cef/libcef/browser/views/view_util_mac.mm

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// Copyright 2021 The Chromium Embedded Framework Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be found
// in the LICENSE file.
#include "cef/libcef/browser/views/view_util.h"
#import <Cocoa/Cocoa.h>
#include "cef/include/internal/cef_types_mac.h"
#include "cef/libcef/browser/views/native_widget_mac.h"
#include "ui/views/widget/widget.h"
namespace view_util {
namespace {
constexpr char kNativeHostViewKey[] = "CefNativeHostViewKey";
// For Venura 13.3.1.
constexpr float kDefaultTitleBarHeight = 30;
NSWindow* GetNSWindow(views::Widget* widget) {
if (const auto& window = GetNativeWindow(widget)) {
return window.GetNativeNSWindow();
}
return nil;
}
} // namespace
gfx::NativeWindow GetNativeWindow(views::Widget* widget) {
if (widget) {
return widget->GetNativeWindow();
}
return gfx::NativeWindow();
}
gfx::NativeView GetNativeView(views::Widget* widget) {
if (widget) {
return widget->GetNativeView();
}
return gfx::NativeView();
}
CefWindowHandle GetWindowHandle(views::Widget* widget) {
// |view| is a wrapper type from native_widget_types.h.
auto view = GetNativeView(widget);
if (view) {
return CAST_NSVIEW_TO_CEF_WINDOW_HANDLE(view.GetNativeNSView());
}
return kNullWindowHandle;
}
CefWindowHandle GetWindowHandle(gfx::NativeWindow window) {
// |window| is a wrapper type from native_widget_types.h.
if (window) {
NSWindow* nswindow = window.GetNativeNSWindow();
return CAST_NSVIEW_TO_CEF_WINDOW_HANDLE([nswindow contentView]);
}
return kNullWindowHandle;
}
views::NativeWidget* CreateNativeWidget(
views::internal::NativeWidgetDelegate* delegate,
CefRefPtr<CefWindow> window,
CefWindowDelegate* window_delegate) {
return new CefNativeWidgetMac(delegate, window, window_delegate);
}
void SetHostView(views::Widget* widget, views::View* host_view) {
widget->SetNativeWindowProperty(kNativeHostViewKey, host_view);
}
views::View* GetHostView(const views::Widget* widget) {
return static_cast<views::View*>(
widget->GetNativeWindowProperty(kNativeHostViewKey));
}
float GetNSWindowTitleBarHeight(views::Widget* widget) {
if (NSWindow* window = GetNSWindow(widget)) {
return window.frame.size.height -
[window contentRectForFrameRect:window.frame].size.height;
}
return kDefaultTitleBarHeight;
}
void UpdateTitlebarTheme(views::Widget* widget) {
NSWindow* window = GetNSWindow(widget);
if (!window) {
return;
}
auto* light = [NSAppearance appearanceNamed:NSAppearanceNameAqua];
auto* dark = [NSAppearance appearanceNamed:NSAppearanceNameDarkAqua];
const bool should_use_dark = ShouldUseDarkTheme(widget);
auto* desired = should_use_dark ? dark : light;
if (window.appearance != desired) {
window.appearance = desired;
}
}
} // namespace view_util