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// Copyright (c) 2011 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_RENDERER_AUTOFILL_FORM_CACHE_H_
#define CHROME_RENDERER_AUTOFILL_FORM_CACHE_H_
#pragma once
#include <map>
#include <set>
#include <vector>
#include "base/string16.h"
namespace webkit_glue {
struct FormData;
struct FormDataPredictions;
} // namespace webkit_glue
namespace WebKit {
class WebDocument;
class WebFrame;
class WebInputElement;
class WebSelectElement;
} // namespace WebKit
namespace autofill {
// Manages the forms in a RenderView.
class FormCache {
public:
FormCache();
~FormCache();
// Scans the DOM in |frame| extracting and storing forms.
// Returns a vector of the extracted forms.
void ExtractForms(const WebKit::WebFrame& frame,
std::vector<webkit_glue::FormData>* forms);
// Resets the forms for the specified |frame|.
void ResetFrame(const WebKit::WebFrame& frame);
// Clears the values of all input elements in the form that contains
// |element|. Returns false if the form is not found.
bool ClearFormWithElement(const WebKit::WebInputElement& element);
// For each field in the |form|, sets the field's placeholder text to the
// field's overall predicted type. Also sets the title to include the field's
// heuristic type, server type, and signature; as well as the form's signature
// and the experiment id for the server predictions.
bool ShowPredictions(const webkit_glue::FormDataPredictions& form);
private:
// The cached web frames.
std::set<WebKit::WebDocument> web_documents_;
// The cached initial values for <select> elements.
std::map<const WebKit::WebSelectElement, string16> initial_select_values_;
DISALLOW_COPY_AND_ASSIGN(FormCache);
};
} // namespace autofill
#endif // CHROME_RENDERER_AUTOFILL_FORM_CACHE_H_
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