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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.
#ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
#define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
#include "chrome/browser/pref_member.h"
#include "chrome/browser/renderer_host/render_view_host_delegate.h"
#include "chrome/browser/webdata/web_data_service.h"
namespace webkit_glue {
struct FormData;
} // namespace webkit_glue
class Profile;
class TabContents;
// Per-tab Autocomplete history manager. Handles receiving form data from the
// renderer and the storing and retrieving of form data through WebDataService.
class AutocompleteHistoryManager
: public RenderViewHostDelegate::Autocomplete,
public WebDataServiceConsumer {
public:
explicit AutocompleteHistoryManager(TabContents* tab_contents);
virtual ~AutocompleteHistoryManager();
// RenderViewHostDelegate::Autocomplete implementation.
virtual void FormSubmitted(const webkit_glue::FormData& form);
virtual bool GetAutocompleteSuggestions(int query_id,
const string16& name,
const string16& prefix);
virtual void RemoveAutocompleteEntry(const string16& name,
const string16& value);
// WebDataServiceConsumer implementation.
virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
const WDTypedResult* result);
protected:
friend class AutocompleteHistoryManagerTest;
// For tests.
AutocompleteHistoryManager(Profile* profile, WebDataService* wds);
private:
void CancelPendingQuery();
void StoreFormEntriesInWebDatabase(const webkit_glue::FormData& form);
void SendSuggestions(const WDTypedResult* suggestions);
TabContents* tab_contents_;
Profile* profile_;
scoped_refptr<WebDataService> web_data_service_;
BooleanPrefMember autofill_enabled_;
// When the manager makes a request from WebDataService, the database
// is queried on another thread, we record the query handle until we
// get called back.
WebDataService::Handle pending_query_handle_;
int query_id_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteHistoryManager);
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_MANAGER_H_
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