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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_LAYERS_VIEW_TRANSITION_CONTENT_LAYER_H_
#define CC_LAYERS_VIEW_TRANSITION_CONTENT_LAYER_H_
#include <memory>
#include "base/logging.h"
#include "cc/cc_export.h"
#include "cc/layers/layer.h"
#include "components/viz/common/view_transition_element_resource_id.h"
namespace cc {
// A layer that renders a texture cached in the Viz process.
class CC_EXPORT ViewTransitionContentLayer : public Layer {
public:
static scoped_refptr<ViewTransitionContentLayer> Create(
const viz::ViewTransitionElementResourceId& resource_id,
bool is_live_content_layer);
ViewTransitionContentLayer(const ViewTransitionContentLayer&) = delete;
ViewTransitionContentLayer& operator=(const ViewTransitionContentLayer&) =
delete;
viz::ViewTransitionElementResourceId ViewTransitionResourceId()
const override;
// Layer overrides.
std::unique_ptr<LayerImpl> CreateLayerImpl(
LayerTreeImpl* tree_impl) const override;
bool is_live_content_layer_for_testing() const {
return is_live_content_layer_;
}
// This is a superset of the captured rect, in the element's enclosing layer's
// coordinate space. If not set, it's assumed that the layer is already sized
// to match the originating element's painted contents (e.g. the root element,
// or displaying captured snapshots of the old content).
void SetMaxExtentsRectInOriginatingLayerSpace(
const gfx::RectF& max_extents_rect_in_originating_layer_space);
protected:
explicit ViewTransitionContentLayer(
const viz::ViewTransitionElementResourceId& resource_id,
bool is_live_content_layer);
void PushDirtyPropertiesTo(
LayerImpl* layer,
uint8_t dirty_flag,
const CommitState& commit_state,
const ThreadUnsafeCommitState& unsafe_state) override;
private:
~ViewTransitionContentLayer() override;
const viz::ViewTransitionElementResourceId resource_id_;
const bool is_live_content_layer_;
ProtectedSequenceReadable<gfx::RectF> max_extents_rect_;
};
} // namespace cc
#endif // CC_LAYERS_VIEW_TRANSITION_CONTENT_LAYER_H_
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