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win_frame_view.h
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win_frame_view.h
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// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
//
// Portions of this file are sourced from
// chrome/browser/ui/views/frame/glass_browser_frame_view.h,
// Copyright (c) 2012 The Chromium Authors,
// which is governed by a BSD-style license
#ifndef ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_FRAME_VIEW_H_
#define ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_FRAME_VIEW_H_
#include "shell/browser/native_window_views.h"
#include "shell/browser/ui/views/frameless_view.h"
#include "shell/browser/ui/views/win_caption_button.h"
#include "shell/browser/ui/views/win_caption_button_container.h"
namespace electron {
class WinFrameView : public FramelessView {
public:
static const char kViewClassName[];
WinFrameView();
~WinFrameView() override;
void Init(NativeWindowViews* window, views::Widget* frame) override;
// Alpha to use for features in the titlebar (the window title and caption
// buttons) when the window is inactive. They are opaque when active.
static constexpr SkAlpha kInactiveTitlebarFeatureAlpha = 0x66;
SkColor GetReadableFeatureColor(SkColor background_color);
// Tells the NonClientView to invalidate the WinFrameView's caption buttons.
void InvalidateCaptionButtons();
// views::NonClientFrameView:
gfx::Rect GetWindowBoundsForClientBounds(
const gfx::Rect& client_bounds) const override;
int NonClientHitTest(const gfx::Point& point) override;
// views::View:
const char* GetClassName() const override;
NativeWindowViews* window() const { return window_; }
views::Widget* frame() const { return frame_; }
WinCaptionButtonContainer* caption_button_container() {
return caption_button_container_;
}
bool IsMaximized() const;
bool ShouldCustomDrawSystemTitlebar() const;
// Visual height of the titlebar when the window is maximized (i.e. excluding
// the area above the top of the screen).
int TitlebarMaximizedVisualHeight() const;
protected:
// views::View:
void Layout() override;
private:
friend class WinCaptionButtonContainer;
int FrameBorderThickness() const;
// Returns the thickness of the window border for the top edge of the frame,
// which is sometimes different than FrameBorderThickness(). Does not include
// the titlebar/tabstrip area. If |restored| is true, this is calculated as if
// the window was restored, regardless of its current state.
int FrameTopBorderThickness(bool restored) const;
int FrameTopBorderThicknessPx(bool restored) const;
// Returns the height of the titlebar for popups or other browser types that
// don't have tabs.
int TitlebarHeight(int custom_height) const;
// Returns the y coordinate for the top of the frame, which in maximized mode
// is the top of the screen and in restored mode is 1 pixel below the top of
// the window to leave room for the visual border that Windows draws.
int WindowTopY() const;
void LayoutCaptionButtons();
void LayoutWindowControlsOverlay();
// The container holding the caption buttons (minimize, maximize, close, etc.)
// May be null if the caption button container is destroyed before the frame
// view. Always check for validity before using!
WinCaptionButtonContainer* caption_button_container_;
};
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_UI_VIEWS_WIN_FRAME_VIEW_H_