cc/debug/traced_value.cc

   1 // Copyright (c) 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 #include "cc/debug/traced_value.h"
   6
   7 #include "base/json/json_writer.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "base/values.h"
  10
  11 namespace cc {
  12
  13 scoped_ptr<base::Value> TracedValue::CreateIDRef(const void* id) {
  14   scoped_ptr<base::DictionaryValue> res(new base::DictionaryValue());
  15   res->SetString("id_ref", base::StringPrintf("%p", id));
  16   return res.PassAs<base::Value>();
  17 }
  18
  19 void TracedValue::MakeDictIntoImplicitSnapshot(
  20     base::DictionaryValue* dict, const char* object_name, const void* id) {
  21   dict->SetString("id", base::StringPrintf("%s/%p", object_name, id));
  22 }
  23
  24 scoped_ptr<base::debug::ConvertableToTraceFormat> TracedValue::FromValue(
  25     base::Value* value) {
  26   TracedValue* ptr = new TracedValue(value);
  27   scoped_ptr<TracedValue> result(ptr);
  28   return result.PassAs<base::debug::ConvertableToTraceFormat>();
  29 }
  30
  31 TracedValue::TracedValue(base::Value* value)
  32   : value_(value) {
  33 }
  34
  35 TracedValue::~TracedValue() {
  36 }
  37
  38 void TracedValue::AppendAsTraceFormat(std::string* out) const {
  39   std::string tmp;
  40   base::JSONWriter::Write(value_.get(), &tmp);
  41   *out += tmp;
  42 }
  43
  44 }  // namespace cc