Add video call not available dialog.

When telecom disconnect the video call with the code of DisconnectCause.ERROR and the DisconnectCause#getReason() of "IMS_ACCESS_BLOCKED", we should show an error dialog to user indicating that video call is not available and providing a option to make a voice call instead.

Screenshots:
https://screenshot.googleplex.com/YTUGVouoLmj
Bug: 33821263
Test: manual, VideoCallNotAvailablePromptTest
PiperOrigin-RevId: 160563754
Change-Id: Ie2eb735a92c577b5ae5a5e8b7efa2d699fc964bc

7 files changed, 351 insertions, 0 deletions

diff --git a/java/com/android/incallui/disconnectdialog/AndroidManifest.xml b/java/com/android/incallui/disconnectdialog/AndroidManifest.xml
new file mode 100644
index 000000000..eec9807d8
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/AndroidManifest.xml
@@ -0,0 +1,19 @@
+<!--
+  ~ 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
+  -->
+
+<manifest
+  package="com.android.incallui.disconnectdialog">
+</manifest>
diff --git a/java/com/android/incallui/disconnectdialog/DefaultErrorDialog.java b/java/com/android/incallui/disconnectdialog/DefaultErrorDialog.java
new file mode 100644
index 000000000..2ce238718
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/DefaultErrorDialog.java
@@ -0,0 +1,50 @@
+/*
+ * 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.support.annotation.NonNull;
+import android.telecom.DisconnectCause;
+import android.text.TextUtils;
+import android.util.Pair;
+import com.android.incallui.call.DialerCall;
+
+/** Default error dialog shown to user after disconnect. */
+public class DefaultErrorDialog implements DisconnectDialog {
+
+  @Override
+  public boolean shouldShow(DisconnectCause disconnectCause) {
+    return !TextUtils.isEmpty(disconnectCause.getDescription())
+        && (disconnectCause.getCode() == DisconnectCause.ERROR
+            || disconnectCause.getCode() == DisconnectCause.RESTRICTED);
+  }
+
+  @Override
+  public Pair<Dialog, CharSequence> createDialog(@NonNull Context context, DialerCall call) {
+    DisconnectCause disconnectCause = call.getDisconnectCause();
+    CharSequence message = disconnectCause.getDescription();
+
+    Dialog dialog =
+        new AlertDialog.Builder(context)
+            .setMessage(message)
+            .setPositiveButton(android.R.string.cancel, null)
+            .create();
+    return new Pair<>(dialog, message);
+  }
+}
diff --git a/java/com/android/incallui/disconnectdialog/DisconnectDialog.java b/java/com/android/incallui/disconnectdialog/DisconnectDialog.java
new file mode 100644
index 000000000..0b2b8cc8f
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/DisconnectDialog.java
@@ -0,0 +1,32 @@
+/*
+ * 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.Dialog;
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.telecom.DisconnectCause;
+import android.util.Pair;
+import com.android.incallui.call.DialerCall;
+
+/** Interface for disconnect dialog. */
+public interface DisconnectDialog {
+
+  boolean shouldShow(DisconnectCause disconnectCause);
+
+  Pair<Dialog, CharSequence> createDialog(@NonNull Context context, DialerCall call);
+}
diff --git a/java/com/android/incallui/disconnectdialog/DisconnectMessage.java b/java/com/android/incallui/disconnectdialog/DisconnectMessage.java
new file mode 100644
index 000000000..97d58f27c
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/DisconnectMessage.java
@@ -0,0 +1,66 @@
+/*
+ * 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.Dialog;
+import android.content.Context;
+import android.telecom.DisconnectCause;
+import android.util.Pair;
+import com.android.incallui.call.DialerCall;
+import java.util.Locale;
+
+/**
+ * Wrapper class around @Code{android.telecom.DisconnectCause} to provide more information to user.
+ */
+public class DisconnectMessage {
+
+  // Disconnect dialog catalog. Default error dialog MUST be last one.
+  private static final DisconnectDialog[] DISCONNECT_DIALOGS =
+      new DisconnectDialog[] {
+        new EnableWifiCallingPrompt(), new VideoCallNotAvailablePrompt(), new DefaultErrorDialog()
+      };
+
+  public final Dialog dialog;
+  public final CharSequence toastMessage;
+  private final DisconnectCause cause;
+
+  public DisconnectMessage(Context context, DialerCall call) {
+    cause = call.getDisconnectCause();
+
+    for (DisconnectDialog disconnectDialog : DISCONNECT_DIALOGS) {
+      if (disconnectDialog.shouldShow(cause)) {
+        Pair<Dialog, CharSequence> pair = disconnectDialog.createDialog(context, call);
+        dialog = pair.first;
+        toastMessage = pair.second;
+        return;
+      }
+    }
+    dialog = null;
+    toastMessage = null;
+  }
+
+  @Override
+  public String toString() {
+    return String.format(
+        Locale.ENGLISH,
+        "DisconnectMessage {code: %d, description: %s, reason: %s, message: %s}",
+        cause.getCode(),
+        cause.getDescription(),
+        cause.getReason(),
+        toastMessage);
+  }
+}
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));
+  }
+}
diff --git a/java/com/android/incallui/disconnectdialog/VideoCallNotAvailablePrompt.java b/java/com/android/incallui/disconnectdialog/VideoCallNotAvailablePrompt.java
new file mode 100644
index 000000000..34db976b2
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/VideoCallNotAvailablePrompt.java
@@ -0,0 +1,77 @@
+/*
+ * 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.Intent;
+import android.support.annotation.NonNull;
+import android.telecom.DisconnectCause;
+import android.telecom.PhoneAccountHandle;
+import android.util.Pair;
+import com.android.dialer.callintent.CallInitiationType;
+import com.android.dialer.callintent.CallIntentBuilder;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.util.DialerUtils;
+import com.android.incallui.call.DialerCall;
+
+/** Prompt user to make voice call if video call is not currently available. */
+public class VideoCallNotAvailablePrompt implements DisconnectDialog {
+
+  private static final String REASON_IMS_ACCESS_BLOCKED = "IMS_ACCESS_BLOCKED";
+
+  @Override
+  public boolean shouldShow(DisconnectCause disconnectCause) {
+    if (disconnectCause.getCode() == DisconnectCause.ERROR
+        && REASON_IMS_ACCESS_BLOCKED.equals(disconnectCause.getReason())) {
+      LogUtil.i(
+          "VideoCallNotAvailablePrompt.shouldShowPrompt",
+          "showing prompt for disconnect cause: %s",
+          disconnectCause.getReason());
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  @Override
+  public Pair<Dialog, CharSequence> createDialog(@NonNull Context context, DialerCall call) {
+    CharSequence title = context.getString(R.string.video_call_not_available_title);
+
+    Dialog dialog =
+        new AlertDialog.Builder(context)
+            .setTitle(title)
+            .setMessage(context.getString(R.string.video_call_not_available_message))
+            .setPositiveButton(
+                R.string.voice_call,
+                (dialog1, which) ->
+                    makeVoiceCall(context, call.getNumber(), call.getAccountHandle()))
+            .setNegativeButton(android.R.string.cancel, null)
+            .create();
+    return new Pair<>(dialog, title);
+  }
+
+  private void makeVoiceCall(Context context, String number, PhoneAccountHandle accountHandle) {
+    LogUtil.enterBlock("VideoCallNotAvailablePrompt.makeVoiceCall");
+    Intent intent =
+        new CallIntentBuilder(number, CallInitiationType.Type.IMS_VIDEO_BLOCKED_FALLBACK_TO_VOICE)
+            .setPhoneAccountHandle(accountHandle)
+            .build();
+    DialerUtils.startActivityWithErrorToast(context, intent);
+  }
+}
diff --git a/java/com/android/incallui/disconnectdialog/res/values/strings.xml b/java/com/android/incallui/disconnectdialog/res/values/strings.xml
new file mode 100644
index 000000000..91389db76
--- /dev/null
+++ b/java/com/android/incallui/disconnectdialog/res/values/strings.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+  <!-- Button to enable Wi-Fi calling. This is displayed in a dialog after a phone call disconnects
+      because there is no cellular service.
+      [CHAR LIMIT=20] -->
+  <string name="incall_enable_wifi_calling_button">Enable</string>
+
+  <!-- Title of alert dialog displayed when video call is not available. [CHAR LIMIT=NONE] -->
+  <string name="video_call_not_available_title">Video calling is currently not available</string>
+  <!-- Message of alert dialog displayed when video call is not available. [CHAR LIMIT=NONE] -->
+  <string name="video_call_not_available_message">Try calling again later or continue the call as a voice call.</string>
+  <!-- Voice call button label of alert dialog displayed when video call is not available. [CHAR LIMIT=20] -->
+  <string name="voice_call">Voice call</string>
+
+</resources>