profile_loader.cc revision 1320f92c476a1ad9d19dba2a48c72b75566198e9
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/ui/app_list/profile_loader.h" 6 7#include "base/bind.h" 8#include "base/files/file_path.h" 9#include "chrome/browser/apps/scoped_keep_alive.h" 10#include "chrome/browser/ui/app_list/profile_store.h" 11 12ProfileLoader::ProfileLoader(ProfileStore* profile_store) 13 : profile_store_(profile_store), 14 profile_load_sequence_id_(0), 15 pending_profile_loads_(0), 16 weak_factory_(this) { 17} 18 19ProfileLoader::~ProfileLoader() { 20} 21 22bool ProfileLoader::IsAnyProfileLoading() const { 23 return pending_profile_loads_ > 0; 24} 25 26void ProfileLoader::InvalidatePendingProfileLoads() { 27 ++profile_load_sequence_id_; 28} 29 30void ProfileLoader::LoadProfileInvalidatingOtherLoads( 31 const base::FilePath& profile_file_path, 32 base::Callback<void(Profile*)> callback) { 33 InvalidatePendingProfileLoads(); 34 35 Profile* profile = profile_store_->GetProfileByPath(profile_file_path); 36 if (profile) { 37 callback.Run(profile); 38 return; 39 } 40 41 IncrementPendingProfileLoads(); 42 profile_store_->LoadProfileAsync( 43 profile_file_path, 44 base::Bind(&ProfileLoader::OnProfileLoaded, 45 weak_factory_.GetWeakPtr(), 46 profile_load_sequence_id_, 47 callback)); 48} 49 50void ProfileLoader::OnProfileLoaded(int profile_load_sequence_id, 51 base::Callback<void(Profile*)> callback, 52 Profile* profile) { 53 DecrementPendingProfileLoads(); 54 if (profile_load_sequence_id == profile_load_sequence_id_) 55 callback.Run(profile); 56} 57 58void ProfileLoader::IncrementPendingProfileLoads() { 59 pending_profile_loads_++; 60 if (pending_profile_loads_ == 1) 61 keep_alive_.reset(new ScopedKeepAlive); 62} 63 64void ProfileLoader::DecrementPendingProfileLoads() { 65 pending_profile_loads_--; 66 if (pending_profile_loads_ == 0) 67 keep_alive_.reset(); 68} 69