1 files changed, 202 insertions, 0 deletions
diff --git a/java/com/android/incallui/multisim/SwapSimWorker.java b/java/com/android/incallui/multisim/SwapSimWorker.java
new file mode 100644
index 000000000..73c18c442
--- /dev/null
+++ b/java/com/android/incallui/multisim/SwapSimWorker.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2017 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.incallui.multisim;
+
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.annotation.MainThread;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.VisibleForTesting;
+import android.support.annotation.WorkerThread;
+import android.telecom.PhoneAccount;
+import android.telecom.PhoneAccountHandle;
+import android.telecom.TelecomManager;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.DialerExecutor.Worker;
+import com.android.dialer.common.concurrent.ThreadUtil;
+import com.android.dialer.util.PermissionsUtil;
+import com.android.incallui.call.CallList;
+import com.android.incallui.call.DialerCall;
+import com.android.incallui.call.DialerCallListener;
+import com.android.incallui.incalluilock.InCallUiLock;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Hangs up the current call and redial the call using the {@code otherAccount} instead. the in call
+ * ui will be prevented from closing until the process has finished.
+ */
+public class SwapSimWorker implements Worker<Void, Void>, DialerCallListener, CallList.Listener {
+
+  // Timeout waiting for the call to hangup or redial.
+  private static final int DEFAULT_TIMEOUT_MILLIS = 5_000;
+
+  private final Context context;
+  private final DialerCall call;
+  private final CallList callList;
+  private final InCallUiLock inCallUiLock;
+
+  private final CountDownLatch disconnectLatch = new CountDownLatch(1);
+  private final CountDownLatch dialingLatch = new CountDownLatch(1);
+
+  private final PhoneAccountHandle otherAccount;
+  private final String number;
+
+  private final int timeoutMillis;
+
+  private CountDownLatch latchForTest;
+
+  @MainThread
+  public SwapSimWorker(
+      Context context,
+      DialerCall call,
+      CallList callList,
+      PhoneAccountHandle otherAccount,
+      InCallUiLock lock) {
+    this(context, call, callList, otherAccount, lock, DEFAULT_TIMEOUT_MILLIS);
+  }
+
+  @VisibleForTesting
+  SwapSimWorker(
+      Context context,
+      DialerCall call,
+      CallList callList,
+      PhoneAccountHandle otherAccount,
+      InCallUiLock lock,
+      int timeoutMillis) {
+    Assert.isMainThread();
+    this.context = context;
+    this.call = call;
+    this.callList = callList;
+    this.otherAccount = otherAccount;
+    inCallUiLock = lock;
+    this.timeoutMillis = timeoutMillis;
+    number = call.getNumber();
+    call.addListener(this);
+    call.disconnect();
+  }
+
+  @WorkerThread
+  @Nullable
+  @Override
+  @SuppressWarnings("MissingPermission")
+  public Void doInBackground(Void unused) {
+    try {
+      if (!PermissionsUtil.hasPhonePermissions(context)) {
+        LogUtil.e("SwapSimWorker.doInBackground", "missing phone permission");
+        return null;
+      }
+      if (!disconnectLatch.await(timeoutMillis, TimeUnit.MILLISECONDS)) {
+        LogUtil.e("SwapSimWorker.doInBackground", "timeout waiting for call to disconnect");
+        return null;
+      }
+      LogUtil.i("SwapSimWorker.doInBackground", "call disconnected, redialing");
+      TelecomManager telecomManager = context.getSystemService(TelecomManager.class);
+      Bundle extras = new Bundle();
+      extras.putParcelable(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE, otherAccount);
+      callList.addListener(this);
+      telecomManager.placeCall(Uri.fromParts(PhoneAccount.SCHEME_TEL, number, null), extras);
+      if (latchForTest != null) {
+        latchForTest.countDown();
+      }
+      if (!dialingLatch.await(timeoutMillis, TimeUnit.MILLISECONDS)) {
+        LogUtil.e("SwapSimWorker.doInBackground", "timeout waiting for call to dial");
+      }
+      return null;
+    } catch (InterruptedException e) {
+      LogUtil.e("SwapSimWorker.doInBackground", "interrupted", e);
+      Thread.currentThread().interrupt();
+      return null;
+    } finally {
+      ThreadUtil.postOnUiThread(
+          () -> {
+            call.removeListener(this);
+            callList.removeListener(this);
+            inCallUiLock.release();
+          });
+    }
+  }
+
+  @MainThread
+  @Override
+  public void onDialerCallDisconnect() {
+    disconnectLatch.countDown();
+  }
+
+  @Override
+  public void onCallListChange(CallList callList) {
+    if (callList.getOutgoingCall() != null) {
+      dialingLatch.countDown();
+    }
+  }
+
+  @VisibleForTesting
+  void setLatchForTest(CountDownLatch latch) {
+    latchForTest = latch;
+  }
+
+  @Override
+  public void onDialerCallUpdate() {}
+
+  @Override
+  public void onDialerCallChildNumberChange() {}
+
+  @Override
+  public void onDialerCallLastForwardedNumberChange() {}
+
+  @Override
+  public void onDialerCallUpgradeToVideo() {}
+
+  @Override
+  public void onDialerCallSessionModificationStateChange() {}
+
+  @Override
+  public void onWiFiToLteHandover() {}
+
+  @Override
+  public void onHandoverToWifiFailure() {}
+
+  @Override
+  public void onInternationalCallOnWifi() {}
+
+  @Override
+  public void onEnrichedCallSessionUpdate() {}
+
+  @Override
+  public void onIncomingCall(DialerCall call) {}
+
+  @Override
+  public void onUpgradeToVideo(DialerCall call) {}
+
+  @Override
+  public void onSessionModificationStateChange(DialerCall call) {}
+
+  @Override
+  public void onDisconnect(DialerCall call) {}
+
+  @Override
+  public void onWiFiToLteHandover(DialerCall call) {}
+
+  @Override
+  public void onHandoverToWifiFailed(DialerCall call) {}
+
+  @Override
+  public void onInternationalCallOnWifi(@NonNull DialerCall call) {}
+}