| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_WM_WM_HIGHLIGHT_ITEM_BORDER_H_ |
| #define ASH_WM_WM_HIGHLIGHT_ITEM_BORDER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "ui/views/border.h" |
| |
| namespace ash { |
| |
| // Defines a border to be used on the views of window management items which can |
| // be highlighted in overview or window cycle, such as the DeskPreviewView, |
| // NewDeskButton and WindowMiniView. This paints a border around the view with |
| // an empty gap (padding) in-between, so that the border is more obvious against |
| // white or light backgrounds. If a |SK_ColorTRANSPARENT| was provided, it will |
| // paint nothing. |
| class WmHighlightItemBorder : public views::Border { |
| public: |
| explicit WmHighlightItemBorder(int corner_radius); |
| ~WmHighlightItemBorder() override = default; |
| |
| void set_extra_margin(int extra_margin) { extra_margin_ = extra_margin; } |
| |
| // This highlight meant to indicate focus. No border will be painted if |
| // |focused| is false. |
| void SetFocused(bool focused); |
| |
| // views::Border: |
| void Paint(const views::View& view, gfx::Canvas* canvas) override; |
| gfx::Insets GetInsets() const override; |
| gfx::Size GetMinimumSize() const override; |
| |
| private: |
| const int corner_radius_; |
| |
| // Some views which use this border have padding for other UI purposes (ie. |
| // they paint their contents insetted from |View::GetLocalBounds()|. Such |
| // views are responsible for letting this class know how much padding is used |
| // so adjustments can be made accordingly. |
| // TODO(sammiequon): Change OverviewItemView to not have its own margin, then |
| // this won't be needed. |
| int extra_margin_ = 0; |
| |
| DISALLOW_COPY_AND_ASSIGN(WmHighlightItemBorder); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_WM_HIGHLIGHT_ITEM_BORDER_H_ |