1 files changed, 110 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/settings/VoicemailRingtonePreference.java b/java/com/android/voicemail/impl/settings/VoicemailRingtonePreference.java
new file mode 100644
index 000000000..22c729c60
--- /dev/null
+++ b/java/com/android/voicemail/impl/settings/VoicemailRingtonePreference.java
@@ -0,0 +1,110 @@
+/*
+ * 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.voicemail.impl.settings;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.net.Uri;
+import android.os.Build.VERSION_CODES;
+import android.os.Handler;
+import android.os.Message;
+import android.preference.RingtonePreference;
+import android.telecom.PhoneAccountHandle;
+import android.telephony.TelephonyManager;
+import android.util.AttributeSet;
+import com.android.dialer.common.Assert;
+import com.android.dialer.util.SettingsUtil;
+
+/**
+ * Looks up the voicemail ringtone's name asynchronously and updates the preference's summary when
+ * it is created or updated.
+ */
+@TargetApi(VERSION_CODES.O)
+public class VoicemailRingtonePreference extends RingtonePreference {
+
+  /** Callback when the ringtone name has been fetched. */
+  public interface VoicemailRingtoneNameChangeListener {
+    void onVoicemailRingtoneNameChanged(CharSequence name);
+  }
+
+  private static final int MSG_UPDATE_VOICEMAIL_RINGTONE_SUMMARY = 1;
+
+  private PhoneAccountHandle phoneAccountHandle;
+  private final TelephonyManager telephonyManager;
+
+  private VoicemailRingtoneNameChangeListener mVoicemailRingtoneNameChangeListener;
+  private Runnable mVoicemailRingtoneLookupRunnable;
+  private final Handler mVoicemailRingtoneLookupComplete =
+      new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+          switch (msg.what) {
+            case MSG_UPDATE_VOICEMAIL_RINGTONE_SUMMARY:
+              if (mVoicemailRingtoneNameChangeListener != null) {
+                mVoicemailRingtoneNameChangeListener.onVoicemailRingtoneNameChanged(
+                    (CharSequence) msg.obj);
+              }
+              setSummary((CharSequence) msg.obj);
+              break;
+            default:
+              Assert.fail();
+          }
+        }
+      };
+
+  public VoicemailRingtonePreference(Context context, AttributeSet attrs) {
+    super(context, attrs);
+    telephonyManager = context.getSystemService(TelephonyManager.class);
+  }
+
+  public void init(PhoneAccountHandle phoneAccountHandle, CharSequence oldRingtoneName) {
+    this.phoneAccountHandle = phoneAccountHandle;
+    setSummary(oldRingtoneName);
+    mVoicemailRingtoneLookupRunnable =
+        new Runnable() {
+          @Override
+          public void run() {
+            SettingsUtil.getRingtoneName(
+                getContext(),
+                mVoicemailRingtoneLookupComplete,
+                telephonyManager.getVoicemailRingtoneUri(phoneAccountHandle),
+                MSG_UPDATE_VOICEMAIL_RINGTONE_SUMMARY);
+          }
+        };
+
+    updateRingtoneName();
+  }
+
+  public void setVoicemailRingtoneNameChangeListener(VoicemailRingtoneNameChangeListener l) {
+    mVoicemailRingtoneNameChangeListener = l;
+  }
+
+  @Override
+  protected Uri onRestoreRingtone() {
+    return telephonyManager.getVoicemailRingtoneUri(phoneAccountHandle);
+  }
+
+  @Override
+  protected void onSaveRingtone(Uri ringtoneUri) {
+    telephonyManager.setVoicemailRingtoneUri(phoneAccountHandle, ringtoneUri);
+    updateRingtoneName();
+  }
+
+  private void updateRingtoneName() {
+    new Thread(mVoicemailRingtoneLookupRunnable).start();
+  }
+}