AND_ASSIGN(CandidateView);
  93 };
  94
  95 }  // namespace input_method
  96 }  // namespace chromeos
  97
  98 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_CANDIDATE_VIEW_H_