1 files changed, 134 insertions, 0 deletions
diff --git a/java/com/android/incallui/ringtone/DialerRingtoneManager.java b/java/com/android/incallui/ringtone/DialerRingtoneManager.java
new file mode 100644
index 000000000..5ebd93378
--- /dev/null
+++ b/java/com/android/incallui/ringtone/DialerRingtoneManager.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2016 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.ringtone;
+
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import com.android.incallui.call.CallList;
+import com.android.incallui.call.DialerCall.State;
+import java.util.Objects;
+
+/**
+ * Class that determines when ringtones should be played and can play the call waiting tone when
+ * necessary.
+ */
+public class DialerRingtoneManager {
+
+  /*
+   * Flag used to determine if the Dialer is responsible for playing ringtones for incoming calls.
+   * Once we're ready to enable Dialer Ringing, these flags should be removed.
+   */
+  private static final boolean IS_DIALER_RINGING_ENABLED = false;
+  private final InCallTonePlayer mInCallTonePlayer;
+  private final CallList mCallList;
+  private Boolean mIsDialerRingingEnabledForTesting;
+
+  /**
+   * Creates the DialerRingtoneManager with the given {@link InCallTonePlayer}.
+   *
+   * @param inCallTonePlayer the tone player used to play in-call tones.
+   * @param callList the CallList used to check for {@link State#CALL_WAITING}
+   * @throws NullPointerException if inCallTonePlayer or callList are null
+   */
+  public DialerRingtoneManager(
+      @NonNull InCallTonePlayer inCallTonePlayer, @NonNull CallList callList) {
+    mInCallTonePlayer = Objects.requireNonNull(inCallTonePlayer);
+    mCallList = Objects.requireNonNull(callList);
+  }
+
+  /**
+   * Determines if a ringtone should be played for the given call state (see {@link State}) and
+   * {@link Uri}.
+   *
+   * @param callState the call state for the call being checked.
+   * @param ringtoneUri the ringtone to potentially play.
+   * @return {@code true} if the ringtone should be played, {@code false} otherwise.
+   */
+  public boolean shouldPlayRingtone(int callState, @Nullable Uri ringtoneUri) {
+    return isDialerRingingEnabled()
+        && translateCallStateForCallWaiting(callState) == State.INCOMING
+        && ringtoneUri != null;
+  }
+
+  /**
+   * Determines if an incoming call should vibrate as well as ring.
+   *
+   * @param resolver {@link ContentResolver} used to look up the {@link
+   *     Settings.System#VIBRATE_WHEN_RINGING} setting.
+   * @return {@code true} if the call should vibrate, {@code false} otherwise.
+   */
+  public boolean shouldVibrate(ContentResolver resolver) {
+    return Settings.System.getInt(resolver, Settings.System.VIBRATE_WHEN_RINGING, 0) != 0;
+  }
+
+  /**
+   * The incoming callState is never set as {@link State#CALL_WAITING} because {@link
+   * DialerCall#translateState(int)} doesn't account for that case, check for it here
+   */
+  private int translateCallStateForCallWaiting(int callState) {
+    if (callState != State.INCOMING) {
+      return callState;
+    }
+    return mCallList.getActiveCall() == null ? State.INCOMING : State.CALL_WAITING;
+  }
+
+  private boolean isDialerRingingEnabled() {
+    boolean enabledFlag =
+        mIsDialerRingingEnabledForTesting != null
+            ? mIsDialerRingingEnabledForTesting
+            : IS_DIALER_RINGING_ENABLED;
+    return VERSION.SDK_INT >= VERSION_CODES.N && enabledFlag;
+  }
+
+  /**
+   * Determines if a call waiting tone should be played for the the given call state (see {@link
+   * State}).
+   *
+   * @param callState the call state for the call being checked.
+   * @return {@code true} if the call waiting tone should be played, {@code false} otherwise.
+   */
+  public boolean shouldPlayCallWaitingTone(int callState) {
+    return isDialerRingingEnabled()
+        && translateCallStateForCallWaiting(callState) == State.CALL_WAITING
+        && !mInCallTonePlayer.isPlayingTone();
+  }
+
+  /** Plays the call waiting tone. */
+  public void playCallWaitingTone() {
+    if (!isDialerRingingEnabled()) {
+      return;
+    }
+    mInCallTonePlayer.play(InCallTonePlayer.TONE_CALL_WAITING);
+  }
+
+  /** Stops playing the call waiting tone. */
+  public void stopCallWaitingTone() {
+    if (!isDialerRingingEnabled()) {
+      return;
+    }
+    mInCallTonePlayer.stop();
+  }
+
+  void setDialerRingingEnabledForTesting(boolean status) {
+    mIsDialerRingingEnabledForTesting = status;
+  }
+}