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// Copyright (c) 2010 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_IMPORTER_IMPORTER_LIST_H_
#define CHROME_BROWSER_IMPORTER_IMPORTER_LIST_H_
#pragma once
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/platform_thread.h"
#include "base/ref_counted.h"
#include "base/scoped_vector.h"
#include "build/build_config.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/importer/importer_data_types.h"
class Importer;
class ImporterList : public base::RefCountedThreadSafe<ImporterList> {
public:
// Any class calling DetectSourceProfiles() must implement this interface in
// order to be called back when the source profiles are loaded.
class Observer {
public:
virtual void SourceProfilesLoaded() = 0;
protected:
virtual ~Observer() {}
};
static Importer* CreateImporterByType(importer::ProfileType type);
ImporterList();
// Detects the installed browsers and their associated profiles, then
// stores their information in a list. It returns the list of description
// of all profiles. Calls into DetectSourceProfilesWorker() on the FILE thread
// to do the real work of detecting source profiles. |observer| must be
// non-NULL.
void DetectSourceProfiles(Observer* observer);
// DEPRECATED: This method is synchronous and performs file operations which
// may end up blocking the current thread, which is usually the UI thread.
void DetectSourceProfilesHack();
// Returns the number of different browser profiles you can import from.
int GetAvailableProfileCount() const;
// Returns the name of the profile at the 'index' slot. The profiles are
// ordered such that the profile at index 0 is the likely default browser.
std::wstring GetSourceProfileNameAt(int index) const;
// Returns the ProfileInfo at the specified index. The ProfileInfo should be
// passed to StartImportSettings().
const importer::ProfileInfo& GetSourceProfileInfoAt(int index) const;
// Returns the ProfileInfo with the given browser type.
const importer::ProfileInfo& GetSourceProfileInfoForBrowserType(
int browser_type) const;
// Returns true if the source profiles have been loaded.
bool source_profiles_loaded() const;
private:
friend class base::RefCountedThreadSafe<ImporterList>;
~ImporterList();
// The worker method for DetectSourceProfiles(). Must be called on the FILE
// thread.
void DetectSourceProfilesWorker();
// Called by DetectSourceProfilesWorker() on the source thread. This method
// notifies |observer_| that the source profiles are loaded. |profiles| is
// the vector of loaded profiles.
void SourceProfilesLoaded(
const std::vector<importer::ProfileInfo*>& profiles);
// The list of profiles with the default one first.
ScopedVector<importer::ProfileInfo> source_profiles_;
// The ID of the thread DetectSourceProfiles() is called on. Only valid after
// DetectSourceProfiles() is called and until SourceProfilesLoaded() has
// returned.
BrowserThread::ID source_thread_id_;
// Weak reference. Only valid after DetectSourceProfiles() is called and until
// SourceProfilesLoaded() has returned.
Observer* observer_;
// True if source profiles are loaded.
bool source_profiles_loaded_;
DISALLOW_COPY_AND_ASSIGN(ImporterList);
};
#endif // CHROME_BROWSER_IMPORTER_IMPORTER_LIST_H_
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