Google Drive Direct Links

Direct link functionality for Google Drive
当前为 2015-09-16 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Google Drive Direct Links
// @version      0.7
// @description  Direct link functionality for Google Drive
// @author       Josh Bjelovuk
// @match        *://drive.google.com/*
// @grant        none
// @namespace    https://gf.qytechs.cn/users/11679
// ==/UserScript==

var isSharedFolder = false;

var observer = new MutationObserver(function(mutations) {
    var navContainer = document.getElementsByClassName('a-R-K-Ro')[0];
    var navBars = navContainer.getElementsByClassName('a-pa-ob-Ff');

    for (var i = 1; i < navBars.length; i++) {
        if (navBars[i].style.display !== 'none') {
            var shared = navBars[i].getElementsByClassName('O-Ka-I-e')[0];
            if (shared && shared.getAttribute('aria-label'))
                isSharedFolder = true;
            else
                isSharedFolder = false;
            break;
        }
    }
    mutations.forEach(function(mutation) {
        for (var i = 0; i < mutation.addedNodes.length; i++) {
            var node = mutation.addedNodes[i];
            if (node.dataset.target === 'linkBubble') {
                var link = node.getElementsByTagName('input')[0];
                var directLink = link.cloneNode(true);
                if (isSharedFolder) {
                    var folderId = location.href.slice(location.href.lastIndexOf('/') + 1);
                    var file = node.previousSibling;
                    var fileName = (file.getElementsByClassName('k-v-M')[0] || file.getElementsByClassName('k-u-P-M')[0]).getAttribute('aria-label');
                    directLink.value = 'https://googledrive.com/host/'+ folderId +'/'+ fileName;
                }
                else
                    directLink.value = 'https://googledrive.com/host/'+ node.previousSibling.dataset.id;
                directLink.onclick = function() { this.select(); };
                var label = document.createElement('p');
                label.style.cssText = "margin-top: 10px; margin-bottom: 10px;"
                label.textContent = 'Direct link:';
                link.parentNode.insertBefore(directLink, link.nextSibling);
                link.parentNode.insertBefore(label, link.nextSibling);
                break;
            }
            else
                setClickEvent(node);
        }
    });
});
var content = document.getElementById('drive_main_page');
if (content)
    observer.observe(content, { childList: true, subtree: true });
    
function setClickEvent(elem) {
    if (elem.classList && (elem.classList.contains('a-v-hc-m') || elem.classList.contains('k-ji-ae')))
        elem.addEventListener('contextmenu', adjustMenu);
    else {
        for (var i = 0; i < elem.children.length; i++)
            setClickEvent(elem.children[i]);
    }
}

function adjustMenu() {
    var file = this;

    setTimeout(function() {
        var menus = document.getElementsByClassName('j-A');

        for (var i = 0; i < menus.length; i++) {
            var menu = menus[i];
            if (menu.style.display !== 'none') {
                var existing = document.getElementById('DLID');
                if (existing)
                    existing.remove();
                
                var clone = menu.children[7].cloneNode(true);
                clone.id = 'DLID';
                clone.getElementsByClassName('a-D-P')[0].innerHTML = 'Open direct';

                clone.onmouseleave = clone.onmouseenter = function() {
                    this.classList.toggle('j-D-pc');
                };
                clone.onclick = function() {
                    var url;
                    if (isSharedFolder) {
                        var folderId = location.href.slice(location.href.lastIndexOf('/') + 1);
                        var fileName = (file.getElementsByClassName('k-v-M')[0] || file.getElementsByClassName('k-u-P-M')[0]).getAttribute('aria-label');
                        url = 'https://googledrive.com/host/'+ folderId +'/'+ fileName;
                    }
                    else
                        url = 'https://googledrive.com/host/'+ file.dataset.id;

                    window.open(url);
                };

                menu.insertBefore(clone, menu.children[8]);
                break;
            }
        }
    });
}
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