| // 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 SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_ |
| #define SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_ |
| |
| #include <UIKit/UIKit.h> |
| |
| #include <memory> |
| |
| #include "flutter/fml/memory/weak_ptr.h" |
| #include "flutter/shell/common/shell.h" |
| #import "flutter/shell/platform/darwin/ios/ios_context_gl.h" |
| #import "flutter/shell/platform/darwin/ios/ios_surface.h" |
| #import "flutter/shell/platform/darwin/ios/ios_surface_gl.h" |
| |
| #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h" |
| |
| /// UIViews that are used by |FlutterPlatformViews| to present Flutter |
| /// rendering on top of system compositor rendering (ex. a web view). |
| /// |
| /// When there is a view composited by the system compositor within a Flutter |
| /// view hierarchy, instead of rendering into a single render target, Flutter |
| /// renders into multiple render targets (depending on the number of |
| /// interleaving levels between Flutter & non-Flutter contents). While the |
| /// FlutterView contains the backing store for the root render target, the |
| /// FlutterOverlay view contains the backing stores for the rest. The overlay |
| /// views also handle touch propagation and the like for touches that occurs |
| /// either on overlays or otherwise may be intercepted by the platform views. |
| @interface FlutterOverlayView : UIView |
| |
| - (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE; |
| - (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE; |
| |
| - (instancetype)init NS_DESIGNATED_INITIALIZER; |
| - (instancetype)initWithContentsScale:(CGFloat)contentsScale; |
| |
| @end |
| |
| #endif // SHELL_PLATFORM_IOS_FRAMEWORK_SOURCE_FLUTTER_OVERLAY_VIEW_H_ |