1 files changed, 221 insertions, 0 deletions
diff --git a/java/com/android/dialer/voicemail/listui/NewVoicemailMediaPlayerView.java b/java/com/android/dialer/voicemail/listui/NewVoicemailMediaPlayerView.java
new file mode 100644
index 000000000..1e56a8189
--- /dev/null
+++ b/java/com/android/dialer/voicemail/listui/NewVoicemailMediaPlayerView.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) 2017 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.listui;
+
+import android.app.FragmentManager;
+import android.content.Context;
+import android.database.Cursor;
+import android.media.MediaPlayer;
+import android.media.MediaPlayer.OnCompletionListener;
+import android.media.MediaPlayer.OnErrorListener;
+import android.media.MediaPlayer.OnPreparedListener;
+import android.net.Uri;
+import android.provider.VoicemailContract;
+import android.support.annotation.VisibleForTesting;
+import android.support.v4.util.Pair;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.DialerExecutor.SuccessListener;
+import com.android.dialer.common.concurrent.DialerExecutor.Worker;
+import com.android.dialer.common.concurrent.DialerExecutorComponent;
+
+/**
+ * The view of the media player that is visible when a {@link NewVoicemailViewHolder} is expanded.
+ */
+public class NewVoicemailMediaPlayerView extends LinearLayout {
+
+  private Button playButton;
+  private Button speakerButton;
+  private Button deleteButton;
+  private Uri voicemailUri;
+  private FragmentManager fragmentManager;
+  private MediaPlayer mediaPlayer;
+
+  public NewVoicemailMediaPlayerView(Context context, AttributeSet attrs) {
+    super(context, attrs);
+    LogUtil.enterBlock("NewVoicemailMediaPlayer");
+    LayoutInflater inflater =
+        (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+    inflater.inflate(R.layout.new_voicemail_media_player_layout, this);
+  }
+
+  @Override
+  protected void onFinishInflate() {
+    super.onFinishInflate();
+    LogUtil.enterBlock("NewVoicemailMediaPlayer.onFinishInflate");
+    initializeMediaPlayerButtons();
+    setupListenersForMediaPlayerButtons();
+  }
+
+  private void initializeMediaPlayerButtons() {
+    playButton = findViewById(R.id.playButton);
+    speakerButton = findViewById(R.id.speakerButton);
+    deleteButton = findViewById(R.id.deleteButton);
+  }
+
+  private void setupListenersForMediaPlayerButtons() {
+    playButton.setOnClickListener(playButtonListener);
+    speakerButton.setOnClickListener(speakerButtonListener);
+    deleteButton.setOnClickListener(deleteButtonListener);
+  }
+
+  private final View.OnClickListener playButtonListener =
+      view -> playVoicemailWhenAvailableLocally();
+
+  /**
+   * Plays the voicemail when we are able to play the voicemail locally from the device. This
+   * involves checking if the voicemail is available to play locally, if it is, then we setup the
+   * Media Player to play the voicemail. If the voicemail is not available, then we need download
+   * the voicemail from the voicemail server to the device, and then have the Media player play it.
+   */
+  private void playVoicemailWhenAvailableLocally() {
+    LogUtil.enterBlock("playVoicemailWhenAvailableLocally");
+    Worker<Pair<Context, Uri>, Pair<Boolean, Uri>> checkVoicemailHasContent =
+        this::queryVoicemailHasContent;
+    SuccessListener<Pair<Boolean, Uri>> checkVoicemailHasContentCallBack = this::prepareMediaPlayer;
+
+    DialerExecutorComponent.get(getContext())
+        .dialerExecutorFactory()
+        .createUiTaskBuilder(fragmentManager, "lookup_voicemail_content", checkVoicemailHasContent)
+        .onSuccess(checkVoicemailHasContentCallBack)
+        .build()
+        .executeSerial(new Pair<>(getContext(), voicemailUri));
+  }
+
+  private Pair<Boolean, Uri> queryVoicemailHasContent(Pair<Context, Uri> contextUriPair) {
+    Context context = contextUriPair.first;
+    Uri uri = contextUriPair.second;
+
+    try (Cursor cursor = context.getContentResolver().query(uri, null, null, null, null)) {
+      if (cursor != null && cursor.moveToNext()) {
+        return new Pair<>(
+            cursor.getInt(cursor.getColumnIndex(VoicemailContract.Voicemails.HAS_CONTENT)) == 1,
+            uri);
+      }
+      return new Pair<>(false, uri);
+    }
+  }
+
+  /**
+   * If the voicemail is available to play locally, setup the media player to play it. Otherwise
+   * send a request to download the voicemail and then play it.
+   */
+  private void prepareMediaPlayer(Pair<Boolean, Uri> booleanUriPair) {
+    boolean voicemailAvailableLocally = booleanUriPair.first;
+    Uri uri = booleanUriPair.second;
+    LogUtil.i(
+        "NewVoicemailMediaPlayer.prepareMediaPlayer",
+        "voicemail available locally: %b for voicemailUri: %s",
+        voicemailAvailableLocally,
+        uri.toString());
+
+    if (voicemailAvailableLocally) {
+      try {
+        mediaPlayer = new MediaPlayer();
+        mediaPlayer.setOnPreparedListener(onPreparedListener);
+        mediaPlayer.setOnErrorListener(onErrorListener);
+        mediaPlayer.setOnCompletionListener(onCompletionListener);
+
+        mediaPlayer.reset();
+        mediaPlayer.setDataSource(getContext(), uri);
+
+        mediaPlayer.prepareAsync();
+      } catch (Exception e) {
+        LogUtil.e("NewVoicemailMediaPlayer.prepareMediaPlayer", "IOException " + e);
+      }
+    } else {
+      // TODO(a bug): Add logic for downloading voicemail content from the server.
+      LogUtil.i(
+          "NewVoicemailMediaPlayer.prepareVoicemailForMediaPlayer", "need to download content");
+    }
+  }
+
+  private final View.OnClickListener speakerButtonListener =
+      new View.OnClickListener() {
+        @Override
+        public void onClick(View view) {
+          LogUtil.i(
+              "NewVoicemailMediaPlayer.speakerButtonListener",
+              "speaker request for voicemailUri: %s",
+              voicemailUri.toString());
+        }
+      };
+
+  private final View.OnClickListener deleteButtonListener =
+      new View.OnClickListener() {
+        @Override
+        public void onClick(View view) {
+          LogUtil.i(
+              "NewVoicemailMediaPlayer.deleteButtonListener",
+              "delete voicemailUri %s",
+              voicemailUri.toString());
+        }
+      };
+
+  @VisibleForTesting(otherwise = VisibleForTesting.NONE)
+  OnCompletionListener onCompletionListener =
+      new OnCompletionListener() {
+
+        @Override
+        public void onCompletion(MediaPlayer mp) {
+          LogUtil.i(
+              "NewVoicemailMediaPlayer.onCompletionListener",
+              "completed playing voicemailUri: %s",
+              voicemailUri.toString());
+        }
+      };
+
+  private final OnPreparedListener onPreparedListener =
+      new OnPreparedListener() {
+
+        @Override
+        public void onPrepared(MediaPlayer mp) {
+          LogUtil.i(
+              "NewVoicemailMediaPlayer.onPreparedListener",
+              "about to play voicemailUri: %s",
+              voicemailUri.toString());
+          mediaPlayer.start();
+        }
+      };
+
+  @VisibleForTesting(otherwise = VisibleForTesting.NONE)
+  OnErrorListener onErrorListener =
+      new OnErrorListener() {
+        @Override
+        public boolean onError(MediaPlayer mp, int what, int extra) {
+          LogUtil.i(
+              "NewVoicemailMediaPlayer.onErrorListener",
+              "error playing voicemailUri: %s",
+              voicemailUri.toString());
+          return false;
+        }
+      };
+
+  public void setVoicemailUri(Uri voicemailUri) {
+    Assert.isNotNull(voicemailUri);
+    this.voicemailUri = voicemailUri;
+  }
+
+  public void setFragmentManager(FragmentManager fragmentManager) {
+    this.fragmentManager = fragmentManager;
+  }
+}