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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.
#ifndef CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
#define CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
namespace base {
class FilePath;
}
class ProfileManager;
// This class loads profiles asynchronously and calls the provided callback once
// the profile is ready. Only the callback for the most recent load request is
// called, and only if the load was successful.
//
// This is useful for loading profiles in response to user interaction where
// only the latest requested profile is required.
class ProfileLoader {
public:
explicit ProfileLoader(ProfileManager* profile_manager);
~ProfileLoader();
bool IsAnyProfileLoading() const;
void InvalidatePendingProfileLoads();
void LoadProfileInvalidatingOtherLoads(
const base::FilePath& profile_file_path,
base::Callback<void(Profile*)> callback);
protected:
// These just call through to the ProfileManager.
// Virtual so they can be mocked out in tests.
virtual Profile* GetProfileByPath(const base::FilePath& path);
virtual void CreateProfileAsync(
const base::FilePath& profile_path,
const ProfileManager::CreateCallback& callback,
const string16& name,
const string16& icon_url,
bool is_managed);
private:
void OnProfileLoaded(int profile_load_sequence_id,
base::Callback<void(Profile*)> callback,
Profile* profile,
Profile::CreateStatus status);
void IncrementPendingProfileLoads();
void DecrementPendingProfileLoads();
ProfileManager* profile_manager_;
int profile_load_sequence_id_;
int pending_profile_loads_;
base::WeakPtrFactory<ProfileLoader> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ProfileLoader);
};
#endif // CHROME_BROWSER_PROFILES_PROFILE_LOADER_H_
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