ash/system/user/rounded_image_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 ASH_SYSTEM_USER_ROUNDED_IMAGE_VIEW_H_
   6 #define ASH_SYSTEM_USER_ROUNDED_IMAGE_VIEW_H_
   7
   8 #include "base/macros.h"
   9 #include "ui/gfx/geometry/size.h"
  10 #include "ui/gfx/image/image_skia.h"
  11 #include "ui/views/view.h"
  12
  13 namespace ash {
  14 namespace tray {
  15
  16 // A custom image view with rounded edges.
  17 class RoundedImageView : public views::View {
  18  public:
  19   // Constructs a new rounded image view with rounded corners of radius
  20   // |corner_radius|. If |active_user| is set, the icon will be drawn in
  21   // full colors - otherwise it will fade into the background.
  22   RoundedImageView(int corner_radius, bool active_user);
  23   ~RoundedImageView() override;
  24
  25   // Set the image that should be displayed. The image contents is copied to the
  26   // receiver's image.
  27   void SetImage(const gfx::ImageSkia& img, const gfx::Size& size);
  28
  29   // Set the radii of the corners independently.
  30   void SetCornerRadii(int top_left,
  31                       int top_right,
  32                       int bottom_right,
  33                       int bottom_left);
  34
  35  private:
  36   // Overridden from views::View.
  37   gfx::Size GetPreferredSize() const override;
  38   void OnPaint(gfx::Canvas* canvas) override;
  39
  40   gfx::ImageSkia image_;
  41   gfx::ImageSkia resized_;
  42   gfx::Size image_size_;
  43   int corner_radius_[4];
  44
  45   // True if the given user is the active user and the icon should get
  46   // painted as active.
  47   bool active_user_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(RoundedImageView);
  50 };
  51
  52 }  // namespace tray
  53 }  // namespace ash
  54
  55 #endif  // ASH_SYSTEM_USER_ROUNDED_IMAGE_VIEW_H_