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script.js
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script.js
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const playPauseBtn = document.querySelector(".play-pause-btn");
const theaterBtn = document.querySelector(".theater-btn");
const fullScreenBtn = document.querySelector(".full-screen-btn");
const miniPlayerBtn = document.querySelector(".mini-player-btn");
const videoContainer = document.querySelector(".video-container");
const video = document.querySelector("video");
const muteBtn = document.querySelector(".mute-btn");
const volumeSlider = document.querySelector(".volume-slider");
const currentTimeElem = document.querySelector(".current-time");
const totalTimeElem = document.querySelector(".total-time");
const captionsBtn = document.querySelector(".captions-btn");
const speedBtn = document.querySelector(".speed-btn");
const previewImg = document.querySelector(".preview-img");
const thumbnailImg = document.querySelector(".thumbnail-img");
const timelineContainer = document.querySelector(".timeline-container");
document.addEventListener("keydown", (e) => {
const tagName = document.activeElement.tagName.toLowerCase();
if (tagName === "input") return;
switch (e.key.toLowerCase()) {
case " ":
if (tagName === "button") return;
case "k":
togglePlay();
break;
case "f":
toggleFullScreenMode();
break;
case "t":
toggleTheaterMode();
break;
case "i":
toggleMiniPlayerMode();
break;
case "m":
toggleMute();
break;
case "arrowleft":
case "j":
skip(-5);
break;
case "arrowright":
case "l":
skip(5);
break;
case "c":
toggleCaptions();
break;
}
});
// Timeline
timelineContainer.addEventListener("mousemove", handleTimelineUpdate);
timelineContainer.addEventListener("mousedown", toggleScrubbing);
document.addEventListener("mouseup", (e) => {
if (isScrubbing) toggleScrubbing(e);
});
document.addEventListener("mousemove", (e) => {
if (isScrubbing) handleTimelineUpdate(e);
});
let isScrubbing = false;
let wasPaused;
function toggleScrubbing(e) {
const rect = timelineContainer.getBoundingClientRect();
const percent = Math.min(Math.max(0, e.x - rect.x), rect.width) / rect.width;
isScrubbing = (e.buttons & 1) === 1;
videoContainer.classList.toggle("scrubbing", isScrubbing);
if (isScrubbing) {
wasPaused = video.paused;
video.pause();
} else {
video.currentTime = percent * video.duration;
if (!wasPaused) video.play();
}
handleTimelineUpdate(e);
}
function handleTimelineUpdate(e) {
const rect = timelineContainer.getBoundingClientRect();
const percent = Math.min(Math.max(0, e.x - rect.x), rect.width) / rect.width;
const previewImgNumber = Math.max(
1,
Math.floor((percent * video.duration) / 10)
);
const previewImgSrc = `assets/previewImgs/preview${previewImgNumber}.jpg`;
previewImg.src = previewImgSrc;
timelineContainer.style.setProperty("--preview-position", percent);
if (isScrubbing) {
e.preventDefault();
thumbnailImg.src = previewImgSrc;
timelineContainer.style.setProperty("--progress-position", percent);
}
}
// PlayBack Speed
speedBtn.addEventListener("click", changePlaybackSpeed);
function changePlaybackSpeed() {
let newPlaybackRate = video.playbackRate + 0.25;
if (newPlaybackRate > 2) newplaybackRate - 0.25;
video.playbackRate = newPlaybackRate;
speedBtn.textContent = `${newPlaybackRate}x`;
}
// Captions
const captions = video.textTracks[0];
captions.mode = "hidden";
captionsBtn.addEventListener("click", toggleCaptions);
function toggleCaptions() {
const isHidden = captions.mode === "hidden";
captions.mode = isHidden ? "showing" : "hidden";
videoContainer.classList.toggle("captions", isHidden);
}
// Duration Time
video.addEventListener("loadeddata", () => {
totalTimeElem.textContent = formatDuration(video.duration);
});
video.addEventListener("timeupdate", () => {
currentTimeElem.textContent = formatDuration(video.currentTime);
const percent = video.currentTime / video.duration;
timelineContainer.style.setProperty("--progress-position", percent);
});
const leadingZeroFormatter = new Intl.NumberFormat(undefined, {
minimumIntegerDigits: 2,
});
function formatDuration(time) {
const seconds = Math.floor(time % 60);
const minutes = Math.floor(time / 60) % 60;
const hours = Math.floor(time / 3600);
if (hours === 0) {
return `${minutes}:${leadingZeroFormatter.format(seconds)}`;
} else {
return `${hours}:${leadingZeroFormatter.format(
minutes
)}:${leadingZeroFormatter.format(seconds)}`;
}
}
function skip(duration) {
video.currentTime += duration;
}
// Volume Control Buttons
muteBtn.addEventListener("click", toggleMute);
volumeSlider.addEventListener("input", (e) => {
video.volume = e.target.value;
video.muted = e.target.value === 0;
});
function toggleMute() {
video.muted = !video.muted;
}
video.addEventListener("volumechange", () => {
volumeSlider.value = video.volume;
let volumeLevel;
if (video.muted || video.volume === 0) {
volumeSlider.value = 0;
volumeLevel = "muted";
} else if (video.volume >= 0.5) {
volumeLevel = "high";
} else {
volumeLevel = "low";
}
videoContainer.dataset.volumeLevel = volumeLevel;
});
// View Modes (Theater, Full-Screen & Mini Player Buttons)
theaterBtn.addEventListener("click", toggleTheaterMode);
fullScreenBtn.addEventListener("click", toggleFullScreenMode);
miniPlayerBtn.addEventListener("click", toggleMiniPlayerMode);
function toggleTheaterMode() {
videoContainer.classList.toggle("theater");
}
function toggleFullScreenMode() {
if (document.fullscreenElement == null) {
videoContainer.requestFullscreen();
} else {
document.exitFullscreen();
}
}
function toggleMiniPlayerMode() {
if (videoContainer.classList.contains("mini-player")) {
document.exitPictureInPicture();
} else {
video.requestPictureInPicture();
}
}
video.addEventListener("enterpictureinpicture", () => {
videoContainer.classList.add("mini-player");
});
video.addEventListener("leavepictureinpicture", () => {
videoContainer.classList.remove("mini-player");
});
document.addEventListener("fullscreenchange", () => {
videoContainer.classList.toggle("full-screen", document.fullscreenElement);
});
// Play/Pause Button
playPauseBtn.addEventListener("click", togglePlay);
video.addEventListener("click", togglePlay);
function togglePlay() {
video.paused ? video.play() : video.pause();
}
video.addEventListener("play", () => {
videoContainer.classList.remove("paused");
});
video.addEventListener("pause", () => {
videoContainer.classList.add("paused");
});