Added Android code
[wl-app.git] / Android / app / src / main / java / com / moiseum / wolnelektury / view / player / service / AudiobookLibrary.java
diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/view/player/service/AudiobookLibrary.java b/Android/app/src/main/java/com/moiseum/wolnelektury/view/player/service/AudiobookLibrary.java
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+/*
+ * Copyright 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.moiseum.wolnelektury.view.player.service;
+
+import android.content.Context;
+import android.support.v4.media.MediaBrowserCompat;
+import android.support.v4.media.MediaMetadataCompat;
+
+import com.moiseum.wolnelektury.connection.models.BookDetailsModel;
+import com.moiseum.wolnelektury.connection.models.MediaModel;
+import com.moiseum.wolnelektury.utils.StringUtils;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.TreeMap;
+
+
+public class AudiobookLibrary {
+
+    private static final TreeMap<String, MediaMetadataCompat> music = new TreeMap<>();
+//    private static final HashMap<String, Integer> albumRes = new HashMap<>();
+    private static final HashMap<String, String> musicFileName = new HashMap<>();
+
+    public static String getRoot() {
+        return "root";
+    }
+
+//    private static String getAlbumArtUri(String albumArtResName) {
+//        return ContentResolver.SCHEME_ANDROID_RESOURCE + "://" +
+//                BuildConfig.APPLICATION_ID + "/drawable/" + albumArtResName;
+//    }
+
+    public static String getMusicFilename(String mediaId) {
+        return musicFileName.containsKey(mediaId) ? musicFileName.get(mediaId) : null;
+    }
+
+//    private static int getAlbumRes(String mediaId) {
+//        return albumRes.containsKey(mediaId) ? albumRes.get(mediaId) : 0;
+//    }
+
+//    public static Bitmap getAlbumBitmap(Context context, String mediaId) {
+//        return BitmapFactory.decodeResource(context.getResources(),
+//                AudiobookLibrary.getAlbumRes(mediaId));
+//    }
+
+    public static List<MediaBrowserCompat.MediaItem> getMediaItems() {
+        List<MediaBrowserCompat.MediaItem> result = new ArrayList<>();
+        for (MediaMetadataCompat metadata : music.values()) {
+            result.add(
+                    new MediaBrowserCompat.MediaItem(
+                            metadata.getDescription(), MediaBrowserCompat.MediaItem.FLAG_PLAYABLE));
+        }
+        return result;
+    }
+
+    public static MediaMetadataCompat getMetadata(Context context, String mediaId) {
+        MediaMetadataCompat metadataWithoutBitmap = music.get(mediaId);
+//        Bitmap albumArt = getAlbumBitmap(context, mediaId);
+
+        // Since MediaMetadataCompat is immutable, we need to create a copy to set the album art.
+        // We don't set it initially on all items so that they don't take unnecessary memory.
+        MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder();
+        for (String key :
+                new String[]{
+                        MediaMetadataCompat.METADATA_KEY_MEDIA_ID,
+                               MediaMetadataCompat.METADATA_KEY_TITLE,
+                               MediaMetadataCompat.METADATA_KEY_ARTIST,
+                        MediaMetadataCompat.METADATA_KEY_ALBUM,
+                               MediaMetadataCompat.METADATA_KEY_AUTHOR,
+                               MediaMetadataCompat.METADATA_KEY_GENRE,
+                               MediaMetadataCompat.METADATA_KEY_ALBUM_ART_URI
+                }) {
+            builder.putString(key, metadataWithoutBitmap.getString(key));
+        }
+        builder.putLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER, metadataWithoutBitmap.getLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER));
+           builder.putLong(MediaMetadataCompat.METADATA_KEY_NUM_TRACKS, metadataWithoutBitmap.getLong(MediaMetadataCompat.METADATA_KEY_NUM_TRACKS));
+//        builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, albumArt);
+        return builder.build();
+    }
+
+       public static void createAudiobookMetadata(BookDetailsModel book) {
+       music.clear();
+       int index = 0;
+               List<MediaModel> medias = book.getAudiobookMediaModels();
+
+               for (MediaModel model : medias) {
+                       createMediaMetadataCompat(
+                                       model.getUrl(),
+                                       model.getName(),
+                                       model.getArtist(),
+                                       book.getTitle(),
+                                       StringUtils.joinCategory(book.getAuthors(), ", "),
+                                       StringUtils.joinCategory(book.getGenres(), ", "),
+                                       book.getCoverThumb(),
+                                       model.getUrl(),
+                                       index++,
+                                       medias.size()
+                       );
+               }
+       }
+
+    private static void createMediaMetadataCompat(
+            String mediaId,
+            String title,
+            String artist,
+            String album,
+                       String author,
+            String genre,
+                       String artUrl,
+            String musicFilename,
+            int trackNumber,
+            int tracksCount
+    ) {
+        music.put(
+                mediaId,
+                new MediaMetadataCompat.Builder()
+                        .putString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID, mediaId)
+                               .putString(MediaMetadataCompat.METADATA_KEY_TITLE, title)
+                        .putString(MediaMetadataCompat.METADATA_KEY_ARTIST, artist)
+                               .putString(MediaMetadataCompat.METADATA_KEY_ALBUM, album)
+                               .putString(MediaMetadataCompat.METADATA_KEY_AUTHOR, author)
+                        .putString(MediaMetadataCompat.METADATA_KEY_GENRE, genre)
+                               .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ART_URI, artUrl)
+//                        .putString(
+//                                MediaMetadataCompat.METADATA_KEY_DISPLAY_ICON_URI,
+//                                getAlbumArtUri(albumArtResName))
+                               .putLong(MediaMetadataCompat.METADATA_KEY_TRACK_NUMBER, trackNumber)
+                               .putLong(MediaMetadataCompat.METADATA_KEY_NUM_TRACKS, tracksCount)
+                        .build());
+//        albumRes.put(mediaId, albumArtResId);
+        musicFileName.put(mediaId, musicFilename);
+    }
+}
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