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// Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_
#define CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_
#include <map>
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/strings/string16.h"
#include "content/common/content_export.h"
#include "googleurl/src/gurl.h"
class GURL;
namespace net {
class URLRequestContextGetter;
}
namespace content {
// Provides storage for the access token used in the network request.
class AccessTokenStore : public base::RefCountedThreadSafe<AccessTokenStore> {
public:
// Map of server URLs to associated access token.
typedef std::map<GURL, string16> AccessTokenSet;
typedef base::Callback<void(AccessTokenSet, net::URLRequestContextGetter*)>
LoadAccessTokensCallbackType;
// |callback| will be invoked once per LoadAccessTokens call, after existing
// access tokens have been loaded from persistent store. As a convenience the
// URLRequestContextGetter is also supplied as an argument in |callback|, as
// in Chrome the call to obtain this must also be performed on the UI thread
// so it is efficient to piggyback it onto this request.
// Takes ownership of |callback|.
virtual void LoadAccessTokens(
const LoadAccessTokensCallbackType& callback) = 0;
virtual void SaveAccessToken(
const GURL& server_url, const string16& access_token) = 0;
protected:
friend class base::RefCountedThreadSafe<AccessTokenStore>;
CONTENT_EXPORT AccessTokenStore() {}
CONTENT_EXPORT virtual ~AccessTokenStore() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_
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