Prefetch chinese novell site (起點)
// ==UserScript==
// @name jc_qidian_prefetch_page
// @namespace http://localhost/jc/
// @require https://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.11.1.min.js
// @include http://*.qidian.com/*
// @description Prefetch chinese novell site (起點)
// @description Can use Hotkey to Next Page : right arrow == n == 0 in right area == Insert == Delete
// @description 沒試過-->有儲點的用戶讀到需付款的頁面是否會自動扣款，有疑慮者建議不使用...
// @grant GM_log
// @modified_time 2014.09.18.22.00
// @version 1.5
// ==/UserScript==
// 預抓下一頁
// 關鍵 a[contains(.,'下一頁')]
(function() {
var G_prefetch_url = ''; // 預抓的網址
function search(target,sel) {
return target.evaluate(
sel,
target,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null
);
}
function position(elmt){
var x = 0;
var y = 0;
while(elmt != null){
x += elmt.offsetLeft;
y += elmt.offsetTop;
elmt = elmt.offsetParent;
} // while
return {'x':x,'y':y};
}
function scrollTo(elmt){
var pos = position(elmt)
//GM_log('x:'+pos.x+', y:'+pos.y)
window.scrollTo(pos.x, pos.y);
}
var myif;
var next;
var nhref;
function clickNext(event) {
//var n_main = myif.contentDocument.getElementById('Main')
//var mainDivId_1 = 'form1'; // for before 2015-11
var mainDivId_1 = 'wrapbig'; // for after 2015-11
var mainDivId = mainDivId_1;
var n_main = myif.contentDocument.getElementById( mainDivId );
if (!n_main) {
GM_log('1. iframe n_main not found');
return;
}
// GM_log('n_main found')
var main = document.getElementById( mainDivId ); // TODO: check if 'main' fully loaded?
if (!main) {
GM_log('2. n_main not found');
return;
}
// GM_log('main found')
main.innerHTML = n_main.innerHTML;
//main.parentNode.replaceChild(n_main,main)
//GM_log(history.current)
//history.current = nhref;
scrollTo(main);
// prefetch again
prefetch();
// change location URL
GM_log('G_prefetch_url = ' + G_prefetch_url + ' , location.href = ' + location.href);
if ((''!=G_prefetch_url) && (G_prefetch_url != location.href)) {
history.pushState({url: G_prefetch_url, url2: location.href}, null, G_prefetch_url); // 改變網址但不會重新載入內容
}
if (event.stopPropagation) {
event.stopPropagation();
}
if (event.cancelable && event.preventDefault) {
event.preventDefault();
}
}
function checkKey(event) {
//alert(event.keyCode)
if (event.keyCode == 39) { clickNext(next); } // right arrow
if (event.keyCode == 78) { clickNext(next); } // n
if (event.keyCode == 96) { clickNext(next); } // 0 in right area
if (event.keyCode == 45) { clickNext(next); } // Insert
if (event.keyCode == 46) { clickNext(next); } // Delete
}
function prefetch() {
// var links = search(document,"//a[@class='Next']")
//var links = search(document,"//a[contains(.,'下一章')]")
var links = search(document,"//a[@id='NextLink']");
if (links.snapshotLength ==0) {
links = search(document,"//a[@id='pageNextBottomBtn']"); // for 2015 新版
}
if (links.snapshotLength ==0) {
GM_log('links.snapshotLength == 0 , exit');
return;
}
next = links.snapshotItem(0);
nhref = next.getAttribute('href');
GM_log('1. myif typeof == ' + typeof myif);
if (myif) {
myif.parentNode.removeChild(myif);
myif=undefined;
}
GM_log('2. myif typeof == ' + typeof myif);
if (!myif) {
myif = document.createElement('iframe')
//myif.style.display='none'
myif.style.visibility = 'hidden'
myif.style.width='1px';
myif.style.height='1px';
document.body.appendChild(myif);
myif.contentWindow.addEventListener('DOMContentLoaded',function(){
//GM_log('iframe content loaded')
if (next) {
next.style.color='#ff0084';
next.addEventListener('click', clickNext ,true);
document.addEventListener('keydown', checkKey ,true);
}
var links_test = search(document,"//a[@id='NextLink']");
if (links_test.snapshotLength ==0) {
links_test = search(document,"//a[@id='pageNextBottomBtn']"); // for 2015 新版
}
if (links_test.snapshotLength == 0) {
//alert('Cannot fetch Next page , retry....');
GM_log('Cannot fetch Next page , retry....');
myif.removeNode(true);
prefetch();
}
},false);
}
myif.setAttribute('src', nhref);
G_prefetch_url = nhref;
}
function onLoad() {
if (window != top) return; // avoid creating infinitely deep nested frames
prefetch();
}
window.addEventListener('load', function() {
onLoad();
}, true);
window.addEventListener('popstate' , function(event) {
alert("location: " + document.location + ", state: " + JSON.stringify(event.state));
//History.back();
}, true);
})();