flipperzero-firmware/applications/gui/gui_event.c
2020-10-15 18:13:18 +03:00

75 lines
2.0 KiB
C

#include "gui_event.h"
#include <flipper.h>
#include <assert.h>
#define GUI_EVENT_MQUEUE_SIZE 8
struct GuiEvent {
FuriRecordSubscriber* input_event_record;
osMessageQueueId_t mqueue;
osMutexId_t lock_mutex;
};
void gui_event_input_events_callback(const void* value, size_t size, void* ctx) {
assert(ctx);
GuiEvent* gui_event = ctx;
GuiMessage message;
message.type = GuiMessageTypeInput;
message.input = *(InputEvent*)value;
osMessageQueuePut(gui_event->mqueue, &message, 0, 0);
}
GuiEvent* gui_event_alloc() {
GuiEvent* gui_event = furi_alloc(sizeof(GuiEvent));
// Allocate message que
gui_event->mqueue = osMessageQueueNew(GUI_EVENT_MQUEUE_SIZE, sizeof(GuiMessage), NULL);
assert(gui_event->mqueue);
// Input
gui_event->input_event_record = furi_open_deprecated(
"input_events", false, false, gui_event_input_events_callback, NULL, gui_event);
assert(gui_event->input_event_record != NULL);
// Lock mutex
gui_event->lock_mutex = osMutexNew(NULL);
assert(gui_event->lock_mutex);
gui_event_lock(gui_event);
return gui_event;
}
void gui_event_free(GuiEvent* gui_event) {
assert(gui_event);
gui_event_unlock(gui_event);
assert(osMessageQueueDelete(gui_event->mqueue) == osOK);
free(gui_event);
}
void gui_event_lock(GuiEvent* gui_event) {
assert(gui_event);
assert(osMutexAcquire(gui_event->lock_mutex, osWaitForever) == osOK);
}
void gui_event_unlock(GuiEvent* gui_event) {
assert(gui_event);
assert(osMutexRelease(gui_event->lock_mutex) == osOK);
}
void gui_event_messsage_send(GuiEvent* gui_event, GuiMessage* message) {
assert(gui_event);
assert(message);
osMessageQueuePut(gui_event->mqueue, message, 0, 0);
}
GuiMessage gui_event_message_next(GuiEvent* gui_event) {
assert(gui_event);
GuiMessage message;
gui_event_unlock(gui_event);
while(osMessageQueueGet(gui_event->mqueue, &message, NULL, osWaitForever) != osOK) {
};
gui_event_lock(gui_event);
return message;
}