Initial helper functions

bda/helper.js

@@ -0,0 +1,65 @@
+/* BetterDiscordApp Helper functions
+ * Version: 1.0
+ * Author: Jiiks | http://jiiks.net
+ * Date: 25/08/2015 - 09:19
+ * https://github.com/Jiiks/BetterDiscordApp
+ */
+
+var https = require('https');
+
+var _mainWindow;
+
+function Helper(mainWindow) {
+    _mainWindow = mainWindow;
+}
+
+//get app mainwindow
+function getMainWindow() {
+    return _mainWindow;
+}
+
+//Download using https
+function download(url, callback) {
+    https.get(url, function(res) {
+        var data = "";
+        res.on('data', function (chunk) {
+            data += chunk;
+        });
+        res.on("end", function() {
+            callback(data);
+        });
+    }).on("error", function() {
+        callback(null);
+    });
+}
+
+//Get webcontents
+Helper.prototype.getWeb = function() {
+    return getMainWindow().webContents;
+}
+
+//Log
+Helper.prototype.log = function(message) {
+    this.execJs('console.log("BetterDiscord: ' + message + '");');
+}
+
+//Execute javascript
+Helper.prototype.execJs = function(js) {
+    this.getWeb().executeJavaScript(js);
+}
+
+//Inject variable to first element by tag
+Helper.prototype.injectToElementByTag = function(element, js, varname) {
+    this.execJs(js + " " + 'document.getElementsByTagName("'+element+'")[0].appendChild('+varname+')');
+}
+
+//Injects a stylesheet from url to head as internal style
+Helper.prototype.injectStylesheet = function(url) {
+    var self = this;
+    download(url, function(data) {
+        var js = 'var style = document.createElement("style"); style.type = "text/css"; style.innerHTML = "'+data+'";';
+        self.injectToElementByTag("head", js, "style");
+    });
+}
+
+exports.Helper = Helper;