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package com.android.pump.app;
import android.app.Application;
import androidx.annotation.NonNull;
import androidx.annotation.UiThread;
import androidx.recyclerview.widget.RecyclerView.RecycledViewPool;
import com.android.pump.concurrent.Executors;
import com.android.pump.db.DataProvider;
import com.android.pump.db.MediaDb;
import com.android.pump.provider.KnowledgeGraph;
import com.android.pump.ui.CustomRecycledViewPool;
import com.android.pump.util.Globals;
import com.android.pump.util.ImageLoader;
import java.util.concurrent.Executor;
@UiThread
public abstract class GlobalsApplication extends Application implements Globals.Provider {
private Executor mExecutor;
private ImageLoader mImageLoader;
private RecycledViewPool mRecycledViewPool;
private MediaDb mMediaDb;
@Override
public void onTrimMemory(int level) {
super.onTrimMemory(level);
// TODO(b/123038906) Implement
}
@Override
public @NonNull ImageLoader getImageLoader() {
if (mImageLoader == null) {
mImageLoader = new ImageLoader(getExecutor());
}
return mImageLoader;
}
@Override
public @NonNull RecycledViewPool getRecycledViewPool() {
if (mRecycledViewPool == null) {
mRecycledViewPool = new CustomRecycledViewPool();
}
return mRecycledViewPool;
}
@Override
public @NonNull MediaDb getMediaDb() {
if (mMediaDb == null) {
mMediaDb = new MediaDb(getContentResolver(), getDataProvider(), getExecutor());
// TODO When can we release mMediaDb?
}
return mMediaDb;
}
private @NonNull Executor getExecutor() {
if (mExecutor == null) {
// TODO Adjust pool size
mExecutor = Executors.newFixedUniqueThreadPool(
Runtime.getRuntime().availableProcessors() * 2 + 1);
}
return mExecutor;
}
private @NonNull DataProvider getDataProvider() {
return KnowledgeGraph.getInstance();
}
}
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