70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
// Copyright (c) 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Modified from chrome/browser/ui/views/frame/windows_10_caption_button.h
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#ifndef ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_CAPTION_BUTTON_H_
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#define ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_CAPTION_BUTTON_H_
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#include <memory>
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#include "chrome/browser/ui/frame/window_frame_util.h"
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#include "chrome/browser/ui/view_ids.h"
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#include "shell/browser/ui/views/win_icon_painter.h"
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#include "ui/base/metadata/metadata_header_macros.h"
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#include "ui/gfx/canvas.h"
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#include "ui/views/controls/button/button.h"
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namespace electron {
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class WinFrameView;
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class WinCaptionButton : public views::Button {
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public:
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WinCaptionButton(PressedCallback callback,
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WinFrameView* frame_view,
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ViewID button_type,
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const std::u16string& accessible_name);
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~WinCaptionButton() override;
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WinCaptionButton(const WinCaptionButton&) = delete;
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WinCaptionButton& operator=(const WinCaptionButton&) = delete;
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// // views::Button:
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gfx::Size CalculatePreferredSize() const override;
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void OnPaintBackground(gfx::Canvas* canvas) override;
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void PaintButtonContents(gfx::Canvas* canvas) override;
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gfx::Size GetSize() const;
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void SetSize(gfx::Size size);
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private:
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std::unique_ptr<WinIconPainter> CreateIconPainter();
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// Returns the amount we should visually reserve on the left (right in RTL)
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// for spacing between buttons. We do this instead of repositioning the
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// buttons to avoid the sliver of deadspace that would result.
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int GetBetweenButtonSpacing() const;
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// Returns the order in which this button will be displayed (with 0 being
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// drawn farthest to the left, and larger indices being drawn to the right of
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// smaller indices).
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int GetButtonDisplayOrderIndex() const;
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// The base color to use for the button symbols and background blending. Uses
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// the more readable of black and white.
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SkColor GetBaseColor() const;
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// Paints the minimize/maximize/restore/close icon for the button.
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void PaintSymbol(gfx::Canvas* canvas);
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WinFrameView* frame_view_;
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std::unique_ptr<WinIconPainter> icon_painter_;
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ViewID button_type_;
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int base_width_ = WindowFrameUtil::kWindows10GlassCaptionButtonWidth;
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int height_ = WindowFrameUtil::kWindows10GlassCaptionButtonHeightRestored;
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};
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} // namespace electron
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#endif // ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_CAPTION_BUTTON_H_
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