1  /*
2   * Copyright (c) 2023 Huawei Device Co., Ltd.
3   * Licensed under the Apache License, Version 2.0 (the "License");
4   * you may not use this file except in compliance with the License.
5   * You may obtain a copy of the License at
6   *
7   *     http://www.apache.org/licenses/LICENSE-2.0
8   *
9   * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  #ifndef OHOS_WINDOW_FRAME_TRACE_H
17  #define OHOS_WINDOW_FRAME_TRACE_H
18  
19  #include <string>
20  namespace FRAME_TRACE {
21  
22  struct TraceHandle;
23  
24  class WindowFrameTrace {
25  public:
26      WindowFrameTrace() = default;
27      virtual ~WindowFrameTrace() = default;
VsyncStartFrameTrace()28      virtual void VsyncStartFrameTrace() {}
VsyncStopFrameTrace()29      virtual void VsyncStopFrameTrace() {}
30  };
31  
32  class WindowFrameTraceImpl : public WindowFrameTrace {
33  public:
34      WindowFrameTraceImpl() = default;
35      ~WindowFrameTraceImpl() override = default;
36      static WindowFrameTraceImpl* GetInstance();
37  #ifdef FRAME_TRACE_ENABLE
38      void VsyncStartFrameTrace() override;
39      void VsyncStopFrameTrace() override;
40  
41  private:
42      struct TraceHandle* handleUI_ = nullptr;
43      std::string intervalName_ = "ui";
44  
45      bool AccessFrameTrace();
46  #endif
47  };
48  } // namespace FRAME_TRACE
49  #endif // OHOS_WINDOW_FRAME_TRACE_H
50