Youtube - Floating Related Videos Pane

Enables browsing related videos while still being able to watch the currently playing video.

目前為 2023-02-08 提交的版本,檢視 最新版本

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Youtube - Floating Related Videos Pane
// @namespace    Nomicwave
// @version      1.0
// @description  Enables browsing related videos while still being able to watch the currently playing video.
// @author       Nomicwave
// @match        https://www.youtube.com/watch?*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @run-at       document-end
// ==/UserScript==

const dom = {
    playerContainer: null,
    playerControls: null,
    theaterContainer: null,
    toggle: null
}

const floatState = {
    disabled: 'disabled',
    normal: 'normal',
    always: 'always',
}

const floatClass = {
    enabled: 'frvp-enabled',
    theater: 'frvp-theater-mode',
}

function loadFloatStyle() {
    const cssText = `
    .frvp-enabled #secondary {
        position: sticky !important;
        top: 56px;
        height: calc(100vh - 56px);
    }

    .frvp-enabled ytd-item-section-renderer.style-scope.ytd-watch-next-secondary-results-renderer {
        box-shadow: inset 0 10px 15px -10px rgb(0 0 0 / 40%);
        overflow: hidden;
        overflow-y: overlay;
        overscroll-behavior-y: contain;
        height: calc(100vh - 56px - var(--ytd-margin-6x) - 51px);
        margin: 0 calc(var(--ytd-margin-6x) * -1) 0 calc(var(--ytd-margin-6x) * -1);
        padding: 0 var(--ytd-margin-6x) 0 var(--ytd-margin-6x);
    }

    .frvp-enabled.frvp-theater-mode ytd-item-section-renderer.style-scope.ytd-watch-next-secondary-results-renderer {
        height: calc(100vh - 56px - 51px);
    }

    .frvp-enabled ytd-item-section-renderer.style-scope.ytd-watch-next-secondary-results-renderer::-webkit-scrollbar {
        width: 10px;
    }

    .frvp-enabled ytd-item-section-renderer.style-scope.ytd-watch-next-secondary-results-renderer::-webkit-scrollbar-thumb {
        background: var(--yt-spec-badge-chip-background);
        background-repeat: no-repeat;
        border-radius: 10px;
    }

    .frvp-enabled ytd-item-section-renderer.style-scope.ytd-watch-next-secondary-results-renderer::-webkit-scrollbar-track {
        background: transparent;
    }`

    let style = document.createElement('style');
    style.type = 'text/css';
    if (style.styleSheet) {
        style.styleSheet.cssText = cssText;
    } else {
        style.appendChild(document.createTextNode(cssText));
    }

    document.getElementsByTagName('head')[0].appendChild(style);
};

function createToggleButton() {
    let div = document.createElement('div');
    div.innerHTML = (`
    <div class="style-scope ytd-menu-renderer" button-renderer="" style="margin-left: 8px;">
		<div>
			<button class="yt-spec-button-shape-next yt-spec-button-shape-next--tonal yt-spec-button-shape-next--mono yt-spec-button-shape-next--size-m yt-spec-button-shape-next--icon-leading " aria-label="Share" style="">
				<div class="yt-spec-button-shape-next__icon" aria-hidden="true" style="margin-left: 0; margin-right: 0;">
					<div style="width: 24px; height: 24px;">
						<svg viewBox="0 0 20 20" preserveAspectRatio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events: none; display: block; width: 100%; height: 100%;">
							<g mirror-in-rtl="" class="style-scope yt-icon">
								<path
									d="M19.629,9.655c-0.021-0.589-0.088-1.165-0.21-1.723h-3.907V7.244h1.378V6.555h-2.756V5.866h2.067V5.177h-0.689V4.488h-1.378V3.799h0.689V3.11h-1.378V2.421h0.689V1.731V1.294C12.88,0.697,11.482,0.353,10,0.353c-5.212,0-9.446,4.135-9.629,9.302H19.629z M6.555,2.421c1.522,0,2.756,1.234,2.756,2.756S8.077,7.933,6.555,7.933S3.799,6.699,3.799,5.177S5.033,2.421,6.555,2.421z"
									class="style-scope yt-icon"></path>
								<path
									d="M12.067,18.958h-0.689v-0.689h2.067v-0.689h0.689V16.89h2.067v-0.689h0.689v-0.689h-1.378v-0.689h-2.067v-0.689h1.378v-0.689h2.756v-0.689h-1.378v-0.689h3.218c0.122-0.557,0.189-1.134,0.21-1.723H0.371c0.183,5.167,4.418,9.302,9.629,9.302c0.711,0,1.401-0.082,2.067-0.227V18.958z"
									class="style-scope yt-icon"></path>
							</g>
						</svg>
						<!--css-build:shady-->
					</div>
				</div>
			</button>
		</div>
		<tp-yt-paper-tooltip fit-to-visible-bounds="" offset="8" role="tooltip" tabindex="-1" style="inset: 83.5px auto auto 594.664px;">
			<!--css-build:shady-->
			<div id="tooltip" class="style-scope tp-yt-paper-tooltip frvp-toggle-tooltip" style="text-transform:capitalize;">Toggle floating pane (disable, normal, always)</div>
		</tp-yt-paper-tooltip>
	</div>`).trim();
    return div.firstChild;
}

function waitForElement(selector) {
    return new Promise(resolve => {
        if (document.querySelector(selector)) {
            return resolve(document.querySelector(selector));
        }

        const observer = new MutationObserver(mutations => {
            if (document.querySelector(selector)) {
                resolve(document.querySelector(selector));
                observer.disconnect();
            }
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
}

function delay(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

function getFloatState() {
    return localStorage.getItem('floating-pane') ?? floatState.normal;
}

function setFloatState(state) {
    localStorage.setItem('floating-pane', state);
    floatStateChanged(state);
    dom.toggle.getElementsByClassName('frvp-toggle-tooltip')[0].innerText = state;
}

function floatStateChanged(state) {
    console.log(dom.playerContainer.childNodes.length)
    if (state === floatState.disabled) {
        observer.disconnect();
        document.body.classList.remove(floatClass.enabled, floatClass.theater);
    } else {
        if (state === floatState.normal && !(dom.theaterContainer.childNodes.length) ||
            state === floatState.always) {
            document.body.classList.add(floatClass.enabled);
            if (dom.theaterContainer.childNodes.length)
                document.body.classList.add(floatClass.theater);
        }
        observer.observe(dom.theaterContainer, { childList: true });
    }
}

const observer = new MutationObserver(async function (e) {
    await delay(1); // delays immediate changes
    // to allow the player state to change first
    let state = getFloatState();
    if (state === floatState.normal) {
        if (e[0].addedNodes.length) document.body.classList.remove(floatClass.enabled);
        else document.body.classList.add(floatClass.enabled);
    } else if (state === floatState.always) {
        if (e[0].addedNodes.length) document.body.classList.add(floatClass.theater);
        else document.body.classList.remove(floatClass.theater);
    }
});

(async function() {

    dom.playerContainer = await waitForElement('#player-container-inner');
    dom.playerControls = await waitForElement('ytd-app > #content > #page-manager > ytd-watch-flexy > #columns #primary > #primary-inner > #below > ytd-watch-metadata > #above-the-fold > #top-row > #actions > #actions-inner > #menu > ytd-menu-renderer > #top-level-buttons-computed');
    dom.theaterContainer = await waitForElement('#player-theater-container');
    dom.toggle = createToggleButton();

    loadFloatStyle();

    let state = getFloatState();
    floatStateChanged(state);

    dom.toggle.addEventListener('click', function (e) {
        let states = Object.values(floatState);
        let currentState = getFloatState();
        let currentStateIndex = states.indexOf(currentState)
        let nextStateIndex = (currentStateIndex + 1) % (states.length);
        let nextState = states[nextStateIndex];
        setFloatState(nextState);
    });

    dom.toggle.getElementsByClassName('frvp-toggle-tooltip')[0].innerText = state;
    dom.playerControls.appendChild(dom.toggle)
})();