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// Copyright 2014 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_COMPONENT_UPDATER_SUPERVISED_USER_WHITELIST_INSTALLER_H_
#define CHROME_BROWSER_COMPONENT_UPDATER_SUPERVISED_USER_WHITELIST_INSTALLER_H_
#include <string>
#include <vector>
#include "base/callback_forward.h"
#include "base/memory/scoped_ptr.h"
namespace base {
class FilePath;
}
namespace component_updater {
class ComponentUpdateService;
class OnDemandUpdater;
class SupervisedUserWhitelistInstaller {
public:
typedef base::Callback<void(const base::FilePath& whitelist_path)>
WhitelistReadyCallback;
virtual ~SupervisedUserWhitelistInstaller() {}
static scoped_ptr<SupervisedUserWhitelistInstaller> Create(
ComponentUpdateService* cus);
// Turns a CRX ID (which is derived from a hash) back into a hash.
// Note that the resulting hash will be only 16 bytes long instead of the
// usual 32 bytes, as the CRX ID is created from the first half of the
// original hash, but the component installer will still accept this.
// Public for testing.
static std::vector<uint8_t> GetHashFromCrxId(const std::string& crx_id);
// Registers a new whitelist with the given CRX ID and name.
// |new_installation| should be set to true if the whitelist is not installed
// locally yet, to trigger installation.
// |callback| will be called when the whitelist is installed (for new
// installations) or updated.
virtual void RegisterWhitelist(const std::string& crx_id,
const std::string& name,
bool new_installation,
const WhitelistReadyCallback& callback) = 0;
// Unregisters a whitelist.
virtual void UnregisterWhitelist(const std::string& crx_id) = 0;
protected:
// Triggers an update for a whitelist to be installed. Protected so it can be
// called from the implementation subclass, and declared here so that the
// OnDemandUpdater can friend this class and the implementation subclass can
// live in an anonymous namespace.
static void TriggerComponentUpdate(OnDemandUpdater* updater,
const std::string& crx_id);
};
} // namespace component_updater
#endif // CHROME_BROWSER_COMPONENT_UPDATER_SUPERVISED_USER_WHITELIST_INSTALLER_H_
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