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https://github.com/wpilibsuite/allwpilib
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61996c2bbf
These relied on the OnStart and OnExit callbacks which were not present in the wpiutil common CallbackManager code. Add support for these and fix up other use cases. Also fixes notifications to correctly filter on event kind. This fixes a breakage caused by #3133.
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_H_
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#define CSCORE_NOTIFIER_H_
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#include <functional>
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#include <utility>
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#include <wpi/CallbackManager.h>
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#include "Handle.h"
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#include "cscore_cpp.h"
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namespace 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::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::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 : public wpi::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 cs
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#endif // CSCORE_NOTIFIER_H_
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