chrome/browser/ui/views/location_bar/icon_label_bubble_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_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_
   7
   8 #include <string>
   9
  10 #include "base/strings/string16.h"
  11 #include "ui/gfx/geometry/size.h"
  12 #include "ui/views/controls/label.h"
  13 #include "ui/views/view.h"
  14
  15 namespace gfx {
  16 class Canvas;
  17 class FontList;
  18 class ImageSkia;
  19 }
  20
  21 namespace views {
  22 class ImageView;
  23 class Label;
  24 class Painter;
  25 }
  26
  27 // View used to draw a bubble to the left of the address, containing an icon and
  28 // a label.  We use this as a base for the classes that handle the EV bubble and
  29 // tab-to-search UI.
  30 class IconLabelBubbleView : public views::View {
  31  public:
  32   // |hover_background_images| is an optional set of images to be used in place
  33   // of |background_images| during mouse hover.
  34   IconLabelBubbleView(const int background_images[],
  35                       const int hover_background_images[],
  36                       int contained_image,
  37                       const gfx::FontList& font_list,
  38                       SkColor text_color,
  39                       SkColor parent_background_color,
  40                       bool elide_in_middle);
  41   ~IconLabelBubbleView() override;
  42
  43   void SetLabel(const base::string16& label);
  44   void SetImage(const gfx::ImageSkia& image);
  45   void set_is_extension_icon(bool is_extension_icon) {
  46     is_extension_icon_ = is_extension_icon;
  47   }
  48
  49  protected:
  50   // views::View:
  51   gfx::Size GetPreferredSize() const override;
  52   void Layout() override;
  53   void OnMouseEntered(const ui::MouseEvent& event) override;
  54   void OnMouseExited(const ui::MouseEvent& event) override;
  55
  56   const gfx::FontList& font_list() const { return label_->font_list(); }
  57
  58   gfx::Size GetSizeForLabelWidth(int width) const;
  59
  60  private:
  61   // Amount of padding at the edges of the bubble.  If |by_icon| is true, this
  62   // is the padding next to the icon; otherwise it's the padding next to the
  63   // label.  (We increase padding next to the label by the amount of padding
  64   // "built in" to the icon in order to make the bubble appear to have
  65   // symmetrical padding.)
  66   static int GetBubbleOuterPadding(bool by_icon);
  67
  68   // views::View:
  69   const char* GetClassName() const override;
  70   void OnPaint(gfx::Canvas* canvas) override;
  71
  72   int GetPreLabelWidth() const;
  73
  74   // For painting the background.
  75   scoped_ptr<views::Painter> background_painter_;
  76   scoped_ptr<views::Painter> hover_background_painter_;
  77
  78   // The contents of the bubble.
  79   views::ImageView* image_;
  80   views::Label* label_;
  81
  82   bool is_extension_icon_;
  83   bool in_hover_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(IconLabelBubbleView);
  86 };
  87
  88 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ICON_LABEL_BUBBLE_VIEW_H_