1 files changed, 66 insertions, 0 deletions
diff --git a/src/com/android/car/stream/media/MediaUtils.java b/src/com/android/car/stream/media/MediaUtils.java
new file mode 100644
index 0000000..b271b2b
--- /dev/null
+++ b/src/com/android/car/stream/media/MediaUtils.java
@@ -0,0 +1,66 @@
+/*
+ * 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.car.stream.media;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.media.MediaDescription;
+import android.service.media.MediaBrowserService;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Media related utility functions
+ */
+public final class MediaUtils {
+    /**
+     * @return True if the two media descriptions are the same.
+     */
+    public static boolean isSameMediaDescription(MediaDescription description1,
+            MediaDescription description2) {
+        if ((description1 == null) && (description2 == null)) {
+            return true;
+        }
+
+        if (description1 != null && description2 != null) {
+            return Objects.equals(description1.getTitle(), description2.getTitle())
+                    && Objects.equals(description1.getSubtitle(), description2.getSubtitle());
+        }
+        return false;
+    }
+
+    /**
+     * @return The component name of the {@link MediaBrowserService} for the given package name.
+     */
+    public static ComponentName getMediaBrowserService(String packageName,
+            Context context) {
+        Intent intent = new Intent(MediaBrowserService.SERVICE_INTERFACE);
+        List<ResolveInfo> mediaApps = context.getPackageManager()
+                .queryIntentServices(intent, PackageManager.GET_RESOLVED_FILTER);
+
+        for (int i = 0; i < mediaApps.size(); i++) {
+            ResolveInfo info = mediaApps.get(i);
+            if (packageName.equals(info.serviceInfo.packageName)) {
+                return new ComponentName(packageName, info.serviceInfo.name /* className */);
+            }
+        }
+        return null;
+    }
+}