1 /*
2  * Copyright 2020 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 <string>
20 
21 #include <ui/GraphicTypes.h>
22 #include <ui/Transform.h>
23 #include <utils/StrongPointer.h>
24 
25 #include "RenderArea.h"
26 
27 namespace android {
28 
29 class DisplayDevice;
30 class Layer;
31 class SurfaceFlinger;
32 
33 class LayerRenderArea : public RenderArea {
34 public:
35     LayerRenderArea(SurfaceFlinger& flinger, sp<Layer> layer, const Rect& crop, ui::Size reqSize,
36                     ui::Dataspace reqDataSpace, bool childrenOnly, const Rect& layerStackRect,
37                     bool allowSecureLayers);
38 
39     const ui::Transform& getTransform() const override;
40     Rect getBounds() const override;
41     int getHeight() const override;
42     int getWidth() const override;
43     bool isSecure() const override;
44     bool needsFiltering() const override;
45     sp<const DisplayDevice> getDisplayDevice() const override;
46     Rect getSourceCrop() const override;
47 
48     void render(std::function<void()> drawLayers) override;
49 
50 private:
51     const sp<Layer> mLayer;
52     const Rect mCrop;
53 
54     ui::Transform mTransform;
55     bool mNeedsFiltering = false;
56 
57     SurfaceFlinger& mFlinger;
58     const bool mChildrenOnly;
59 };
60 
61 } // namespace android