win: Fix stickyness of force-[light|dark]-mode on theme change (see #3534)

This commit is contained in:
Marshall Greenblatt 2023-08-29 15:23:06 -04:00
parent 0cae6e9bbe
commit 53a890ff2c
1 changed files with 21 additions and 7 deletions

View File

@ -50,7 +50,7 @@ index 604ef6b4771e3..0011a095f8a66 100644
} // namespace
// Helper object to respond to light mode/dark mode changeovers.
@@ -567,11 +575,15 @@ static void CaptionSettingsChangedNotificationCallback(CFNotificationCenterRef,
@@ -567,11 +575,15 @@ void NativeThemeMac::PaintSelectedMenuItem(
void NativeThemeMac::InitializeDarkModeStateAndObserver() {
__block auto theme = this;
@ -68,7 +68,7 @@ index 604ef6b4771e3..0011a095f8a66 100644
theme->set_preferred_color_scheme(CalculatePreferredColorScheme());
theme->NotifyOnNativeThemeUpdated();
}];
@@ -580,7 +592,9 @@ static void CaptionSettingsChangedNotificationCallback(CFNotificationCenterRef,
@@ -580,7 +592,9 @@ void NativeThemeMac::InitializeDarkModeStateAndObserver() {
void NativeThemeMac::ConfigureWebInstance() {
// NativeThemeAura is used as web instance so we need to initialize its state.
NativeTheme* web_instance = NativeTheme::GetInstanceForWeb();
@ -80,10 +80,21 @@ index 604ef6b4771e3..0011a095f8a66 100644
web_instance->SetPreferredContrast(CalculatePreferredContrast());
web_instance->set_prefers_reduced_transparency(PrefersReducedTransparency());
diff --git ui/native_theme/native_theme_win.cc ui/native_theme/native_theme_win.cc
index d3f9fcbed28f9..94673728a3e11 100644
index d3f9fcbed28f9..32ab3dc997027 100644
--- ui/native_theme/native_theme_win.cc
+++ ui/native_theme/native_theme_win.cc
@@ -637,7 +637,7 @@ bool NativeThemeWin::ShouldUseDarkColors() const {
@@ -630,14 +630,17 @@ bool NativeThemeWin::ShouldUseDarkColors() const {
// Windows high contrast modes are entirely different themes,
// so let them take priority over dark mode.
// ...unless --force-dark-mode was specified in which case caveat emptor.
- if (InForcedColorsMode() && !IsForcedDarkMode())
+ if (supports_windows_dark_mode_ && IsForcedDarkMode()) {
+ return true;
+ }
+ if (InForcedColorsMode())
return false;
return NativeTheme::ShouldUseDarkColors();
}
NativeTheme::PreferredColorScheme
NativeThemeWin::CalculatePreferredColorScheme() const {
@ -92,12 +103,15 @@ index d3f9fcbed28f9..94673728a3e11 100644
return NativeTheme::CalculatePreferredColorScheme();
// According to the spec, the preferred color scheme for web content is 'dark'
@@ -1591,7 +1591,7 @@ void NativeThemeWin::RegisterThemeRegkeyObserver() {
@@ -1590,8 +1593,9 @@ void NativeThemeWin::RegisterThemeRegkeyObserver() {
}
void NativeThemeWin::UpdateDarkModeStatus() {
bool dark_mode_enabled = false;
- bool dark_mode_enabled = false;
- if (hkcu_themes_regkey_.Valid()) {
+ if (supports_windows_dark_mode_ && hkcu_themes_regkey_.Valid()) {
+ bool dark_mode_enabled = ShouldUseDarkColors();
+ if (supports_windows_dark_mode_ && !IsForcedDarkMode() &&
+ hkcu_themes_regkey_.Valid()) {
DWORD apps_use_light_theme = 1;
hkcu_themes_regkey_.ReadValueDW(L"AppsUseLightTheme",
&apps_use_light_theme);