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消除划动动画 可设置划动倍率和更新间隔 可设置双指放大双击复原
当前为
// ==UserScript==
// @name 墨水屏电纸书划动优化
// @namespace cc.cxuan.books
// @version 1.27
// @description 消除划动动画 可设置划动倍率和更新间隔 可设置双指放大双击复原
// @match *://*/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// @run-at document-end
// @noframes
// @license MIT
// @author cxuan.cc
// ==/UserScript==
(function(){
// ---- 强制取消原生缩放限制 ----
const vcontent = 'width=device-width, initial-scale=1, maximum-scale=10, minimum-scale=0.1, user-scalable=yes';
let meta = document.querySelector('meta[name=viewport]');
if(meta) meta.setAttribute('content', vcontent);
else {
meta = document.createElement('meta');
meta.name = 'viewport';
meta.content = vcontent;
document.head.appendChild(meta);
}
// --- 设置项 ---
let mx = GM_getValue('multiplierX', 5);
let my = GM_getValue('multiplierY', 2);
let intervalSec = GM_getValue('interval', 0);
let enableZoom = GM_getValue('enableZoom', true);
GM_registerMenuCommand(`设置X轴移动倍率（当前 ${mx}）`, ()=>{
let v = parseFloat(prompt('X 轴滑动倍率:', mx));
if (!isNaN(v)) GM_setValue('multiplierX', mx=v) && location.reload();
});
GM_registerMenuCommand(`设置Y轴移动倍率（当前 ${my}）`, ()=>{
let v = parseFloat(prompt('Y 轴滑动倍率:', my));
if (!isNaN(v)) GM_setValue('multiplierY', my=v) && location.reload();
});
GM_registerMenuCommand(`设置更新间隔（当前 ${intervalSec}s）`, ()=>{
let v = parseFloat(prompt('更新间隔（秒，0=仅松手刷新）:', intervalSec));
if (!isNaN(v)) GM_setValue('interval', intervalSec=v) && location.reload();
});
GM_registerMenuCommand(`切换两指缩放+双击复位（当前 ${enableZoom?'开':'关'}）`, ()=>{
GM_setValue('enableZoom', enableZoom=!enableZoom);
location.reload();
});
const initialZoom = parseFloat(document.body.style.zoom) || 1;
const touchMap = {};
let timerId = null;
let pinchState = null; // { initialDist, initialScale }
function periodicUpdate(){
for(let id in touchMap){
let info = touchMap[id];
if(info.cx==null||info.cy==null) continue;
let totalDx = (info.sx - info.cx)*mx;
let totalDy = (info.sy - info.cy)*my;
let dX = totalDx - (info.lastDx||0);
let dY = totalDy - (info.lastDy||0);
if(dX) info.el.scrollLeft += dX;
if(dY) info.el.scrollTop += dY;
info.lastDx = totalDx;
info.lastDy = totalDy;
}
}
function startTimer(){
if(intervalSec>0 && !timerId){
timerId = setInterval(periodicUpdate, intervalSec*1000);
}
}
function stopTimer(){
if(timerId){
clearInterval(timerId);
timerId = null;
}
}
document.addEventListener('touchstart', e=>{
// 两指捏合开始
if(enableZoom && e.touches.length===2){
let [a,b] = e.touches;
let d = Math.hypot(a.clientX-b.clientX, a.clientY-b.clientY);
pinchState = { initialDist: d, initialScale: parseFloat(document.body.style.zoom)||1 };
e.preventDefault();
return;
}
if(e.touches.length>1) return;
for(const t of e.changedTouches){
let el = t.target;
while(el && el!==document){
let s = getComputedStyle(el);
if((el.scrollHeight>el.clientHeight && /auto|scroll/.test(s.overflowY))
|| (el.scrollWidth>el.clientWidth && /auto|scroll/.test(s.overflowX))) break;
el = el.parentNode;
}
if(!el||el===document) el = document.scrollingElement||document.documentElement;
touchMap[t.identifier] = {
sx:t.clientX, sy:t.clientY,
cx:t.clientX, cy:t.clientY,
el, lastDx:0, lastDy:0
};
}
startTimer();
}, { passive:false });
document.addEventListener('touchmove', e=>{
// 两指捏合缩放
if(enableZoom && e.touches.length===2 && pinchState){
let [a,b] = e.touches;
let d = Math.hypot(a.clientX-b.clientX, a.clientY-b.clientY);
let scale = pinchState.initialScale*(d/pinchState.initialDist);
document.body.style.zoom = scale;
e.preventDefault();
return;
}
if(e.touches.length>1) return;
let doPrevent = false;
for(const t of e.changedTouches){
let info = touchMap[t.identifier];
if(!info) continue;
info.cx = t.clientX;
info.cy = t.clientY;
// 允许首屏下拉刷新
if(!(info.el === (document.scrollingElement||document.documentElement)
&& info.el.scrollTop===0
&& (t.clientY-info.sy)>0)){
doPrevent = true;
}
}
if(doPrevent) e.preventDefault();
}, { passive:false });
function finishTouch(e){
// 结束捏合
if(pinchState && e.touches.length<2){
pinchState = null;
// 继续处理后续单指结束
}
if(e.touches.length>1) return;
for(const t of e.changedTouches){
let info = touchMap[t.identifier];
if(!info) continue;
if(intervalSec===0){
let dx = (info.sx - t.clientX)*mx;
let dy = (info.sy - t.clientY)*my;
info.el.scrollLeft += dx;
info.el.scrollTop += dy;
} else {
info.cx = t.clientX;
info.cy = t.clientY;
periodicUpdate();
}
delete touchMap[t.identifier];
}
if(Object.keys(touchMap).length===0) stopTimer();
}
document.addEventListener('touchend', finishTouch, { passive:false });
document.addEventListener('touchcancel', finishTouch, { passive:false });
// 双击复位缩放
let lastTap = 0;
document.addEventListener('touchend', e=>{
if(!enableZoom) return;
if(e.touches.length===0 && e.changedTouches.length===1){
let now = Date.now();
if(now - lastTap < 300){
// 恢复脚本启动时的 zoom
let sx = document.scrollingElement.scrollLeft||0;
let sy = document.scrollingElement.scrollTop||0;
document.body.style.zoom = initialZoom;
document.scrollingElement.scrollLeft = sx;
document.scrollingElement.scrollTop = sy;
}
lastTap = now;
}
}, { passive:true });
})();