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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_IOS_SURFACE_H_
#define FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_H_
#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h"
#include <memory>
#include "flutter/flow/embedded_views.h"
#include "flutter/flow/surface.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/platform/darwin/scoped_nsobject.h"
@class CALayer;
namespace flutter {
// Returns true if the app explicitly specified to use the iOS view embedding
// mechanism which is still in a release preview.
bool IsIosEmbeddedViewsPreviewEnabled();
class IOSSurface {
public:
static std::unique_ptr<IOSSurface> Create(std::shared_ptr<IOSContext> context,
const fml::scoped_nsobject<CALayer>& layer);
std::shared_ptr<IOSContext> GetContext() const;
virtual ~IOSSurface();
virtual bool IsValid() const = 0;
virtual void UpdateStorageSizeIfNecessary() = 0;
// Creates a GPU surface. If no GrDirectContext is supplied and the rendering mode
// supports one, a new one will be created; otherwise, the software backend
// will be used.
//
// If a GrDirectContext is supplied, creates a secondary surface.
virtual std::unique_ptr<Surface> CreateGPUSurface(GrDirectContext* gr_context = nullptr) = 0;
protected:
explicit IOSSurface(std::shared_ptr<IOSContext> ios_context);
private:
std::shared_ptr<IOSContext> ios_context_;
FML_DISALLOW_COPY_AND_ASSIGN(IOSSurface);
};
} // namespace flutter
#endif // FLUTTER_SHELL_PLATFORM_DARWIN_IOS_IOS_SURFACE_H_