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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef COMPONENTS_AUTOFILL_CONTENT_BROWSER_REQUEST_AUTOCOMPLETE_MANAGER_H_
      6 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_REQUEST_AUTOCOMPLETE_MANAGER_H_
      7 
      8 #include "base/callback_forward.h"
      9 #include "base/memory/weak_ptr.h"
     10 #include "third_party/WebKit/public/web/WebFormElement.h"
     11 
     12 class GURL;
     13 
     14 namespace autofill {
     15 
     16 class AutofillDriverImpl;
     17 struct FormData;
     18 class FormStructure;
     19 
     20 // Driver for the requestAutocomplete flow.
     21 class RequestAutocompleteManager {
     22  public:
     23   explicit RequestAutocompleteManager(AutofillDriverImpl* autofill_driver);
     24   ~RequestAutocompleteManager();
     25 
     26   // Requests an interactive autocomplete UI to be shown for |frame_url| with
     27   // |form|.
     28   void OnRequestAutocomplete(const FormData& form, const GURL& frame_url);
     29 
     30  private:
     31   // Tells the renderer that the current interactive autocomplete dialog
     32   // finished with the |result| saying if it was successfull or not, and
     33   // |form_data| containing the filled form data.
     34   void ReturnAutocompleteResult(
     35       blink::WebFormElement::AutocompleteResult result,
     36       const FormData& form_data);
     37 
     38   // Shows the requestAutocomplete dialog for |source_url| with data from |form|
     39   // and calls |callback| once the interaction is complete.
     40   void ShowRequestAutocompleteDialog(
     41       const FormData& form,
     42       const GURL& source_url,
     43       const base::Callback<void(const FormStructure*)>& callback);
     44 
     45   // If |result| is not null, derives a FormData object from it and passes it
     46   // back to the page along an |AutocompleteResultSuccess| result. Otherwise, it
     47   // passes to the page an empty FormData along an
     48   // |AutocompleteResultErrorCancel| result.
     49   void ReturnAutocompleteData(const FormStructure* result);
     50 
     51   // The autofill driver owns and outlives |this|.
     52   AutofillDriverImpl* const autofill_driver_;  // weak.
     53 
     54   base::WeakPtrFactory<RequestAutocompleteManager> weak_ptr_factory_;
     55 };
     56 
     57 }  // namespace autofill
     58 
     59 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_REQUEST_AUTOCOMPLETE_MANAGER_H_
     60