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/*
* 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 com.google.common.base.Preconditions;
import android.net.Uri;
import android.support.annotation.Nullable;
import com.android.contacts.common.compat.CompatUtils;
import com.android.contacts.common.testing.NeededForTesting;
import com.android.incallui.Call;
import com.android.incallui.Call.State;
import com.android.incallui.CallList;
/**
* 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 Boolean mIsDialerRingingEnabledForTesting;
private final InCallTonePlayer mInCallTonePlayer;
private final CallList mCallList;
/**
* 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(InCallTonePlayer inCallTonePlayer, CallList callList) {
mInCallTonePlayer = Preconditions.checkNotNull(inCallTonePlayer);
mCallList = Preconditions.checkNotNull(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;
}
/**
* The incoming callState is never set as {@link State#CALL_WAITING} because
* {@link Call#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() {
if (mIsDialerRingingEnabledForTesting != null) {
return mIsDialerRingingEnabledForTesting;
}
return CompatUtils.isNCompatible() && IS_DIALER_RINGING_ENABLED;
}
/**
* 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();
}
@NeededForTesting
void setDialerRingingEnabledForTesting(boolean status) {
mIsDialerRingingEnabledForTesting = status;
}
}
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