cc/layers/shared_element_layer_impl.h

// Copyright 2021 The Chromium 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 CC_LAYERS_SHARED_ELEMENT_LAYER_IMPL_H_
#define CC_LAYERS_SHARED_ELEMENT_LAYER_IMPL_H_

#include <memory>

#include "cc/cc_export.h"
#include "cc/layers/layer_impl.h"
#include "components/viz/common/shared_element_resource_id.h"

namespace cc {

class CC_EXPORT SharedElementLayerImpl : public LayerImpl {
 public:
  static std::unique_ptr<SharedElementLayerImpl> Create(
      LayerTreeImpl* tree_impl,
      int id,
      const viz::SharedElementResourceId& resource_id);

  SharedElementLayerImpl(const SharedElementLayerImpl&) = delete;
  ~SharedElementLayerImpl() override;

  SharedElementLayerImpl& operator=(const SharedElementLayerImpl&) = delete;

  // LayerImpl overrides.
  std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  void AppendQuads(viz::CompositorRenderPass* render_pass,
                   AppendQuadsData* append_quads_data) override;

 protected:
  SharedElementLayerImpl(LayerTreeImpl* tree_impl,
                         int id,
                         const viz::SharedElementResourceId& resource_id);

 private:
  const char* LayerTypeAsString() const override;

  const viz::SharedElementResourceId resource_id_;
};

}  // namespace cc

#endif  // CC_LAYERS_SHARED_ELEMENT_LAYER_IMPL_H_