pentadactyl.penta

js <<EOF
/**
 * 命令 reinstall
 * 脚本功能：
 *  1、自动下载 pentadactyl.xpi 最新版
 *  2、更改RC文件读取位置，放到profile文件夹里，默认未开启（By 心清无痕）。
 *  3、如果下面的 addonsJSM_Path 路径存在，则替换修改后的 addons.jsm
 */
var addonsJSM_Path = "~/pentadactyl/pentadactyl.xpi/addons.jsm";
var changeXPI_RC = false;  // （非必要）pentadactyl 默认支持按顺序读取 HOME、用户配置

var mDactyl = {
    reInstall_dactyl: function() {
        var self = this;

        var aURLToDownload = "http://5digits.org/nightly/pentadactyl-latest.xpi";
        // var aURLToDownload = "https://addons.mozilla.org/firefox/downloads/file/249096/pentadactyl-1.1-fx.xpi";

        self.download(aURLToDownload, function(file) {
            if(!file.exists()){
                dactyl.echoerr("下载的 pentadactyl.xpi 不存在");
                return;
            }
            self.replaceAddonsFile(file);
            if(changeXPI_RC){
                self.changeRc(file);
            }
            dactyl.execute(":extadd " + file.path);
        });
    },
    download: function(aURLToDownload, callback) {
        var targetFile, obj_URI, persist;

        targetFile = Services.dirsvc.get("TmpD", Ci.nsIFile);
        targetFile.append("pentadactyl.xpi");

        obj_URI = Services.io.newURI(aURLToDownload, null, null);

        persist = services.Persist();
        persist.persistFlags = persist.PERSIST_FLAGS_REPLACE_EXISTING_FILES;
        persist.progressListener = {
            onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress) {
            },
            onStateChange: function(progress, request, flags, status) {
                if ((flags & Ci.nsIWebProgressListener.STATE_STOP) && status == 0) {
                    callback(targetFile);
                }
            }
        };
        persist.saveURI(obj_URI, null, null, null, "", targetFile, null);
    },
    replaceAddonsFile: function(xpiFile) {
        // 如果存在则替换 addons.jsm
        var file = File(addonsJSM_Path).file;
        if(!file.exists()){
            return;
        }

        var zipW = services.ZipWriter(xpiFile, File.MODE_RDWR);
        zipW.removeEntry("chrome/common/modules/addons.jsm", false);
        zipW.addEntryFile("chrome/common/modules/addons.jsm", Ci.nsIZipWriter.COMPRESSION_DEFAULT,
                file, false);
        zipW.close();
    },
    changeRc: function(xpiFile) {  //更改RC文件读取位置
        const ZIP_DACTYL_PATH = "chrome/common/content/dactyl.js";

        // 读取
        var zipR = services.ZipReader(xpiFile);
        var tmpCont = File.readStream(zipR.getInputStream(ZIP_DACTYL_PATH));
        tmpCont = tmpCont.replace(/io\.getRCFile\("~"\)/g, 'io.getRCFile(services.directory.get("ProfD", Ci.nsIFile).path)');
        zipR.close();

        // 转化
        var stream = services.CharsetConv("UTF-8")
                            .convertToInputStream(tmpCont);

        // 写入
        var zipW = services.ZipWriter(xpiFile, File.MODE_RDWR);
        zipW.removeEntry(ZIP_DACTYL_PATH, false);
        zipW.addEntryStream(ZIP_DACTYL_PATH, Date.now(), Ci.nsIZipWriter.COMPRESSION_DEFAULT,
                stream, false);
        zipW.close();
    }
};
EOF

command! reinstall -description "install the lasted pentadactyl and change rc path add modified addon.jsm" -js mDactyl.reInstall_dactyl();