| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TracedValue_h |
| #define TracedValue_h |
| |
| #include "base/memory/ref_counted.h" |
| #include "platform/EventTracer.h" |
| #include "wtf/text/WTFString.h" |
| #include <memory> |
| |
| namespace base { |
| namespace trace_event { |
| class TracedValue; |
| } |
| } |
| |
| namespace blink { |
| |
| // TracedValue copies all passed names and values and doesn't retain references. |
| class PLATFORM_EXPORT TracedValue final { |
| WTF_MAKE_NONCOPYABLE(TracedValue); |
| |
| public: |
| ~TracedValue(); |
| |
| static std::unique_ptr<TracedValue> create(); |
| |
| void endDictionary(); |
| void endArray(); |
| |
| void setInteger(const char* name, int value); |
| void setDouble(const char* name, double); |
| void setBoolean(const char* name, bool value); |
| void setString(const char* name, const String& value); |
| void beginArray(const char* name); |
| void beginDictionary(const char* name); |
| |
| void pushInteger(int); |
| void pushDouble(double); |
| void pushBoolean(bool); |
| void pushString(const String&); |
| void beginArray(); |
| void beginDictionary(); |
| |
| String toString() const; |
| |
| private: |
| TracedValue(); |
| |
| // This will be moved (and become null) when TracedValue is passed to |
| // EventTracer::addTraceEvent(). |
| std::unique_ptr<base::trace_event::TracedValue> m_tracedValue; |
| |
| friend class EventTracer; |
| }; |
| |
| } // namespace blink |
| |
| #endif // TracedValue_h |