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FlutterOverlayView.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_
6 #define SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_
7
8 #include <UIKit/UIKit.h>
9
10 #include <memory>
11
12 #include "flutter/fml/memory/weak_ptr.h"
13 #include "flutter/shell/common/shell.h"
14 #import "flutter/shell/platform/darwin/ios/ios_surface.h"
15
16 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h"
17
18 /// UIViews that are used by |FlutterPlatformViews| to present Flutter
19 /// rendering on top of system compositor rendering (ex. a web view).
20 ///
21 /// When there is a view composited by the system compositor within a Flutter
22 /// view hierarchy, instead of rendering into a single render target, Flutter
23 /// renders into multiple render targets (depending on the number of
24 /// interleaving levels between Flutter & non-Flutter contents). While the
25 /// FlutterView contains the backing store for the root render target, the
26 /// FlutterOverlay view contains the backing stores for the rest. The overlay
27 /// views also handle touch propagation and the like for touches that occurs
28 /// either on overlays or otherwise may be intercepted by the platform views.
29 @interface FlutterOverlayView : UIView
30
31 - (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
32 - (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
33
34 - (instancetype)init NS_DESIGNATED_INITIALIZER;
35 - (instancetype)initWithContentsScale:(CGFloat)contentsScale;
36
37 @end
38
39 #endif // SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_
initWithFrame
instancetype initWithFrame
Definition: FlutterTextInputPlugin.h:164
ios_surface.h
-[FlutterOverlayView NS_DESIGNATED_INITIALIZER]
instancetype NS_DESIGNATED_INITIALIZER()
FlutterPlatformViews_Internal.h
initWithCoder
instancetype initWithCoder
Definition: FlutterTextInputPlugin.h:163
FlutterOverlayView
Definition: FlutterOverlayView.h:29