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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.app.voicemail;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.database.Cursor;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.Handler;
import android.os.PowerManager;
import android.provider.CallLog;
import android.provider.VoicemailContract;
import android.provider.VoicemailContract.Voicemails;
import android.support.annotation.MainThread;
import android.support.annotation.Nullable;
import android.support.annotation.VisibleForTesting;
import android.support.v4.content.FileProvider;
import android.text.TextUtils;
import android.util.Pair;
import android.view.View;
import android.view.WindowManager.LayoutParams;
import android.webkit.MimeTypeMap;
import com.android.common.io.MoreCloseables;
import com.android.dialer.app.R;
import com.android.dialer.app.calllog.CallLogListItemViewHolder;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.common.concurrent.AsyncTaskExecutor;
import com.android.dialer.common.concurrent.AsyncTaskExecutors;
import com.android.dialer.common.concurrent.DialerExecutor;
import com.android.dialer.common.concurrent.DialerExecutorComponent;
import com.android.dialer.configprovider.ConfigProviderComponent;
import com.android.dialer.constants.Constants;
import com.android.dialer.logging.DialerImpression;
import com.android.dialer.logging.Logger;
import com.android.dialer.phonenumbercache.CallLogQuery;
import com.android.dialer.strictmode.StrictModeUtils;
import com.android.dialer.telecom.TelecomUtil;
import com.android.dialer.util.PermissionsUtil;
import com.google.common.io.ByteStreams;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.concurrent.Executors;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.concurrent.NotThreadSafe;
import javax.annotation.concurrent.ThreadSafe;
/**
* Contains the controlling logic for a voicemail playback in the call log. It is closely coupled to
* assumptions about the behaviors and lifecycle of the call log, in particular in the {@link
* CallLogFragment} and {@link CallLogAdapter}.
*
* <p>This controls a single {@link com.android.dialer.app.voicemail.VoicemailPlaybackLayout}. A
* single instance can be reused for different such layouts, using {@link #setPlaybackView}. This is
* to facilitate reuse across different voicemail call log entries.
*
* <p>This class is not thread safe. The thread policy for this class is thread-confinement, all
* calls into this class from outside must be done from the main UI thread.
*/
@NotThreadSafe
@TargetApi(VERSION_CODES.N)
public class VoicemailPlaybackPresenter
implements MediaPlayer.OnPreparedListener,
MediaPlayer.OnCompletionListener,
MediaPlayer.OnErrorListener {
public static final int PLAYBACK_REQUEST = 0;
private static final int NUMBER_OF_THREADS_IN_POOL = 2;
// Time to wait for content to be fetched before timing out.
private static final long FETCH_CONTENT_TIMEOUT_MS = 20000;
private static final String VOICEMAIL_URI_KEY =
VoicemailPlaybackPresenter.class.getName() + ".VOICEMAIL_URI";
private static final String IS_PREPARED_KEY =
VoicemailPlaybackPresenter.class.getName() + ".IS_PREPARED";
// If present in the saved instance bundle, we should not resume playback on create.
private static final String IS_PLAYING_STATE_KEY =
VoicemailPlaybackPresenter.class.getName() + ".IS_PLAYING_STATE_KEY";
// If present in the saved instance bundle, indicates where to set the playback slider.
private static final String CLIP_POSITION_KEY =
VoicemailPlaybackPresenter.class.getName() + ".CLIP_POSITION_KEY";
private static final String IS_SPEAKERPHONE_ON_KEY =
VoicemailPlaybackPresenter.class.getName() + ".IS_SPEAKER_PHONE_ON";
private static final String VOICEMAIL_SHARE_FILE_NAME_DATE_FORMAT = "MM-dd-yy_hhmmaa";
private static final String CONFIG_SHARE_VOICEMAIL_ALLOWED = "share_voicemail_allowed";
private static VoicemailPlaybackPresenter instance;
private static ScheduledExecutorService scheduledExecutorService;
/**
* The most recently cached duration. We cache this since we don't want to keep requesting it from
* the player, as this can easily lead to throwing {@link IllegalStateException} (any time the
* player is released, it's illegal to ask for the duration).
*/
private final AtomicInteger duration = new AtomicInteger(0);
protected Context context;
private long rowId;
protected Uri voicemailUri;
protected MediaPlayer mediaPlayer;
// Used to run async tasks that need to interact with the UI.
protected AsyncTaskExecutor asyncTaskExecutor;
private Activity activity;
private PlaybackView view;
private int position;
private boolean isPlaying;
// MediaPlayer crashes on some method calls if not prepared but does not have a method which
// exposes its prepared state. Store this locally, so we can check and prevent crashes.
private boolean isPrepared;
private boolean isSpeakerphoneOn;
private boolean shouldResumePlaybackAfterSeeking;
/**
* Used to handle the result of a successful or time-out fetch result.
*
* <p>This variable is thread-contained, accessed only on the ui thread.
*/
private FetchResultHandler fetchResultHandler;
private PowerManager.WakeLock proximityWakeLock;
private VoicemailAudioManager voicemailAudioManager;
private OnVoicemailDeletedListener onVoicemailDeletedListener;
private View shareVoicemailButtonView;
private DialerExecutor<Pair<Context, Uri>> shareVoicemailExecutor;
/** Initialize variables which are activity-independent and state-independent. */
protected VoicemailPlaybackPresenter(Activity activity) {
Context context = activity.getApplicationContext();
asyncTaskExecutor = AsyncTaskExecutors.createAsyncTaskExecutor();
voicemailAudioManager = new VoicemailAudioManager(context, this);
PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (powerManager.isWakeLockLevelSupported(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK)) {
proximityWakeLock =
powerManager.newWakeLock(
PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, "VoicemailPlaybackPresenter");
}
}
/**
* Obtain singleton instance of this class. Use a single instance to provide a consistent listener
* to the AudioManager when requesting and abandoning audio focus.
*
* <p>Otherwise, after rotation the previous listener will still be active but a new listener will
* be provided to calls to the AudioManager, which is bad. For example, abandoning audio focus
* with the new listeners results in an AUDIO_FOCUS_GAIN callback to the previous listener, which
* is the opposite of the intended behavior.
*/
@MainThread
public static VoicemailPlaybackPresenter getInstance(
Activity activity, Bundle savedInstanceState) {
if (instance == null) {
instance = new VoicemailPlaybackPresenter(activity);
}
instance.init(activity, savedInstanceState);
return instance;
}
private static synchronized ScheduledExecutorService getScheduledExecutorServiceInstance() {
if (scheduledExecutorService == null) {
scheduledExecutorService = Executors.newScheduledThreadPool(NUMBER_OF_THREADS_IN_POOL);
}
return scheduledExecutorService;
}
/** Update variables which are activity-dependent or state-dependent. */
@MainThread
protected void init(Activity activity, Bundle savedInstanceState) {
Assert.isMainThread();
this.activity = activity;
context = activity;
if (savedInstanceState != null) {
// Restores playback state when activity is recreated, such as after rotation.
voicemailUri = savedInstanceState.getParcelable(VOICEMAIL_URI_KEY);
isPrepared = savedInstanceState.getBoolean(IS_PREPARED_KEY);
position = savedInstanceState.getInt(CLIP_POSITION_KEY, 0);
isPlaying = savedInstanceState.getBoolean(IS_PLAYING_STATE_KEY, false);
isSpeakerphoneOn = savedInstanceState.getBoolean(IS_SPEAKERPHONE_ON_KEY, false);
AudioManager audioManager = activity.getSystemService(AudioManager.class);
audioManager.setSpeakerphoneOn(isSpeakerphoneOn);
}
if (mediaPlayer == null) {
isPrepared = false;
isPlaying = false;
}
if (this.activity != null) {
if (isPlaying()) {
this.activity.getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
} else {
this.activity.getWindow().clearFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
}
shareVoicemailExecutor =
DialerExecutorComponent.get(context)
.dialerExecutorFactory()
.createUiTaskBuilder(
this.activity.getFragmentManager(), "shareVoicemail", new ShareVoicemailWorker())
.onSuccess(
output -> {
if (output == null) {
LogUtil.e("VoicemailAsyncTaskUtil.shareVoicemail", "failed to get voicemail");
return;
}
context.startActivity(
Intent.createChooser(
getShareIntent(context, output.first, output.second),
context
.getResources()
.getText(R.string.call_log_action_share_voicemail)));
})
.build();
}
}
/** Must be invoked when the parent Activity is saving it state. */
public void onSaveInstanceState(Bundle outState) {
if (view != null) {
outState.putParcelable(VOICEMAIL_URI_KEY, voicemailUri);
outState.putBoolean(IS_PREPARED_KEY, isPrepared);
outState.putInt(CLIP_POSITION_KEY, view.getDesiredClipPosition());
outState.putBoolean(IS_PLAYING_STATE_KEY, isPlaying);
outState.putBoolean(IS_SPEAKERPHONE_ON_KEY, isSpeakerphoneOn);
}
}
/** Specify the view which this presenter controls and the voicemail to prepare to play. */
public void setPlaybackView(
PlaybackView view,
long rowId,
Uri voicemailUri,
final boolean startPlayingImmediately,
View shareVoicemailButtonView) {
this.rowId = rowId;
this.view = view;
this.view.setPresenter(this, voicemailUri);
this.view.onSpeakerphoneOn(isSpeakerphoneOn);
this.shareVoicemailButtonView = shareVoicemailButtonView;
showShareVoicemailButton(false);
// Handles cases where the same entry is binded again when scrolling in list, or where
// the MediaPlayer was retained after an orientation change.
if (mediaPlayer != null && isPrepared && voicemailUri.equals(this.voicemailUri)) {
// If the voicemail card was rebinded, we need to set the position to the appropriate
// point. Since we retain the media player, we can just set it to the position of the
// media player.
position = mediaPlayer.getCurrentPosition();
onPrepared(mediaPlayer);
showShareVoicemailButton(true);
} else {
if (!voicemailUri.equals(this.voicemailUri)) {
this.voicemailUri = voicemailUri;
position = 0;
}
/*
* Check to see if the content field in the DB is set. If set, we proceed to
* prepareContent() method. We get the duration of the voicemail from the query and set
* it if the content is not available.
*/
checkForContent(
hasContent -> {
if (hasContent) {
showShareVoicemailButton(true);
prepareContent();
} else {
if (startPlayingImmediately) {
requestContent(PLAYBACK_REQUEST);
}
if (this.view != null) {
this.view.resetSeekBar();
this.view.setClipPosition(0, duration.get());
}
}
});
if (startPlayingImmediately) {
// Since setPlaybackView can get called during the view binding process, we don't
// want to reset mIsPlaying to false if the user is currently playing the
// voicemail and the view is rebound.
isPlaying = startPlayingImmediately;
}
}
}
/** Reset the presenter for playback back to its original state. */
public void resetAll() {
pausePresenter(true);
view = null;
voicemailUri = null;
}
/**
* When navigating away from voicemail playback, we need to release the media player, pause the UI
* and save the position.
*
* @param reset {@code true} if we want to reset the position of the playback, {@code false} if we
* want to retain the current position (in case we return to the voicemail).
*/
public void pausePresenter(boolean reset) {
pausePlayback();
if (mediaPlayer != null) {
mediaPlayer.release();
mediaPlayer = null;
}
disableProximitySensor(false /* waitForFarState */);
isPrepared = false;
isPlaying = false;
if (reset) {
// We want to reset the position whether or not the view is valid.
position = 0;
}
if (view != null) {
view.onPlaybackStopped();
if (reset) {
view.setClipPosition(0, duration.get());
} else {
position = view.getDesiredClipPosition();
}
}
}
/** Must be invoked when the parent activity is resumed. */
public void onResume() {
voicemailAudioManager.registerReceivers();
}
/** Must be invoked when the parent activity is paused. */
public void onPause() {
voicemailAudioManager.unregisterReceivers();
if (activity != null && isPrepared && activity.isChangingConfigurations()) {
// If an configuration change triggers the pause, retain the MediaPlayer.
LogUtil.d("VoicemailPlaybackPresenter.onPause", "configuration changed.");
return;
}
// Release the media player, otherwise there may be failures.
pausePresenter(false);
}
/** Must be invoked when the parent activity is destroyed. */
public void onDestroy() {
// Clear references to avoid leaks from the singleton instance.
activity = null;
context = null;
if (scheduledExecutorService != null) {
scheduledExecutorService.shutdown();
scheduledExecutorService = null;
}
if (fetchResultHandler != null) {
fetchResultHandler.destroy();
fetchResultHandler = null;
}
}
/** Checks to see if we have content available for this voicemail. */
protected void checkForContent(final OnContentCheckedListener callback) {
asyncTaskExecutor.submit(
Tasks.CHECK_FOR_CONTENT,
new AsyncTask<Void, Void, Boolean>() {
@Override
public Boolean doInBackground(Void... params) {
return queryHasContent(voicemailUri);
}
@Override
public void onPostExecute(Boolean hasContent) {
callback.onContentChecked(hasContent);
}
});
}
private boolean queryHasContent(Uri voicemailUri) {
if (voicemailUri == null || context == null) {
return false;
}
ContentResolver contentResolver = context.getContentResolver();
Cursor cursor = contentResolver.query(voicemailUri, null, null, null, null);
try {
if (cursor != null && cursor.moveToNext()) {
int duration = cursor.getInt(cursor.getColumnIndex(VoicemailContract.Voicemails.DURATION));
// Convert database duration (seconds) into mDuration (milliseconds)
this.duration.set(duration > 0 ? duration * 1000 : 0);
return cursor.getInt(cursor.getColumnIndex(VoicemailContract.Voicemails.HAS_CONTENT)) == 1;
}
} finally {
MoreCloseables.closeQuietly(cursor);
}
return false;
}
/**
* Makes a broadcast request to ask that a voicemail source fetch this content.
*
* <p>This method <b>must be called on the ui thread</b>.
*
* <p>This method will be called when we realise that we don't have content for this voicemail. It
* will trigger a broadcast to request that the content be downloaded. It will add a listener to
* the content resolver so that it will be notified when the has_content field changes. It will
* also set a timer. If the has_content field changes to true within the allowed time, we will
* proceed to {@link #prepareContent()}. If the has_content field does not become true within the
* allowed time, we will update the ui to reflect the fact that content was not available.
*
* @return whether issued request to fetch content
*/
protected boolean requestContent(int code) {
if (context == null || voicemailUri == null) {
return false;
}
FetchResultHandler tempFetchResultHandler =
new FetchResultHandler(new Handler(), voicemailUri, code);
switch (code) {
default:
if (fetchResultHandler != null) {
fetchResultHandler.destroy();
}
view.setIsFetchingContent();
fetchResultHandler = tempFetchResultHandler;
break;
}
asyncTaskExecutor.submit(
Tasks.SEND_FETCH_REQUEST,
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... voids) {
try (Cursor cursor =
context
.getContentResolver()
.query(
voicemailUri, new String[] {Voicemails.SOURCE_PACKAGE}, null, null, null)) {
String sourcePackage;
if (!hasContent(cursor)) {
LogUtil.e(
"VoicemailPlaybackPresenter.requestContent",
"mVoicemailUri does not return a SOURCE_PACKAGE");
sourcePackage = null;
} else {
sourcePackage = cursor.getString(0);
}
// Send voicemail fetch request.
Intent intent = new Intent(VoicemailContract.ACTION_FETCH_VOICEMAIL, voicemailUri);
intent.setPackage(sourcePackage);
LogUtil.i(
"VoicemailPlaybackPresenter.requestContent",
"Sending ACTION_FETCH_VOICEMAIL to " + sourcePackage);
context.sendBroadcast(intent);
}
return null;
}
});
return true;
}
/**
* Prepares the voicemail content for playback.
*
* <p>This method will be called once we know that our voicemail has content (according to the
* content provider). this method asynchronously tries to prepare the data source through the
* media player. If preparation is successful, the media player will {@link #onPrepared()}, and it
* will call {@link #onError()} otherwise.
*/
protected void prepareContent() {
if (view == null || context == null) {
return;
}
LogUtil.d("VoicemailPlaybackPresenter.prepareContent", null);
// Release the previous media player, otherwise there may be failures.
if (mediaPlayer != null) {
mediaPlayer.release();
mediaPlayer = null;
}
view.disableUiElements();
isPrepared = false;
if (context != null && TelecomUtil.isInManagedCall(context)) {
handleError(new IllegalStateException("Cannot play voicemail when call is in progress"));
return;
}
StrictModeUtils.bypass(this::prepareMediaPlayer);
}
private void prepareMediaPlayer() {
try {
mediaPlayer = new MediaPlayer();
mediaPlayer.setOnPreparedListener(this);
mediaPlayer.setOnErrorListener(this);
mediaPlayer.setOnCompletionListener(this);
mediaPlayer.reset();
mediaPlayer.setDataSource(context, voicemailUri);
mediaPlayer.setAudioStreamType(VoicemailAudioManager.PLAYBACK_STREAM);
mediaPlayer.prepareAsync();
} catch (IOException e) {
handleError(e);
}
}
/**
* Once the media player is prepared, enables the UI and adopts the appropriate playback state.
*/
@Override
public void onPrepared(MediaPlayer mp) {
if (view == null || context == null) {
return;
}
LogUtil.d("VoicemailPlaybackPresenter.onPrepared", null);
isPrepared = true;
duration.set(mediaPlayer.getDuration());
LogUtil.d("VoicemailPlaybackPresenter.onPrepared", "mPosition=" + position);
view.setClipPosition(position, duration.get());
view.enableUiElements();
view.setSuccess();
if (!mp.isPlaying()) {
mediaPlayer.seekTo(position);
}
if (isPlaying) {
resumePlayback();
} else {
pausePlayback();
}
}
/**
* Invoked if preparing the media player fails, for example, if file is missing or the voicemail
* is an unknown file format that can't be played.
*/
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
handleError(new IllegalStateException("MediaPlayer error listener invoked: " + extra));
return true;
}
protected void handleError(Exception e) {
LogUtil.e("VoicemailPlaybackPresenter.handlerError", "could not play voicemail", e);
if (isPrepared) {
mediaPlayer.release();
mediaPlayer = null;
isPrepared = false;
}
if (view != null) {
view.onPlaybackError();
}
position = 0;
isPlaying = false;
}
/** After done playing the voicemail clip, reset the clip position to the start. */
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
pausePlayback();
// Reset the seekbar position to the beginning.
position = 0;
if (view != null) {
mediaPlayer.seekTo(0);
view.setClipPosition(0, duration.get());
}
}
/**
* Only play voicemail when audio focus is granted. When it is lost (usually by another
* application requesting focus), pause playback. Audio focus gain/lost only triggers the focus is
* requested. Audio focus is requested when the user pressed play and abandoned when the user
* pressed pause or the audio has finished. Losing focus should not abandon focus as the voicemail
* should resume once the focus is returned.
*
* @param gainedFocus {@code true} if the audio focus was gained, {@code} false otherwise.
*/
public void onAudioFocusChange(boolean gainedFocus) {
if (isPlaying == gainedFocus) {
// Nothing new here, just exit.
return;
}
if (gainedFocus) {
resumePlayback();
} else {
pausePlayback(true);
}
}
/**
* Resumes voicemail playback at the clip position stored by the presenter. Null-op if already
* playing.
*/
public void resumePlayback() {
if (view == null) {
return;
}
if (!isPrepared) {
/*
* Check content before requesting content to avoid duplicated requests. It is possible
* that the UI doesn't know content has arrived if the fetch took too long causing a
* timeout, but succeeded.
*/
checkForContent(
hasContent -> {
if (!hasContent) {
// No local content, download from server. Queue playing if the request was
// issued,
isPlaying = requestContent(PLAYBACK_REQUEST);
} else {
showShareVoicemailButton(true);
// Queue playing once the media play loaded the content.
isPlaying = true;
prepareContent();
}
});
return;
}
isPlaying = true;
activity.getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
if (mediaPlayer != null && !mediaPlayer.isPlaying()) {
// Clamp the start position between 0 and the duration.
position = Math.max(0, Math.min(position, duration.get()));
mediaPlayer.seekTo(position);
try {
// Grab audio focus.
// Can throw RejectedExecutionException.
voicemailAudioManager.requestAudioFocus();
mediaPlayer.start();
setSpeakerphoneOn(isSpeakerphoneOn);
voicemailAudioManager.setSpeakerphoneOn(isSpeakerphoneOn);
} catch (RejectedExecutionException e) {
handleError(e);
}
}
LogUtil.d("VoicemailPlaybackPresenter.resumePlayback", "resumed playback at %d.", position);
view.onPlaybackStarted(duration.get(), getScheduledExecutorServiceInstance());
}
/** Pauses voicemail playback at the current position. Null-op if already paused. */
public void pausePlayback() {
pausePlayback(false);
}
private void pausePlayback(boolean keepFocus) {
if (!isPrepared) {
return;
}
isPlaying = false;
if (mediaPlayer != null && mediaPlayer.isPlaying()) {
mediaPlayer.pause();
}
position = mediaPlayer == null ? 0 : mediaPlayer.getCurrentPosition();
LogUtil.d("VoicemailPlaybackPresenter.pausePlayback", "paused playback at %d.", position);
if (view != null) {
view.onPlaybackStopped();
}
if (!keepFocus) {
voicemailAudioManager.abandonAudioFocus();
}
if (activity != null) {
activity.getWindow().clearFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
}
disableProximitySensor(true /* waitForFarState */);
}
/**
* Pauses playback when the user starts seeking the position, and notes whether the voicemail is
* playing to know whether to resume playback once the user selects a new position.
*/
public void pausePlaybackForSeeking() {
if (mediaPlayer != null) {
shouldResumePlaybackAfterSeeking = mediaPlayer.isPlaying();
}
pausePlayback(true);
}
public void resumePlaybackAfterSeeking(int desiredPosition) {
position = desiredPosition;
if (shouldResumePlaybackAfterSeeking) {
shouldResumePlaybackAfterSeeking = false;
resumePlayback();
}
}
/**
* Seek to position. This is called when user manually seek the playback. It could be either by
* touch or volume button while in talkback mode.
*/
public void seek(int position) {
this.position = position;
mediaPlayer.seekTo(this.position);
}
private void enableProximitySensor() {
if (proximityWakeLock == null
|| isSpeakerphoneOn
|| !isPrepared
|| mediaPlayer == null
|| !mediaPlayer.isPlaying()) {
return;
}
if (!proximityWakeLock.isHeld()) {
LogUtil.i(
"VoicemailPlaybackPresenter.enableProximitySensor", "acquiring proximity wake lock");
proximityWakeLock.acquire();
} else {
LogUtil.i(
"VoicemailPlaybackPresenter.enableProximitySensor",
"proximity wake lock already acquired");
}
}
private void disableProximitySensor(boolean waitForFarState) {
if (proximityWakeLock == null) {
return;
}
if (proximityWakeLock.isHeld()) {
LogUtil.i(
"VoicemailPlaybackPresenter.disableProximitySensor", "releasing proximity wake lock");
int flags = waitForFarState ? PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY : 0;
proximityWakeLock.release(flags);
} else {
LogUtil.i(
"VoicemailPlaybackPresenter.disableProximitySensor",
"proximity wake lock already released");
}
}
/** This is for use by UI interactions only. It simplifies UI logic. */
public void toggleSpeakerphone() {
voicemailAudioManager.setSpeakerphoneOn(!isSpeakerphoneOn);
setSpeakerphoneOn(!isSpeakerphoneOn);
}
public void setOnVoicemailDeletedListener(OnVoicemailDeletedListener listener) {
onVoicemailDeletedListener = listener;
}
public int getMediaPlayerPosition() {
return isPrepared && mediaPlayer != null ? mediaPlayer.getCurrentPosition() : 0;
}
void onVoicemailDeleted(CallLogListItemViewHolder viewHolder) {
if (onVoicemailDeletedListener != null) {
onVoicemailDeletedListener.onVoicemailDeleted(viewHolder, voicemailUri);
}
}
void onVoicemailDeleteUndo(int adapterPosition) {
if (onVoicemailDeletedListener != null) {
onVoicemailDeletedListener.onVoicemailDeleteUndo(rowId, adapterPosition, voicemailUri);
}
}
void onVoicemailDeletedInDatabase() {
if (onVoicemailDeletedListener != null) {
onVoicemailDeletedListener.onVoicemailDeletedInDatabase(rowId, voicemailUri);
}
}
@VisibleForTesting
public boolean isPlaying() {
return isPlaying;
}
@VisibleForTesting
public boolean isSpeakerphoneOn() {
return isSpeakerphoneOn;
}
/**
* This method only handles app-level changes to the speakerphone. Audio layer changes should be
* handled separately. This is so that the VoicemailAudioManager can trigger changes to the
* presenter without the presenter triggering the audio manager and duplicating actions.
*/
public void setSpeakerphoneOn(boolean on) {
if (view == null) {
return;
}
view.onSpeakerphoneOn(on);
isSpeakerphoneOn = on;
// This should run even if speakerphone is not being toggled because we may be switching
// from earpiece to headphone and vise versa. Also upon initial setup the default audio
// source is the earpiece, so we want to trigger the proximity sensor.
if (isPlaying) {
if (on || voicemailAudioManager.isWiredHeadsetPluggedIn()) {
disableProximitySensor(false /* waitForFarState */);
} else {
enableProximitySensor();
}
}
}
@VisibleForTesting
public void clearInstance() {
instance = null;
}
private void showShareVoicemailButton(boolean show) {
if (context == null) {
return;
}
if (isShareVoicemailAllowed(context) && shareVoicemailButtonView != null) {
if (show) {
Logger.get(context).logImpression(DialerImpression.Type.VVM_SHARE_VISIBLE);
}
LogUtil.d("VoicemailPlaybackPresenter.showShareVoicemailButton", "show: %b", show);
shareVoicemailButtonView.setVisibility(show ? View.VISIBLE : View.GONE);
}
}
private static boolean isShareVoicemailAllowed(Context context) {
return ConfigProviderComponent.get(context)
.getConfigProvider()
.getBoolean(CONFIG_SHARE_VOICEMAIL_ALLOWED, true);
}
private static class ShareVoicemailWorker
implements DialerExecutor.Worker<Pair<Context, Uri>, Pair<Uri, String>> {
@Nullable
@Override
public Pair<Uri, String> doInBackground(Pair<Context, Uri> input) {
Context context = input.first;
Uri voicemailUri = input.second;
ContentResolver contentResolver = context.getContentResolver();
try (Cursor callLogInfo = getCallLogInfoCursor(contentResolver, voicemailUri);
Cursor contentInfo = getContentInfoCursor(contentResolver, voicemailUri)) {
if (hasContent(callLogInfo) && hasContent(contentInfo)) {
String cachedName = callLogInfo.getString(CallLogQuery.CACHED_NAME);
String number = contentInfo.getString(contentInfo.getColumnIndex(Voicemails.NUMBER));
long date = contentInfo.getLong(contentInfo.getColumnIndex(Voicemails.DATE));
String mimeType = contentInfo.getString(contentInfo.getColumnIndex(Voicemails.MIME_TYPE));
String transcription =
contentInfo.getString(contentInfo.getColumnIndex(Voicemails.TRANSCRIPTION));
// Copy voicemail content to a new file.
// Please see reference in third_party/java_src/android_app/dialer/java/com/android/
// dialer/app/res/xml/file_paths.xml for correct cache directory name.
File parentDir = new File(context.getCacheDir(), "my_cache");
if (!parentDir.exists()) {
parentDir.mkdirs();
}
File temporaryVoicemailFile =
new File(parentDir, getFileName(cachedName, number, mimeType, date));
try (InputStream inputStream = contentResolver.openInputStream(voicemailUri);
OutputStream outputStream =
contentResolver.openOutputStream(Uri.fromFile(temporaryVoicemailFile))) {
if (inputStream != null && outputStream != null) {
ByteStreams.copy(inputStream, outputStream);
return new Pair<>(
FileProvider.getUriForFile(
context, Constants.get().getFileProviderAuthority(), temporaryVoicemailFile),
transcription);
}
} catch (IOException e) {
LogUtil.e(
"VoicemailAsyncTaskUtil.shareVoicemail",
"failed to copy voicemail content to new file: ",
e);
}
return null;
}
}
return null;
}
}
/**
* Share voicemail to be opened by user selected apps. This method will collect information, copy
* voicemail to a temporary file in background and launch a chooser intent to share it.
*/
public void shareVoicemail() {
shareVoicemailExecutor.executeParallel(new Pair<>(context, voicemailUri));
}
private static String getFileName(String cachedName, String number, String mimeType, long date) {
String callerName = TextUtils.isEmpty(cachedName) ? number : cachedName;
SimpleDateFormat simpleDateFormat =
new SimpleDateFormat(VOICEMAIL_SHARE_FILE_NAME_DATE_FORMAT, Locale.getDefault());
String fileExtension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mimeType);
return callerName
+ "_"
+ simpleDateFormat.format(new Date(date))
+ (TextUtils.isEmpty(fileExtension) ? "" : "." + fileExtension);
}
private static Intent getShareIntent(
Context context, Uri voicemailFileUri, String transcription) {
Intent shareIntent = new Intent();
if (TextUtils.isEmpty(transcription)) {
shareIntent.setAction(Intent.ACTION_SEND);
shareIntent.putExtra(Intent.EXTRA_STREAM, voicemailFileUri);
shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
shareIntent.setType(context.getContentResolver().getType(voicemailFileUri));
} else {
shareIntent.setAction(Intent.ACTION_SEND);
shareIntent.putExtra(Intent.EXTRA_STREAM, voicemailFileUri);
shareIntent.putExtra(Intent.EXTRA_TEXT, transcription);
shareIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
shareIntent.setType(context.getContentResolver().getType(voicemailFileUri));
}
return shareIntent;
}
private static boolean hasContent(@Nullable Cursor cursor) {
return cursor != null && cursor.moveToFirst();
}
@Nullable
private static Cursor getCallLogInfoCursor(ContentResolver contentResolver, Uri voicemailUri) {
return contentResolver.query(
ContentUris.withAppendedId(
CallLog.Calls.CONTENT_URI_WITH_VOICEMAIL, ContentUris.parseId(voicemailUri)),
CallLogQuery.getProjection(),
null,
null,
null);
}
@Nullable
private static Cursor getContentInfoCursor(ContentResolver contentResolver, Uri voicemailUri) {
return contentResolver.query(
voicemailUri,
new String[] {
Voicemails._ID,
Voicemails.NUMBER,
Voicemails.DATE,
Voicemails.MIME_TYPE,
Voicemails.TRANSCRIPTION,
},
null,
null,
null);
}
/** The enumeration of {@link AsyncTask} objects we use in this class. */
public enum Tasks {
CHECK_FOR_CONTENT,
CHECK_CONTENT_AFTER_CHANGE,
SHARE_VOICEMAIL,
SEND_FETCH_REQUEST
}
/** Contract describing the behaviour we need from the ui we are controlling. */
public interface PlaybackView {
int getDesiredClipPosition();
void disableUiElements();
void enableUiElements();
void onPlaybackError();
void onPlaybackStarted(int duration, ScheduledExecutorService executorService);
void onPlaybackStopped();
void onSpeakerphoneOn(boolean on);
void setClipPosition(int clipPositionInMillis, int clipLengthInMillis);
void setSuccess();
void setFetchContentTimeout();
void setIsFetchingContent();
void setPresenter(VoicemailPlaybackPresenter presenter, Uri voicemailUri);
void resetSeekBar();
}
public interface OnVoicemailDeletedListener {
void onVoicemailDeleted(CallLogListItemViewHolder viewHolder, Uri uri);
void onVoicemailDeleteUndo(long rowId, int adaptorPosition, Uri uri);
void onVoicemailDeletedInDatabase(long rowId, Uri uri);
}
protected interface OnContentCheckedListener {
void onContentChecked(boolean hasContent);
}
@ThreadSafe
private class FetchResultHandler extends ContentObserver implements Runnable {
private final Handler fetchResultHandler;
private final Uri voicemailUri;
private AtomicBoolean isWaitingForResult = new AtomicBoolean(true);
public FetchResultHandler(Handler handler, Uri uri, int code) {
super(handler);
fetchResultHandler = handler;
voicemailUri = uri;
if (context != null) {
if (PermissionsUtil.hasReadVoicemailPermissions(context)) {
context.getContentResolver().registerContentObserver(voicemailUri, false, this);
}
fetchResultHandler.postDelayed(this, FETCH_CONTENT_TIMEOUT_MS);
}
}
/** Stop waiting for content and notify UI if {@link FETCH_CONTENT_TIMEOUT_MS} has elapsed. */
@Override
public void run() {
if (isWaitingForResult.getAndSet(false) && context != null) {
context.getContentResolver().unregisterContentObserver(this);
if (view != null) {
view.setFetchContentTimeout();
}
}
}
public void destroy() {
if (isWaitingForResult.getAndSet(false) && context != null) {
context.getContentResolver().unregisterContentObserver(this);
fetchResultHandler.removeCallbacks(this);
}
}
@Override
public void onChange(boolean selfChange) {
asyncTaskExecutor.submit(
Tasks.CHECK_CONTENT_AFTER_CHANGE,
new AsyncTask<Void, Void, Boolean>() {
@Override
public Boolean doInBackground(Void... params) {
return queryHasContent(voicemailUri);
}
@Override
public void onPostExecute(Boolean hasContent) {
if (hasContent && context != null && isWaitingForResult.getAndSet(false)) {
context.getContentResolver().unregisterContentObserver(FetchResultHandler.this);
showShareVoicemailButton(true);
prepareContent();
}
}
});
}
}
}
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