Auto Try Big Image

Automatically try to show big image instead of original preview.
当前为 2017-02-18 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name        Auto Try Big Image
// @namespace   mnts
// @description Automatically try to show big image instead of original preview.
// @include     http://anime-pictures.net?*
// @include     *://*anime-pictures.*/*
// @include     http?://anime.reactor.cc/tag/?*
// @include     *://*anime.reactor.*/tag/*
// @include     http?://zerochan.net/?*
// @include     *://*zerochan.*/*
// @include     http?://otakumode.com/?*/post/?*
// @include     *://*otakumode.*/*/post/*
// @version     1.0
// @grant       none
// ==/UserScript==

function tryAnimePictures() { //anime-pictures.net
    var aPreview = document.getElementById('big_preview_cont').getElementsByTagName('a')[0];
    if (aPreview === undefined) return;
    var bigImgUrl = aPreview.getAttribute('href');
    if (bigImgUrl !== undefined && bigImgUrl !== "") {
        var imgPreview = aPreview.getElementsByTagName('img')[0];
        if (imgPreview === undefined) return;
        imgPreview.setAttribute('width', imgPreview.width);
        imgPreview.setAttribute('src', '');
        imgPreview.setAttribute('src', bigImgUrl);
    }
}

function tryAnimeReactorCC() {
    var asPreview = document.getElementsByClassName('prettyPhotoLink');
    for (var i = 0; i < asPreview.length; i++) {
        var a = asPreview[i];
        var urlBigImg = a.getAttribute('href');
        var img = a.getElementsByTagName('img')[0];
        img.setAttribute('src', '');
        img.setAttribute('src', urlBigImg);
    }
}

function tryZerochan() {
    var divPreview = document.getElementById('large');
    if (divPreview === undefined) return;
    var aPreview = divPreview.getElementsByTagName('a')[0];
    if (aPreview === undefined) return;
    var imgPreview = aPreview.getElementsByTagName('img')[0];
    if (imgPreview === undefined) return;
    var urlFull = aPreview.getAttribute('href');
    if (urlFull.length <= 0) return;
    imgPreview.setAttribute('src', '');
    imgPreview.setAttribute('src', urlFull);
}

function tryOtakumode() {
    var countPreview = 0;
    //var divContents = document.getElementById('contents');
    var articlesPreview = document.getElementsByTagName('article');
    //if (articlesPreview === undefined) return;
    var articlePreview = articlesPreview[0];

    articlePreview.addEventListener('DOMSubtreeModified', function() {
        console.log('gotcher');
        var imgsPreview = document.getElementsByClassName('first nomenu nodraggable');
        if (countPreview === imgsPreview.length) return;
        countPreview = imgsPreview.length;
        console.log('atari');

        var exprPass = ".*x\.jpg$";
        for (var i = 0; i < imgsPreview.length; i++) {
            var imgPreview = imgsPreview[i];
            var urlImage = imgPreview.getAttribute('src');
            if (urlImage.match(exprPass) === null) {
                console.log('bingo');
                var ext = '.jpg';
                var urlImageBig = urlImage.substring(0, urlImage.length - ext.length) + 'x' + urlImage.substring(urlImage.length - ext.length);
                imgPreview.setAttribute('src', '');
                imgPreview.setAttribute('src', urlImageBig);
            }
        }
    });
}

tryAnimePictures();
tryAnimeReactorCC();
tryZerochan();
tryOtakumode();