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// Copyright (c) 2011 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_H_
#define CHROME_BROWSER_IMPORTER_IMPORTER_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
class ImporterBridge;
namespace importer {
struct SourceProfile;
}
// The base class of all importers.
class Importer : public base::RefCountedThreadSafe<Importer> {
public:
// All importers should implement this method by adding their import logic.
// And it will be run in file thread by ImporterHost. Since we do async
// import, the importer should invoke ImporterHost::NotifyImportEnded() to
// notify its host that import stuff have been finished.
virtual void StartImport(const importer::SourceProfile& source_profile,
uint16 items,
ImporterBridge* bridge) = 0;
// Cancels the import process.
virtual void Cancel();
bool cancelled() const { return cancelled_; }
protected:
friend class base::RefCountedThreadSafe<Importer>;
Importer();
virtual ~Importer();
scoped_refptr<ImporterBridge> bridge_;
private:
// True if the caller cancels the import process.
bool cancelled_;
DISALLOW_COPY_AND_ASSIGN(Importer);
};
#endif // CHROME_BROWSER_IMPORTER_IMPORTER_H_
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