2015-01-31 22:14:12 -05:00

285 lines
10 KiB
Java

package com.limelight.grid;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import com.koushikdutta.async.future.FutureCallback;
import com.koushikdutta.ion.ImageViewBitmapInfo;
import com.koushikdutta.ion.Ion;
import com.limelight.AppView;
import com.limelight.LimeLog;
import com.limelight.R;
import com.limelight.binding.PlatformBinding;
import com.limelight.nvstream.http.ComputerDetails;
import com.limelight.nvstream.http.LimelightCryptoProvider;
import com.limelight.utils.CacheHelper;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.SecureRandom;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.Future;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509KeyManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.X509Certificate;
public class AppGridAdapter extends GenericGridAdapter<AppView.AppObject> {
private ComputerDetails computer;
private String uniqueId;
private LimelightCryptoProvider cryptoProvider;
private SSLContext sslContext;
private final HashMap<ImageView, Future> pendingRequests = new HashMap<ImageView, Future>();
public AppGridAdapter(Context context, boolean listMode, boolean small, ComputerDetails computer, String uniqueId) throws NoSuchAlgorithmException, KeyManagementException {
super(context, listMode ? R.layout.simple_row : (small ? R.layout.app_grid_item_small : R.layout.app_grid_item), R.drawable.image_loading);
this.computer = computer;
this.uniqueId = uniqueId;
cryptoProvider = PlatformBinding.getCryptoProvider(context);
sslContext = SSLContext.getInstance("SSL");
sslContext.init(ourKeyman, trustAllCerts, new SecureRandom());
}
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
public void checkClientTrusted(X509Certificate[] certs, String authType) {}
public void checkServerTrusted(X509Certificate[] certs, String authType) {}
}};
KeyManager[] ourKeyman = new KeyManager[] {
new X509KeyManager() {
public String chooseClientAlias(String[] keyTypes,
Principal[] issuers, Socket socket) {
return "Limelight-RSA";
}
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) {
return null;
}
public X509Certificate[] getCertificateChain(String alias) {
return new X509Certificate[] {cryptoProvider.getClientCertificate()};
}
public String[] getClientAliases(String keyType, Principal[] issuers) {
return null;
}
public PrivateKey getPrivateKey(String alias) {
return cryptoProvider.getClientPrivateKey();
}
public String[] getServerAliases(String keyType, Principal[] issuers) {
return null;
}
}
};
// Ignore differences between given hostname and certificate hostname
HostnameVerifier hv = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) { return true; }
};
private void sortList() {
Collections.sort(itemList, new Comparator<AppView.AppObject>() {
@Override
public int compare(AppView.AppObject lhs, AppView.AppObject rhs) {
return lhs.app.getAppName().compareTo(rhs.app.getAppName());
}
});
}
private InetAddress getCurrentAddress() {
if (computer.reachability == ComputerDetails.Reachability.LOCAL) {
return computer.localIp;
}
else {
return computer.remoteIp;
}
}
public void addApp(AppView.AppObject app) {
itemList.add(app);
sortList();
}
public void abortPendingRequests() {
HashMap<ImageView, Future> tempMap;
synchronized (pendingRequests) {
// Copy the pending requests under a lock
tempMap = new HashMap<ImageView, Future>(pendingRequests);
}
for (Future f : tempMap.values()) {
if (!f.isCancelled() && !f.isDone()) {
f.cancel(true);
}
}
synchronized (pendingRequests) {
// Remove cancelled requests
for (ImageView v : tempMap.keySet()) {
pendingRequests.remove(v);
}
}
}
// TODO: Handle pruning of bitmap cache
private void populateBitmapCache(UUID uuid, int appId, Bitmap bitmap) {
try {
// PNG ignores quality setting
FileOutputStream out = CacheHelper.openCacheFileForOutput(context.getCacheDir(), "boxart", uuid.toString(), appId+".png");
bitmap.compress(Bitmap.CompressFormat.PNG, 0, out);
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public boolean populateImageView(final ImageView imgView, final AppView.AppObject obj) {
// Hide the image view while we're loading the image from disk cache
imgView.setVisibility(View.INVISIBLE);
// Check the on-disk cache
new ImageCacheRequest(imgView, obj.app.getAppId()).execute();
return true;
}
@Override
public boolean populateTextView(TextView txtView, AppView.AppObject obj) {
// Select the text view so it starts marquee mode
txtView.setSelected(true);
// Return false to use the app's toString method
return false;
}
@Override
public boolean populateOverlayView(ImageView overlayView, AppView.AppObject obj) {
if (obj.app.getIsRunning()) {
// Show the play button overlay
overlayView.setImageResource(R.drawable.play);
return true;
}
// No overlay
return false;
}
private class ImageCacheRequest extends AsyncTask<Void, Void, Bitmap> {
private ImageView view;
private int appId;
public ImageCacheRequest(ImageView view, int appId) {
this.view = view;
this.appId = appId;
}
@Override
protected Bitmap doInBackground(Void... v) {
InputStream in = null;
try {
in = CacheHelper.openCacheFileForInput(context.getCacheDir(), "boxart", computer.uuid.toString(), appId + ".png");
return BitmapFactory.decodeStream(in);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {}
}
}
return null;
}
@Override
protected void onPostExecute(Bitmap result) {
if (result != null) {
// Disk cache was read successfully
LimeLog.info("Image disk cache hit for ("+computer.uuid+", "+appId+")");
view.setImageBitmap(result);
view.setVisibility(View.VISIBLE);
}
else {
LimeLog.info("Image disk cache miss for ("+computer.uuid+", "+appId+")");
LimeLog.info("Requesting: "+"https://" + getCurrentAddress().getHostAddress() + ":47984/appasset?uniqueid=" + uniqueId + "&appid=" +
appId + "&AssetType=2&AssetIdx=0");
// Load the placeholder image
view.setImageResource(defaultImageRes);
view.setVisibility(View.VISIBLE);
// Set SSL contexts correctly to allow us to authenticate
Ion.getDefault(context).getHttpClient().getSSLSocketMiddleware().setTrustManagers(trustAllCerts);
Ion.getDefault(context).getHttpClient().getSSLSocketMiddleware().setSSLContext(sslContext);
// Kick off the deferred image load
synchronized (pendingRequests) {
Future<Bitmap> f = Ion.with(context)
.load("https://" + getCurrentAddress().getHostAddress() + ":47984/appasset?uniqueid=" + uniqueId + "&appid=" +
appId + "&AssetType=2&AssetIdx=0")
.asBitmap()
.setCallback(new FutureCallback<Bitmap>() {
@Override
public void onCompleted(Exception e, Bitmap result) {
synchronized (pendingRequests) {
pendingRequests.remove(view);
}
if (result != null) {
// Make the view visible now
view.setImageBitmap(result);
view.setVisibility(View.VISIBLE);
// Populate the disk cache if we got an image back
populateBitmapCache(computer.uuid, appId, result);
}
else {
// Leave the loading icon as is (probably should change this eventually...)
}
}
});
pendingRequests.put(view, f);
}
}
}
};
}