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      1 /*
      2  * Copyright 2019 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #pragma once
     18 
     19 #include <memory>
     20 
     21 #include <compositionengine/Layer.h>
     22 #include <compositionengine/impl/LayerCompositionState.h>
     23 #include <utils/RefBase.h>
     24 #include <utils/StrongPointer.h>
     25 
     26 namespace android::compositionengine {
     27 
     28 class CompositionEngine;
     29 class LayerFE;
     30 
     31 struct LayerCreationArgs;
     32 
     33 namespace impl {
     34 
     35 class Display;
     36 
     37 class Layer : public compositionengine::Layer {
     38 public:
     39     Layer(const CompositionEngine&, compositionengine::LayerCreationArgs&&);
     40     ~Layer() override;
     41 
     42     sp<LayerFE> getLayerFE() const override;
     43 
     44     const LayerCompositionState& getState() const override;
     45     LayerCompositionState& editState() override;
     46 
     47     void dump(std::string& result) const override;
     48 
     49 private:
     50     const compositionengine::CompositionEngine& mCompositionEngine;
     51     const wp<LayerFE> mLayerFE;
     52 
     53     LayerCompositionState mState;
     54 };
     55 
     56 std::shared_ptr<compositionengine::Layer> createLayer(const compositionengine::CompositionEngine&,
     57                                                       compositionengine::LayerCreationArgs&&);
     58 
     59 } // namespace impl
     60 } // namespace android::compositionengine
     61