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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/app_list/profile_loader.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "chrome/browser/lifetime/keep_alive_types.h"
#include "chrome/browser/lifetime/scoped_keep_alive.h"
#include "chrome/browser/ui/app_list/profile_store.h"
#include "chrome/browser/ui/user_manager.h"
ProfileLoader::ProfileLoader(ProfileStore* profile_store)
: profile_store_(profile_store),
profile_load_sequence_id_(0),
pending_profile_loads_(0),
weak_factory_(this) {
}
ProfileLoader::~ProfileLoader() {
}
bool ProfileLoader::IsAnyProfileLoading() const {
return pending_profile_loads_ > 0;
}
void ProfileLoader::InvalidatePendingProfileLoads() {
++profile_load_sequence_id_;
}
void ProfileLoader::LoadProfileInvalidatingOtherLoads(
const base::FilePath& profile_file_path,
base::Callback<void(Profile*)> callback) {
InvalidatePendingProfileLoads();
if (profile_store_->IsProfileLocked(profile_file_path)) {
UserManager::Show(base::FilePath(),
profiles::USER_MANAGER_NO_TUTORIAL,
profiles::USER_MANAGER_SELECT_PROFILE_APP_LAUNCHER);
return;
}
Profile* profile = profile_store_->GetProfileByPath(profile_file_path);
if (profile) {
callback.Run(profile);
return;
}
IncrementPendingProfileLoads();
profile_store_->LoadProfileAsync(
profile_file_path,
base::Bind(&ProfileLoader::OnProfileLoaded,
weak_factory_.GetWeakPtr(),
profile_load_sequence_id_,
callback));
}
void ProfileLoader::OnProfileLoaded(int profile_load_sequence_id,
base::Callback<void(Profile*)> callback,
Profile* profile) {
DecrementPendingProfileLoads();
if (profile_load_sequence_id == profile_load_sequence_id_)
callback.Run(profile);
}
void ProfileLoader::IncrementPendingProfileLoads() {
pending_profile_loads_++;
if (pending_profile_loads_ == 1)
keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::PROFILE_LOADER,
KeepAliveRestartOption::DISABLED));
}
void ProfileLoader::DecrementPendingProfileLoads() {
pending_profile_loads_--;
if (pending_profile_loads_ == 0)
keep_alive_.reset();
}
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