Allow media to be played automatically (#1153)

* Allow media to be played automatically

* Fix for media been always autoplayed when opened from miniplayer

app/src/main/java/io/lbry/browser/MainActivity.java

@@ -336,6 +336,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
 
     // preference keys
     public static final String PREFERENCE_KEY_BACKGROUND_PLAYBACK = "io.lbry.browser.preference.userinterface.BackgroundPlayback";
+    public static final String PREFERENCE_KEY_MEDIA_AUTOPLAY = "io.lbry.browser.preference.userinterface.MediaAutoplay";
     public static final String PREFERENCE_KEY_DARK_MODE = "io.lbry.browser.preference.userinterface.DarkMode";
     public static final String PREFERENCE_KEY_SHOW_MATURE_CONTENT = "io.lbry.browser.preference.userinterface.ShowMatureContent";
     public static final String PREFERENCE_KEY_SHOW_URL_SUGGESTIONS = "io.lbry.browser.preference.userinterface.UrlSuggestions";
@@ -680,6 +681,11 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
         return sp.getBoolean(PREFERENCE_KEY_BACKGROUND_PLAYBACK, true);
     }
 
+    public boolean isMediaAutoplayEnabled() {
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+        return sp.getBoolean(PREFERENCE_KEY_MEDIA_AUTOPLAY, true);
+    }
+
     public boolean initialSubscriptionMergeDone() {
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
         return sp.getBoolean(PREFERENCE_KEY_INTERNAL_INITIAL_SUBSCRIPTION_MERGE_DONE, false);

app/src/main/java/io/lbry/browser/ui/findcontent/FileViewFragment.java

@@ -12,7 +12,6 @@ import android.graphics.Color;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.os.Handler;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.text.format.DateUtils;
@@ -98,6 +97,7 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
@@ -284,14 +284,13 @@ public class FileViewFragment extends BaseFragment implements
 
         fileViewPlayerListener = new Player.EventListener() {
             @Override
-            public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
+            public void onPlaybackStateChanged(@Player.State int playbackState) {
                 if (playbackState == Player.STATE_READY) {
                     elapsedDuration = MainActivity.appPlayer.getCurrentPosition();
                     totalDuration = MainActivity.appPlayer.getDuration() < 0 ? 0 : MainActivity.appPlayer.getDuration();
                     if (!playbackStarted) {
                         logPlay(currentUrl, startTimeMillis);
                         playbackStarted = true;
-                        isPlaying = true;
 
                         long lastPosition = loadLastPlaybackPosition();
                         if (lastPosition > -1) {
@@ -303,7 +302,7 @@ public class FileViewFragment extends BaseFragment implements
                     hideBuffering();
 
                     if (loadingNewClaim) {
-                        MainActivity.appPlayer.setPlayWhenReady(true);
+                        MainActivity.appPlayer.setPlayWhenReady(Objects.requireNonNull((MainActivity) (getActivity())).isMediaAutoplayEnabled());
                         loadingNewClaim = false;
                     }
                 } else if (playbackState == Player.STATE_BUFFERING) {
@@ -340,6 +339,11 @@ public class FileViewFragment extends BaseFragment implements
                     hideBuffering();
                 }
             }
+
+            @Override
+            public void onIsPlayingChanged(boolean isPlayng) {
+                isPlaying = isPlayng;
+            }
         };
 
         return root;
@@ -1762,7 +1766,7 @@ public class FileViewFragment extends BaseFragment implements
                     ((MainActivity) context).setNowPlayingClaim(claim, currentUrl);
                 }
 
-                MainActivity.appPlayer.setPlayWhenReady(true);
+                MainActivity.appPlayer.setPlayWhenReady(Objects.requireNonNull((MainActivity) (getActivity())).isMediaAutoplayEnabled());
                 String userAgent = Util.getUserAgent(context, getString(R.string.app_name));
                 String mediaSourceUrl = getStreamingUrl();
                 MediaSource mediaSource = new ProgressiveMediaSource.Factory(
@@ -1770,7 +1774,8 @@ public class FileViewFragment extends BaseFragment implements
                         new DefaultExtractorsFactory()
                 ).setLoadErrorHandlingPolicy(new StreamLoadErrorPolicy()).createMediaSource(Uri.parse(mediaSourceUrl));
 
-                MainActivity.appPlayer.prepare(mediaSource, true, true);
+                MainActivity.appPlayer.setMediaSource(mediaSource, true);
+                MainActivity.appPlayer.prepare();
             }
         }
     }

app/src/main/res/values/strings.xml

@@ -247,6 +247,7 @@
     <string name="user_interface">Content &amp; User interface</string>
     <string name="other">Other</string>
     <string name="enable_background_playback">Enable background playback</string>
+    <string name="enable_autoplay">Autoplay media files</string>
     <string name="enable_dark_mode">Enable dark theme</string>
     <string name="show_mature_content">Show mature content</string>
     <string name="show_url_suggestions">Show URL suggestions</string>

app/src/main/res/xml/settings.xml

@@ -10,6 +10,11 @@
             app:defaultValue="true"
             app:title="@string/enable_background_playback"
             app:iconSpaceReserved="false" />
+        <SwitchPreferenceCompat
+            app:key="io.lbry.browser.preference.userinterface.MediaAutoplay"
+            app:defaultValue="true"
+            app:title="@string/enable_autoplay"
+            app:iconSpaceReserved="false" />
         <SwitchPreferenceCompat
             app:key="io.lbry.browser.preference.userinterface.DarkMode"
             app:title="@string/enable_dark_mode"