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
目前為
// ==UserScript==
// @name 墨水屏电纸书划动优化
// @namespace cc.cxuan.books
// @version 1.23
// @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(){
// --- 设置项 ---
let mx = GM_getValue('multiplierX', 5);
let my = GM_getValue('multiplierY', 2);
let intervalSec = GM_getValue('interval', 0);
let enableDoubleReset = GM_getValue('enableDoubleReset', 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=仅松手时刷新）:', intervalSec));
if (!isNaN(v)) { GM_setValue('interval', intervalSec = v); location.reload(); }
});
GM_registerMenuCommand(`切换双击复位（当前 ${enableDoubleReset?'开':'关'}）`, ()=>{
enableDoubleReset = !enableDoubleReset;
GM_setValue('enableDoubleReset', enableDoubleReset);
location.reload();
});
const touchMap = {}; // id -> { sx, sy, cx, cy, el, lastDx, lastDy }
let timerId = null;
function periodicUpdate(){
const scale = window.visualViewport?.scale || 1;
for(let id in touchMap){
const info = touchMap[id];
if (info.cx==null) continue;
let totalDx = (info.sx - info.cx) * mx / scale;
let totalDy = (info.sy - info.cy) * my / scale;
let dX = totalDx - (info.lastDx||0);
let dY = totalDy - (info.lastDy||0);
if (dX||dY) info.el.scrollBy(dX, 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=>{
if (e.touches.length>1) return;
for (let t of e.changedTouches){
let el = t.target;
while(el && el!==document){
const 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=>{
if (e.touches.length>1) return;
let doPrevent = false;
for (let t of e.changedTouches){
const info = touchMap[t.identifier];
if (!info) continue;
info.cx = t.clientX;
info.cy = t.clientY;
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){
if (e.touches.length>1) return;
for (let t of e.changedTouches){
const info = touchMap[t.identifier];
if (!info) continue;
if (intervalSec===0){
const scale = window.visualViewport?.scale || 1;
let dx = (info.sx - t.clientX) * mx / scale;
let dy = (info.sy - t.clientY) * my / scale;
info.el.scrollBy(dx, dy);
} else {
info.cx = t.clientX;
info.cy = t.clientY;
periodicUpdate();
}
delete touchMap[t.identifier];
}
if (!Object.keys(touchMap).length) stopTimer();
}
document.addEventListener('touchend', finishTouch, { passive:false });
document.addEventListener('touchcancel', finishTouch, { passive:false });
// 双击恢复浏览器级缩放
let lastTap = 0;
document.addEventListener('touchend', e=>{
if (!enableDoubleReset) return;
if (e.touches.length===0 && e.changedTouches.length===1){
let now = Date.now();
if (now - lastTap < 300){
let m = document.querySelector('meta[name=viewport]');
if (m){
m.content = m.content.split(',').map(p=>{
p=p.trim();
if (p.startsWith('initial-scale=')) return 'initial-scale=1';
if (p.startsWith('maximum-scale=')) return 'maximum-scale=1';
return p;
}).join(',');
} else {
let nm = document.createElement('meta');
nm.name='viewport';
nm.content='width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no';
document.head.appendChild(nm);
}
}
lastTap = now;
}
}, { passive:true });
})();