Line data    Source code

       1             : // Copyright 2016 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #ifndef V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
       6             : #define V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
       7             : 
       8             : #include "include/v8-platform.h"
       9             : 
      10             : namespace v8 {
      11             : namespace tracing {
      12             : 
      13      176527 : class TracingCategoryObserver : public TracingController::TraceStateObserver {
      14             :  public:
      15             :   enum Mode {
      16             :     ENABLED_BY_NATIVE = 1 << 0,
      17             :     ENABLED_BY_TRACING = 1 << 1,
      18             :     ENABLED_BY_SAMPLING = 1 << 2,
      19             :   };
      20             : 
      21             :   static void SetUp();
      22             :   static void TearDown();
      23             : 
      24             :   // v8::TracingController::TraceStateObserver
      25             :   void OnTraceEnabled() final;
      26             :   void OnTraceDisabled() final;
      27             : 
      28             :  private:
      29             :   static TracingCategoryObserver* instance_;
      30             : };
      31             : 
      32             : }  // namespace tracing
      33             : }  // namespace v8
      34             : 
      35             : #endif  // V8_TRACING_TRACING_CATEGORY_OBSERVER_H_