File size: 4,114 Bytes
6f0655f
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
import React from "react";
import { useTime } from "../context/time-context";
import {
  FaPlay,
  FaPause,
  FaBackward,
  FaForward,
  FaUndoAlt,
  FaArrowDown,
  FaArrowUp,
} from "react-icons/fa";

import { debounce } from "@/utils/debounce";

const PlaybackBar: React.FC = () => {
  const { duration, isPlaying, setIsPlaying, currentTime, setCurrentTime } =
    useTime();

  const sliderActiveRef = React.useRef(false);
  const wasPlayingRef = React.useRef(false);
  const [sliderValue, setSliderValue] = React.useState(currentTime);

  // Only update sliderValue from context if not dragging
  React.useEffect(() => {
    if (!sliderActiveRef.current) {
      setSliderValue(currentTime);
    }
  }, [currentTime]);

  const updateTime = debounce((t: number) => {
    setCurrentTime(t);
  }, 200);

  const handleSliderChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const t = Number(e.target.value);
    setSliderValue(t);
    updateTime(t);
  };

  const handleSliderMouseDown = () => {
    sliderActiveRef.current = true;
    wasPlayingRef.current = isPlaying;
    setIsPlaying(false);
  };

  const handleSliderMouseUp = () => {
    sliderActiveRef.current = false;
    setCurrentTime(sliderValue); // Snap to final value
    if (wasPlayingRef.current) {
      setIsPlaying(true);
    }
    // If it was paused before, keep it paused
  };

  return (
    <div className="flex items-center gap-4 w-full max-w-4xl mx-auto sticky bottom-0 bg-slate-900/95 px-4 py-3 rounded-3xl mt-auto">
      <button
        title="Jump backward 5 seconds"
        onClick={() => setCurrentTime(Math.max(0, currentTime - 5))}
        className="text-2xl hidden md:block"
      >
        <FaBackward size={24} />
      </button>
      <button
        className={`text-3xl transition-transform ${isPlaying ? "scale-90 opacity-60" : "scale-110"}`}
        title="Play. Toggle with Space"
        onClick={() => setIsPlaying(true)}
        style={{ display: isPlaying ? "none" : "inline-block" }}
      >
        <FaPlay size={24} />
      </button>
      <button
        className={`text-3xl transition-transform ${!isPlaying ? "scale-90 opacity-60" : "scale-110"}`}
        title="Pause. Toggle with Space"
        onClick={() => setIsPlaying(false)}
        style={{ display: !isPlaying ? "none" : "inline-block" }}
      >
        <FaPause size={24} />
      </button>
      <button
        title="Jump forward 5 seconds"
        onClick={() => setCurrentTime(Math.min(duration, currentTime + 5))}
        className="text-2xl hidden md:block"
      >
        <FaForward size={24} />
      </button>
      <button
        title="Rewind from start"
        onClick={() => setCurrentTime(0)}
        className="text-2xl hidden md:block"
      >
        <FaUndoAlt size={24} />
      </button>
      <input
        type="range"
        min={0}
        max={duration}
        step={0.01}
        value={sliderValue}
        onChange={handleSliderChange}
        onMouseDown={handleSliderMouseDown}
        onMouseUp={handleSliderMouseUp}
        onTouchStart={handleSliderMouseDown}
        onTouchEnd={handleSliderMouseUp}
        className="flex-1 mx-2 accent-orange-500 focus:outline-none focus:ring-0"
        aria-label="Seek video"
      />
      <span className="w-16 text-right tabular-nums text-xs text-slate-200 shrink-0">
        {Math.floor(sliderValue)} / {Math.floor(duration)}
      </span>

      <div className="text-xs text-slate-300 select-none ml-8 flex-col gap-y-0.5 hidden md:flex">
        <p>
          <span className="inline-flex items-center gap-1 font-mono align-middle">
            <span className="px-2 py-0.5 rounded border border-slate-400 bg-slate-800 text-slate-200 text-xs shadow-inner">
              Space
            </span>
          </span>{" "}
          to pause/unpause
        </p>
        <p>
          <span className="inline-flex items-center gap-1 font-mono align-middle">
            <FaArrowUp size={14} />/<FaArrowDown size={14} />
          </span>{" "}
          to previous/next episode
        </p>
      </div>
    </div>
  );
};

export default PlaybackBar;