File: profile_key_startup_accessor.cc

package info (click to toggle)
chromium 138.0.7204.183-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,080,960 kB
  • sloc: cpp: 34,937,079; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,954; 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: 21,811; 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 (42 lines) | stat: -rw-r--r-- 1,286 bytes parent folder | download | duplicates (4) 
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
38
39
40
41
42
 
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/android/profile_key_startup_accessor.h"

#include <type_traits>

#include "base/check.h"
#include "base/no_destructor.h"

ProfileKeyStartupAccessor::ProfileKeyStartupAccessor() : key_(nullptr) {}

// Hack to satisfy the compiler: ProfileKeyStartupAccessor's raw_ptr member
// may or may not be trivially destructible. If it isn't we have to use
// NoDestructor; if it is, we must not use NoDestructor. We use constexpr if
// to choose which to do, but the compiler will complain about the unused
// branch unless it's inside of a template, which is why this function exists.
template <typename T>
T* GetInstanceTemplated() {
  if constexpr (std::is_trivially_destructible_v<T>) {
    static T instance;
    return &instance;
  } else {
    static base::NoDestructor<T> instance;
    return instance.get();
  }
}

// static
ProfileKeyStartupAccessor* ProfileKeyStartupAccessor::GetInstance() {
  return GetInstanceTemplated<ProfileKeyStartupAccessor>();
}

void ProfileKeyStartupAccessor::SetProfileKey(ProfileKey* key) {
  DCHECK(!key_);
  key_ = key;
}

void ProfileKeyStartupAccessor::Reset() {
  key_ = nullptr;
}