1 files changed, 97 insertions, 0 deletions
diff --git a/java/com/android/dialer/precall/impl/DuoAction.java b/java/com/android/dialer/precall/impl/DuoAction.java
new file mode 100644
index 000000000..c05fbe12f
--- /dev/null
+++ b/java/com/android/dialer/precall/impl/DuoAction.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dialer.precall.impl;
+
+import android.content.Context;
+import android.content.Intent;
+import com.android.dialer.callintent.CallIntentBuilder;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.Annotations.Ui;
+import com.android.dialer.duo.Duo.ReachabilityData;
+import com.android.dialer.duo.DuoComponent;
+import com.android.dialer.precall.PreCallAction;
+import com.android.dialer.precall.PreCallCoordinator;
+import com.android.dialer.precall.PreCallCoordinator.PendingAction;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import javax.inject.Inject;
+
+/**
+ * Checks if a duo call is actually callable, and request an activity for {@link
+ * android.app.Activity#startActivityForResult(Intent, int)}
+ */
+public class DuoAction implements PreCallAction {
+
+  private final ListeningExecutorService uiExecutor;
+
+  @Inject
+  DuoAction(@Ui ListeningExecutorService uiExecutor) {
+    this.uiExecutor = uiExecutor;
+  }
+
+  @Override
+  public boolean requiresUi(Context context, CallIntentBuilder builder) {
+    // Duo call must be started with startActivityForResult() which needs a activity.
+    return builder.isDuoCall();
+  }
+
+  @Override
+  public void runWithoutUi(Context context, CallIntentBuilder builder) {}
+
+  @Override
+  public void runWithUi(PreCallCoordinator coordinator) {
+    if (!requiresUi(coordinator.getActivity(), coordinator.getBuilder())) {
+      return;
+    }
+    String number = coordinator.getBuilder().getUri().getSchemeSpecificPart();
+    ListenableFuture<ImmutableMap<String, ReachabilityData>> reachabilities =
+        DuoComponent.get(coordinator.getActivity())
+            .getDuo()
+            .updateReachability(coordinator.getActivity(), ImmutableList.of(number));
+    PendingAction pendingAction = coordinator.startPendingAction();
+
+    Futures.addCallback(
+        reachabilities,
+        new FutureCallback<ImmutableMap<String, ReachabilityData>>() {
+          @Override
+          public void onSuccess(ImmutableMap<String, ReachabilityData> result) {
+            if (!result.containsKey(number) || !result.get(number).videoCallable()) {
+              LogUtil.w(
+                  "DuoAction.runWithUi",
+                  number + " number no longer duo reachable, falling back to carrier video call");
+              coordinator.getBuilder().setIsDuoCall(false);
+            }
+            pendingAction.finish();
+          }
+
+          @Override
+          public void onFailure(Throwable throwable) {
+            LogUtil.e("DuoAction.runWithUi", "reachability query failed", throwable);
+            coordinator.getBuilder().setIsDuoCall(false);
+            pendingAction.finish();
+          }
+        },
+        uiExecutor);
+  }
+
+  @Override
+  public void onDiscard() {}
+}