Flutter Engine
ios_surface.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 FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_H_
6 #define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_H_
7 
8 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h"
9 
10 #include <memory>
11 
12 #include "flutter/flow/embedded_views.h"
13 #include "flutter/flow/surface.h"
14 #include "flutter/fml/macros.h"
15 #include "flutter/fml/platform/darwin/scoped_nsobject.h"
16 
17 @class CALayer;
18 
19 namespace flutter {
20 
21 // Returns true if the app explicitly specified to use the iOS view embedding
22 // mechanism which is still in a release preview.
24 
25 class IOSSurface {
26  public:
27  static std::unique_ptr<IOSSurface> Create(std::shared_ptr<IOSContext> context,
29 
30  std::shared_ptr<IOSContext> GetContext() const;
31 
32  virtual ~IOSSurface();
33 
34  virtual bool IsValid() const = 0;
35 
36  virtual void UpdateStorageSizeIfNecessary() = 0;
37 
38  // Creates a GPU surface. If no GrDirectContext is supplied and the rendering mode
39  // supports one, a new one will be created; otherwise, the software backend
40  // will be used.
41  //
42  // If a GrDirectContext is supplied, creates a secondary surface.
43  virtual std::unique_ptr<Surface> CreateGPUSurface(GrDirectContext* gr_context = nullptr) = 0;
44 
45  protected:
46  explicit IOSSurface(std::shared_ptr<IOSContext> ios_context);
47 
48  private:
49  std::shared_ptr<IOSContext> ios_context_;
50 
51  FML_DISALLOW_COPY_AND_ASSIGN(IOSSurface);
52 };
53 
54 } // namespace flutter
55 
56 #endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_H_
std::shared_ptr< IOSContext > GetContext() const
Definition: ios_surface.mm:55
virtual std::unique_ptr< Surface > CreateGPUSurface(GrDirectContext *gr_context=nullptr)=0
virtual bool IsValid() const =0
bool IsIosEmbeddedViewsPreviewEnabled()
virtual void UpdateStorageSizeIfNecessary()=0
IOSSurface(std::shared_ptr< IOSContext > ios_context)
Definition: ios_surface.mm:48
static std::unique_ptr< IOSSurface > Create(std::shared_ptr< IOSContext > context, fml::scoped_nsobject< CALayer > layer)
Definition: ios_surface.mm:18