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https://github.com/wpilibsuite/allwpilib
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94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
// Copyright (c) FIRST and other WPILib contributors.
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// Open Source Software; you can modify and/or share it under the terms of
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// the WPILib BSD license file in the root directory of this project.
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#ifndef CSCORE_NOTIFIER_HPP_
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#define CSCORE_NOTIFIER_HPP_
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#include <functional>
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#include <utility>
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#include "Handle.hpp"
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#include "wpi/cs/cscore_cpp.hpp"
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#include "wpi/util/CallbackManager.hpp"
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namespace wpi::cs {
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class SinkImpl;
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class SourceImpl;
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namespace impl {
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struct ListenerData : public wpi::util::CallbackListenerData<
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std::function<void(const RawEvent& event)>> {
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ListenerData() = default;
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ListenerData(std::function<void(const RawEvent& event)> callback_,
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int eventMask_)
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: CallbackListenerData(std::move(callback_)), eventMask(eventMask_) {}
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ListenerData(unsigned int pollerUid_, int eventMask_)
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: CallbackListenerData(pollerUid_), eventMask(eventMask_) {}
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int eventMask;
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};
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class NotifierThread
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: public wpi::util::CallbackThread<NotifierThread, RawEvent, ListenerData> {
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public:
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NotifierThread(std::function<void()> on_start, std::function<void()> on_exit)
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: CallbackThread(std::move(on_start), std::move(on_exit)) {}
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bool Matches(const ListenerData& listener, const RawEvent& data) {
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return (data.kind & listener.eventMask) != 0;
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}
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void SetListener(RawEvent* data, unsigned int listener_uid) {
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data->listener = Handle(listener_uid, Handle::kListener);
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}
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void DoCallback(std::function<void(const RawEvent& event)> callback,
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const RawEvent& data) {
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callback(data);
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}
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};
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} // namespace impl
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class Notifier
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: public wpi::util::CallbackManager<Notifier, impl::NotifierThread> {
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friend class NotifierTest;
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public:
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Notifier();
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~Notifier();
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void Start();
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unsigned int Add(std::function<void(const RawEvent& event)> callback,
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int eventMask);
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unsigned int AddPolled(unsigned int pollerUid, int eventMask);
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// Notification events
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void NotifySource(std::string_view name, CS_Source source, CS_EventKind kind);
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void NotifySource(const SourceImpl& source, CS_EventKind kind);
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void NotifySourceVideoMode(const SourceImpl& source, const VideoMode& mode);
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void NotifySourceProperty(const SourceImpl& source, CS_EventKind kind,
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std::string_view propertyName, int property,
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CS_PropertyKind propertyKind, int value,
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std::string_view valueStr);
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void NotifySink(std::string_view name, CS_Sink sink, CS_EventKind kind);
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void NotifySink(const SinkImpl& sink, CS_EventKind kind);
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void NotifySinkSourceChanged(std::string_view name, CS_Sink sink,
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CS_Source source);
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void NotifySinkProperty(const SinkImpl& sink, CS_EventKind kind,
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std::string_view propertyName, int property,
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CS_PropertyKind propertyKind, int value,
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std::string_view valueStr);
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void NotifyNetworkInterfacesChanged();
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void NotifyTelemetryUpdated();
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void NotifyUsbCamerasChanged();
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};
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} // namespace wpi::cs
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#endif // CSCORE_NOTIFIER_HPP_
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