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views: Support themes for Alloy BrowserView in Chrome Window (see #3681)

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To test:
- Run `cefclient --enable-chrome-runtime --use-alloy-style
                 --use-chrome-style-window [--background-color=green]`
- OS and Chrome theme changes behave as expected.
This commit is contained in:
Marshall Greenblatt
2024-05-01 17:56:30 -04:00
parent b92749a58a
commit 7328b9e40d
6 changed files with 192 additions and 90 deletions
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76
libcef/browser/views/widget_impl.cc
View File

@ -15,23 +15,6 @@
#include "ui/linux/linux_ui.h"
#endif
namespace {
ui::ColorProviderKey::SchemeVariant GetSchemeVariant(
ui::mojom::BrowserColorVariant color_variant) {
using BCV = ui::mojom::BrowserColorVariant;
using SV = ui::ColorProviderKey::SchemeVariant;
static constexpr auto kSchemeVariantMap = base::MakeFixedFlatMap<BCV, SV>({
{BCV::kTonalSpot, SV::kTonalSpot},
{BCV::kNeutral, SV::kNeutral},
{BCV::kVibrant, SV::kVibrant},
{BCV::kExpressive, SV::kExpressive},
});
return kSchemeVariantMap.at(color_variant);
}
} // namespace
CefWidgetImpl::CefWidgetImpl(CefWindowView* window_view)
: window_view_(window_view) {}
@ -156,62 +139,11 @@ void CefWidgetImpl::OnNativeThemeUpdated(ui::NativeTheme* observed_theme) {
}
ui::ColorProviderKey CefWidgetImpl::GetColorProviderKey() const {
auto* profile = GetThemeProfile();
if (!profile) {
return Widget::GetColorProviderKey();
const auto& widget_key = Widget::GetColorProviderKey();
if (auto* profile = GetThemeProfile()) {
return CefWidget::GetColorProviderKey(widget_key, profile);
}
// Based on BrowserFrame::GetColorProviderKey.
auto key = Widget::GetColorProviderKey();
const auto* theme_service = ThemeServiceFactory::GetForProfile(profile);
CHECK(theme_service);
// color_mode.
[&key, theme_service]() {
const auto browser_color_scheme = theme_service->GetBrowserColorScheme();
if (browser_color_scheme != ThemeService::BrowserColorScheme::kSystem) {
key.color_mode =
browser_color_scheme == ThemeService::BrowserColorScheme::kLight
? ui::ColorProviderKey::ColorMode::kLight
: ui::ColorProviderKey::ColorMode::kDark;
}
}();
// user_color.
// Device theme retains the user_color from `Widget`.
if (!theme_service->UsingDeviceTheme()) {
if (theme_service->UsingAutogeneratedTheme()) {
key.user_color = theme_service->GetAutogeneratedThemeColor();
} else if (auto user_color = theme_service->GetUserColor()) {
key.user_color = user_color;
}
}
// user_color_source.
if (theme_service->UsingDeviceTheme()) {
key.user_color_source = ui::ColorProviderKey::UserColorSource::kAccent;
} else if (theme_service->GetIsGrayscale()) {
key.user_color_source = ui::ColorProviderKey::UserColorSource::kGrayscale;
} else if (theme_service->GetIsBaseline()) {
key.user_color_source = ui::ColorProviderKey::UserColorSource::kBaseline;
} else {
CHECK(key.user_color.has_value());
key.user_color_source = ui::ColorProviderKey::UserColorSource::kAccent;
}
// scheme_variant.
ui::mojom::BrowserColorVariant color_variant =
theme_service->GetBrowserColorVariant();
if (!theme_service->UsingDeviceTheme() &&
color_variant != ui::mojom::BrowserColorVariant::kSystem) {
key.scheme_variant = GetSchemeVariant(color_variant);
}
// frame_type.
key.frame_type = ui::ColorProviderKey::FrameType::kNative;
return key;
return widget_key;
}
void CefWidgetImpl::OnThemeChanged() {