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      1 /*
      2  * Copyright (C) 2016 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 <utils/RefBase.h>
     20 #include <utils/Log.h>
     21 
     22 #include "FrameInfo.h"
     23 #include "FrameMetricsObserver.h"
     24 
     25 #include <string.h>
     26 #include <vector>
     27 
     28 namespace android {
     29 namespace uirenderer {
     30 
     31 class FrameMetricsReporter {
     32 public:
     33     FrameMetricsReporter() {}
     34 
     35     void addObserver(FrameMetricsObserver* observer) {
     36         mObservers.push_back(observer);
     37     }
     38 
     39     bool removeObserver(FrameMetricsObserver* observer) {
     40         for (size_t i = 0; i < mObservers.size(); i++) {
     41             if (mObservers[i].get() == observer) {
     42                 mObservers.erase(mObservers.begin() + i);
     43                 return true;
     44             }
     45         }
     46         return false;
     47     }
     48 
     49     bool hasObservers() {
     50         return mObservers.size() > 0;
     51     }
     52 
     53     void reportFrameMetrics(const int64_t* stats) {
     54         for (size_t i = 0; i < mObservers.size(); i++) {
     55             mObservers[i]->notify(stats);
     56         }
     57     }
     58 
     59 private:
     60     std::vector< sp<FrameMetricsObserver> > mObservers;
     61 };
     62 
     63 }; // namespace uirenderer
     64 }; // namespace android
     65 
     66