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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.
// Defines the Geolocation access token store, and associated factory function.
// An access token store is responsible for providing the API to persist
// access tokens, one at a time, and to load them back on mass.
// The API is a little more complex than one might wish, due to the need for
// prefs access to happen asynchronously on the UI thread.
// This API is provided as abstract base classes to allow mocking and testing
// of clients, without dependency on browser process singleton objects etc.
#ifndef CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_
#define CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_
#include <map>
#include "base/ref_counted.h"
#include "base/string16.h"
#include "chrome/browser/cancelable_request.h"
#include "googleurl/src/gurl.h"
class GURL;
class PrefService;
// Provides storage for the access token used in the network request.
class AccessTokenStore : public base::RefCountedThreadSafe<AccessTokenStore>,
public CancelableRequestProvider {
public:
static void RegisterPrefs(PrefService* prefs);
// Map of server URLs to associated access token.
typedef std::map<GURL, string16> AccessTokenSet;
typedef Callback1<AccessTokenSet>::Type LoadAccessTokensCallbackType;
// callback will be invoked once, after existing access tokens have
// been loaded from persistent store. Takes ownership of callback.
// Returns a handle which can subsequently be used with CancelRequest().
Handle LoadAccessTokens(CancelableRequestConsumerBase* consumer,
LoadAccessTokensCallbackType* callback);
virtual void SaveAccessToken(
const GURL& server_url, const string16& access_token) = 0;
protected:
friend class base::RefCountedThreadSafe<AccessTokenStore>;
AccessTokenStore();
virtual ~AccessTokenStore();
virtual void DoLoadAccessTokens(
scoped_refptr<CancelableRequest<LoadAccessTokensCallbackType> > req) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(AccessTokenStore);
};
// Creates a new access token store backed by the global chome prefs.
AccessTokenStore* NewChromePrefsAccessTokenStore();
#endif // CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_
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