Watch video using Picture-in-Picture
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// ==UserScript==
// @name Picture-in-Picture
// @namespace https://git.sr.ht/~anhkhoakz/UserScripts/tree/main/item/src/pip.ts
// @version 1.0.0
// @description Watch video using Picture-in-Picture
// @icon data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0iIzAwMDAwMCIgdmlld0JveD0iMCAwIDI1NiAyNTYiPjxwYXRoIGQ9Ik0yMTYsNDhINDBBMTYsMTYsMCwwLDAsMjQsNjRWMTkyYTE2LDE2LDAsMCwwLDE2LDE2SDIxNmExNiwxNiwwLDAsMCwxNi0xNlY2NEExNiwxNiwwLDAsMCwyMTYsNDhaTTQwLDY0SDIxNnY1NkgxMzZhOCw4LDAsMCwwLTgsOHY2NEg0MFpNMjE2LDE5MkgxNDRWMTM2aDcydjU2WiI+PC9wYXRoPjwvc3ZnPg==
// @author anhkhoakz
// @match *://*/*
// @grant GM_registerMenuCommand
// @run-at document-idle
// @license AGPL-3.0; https://www.gnu.org/licenses/agpl-3.0.html#license-text
// ==/UserScript==
// node_modules/@babel/runtime/helpers/esm/extends.js
function _extends() {
return _extends = Object.assign ? Object.assign.bind() : function(n) {
for (var e = 1;e < arguments.length; e++) {
var t = arguments[e];
for (var r in t)
({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
}
return n;
}, _extends.apply(null, arguments);
}
// node_modules/@violentmonkey/shortcut/dist/index.mjs
/*! @violentmonkey/shortcut v1.4.4 | ISC License */
var isMacintosh = navigator.userAgent.includes("Macintosh"), modifierList = ["m", "c", "s", "a"], modifiers = {
ctrl: "c",
control: "c",
shift: "s",
alt: "a",
meta: "m",
cmd: "m"
}, modifierAliases = _extends({}, modifiers, {
c: "c",
s: "s",
a: "a",
m: "m",
cm: isMacintosh ? "m" : "c",
ctrlcmd: isMacintosh ? "m" : "c"
});
var aliases = {
arrowup: "up",
arrowdown: "down",
arrowleft: "left",
arrowright: "right",
cr: "enter",
escape: "esc",
" ": "space"
};
function createKeyNode() {
return {
children: /* @__PURE__ */ new Map,
shortcuts: /* @__PURE__ */ new Set
};
}
function addKeyNode(root, sequence, shortcut) {
let node = root;
for (let key of sequence) {
let child = node.children.get(key);
if (!child)
child = createKeyNode(), node.children.set(key, child);
node = child;
}
node.shortcuts.add(shortcut);
}
function getKeyNode(root, sequence) {
let node = root;
for (let key of sequence)
if (node = node.children.get(key), !node)
break;
return node;
}
function removeKeyNode(root, sequence, shortcut) {
let node = root, ancestors = [node];
for (let key of sequence) {
if (node = node.children.get(key), !node)
return;
ancestors.push(node);
}
if (shortcut)
node.shortcuts.delete(shortcut);
else
node.shortcuts.clear();
let i = ancestors.length - 1;
while (i > 0) {
if (node = ancestors[i], node.shortcuts.size || node.children.size)
break;
ancestors[i - 1].children.delete(sequence[i - 1]), i -= 1;
}
}
function reprNodeTree(root) {
let result = [], reprChildren = (node, level = 0) => {
for (let [key, child] of node.children.entries())
result.push([" ".repeat(level), key, child.shortcuts.size ? ` (${child.shortcuts.size})` : ""].join("")), reprChildren(child, level + 1);
};
return reprChildren(root), result.join(`
`);
}
class Subject {
constructor(value) {
this.listeners = [], this.value = value;
}
get() {
return this.value;
}
set(value) {
this.value = value, this.listeners.forEach((listener) => listener(value));
}
subscribe(callback) {
return this.listeners.push(callback), callback(this.value), () => this.unsubscribe(callback);
}
unsubscribe(callback) {
let i = this.listeners.indexOf(callback);
if (i >= 0)
this.listeners.splice(i, 1);
}
}
function buildKey(key) {
let {
caseSensitive,
modifierState
} = key, {
base
} = key;
if (!caseSensitive || base.length > 1)
base = base.toLowerCase();
base = aliases[base] || base;
let keyExp = [...modifierList.filter((m) => modifierState[m]), base].filter(Boolean).join("-");
return `${caseSensitive ? "" : "i:"}${keyExp}`;
}
function breakKey(shortcut) {
let pieces = shortcut.split(/-(.)/), parts = [pieces[0]];
for (let i = 1;i < pieces.length; i += 2)
parts.push(pieces[i] + pieces[i + 1]);
return parts;
}
function parseKey(shortcut, caseSensitive) {
let parts = breakKey(shortcut), base = parts.pop(), modifierState = {};
for (let part of parts) {
let key = modifierAliases[part.toLowerCase()];
if (!key)
throw Error(`Unknown modifier key: ${part}`);
modifierState[key] = !0;
}
return caseSensitive && (caseSensitive = !(modifierState.a || modifierState.s)), {
base,
modifierState,
caseSensitive
};
}
function getSequence(input) {
return Array.isArray(input) ? input : input.split(/\s+/);
}
function normalizeSequence(input, caseSensitive) {
return getSequence(input).map((key) => parseKey(key, caseSensitive));
}
function parseCondition(condition) {
return condition.split("&&").map((key) => {
if (key = key.trim(), !key)
return;
if (key[0] === "!")
return {
not: !0,
field: key.slice(1).trim()
};
return {
not: !1,
field: key
};
}).filter(Boolean);
}
class KeyboardService {
constructor(options) {
this._context = {}, this._conditionData = {}, this._data = [], this._root = createKeyNode(), this.sequence = new Subject([]), this._timer = 0, this._reset = () => {
this._cur = void 0, this.sequence.set([]), this._resetTimer();
}, this.handleKey = (e) => {
if (!e.key || modifiers[e.key.toLowerCase()])
return;
this._resetTimer();
let keyExps = [
buildKey({
base: e.key,
modifierState: {
c: e.ctrlKey,
m: e.metaKey
},
caseSensitive: !0
}),
buildKey({
base: e.code,
modifierState: {
c: e.ctrlKey,
s: e.shiftKey,
a: e.altKey,
m: e.metaKey
},
caseSensitive: !1
}),
buildKey({
base: e.key,
modifierState: {
c: e.ctrlKey,
s: e.shiftKey,
a: e.altKey,
m: e.metaKey
},
caseSensitive: !1
})
], state = this._handleKeyOnce(keyExps, !1);
if (state) {
if (e.preventDefault(), state === 2)
this._reset();
}
this._timer = window.setTimeout(this._reset, this.options.sequenceTimeout);
}, this.options = _extends({}, KeyboardService.defaultOptions, options);
}
_resetTimer() {
if (this._timer)
window.clearTimeout(this._timer), this._timer = 0;
}
_addCondition(condition) {
let cache = this._conditionData[condition];
if (!cache) {
let value = parseCondition(condition);
cache = {
count: 0,
value,
result: this._evalCondition(value)
}, this._conditionData[condition] = cache;
}
cache.count += 1;
}
_removeCondition(condition) {
let cache = this._conditionData[condition];
if (cache) {
if (cache.count -= 1, !cache.count)
delete this._conditionData[condition];
}
}
_evalCondition(conditions) {
return conditions.every((cond) => {
let value = this._context[cond.field];
if (cond.not)
value = !value;
return value;
});
}
_checkShortcut(item) {
let cache = item.condition && this._conditionData[item.condition], enabled = !cache || cache.result;
if (item.enabled !== enabled)
item.enabled = enabled, this._enableShortcut(item);
}
_enableShortcut(item) {
(item.enabled ? addKeyNode : removeKeyNode)(this._root, item.sequence, item);
}
enable() {
this.disable(), document.addEventListener("keydown", this.handleKey);
}
disable() {
document.removeEventListener("keydown", this.handleKey);
}
register(key, callback, options) {
let {
caseSensitive,
condition
} = _extends({
caseSensitive: !1
}, options), item = {
sequence: normalizeSequence(key, caseSensitive).map((key2) => buildKey(key2)),
condition,
callback,
enabled: !1,
caseSensitive
};
if (condition)
this._addCondition(condition);
return this._checkShortcut(item), this._data.push(item), () => {
let index = this._data.indexOf(item);
if (index >= 0) {
if (this._data.splice(index, 1), condition)
this._removeCondition(condition);
item.enabled = !1, this._enableShortcut(item);
}
};
}
setContext(key, value) {
this._context[key] = value;
for (let cache of Object.values(this._conditionData))
cache.result = this._evalCondition(cache.value);
for (let item of this._data)
this._checkShortcut(item);
}
_handleKeyOnce(keyExps, fromRoot) {
var _cur, _cur2;
let cur = this._cur;
if (fromRoot || !cur)
fromRoot = !0, cur = this._root;
if (cur) {
let next;
for (let key of keyExps)
if (next = getKeyNode(cur, [key]), next) {
this.sequence.set([...this.sequence.get(), key]);
break;
}
cur = next;
}
this._cur = cur;
let [shortcut] = [...((_cur = cur) == null ? void 0 : _cur.shortcuts) || []];
if (!fromRoot && !shortcut && !((_cur2 = cur) != null && _cur2.children.size))
return this._reset(), this._handleKeyOnce(keyExps, !0);
if (shortcut) {
try {
shortcut.callback();
} catch (_unused) {}
return 2;
}
return this._cur ? 1 : 0;
}
repr() {
return reprNodeTree(this._root);
}
}
KeyboardService.defaultOptions = {
sequenceTimeout: 500
};
var service;
function getService() {
if (!service)
service = new KeyboardService, service.enable();
return service;
}
var register = (...args) => getService().register(...args);
// src/pip.ts
var PIP_ATTRIBUTE = "__pip__", PIP_ATTRIBUTE_VALUE = "true", VIDEO_SELECTOR = "video", KEYBOARD_SHORTCUT = "c-p", RESIZE_THROTTLE_MS = 300, VIDEO_READY_STATE_HAVE_NOTHING = 0, INITIAL_LARGEST_SIZE = 0, LEAVE_PIP_EVENT = "leavepictureinpicture", MENU_COMMAND_TEXT = "Toggle Picture-in-Picture", ERROR_MESSAGE_PIP_FAILED = "Failed to enter Picture-in-Picture:", currentPipVideo = null, resizeObserver = null, resizeThrottleTimer = null, getVideoSize = (video) => {
let rect = video.getBoundingClientRect();
return rect.width * rect.height;
}, findLargestPlayingVideo = () => {
let videos = Array.from(document.querySelectorAll(VIDEO_SELECTOR)), largestVideo, largestSize = INITIAL_LARGEST_SIZE;
for (let video of videos) {
if (video.readyState === VIDEO_READY_STATE_HAVE_NOTHING || video.disablePictureInPicture)
continue;
let size = getVideoSize(video);
if (size > largestSize)
largestSize = size, largestVideo = video;
}
return largestVideo;
}, requestPictureInPicture = async (video) => {
try {
await video.requestPictureInPicture(), video.setAttribute(PIP_ATTRIBUTE, PIP_ATTRIBUTE_VALUE), currentPipVideo = video;
let handleLeave = () => {
if (video.removeAttribute(PIP_ATTRIBUTE), currentPipVideo = null, resizeObserver !== null)
resizeObserver.disconnect(), resizeObserver = null;
};
if (video.addEventListener(LEAVE_PIP_EVENT, handleLeave, { once: !0 }), resizeObserver === null)
resizeObserver = new ResizeObserver(maybeUpdatePictureInPictureVideo);
resizeObserver.observe(video);
} catch (error) {
console.error(ERROR_MESSAGE_PIP_FAILED, error);
}
}, maybeUpdatePictureInPictureVideo = (entries, observer) => {
if (resizeThrottleTimer !== null)
return;
resizeThrottleTimer = window.setTimeout(() => {
resizeThrottleTimer = null;
let observedVideo = entries[0]?.target;
if (observedVideo === void 0)
return;
if (currentPipVideo === null)
return;
let video = findLargestPlayingVideo();
if (video !== void 0 && video !== currentPipVideo && !video.hasAttribute(PIP_ATTRIBUTE)) {
let currentSize = getVideoSize(currentPipVideo);
if (getVideoSize(video) > currentSize)
observer.unobserve(observedVideo), requestPictureInPicture(video);
}
}, RESIZE_THROTTLE_MS);
}, togglePictureInPicture = async () => {
if (currentPipVideo !== null) {
await document.exitPictureInPicture();
return;
}
let video = findLargestPlayingVideo();
if (video === void 0)
return;
await requestPictureInPicture(video);
}, registerKeyboardShortcuts = () => {
register(KEYBOARD_SHORTCUT, () => {
togglePictureInPicture();
});
}, registerMenuCommands = () => {
GM_registerMenuCommand(MENU_COMMAND_TEXT, () => {
togglePictureInPicture();
});
};
registerKeyboardShortcuts();
registerMenuCommands();