diff options
Diffstat (limited to 'InCallUI/src/com/android/incallui/ringtone/InCallTonePlayer.java')
| -rw-r--r-- | InCallUI/src/com/android/incallui/ringtone/InCallTonePlayer.java | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/InCallUI/src/com/android/incallui/ringtone/InCallTonePlayer.java b/InCallUI/src/com/android/incallui/ringtone/InCallTonePlayer.java deleted file mode 100644 index 3a8b03d91..000000000 --- a/InCallUI/src/com/android/incallui/ringtone/InCallTonePlayer.java +++ /dev/null @@ -1,168 +0,0 @@ -/* - * 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.MoreObjects; -import com.google.common.base.Preconditions; - -import android.media.AudioManager; -import android.media.ToneGenerator; -import android.support.annotation.Nullable; - -import com.android.incallui.Log; -import com.android.incallui.async.PausableExecutor; - -import java.util.concurrent.CountDownLatch; -import java.util.concurrent.TimeUnit; - -/** - * Class responsible for playing in-call related tones in a background thread. This class only - * allows one tone to be played at a time. - */ -public class InCallTonePlayer { - - public static final int TONE_CALL_WAITING = 4; - - public static final int VOLUME_RELATIVE_HIGH_PRIORITY = 80; - - private final ToneGeneratorFactory mToneGeneratorFactory; - private final PausableExecutor mExecutor; - private @Nullable CountDownLatch mNumPlayingTones; - - /** - * Creates a new InCallTonePlayer. - * - * @param toneGeneratorFactory the {@link ToneGeneratorFactory} used to create - * {@link ToneGenerator}s. - * @param executor the {@link PausableExecutor} used to play tones in a background thread. - * @throws NullPointerException if audioModeProvider, toneGeneratorFactory, or executor are - * {@code null}. - */ - public InCallTonePlayer(ToneGeneratorFactory toneGeneratorFactory, PausableExecutor executor) { - mToneGeneratorFactory = Preconditions.checkNotNull(toneGeneratorFactory); - mExecutor = Preconditions.checkNotNull(executor); - } - - /** - * @return {@code true} if a tone is currently playing, {@code false} otherwise. - */ - public boolean isPlayingTone() { - return mNumPlayingTones != null && mNumPlayingTones.getCount() > 0; - } - - /** - * Plays the given tone in a background thread. - * - * @param tone the tone to play. - * @throws IllegalStateException if a tone is already playing. - * @throws IllegalArgumentException if the tone is invalid. - */ - public void play(int tone) { - if (isPlayingTone()) { - throw new IllegalStateException("Tone already playing"); - } - final ToneGeneratorInfo info = getToneGeneratorInfo(tone); - mNumPlayingTones = new CountDownLatch(1); - mExecutor.execute(new Runnable() { - @Override - public void run() { - playOnBackgroundThread(info); - } - }); - } - - private ToneGeneratorInfo getToneGeneratorInfo(int tone) { - switch (tone) { - case TONE_CALL_WAITING: - /* - * Call waiting tones play until they're stopped either by the user accepting or - * declining the call so the tone length is set at what's effectively forever. The - * tone is played at a high priority volume and through STREAM_VOICE_CALL since it's - * call related and using that stream will route it through bluetooth devices - * appropriately. - */ - return new ToneGeneratorInfo(ToneGenerator.TONE_SUP_CALL_WAITING, - VOLUME_RELATIVE_HIGH_PRIORITY, - Integer.MAX_VALUE, - AudioManager.STREAM_VOICE_CALL); - default: - throw new IllegalArgumentException("Bad tone: " + tone); - } - } - - private void playOnBackgroundThread(ToneGeneratorInfo info) { - ToneGenerator toneGenerator = null; - try { - Log.v(this, "Starting tone " + info); - toneGenerator = mToneGeneratorFactory.newInCallToneGenerator(info.stream, info.volume); - toneGenerator.startTone(info.tone); - /* - * During tests, this will block until the tests call mExecutor.ackMilestone. This call - * allows for synchronization to the point where the tone has started playing. - */ - mExecutor.milestone(); - if (mNumPlayingTones != null) { - mNumPlayingTones.await(info.toneLengthMillis, TimeUnit.MILLISECONDS); - // Allows for synchronization to the point where the tone has completed playing. - mExecutor.milestone(); - } - } catch (InterruptedException e) { - Log.w(this, "Interrupted while playing in-call tone."); - } finally { - if (toneGenerator != null) { - toneGenerator.release(); - } - if (mNumPlayingTones != null) { - mNumPlayingTones.countDown(); - } - // Allows for synchronization to the point where this background thread has cleaned up. - mExecutor.milestone(); - } - } - - /** - * Stops playback of the current tone. - */ - public void stop() { - if (mNumPlayingTones != null) { - mNumPlayingTones.countDown(); - } - } - - private static class ToneGeneratorInfo { - public final int tone; - public final int volume; - public final int toneLengthMillis; - public final int stream; - - public ToneGeneratorInfo(int toneGeneratorType, int volume, int toneLengthMillis, - int stream) { - this.tone = toneGeneratorType; - this.volume = volume; - this.toneLengthMillis = toneLengthMillis; - this.stream = stream; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(this) - .add("tone", tone) - .add("volume", volume) - .add("toneLengthMillis", toneLengthMillis).toString(); - } - } -} |