DownloadEnhance.uc.js

// ==UserScript==
// @name         download_enhance.uc.js
// @note         testversion: 20130416 minofix lastdream2013 
// @description  下载另存为+修改下载文件名
// @author       紫云飞
// @include      chrome://mozapps/content/downloads/unknownContentType.xul
// @note         2014.06.06 add delay to fix for new userChrome.js
// ==/UserScript==
(function() {

    switch (location.href) {
        case "chrome://browser/content/browser.xul":
            break;
        case "chrome://mozapps/content/downloads/unknownContentType.xul":
            setTimeout(function(){
                download_dialog_changeName(); // 下载改名
                download_dialog_saveas(); //另存为...
            }, 200);
            break;
    }

    function download_dialog_changeName() {
        if (location != "chrome://mozapps/content/downloads/unknownContentType.xul") return;
        document.querySelector("#mode").addEventListener("select", function() {
            if (dialog.dialogElement("save").selected) {
                if (!document.querySelector("#locationtext")) {
                    var locationtext = document.querySelector("#location").parentNode.insertBefore(document.createElement("textbox"), document.querySelector("#location"));
                    locationtext.id = "locationtext";
                    locationtext.setAttribute("style", "margin-top:-2px;margin-bottom:-3px");
                    locationtext.value = document.querySelector("#location").value;
                }
                document.querySelector("#location").hidden = true;
                document.querySelector("#locationtext").hidden = false;
            } else {
                document.querySelector("#locationtext").hidden = true;
                document.querySelector("#location").hidden = false;
            }
        }, false)
        dialog.dialogElement("save").click();
        window.addEventListener("dialogaccept", function() {
            if ((document.querySelector("#locationtext").value != document.querySelector("#location").value) && dialog.dialogElement("save").selected) {
                var mainwin = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService(Components.interfaces.nsIWindowMediator).getMostRecentWindow("navigator:browser");
                mainwin.eval("(" + mainwin.internalSave.toString().replace("let ", "").replace("var fpParams", "fileInfo.fileExt=null;fileInfo.fileName=aDefaultFileName;var fpParams") + ")")(dialog.mLauncher.source.asciiSpec, null, document.querySelector("#locationtext").value, null, null, null, null, null, null, mainwin.document, Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch).getBoolPref("browser.download.useDownloadDir"), null);
                document.documentElement.removeAttribute("ondialogaccept");
            }
        }, false);
    }

    function download_dialog_saveas() {
        var saveas = document.documentElement.getButton("extra1");
        saveas.setAttribute("hidden", "false");
        saveas.setAttribute("label", "\u53E6\u5B58\u4E3A");
        saveas.setAttribute("oncommand", 'var mainwin = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService(Components.interfaces.nsIWindowMediator).getMostRecentWindow("navigator:browser"); mainwin.eval("(" + mainwin.internalSave.toString().replace("let ", "").replace("var fpParams", "fileInfo.fileExt=null;fileInfo.fileName=aDefaultFileName;var fpParams") + ")")(dialog.mLauncher.source.asciiSpec, null, (document.querySelector("#locationtext") ? document.querySelector("#locationtext").value : dialog.mLauncher.suggestedFileName), null, null, null, null, null, null, mainwin.document, 0, null);close()');
    }

})();