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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.
#ifndef CHROME_BROWSER_AUTOFILL_AUTOCOMPLETE_HISTORY_MANAGER_H_
#define CHROME_BROWSER_AUTOFILL_AUTOCOMPLETE_HISTORY_MANAGER_H_
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/prefs/public/pref_member.h"
#include "chrome/browser/api/webdata/autofill_web_data_service.h"
#include "chrome/browser/api/webdata/web_data_service_consumer.h"
#include "content/public/browser/web_contents_observer.h"
struct FormData;
namespace content {
class BrowserContext;
}
class AutofillExternalDelegate;
// Per-tab Autocomplete history manager. Handles receiving form data
// from the renderer and the storing and retrieving of form data
// through WebDataServiceBase.
class AutocompleteHistoryManager : public content::WebContentsObserver,
public WebDataServiceConsumer {
public:
explicit AutocompleteHistoryManager(content::WebContents* web_contents);
virtual ~AutocompleteHistoryManager();
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
// WebDataServiceConsumer implementation.
virtual void OnWebDataServiceRequestDone(
WebDataServiceBase::Handle h,
const WDTypedResult* result) OVERRIDE;
// Pass-through functions that are called by AutofillManager, after it has
// dispatched a message.
void OnGetAutocompleteSuggestions(
int query_id,
const string16& name,
const string16& prefix,
const std::vector<string16>& autofill_values,
const std::vector<string16>& autofill_labels,
const std::vector<string16>& autofill_icons,
const std::vector<int>& autofill_unique_ids);
void OnFormSubmitted(const FormData& form);
// Must be public for the external delegate to use.
void OnRemoveAutocompleteEntry(const string16& name, const string16& value);
// Sets our external delegate.
void SetExternalDelegate(AutofillExternalDelegate* delegate);
protected:
friend class AutocompleteHistoryManagerTest;
friend class AutofillManagerTest;
FRIEND_TEST_ALL_PREFIXES(AutocompleteHistoryManagerTest, ExternalDelegate);
FRIEND_TEST_ALL_PREFIXES(AutofillManagerTest,
TestTabContentsWithExternalDelegate);
// For tests.
AutocompleteHistoryManager(content::WebContents* web_contents,
content::BrowserContext* context,
scoped_ptr<AutofillWebDataService> wds);
void SendSuggestions(const std::vector<string16>* suggestions);
void CancelPendingQuery();
// Exposed for testing.
AutofillExternalDelegate* external_delegate() {
return external_delegate_;
}
private:
content::BrowserContext* browser_context_;
scoped_ptr<AutofillWebDataService> autofill_data_;
BooleanPrefMember autofill_enabled_;
// When the manager makes a request from WebDataServiceBase, the database is
// queried on another thread, we record the query handle until we get called
// back. We also store the autofill results so we can send them together.
WebDataServiceBase::Handle pending_query_handle_;
int query_id_;
std::vector<string16> autofill_values_;
std::vector<string16> autofill_labels_;
std::vector<string16> autofill_icons_;
std::vector<int> autofill_unique_ids_;
// Delegate to perform external processing (display, selection) on
// our behalf. Weak.
AutofillExternalDelegate* external_delegate_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteHistoryManager);
};
#endif // CHROME_BROWSER_AUTOFILL_AUTOCOMPLETE_HISTORY_MANAGER_H_
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