ui/app_list/views/tile_item_view.h

   1 // Copyright 2014 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_VIEWS_TILE_ITEM_VIEW_H_
   6 #define UI_APP_LIST_VIEWS_TILE_ITEM_VIEW_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "third_party/skia/include/core/SkColor.h"
  10 #include "ui/app_list/app_list_export.h"
  11 #include "ui/views/controls/button/button.h"
  12 #include "ui/views/controls/button/custom_button.h"
  13
  14 namespace gfx {
  15 class ImageSkia;
  16 }
  17
  18 namespace views {
  19 class ImageView;
  20 class Label;
  21 }
  22
  23 namespace app_list {
  24
  25 // The view for a tile in the app list on the start/search page.
  26 class APP_LIST_EXPORT TileItemView : public views::CustomButton,
  27                                      public views::ButtonListener {
  28  public:
  29   TileItemView();
  30   ~TileItemView() override;
  31
  32   bool selected() { return selected_; }
  33   void SetSelected(bool selected);
  34
  35   // Informs the TileItemView of its parent's background color. The controls
  36   // within the TileItemView will adapt to suit the given color.
  37   void SetParentBackgroundColor(SkColor color);
  38   SkColor parent_background_color() { return parent_background_color_; }
  39
  40   // Overridden from views::CustomButton:
  41   void StateChanged() override;
  42
  43  protected:
  44   void SetIcon(const gfx::ImageSkia& icon);
  45
  46   void SetTitle(const base::string16& title);
  47
  48  private:
  49   void UpdateBackgroundColor();
  50
  51   // Overridden from views::View:
  52   gfx::Size GetPreferredSize() const override;
  53   bool GetTooltipText(const gfx::Point& p,
  54                       base::string16* tooltip) const override;
  55
  56   SkColor parent_background_color_;
  57
  58   views::ImageView* icon_;  // Owned by views hierarchy.
  59   views::Label* title_;     // Owned by views hierarchy.
  60
  61   bool selected_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(TileItemView);
  64 };
  65
  66 }  // namespace app_list
  67
  68 #endif  // UI_APP_LIST_VIEWS_TILE_ITEM_VIEW_H_