| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package io.flutter.view; |
| |
| import android.graphics.SurfaceTexture; |
| |
| // TODO(mattcarroll): re-evalute docs in this class and add nullability annotations. |
| /** |
| * Registry of backend textures used with a single {@link FlutterView} instance. Entries may be |
| * embedded into the Flutter view using the <a |
| * href="https://docs.flutter.io/flutter/widgets/Texture-class.html">Texture</a> widget. |
| */ |
| public interface TextureRegistry { |
| /** |
| * Creates and registers a SurfaceTexture managed by the Flutter engine. |
| * |
| * @return A SurfaceTextureEntry. |
| */ |
| SurfaceTextureEntry createSurfaceTexture(); |
| |
| /** A registry entry for a managed SurfaceTexture. */ |
| interface SurfaceTextureEntry { |
| /** @return The managed SurfaceTexture. */ |
| SurfaceTexture surfaceTexture(); |
| |
| /** @return The identity of this SurfaceTexture. */ |
| long id(); |
| |
| /** Deregisters and releases this SurfaceTexture. */ |
| void release(); |
| } |
| } |