| // 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. |
| |
| #import <Flutter/Flutter.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| /** |
| * A thread safe wrapper for FlutterTextureRegistry that can be called from any thread, by |
| * dispatching its underlying engine calls to the main thread. |
| */ |
| @interface FLTThreadSafeTextureRegistry : NSObject |
| |
| /** |
| * Creates a FLTThreadSafeTextureRegistry by wrapping an object conforming to |
| * FlutterTextureRegistry. |
| * @param registry The FlutterTextureRegistry object to be wrapped. |
| */ |
| - (instancetype)initWithTextureRegistry:(NSObject<FlutterTextureRegistry> *)registry; |
| |
| /** |
| * Registers a `FlutterTexture` on the main thread for usage in Flutter and returns an id that can |
| * be used to reference that texture when calling into Flutter with channels. |
| * |
| * On success the completion block completes with the pointer to the registered texture, else with |
| * 0. The completion block runs on the main thread. |
| */ |
| - (void)registerTexture:(NSObject<FlutterTexture> *)texture |
| completion:(void (^)(int64_t))completion; |
| |
| /** |
| * Notifies the Flutter engine on the main thread that the given texture has been updated. |
| */ |
| - (void)textureFrameAvailable:(int64_t)textureId; |
| |
| /** |
| * Notifies the Flutter engine on the main thread to unregister a `FlutterTexture` that has been |
| * previously registered with `registerTexture:`. |
| * @param textureId The result that was previously returned from `registerTexture:`. |
| */ |
| - (void)unregisterTexture:(int64_t)textureId; |
| |
| @end |
| |
| NS_ASSUME_NONNULL_END |
