1 // Copyright 2013 The Chromium 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 CC_DEBUG_TRACED_VALUE_H_ 6 #define CC_DEBUG_TRACED_VALUE_H_ 7 8 #include <string> 9 10 #include "base/debug/trace_event.h" 11 #include "base/memory/scoped_ptr.h" 12 13 namespace base { 14 class DictionaryValue; 15 class Value; 16 } 17 namespace cc { 18 19 class TracedValue : public base::debug::ConvertableToTraceFormat { 20 public: 21 static scoped_ptr<base::Value> CreateIDRef(const void* id); 22 static void MakeDictIntoImplicitSnapshot( 23 base::DictionaryValue* dict, const char* object_name, const void* id); 24 static void MakeDictIntoImplicitSnapshotWithCategory( 25 const char* category, 26 base::DictionaryValue* dict, 27 const char* object_name, 28 const void* id); 29 static void MakeDictIntoImplicitSnapshotWithCategory( 30 const char* category, 31 base::DictionaryValue* dict, 32 const char* object_base_type_name, 33 const char* object_name, 34 const void* id); 35 static scoped_refptr<base::debug::ConvertableToTraceFormat> FromValue( 36 base::Value* value); 37 38 virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE; 39 40 private: 41 explicit TracedValue(base::Value* value); 42 virtual ~TracedValue(); 43 44 scoped_ptr<base::Value> value_; 45 46 DISALLOW_COPY_AND_ASSIGN(TracedValue); 47 }; 48 49 template <class T> 50 static scoped_refptr<base::debug::ConvertableToTraceFormat> ToTrace(T* t) { 51 return TracedValue::FromValue(t->AsValue().release()); 52 } 53 54 template <class T> 55 static scoped_refptr<base::debug::ConvertableToTraceFormat> ToTrace( 56 const T& t) { 57 return ToTrace(&t); 58 } 59 60 } // namespace cc 61 62 #endif // CC_DEBUG_TRACED_VALUE_H_ 63
