cpd/build/ios/Debug-iphoneos/Flutter.framework/Headers/FlutterHeadlessDartRunner.h

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// 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.
#ifndef FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_HEADERS_FLUTTERHEADLESSDARTRUNNER_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_HEADERS_FLUTTERHEADLESSDARTRUNNER_H_
#import <Foundation/Foundation.h>
#import "FlutterBinaryMessenger.h"
#import "FlutterDartProject.h"
#import "FlutterEngine.h"
#import "FlutterMacros.h"
/**
* A callback for when FlutterHeadlessDartRunner has attempted to start a Dart
* Isolate in the background.
*
* @param success YES if the Isolate was started and run successfully, NO
* otherwise.
*/
typedef void (^FlutterHeadlessDartRunnerCallback)(BOOL success);
/**
* The deprecated FlutterHeadlessDartRunner runs Flutter Dart code with a null rasterizer,
* and no native drawing surface. It is appropriate for use in running Dart
* code e.g. in the background from a plugin.
*
* Most callers should prefer using `FlutterEngine` directly; this interface exists
* for legacy support.
*/
FLUTTER_DARWIN_EXPORT
FLUTTER_DEPRECATED("FlutterEngine should be used rather than FlutterHeadlessDartRunner")
@interface FlutterHeadlessDartRunner : FlutterEngine
/**
* Initialize this FlutterHeadlessDartRunner with a `FlutterDartProject`.
*
* If the FlutterDartProject is not specified, the FlutterHeadlessDartRunner will attempt to locate
* the project in a default location.
*
* A newly initialized engine will not run the `FlutterDartProject` until either
* `-runWithEntrypoint:` or `-runWithEntrypoint:libraryURI` is called.
*
* @param labelPrefix The label prefix used to identify threads for this instance. Should
* be unique across FlutterEngine instances
* @param projectOrNil The `FlutterDartProject` to run.
*/
- (instancetype)initWithName:(NSString*)labelPrefix project:(FlutterDartProject*)projectOrNil;
/**
* Initialize this FlutterHeadlessDartRunner with a `FlutterDartProject`.
*
* If the FlutterDartProject is not specified, the FlutterHeadlessDartRunner will attempt to locate
* the project in a default location.
*
* A newly initialized engine will not run the `FlutterDartProject` until either
* `-runWithEntrypoint:` or `-runWithEntrypoint:libraryURI` is called.
*
* @param labelPrefix The label prefix used to identify threads for this instance. Should
* be unique across FlutterEngine instances
* @param projectOrNil The `FlutterDartProject` to run.
* @param allowHeadlessExecution Must be set to `YES`.
*/
- (instancetype)initWithName:(NSString*)labelPrefix
project:(FlutterDartProject*)projectOrNil
allowHeadlessExecution:(BOOL)allowHeadlessExecution;
/**
* Initialize this FlutterHeadlessDartRunner with a `FlutterDartProject`.
*
* If the FlutterDartProject is not specified, the FlutterHeadlessDartRunner will attempt to locate
* the project in a default location.
*
* A newly initialized engine will not run the `FlutterDartProject` until either
* `-runWithEntrypoint:` or `-runWithEntrypoint:libraryURI` is called.
*
* @param labelPrefix The label prefix used to identify threads for this instance. Should
* be unique across FlutterEngine instances
* @param projectOrNil The `FlutterDartProject` to run.
* @param allowHeadlessExecution Must be set to `YES`.
* @param restorationEnabled Must be set to `NO`.
*/
- (instancetype)initWithName:(NSString*)labelPrefix
project:(FlutterDartProject*)projectOrNil
allowHeadlessExecution:(BOOL)allowHeadlessExecution
restorationEnabled:(BOOL)restorationEnabled NS_DESIGNATED_INITIALIZER;
/**
* Not recommended for use - will initialize with a default label ("io.flutter.headless")
* and the default FlutterDartProject.
*/
- (instancetype)init;
@end
#endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_HEADERS_FLUTTERHEADLESSDARTRUNNER_H_