Merge "APIs to measure and delete contributed files."
diff --git a/api/system-current.txt b/api/system-current.txt
index 9873c37..ebf21bc 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -4533,6 +4533,11 @@
     field public static final int FLAG_REMOVABLE_USB = 524288; // 0x80000
   }
 
+  public final class MediaStore {
+    method public static void deleteContributedMedia(android.content.Context, java.lang.String);
+    method public static long getContributedMediaSize(android.content.Context, java.lang.String);
+  }
+
   public abstract class SearchIndexableData {
     ctor public SearchIndexableData();
     ctor public SearchIndexableData(android.content.Context);
diff --git a/api/test-current.txt b/api/test-current.txt
index b6a42ec..fd7fc43 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -983,6 +983,11 @@
     field public static final android.net.Uri CORP_CONTENT_URI;
   }
 
+  public final class MediaStore {
+    method public static void deleteContributedMedia(android.content.Context, java.lang.String);
+    method public static long getContributedMediaSize(android.content.Context, java.lang.String);
+  }
+
   public final class Settings {
     field public static final java.lang.String ACTION_ENTERPRISE_PRIVACY_SETTINGS = "android.settings.ENTERPRISE_PRIVACY_SETTINGS";
   }
diff --git a/core/java/android/provider/MediaStore.java b/core/java/android/provider/MediaStore.java
index 0299e41..1451165 100644
--- a/core/java/android/provider/MediaStore.java
+++ b/core/java/android/provider/MediaStore.java
@@ -16,11 +16,15 @@
 
 package android.provider;
 
+import android.annotation.BytesLong;
 import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
 import android.annotation.SdkConstant;
 import android.annotation.SdkConstant.SdkConstantType;
+import android.annotation.SystemApi;
+import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
 import android.app.Activity;
 import android.app.AppGlobals;
@@ -102,6 +106,11 @@
     /** {@hide} */
     public static final String GET_MEDIA_URI_CALL = "get_media_uri";
 
+    /** {@hide} */
+    public static final String GET_CONTRIBUTED_MEDIA_CALL = "get_contributed_media";
+    /** {@hide} */
+    public static final String DELETE_CONTRIBUTED_MEDIA_CALL = "delete_contributed_media";
+
     /**
      * This is for internal use by the media scanner only.
      * Name of the (optional) Uri parameter that determines whether to skip deleting
@@ -2865,4 +2874,47 @@
             throw e.rethrowAsRuntimeException();
         }
     }
+
+    /**
+     * Calculate size of media contributed by given package under the calling
+     * user. The meaning of "contributed" means it won't automatically be
+     * deleted when the app is uninstalled.
+     *
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    @RequiresPermission(android.Manifest.permission.CLEAR_APP_USER_DATA)
+    public static @BytesLong long getContributedMediaSize(Context context, String packageName) {
+        try (ContentProviderClient client = context.getContentResolver()
+                .acquireContentProviderClient(AUTHORITY)) {
+            final Bundle in = new Bundle();
+            in.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
+            final Bundle out = client.call(GET_CONTRIBUTED_MEDIA_CALL, null, in);
+            return out.getLong(Intent.EXTRA_INDEX);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
+
+    /**
+     * Delete all media contributed by given package under the calling user. The
+     * meaning of "contributed" means it won't automatically be deleted when the
+     * app is uninstalled.
+     *
+     * @hide
+     */
+    @SystemApi
+    @TestApi
+    @RequiresPermission(android.Manifest.permission.CLEAR_APP_USER_DATA)
+    public static void deleteContributedMedia(Context context, String packageName) {
+        try (ContentProviderClient client = context.getContentResolver()
+                .acquireContentProviderClient(AUTHORITY)) {
+            final Bundle in = new Bundle();
+            in.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
+            client.call(DELETE_CONTRIBUTED_MEDIA_CALL, null, in);
+        } catch (RemoteException e) {
+            throw e.rethrowAsRuntimeException();
+        }
+    }
 }