feat: many timers (#706)

* wip: create simple timer class * refactor: service to manage extra timers * wip:ui for controlling the extra timer --------- Co-authored-by: arc-alex <ac@omnivox.dk>
2026-08-13 03:13:47 +00:00 · 2024-01-25 16:51:20 +01:00
parent 74e1ae609c
commit 2df3d376ad
17 changed files with 465 additions and 7 deletions
@@ -0,0 +1,78 @@
+import { SimpleDirection, SimplePlayback, SimpleTimerState } from 'ontime-types';
+
+export class SimpleTimer {
+  state: SimpleTimerState = {
+    duration: 0,
+    current: 0,
+    playback: SimplePlayback.Stop,
+    direction: SimpleDirection.CountDown,
+  };
+  private startedAt: number | null = null;
+  private pausedAt: number | null = null;
+
+  constructor() {}
+
+  public reset() {
+    this.state = {
+      duration: 0,
+      current: 0,
+      playback: SimplePlayback.Stop,
+      direction: SimpleDirection.CountDown,
+    };
+  }
+
+  /**
+   * Sets the duration of the timer
+   * @param time - time in milliseconds
+   */
+  public setTime(time: number): SimpleTimerState {
+    this.state.duration = time;
+    this.state.current = time;
+    return this.state;
+  }
+
+  public setDirection(direction: SimpleDirection): SimpleTimerState {
+    this.state.playback = SimplePlayback.Stop;
+    this.state.current = this.state.duration;
+    this.state.direction = direction;
+    return this.state;
+  }
+
+  public start(timeNow: number): SimpleTimerState {
+    if (this.state.playback === SimplePlayback.Pause) {
+      const elapsedSincePause = this.pausedAt - this.startedAt;
+      this.startedAt = timeNow - elapsedSincePause;
+    } else if (this.state.playback === SimplePlayback.Stop) {
+      this.startedAt = timeNow;
+    }
+    this.state.playback = SimplePlayback.Start;
+    return this.update(timeNow);
+  }
+
+  public pause(timeNow: number): SimpleTimerState {
+    if (this.state.playback !== SimplePlayback.Start) return this.state;
+    this.state.playback = SimplePlayback.Pause;
+    this.pausedAt = timeNow;
+    return this.state;
+  }
+
+  public stop(): SimpleTimerState {
+    this.state.playback = SimplePlayback.Stop;
+    this.state.current = this.state.duration;
+    this.startedAt = null;
+    return this.state;
+  }
+
+  public update(timeNow: number): SimpleTimerState {
+    if (this.state.playback === SimplePlayback.Start) {
+      const elapsed = timeNow - this.startedAt;
+      if (this.state.direction === SimpleDirection.CountDown) {
+        this.state.current = this.state.duration - elapsed;
+      } else if (this.state.direction === SimpleDirection.CountUp) {
+        this.state.current = this.state.duration + elapsed;
+      }
+    }
+
+    return this.state;
+  }
+}