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// Copyright 2019 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.
#include "cc/layers/mirror_layer.h"
#include "cc/layers/mirror_layer_impl.h"
namespace cc {
std::unique_ptr<LayerImpl> MirrorLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
return MirrorLayerImpl::Create(tree_impl, id());
}
void MirrorLayer::PushPropertiesTo(LayerImpl* layer) {
Layer::PushPropertiesTo(layer);
auto* mirror_layer = static_cast<MirrorLayerImpl*>(layer);
mirror_layer->SetMirroredLayerId(mirrored_layer_->id());
}
void MirrorLayer::SetLayerTreeHost(LayerTreeHost* host) {
#if DCHECK_IS_ON()
if (host && host != layer_tree_host()) {
for (auto* p = parent(); p; p = p->parent())
DCHECK_NE(p, mirrored_layer_.get());
}
#endif
Layer::SetLayerTreeHost(host);
}
scoped_refptr<MirrorLayer> MirrorLayer::Create(
scoped_refptr<Layer> mirrored_layer) {
return base::WrapRefCounted(new MirrorLayer(std::move(mirrored_layer)));
}
MirrorLayer::MirrorLayer(scoped_refptr<Layer> mirrored_layer)
: mirrored_layer_(std::move(mirrored_layer)) {
DCHECK(mirrored_layer_);
mirrored_layer_->IncrementMirrorCount();
}
MirrorLayer::~MirrorLayer() {
mirrored_layer_->DecrementMirrorCount();
}
} // namespace cc
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