InfiniTime/src/displayapp/screens/StopWatch.cpp

175 lines
5.5 KiB
C++

#include "StopWatch.h"
#include "Screen.h"
#include "Symbols.h"
#include "lvgl/lvgl.h"
#include "projdefs.h"
#include "FreeRTOSConfig.h"
#include "task.h"
#include <tuple>
using namespace Pinetime::Applications::Screens;
// Anonymous namespace for local functions
namespace {
TimeSeparated_t convertTicksToTimeSegments(const TickType_t timeElapsed) {
const int timeElapsedMillis = (static_cast<float>(timeElapsed) / static_cast<float>(configTICK_RATE_HZ)) * 1000;
const int milliSecs = (timeElapsedMillis % 1000) / 10; // Get only the first two digits and ignore the last
const int secs = (timeElapsedMillis / 1000) % 60;
const int mins = (timeElapsedMillis / 1000) / 60;
return TimeSeparated_t {mins, secs, milliSecs};
}
TickType_t calculateDelta(const TickType_t startTime, const TickType_t currentTime) {
TickType_t delta = 0;
// Take care of overflow
if (startTime > currentTime) {
delta = 0xffffffff - startTime;
delta += (currentTime + 1);
} else {
delta = currentTime - startTime;
}
return delta;
}
}
static void play_pause_event_handler(lv_obj_t* obj, lv_event_t event) {
StopWatch* stopWatch = static_cast<StopWatch*>(obj->user_data);
stopWatch->playPauseBtnEventHandler(event);
}
static void stop_lap_event_handler(lv_obj_t* obj, lv_event_t event) {
StopWatch* stopWatch = static_cast<StopWatch*>(obj->user_data);
stopWatch->stopLapBtnEventHandler(event);
}
StopWatch::StopWatch(DisplayApp* app, const Pinetime::Controllers::DateTime& dateTime)
: Screen(app), dateTime {dateTime}, running {true}, currentState {States::INIT}, currentEvent {Events::STOP}, startTime {},
oldTimeElapsed {}, timeSeparated {}, lapNr {} {
time = lv_label_create(lv_scr_act(), nullptr);
lv_obj_set_style_local_text_font(time, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_extrabold_compressed);
lv_obj_align(time, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 0, -50);
msecTime = lv_label_create(lv_scr_act(), nullptr);
lv_obj_set_style_local_text_font(msecTime, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, &jetbrains_mono_bold_20);
lv_obj_align(msecTime, lv_scr_act(), LV_ALIGN_IN_LEFT_MID, 113, 0);
btnPlayPause = lv_btn_create(lv_scr_act(), nullptr);
btnPlayPause->user_data = this;
lv_obj_set_event_cb(btnPlayPause, play_pause_event_handler);
lv_obj_align(btnPlayPause, lv_scr_act(), LV_ALIGN_IN_BOTTOM_MID, 0, 0);
txtPlayPause = lv_label_create(btnPlayPause, nullptr);
lv_label_set_text(txtPlayPause, Symbols::play);
// We don't want this button in the init state
btnStopLap = nullptr;
}
StopWatch::~StopWatch() {
lv_obj_clean(lv_scr_act());
}
bool StopWatch::Refresh() {
switch (currentState) {
// Init state when an user first opens the app
// and when a stop/reset button is pressed
case States::INIT: {
if (btnStopLap) {
lv_obj_del(btnStopLap);
}
// The initial default value
lv_label_set_text(time, "00:00");
lv_label_set_text(msecTime, "00");
if (currentEvent == Events::PLAY) {
btnStopLap = lv_btn_create(lv_scr_act(), nullptr);
btnStopLap->user_data = this;
lv_obj_set_event_cb(btnStopLap, stop_lap_event_handler);
lv_obj_align(btnStopLap, lv_scr_act(), LV_ALIGN_IN_TOP_MID, 0, 0);
txtStopLap = lv_label_create(btnStopLap, nullptr);
// TODO: Change to Lap symbol
lv_label_set_text(txtStopLap, Symbols::shoe);
startTime = xTaskGetTickCount();
currentState = States::RUNNING;
}
break;
}
case States::RUNNING: {
lv_label_set_text(txtPlayPause, Symbols::pause);
// TODO: Change to Lap symbol
lv_label_set_text(txtStopLap, Symbols::shoe);
const auto timeElapsed = calculateDelta(startTime, xTaskGetTickCount());
timeSeparated = convertTicksToTimeSegments((oldTimeElapsed + timeElapsed));
lv_label_set_text_fmt(time, "%02d:%02d", timeSeparated.mins, timeSeparated.secs);
lv_label_set_text_fmt(msecTime, "%02d", timeSeparated.msecs);
if (currentEvent == Events::PAUSE) {
// Reset the start time
startTime = 0;
// Store the current time elapsed in cache
oldTimeElapsed += timeElapsed;
currentState = States::HALTED;
}
break;
}
case States::HALTED: {
lv_label_set_text(txtPlayPause, Symbols::play);
// TODO: Change to stop button
lv_label_set_text(txtStopLap, Symbols::stepBackward);
if (currentEvent == Events::PLAY) {
startTime = xTaskGetTickCount();
currentState = States::RUNNING;
}
if (currentEvent == Events::STOP) {
currentState = States::INIT;
}
break;
}
}
return running;
}
bool StopWatch::OnButtonPushed() {
running = false;
return true;
}
bool StopWatch::OnTouchEvent(uint16_t x, uint16_t y) {
if (y < 60) {
playPauseBtnEventHandler(LV_EVENT_CLICKED);
}
return true;
}
void StopWatch::playPauseBtnEventHandler(lv_event_t event) {
if (event == LV_EVENT_CLICKED) {
if (currentState == States::INIT) {
currentEvent = Events::PLAY;
} else {
// Simple Toggle for play/pause
currentEvent = (currentEvent == Events::PLAY ? Events::PAUSE : Events::PLAY);
}
}
}
void StopWatch::stopLapBtnEventHandler(lv_event_t event) {
if (event == LV_EVENT_CLICKED) {
// If running, then this button is used to save laps
if (currentState == States::RUNNING) {
// Add to cirbuffer our new value
} else if (currentState == States::HALTED) {
currentEvent = Events::STOP;
} else {
// Not possible to reach here. Do nothing.
}
}
}