| // 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 <Foundation/Foundation.h> |
| |
| #import "FlutterEngine.h" |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| /** |
| * Represents a collection of FlutterEngines who share resources which allows |
| * them to be created with less time const and occupy less memory than just |
| * creating multiple FlutterEngines. |
| * |
| * Deleting a FlutterEngineGroup doesn't invalidate existing FlutterEngines, but |
| * it eliminates the possibility to create more FlutterEngines in that group. |
| * |
| * @warning This class is a work-in-progress and may change. |
| * @see https://github.com/flutter/flutter/issues/72009 |
| */ |
| FLUTTER_EXPORT |
| @interface FlutterEngineGroup : NSObject |
| - (instancetype)init NS_UNAVAILABLE; |
| |
| /** |
| * Initialize a new FlutterEngineGroup. |
| * |
| * @param name The name that will present in the threads shared across the |
| * engines in this group. |
| * @param project The `FlutterDartProject` that all FlutterEngines in this group |
| * will be executing. |
| */ |
| - (instancetype)initWithName:(NSString*)name |
| project:(nullable FlutterDartProject*)project NS_DESIGNATED_INITIALIZER; |
| |
| /** |
| * Creates a running `FlutterEngine` that shares components with this group. |
| * |
| * @see FlutterEngineGroup |
| */ |
| - (FlutterEngine*)makeEngineWithEntrypoint:(nullable NSString*)entrypoint |
| libraryURI:(nullable NSString*)libraryURI; |
| @end |
| |
| NS_ASSUME_NONNULL_END |
