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service/pipewire: refactor defaults and metadata handling

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This commit is contained in:
outfoxxed 2024-09-23 18:41:38 -07:00
parent 7f9762be53
commit f889f08901
Signed by: outfoxxed
GPG key ID: 4C88A185FB89301E
11 changed files with 455 additions and 144 deletions
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33
src/core/util.hpp
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@ -1,7 +1,9 @@
#pragma once
#include <type_traits>
#include <qobject.h>
#include <qtclasshelpermacros.h>
#include <qtmetamacros.h>
// NOLINTBEGIN
#define DROP_EMIT(object, func) \
@ -211,3 +213,34 @@ public:
GuardedEmitBlocker block() { return GuardedEmitBlocker(&this->blocked); }
};
template <auto member, auto destroyedSlot, auto changedSignal>
class SimpleObjectHandleOps {
using Traits = MemberPointerTraits<decltype(member)>;
public:
static bool setObject(Traits::Class* parent, Traits::Type value) {
if (value == parent->*member) return false;
if (parent->*member != nullptr) {
QObject::disconnect(parent->*member, &QObject::destroyed, parent, destroyedSlot);
}
parent->*member = value;
if (value != nullptr) {
QObject::connect(parent->*member, &QObject::destroyed, parent, destroyedSlot);
}
if constexpr (changedSignal != nullptr) {
emit(parent->*changedSignal)();
}
return true;
}
};
template <auto member, auto destroyedSlot, auto changedSignal = nullptr>
bool setSimpleObjectHandle(auto* parent, auto* value) {
return SimpleObjectHandleOps<member, destroyedSlot, changedSignal>::setObject(parent, value);
}