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◆ main openmsx / src / ThrottleManager.cc
1.4 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "ThrottleManager.hh"
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namespace openmsx {
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// class ThrottleManager:
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ThrottleManager::ThrottleManager(CommandController& commandController)
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	: throttleSetting(
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		commandController, "throttle",
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		"controls speed throttling", true, Setting::Save::NO)
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	, fullSpeedLoadingSetting(
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		commandController, "fullspeedwhenloading",
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		"sets openMSX to full speed when the MSX is loading", false)
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{
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	throttleSetting        .attach(*this);
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	fullSpeedLoadingSetting.attach(*this);
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}
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ThrottleManager::~ThrottleManager()
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{
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	throttleSetting        .detach(*this);
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	fullSpeedLoadingSetting.detach(*this);
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}
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void ThrottleManager::updateStatus()
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{
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	bool newThrottle = throttleSetting.getBoolean() &&
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	                   (!loading || !fullSpeedLoadingSetting.getBoolean());
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	if (throttle != newThrottle) {
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		throttle = newThrottle;
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		notify();
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	}
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}
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void ThrottleManager::indicateLoadingState(bool state)
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{
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	if (state) {
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		++loading;
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	} else {
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		--loading;
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	}
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	assert(loading >= 0);
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	updateStatus();
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}
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void ThrottleManager::update(const Setting& /*setting*/) noexcept
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{
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	updateStatus();
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}
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// class LoadingIndicator:
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LoadingIndicator::LoadingIndicator(ThrottleManager& throttleManager_)
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	: throttleManager(throttleManager_)
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{
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}
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LoadingIndicator::~LoadingIndicator()
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{
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	update(false);
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}
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void LoadingIndicator::update(bool newState)
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{
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	if (isLoading != newState) {
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		isLoading = newState;
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		throttleManager.indicateLoadingState(isLoading);
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	}
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}
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} // namespace openmsx