☰

Add button for Smooth Scroll to the top / bottom

为页面添加按钮，平滑的滚动到顶部/底部

As of 2015-06-09. See the latest version.

  1. // ==UserScript==
  2. // @name	Add button for Smooth Scroll to the top / bottom
  3. // @author	burningall
  4. // @description	为页面添加按钮，平滑的滚动到顶部/底部
  5. // @version     2015.6.10
  6. // @include		*
  7. // @grant       GM_addStyle
  8. // @grant       GM_getValue
  9. // @grant       GM_setValue
  10. // @grant		GM_listValues
  11. // @grant		GM_deleteValue
  12. // @supportURL		http://www.burningall.com
  13. // @contributionURL	troy450409405@gmail.com|alipay.com
  14. // @namespace https://greatest.deepsurf.us/zh-CN/users/3400-axetroy
  15. // ==/UserScript==
  16.  
  17. (function(){
  18. function checkList(){
  19. 	if( GM_getValue(window.top.location.host,'不在黑名单中')==window.top.location.host ){//如果该页面在黑名单中，则不执行
  20. 		console.log('该域名在黑名单中');
  21. 		return true;
  22. 	};
  23. };
  24. var d1=new Date().getTime()
  25. //================公共函数区============
  26. function addEvent(obj, event, fn) {return obj.addEventListener ? obj.addEventListener(event, fn, false) : obj.attachEventListener("on" + event, fn);};
  27. function getSize(obj) {return document.documentElement[obj]!=0 ? document.documentElement[obj]: document.body[obj];}
  28. function hasScroll() {return getSize('scrollHeight') > getSize('clientHeight') ? true : false;};
  29. function getStyle(obj, attr) {return obj.currentStyle ? obj.currentStyle[attr] : getComputedStyle(obj)[attr];}
  30. function $(id) {return document.getElementById(id);}
  31. function doMove(obj, attr, dir, target, endFn) {
  32. 	dir = parseInt(getStyle(obj, attr)) < target ? dir: -dir;
  33. 	clearInterval(obj.timer);
  34. 	obj.timer = setInterval(function() {
  35. 		var speed = parseInt(getStyle(obj, attr)) + dir;
  36. 		if (speed > target && dir > 0 || speed < target && dir < 0) {
  37. 			speed = target;
  38. 		};
  39. 		obj.style[attr] = speed + "px";
  40. 		if (speed == target) {
  41. 			clearInterval(obj.timer);
  42. 			endFn && endFn();
  43. 		};
  44. 	},
  45. 	30);
  46. };
  47. function changeOpacity(obj,leng,target,endFn){
  48. 	clearInterval(obj.changeopa);
  49. 	var old=parseInt(getStyle(obj,"opacity"));//原有的透明度
  50. 	if(old>target){//变暗
  51. 		obj.changeopa=setInterval(function(){
  52. 			obj.style.opacity=parseInt(getStyle(obj,"opacity"))-leng;			
  53. 			if(parseInt(getStyle(obj,"opacity"))<=target){//如果到达目标
  54. 				clearInterval(obj.changeopa);
  55. 				endFn && endFn();
  56. 			}
  57. 		},100)
  58. 	}//if
  59. 	if(old<target){//变亮
  60. 		obj.changeopa=setInterval(function(){
  61. 			obj.style.opacity=parseInt(getStyle(obj,"opacity"))+leng;
  62. 			if(parseInt(getStyle(obj,"opacity"))>=target){
  63. 				clearInterval(obj.changeopa);
  64. 				endFn &&　endFn();
  65. 			}
  66. 		},100)
  67. 	}//if
  68. };
  69. //================样式区============
  70. var cssText='\
  71. #scrollMars-troy{\
  72. 	position:fixed;\
  73. 	right:30px;\
  74. 	z-index:9999999;\
  75. }\
  76. \
  77. #scrollMars-troy>div>div{\
  78. 	width:40px !important;\
  79. 	height:40px !important;\
  80. 	text-align:center !important;\
  81. 	padding:5px !important;\
  82. 	background:#303030 !important;\
  83. 	color:#fff !important;\
  84. 	display:block !important;\
  85. 	opacity:0.8 !important;\
  86. 	fitter:alpha(opacity:80) !important;\
  87. 	cursor:pointer !important;\
  88. 	border-radius:50% !important;\
  89. 	box-shadow:2px 2px 40px 2px #303030 !important;\
  90. 	line-height:40px !important;\
  91. 	font-size:35px !important;\
  92. 	font-style:inherit !important;\
  93. 	font-weight:bold !important;\
  94. 	font-family:"宋体" !important;\
  95. }\
  96. #scrollMars-troy>div>div:hover{\
  97. 	background:#FF0000 !important;\
  98. }\
  99. #mars-point{\
  100. 	width:100px !important;\
  101. 	height:100px !important;\
  102. 	position:absolute !important;\
  103. 	top:0 !important;\
  104. 	left:-40px !important;\
  105. }\
  106. #setting-troy{\
  107. 	width: 300px !important;\
  108. 	height: auto !important;\
  109. 	border: 2px solid #303030 !important;\
  110. 	position: fixed !important;\
  111. 	top: 200px !important;\
  112. 	left: 33% !important;\
  113. 	color: #fff !important;\
  114. 	background: #303030 !important;\
  115. 	index:9999999999 !important;\
  116. }\
  117. #setting-troy>div{\
  118. 	margin: 20px !important;\
  119. }\
  120. #setting-troy>div input{\
  121. 	color:#fff !important;\
  122. 	background:#303030 !important;\
  123. 	padding:5px !important;\
  124. 	margin:5px !important;\
  125. }\
  126. #percent{\
  127. 	position:absolute !important;\
  128. 	top:42px !important;\
  129. 	left:-20px;\
  130. 	color:#147474 !important;\
  131. 	font-family:"微软雅黑" !important;\
  132. 	font-size:16px !important;\
  133. 	line-height:16px !important;\
  134. }\
  135. '
  136. GM_addStyle(cssText);
  137. //================主要代码区============
  138. var turn;//用于控制是否双击滚动的开关
  139. function readmode(speed,inteval,endFn){
  140. 	if( GM_getValue(turn)==false ){
  141. 		return;
  142. 	}
  143. 	clearInterval(document.readMode)
  144. 	document.readMode=setInterval(function(){
  145. 		var position=getSize('scrollTop')+speed
  146. 		document.body.scrollTop = document.documentElement.scrollTop = position;
  147. 		clearTimeout(document.showPercent);
  148. 		var precent=parseInt( getSize('scrollTop') / ( getSize('scrollHeight')-getSize('clientHeight') ) * 100);
  149. 		$('percent').style.display="block";
  150. 		$('percent').innerHTML=precent+'%';
  151. 		if (position + getSize('clientHeight') >= getSize('scrollHeight')) {//如果滚到底部
  152. 			clearInterval(document.readMode);
  153. 			$('percent').style.display="none";
  154. 		}
  155. 	},inteval)
  156. 	GM_setValue(turn,true);
  157. }
  158. function moveMars(obj,index){
  159. 	if(index=='mouseout'){
  160. 		clearTimeout(obj.timerHover);
  161. 		obj.timerHover = setTimeout(function() {
  162. 			doMove(obj, "right", 5, -30);
  163. 		},
  164. 		3000);//鼠标离开后，3s隐藏到边栏	
  165. 		}else if(index=='mouseover'){
  166. 			clearTimeout(obj.timerHover);
  167. 			doMove(obj, "right", 5, 30);
  168. 		}
  169. }
  170. function scroll(obj,dir){//obj随意，dir>0往上滚，dir<0往下滚
  171. 	clearInterval(obj.timerScroll);
  172. 	clearInterval(document.readMode);
  173. 	obj.timerScroll=setInterval(function(){
  174. 		var position;
  175. 		if(dir>0){//往上滚动
  176. 			var speed = (getSize('scrollTop') / 10) + 10;
  177. 			position = getSize('scrollTop') - speed;
  178. 			if (position <= 0) {//如果滚到顶部
  179. 				document.body.scrollTop = document.documentElement.scrollTop = 0;
  180. 				clearInterval(obj.timerScroll);
  181. 			}
  182. 		}else{//往下滚动
  183. 			var speed = ((getSize('scrollHeight')-getSize('scrollTop')) / 20) + 10;
  184. 			position = getSize('scrollTop') + speed;
  185. 			if (position + getSize('clientHeight') >= getSize('scrollHeight')) {//如果滚到底部
  186. 				document.body.scrollTop = document.documentElement.scrollTop = getSize('scrollHeight');
  187. 				clearInterval(obj.timerScroll);
  188. 			}
  189. 		}
  190. 		document.body.scrollTop = document.documentElement.scrollTop = position;		
  191. 	},20)
  192. }
  193.  
  194. function createBtn(){
  195. 	if(checkList()==true){
  196. 		return false;
  197. 	}
  198. 	var jugg=$("scrollMars-troy");
  199. 	if(jugg && hasScroll() == true){//如果有滚动条,并且存在滚动按钮
  200. 		$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';//调整按钮位置
  201. 	}else if(jugg && hasScroll() == false){//如果没有滚动条，但是有按钮
  202. 		jugg.remove(jugg);//删除按钮
  203. 	};
  204. 	if (hasScroll() == false && !jugg) {//如果没有滚动条,并且没有按钮
  205. 		return false;
  206. 	}else if(hasScroll() == true && !jugg){//如果有滚动条，并且没有按钮
  207. 		var mars=document.createElement('div');
  208. 		mars.id="scrollMars-troy";
  209. 		window.top.document.documentElement.appendChild(mars);
  210. 		mars.innerHTML = "<div id='percent'></div><div id='mars-point'></div><div><div id='goTop-troy' title='返回顶部'></div><div id='goBtn-troy' title='去到底部'></div></div>";
  211. 		$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';
  212. 		$("goTop-troy").innerHTML = "↑";
  213. 		$("goBtn-troy").innerHTML = "↓";
  214. 		addEvent($("goTop-troy"), "click",function() {scroll(mars,1)});
  215. 		addEvent($("goBtn-troy"), "click",function() {scroll(mars,-1)});
  216. 		addEvent($("mars-point"), "mouseover",function() {moveMars(mars,"mouseover")});
  217. 		addEvent($("mars-point"), "mouseout",function() {moveMars(mars,"mouseout")});
  218. 		addEvent(mars, "mouseover",function() {moveMars(mars,"mouseover")});
  219. 		addEvent(window, "resize",function() {$('scrollMars-troy').style.top=(getSize('clientHeight')/3)+'px';});
  220. 		moveMars(mars,"mouseout");//页面加载完成，默认3s后隐藏到边栏
  221. 	};
  222. };
  223. /*
  224. //清除GM脚本保存的所有变量;，调试时用，请不要开启
  225. function clearallGM_value(){
  226. 	for(var i=0;i<GM_listValues().length;i++){
  227. 		console.log('变量：'+GM_listValues()[i]+'被删除');
  228. 		GM_deleteValue( GM_listValues()[i] );
  229. 	};
  230. }
  231. clearallGM_value()
  232. */
  233. //================执行区============
  234. addEvent(window,'mousewheel',function(){//滚动则停止，兼容chrome/ie/opera
  235. 	clearInterval($('scrollMars-troy').timerScroll);
  236. })
  237. addEvent(window,'DOMMouseScroll',function(){//滚动则停止，兼容firefox
  238. 	clearInterval($('scrollMars-troy').timerScroll);
  239. })
  240.  
  241. var isinput=false;//用于判断是否是点击到了特定元素上，如果是，就不进入阅读模式
  242. addEvent(document,'dblclick',function(){//双击进入阅读模式
  243. 		isinput==false && readmode(1,20);
  244. })
  245.  
  246. addEvent(document,'click',function(){//单击退出阅读模式,停止滚动
  247. 		clearInterval(document.readMode);
  248. 		$('percent').style.display="none";
  249. })
  250.  
  251. addEvent(window.top, "resize",function(){//页面大小改变，初始化按钮
  252. 	createBtn();
  253. });
  254.  
  255. addEvent(window.top,"load",function(){//页面加载，初始化按钮
  256. 	createBtn();
  257. 	//选择要禁用的元素（点击这些元素，不会进入阅读模式）
  258. 	var oInputs=document.querySelectorAll('input,form,textarea,#scrollMars-troy,.edui-editor-middle');
  259. 	for(var i=0;i<oInputs.length;i++){
  260. 		oInputs[i].ondblclick=function(){
  261. 			isinput=true;
  262. 		}
  263. 		addEvent(document,'dblclick',function(){
  264. 			isinput=false;
  265. 		})
  266. 	};
  267. 	var d2=new Date().getTime();
  268. 	console.log('GoTop-GoBtm脚本加载耗时：'+(d2-d1)+'ms');
  269. });
  270. //================快捷键区============
  271. addEvent(document,'keydown',function(e){
  272. 	e=e || window.top.event;
  273. 	if(e.ctrlKey && e.keyCode==38){//ctrl+↑，向上滚动
  274. 		scroll($('scrollMars-troy'),1)
  275. 	}else if(e.ctrlKey && e.keyCode==40){//ctrl+↓，向下滚动
  276. 		scroll($('scrollMars-troy'),-1)
  277. 	}else if(e.ctrlKey && e.keyCode==113){//ctrl+F2，调处控制面板
  278. 		var setting=document.createElement('div');
  279. 		setting.id='setting-troy';
  280. 		var inner="\
  281. 			<div id='setting-pan-troy'>\
  282. 				<div>\
  283. 					控制面板:Ctrl+F2<br />\
  284. 					添加黑名单域名：<input type='text' id='blackList' placeholder='www.baidu.com' /><br />\
  285. 					<input type='button' value='添加黑名单' id='saveSetting' />\
  286. 					<input type='button' id='quiet' value='退出面板' /><br/><hr />\
  287. 					<input type='button' id='clear' value='移除黑名单'>\
  288. 					<input type='button' id='showlist' value='显示黑名单'>\
  289. 					<input type='button' id='clearall' value='清空黑名单'>\
  290. 					<input type='button' id='readmodebtn' value='双击滚动开关'>\
  291. 				</div>\
  292. 			</div>\
  293. 		"
  294. 		window.top.document.documentElement.appendChild(setting);
  295. 		setting.innerHTML=inner;
  296. 		var domian=/^[0-9-a-z]+\.{0,1}[0-9-a-z]+\.{1}[a-z]+$/ig;//用于验证域名是否符合规范
  297. 		var host=window.top.location.host;
  298. 		$('blackList').value=host;
  299. 		GM_setValue(turn,true);//第一次安装脚本，默认开启双击滚动
  300. 		addEvent($('quiet'),'click',function(){//退出
  301. 			setting.remove(setting);
  302. 		});
  303. 		addEvent($('clear'),'click',function(){//移出黑名单
  304. 			GM_deleteValue($('blackList').value);
  305. 			alert( GM_getValue($('blackList').value,'移除成功') ); 
  306. 		});
  307. 		addEvent($('clearall'),'click',function(){//清空黑名单
  308. 			for(var i=0;i<GM_listValues().length;i++){
  309. 				if(domian.test( GM_listValues()[i] )){
  310. 					console.log('黑名单：'+GM_listValues()[i]+'被删除');
  311. 					GM_deleteValue( GM_listValues()[i] );
  312. 				}
  313. 			};//for
  314. 			alert('清空完毕');
  315. 		})
  316. 		addEvent($('showlist'),'click',function(){//显示黑名单
  317. 			if(GM_listValues().length<=1){
  318. 				alert('空的黑名单');
  319. 			}
  320. 			for(var i=0;i<GM_listValues().length;i++){
  321. 				if(domian.test( GM_listValues()[i] )){
  322. 					var list=document.createElement('li');
  323. 					list.innerHTML=GM_listValues()[i];
  324. 					document.querySelector('#setting-pan-troy>div').appendChild(list);
  325. 				}
  326. 			}
  327. 		});
  328. 		addEvent($('readmodebtn'),'click',function(){//禁用双击滚动
  329. 			if( GM_getValue(turn)==true ){
  330. 				GM_setValue(turn,false);
  331. 				alert('禁用成功');
  332. 				return;
  333. 			}else if(GM_getValue(turn)==false){
  334. 				GM_setValue(turn,true);			
  335. 				alert('开启成功');
  336. 				return;
  337. 			}
  338. 			
  339. 		})
  340. 		addEvent($('saveSetting'),'click',function(){//保存
  341. 			if(domian.test($('blackList').value)==false){//检查输入的域名是否符合规范
  342. 				alert($('blackList').value+'域名格式不正确'+'\n比如：tieba.baidu.com或www.baidu.com')
  343. 				return;
  344. 			}
  345. 			if($('blackList').value!=''){//如果有填入黑名单列表
  346. 				if( GM_getValue($('blackList').value,'不存在')!=$('blackList').value ){//不在黑名单中
  347. 					GM_setValue($('blackList').value,$('blackList').value);
  348. 					alert('禁用：'+$('blackList').value+'成功');
  349. 				}else{
  350. 					alert('该域名已在黑名单中');
  351. 				}
  352. 			}else{//没有填入黑名单
  353. 				alert('请输入域名');
  354. 				return;
  355. 			}
  356. 		})
  357. 	}
  358. })//监听keydown，快捷键
  359. })()