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      1 /*
      2  * Copyright (C) 2015 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 #ifndef ANDROID_HWUI_LAYER_UPDATE_QUEUE_H
     18 #define ANDROID_HWUI_LAYER_UPDATE_QUEUE_H
     19 
     20 #include "Rect.h"
     21 #include "utils/Macros.h"
     22 
     23 #include <vector>
     24 #include <unordered_map>
     25 
     26 namespace android {
     27 namespace uirenderer {
     28 
     29 class RenderNode;
     30 
     31 class LayerUpdateQueue {
     32     PREVENT_COPY_AND_ASSIGN(LayerUpdateQueue);
     33 public:
     34     struct Entry {
     35         Entry(RenderNode* renderNode, const Rect& damage)
     36                 : renderNode(renderNode)
     37                 , damage(damage) {}
     38         RenderNode* renderNode;
     39         Rect damage;
     40     };
     41 
     42     LayerUpdateQueue() {}
     43     void enqueueLayerWithDamage(RenderNode* renderNode, Rect dirty);
     44     void clear();
     45     const std::vector<Entry>& entries() const { return mEntries; }
     46 private:
     47     std::vector<Entry> mEntries;
     48 };
     49 
     50 }; // namespace uirenderer
     51 }; // namespace android
     52 
     53 #endif // ANDROID_HWUI_LAYER_UPDATE_QUEUE_H
     54