Files
PowerToys/src/modules/LightSwitch/LightSwitchService/LightSwitchServiceObserver.h
Jaylyn Barbee 01fb831e4e [Light Switch] Light Switch should detect changes in Windows Settings and treat as manual override (same as using shortcut) (#42882)
<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
This PR ensures that Light Switch detects changes to app/system theme
from Windows Settings. This PR also introduces new behavior where
switching the schedule will cause an instant update to the theme if
necessary.

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## PR Checklist

- [x] Closes: #42878
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx
2025-10-28 12:00:38 -07:00

17 lines
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C++

#pragma once
#include "SettingsObserver.h"
// The LightSwitchServiceObserver reacts when LightSwitchSettings changes.
class LightSwitchServiceObserver : public SettingsObserver
{
public:
explicit LightSwitchServiceObserver(std::unordered_set<SettingId> observedSettings) :
SettingsObserver(std::move(observedSettings))
{
}
void SettingsUpdate(SettingId id) override;
bool WantsToBeNotified(SettingId id) const noexcept override;
};