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// Copyright (c) 2013 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 COMPONENTS_AUTOFILL_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_
#define COMPONENTS_AUTOFILL_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_
#include <string>
#include <vector>
#include "base/timer.h"
#include "net/url_request/url_fetcher_delegate.h"
class GURL;
namespace content {
class BrowserContext;
}
namespace net {
class URLFetcher;
class URLRequestContextGetter;
}
namespace autofill {
namespace autocheckout {
// Downloads and caches the list of URL prefixes whitelisted for use with
// Autocheckout.
class WhitelistManager : public net::URLFetcherDelegate {
public:
WhitelistManager();
virtual ~WhitelistManager();
// Schedule a fetch of the Autocheckout whitelist file if it's not already
// loaded. This helps ensure that the whitelist will be available by the time
// the user navigates to a form on which Autocheckout should be enabled.
void Init(net::URLRequestContextGetter* context_getter);
// Matches the url with whitelist and return the matched url prefix.
// Returns empty string when it is not matched.
std::string GetMatchedURLPrefix(const GURL& url) const;
protected:
// Schedules a future call to TriggerDownload if one isn't already pending.
virtual void ScheduleDownload(size_t interval_seconds);
// Start the download timer. It is called by ScheduleDownload(), and exposed
// as a separate method for mocking out in tests.
virtual void StartDownloadTimer(size_t interval_seconds);
// Timer callback indicating it's time to download whitelist from server.
void TriggerDownload();
// Used by tests only.
void StopDownloadTimer();
const std::vector<std::string>& url_prefixes() const {
return url_prefixes_;
}
private:
// Implements net::URLFetcherDelegate.
virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
// Parse whitelist data and build whitelist.
void BuildWhitelist(const std::string& data);
// A list of whitelisted url prefixes.
std::vector<std::string> url_prefixes_;
base::OneShotTimer<WhitelistManager> download_timer_;
// Indicates that the last triggered download hasn't resolved yet.
bool callback_is_pending_;
// The context for the request.
net::URLRequestContextGetter* context_getter_; // WEAK
// State of the kEnableExperimentalFormFilling flag.
const bool experimental_form_filling_enabled_;
// State of the kBypassAutocheckoutWhitelist flag.
const bool bypass_autocheckout_whitelist_;
// The request object.
scoped_ptr<net::URLFetcher> request_;
DISALLOW_COPY_AND_ASSIGN(WhitelistManager);
};
} // namespace autocheckout
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_BROWSER_AUTOCHECKOUT_WHITELIST_MANAGER_H_
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