Files
ArtPlayer/docs/uncompiled/artplayer-plugin-danmu.js
T
2019-04-30 15:10:30 +08:00

622 lines
19 KiB
JavaScript

(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global['artplayer-plugin-danmu'] = factory());
}(this, function () { 'use strict';
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
var arrayWithHoles = _arrayWithHoles;
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
var iterableToArrayLimit = _iterableToArrayLimit;
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
var nonIterableRest = _nonIterableRest;
function _slicedToArray(arr, i) {
return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || nonIterableRest();
}
var slicedToArray = _slicedToArray;
function bilibiliDanmuParseFromXml(xmlString) {
if (typeof xmlString !== 'string') return [];
var srtList = xmlString.match(/<d([\S ]*?>[\S ]*?)<\/d>/gi);
return srtList.length ? srtList.map(function (item) {
var _item$match = item.match(/<d p="(.+)">(.+)<\/d>/),
_item$match2 = slicedToArray(_item$match, 3),
attrStr = _item$match2[1],
text = _item$match2[2];
var attr = attrStr.split(',');
return attr.length === 8 && text.trim() ? {
text: text,
time: Number(attr[0]),
mode: Number(attr[1]),
size: Number(attr[2]),
color: "#".concat(Number(attr[3]).toString(16)),
timestamp: Number(attr[4]),
pool: Number(attr[5]),
userID: attr[6],
rowID: Number(attr[7])
} : null;
}) : [];
}
function bilibiliDanmuParseFromUrl(url) {
return fetch(url).then(function (res) {
return res.text();
}).then(function (xmlString) {
return bilibiliDanmuParseFromXml(xmlString);
});
}
function bilibiliDanmuParseFromAv(av) {
var corsUrl = 'https://cors-anywhere.herokuapp.com/';
return fetch("".concat(corsUrl, "https://api.bilibili.com/x/web-interface/view?aid=").concat(av)).then(function (res) {
return res.json();
}).then(function (res) {
if (res.code === 0 && res.data && res.data.cid) {
return bilibiliDanmuParseFromUrl("".concat(corsUrl, "https://api.bilibili.com/x/v1/dm/list.so?oid=").concat(res.data.cid));
}
throw new Error("Unable to get data: ".concat(JSON.stringify(res)));
});
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
var defineProperty = _defineProperty;
function _objectSpread(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = Object.keys(source);
if (typeof Object.getOwnPropertySymbols === 'function') {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
}
ownKeys.forEach(function (key) {
defineProperty(target, key, source[key]);
});
}
return target;
}
var objectSpread = _objectSpread;
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
var classCallCheck = _classCallCheck;
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
var createClass = _createClass;
function getDanmuTopByDiff(danmus) {
var top = 0;
var maxDiff = 0;
for (var index = 1; index < danmus.length; index += 1) {
var item = danmus[index];
var prev = danmus[index - 1];
var prevTop = prev.top + prev.height;
var diff = item.top - prevTop;
if (diff > maxDiff) {
top = prevTop;
maxDiff = diff;
}
}
return top;
}
function getDanmuTopBySparse(danmus) {
var topMap = {};
for (var index = 0; index < danmus.length; index += 1) {
var item = danmus[index];
if (topMap[item.top]) {
topMap[item.top].push(item);
} else {
topMap[item.top] = [item];
}
}
var maxRight = 0;
var top = 0;
var topMapKeys = Object.keys(topMap);
for (var _index = 0; _index < topMapKeys.length; _index += 1) {
var minRight = danmus[0].width;
var topKey = topMapKeys[_index];
var danmuArr = topMap[topKey];
for (var _index2 = 0; _index2 < danmuArr.length; _index2 += 1) {
var danmu = danmuArr[_index2];
if (danmu.right < minRight) {
minRight = danmu.right;
}
}
if (minRight > maxRight) {
maxRight = minRight;
var _danmuArr = slicedToArray(danmuArr, 1);
top = _danmuArr[0].top;
}
}
if (top === 0) {
var randomKey = Math.floor(Math.random() * (2 - topMapKeys.length) + topMapKeys.length - 1);
top = topMapKeys[randomKey];
}
return top;
}
function getDanmuTop(danmus) {
var top = getDanmuTopByDiff(danmus);
if (top === 0) {
top = getDanmuTopBySparse(danmus);
}
return top;
}
var Danmuku =
/*#__PURE__*/
function () {
function Danmuku(art, option) {
var _this = this;
classCallCheck(this, Danmuku);
this.art = art;
this.queue = [];
this.isStop = false;
this.refs = [];
this.animationFrameTimer = null;
this.$danmuku = art.template.$danmuku;
art.i18n.update(Danmuku.i18n);
art.on('video:play', this.start.bind(this));
art.on('video:playing', this.start.bind(this));
art.on('video:pause', this.stop.bind(this));
art.on('video:waiting', this.stop.bind(this));
art.on('resize', this.resize.bind(this));
art.on('destroy', this.stop.bind(this));
this.config(option);
if (typeof this.option.danmuku === 'function') {
this.option.danmuku().then(function (danmus) {
danmus.forEach(_this.addToQueue.bind(_this));
art.emit('artplayerPluginDanmu:loaded');
});
} else if (typeof this.option.danmuku === 'string') {
bilibiliDanmuParseFromUrl(this.option.danmuku).then(function (danmus) {
danmus.forEach(_this.addToQueue.bind(_this));
art.emit('artplayerPluginDanmu:loaded');
});
} else {
this.option.danmuku.forEach(this.addToQueue.bind(this));
art.emit('artplayerPluginDanmu:loaded');
}
}
createClass(Danmuku, [{
key: "config",
value: function config(option) {
var _this$art$constructor = this.art.constructor,
clamp = _this$art$constructor.utils.clamp,
validator = _this$art$constructor.validator;
this.option = Object.assign({}, Danmuku.option, option);
validator(this.option, Danmuku.scheme);
this.option.speed = clamp(this.option.speed, 1, 10);
this.option.opacity = clamp(this.option.opacity, 0, 1);
this.option.size = clamp(this.option.size, 12, 30);
this.option.maxlength = clamp(this.option.maxlength, 10, 100);
this.option.margin[0] = clamp(this.option.margin[0], 0, 100);
this.option.margin[1] = clamp(this.option.margin[1], 0, 100);
}
}, {
key: "emit",
value: function emit(danmu) {
var $player = this.art.template.$player;
danmu.$ref = this.getDanmuRef();
danmu.$ref.innerText = danmu.text;
danmu.$ref.style.fontSize = "".concat(danmu.size || this.option.size, "px");
var playerWidth = Danmuku.getRect($player, 'width');
var danmuWidth = Danmuku.getRect(danmu.$ref, 'width');
danmu.$restWidth = playerWidth + danmuWidth + 5;
danmu.$restTime = this.option.speed;
danmu.$lastStartTime = Date.now();
danmu.$ref.style.color = danmu.color || this.option.color;
danmu.$ref.style.left = "".concat(playerWidth, "px");
danmu.$ref.style.top = "".concat(this.getDanmuTop(), "px");
danmu.$ref.style.transform = "translateX(".concat(-danmu.$restWidth, "px) translateY(0px) translateZ(0px)");
danmu.$ref.style.transition = "transform ".concat(danmu.$restTime, "s linear 0s");
if (danmu.border) {
danmu.$ref.style.border = "1px solid ".concat(danmu.border);
}
danmu.$state = 'emit';
}
}, {
key: "resize",
value: function resize() {
var $player = this.art.template.$player;
var _Danmuku$getRect = Danmuku.getRect($player),
playerWidth = _Danmuku$getRect.width;
this.queue.forEach(function (danmu) {
danmu.$state = 'wait';
});
this.refs.forEach(function ($ref) {
$ref.style.left = "".concat(playerWidth, "px");
$ref.style.border = 'none';
$ref.style.transform = 'translateX(0px) translateY(0px) translateZ(0px)';
$ref.style.transition = 'transform 0s linear 0s';
});
}
}, {
key: "suspend",
value: function suspend(danmu) {
var $player = this.art.template.$player;
var _Danmuku$getRect2 = Danmuku.getRect($player),
playerLeft = _Danmuku$getRect2.left,
playerWidth = _Danmuku$getRect2.width;
var _Danmuku$getRect3 = Danmuku.getRect(danmu.$ref),
danmuLeft = _Danmuku$getRect3.left;
danmu.$restTime -= (Date.now() - danmu.$lastStartTime) / 1000;
var translateX = playerWidth - (danmuLeft - playerLeft) + 5;
danmu.$ref.style.transform = "translateX(".concat(-translateX, "px) translateY(0px) translateZ(0px)");
danmu.$ref.style.transition = 'transform 0s linear 0s';
danmu.$state = 'stop';
}
}, {
key: "addToQueue",
value: function addToQueue(danmu) {
var _this$art = this.art,
notice = _this$art.notice,
player = _this$art.player,
i18n = _this$art.i18n;
if (!danmu.text.trim()) {
notice.show(i18n.get('Danmu text cannot be empty'));
return;
}
if (danmu.text.length > this.option.maxlength) {
notice.show("".concat(i18n.get('The length of the danmu does not exceed'), " ").concat(this.option.maxlength));
return;
}
if (typeof danmu.time !== 'number') {
danmu.time = player.currentTime;
}
this.queue.push(objectSpread({}, danmu, {
$state: 'wait',
$ref: null,
$restTime: 0,
$lastStartTime: 0
}));
}
}, {
key: "getDanmuRef",
value: function getDanmuRef() {
var $player = this.art.template.$player;
var _this$art$constructor2 = this.art.constructor.utils,
setStyles = _this$art$constructor2.setStyles,
append = _this$art$constructor2.append;
var playerLeft = Danmuku.getRect($player, 'left');
var waitDanmu = this.queue.find(function (danmu) {
if (danmu.$ref) {
var _Danmuku$getRect4 = Danmuku.getRect(danmu.$ref),
danmuLeft = _Danmuku$getRect4.left,
danmuWidth = _Danmuku$getRect4.width;
return danmu.$state === 'emit' && playerLeft > danmuLeft + danmuWidth;
}
return false;
});
if (waitDanmu) {
waitDanmu.$state = 'wait';
waitDanmu.$ref.style.border = 'none';
waitDanmu.$ref.style.transform = 'translateX(0px) translateY(0px) translateZ(0px)';
waitDanmu.$ref.style.transition = 'transform 0s linear 0s';
this.$danmuku.appendChild(waitDanmu.$ref);
return waitDanmu.$ref;
}
var $ref = document.createElement('div');
setStyles($ref, {
userSelect: 'none',
position: 'absolute',
whiteSpace: 'pre',
pointerEvents: 'none',
perspective: '500px',
display: 'inline-block',
willChange: 'transform',
fontFamily: 'SimHei, "Microsoft JhengHei", Arial, Helvetica, sans-serif',
fontWeight: 'normal',
lineHeight: '1.125',
textShadow: 'rgb(0, 0, 0) 1px 0px 1px, rgb(0, 0, 0) 0px 1px 1px, rgb(0, 0, 0) 0px -1px 1px, rgb(0, 0, 0) -1px 0px 1px'
});
append(this.$danmuku, $ref);
this.refs.push($ref);
return $ref;
}
}, {
key: "getDanmuTop",
value: function getDanmuTop$1() {
var $player = this.art.template.$player;
var _Danmuku$getRect5 = Danmuku.getRect($player),
playerLeft = _Danmuku$getRect5.left,
playerTop = _Danmuku$getRect5.top,
playerHeight = _Danmuku$getRect5.height,
playerWidth = _Danmuku$getRect5.width;
var danmus = this.queue.filter(function (danmu) {
return danmu.$state === 'emit';
});
if (danmus.length === 0) {
return this.option.margin[0];
}
var danmusBySort = danmus.map(function (danmu) {
var _Danmuku$getRect6 = Danmuku.getRect(danmu.$ref),
danmuLeft = _Danmuku$getRect6.left,
danmuTop = _Danmuku$getRect6.top,
danmuWidth = _Danmuku$getRect6.width,
danmuHeight = _Danmuku$getRect6.height;
var top = danmuTop - playerTop;
var left = danmuLeft - playerLeft;
var right = playerWidth - left - danmuWidth;
return {
top: top,
left: left,
right: right,
height: danmuHeight,
width: danmuWidth
};
}).sort(function (prev, next) {
return prev.top - next.top;
});
danmusBySort.unshift({
top: 0,
left: 0,
right: 0,
height: this.option.margin[0],
width: playerWidth
});
danmusBySort.push({
top: playerHeight - this.option.margin[1],
left: 0,
right: 0,
height: this.option.margin[1],
width: playerWidth
});
return getDanmuTop(danmusBySort);
}
}, {
key: "update",
value: function update() {
var _this2 = this;
var player = this.art.player;
this.animationFrameTimer = window.requestAnimationFrame(function () {
if (player.playing) {
_this2.queue.filter(function (danmu) {
return player.currentTime + 0.1 >= danmu.time && danmu.time >= player.currentTime - 0.1 && danmu.$state === 'wait';
}).forEach(function (danmu) {
_this2.emit(danmu);
});
}
if (!_this2.isStop) {
_this2.update();
}
});
}
}, {
key: "stop",
value: function stop() {
var _this3 = this;
this.isStop = true;
this.queue.filter(function (danmu) {
return danmu.$state === 'emit';
}).forEach(function (danmu) {
_this3.suspend(danmu);
});
window.cancelAnimationFrame(this.animationFrameTimer);
this.art.emit('artplayerPluginDanmu:stop');
}
}, {
key: "start",
value: function start() {
this.isStop = false;
this.queue.filter(function (danmu) {
return danmu.$state === 'stop';
}).forEach(function (danmu) {
Danmuku["continue"](danmu);
});
this.update();
this.art.emit('artplayerPluginDanmu:start');
}
}, {
key: "show",
value: function show() {
this.$danmuku.style = 'none';
this.art.emit('artplayerPluginDanmu:show');
}
}, {
key: "hide",
value: function hide() {
this.$danmuku.style = 'block';
this.art.emit('artplayerPluginDanmu:hide');
}
}], [{
key: "getRect",
value: function getRect(ref, key) {
var result = ref.getBoundingClientRect();
return key ? result[key] : result;
}
}, {
key: "continue",
value: function _continue(danmu) {
danmu.$lastStartTime = Date.now();
danmu.$ref.style.transform = "translateX(".concat(-danmu.$restWidth, "px) translateY(0px) translateZ(0px)");
danmu.$ref.style.transition = "transform ".concat(danmu.$restTime, "s linear 0s");
danmu.$state = 'emit';
}
}, {
key: "i18n",
get: function get() {
return {
'zh-cn': {
'Danmu text cannot be empty': '弹幕文本不能为空',
'The length of the danmu does not exceed': '弹幕文本字数不能超过'
},
'zh-tw': {
'Danmu text cannot be empty': '彈幕文本不能為空',
'The length of the danmu does not exceed': '彈幕文本字數不能超過'
}
};
}
}, {
key: "option",
get: function get() {
return {
danmuku: [],
speed: 5,
opacity: 1,
color: '#fff',
size: 25,
maxlength: 50,
margin: [10, 20]
};
}
}, {
key: "scheme",
get: function get() {
return {
danmuku: 'array|function|string',
speed: 'number',
opacity: 'number',
color: 'string',
size: 'number',
maxlength: 'number',
margin: 'array'
};
}
}]);
return Danmuku;
}();
function artplayerPluginDanmu(option) {
return function (art) {
var danmuku = new Danmuku(art, option);
return {
name: 'artplayerPluginDanmu',
emit: danmuku.addToQueue.bind(danmuku),
config: danmuku.config.bind(danmuku),
start: danmuku.start.bind(danmuku),
stop: danmuku.stop.bind(danmuku),
hide: danmuku.hide.bind(danmuku),
show: danmuku.show.bind(danmuku)
};
};
}
artplayerPluginDanmu.bilibiliDanmuParseFromXml = bilibiliDanmuParseFromXml;
artplayerPluginDanmu.bilibiliDanmuParseFromAv = bilibiliDanmuParseFromAv;
artplayerPluginDanmu.bilibiliDanmuParseFromUrl = bilibiliDanmuParseFromUrl;
window.artplayerPluginDanmu = artplayerPluginDanmu;
return artplayerPluginDanmu;
}));
//# sourceMappingURL=artplayer-plugin-danmu.js.map