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// Copyright 2015 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_BLINK_WEB_COMPOSITOR_MUTABLE_STATE_PROVIDER_IMPL_H_
#define CC_BLINK_WEB_COMPOSITOR_MUTABLE_STATE_PROVIDER_IMPL_H_
#include "base/compiler_specific.h"
#include "base/containers/hash_tables.h"
#include "cc/animation/layer_tree_mutation.h"
#include "cc/blink/cc_blink_export.h"
#include "third_party/WebKit/public/platform/WebCompositorMutableStateProvider.h"
namespace cc {
class LayerTreeImpl;
} // namespace cc
namespace cc_blink {
class WebCompositorMutableStateProviderImpl
: public blink::WebCompositorMutableStateProvider {
public:
// TODO(vollick): after slimming paint v2, this will need to operate on
// property trees, not the layer tree impl.
//
// The LayerTreeImpl and the LayerTreeMutationMap are both owned by caller.
CC_BLINK_EXPORT WebCompositorMutableStateProviderImpl(
cc::LayerTreeImpl* state,
cc::LayerTreeMutationMap* mutations);
CC_BLINK_EXPORT ~WebCompositorMutableStateProviderImpl() override;
CC_BLINK_EXPORT blink::WebPassOwnPtr<blink::WebCompositorMutableState>
getMutableStateFor(uint64_t element_id) override WARN_UNUSED_RESULT;
private:
cc::LayerTreeImpl* state_;
cc::LayerTreeMutationMap* mutations_;
};
} // namespace cc_blink
#endif // CC_BLINK_WEB_COMPOSITOR_MUTABLE_STATE_PROVIDER_IMPL_H_
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