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