pass css selector to target color changes

Author: mythz

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/ChatCommandHandler.java

@@ -6,13 +6,15 @@
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.os.Vibrator;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.ListView;
 
 import net.servicestack.android.AsyncUtils;
+import net.servicestack.client.Utils;
 import net.servicestack.func.Func;
 
 import java.util.ArrayList;
@@ -123,7 +125,7 @@ private void cancelNotification(NotificationManager notificationManager)
     public void changeBackground(String message)
     {
         String url = message.startsWith("url(")
-            ? message.substring(4, message.length() - 5)
+            ? message.substring(4, message.length() - 1)
             : message;
 
         App.get().readBitmap(url, bitmap -> {
@@ -132,18 +134,31 @@ public void changeBackground(String message)
         });
     }
 
-    public void changeBackgroundColor(String message)
-    {
+    public void changeBackgroundColor(String message, String cssSelector){
         // Inject alpha values
         String color = message.replace("#", "#AA");
         ListView chatLayout = (ListView)parentActivity.findViewById(R.id.messageHistory);
         EditText editText = (EditText)parentActivity.findViewById(R.id.message);
         Button sendButton = (Button)parentActivity.findViewById(R.id.sendMessageButton);
 
+        int colorVal = Color.parseColor(color);
         parentActivity.runOnUiThread(() -> {
-            chatLayout.setBackgroundColor(Color.parseColor(color));
-            editText.setBackgroundColor(Color.parseColor(color));
-            sendButton.setBackgroundColor(Color.parseColor(color));
+            if (Objects.equals(cssSelector, "#top")){
+                parentActivity.getSupportActionBar().setBackgroundDrawable(
+                    new ColorDrawable(colorVal)
+                );
+            }
+
+            if (Objects.equals(cssSelector, "#body") || cssSelector == null){
+                chatLayout.setBackgroundColor(colorVal);
+                ImageView chatBackground = (ImageView)parentActivity.findViewById(R.id.chat_background);
+                chatBackground.setImageDrawable(null);
+            }
+
+            if (Objects.equals(cssSelector, "#bottom")){
+                editText.setBackgroundColor(colorVal);
+                sendButton.setBackgroundColor(colorVal);
+            }
         });
     }
 }

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/CssReceiver.java

@@ -17,7 +17,7 @@ public void backgroundImage(String message){
         chatMessageHandler.changeBackground(message);
     }
 
-    public void Background(String message){
-        chatMessageHandler.changeBackgroundColor(message);
+    public void background(String message){
+        chatMessageHandler.changeBackgroundColor(message, super.getRequest().getCssSelector());
     }
 }

src/AndroidClient/androidchat/src/main/java/servicestack/net/androidchat/MainActivity.java

@@ -50,11 +50,13 @@ public class MainActivity extends AppCompatActivity {
     private List<ServerEventUser> subscriberList = new ArrayList<>();
 
     private static Map<String, String> commands = Func.toDictionary(
-        "Announce Hello",          "/cmd.announce Hello from Android",
-        "Play YouTube",            "/tv.watch https://youtu.be/u5CVsCnxyXg",
-        "Set background color",    "/css.background$#top #0091ea",
-        "Reset background color",  "/css.background$#top #ffffff",
-        "Logout",                  "/logout"
+        "Announce Hello",     "/cmd.announce Hello from Java Android",
+        "Play YouTube",       "/tv.watch https://youtu.be/u5CVsCnxyXg",
+        "Background Image",   "/css.background-image url(http://bit.ly/2lZxbHv)",
+        "Background Top",     "/css.background$#top #0091ea",
+        "Background",         "/css.background #fffde7",
+        "Background Bottom",  "/css.background$#bottom #cccccc",
+        "Logout",             "/logout"
     );
 
     public AndroidServerEventsClient getClient(){
@@ -124,11 +126,11 @@ protected void onCreate(Bundle savedInstanceState) {
         });
 
         drawerToggle = new ChatActionBarDrawerToggle(
-            this,                   //Host Activity
-            drawerLayout,           //DrawerLayout
-            toolbar,                //Instance of toolbar, if you use other ctor, the hamburger icon/arrow animation won't work..
-            R.string.openDrawer,    //Opened Message
-            R.string.closeDrawer    //Closed Message
+            this,              //Host Activity
+            drawerLayout,      //DrawerLayout
+            toolbar,           //Instance of toolbar, if you use other ctor, the hamburger icon/arrow animation won't work..
+            R.string.openDrawer, //Opened Message
+            R.string.closeDrawer     //Closed Message
         );
 
         getSupportActionBar().setHomeButtonEnabled(true);