Change from using tags in ImageCardView to setting a per-platform background.

This allows us to use a real ImageCardView instead of extending the
class.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/adapters/GameRowPresenter.java

@@ -1,7 +1,10 @@
 package org.dolphinemu.dolphinemu.adapters;
 
+import android.content.Context;
+import android.graphics.drawable.Drawable;
 import android.support.v17.leanback.widget.ImageCardView;
 import android.support.v17.leanback.widget.Presenter;
+import android.support.v4.content.ContextCompat;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
@@ -16,18 +19,11 @@ import org.dolphinemu.dolphinemu.viewholders.TvGameViewHolder;
  */
 public final class GameRowPresenter extends Presenter
 {
+	@Override
 	public ViewHolder onCreateViewHolder(ViewGroup parent)
 	{
 		// Create a new view.
-		ImageCardView gameCard = new ImageCardView(parent.getContext())
+		ImageCardView gameCard = new ImageCardView(parent.getContext());
-		{
-			@Override
-			public void setSelected(boolean selected)
-			{
-				setCardBackground(this, selected);
-				super.setSelected(selected);
-			}
-		};
 
 		gameCard.setMainImageAdjustViewBounds(true);
 		gameCard.setMainImageDimensions(480, 320);
@@ -36,12 +32,11 @@ public final class GameRowPresenter extends Presenter
 		gameCard.setFocusable(true);
 		gameCard.setFocusableInTouchMode(true);
 
-		setCardBackground(gameCard, false);
-
 		// Use that view to create a ViewHolder.
 		return new TvGameViewHolder(gameCard);
 	}
 
+	@Override
 	public void onBindViewHolder(ViewHolder viewHolder, Object item)
 	{
 		TvGameViewHolder holder = (TvGameViewHolder) viewHolder;
@@ -64,45 +59,29 @@ public final class GameRowPresenter extends Presenter
 		holder.company = game.getCompany();
 		holder.screenshotPath = game.getScreenshotPath();
 
+		// Set the platform-dependent background color of the card
+		int backgroundId;
 		switch (game.getPlatform())
 		{
 			case Game.PLATFORM_GC:
-				holder.cardParent.setTag(R.color.dolphin_accent_gamecube);
+				backgroundId = R.drawable.tv_card_background_gamecube;
 				break;
-
 			case Game.PLATFORM_WII:
-				holder.cardParent.setTag(R.color.dolphin_accent_wii);
+				backgroundId = R.drawable.tv_card_background_wii;
 				break;
-
 			case Game.PLATFORM_WII_WARE:
-				holder.cardParent.setTag(R.color.dolphin_accent_wiiware);
+			default:  // This shouldn't happen, but set the default to WiiWare colors.
-				break;
+				backgroundId = R.drawable.tv_card_background_wiiware;
-
-			default:
-				holder.cardParent.setTag(android.R.color.holo_red_dark);
 				break;
 		}
+		Context context = holder.cardParent.getContext();
+		Drawable background = ContextCompat.getDrawable(context, backgroundId);
+		holder.cardParent.setInfoAreaBackground(background);
 	}
 
+	@Override
 	public void onUnbindViewHolder(ViewHolder viewHolder)
 	{
 		// no op
 	}
-
-	public void setCardBackground(ImageCardView view, boolean selected)
-	{
-		int backgroundColor;
-
-		if (selected)
-		{
-			// TODO: 7/20/15 Try using view tag to set color
-			backgroundColor = (int) view.getTag();
-		}
-		else
-		{
-			backgroundColor = R.color.tv_card_unselected;
-		}
-
-		view.setInfoAreaBackgroundColor(view.getResources().getColor(backgroundColor));
-	}
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/viewholders/TvGameViewHolder.java

@@ -25,8 +25,6 @@ public final class TvGameViewHolder extends Presenter.ViewHolder
 	public String company;
 	public String screenshotPath;
 
-	public int backgroundColor;
-
 	public TvGameViewHolder(View itemView)
 	{
 		super(itemView);

Source/Android/app/src/main/res/drawable/tv_card_background_gamecube.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:state_selected="true"
+        android:drawable="@color/dolphin_accent_gamecube" />
+    <item
+        android:drawable="@color/tv_card_unselected" />
+</selector>

Source/Android/app/src/main/res/drawable/tv_card_background_wii.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:state_selected="true"
+        android:drawable="@color/dolphin_accent_wii" />
+    <item
+        android:drawable="@color/tv_card_unselected" />
+</selector>

Source/Android/app/src/main/res/drawable/tv_card_background_wiiware.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:state_selected="true"
+        android:drawable="@color/dolphin_accent_wiiware" />
+    <item
+        android:drawable="@color/tv_card_unselected" />
+</selector>