1 files changed, 75 insertions, 0 deletions
diff --git a/java/com/android/incallui/disconnectdialog/EnableWifiCallingPrompt.java b/java/com/android/incallui/disconnectdialog/EnableWifiCallingPrompt.java
new file mode 100644
index 000000000..da0c9d6be
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/EnableWifiCallingPrompt.java
@@ -0,0 +1,75 @@
+/*
+ * 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.disconnectdialog;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface.OnClickListener;
+import android.content.Intent;
+import android.support.annotation.NonNull;
+import android.telecom.DisconnectCause;
+import android.util.Pair;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.incallui.call.DialerCall;
+
+/** Prompts the user to enable Wi-Fi calling. */
+public class EnableWifiCallingPrompt implements DisconnectDialog {
+  // This is a hidden constant in android.telecom.DisconnectCause. Telecom sets this as a disconnect
+  // reason if it wants us to prompt the user to enable Wi-Fi calling. In Android-O we might
+  // consider using a more explicit way to signal this.
+  private static final String REASON_WIFI_ON_BUT_WFC_OFF = "REASON_WIFI_ON_BUT_WFC_OFF";
+  private static final String ACTION_WIFI_CALLING_SETTINGS =
+      "android.settings.WIFI_CALLING_SETTINGS";
+  private static final String ANDROID_SETTINGS_PACKAGE = "com.android.settings";
+
+  @Override
+  public boolean shouldShow(DisconnectCause disconnectCause) {
+    String reason = disconnectCause.getReason();
+    if (reason.startsWith(REASON_WIFI_ON_BUT_WFC_OFF)) {
+      LogUtil.i(
+          "EnableWifiCallingPrompt.shouldShowPrompt",
+          "showing prompt for disconnect cause: %s",
+          reason);
+      return true;
+    }
+    return false;
+  }
+
+  @Override
+  public Pair<Dialog, CharSequence> createDialog(final @NonNull Context context, DialerCall call) {
+    Assert.isNotNull(context);
+    DisconnectCause cause = call.getDisconnectCause();
+    CharSequence message = cause.getDescription();
+    Dialog dialog =
+        new AlertDialog.Builder(context)
+            .setMessage(message)
+            .setPositiveButton(
+                R.string.incall_enable_wifi_calling_button,
+                (OnClickListener) (dialog1, which) -> openWifiCallingSettings(context))
+            .setNegativeButton(android.R.string.cancel, null)
+            .create();
+    return new Pair<>(dialog, message);
+  }
+
+  private static void openWifiCallingSettings(@NonNull Context context) {
+    LogUtil.i("EnableWifiCallingPrompt.openWifiCallingSettings", "opening settings");
+    context.startActivity(
+        new Intent(ACTION_WIFI_CALLING_SETTINGS).setPackage(ANDROID_SETTINGS_PACKAGE));
+  }
+}