[Android] Load the game banner from the iso and use if no screenshot is available

It doesn't look that good since the banners are 96x32 but it still better
than nothing.

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

@@ -3,20 +3,18 @@ package org.dolphinemu.dolphinemu.adapters;
 import android.app.Activity;
 import android.database.Cursor;
 import android.database.DataSetObserver;
-import android.graphics.Bitmap;
 import android.graphics.Rect;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-import com.squareup.picasso.Picasso;
-
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.activities.EmulationActivity;
 import org.dolphinemu.dolphinemu.dialogs.GameDetailsDialog;
 import org.dolphinemu.dolphinemu.model.GameDatabase;
 import org.dolphinemu.dolphinemu.utils.Log;
+import org.dolphinemu.dolphinemu.utils.PicassoUtils;
 import org.dolphinemu.dolphinemu.viewholders.GameViewHolder;
 
 /**
@@ -80,17 +78,7 @@ public final class GameAdapter extends RecyclerView.Adapter<GameViewHolder> impl
 			if (mCursor.moveToPosition(position))
 			{
 				String screenPath = mCursor.getString(GameDatabase.GAME_COLUMN_SCREENSHOT_PATH);
-
-				// Fill in the view contents.
-				Picasso.with(holder.imageScreenshot.getContext())
-						.load(screenPath)
-						.fit()
-						.centerCrop()
-						.noFade()
-						.noPlaceholder()
-						.config(Bitmap.Config.RGB_565)
-						.error(R.drawable.no_banner)
-						.into(holder.imageScreenshot);
+				PicassoUtils.loadGameBanner(holder.imageScreenshot, screenPath, mCursor.getString(GameDatabase.GAME_COLUMN_PATH));
 
 				holder.textGameTitle.setText(mCursor.getString(GameDatabase.GAME_COLUMN_TITLE));
 				holder.textCompany.setText(mCursor.getString(GameDatabase.GAME_COLUMN_COMPANY));

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

@@ -1,15 +1,13 @@
 package org.dolphinemu.dolphinemu.adapters;
 
-import android.graphics.Bitmap;
 import android.support.v17.leanback.widget.ImageCardView;
 import android.support.v17.leanback.widget.Presenter;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
-import com.squareup.picasso.Picasso;
-
 import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.model.Game;
+import org.dolphinemu.dolphinemu.utils.PicassoUtils;
 import org.dolphinemu.dolphinemu.viewholders.TvGameViewHolder;
 
 /**
@@ -52,17 +50,7 @@ public final class GameRowPresenter extends Presenter
 		String screenPath = game.getScreenshotPath();
 
 		holder.imageScreenshot.setImageDrawable(null);
-
-		// Fill in the view contents.
-		Picasso.with(holder.imageScreenshot.getContext())
-				.load(screenPath)
-				.fit()
-				.centerCrop()
-				.noFade()
-				.noPlaceholder()
-				.config(Bitmap.Config.RGB_565)
-				.error(R.drawable.no_banner)
-				.into(holder.imageScreenshot);
+		PicassoUtils.loadGameBanner(holder.imageScreenshot, screenPath, game.getPath());
 
 		holder.cardParent.setTitleText(game.getTitle());
 		holder.cardParent.setContentText(game.getCompany());

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/GameBannerRequestHandler.java

@@ -0,0 +1,31 @@
+package org.dolphinemu.dolphinemu.utils;
+
+import android.graphics.Bitmap;
+
+import com.squareup.picasso.Picasso;
+import com.squareup.picasso.Request;
+import com.squareup.picasso.RequestHandler;
+
+import org.dolphinemu.dolphinemu.NativeLibrary;
+
+import java.io.IOException;
+import java.nio.IntBuffer;
+
+public class GameBannerRequestHandler extends RequestHandler {
+	@Override
+	public boolean canHandleRequest(Request data) {
+		return "iso".equals(data.uri.getScheme());
+	}
+
+	@Override
+	public Result load(Request request, int networkPolicy) throws IOException {
+		String url = request.uri.getHost() + request.uri.getPath();
+		int[] vector = NativeLibrary.GetBanner(url);
+		int width = 96;
+		int height = 32;
+		Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+		bitmap.setPixels(vector, 0, width, 0, 0, width, height);
+		bitmap.copyPixelsFromBuffer(IntBuffer.wrap(vector));
+		return new Result(bitmap, Picasso.LoadedFrom.DISK);
+	}
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/PicassoUtils.java

@@ -0,0 +1,45 @@
+package org.dolphinemu.dolphinemu.utils;
+
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.widget.ImageView;
+
+import com.squareup.picasso.Picasso;
+
+import org.dolphinemu.dolphinemu.R;
+
+import java.io.File;
+import java.net.URI;
+
+public class PicassoUtils {
+	public static void loadGameBanner(ImageView imageView, String screenshotPath, String gamePath) {
+		File file = new File(URI.create(screenshotPath));
+		if (file.exists()) {
+			// Fill in the view contents.
+			Picasso.with(imageView.getContext())
+					.load(screenshotPath)
+					.fit()
+					.centerCrop()
+					.noFade()
+					.noPlaceholder()
+					.config(Bitmap.Config.RGB_565)
+					.error(R.drawable.no_banner)
+					.into(imageView);
+		} else {
+			Picasso picassoInstance = new Picasso.Builder(imageView.getContext())
+					.addRequestHandler(new GameBannerRequestHandler())
+					.build();
+
+			picassoInstance
+					.load(Uri.parse("iso:/" + gamePath))
+					.fit()
+					.noFade()
+					.noPlaceholder()
+					.config(Bitmap.Config.RGB_565)
+					.error(R.drawable.no_banner)
+					.into(imageView);
+		}
+
+
+	}
+}