Sync to ub-tv-killing at 6f6e46557accb62c9548e4177d6005aa944dbf33

Change-Id: I873644d6d9d0110c981ef6075cb4019c16bbb94b

12 files changed, 204 insertions, 180 deletions

diff --git a/src/com/android/tv/util/AsyncDbTask.java b/src/com/android/tv/util/AsyncDbTask.java
index 8bcdb294..78243642 100644
--- a/src/com/android/tv/util/AsyncDbTask.java
+++ b/src/com/android/tv/util/AsyncDbTask.java
@@ -29,9 +29,9 @@ import android.util.Log;
 import android.util.Range;
 
 import com.android.tv.common.SoftPreconditions;
-import com.android.tv.dvr.RecordedProgram;
 import com.android.tv.data.Channel;
 import com.android.tv.data.Program;
+import com.android.tv.dvr.RecordedProgram;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -162,7 +162,7 @@ public abstract class AsyncDbTask<Params, Progress, Result>
 
         @Override
         public String toString() {
-            return this.getClass().getSimpleName() + "(" + mUri + ")";
+            return this.getClass().getName() + "(" + mUri + ")";
         }
     }
 
diff --git a/src/com/android/tv/util/CompositeComparator.java b/src/com/android/tv/util/CompositeComparator.java
new file mode 100644
index 00000000..47cf50fe
--- /dev/null
+++ b/src/com/android/tv/util/CompositeComparator.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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.tv.util;
+
+import java.util.Comparator;
+
+/**
+ * A comparator which runs multiple comparators sequentially.
+ */
+public class CompositeComparator<T> implements Comparator<T> {
+    private final Comparator<T>[] mComparators;
+
+    @SafeVarargs
+    public CompositeComparator(Comparator<T>... comparators) {
+        mComparators = comparators;
+    }
+
+    @Override
+    public int compare(T lhs, T rhs) {
+        for (Comparator<T> comparator : mComparators) {
+            int result = comparator.compare(lhs, rhs);
+            if (result != 0) {
+                return result;
+            }
+        }
+        return 0;
+    }
+}
diff --git a/src/com/android/tv/util/DvrTunerStorageUtils.java b/src/com/android/tv/util/DvrTunerStorageUtils.java
deleted file mode 100644
index 534a95ef..00000000
--- a/src/com/android/tv/util/DvrTunerStorageUtils.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2016 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.tv.util;
-
-import android.os.Environment;
-import android.content.Context;
-import android.os.StatFs;
-import android.os.storage.StorageManager;
-import android.os.storage.StorageVolume;
-
-import com.android.tv.common.feature.CommonFeatures;
-
-import java.io.File;
-
-/**
- * A utility class for storage usage of DVR recording.
- */
-public class DvrTunerStorageUtils {
-    // STOPSHIP: turn off ALLOW_REMOVABLE_STORAGE. b/30768857
-    private static final boolean ALLOW_REMOVABLE_STORAGE = true;
-
-    private static final long MIN_STORAGE_SIZE_FOR_DVR_IN_BYTES = 50 * 1024 * 1024 * 1024L;
-    private static final long MIN_FREE_STORAGE_SIZE_FOR_DVR_IN_BYTES = 10 * 1024 * 1024 * 1024L;
-    private static final String RECORDING_DATA_SUB_PATH = "/recording/";
-    // Since {@link StorageVolume#getUuid} will return null for internal storage and {@code null}
-    // should be used for missing storage status, we need the internal storage specifier.
-    private static final String INTERNAL_STORAGE_UUID = "internal_storage_uuid";
-
-    /**
-     * Returns the path to DVR recording data directory.
-     * @param context {@link Context}
-     * @param recordingId unique {@link String} specifier for each recording
-     * @return {@link File}
-     */
-    public static File getRecordingDataDirectory(Context context, String recordingId) {
-        File recordingDataRootDir = getRootDirectory(context);
-        if (recordingDataRootDir == null) {
-            return null;
-        }
-        return new File(recordingDataRootDir + RECORDING_DATA_SUB_PATH + recordingId);
-    }
-
-    /**
-     * Returns the unique identifier for the storage which will be used to store recordings.
-     * @param context {@link Context}
-     * @return {@link String} of the unique identifier when storage exists, {@code null} otherwise
-     */
-    public static String getRecordingStorageUuid(Context context) {
-        File recordingDataRootDir = getRootDirectory(context);
-        StorageManager manager = (StorageManager) context.getSystemService(context.STORAGE_SERVICE);
-        StorageVolume volume = manager.getStorageVolume(recordingDataRootDir);
-        if (volume == null) {
-            return null;
-        }
-        if (!Environment.MEDIA_MOUNTED.equals(volume.getState())) {
-            return null;
-        }
-        String uuid = volume.getUuid();
-        return uuid == null ? INTERNAL_STORAGE_UUID : uuid;
-    }
-
-    /**
-     * Returns whether the storage has sufficient storage.
-     * @param context {@link Context}
-     * @return {@code true} when there is sufficient storage, {@code false} otherwise
-     */
-    public static boolean isStorageSufficient(Context context) {
-        File recordingDataRootDir = getRootDirectory(context);
-        if (recordingDataRootDir == null || !recordingDataRootDir.isDirectory()) {
-            return false;
-        }
-        if (CommonFeatures.FORCE_RECORDING_UNTIL_NO_SPACE.isEnabled(context)) {
-            return true;
-        }
-        StatFs statFs = new StatFs(recordingDataRootDir.toString());
-        return statFs.getTotalBytes() >= MIN_STORAGE_SIZE_FOR_DVR_IN_BYTES
-                && statFs.getAvailableBytes() >= MIN_FREE_STORAGE_SIZE_FOR_DVR_IN_BYTES;
-    }
-
-    private static File getRootDirectory(Context context) {
-        if (!ALLOW_REMOVABLE_STORAGE) {
-            return context.getExternalFilesDir(null);
-        }
-        File[] dirs = context.getExternalFilesDirs(null);
-        if (dirs == null) {
-            return null;
-        }
-        for (File dir : dirs) {
-            if (dir == null) {
-                continue;
-            }
-            StatFs statFs = new StatFs(dir.toString());
-            if (statFs.getTotalBytes() >= MIN_STORAGE_SIZE_FOR_DVR_IN_BYTES
-                    && statFs.getAvailableBytes() >= MIN_FREE_STORAGE_SIZE_FOR_DVR_IN_BYTES) {
-                return dir;
-            }
-        }
-        return dirs[0];
-    }
-}
diff --git a/src/com/android/tv/util/LocationUtils.java b/src/com/android/tv/util/LocationUtils.java
index 406a9d88..8e3b59e9 100644
--- a/src/com/android/tv/util/LocationUtils.java
+++ b/src/com/android/tv/util/LocationUtils.java
@@ -25,6 +25,7 @@ import android.location.LocationManager;
 import android.os.Bundle;
 import android.util.Log;
 
+
 import java.io.IOException;
 import java.util.List;
 import java.util.Locale;
@@ -36,36 +37,6 @@ public class LocationUtils {
     private static final String TAG = "LocationUtils";
     private static final boolean DEBUG = false;
 
-    private static final LocationListener LOCATION_LISTENER = new LocationListener() {
-        @Override
-        public void onLocationChanged(Location location) {
-            Geocoder geocoder = new Geocoder(sApplicationContext, Locale.getDefault());
-            try {
-                List<Address> addresses = geocoder.getFromLocation(location.getLatitude(),
-                        location.getLongitude(), 1);
-                if (addresses != null) {
-                    sAddress = addresses.get(0);
-                    if (DEBUG) Log.d(TAG, "returned address: " + sAddress);
-                } else {
-                    if (DEBUG) Log.d(TAG, "No address returned");
-                }
-                sError = null;
-            } catch (IOException e) {
-                Log.w(TAG, "Error in retrieving address", e);
-                sError = e;
-            }
-        }
-
-        @Override
-        public void onStatusChanged(String provider, int status, Bundle extras) { }
-
-        @Override
-        public void onProviderEnabled(String provider) { }
-
-        @Override
-        public void onProviderDisabled(String provider) { }
-    };
-
     private static Context sApplicationContext;
     private static Address sAddress;
     private static IOException sError;
@@ -83,19 +54,67 @@ public class LocationUtils {
         }
         if (sApplicationContext == null) {
             sApplicationContext = context.getApplicationContext();
-            LocationManager mLocationManager = (LocationManager) context.getSystemService(
-                    Context.LOCATION_SERVICE);
-            try {
-                mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 10,
-                        LOCATION_LISTENER, null);
-            } catch (SecurityException e) {
-                // Enables requesting the location updates again.
-                sApplicationContext = null;
-                throw e;
-            }
         }
+        LocationUtilsHelper.startLocationUpdates();
         return null;
     }
 
+    private static void updateAddress(Location location) {
+        if (DEBUG) Log.d(TAG, "Updating address with " + location);
+        if (location == null) {
+            return;
+        }
+        Geocoder geocoder = new Geocoder(sApplicationContext, Locale.getDefault());
+        try {
+            List<Address> addresses = geocoder.getFromLocation(
+                    location.getLatitude(), location.getLongitude(), 1);
+            if (addresses != null) {
+                sAddress = addresses.get(0);
+                if (DEBUG) Log.d(TAG, "Got " + sAddress);
+            } else {
+                if (DEBUG) Log.d(TAG, "No address returned");
+            }
+            sError = null;
+        } catch (IOException e) {
+            Log.w(TAG, "Error in updating address", e);
+            sError = e;
+        }
+    }
+
     private LocationUtils() { }
+
+    private static class LocationUtilsHelper {
+        private static final LocationListener LOCATION_LISTENER = new LocationListener() {
+            @Override
+            public void onLocationChanged(Location location) {
+                updateAddress(location);
+            }
+
+            @Override
+            public void onStatusChanged(String provider, int status, Bundle extras) { }
+
+            @Override
+            public void onProviderEnabled(String provider) { }
+
+            @Override
+            public void onProviderDisabled(String provider) { }
+        };
+
+        private static LocationManager sLocationManager;
+
+        public static void startLocationUpdates() {
+            if (sLocationManager == null) {
+                sLocationManager = (LocationManager) sApplicationContext.getSystemService(
+                        Context.LOCATION_SERVICE);
+                try {
+                    sLocationManager.requestLocationUpdates(
+                            LocationManager.NETWORK_PROVIDER, 1000, 10, LOCATION_LISTENER, null);
+                } catch (SecurityException e) {
+                    // Enables requesting the location updates again.
+                    sLocationManager = null;
+                    throw e;
+                }
+            }
+        }
+    }
 }
diff --git a/src/com/android/tv/util/PermissionUtils.java b/src/com/android/tv/util/PermissionUtils.java
index a443ede7..453885a4 100644
--- a/src/com/android/tv/util/PermissionUtils.java
+++ b/src/com/android/tv/util/PermissionUtils.java
@@ -7,6 +7,11 @@ import android.content.pm.PackageManager;
  * Util class to handle permissions.
  */
 public class PermissionUtils {
+    /**
+     * Permission to read the TV listings.
+     */
+    public static final String PERMISSION_READ_TV_LISTINGS = "android.permission.READ_TV_LISTINGS";
+
     private static Boolean sHasAccessAllEpgPermission;
     private static Boolean sHasAccessWatchedHistoryPermission;
     private static Boolean sHasModifyParentalControlsPermission;
@@ -39,7 +44,7 @@ public class PermissionUtils {
     }
 
     public static boolean hasReadTvListings(Context context) {
-        return context.checkSelfPermission("android.permission.READ_TV_LISTINGS")
+        return context.checkSelfPermission(PERMISSION_READ_TV_LISTINGS)
                 == PackageManager.PERMISSION_GRANTED;
     }
 }
diff --git a/src/com/android/tv/util/PipInputManager.java b/src/com/android/tv/util/PipInputManager.java
index 03bdc681..2c51d5a0 100644
--- a/src/com/android/tv/util/PipInputManager.java
+++ b/src/com/android/tv/util/PipInputManager.java
@@ -149,6 +149,7 @@ public class PipInputManager {
         if (mStarted) {
             return;
         }
+        mStarted = true;
         mInputManager.addCallback(mTvInputCallback);
         mChannelTuner.addListener(mChannelTunerListener);
         initializePipInputList();
@@ -161,6 +162,7 @@ public class PipInputManager {
         if (!mStarted) {
             return;
         }
+        mStarted = false;
         mInputManager.removeCallback(mTvInputCallback);
         mChannelTuner.removeListener(mChannelTunerListener);
         mPipInputMap.clear();
diff --git a/src/com/android/tv/util/RecurringRunner.java b/src/com/android/tv/util/RecurringRunner.java
index 469170ed..4135bd4e 100644
--- a/src/com/android/tv/util/RecurringRunner.java
+++ b/src/com/android/tv/util/RecurringRunner.java
@@ -126,10 +126,7 @@ public final class RecurringRunner {
         return next;
     }
 
-    /**
-     * Resets the next run time.
-     */
-    public long resetNextRunTime() {
+    private long resetNextRunTime() {
         long next = System.currentTimeMillis() + mIntervalMs;
         getSharedPreferences().edit().putLong(mName, next).apply();
         return next;
diff --git a/src/com/android/tv/util/SetupUtils.java b/src/com/android/tv/util/SetupUtils.java
index 1213d317..8223a81c 100644
--- a/src/com/android/tv/util/SetupUtils.java
+++ b/src/com/android/tv/util/SetupUtils.java
@@ -20,6 +20,8 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.media.tv.TvContract;
 import android.media.tv.TvInputInfo;
 import android.media.tv.TvInputManager;
@@ -35,6 +37,8 @@ import com.android.tv.TvApplication;
 import com.android.tv.common.SoftPreconditions;
 import com.android.tv.data.Channel;
 import com.android.tv.data.ChannelDataManager;
+import com.android.tv.data.epg.EpgFetcher;
+import com.android.tv.experiments.Experiments;
 import com.android.tv.tuner.tvinput.TunerTvInputService;
 
 import java.util.Collections;
@@ -267,7 +271,8 @@ public class SetupUtils {
         // Find all already-verified packages.
         Set<String> setUpPackages = new HashSet<>();
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
-        for (String input : sp.getStringSet(PREF_KEY_SET_UP_INPUTS, Collections.<String>emptySet())) {
+        for (String input : sp.getStringSet(PREF_KEY_SET_UP_INPUTS,
+                Collections.<String>emptySet())) {
             if (!TextUtils.isEmpty(input)) {
                 ComponentName componentName = ComponentName.unflattenFromString(input);
                 if (componentName != null) {
@@ -330,14 +335,28 @@ public class SetupUtils {
         removedInputList.remove(mTunerInputId);
 
         if (!removedInputList.isEmpty()) {
+            boolean inputPackageDeleted = false;
             for (String input : removedInputList) {
-                mRecognizedInputs.remove(input);
-                mSetUpInputs.remove(input);
-                mKnownInputs.remove(input);
+                try {
+                    // Just after booting, input list from TvInputManager are not reliable.
+                    // So we need to double-check package existence. b/29034900
+                    mTvApplication.getPackageManager().getPackageInfo(
+                            ComponentName.unflattenFromString(input)
+                            .getPackageName(), PackageManager.GET_ACTIVITIES);
+                    Log.i(TAG, "TV input (" + input + ") is removed but package is not deleted");
+                } catch (NameNotFoundException e) {
+                    Log.i(TAG, "TV input (" + input + ") and its package are removed");
+                    mRecognizedInputs.remove(input);
+                    mSetUpInputs.remove(input);
+                    mKnownInputs.remove(input);
+                    inputPackageDeleted = true;
+                }
+            }
+            if (inputPackageDeleted) {
+                mSharedPreferences.edit().putStringSet(PREF_KEY_SET_UP_INPUTS, mSetUpInputs)
+                        .putStringSet(PREF_KEY_KNOWN_INPUTS, mKnownInputs)
+                        .putStringSet(PREF_KEY_RECOGNIZED_INPUTS, mRecognizedInputs).apply();
             }
-            mSharedPreferences.edit().putStringSet(PREF_KEY_SET_UP_INPUTS, mSetUpInputs)
-                    .putStringSet(PREF_KEY_KNOWN_INPUTS, mKnownInputs)
-                    .putStringSet(PREF_KEY_RECOGNIZED_INPUTS, mRecognizedInputs).apply();
         }
     }
 
@@ -345,7 +364,7 @@ public class SetupUtils {
      * Called when an setup is done. Once it is called, {@link #isSetupDone} returns {@code true}
      * for {@code inputId}.
      */
-    public void onSetupDone(String inputId) {
+    private void onSetupDone(String inputId) {
         SoftPreconditions.checkState(inputId != null);
         if (DEBUG) Log.d(TAG, "onSetupDone: input=" + inputId);
         if (!mRecognizedInputs.contains(inputId)) {
@@ -363,5 +382,13 @@ public class SetupUtils {
             mSetUpInputs.add(inputId);
             mSharedPreferences.edit().putStringSet(PREF_KEY_SET_UP_INPUTS, mSetUpInputs).apply();
         }
+        // Start fetching program guide data for internal tuners.
+        Context context = mTvApplication.getApplicationContext();
+        if (Utils.isInternalTvInput(context, inputId)) {
+            if (context.checkSelfPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION)
+                    == PackageManager.PERMISSION_GRANTED && Experiments.CLOUD_EPG.get()) {
+                EpgFetcher.getInstance(context).startImmediately();
+            }
+        }
     }
 }
diff --git a/src/com/android/tv/util/SystemProperties.java b/src/com/android/tv/util/SystemProperties.java
index 235161b6..e737f233 100644
--- a/src/com/android/tv/util/SystemProperties.java
+++ b/src/com/android/tv/util/SystemProperties.java
@@ -36,12 +36,6 @@ public final class SystemProperties {
             "tv_allow_strict_mode", true);
 
     /**
-     * Allow Strict death penalty for eng builds.
-     */
-    public static final BooleanSystemProperty ALLOW_DEATH_PENALTY = new BooleanSystemProperty(
-            "tv_allow_death_penalty", true);
-
-    /**
      * When true {@link android.view.KeyEvent}s  are logged.  Defaults to false.
      */
     public static final BooleanSystemProperty LOG_KEYEVENT = new BooleanSystemProperty(
diff --git a/src/com/android/tv/util/ToastUtils.java b/src/com/android/tv/util/ToastUtils.java
new file mode 100644
index 00000000..34346b2a
--- /dev/null
+++ b/src/com/android/tv/util/ToastUtils.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2016 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.tv.util;
+
+import android.content.Context;
+import android.support.annotation.MainThread;
+import android.widget.Toast;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * A utility class for the toast message.
+ */
+public class ToastUtils {
+    private static WeakReference<Toast> sToast;
+
+    /**
+     * Shows the toast message after canceling the previous one.
+     */
+    @MainThread
+    public static void show(Context context, CharSequence text, int duration) {
+        if (sToast != null && sToast.get() != null) {
+            sToast.get().cancel();
+        }
+        Toast toast = Toast.makeText(context, text, duration);
+        toast.show();
+        sToast = new WeakReference<>(toast);
+    }
+}
diff --git a/src/com/android/tv/util/TvSettings.java b/src/com/android/tv/util/TvSettings.java
index 4a65cbbe..97ff59d6 100644
--- a/src/com/android/tv/util/TvSettings.java
+++ b/src/com/android/tv/util/TvSettings.java
@@ -34,9 +34,6 @@ import java.util.Set;
 public final class TvSettings {
     private TvSettings() {}
 
-    public static final String PREFS_FILE = "settings";
-    public static final String PREF_TV_WATCH_LOGGING_ENABLED = "tv_watch_logging_enabled";
-    public static final String PREF_CLOSED_CAPTION_ENABLED = "is_cc_enabled";  // boolean value
     public static final String PREF_DISPLAY_MODE = "display_mode";  // int value
     public static final String PREF_PIP_LAYOUT = "pip_layout"; // int value
     public static final String PREF_PIP_SIZE = "pip_size";  // int value
@@ -49,7 +46,6 @@ public final class TvSettings {
     public @interface PipSound {}
     public static final int PIP_SOUND_MAIN = 0;
     public static final int PIP_SOUND_PIP_WINDOW = PIP_SOUND_MAIN + 1;
-    public static final int PIP_SOUND_LAST = PIP_SOUND_PIP_WINDOW;
 
     // PIP layouts
     @Retention(RetentionPolicy.SOURCE)
diff --git a/src/com/android/tv/util/Utils.java b/src/com/android/tv/util/Utils.java
index 9f90c69f..99d34431 100644
--- a/src/com/android/tv/util/Utils.java
+++ b/src/com/android/tv/util/Utils.java
@@ -37,6 +37,7 @@ import android.support.annotation.VisibleForTesting;
 import android.support.annotation.WorkerThread;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
+import android.util.ArraySet;
 import android.util.Log;
 import android.view.View;
 
@@ -77,7 +78,6 @@ public class Utils {
     public static final String EXTRA_KEY_ACTION = "action";
     public static final String EXTRA_ACTION_SHOW_TV_INPUT ="show_tv_input";
     public static final String EXTRA_KEY_FROM_LAUNCHER = "from_launcher";
-    public static final String EXTRA_KEY_RECORDING_URI = "recording_uri";
     public static final String EXTRA_KEY_RECORDED_PROGRAM_ID = "recorded_program_id";
     public static final String EXTRA_KEY_RECORDED_PROGRAM_SEEK_TIME = "recorded_program_seek_time";
     public static final String EXTRA_KEY_RECORDED_PROGRAM_PIN_CHECKED =
@@ -119,7 +119,7 @@ public class Utils {
     // Hardcoded list for known bundled inputs not written by OEM/SOCs.
     // Bundled (system) inputs not in the list will get the high priority
     // so they and their channels come first in the UI.
-    private static final Set<String> BUNDLED_PACKAGE_SET = new HashSet<>();
+    private static final Set<String> BUNDLED_PACKAGE_SET = new ArraySet<>();
 
     static {
         BUNDLED_PACKAGE_SET.add("com.android.tv");
@@ -803,6 +803,18 @@ public class Utils {
     }
 
     /**
+     * Checks whether a given input is a bundled input.
+     */
+    public static boolean isBundledInput(String inputId) {
+        for (String prefix : BUNDLED_PACKAGE_SET) {
+            if (inputId.startsWith(prefix + "/")) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
      * Returns the canonical genre ID's from the {@code genres}.
      */
     public static int[] getCanonicalGenreIds(String genres) {