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给虾米网页播放器添加快捷键：音量（E-上调；D-下调）、下一首（F）、上一首（S）、隐藏/显示播放器（Q）
// ==UserScript==
// @name 虾米网页播放器
// @namespace https://github.com/maijz128
// @version 1.0.1
// @description 给虾米网页播放器添加快捷键：音量（E-上调；D-下调）、下一首（F）、上一首（S）、隐藏/显示播放器（Q）
// @author MaiJZ
// @match *://www.xiami.com/*
// @require http://code.jquery.com/jquery-1.12.4.min.js
// @grant none
// ==/UserScript==
const KEYS = {
ENTER: 13, SPACE: 32, ESC: 27,
LEFT: 37, UP: 38, RIGHT: 39, DOWN: 40,
A: 65, D: 68, E: 69, F: 70, R: 82, S: 83, W: 87, Z: 90, Q: 81
};
const G = {
UpVolume: KEYS.E, DownVolume: KEYS.D, PrevSong: KEYS.S, NextSong: KEYS.F,
Pause: KEYS.SPACE, ToggleUI: KEYS.Q, ToggleList: KEYS.R
};
(function () {
main();
})();
function main() {
if (matchURL('/radio/play/')) {
new Radio();
} else if (matchURL('xiami.com/play')) {
new OnlinePlayer();
} else {
window._NewUI_Player = new NewUI_Player();
// old index ui
setTimeout(function () {
tosign();
}, 1000);
}
}
function NewUI_Player(){
var self = this;
this.isHide = false;
this.togglePlayerUI = function(){
var elBtn = document.querySelector('#player-toggle-button');
var elPlayer = document.querySelector(".player");
self.isHide = !self.isHide;
if(self.isHide){
elBtn.innerHTML = '>>';
elPlayer.classList.add('player-hide');
}else{
elBtn.innerHTML = '<<';
elPlayer.classList.remove('player-hide');
}
};
// init
var timeout = 1000;
setTimeout(function () {
onKeyDown();
addShortcutKeySwitch();
addToggleButton();
}, timeout);
function addToggleButton(){
var container = document.querySelector(".play-bar");
if (container) {
var style='';
style += '.player-toggle-button { float: right; height: 72px; cursor: pointer; background: #fff; border: 1px solid #ccc;}';
style += '.player .audio-progress, .player .play-bar { visibility: visible; opacity: 1; transition: visibility 0.5s, opacity 0.5s linear; } ';
style += '.player-hide .audio-progress, .player-hide .play-bar { visibility: hidden; opacity: 0; } ';
style += '.player-hide .player-toggle-button { position: absolute; left: 0; bottom: 0;} ';
style += '.player-hide .common-mode { width: 40px;} ';
addStyle(style);
var elButton = document.createElement("button");
elButton.setAttribute('id', 'player-toggle-button');
elButton.classList.add('player-toggle-button');
elButton.onclick = self.togglePlayerUI;
elButton.innerHTML = '<<';
// container.appendChild(elButton);
$(container).before(elButton);
}
}
function addShortcutKeySwitch() {
var container = document.querySelector(".play-bar");
if (container) {
var style='text-align: center; display: -webkit-flex; display: -ms-flexbox; display: flex; -webkit-align-items: center; -ms-flex-align: center; align-items: center; margin-left: 10px;';
style = '.player-bar-item {' + style +'}';
addStyle(style);
var elCheckbox = document.createElement("div");
elCheckbox.classList.add('player-bar-item');
elCheckbox.innerHTML =
'<input type="checkbox" name="shortchut_key" id="mjz_shortcutkeyswitch" checked="true">快捷键';
container.appendChild(elCheckbox);
}
}
function isShortcutKey() {
var elSwitch = document.getElementById("mjz_shortcutkeyswitch");
if (elSwitch) {
return elSwitch.checked;
}
return true;
}
function notPressControlKey(e){
return !(e.altKey || e.ctrlKey || e.shiftKey);
}
function onKeyDown() {
document.onkeydown = function (event) {
var e = event || window.event || arguments.callee.caller.arguments[0];
if (e && isShortcutKey() && notPressControlKey(e)) {
handleKeyDown(e.keyCode);
}
};
}
function handleKeyDown(keyCode) {
var player_main = document.querySelector(".page-container .player");
var player_audio = document.querySelector('.page-container .player audio');
if(!(player_main && player_audio)){
console.error('not found player');
return;
}
var volume = null;
switch (keyCode) {
case G.UpVolume:
// fireKeyEvent(player_main, "keydown", KEYS.UP);
volume = player_audio.volume + 0.1;
if(volume > 1) { volume = 1; }
player_audio.volume = volume;
console.log(keyCode + ": UpVolume = " + volume);
break;
case G.DownVolume:
// fireKeyEvent(player_main, "keydown", KEYS.DOWN);
volume = player_audio.volume - 0.1;
if(volume < 0) { volume = 0; }
player_audio.volume = volume;
console.log(keyCode + ": DownVolume = " + volume);
break;
case G.PrevSong:
console.log(keyCode + ": PrevSong");
// fireKeyEvent(player_main, "keydown", KEYS.LEFT);
var btn = document.querySelector('.main-control-wrapper .main-control .prev');
if(btn){
eventFire(btn, 'click');
}
break;
case G.NextSong:
console.log(keyCode + ": NextSong");
// fireKeyEvent(player_main, "keydown", KEYS.RIGHT);
var btn = document.querySelector('.main-control-wrapper .main-control .next');
if(btn){
eventFire(btn, 'click');
}
break;
case G.Pause:
console.log(keyCode + ": PauseSong");
// fireKeyEvent(player_main, "keydown", KEYS.RIGHT);
var btn = document.querySelector('.main-control-wrapper .main-control .play-btn');
if(btn){
eventFire(btn, 'click');
}
break;
case G.ToggleUI:
console.log(keyCode + ": ToggleUI");
self.togglePlayerUI();
break;
case G.ToggleList:
console.log(keyCode + ": ToggleList");
var play_list_control = document.querySelector('.play-list-control');
if(play_list_control){
eventFire(play_list_control, 'click');
}
break;
default:
break;
}
}
}
// 自动签到
function tosign() {
var b_tosign = $(' div.content div.action .tosign');
if (b_tosign) {
b_tosign.click();
}
}
function Radio() {
hide_sidebutton();
// onKeyDown();
function canShortcutKey() {
// const elSwitch = document.getElementById("mjz_shortcutkeyswitch");
// if (elSwitch) {
// return elSwitch.checked;
// }
return true;
}
function onKeyDown() {
document.onkeydown = function (event) {
var e = event || window.event || arguments.callee.caller.arguments[0];
if (e && canShortcutKey()) {
handleKeyDown(e.keyCode);
}
};
}
function handleKeyDown(keyCode) {
const player_main = document.getElementById("radioPlayer");
switch (keyCode) {
case G.UpVolume:
console.log(keyCode + ": UpVolume");
fireKeyEvent(player_main, "keydown", KEYS.UP);
break;
case G.DownVolume:
console.log(keyCode + ": DownVolume");
fireKeyEvent(player_main, "keydown", KEYS.DOWN);
break;
case G.PrevSong:
console.log(keyCode + ": PrevSong");
fireKeyEvent(player_main, "keydown", KEYS.LEFT);
break;
case G.NextSong:
console.log(keyCode + ": NextSong");
fireKeyEvent(player_main, "keydown", KEYS.RIGHT);
break;
default:
break;
}
}
function hide_sidebutton(){
var style = `
@media only screen and (max-height: 500px) {
#sidebutton {
display: none;
}
}
`;
addStyle(style);
}
}
function OnlinePlayer() {
playerHQ();
addShortcutKeySwitch();
onKeyDown();
function playerHQ() {
var timeout = 2000;
setTimeout(function () {
const elHQ = document.getElementById("J_playerHQ");
if (elHQ) {
elHQ.click();
closeDialog_clt();
}
}, timeout);
}
// 当点击切换音质时，出现付费提示，自动关闭它
function closeDialog_clt() {
var timeout = 500;
setTimeout(function () {
const el_dialog_clt = document.getElementById("dialog_clt");
// 官方方法
closedialog();
}, timeout);
}
function addShortcutKeySwitch() {
var timeout = 1000;
setTimeout(function () {
const el = document.querySelector(".player-controls");
if (el) {
const elCheckbox = document.createElement("lable");
elCheckbox.innerHTML =
'<input type="checkbox" name="shortchut_key" id="mjz_shortcutkeyswitch" checked="true">快捷键';
el.appendChild(elCheckbox);
}
}, timeout);
}
function isShortcutKey() {
const elSwitch = document.getElementById("mjz_shortcutkeyswitch");
if (elSwitch) {
return elSwitch.checked;
}
return true;
}
function onKeyDown() {
document.onkeydown = function (event) {
var e = event || window.event || arguments.callee.caller.arguments[0];
if (e && isShortcutKey()) {
handleKeyDown(e.keyCode);
}
};
}
function handleKeyDown(keyCode) {
const player_main = document.getElementById("player-main");
switch (keyCode) {
case G.UpVolume:
console.log(keyCode + ": UpVolume");
fireKeyEvent(player_main, "keydown", KEYS.UP);
break;
case G.DownVolume:
console.log(keyCode + ": DownVolume");
fireKeyEvent(player_main, "keydown", KEYS.DOWN);
break;
case G.PrevSong:
console.log(keyCode + ": PrevSong");
fireKeyEvent(player_main, "keydown", KEYS.LEFT);
break;
case G.NextSong:
console.log(keyCode + ": NextSong");
fireKeyEvent(player_main, "keydown", KEYS.RIGHT);
break;
default:
break;
}
}
}
// Usage: fireKeyEvent(input元素, 'keydown', 13);
// http://blog.csdn.net/lovelyelfpop/article/details/52471878
function fireKeyEvent(el, evtType, keyCode) {
var doc = el.ownerDocument;
var win = doc.defaultView || doc.parentWindow,
evtObj;
if (doc.createEvent) {
if (win.KeyEvent) {
evtObj = doc.createEvent('KeyEvents');
evtObj.initKeyEvent( evtType, true, true, win, false, false, false, false, keyCode, 0 );
}
else {
evtObj = doc.createEvent('UIEvents');
Object.defineProperty(evtObj, 'keyCode', {
get : function () { return this.keyCodeVal; }
});
Object.defineProperty(evtObj, 'which', {
get : function () { return this.keyCodeVal; }
});
evtObj.initUIEvent( evtType, true, true, win, 1 );
evtObj.keyCodeVal = keyCode;
if (evtObj.keyCode !== keyCode) {
console.log("keyCode " + evtObj.keyCode + " 和 (" + evtObj.which + ") 不匹配");
}
}
el.dispatchEvent(evtObj);
}
else if (doc.createEventObject) {
evtObj = doc.createEventObject();
evtObj.keyCode = keyCode;
el.fireEvent('on' + evtType, evtObj);
}
}
function eventFire(el, eType){
if (el.fireEvent) {
el.fireEvent('on' + eType);
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(eType, true, false);
el.dispatchEvent(evObj);
}
}
function matchURL(url) {
const URL = window.location.href; return URL.indexOf(url) > -1;
}
function addStyle(styleContent) {
var elStyle = document.createElement("style"); elStyle.innerHTML = styleContent; document.head.appendChild(elStyle);
}