kopia lustrzana https://github.com/meshtastic/firmware
57 wiersze
1.5 KiB
C++
57 wiersze
1.5 KiB
C++
#pragma once
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#include "Observer.h"
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// Constants for the various status types, so we can tell subclass instances apart
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#define STATUS_TYPE_BASE 0
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#define STATUS_TYPE_POWER 1
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#define STATUS_TYPE_GPS 2
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#define STATUS_TYPE_NODE 3
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namespace meshtastic
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{
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// A base class for observable status
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class Status
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{
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protected:
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// Allows us to observe an Observable
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CallbackObserver<Status, const Status *> statusObserver =
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CallbackObserver<Status, const Status *>(this, &Status::updateStatus);
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bool initialized = false;
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// Workaround for no typeid support
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int statusType = 0;
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public:
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// Allows us to generate observable events
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Observable<const Status *> onNewStatus;
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// Enable polymorphism ?
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virtual ~Status() = default;
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Status()
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{
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if (!statusType) {
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statusType = STATUS_TYPE_BASE;
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}
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}
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// Prevent object copy/move
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Status(const Status &) = delete;
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Status &operator=(const Status &) = delete;
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// Start observing a source of data
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void observe(Observable<const Status *> *source) { statusObserver.observe(source); }
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// Determines whether or not existing data matches the data in another Status instance
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bool matches(const Status *otherStatus) const { return true; }
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bool isInitialized() const { return initialized; }
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int getStatusType() const { return statusType; }
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// Called when the Observable we're observing generates a new notification
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int updateStatus(const Status *newStatus) { return 0; }
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};
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}; // namespace meshtastic
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