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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_UTILITY_LAYER_UTIL_H_
#define ASH_UTILITY_LAYER_UTIL_H_
#include <memory>
#include "ash/ash_export.h"
#include "base/functional/callback.h"
namespace ui {
class Layer;
}
namespace gfx {
class Size;
}
namespace viz {
class CopyOutputResult;
}
namespace ash {
// Creates the new layer with |layer_size| using the image in |copy_result|.
ASH_EXPORT std::unique_ptr<ui::Layer> CreateLayerFromCopyOutputResult(
std::unique_ptr<viz::CopyOutputResult> copy_result,
const gfx::Size& layer_size);
using LayerCopyCallback =
base::OnceCallback<void(std::unique_ptr<ui::Layer> new_layer)>;
// Creates a new layer that has a copy of the |layer|'s content. This is an
// async API and a new layer will be passed to the |callback| when copy is done.
ASH_EXPORT void CopyLayerContentToNewLayer(ui::Layer* layer,
LayerCopyCallback callback);
using GetTargetLayerCallback = base::OnceCallback<void(ui::Layer**)>;
// Copy the content of |original_layer| to a new layer given via |callback|.
// This is an async API and |callback| is called when the copy result is ready.
ASH_EXPORT void CopyLayerContentToLayer(ui::Layer* original_layer,
GetTargetLayerCallback callback);
} // namespace ash
#endif // ASH_UTILITY_LAYER_UTIL_H_
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