Fixed White Page bug on Linux

Fixes #181

app/view/preferences/Preferences.js

@@ -59,7 +59,7 @@ Ext.define('Rambox.view.preferences.Preferences',{
 						,name: 'hide_menu_bar'
 						,boxLabel: 'Auto-hide Menu bar (<code>Alt</code> key to display)'
 						,value: config.hide_menu_bar
-						,hidden: Ext.os.is.MacOS
+						,hidden: process.platform !== 'win32'
 					}
 					,{
 						 xtype: 'checkbox'
@@ -67,7 +67,7 @@ Ext.define('Rambox.view.preferences.Preferences',{
 						,boxLabel: 'Show in Taskbar'
 						,value: config.skip_taskbar
 						,reference: 'skipTaskbar'
-						,hidden: Ext.os.is.MacOS
+						,hidden: process.platform !== 'win32'
 					}
 					,{
 						 xtype: 'checkbox'
@@ -75,7 +75,7 @@ Ext.define('Rambox.view.preferences.Preferences',{
 						,boxLabel: 'Keep Rambox in the Taskbar when close it'
 						,value: config.keep_in_taskbar_on_close
 						,bind: { disabled: '{!skipTaskbar.checked}' }
-						,hidden: Ext.os.is.MacOS
+						,hidden: process.platform !== 'win32'
 					}
 					,{
 						 xtype: 'checkbox'
@@ -88,7 +88,13 @@ Ext.define('Rambox.view.preferences.Preferences',{
 						,name: 'systemtray_indicator'
 						,boxLabel: 'Show System Tray indicator on unread messages'
 						,value: config.systemtray_indicator
-						,hidden: Ext.os.is.MacOS
+						,hidden: process.platform === 'darwin'
+					}
+					,{
+						 xtype: 'checkbox'
+						,name: 'disable_gpu'
+						,boxLabel: 'Disable Hardware Acceleration (needs to relaunch)'
+						,value: config.disable_gpu
 					}
 					,{
 						 xtype: 'fieldset'

electron/main.js

@@ -29,6 +29,7 @@ const config = new Config({
 		,start_minimized: false
 		,systemtray_indicator: true
 		,master_password: false
+		,disable_gpu: process.platform === 'linux'
 		,proxy: false
 		,proxyHost: ''
 		,proxyPort: ''
@@ -380,6 +381,12 @@ ipcMain.on('image:popup', function(event, url, partition) {
 // Proxy
 if ( config.get('proxy') ) app.commandLine.appendSwitch('proxy-server', config.get('proxyHost')+':'+config.get('proxyPort'));
 
+// Disable GPU Acceleration for Linux
+// to prevent White Page bug
+// https://github.com/electron/electron/issues/6139
+// https://github.com/saenzramiro/rambox/issues/181
+if ( config.get('disable_gpu') ) app.disableHardwareAcceleration();
+
 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 app.on('ready', function() {