Fix huge performance issues when dealing with large app lists

2015-02-25 21:07:35 -05:00
parent e222f2f6c3
commit ee58071ff1
6 changed files with 439 additions and 231 deletions
@@ -0,0 +1,56 @@
+package com.limelight.grid.assets;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import com.limelight.LimeLog;
+import com.limelight.utils.CacheHelper;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class DiskAssetLoader implements CachedAppAssetLoader.CachedLoader {
+    private final File cacheDir;
+
+    public DiskAssetLoader(File cacheDir) {
+        this.cacheDir = cacheDir;
+    }
+
+    @Override
+    public Bitmap loadBitmapFromCache(CachedAppAssetLoader.LoaderTuple tuple) {
+        InputStream in = null;
+        Bitmap bmp = null;
+        try {
+            in = CacheHelper.openCacheFileForInput(cacheDir, "boxart", tuple.computer.uuid.toString(), tuple.app.getAppId() + ".png");
+            bmp = BitmapFactory.decodeStream(in);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (in != null) {
+                try {
+                    in.close();
+                } catch (IOException ignored) {}
+            }
+        }
+
+        if (bmp != null) {
+            LimeLog.info("Disk cache hit for tuple: "+tuple);
+        }
+
+        return bmp;
+    }
+
+    @Override
+    public void populateCache(CachedAppAssetLoader.LoaderTuple tuple, Bitmap bitmap) {
+        try {
+            // PNG ignores quality setting
+            FileOutputStream out = CacheHelper.openCacheFileForOutput(cacheDir, "boxart", tuple.computer.uuid.toString(), tuple.app.getAppId() + ".png");
+            bitmap.compress(Bitmap.CompressFormat.PNG, 0, out);
+            out.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}