73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#pragma once
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#include "Notification.hpp"
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#include <memory>
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class KeyPressAbstract {
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public:
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// Keys from Top Down left to right.
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enum class KeyId {
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Power,
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// Top 4 Buttons left to right
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Stop,
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Rewind,
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Play,
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FastForward,
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// Buttons around D Pad
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Menu,
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Info,
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Back,
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Source,
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// D Pad
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Up,
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Down,
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Left,
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Right,
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Center,
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// Volume Channel and 2 between
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VolUp,
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VolDown,
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Mute,
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Record,
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ChannelUp,
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ChannelDown,
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// Bottom 4 buttons left to right
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Aux1,
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Aux2,
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Aux3,
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Aux4,
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INVALID
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};
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class KeyEvent {
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public:
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enum class Type { Press, Release, INVALID };
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KeyEvent() = default;
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KeyEvent(const KeyId aId, const Type aType) : mId(aId), mType(aType) {}
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KeyId mId = KeyId::INVALID;
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Type mType = Type::INVALID;
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};
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KeyPressAbstract();
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/// @brief Register a SINGLE handler to be used for proccessing keys
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/// @param aKeyEventHandler - Callable the Handles KeyEvent
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void RegisterKeyPressHandler(std::function<bool(KeyEvent)> aKeyEventHandler);
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protected:
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/// @brief Function ment to be called regularly to allow
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/// proccesssing of key presses by calling mKeyEventHandler
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/// best case this is done on a seprate thread/task
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/// since it could take a while to handle a KeyPress
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virtual void HandleKeyPresses() = 0;
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/// @brief Function to queue up Key events to be handled later on by
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/// HandleKeyPresses() hopefully on a seprate thread or task
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/// This function should be implemented in a way that makes it ISR
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/// safe
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/// @param aJustOccuredKeyEvent - A Key even that just occured
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virtual void QueueKeyEvent(KeyEvent aJustOccuredKeyEvent) = 0;
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std::function<bool(KeyEvent)> mKeyEventHandler;
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}; |