chrome/browser/autofill/autofill_popup_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_AUTOFILL_AUTOFILL_POPUP_VIEW_H_
   6 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_POPUP_VIEW_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/string16.h"
  12 #include "content/public/browser/notification_registrar.h"
  13 #include "content/public/browser/notification_observer.h"
  14 #include "ui/gfx/font.h"
  15 #include "ui/gfx/rect.h"
  16
  17 namespace content {
  18 class WebContents;
  19 }
  20
  21 class AutofillExternalDelegate;
  22
  23 class AutofillPopupView : public content::NotificationObserver {
  24  public:
  25   explicit AutofillPopupView(content::WebContents* web_contents,
  26                              AutofillExternalDelegate* external_delegate_);
  27   virtual ~AutofillPopupView();
  28
  29   // Hide the popup from view. Platform-indepent work.
  30   virtual void Hide();
  31
  32   // Display the autofill popup and fill it in with the values passed in.
  33   // Platform-independent work.
  34   void Show(const std::vector<string16>& autofill_values,
  35             const std::vector<string16>& autofill_labels,
  36             const std::vector<string16>& autofill_icons,
  37             const std::vector<int>& autofill_unique_ids);
  38
  39   void set_element_bounds(const gfx::Rect& bounds) {
  40     element_bounds_ = bounds;
  41   }
  42
  43   const gfx::Rect& element_bounds() { return element_bounds_; }
  44
  45  protected:
  46   // Display the autofill popup and fill it in with the values passed in.
  47   // Platform-dependent work.
  48   virtual void ShowInternal() = 0;
  49
  50   // Hide the popup from view. Platform-dependent work.
  51   virtual void HideInternal() = 0;
  52
  53   // Invalide the given row and redraw it.
  54   virtual void InvalidateRow(size_t row) = 0;
  55
  56   // Adjust the size of the popup to show the elements being held.
  57   virtual void ResizePopup() = 0;
  58
  59   AutofillExternalDelegate* external_delegate() { return external_delegate_; }
  60
  61   const std::vector<string16>& autofill_values() const {
  62     return autofill_values_;
  63   }
  64   const std::vector<string16>& autofill_labels() const {
  65     return autofill_labels_;
  66   }
  67   const std::vector<string16>& autofill_icons() const {
  68     return autofill_icons_;
  69   }
  70   const std::vector<int>& autofill_unique_ids() const {
  71     return autofill_unique_ids_;
  72   }
  73
  74   const gfx::Font& label_font() const { return label_font_; }
  75   const gfx::Font& value_font() const { return value_font_; }
  76
  77   int selected_line() const { return selected_line_; }
  78
  79   // Change which line is currently selected by the user.
  80   void SetSelectedLine(int selected_line);
  81
  82   // Clear the currently selected line so that nothing is selected.
  83   void ClearSelectedLine();
  84
  85   // Increase the selected line by 1, properly handling wrapping.
  86   void SelectNextLine();
  87
  88   // Decrease the selected line by 1, properly handling wrapping.
  89   void SelectPreviousLine();
  90
  91   // The user has choosen the selected line.
  92   bool AcceptSelectedLine();
  93
  94   // The user has removed a suggestion.
  95   bool RemoveSelectedLine();
  96
  97   // Get the resource value for the given resource, returning -1 if the
  98   // resource isn't recognized.
  99   int GetIconResourceID(const string16& resource_name);
 100
 101   // Returns true if the given id refers to an element that can be deleted.
 102   bool CanDelete(int id);
 103
 104  private:
 105   // Returns true if the given id refers to an element that can be accepted.
 106   bool CanAccept(int id);
 107
 108   // Returns true if the popup still has non-options entries to show the user.
 109   bool HasAutofillEntries();
 110
 111   // content::NotificationObserver method override.
 112   virtual void Observe(int type,
 113                        const content::NotificationSource& source,
 114                        const content::NotificationDetails& details) OVERRIDE;
 115
 116   // A scoped container for notification registries.
 117   content::NotificationRegistrar registrar_;
 118
 119   AutofillExternalDelegate* external_delegate_;
 120
 121   // The bounds of the text element that is the focus of the Autofill.
 122   gfx::Rect element_bounds_;
 123
 124   // The current Autofill query values.
 125   std::vector<string16> autofill_values_;
 126   std::vector<string16> autofill_labels_;
 127   std::vector<string16> autofill_icons_;
 128   std::vector<int> autofill_unique_ids_;
 129
 130   // The fonts for the popup text.
 131   gfx::Font value_font_;
 132   gfx::Font label_font_;
 133
 134   // The line that is currently selected by the user.
 135   // |kNoSelection| indicates that no line is currently selected.
 136   int selected_line_;
 137 };
 138
 139 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_POPUP_VIEW_H_