// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
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#define V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
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#include "include/v8-platform.h"
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namespace v8 {
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namespace tracing {
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class TracingCategoryObserver : public TracingController::TraceStateObserver {
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public:
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enum Mode {
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ENABLED_BY_NATIVE = 1 << 0,
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ENABLED_BY_TRACING = 1 << 1,
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ENABLED_BY_SAMPLING = 1 << 2,
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};
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static void SetUp();
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static void TearDown();
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// v8::TracingController::TraceStateObserver
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void OnTraceEnabled() final;
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void OnTraceDisabled() final;
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private:
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static TracingCategoryObserver* instance_;
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};
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} // namespace tracing
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} // namespace v8
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#endif // V8_TRACING_TRACING_CATEGORY_OBSERVER_H_
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