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#include "chrome/browser/profiles/profile_loader.h"
6
7#include "base/bind.h"
8#include "base/files/file_path.h"
9#include "base/memory/weak_ptr.h"
10#include "chrome/browser/lifetime/application_lifetime.h"
11#include "chrome/browser/profiles/profile_manager.h"
12
13ProfileLoader::ProfileLoader(ProfileManager* profile_manager)
14  : profile_manager_(profile_manager),
15    profile_load_sequence_id_(0),
16    pending_profile_loads_(0),
17    weak_factory_(this) {
18}
19
20ProfileLoader::~ProfileLoader() {
21}
22
23bool ProfileLoader::IsAnyProfileLoading() const {
24  return pending_profile_loads_ > 0;
25}
26
27void ProfileLoader::InvalidatePendingProfileLoads() {
28  ++profile_load_sequence_id_;
29}
30
31void ProfileLoader::LoadProfileInvalidatingOtherLoads(
32    const base::FilePath& profile_file_path,
33    base::Callback<void(Profile*)> callback) {
34  InvalidatePendingProfileLoads();
35
36  Profile* profile = GetProfileByPath(profile_file_path);
37  if (profile) {
38    callback.Run(profile);
39    return;
40  }
41
42  IncrementPendingProfileLoads();
43  CreateProfileAsync(
44      profile_file_path,
45      base::Bind(&ProfileLoader::OnProfileLoaded,
46                 weak_factory_.GetWeakPtr(),
47                 profile_load_sequence_id_,
48                 callback),
49      string16(), string16(), std::string());
50}
51
52Profile* ProfileLoader::GetProfileByPath(const base::FilePath& path) {
53  return profile_manager_->GetProfileByPath(path);
54}
55
56void ProfileLoader::CreateProfileAsync(
57    const base::FilePath& profile_path,
58    const ProfileManager::CreateCallback& callback,
59    const string16& name,
60    const string16& icon_url,
61    const std::string& managed_user_id) {
62  profile_manager_->CreateProfileAsync(
63      profile_path, callback, name, icon_url, managed_user_id);
64}
65
66void ProfileLoader::OnProfileLoaded(int profile_load_sequence_id,
67                                    base::Callback<void(Profile*)> callback,
68                                    Profile* profile,
69                                    Profile::CreateStatus status) {
70  switch (status) {
71    case Profile::CREATE_STATUS_CREATED:
72      break;
73    case Profile::CREATE_STATUS_INITIALIZED:
74      if (profile_load_sequence_id == profile_load_sequence_id_)
75        callback.Run(profile);
76      DecrementPendingProfileLoads();
77      break;
78    case Profile::CREATE_STATUS_LOCAL_FAIL:
79    case Profile::CREATE_STATUS_REMOTE_FAIL:
80    case Profile::CREATE_STATUS_CANCELED:
81      DecrementPendingProfileLoads();
82      break;
83    case Profile::MAX_CREATE_STATUS:
84      NOTREACHED();
85      break;
86  }
87}
88
89void ProfileLoader::IncrementPendingProfileLoads() {
90  pending_profile_loads_++;
91  if (pending_profile_loads_ == 1)
92    chrome::StartKeepAlive();
93}
94
95void ProfileLoader::DecrementPendingProfileLoads() {
96  pending_profile_loads_--;
97  if (pending_profile_loads_ == 0)
98    chrome::EndKeepAlive();
99}
100