cc/debug/traced_value.h

   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 scoped_ptr<ConvertableToTraceFormat> FromValue(
  30       base::Value* value);
  31
  32   virtual ~TracedValue();
  33
  34   virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE;
  35
  36  private:
  37   explicit TracedValue(base::Value* value);
  38
  39   scoped_ptr<base::Value> value_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(TracedValue);
  42 };
  43
  44 }  // namespace cc
  45
  46 #endif  // CC_DEBUG_TRACED_VALUE_H_