FlutterView.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_SOURCE_FLUTTERVIEW_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_FLUTTERVIEW_H_
 
#import <Metal/Metal.h>
#import <UIKit/UIKit.h>
 
#include "flutter/shell/common/rasterizer.h"
#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h"
 
@protocol FlutterViewEngineDelegate <NSObject>
 
@property(nonatomic, readonly) BOOL isUsingImpeller;
@property(nonatomic, readonly) FlutterPlatformViewsController* platformViewsController;
 
- (flutter::Rasterizer::Screenshot)takeScreenshot:(flutter::Rasterizer::ScreenshotType)type
                                  asBase64Encoded:(BOOL)base64Encode;
 
/**
 * A callback that is called when iOS queries accessibility information of the Flutter view.
 *
 * This is useful to predict the current iOS accessibility status. For example, there is
 * no API to listen whether voice control is turned on or off. The Flutter engine uses
 * this callback to enable semantics in order to catch the case that voice control is
 * on.
 */
- (void)flutterViewAccessibilityDidCall;
@end
 
@interface FlutterView : UIView
 
- (instancetype)init NS_UNAVAILABLE;
+ (instancetype)new NS_UNAVAILABLE;
- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
- (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
 
- (instancetype)initWithDelegate:(id<FlutterViewEngineDelegate>)delegate
                          opaque:(BOOL)opaque
                 enableWideGamut:(BOOL)isWideGamutEnabled NS_DESIGNATED_INITIALIZER;
 
- (UIScreen*)screen;
- (MTLPixelFormat)pixelFormat;
 
// Set by FlutterEngine or FlutterViewController to override software rendering.
@property(class, nonatomic) BOOL forceSoftwareRendering;
@end
 
#endif  // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_FRAMEWORK_SOURCE_FLUTTERVIEW_H_