Make the icons in the replies popup light if using a dark theme.

Programmatically and not in xml because it already references a style,
and this is easier.

Clover/app/src/main/java/org/floens/chan/ui/fragment/PostRepliesFragment.java

@@ -25,11 +25,13 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
+import android.widget.TextView;
 
 import org.floens.chan.R;
 import org.floens.chan.core.manager.ThreadManager;
 import org.floens.chan.core.model.Post;
 import org.floens.chan.ui.view.PostView;
+import org.floens.chan.utils.ThemeHelper;
 
 import java.util.List;
 
@@ -94,6 +96,11 @@ public class PostRepliesFragment extends DialogFragment {
             }
         });
 
+        if (!ThemeHelper.getInstance().getTheme().isLightTheme) {
+            ((TextView)container.findViewById(R.id.replies_back_icon)).setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_action_back_dark, 0, 0, 0);
+            ((TextView)container.findViewById(R.id.replies_close_icon)).setCompoundDrawablesWithIntrinsicBounds(R.drawable.ic_action_done_dark, 0, 0, 0);
+        }
+
         return container;
     }
 

Clover/app/src/main/java/org/floens/chan/utils/ThemeHelper.java

@@ -9,16 +9,18 @@ import org.floens.chan.core.ChanPreferences;
 
 public class ThemeHelper {
     public enum Theme {
-        LIGHT("light", R.style.AppTheme),
-        DARK("dark", R.style.AppTheme_Dark),
-        BLACK("black", R.style.AppTheme_Dark_Black);
+        LIGHT("light", R.style.AppTheme, true),
+        DARK("dark", R.style.AppTheme_Dark, false),
+        BLACK("black", R.style.AppTheme_Dark_Black, false);
 
         public String name;
         public int resValue;
+        public boolean isLightTheme;
 
-        private Theme(String name, int resValue) {
+        private Theme(String name, int resValue, boolean isLightTheme) {
             this.name = name;
             this.resValue = resValue;
+            this.isLightTheme = isLightTheme;
         }
     }
 

Clover/app/src/main/res/layout/post_replies.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:minWidth="320dp"
@@ -22,7 +23,9 @@
             android:layout_height="match_parent"
             android:layout_weight="1">
 
-		    <TextView style="?android:actionBarTabTextStyle"
+            <TextView
+                style="?android:actionBarTabTextStyle"
+                android:id="@+id/replies_back_icon"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"
@@ -32,6 +35,7 @@
                 android:gravity="center_vertical"
                 android:text="@string/post_replies_back"/>
         </FrameLayout>
+
         <FrameLayout
             style="?android:actionButtonStyle"
             android:id="@+id/replies_close"
@@ -39,7 +43,9 @@
             android:layout_height="match_parent"
             android:layout_weight="1">
 
-		    <TextView style="?android:actionBarTabTextStyle"
+            <TextView
+                style="?android:actionBarTabTextStyle"
+                android:id="@+id/replies_close_icon"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"