Add new app view UI

app/src/main/java/com/limelight/grid/AppGridAdapter.java

@@ -0,0 +1,155 @@
+package com.limelight.grid;
+
+import android.content.Context;
+import android.util.Log;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.koushikdutta.async.future.FutureCallback;
+import com.koushikdutta.ion.Ion;
+import com.limelight.AppView;
+import com.limelight.R;
+import com.limelight.binding.PlatformBinding;
+import com.limelight.nvstream.http.LimelightCryptoProvider;
+
+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.HashMap;
+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 InetAddress address;
+    private String uniqueId;
+    private LimelightCryptoProvider cryptoProvider;
+    private SSLContext sslContext;
+    private HashMap<ImageView, Future> pendingRequests = new HashMap<ImageView, Future>();
+
+    public AppGridAdapter(Context context, InetAddress address, String uniqueId) throws NoSuchAlgorithmException, KeyManagementException {
+        super(context, R.layout.app_grid_item, R.drawable.image_loading);
+
+        this.address = address;
+        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; }
+    };
+
+    public void addApp(AppView.AppObject app) {
+        itemList.add(app);
+    }
+
+    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()) {
+            f.cancel(true);
+        }
+
+        synchronized (pendingRequests) {
+            // Remove cancelled requests
+            for (ImageView v : tempMap.keySet()) {
+                pendingRequests.remove(v);
+            }
+        }
+    }
+
+    @Override
+    public boolean populateImageView(final ImageView imgView, AppView.AppObject obj) {
+
+        // Set SSL contexts correctly to allow us to authenticate
+        Ion.getDefault(imgView.getContext()).getHttpClient().getSSLSocketMiddleware().setTrustManagers(trustAllCerts);
+        Ion.getDefault(imgView.getContext()).getHttpClient().getSSLSocketMiddleware().setSSLContext(sslContext);
+
+        // Set off the deferred image load
+        synchronized (pendingRequests) {
+            Future f = Ion.with(imgView)
+                    .placeholder(defaultImageRes)
+                    .error(defaultImageRes)
+                    .load("https://" + address.getHostAddress() + ":47984/appasset?uniqueid=" + uniqueId + "&appid=" +
+                            obj.app.getAppId() + "&AssetType=2&AssetIdx=0")
+                    .setCallback(new FutureCallback<ImageView>() {
+                        @Override
+                        public void onCompleted(Exception e, ImageView result) {
+                            synchronized (pendingRequests) {
+                                pendingRequests.remove(imgView);
+                            }
+                        }
+                    });
+            pendingRequests.put(imgView, f);
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean populateTextView(TextView txtView, AppView.AppObject obj) {
+        // Return false to use the app's toString method
+        return false;
+    }
+}