From 244130fc1bfa7694d243d7212967c84c41b027d1 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 8 Nov 2014 13:56:16 -0800
Subject: [PATCH] Add visual indication when no PCs have been found yet

---
 app/src/main/java/com/limelight/PcView.java   | 12 +++++
 .../main/res/layout-land/activity_pc_view.xml | 44 +++++++++++++++----
 .../main/res/layout-port/activity_pc_view.xml | 44 +++++++++++++++----
 3 files changed, 82 insertions(+), 18 deletions(-)

diff --git a/app/src/main/java/com/limelight/PcView.java b/app/src/main/java/com/limelight/PcView.java
index 2017e078..d090144e 100644
--- a/app/src/main/java/com/limelight/PcView.java
+++ b/app/src/main/java/com/limelight/PcView.java
@@ -40,11 +40,13 @@ import android.widget.AdapterView.OnItemClickListener;
 import android.widget.Button;
 import android.widget.GridView;
 import android.widget.ImageButton;
+import android.widget.RelativeLayout;
 import android.widget.Toast;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 
 public class PcView extends Activity {
 	private ImageButton settingsButton, addComputerButton;
+    private RelativeLayout noPcFoundLayout;
 	private GridView pcGrid;
 	private PcGridAdapter pcGridAdapter;
 	private ComputerManagerService.ComputerManagerBinder managerBinder;
@@ -141,6 +143,13 @@ public class PcView extends Activity {
 			}
 		});
 
+        noPcFoundLayout = (RelativeLayout) findViewById(R.id.no_pc_found_layout);
+        if (pcGridAdapter.getCount() == 0) {
+            noPcFoundLayout.setVisibility(View.VISIBLE);
+        }
+        else {
+            noPcFoundLayout.setVisibility(View.INVISIBLE);
+        }
         pcGridAdapter.notifyDataSetChanged();
     }
 	
@@ -542,6 +551,9 @@ public class PcView extends Activity {
 		else {
 			// Add a new entry
             pcGridAdapter.addComputer(new ComputerObject(details));
+
+            // Remove the "Discovery in progress" view
+            noPcFoundLayout.setVisibility(View.INVISIBLE);
 		}
 
         // Notify the view that the data has changed
diff --git a/app/src/main/res/layout-land/activity_pc_view.xml b/app/src/main/res/layout-land/activity_pc_view.xml
index e30e2ba1..06ad7c52 100644
--- a/app/src/main/res/layout-land/activity_pc_view.xml
+++ b/app/src/main/res/layout-land/activity_pc_view.xml
@@ -8,17 +8,43 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context=".PcView" >
 
-    <GridView
-        android:id="@+id/pcGridView"
-        android:layout_width="fill_parent"
+    <RelativeLayout
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:numColumns="auto_fit"
-        android:columnWidth="160dp"
-        android:gravity="center"
-        android:layout_alignParentBottom="true"
-        android:layout_alignParentTop="true"
         android:layout_toLeftOf="@+id/manuallyAddPc"
-        android:layout_toRightOf="@+id/settingsButton"/>
+        android:layout_toRightOf="@+id/settingsButton">
+        <GridView
+            android:id="@+id/pcGridView"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:numColumns="auto_fit"
+            android:columnWidth="160dp"
+            android:gravity="center"
+            android:layout_alignParentBottom="true"
+            android:layout_alignParentTop="true"/>
+        <RelativeLayout
+            android:id="@+id/no_pc_found_layout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:layout_centerVertical="true"
+            android:layout_centerHorizontal="true">
+            <ImageView
+                android:id="@+id/pcs_loading"
+                android:layout_width="75dp"
+                android:layout_height="75dp"
+                android:src="@drawable/image_loading"/>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_toRightOf="@+id/pcs_loading"
+                android:layout_marginLeft="5dp"
+                android:layout_centerVertical="true"
+                android:textAppearance="?android:attr/textAppearanceLarge"
+                android:gravity="center"
+                android:text="Searching for PCs on the network..."/>
+            </RelativeLayout>
+        </RelativeLayout>
 
     <ImageButton
         android:id="@+id/settingsButton"
diff --git a/app/src/main/res/layout-port/activity_pc_view.xml b/app/src/main/res/layout-port/activity_pc_view.xml
index a92b1dad..20a7cb60 100644
--- a/app/src/main/res/layout-port/activity_pc_view.xml
+++ b/app/src/main/res/layout-port/activity_pc_view.xml
@@ -8,17 +8,43 @@
     android:paddingTop="@dimen/activity_vertical_margin"
     tools:context=".PcView" >
 
-    <GridView
-        android:id="@+id/pcGridView"
-        android:layout_width="fill_parent"
+    <RelativeLayout
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:numColumns="auto_fit"
-        android:columnWidth="160dp"
-        android:gravity="center"
-        android:layout_alignParentBottom="true"
-        android:layout_alignParentTop="true"
         android:layout_toLeftOf="@+id/manuallyAddPc"
-        android:layout_toRightOf="@+id/settingsButton"/>
+        android:layout_toRightOf="@+id/settingsButton">
+        <GridView
+            android:id="@+id/pcGridView"
+            android:layout_width="fill_parent"
+            android:layout_height="wrap_content"
+            android:numColumns="auto_fit"
+            android:columnWidth="160dp"
+            android:gravity="center"
+            android:layout_alignParentBottom="true"
+            android:layout_alignParentTop="true"/>
+        <RelativeLayout
+            android:id="@+id/no_pc_found_layout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:layout_centerVertical="true"
+            android:layout_centerHorizontal="true">
+            <ImageView
+                android:id="@+id/pcs_loading"
+                android:layout_width="75dp"
+                android:layout_height="75dp"
+                android:src="@drawable/image_loading"/>
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_toRightOf="@+id/pcs_loading"
+                android:layout_marginLeft="5dp"
+                android:layout_centerVertical="true"
+                android:textAppearance="?android:attr/textAppearanceLarge"
+                android:gravity="center"
+                android:text="Searching for PCs on the network..."/>
+        </RelativeLayout>
+    </RelativeLayout>
 
     <ImageButton
         android:id="@+id/settingsButton"