From 418ce714f947cae8c4497df43a84c3741da803b8 Mon Sep 17 00:00:00 2001
From: Francesco Bedussi <francesco.bedussi@abstract.it>
Date: Sat, 2 May 2020 13:45:22 +0200
Subject: [PATCH] feat: add timer app

---
 apps.json              |  21 ++++++
 apps/timer/ChangeLog   |   1 +
 apps/timer/README.md   |  16 +++++
 apps/timer/app-icon.js |   5 ++
 apps/timer/app.js      | 151 +++++++++++++++++++++++++++++++++++++++++
 apps/timer/app.png     | Bin 0 -> 2107 bytes
 6 files changed, 194 insertions(+)
 create mode 100644 apps/timer/ChangeLog
 create mode 100644 apps/timer/README.md
 create mode 100644 apps/timer/app-icon.js
 create mode 100644 apps/timer/app.js
 create mode 100644 apps/timer/app.png

diff --git a/apps.json b/apps.json
index e9e38a1a1..c57d94958 100644
--- a/apps.json
+++ b/apps.json
@@ -1550,5 +1550,26 @@
       {"name":"hidjoystick.app.js","url":"app.js"},
       {"name":"hidjoystick.img","url":"app-icon.js","evaluate":true}
     ]
+  },
+  {
+    "id": "timer",
+    "name": "Timer",
+    "icon": "app.png",
+    "version": "0.01",
+    "description": "Simple timer, useful when playing board games or cooking",
+    "tags": "timer",
+    "readme": "README.md",
+    "allow_emulator": true,
+    "storage": [
+      {
+        "name": "timer.app.js",
+        "url": "app.js"
+      },
+      {
+        "name": "timer.img",
+        "url": "app-icon.js",
+        "evaluate": true
+      }
+    ]
   }
 ]
diff --git a/apps/timer/ChangeLog b/apps/timer/ChangeLog
new file mode 100644
index 000000000..ec66c5568
--- /dev/null
+++ b/apps/timer/ChangeLog
@@ -0,0 +1 @@
+0.01: Initial version
diff --git a/apps/timer/README.md b/apps/timer/README.md
new file mode 100644
index 000000000..9326e510d
--- /dev/null
+++ b/apps/timer/README.md
@@ -0,0 +1,16 @@
+# Timer
+
+Simple timer, useful when playing board games or cooking
+
+## Features
+
+- When the time is up the timer can be reset to starting time, this is useful e.g. for playing board games
+- When the countdown is running the timer cannot be adjusted, this prevents accidental time variations
+- When the time is up the starting time is shown, as a reminder of the time elapsed
+
+## How to use it
+
+- Tap on minutes to increase them one by one
+- Tap on seconds to increase them one by one
+- Press BTN3 to reset time to 0
+- Press BTN1 to start the timer or reset to the original time
diff --git a/apps/timer/app-icon.js b/apps/timer/app-icon.js
new file mode 100644
index 000000000..b55486dd1
--- /dev/null
+++ b/apps/timer/app-icon.js
@@ -0,0 +1,5 @@
+require("heatshrink").decompress(
+  atob(
+    "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"
+  )
+)
diff --git a/apps/timer/app.js b/apps/timer/app.js
new file mode 100644
index 000000000..dadbdb825
--- /dev/null
+++ b/apps/timer/app.js
@@ -0,0 +1,151 @@
+let counter = 0;
+let setValue = 0;
+let counterInterval;
+let state;
+
+const DEBOUNCE = 50;
+
+function buzzAndBeep() {
+  return Bangle.buzz(1000, 1)
+    .then(() => Bangle.beep(200, 3000))
+    .then(() => setTimeout(buzzAndBeep, 5000));
+}
+
+function outOfTime() {
+  g.clearRect(0, 0, 220, 70);
+  g.setFontAlign(0, 0);
+  g.setFont("6x8", 3);
+  g.drawString("Time UP!", 120, 50);
+  counter = setValue;
+  buzzAndBeep();
+  setInterval(() => {
+    g.clearRect(0, 70, 220, 160);
+    setTimeout(draw, 200);
+  }, 400);
+  state = "stopped";
+}
+
+function draw() {
+  const minutes = Math.floor(counter / 60);
+  const seconds = Math.floor(counter % 60);
+  const seconds2Digits = seconds < 10 ? `0${seconds}` : seconds.toString();
+  g.clearRect(0, 70, 220, 160);
+  g.setFontAlign(0, 0);
+  g.setFont("6x8", 7);
+  g.drawString(
+    `${minutes < 10 ? "0" : ""}${minutes}:${seconds2Digits}`,
+    120,
+    120
+  );
+}
+
+function countDown() {
+  if (counter <= 0) {
+    if (counterInterval) {
+      clearInterval(counterInterval);
+      counterInterval = undefined;
+    }
+    outOfTime();
+    return;
+  }
+
+  counter--;
+  draw();
+}
+
+function clearIntervals() {
+  clearInterval();
+  counterInterval = undefined;
+}
+
+function set(delta) {
+  if (state === "started") return;
+  counter += delta;
+  if (state === "unset") {
+    state = "set";
+  }
+  draw();
+  g.flip();
+}
+
+function startTimer() {
+  setValue = counter;
+  countDown();
+  counterInterval = setInterval(countDown, 1000);
+}
+
+// unset -> set -> started -> -> stopped -> set
+const stateMap = {
+  set: () => {
+    state = "started";
+    startTimer();
+  },
+  started: () => {
+    reset(setValue);
+  },
+  stopped: () => {
+    reset(setValue);
+  }
+};
+
+function changeState() {
+  if (stateMap[state]) stateMap[state]();
+}
+
+function drawLabels() {
+  g.clear();
+  g.setFontAlign(-1, 0);
+  g.setFont("6x8", 7);
+  g.drawString(`+  +`, 35, 180);
+  g.setFontAlign(0, 0, 3);
+  g.setFont("6x8", 1);
+  g.drawString(`reset                   (re)start`, 230, 120);
+}
+
+function reset(value) {
+  clearIntervals();
+  counter = value;
+  setValue = value;
+  drawLabels();
+  draw();
+  state = value === 0 ? "unset" : "set";
+}
+
+function addWatch() {
+  clearWatch();
+  setWatch(changeState, BTN1, {
+    debounce: DEBOUNCE,
+    repeat: true,
+    edge: "falling"
+  });
+  setWatch(
+    () => {
+      reset(0);
+    },
+    BTN3,
+    {
+      debounce: DEBOUNCE,
+      repeat: true,
+      edge: "falling"
+    }
+  );
+  setWatch(
+    () => {
+      set(60);
+    },
+    BTN4,
+    {
+      debounce: DEBOUNCE,
+      repeat: true,
+      edge: "falling"
+    }
+  );
+  setWatch(() => set(1), BTN5, {
+    debounce: DEBOUNCE,
+    repeat: true,
+    edge: "falling"
+  });
+}
+
+reset(0);
+addWatch();
diff --git a/apps/timer/app.png b/apps/timer/app.png
new file mode 100644
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