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// Copyright 2015 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 EXTENSIONS_BROWSER_UPDATER_UPDATE_DATA_PROVIDER_H_
#define EXTENSIONS_BROWSER_UPDATER_UPDATE_DATA_PROVIDER_H_
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
namespace base {
class FilePath;
}
namespace content {
class BrowserContext;
}
namespace update_client {
struct CrxComponent;
}
namespace extensions {
// This class exists to let an UpdateClient retrieve information about a set of
// extensions it is doing an update check for.
class UpdateDataProvider : public base::RefCounted<UpdateDataProvider> {
public:
typedef base::Callback<void(content::BrowserContext* context,
const std::string& /* extension_id */,
const base::FilePath& /* temp_dir */)>
InstallCallback;
// We need a browser context to use when retrieving data for a set of
// extension ids, as well as a callback for proceeding with installation
// steps once the UpdateClient has downloaded and unpacked an update for an
// extension.
UpdateDataProvider(content::BrowserContext* context,
const InstallCallback& callback);
// Notify this object that the associated browser context is being shut down
// the pointer to the context should be dropped and no more work should be
// done.
void Shutdown();
// Matches update_client::UpdateClient::CrxDataCallback
void GetData(const std::vector<std::string>& ids,
std::vector<update_client::CrxComponent>* data);
private:
friend class base::RefCounted<UpdateDataProvider>;
~UpdateDataProvider();
void RunInstallCallback(const std::string& extension_id,
const base::FilePath& temp_dir);
content::BrowserContext* context_;
InstallCallback callback_;
DISALLOW_COPY_AND_ASSIGN(UpdateDataProvider);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_UPDATER_UPDATE_DATA_PROVIDER_H_
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