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/*
* Copyright (C) 2011 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.dialer.voicemail;
import android.app.Activity;
import android.app.Fragment;
import android.content.Context;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.VoicemailContract;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import com.android.common.io.MoreCloseables;
import com.android.dialer.R;
import com.android.dialer.calllog.CallLogAsyncTaskUtil;
import com.google.common.base.Preconditions;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.ScheduledExecutorService;
import javax.annotation.concurrent.GuardedBy;
import javax.annotation.concurrent.NotThreadSafe;
import javax.annotation.concurrent.ThreadSafe;
/**
* Displays and plays a single voicemail. See {@link VoicemailPlaybackPresenter} for
* details on the voicemail playback implementation.
*
* This class is not thread-safe, it is thread-confined. All calls to all public
* methods on this class are expected to come from the main ui thread.
*/
@NotThreadSafe
public class VoicemailPlaybackLayout extends LinearLayout
implements VoicemailPlaybackPresenter.PlaybackView {
private static final String TAG = VoicemailPlaybackLayout.class.getSimpleName();
/**
* Controls the animation of the playback slider.
*/
@ThreadSafe
private final class PositionUpdater implements Runnable {
/** Update rate for the slider, 30fps. */
private static final int SLIDER_UPDATE_PERIOD_MILLIS = 1000 / 30;
private int mDurationMs;
private final ScheduledExecutorService mExecutorService;
private final Object mLock = new Object();
@GuardedBy("mLock") private ScheduledFuture<?> mScheduledFuture;
private Runnable mUpdateClipPositionRunnable = new Runnable() {
@Override
public void run() {
int currentPositionMs = 0;
synchronized (mLock) {
if (mScheduledFuture == null || mPresenter == null) {
// This task has been canceled. Just stop now.
return;
}
currentPositionMs = mPresenter.getMediaPlayerPosition();
}
setClipPosition(currentPositionMs, mDurationMs);
}
};
public PositionUpdater(int durationMs, ScheduledExecutorService executorService) {
mDurationMs = durationMs;
mExecutorService = executorService;
}
@Override
public void run() {
post(mUpdateClipPositionRunnable);
}
public void startUpdating() {
synchronized (mLock) {
cancelPendingRunnables();
mScheduledFuture = mExecutorService.scheduleAtFixedRate(
this, 0, SLIDER_UPDATE_PERIOD_MILLIS, TimeUnit.MILLISECONDS);
}
}
public void stopUpdating() {
synchronized (mLock) {
cancelPendingRunnables();
}
}
private void cancelPendingRunnables() {
if (mScheduledFuture != null) {
mScheduledFuture.cancel(true);
mScheduledFuture = null;
}
removeCallbacks(mUpdateClipPositionRunnable);
}
}
/**
* Handle state changes when the user manipulates the seek bar.
*/
private final OnSeekBarChangeListener mSeekBarChangeListener = new OnSeekBarChangeListener() {
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
if (mPresenter != null) {
mPresenter.pausePlaybackForSeeking();
}
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
if (mPresenter != null) {
mPresenter.resumePlaybackAfterSeeking(seekBar.getProgress());
}
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
setClipPosition(progress, seekBar.getMax());
}
};
/**
* Click listener to toggle speakerphone.
*/
private final View.OnClickListener mSpeakerphoneListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mPresenter != null) {
onSpeakerphoneOn(!mPresenter.isSpeakerphoneOn());
}
}
};
/**
* Click listener to play or pause voicemail playback.
*/
private final View.OnClickListener mStartStopButtonListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
if (mPresenter == null) {
return;
}
if (mIsPlaying) {
mPresenter.pausePlayback();
} else {
mPresenter.resumePlayback();
}
}
};
private final View.OnClickListener mDeleteButtonListener = new View.OnClickListener() {
@Override
public void onClick(View view ) {
if (mPresenter == null) {
return;
}
mPresenter.pausePlayback();
CallLogAsyncTaskUtil.deleteVoicemail(mContext, mVoicemailUri, null);
mPresenter.onVoicemailDeleted();
}
};
private Context mContext;
private VoicemailPlaybackPresenter mPresenter;
private Uri mVoicemailUri;
private boolean mIsPlaying = false;
private SeekBar mPlaybackSeek;
private ImageButton mStartStopButton;
private ImageButton mPlaybackSpeakerphone;
private ImageButton mDeleteButton;
private TextView mStateText;
private TextView mPositionText;
private TextView mTotalDurationText;
private PositionUpdater mPositionUpdater;
public VoicemailPlaybackLayout(Context context) {
this(context, null);
}
public VoicemailPlaybackLayout(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.voicemail_playback_layout, this);
}
@Override
public void setPresenter(VoicemailPlaybackPresenter presenter, Uri voicemailUri) {
mPresenter = presenter;
mVoicemailUri = voicemailUri;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mPlaybackSeek = (SeekBar) findViewById(R.id.playback_seek);
mStartStopButton = (ImageButton) findViewById(R.id.playback_start_stop);
mPlaybackSpeakerphone = (ImageButton) findViewById(R.id.playback_speakerphone);
mDeleteButton = (ImageButton) findViewById(R.id.delete_voicemail);
mStateText = (TextView) findViewById(R.id.playback_state_text);
mPositionText = (TextView) findViewById(R.id.playback_position_text);
mTotalDurationText = (TextView) findViewById(R.id.total_duration_text);
mPlaybackSeek.setOnSeekBarChangeListener(mSeekBarChangeListener);
mStartStopButton.setOnClickListener(mStartStopButtonListener);
mPlaybackSpeakerphone.setOnClickListener(mSpeakerphoneListener);
mDeleteButton.setOnClickListener(mDeleteButtonListener);
mPositionText.setText(formatAsMinutesAndSeconds(0));
mPositionText.setVisibility(View.INVISIBLE);
mTotalDurationText.setText(formatAsMinutesAndSeconds(0));
mTotalDurationText.setVisibility(View.INVISIBLE);
}
@Override
public void onPlaybackStarted(int duration, ScheduledExecutorService executorService) {
mIsPlaying = true;
mStartStopButton.setImageResource(R.drawable.ic_pause);
if (mPresenter != null) {
onSpeakerphoneOn(mPresenter.isSpeakerphoneOn());
}
if (mPositionUpdater != null) {
mPositionUpdater.stopUpdating();
mPositionUpdater = null;
}
mPositionUpdater = new PositionUpdater(duration, executorService);
mPositionUpdater.startUpdating();
}
@Override
public void onPlaybackStopped() {
mIsPlaying = false;
mStartStopButton.setImageResource(R.drawable.ic_play_arrow);
if (mPositionUpdater != null) {
mPositionUpdater.stopUpdating();
mPositionUpdater = null;
}
}
@Override
public void onPlaybackError() {
if (mPositionUpdater != null) {
mPositionUpdater.stopUpdating();
}
disableUiElements();
mStateText.setText(getString(R.string.voicemail_playback_error));
}
public void onSpeakerphoneOn(boolean on) {
if (mPresenter != null) {
mPresenter.setSpeakerphoneOn(on);
}
if (on) {
mPlaybackSpeakerphone.setImageResource(R.drawable.ic_volume_up_24dp);
// Speaker is now on, tapping button will turn it off.
mPlaybackSpeakerphone.setContentDescription(
mContext.getString(R.string.voicemail_speaker_off));
} else {
mPlaybackSpeakerphone.setImageResource(R.drawable.ic_volume_down_24dp);
// Speaker is now off, tapping button will turn it on.
mPlaybackSpeakerphone.setContentDescription(
mContext.getString(R.string.voicemail_speaker_on));
}
}
@Override
public void setClipPosition(int positionMs, int durationMs) {
int seekBarPositionMs = Math.max(0, positionMs);
int seekBarMax = Math.max(seekBarPositionMs, durationMs);
if (mPlaybackSeek.getMax() != seekBarMax) {
mPlaybackSeek.setMax(seekBarMax);
}
mPlaybackSeek.setProgress(seekBarPositionMs);
mPositionText.setText(formatAsMinutesAndSeconds(seekBarPositionMs));
mTotalDurationText.setText(formatAsMinutesAndSeconds(durationMs));
mStateText.setText(null);
}
@Override
public void setIsBuffering() {
disableUiElements();
mStateText.setText(getString(R.string.voicemail_buffering));
}
@Override
public void setIsFetchingContent() {
disableUiElements();
mStateText.setText(getString(R.string.voicemail_fetching_content));
}
@Override
public void setFetchContentTimeout() {
disableUiElements();
mStateText.setText(getString(R.string.voicemail_fetching_timout));
}
@Override
public int getDesiredClipPosition() {
return mPlaybackSeek.getProgress();
}
@Override
public void disableUiElements() {
mStartStopButton.setEnabled(false);
mPlaybackSpeakerphone.setEnabled(false);
mPlaybackSeek.setProgress(0);
mPlaybackSeek.setEnabled(false);
mPositionText.setText(formatAsMinutesAndSeconds(0));
mTotalDurationText.setText(formatAsMinutesAndSeconds(0));
}
@Override
public void enableUiElements() {
mStartStopButton.setEnabled(true);
mPlaybackSpeakerphone.setEnabled(true);
mPlaybackSeek.setEnabled(true);
mPositionText.setVisibility(View.VISIBLE);
mTotalDurationText.setVisibility(View.VISIBLE);
}
private String getString(int resId) {
return mContext.getString(resId);
}
/**
* Formats a number of milliseconds as something that looks like {@code 00:05}.
* <p>
* We always use four digits, two for minutes two for seconds. In the very unlikely event
* that the voicemail duration exceeds 99 minutes, the display is capped at 99 minutes.
*/
private String formatAsMinutesAndSeconds(int millis) {
int seconds = millis / 1000;
int minutes = seconds / 60;
seconds -= minutes * 60;
if (minutes > 99) {
minutes = 99;
}
return String.format("%02d:%02d", minutes, seconds);
}
}
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