File: get_per_context_data.h

package info (click to toggle)
chromium 138.0.7204.183-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,908 kB
  • sloc: cpp: 34,937,088; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (37 lines) | stat: -rw-r--r-- 1,347 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef EXTENSIONS_RENDERER_BINDINGS_GET_PER_CONTEXT_DATA_H_
#define EXTENSIONS_RENDERER_BINDINGS_GET_PER_CONTEXT_DATA_H_

#include "gin/per_context_data.h"
#include "v8/include/v8.h"

namespace extensions {

enum CreatePerContextData { kCreateIfMissing, kDontCreateIfMissing };

template <typename PerContextData, typename... ConstructorArgs>
PerContextData* GetPerContextData(v8::Local<v8::Context> context,
                                  CreatePerContextData should_create,
                                  ConstructorArgs... constructor_args) {
  gin::PerContextData* per_context_data = gin::PerContextData::From(context);
  if (!per_context_data)
    return nullptr;
  auto* data = static_cast<PerContextData*>(
      per_context_data->GetUserData(PerContextData::kPerContextDataKey));

  if (!data && should_create == kCreateIfMissing) {
    auto created_data = std::make_unique<PerContextData>(constructor_args...);
    data = created_data.get();
    per_context_data->SetUserData(PerContextData::kPerContextDataKey,
                                  std::move(created_data));
  }

  return data;
}

}  // namespace extensions

#endif  // EXTENSIONS_RENDERER_BINDINGS_GET_PER_CONTEXT_DATA_H_