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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_RENDERER_FORM_MANAGER_H_
#define CHROME_RENDERER_FORM_MANAGER_H_
#include <map>
#include <vector>
#include "base/string16.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFormElement.h"
#include "third_party/WebKit/WebKit/chromium/public/WebInputElement.h"
#include "webkit/glue/form_data.h"
namespace WebKit {
class WebFrame;
}
// Manages the forms in a RenderView.
class FormManager {
public:
// A bitfield mask for form requirements.
typedef enum {
REQUIRE_NONE = 0x0, // No requirements.
REQUIRE_AUTOCOMPLETE = 0x1, // Require that autocomplete != off.
REQUIRE_ELEMENTS_ENABLED = 0x2 // Require that disabled attribute is off.
} RequirementsMask;
FormManager();
virtual ~FormManager();
// Scans the DOM in |frame| extracting and storing forms.
void ExtractForms(WebKit::WebFrame* frame);
// Returns a vector of forms that match |requirements|.
void GetForms(std::vector<FormData>* forms, RequirementsMask requirements);
// Finds the form that contains |input_element| and returns it in |form|.
// Returns false if the form is not found.
bool FindForm(const WebKit::WebInputElement& input_element, FormData* form);
// Fills the form represented by |form|. |form| should have the name set to
// the name of the form to fill out, and the number of elements and values
// must match the number of stored elements in the form.
// TODO(jhawkins): Is matching on name alone good enough? It's possible to
// store multiple forms with the same names from different frames.
bool FillForm(const FormData& form);
// Resets the stored set of forms.
void Reset();
private:
// A map of WebInputElements keyed by each element's name.
typedef std::map<string16, WebKit::WebInputElement> FormInputElementMap;
// Stores the WebFormElement and the map of input elements for each form.
struct FormElement {
WebKit::WebFormElement form_element;
FormInputElementMap input_elements;
};
// A map of vectors of FormElements keyed by the WebFrame containing each
// form.
typedef std::map<WebKit::WebFrame*, std::vector<FormElement*> >
WebFrameFormElementMap;
// Resets the forms for the specified |frame|.
void ResetFrame(WebKit::WebFrame* frame);
// Converts a FormElement to FormData storage.
// TODO(jhawkins): Modify FormElement so we don't need |frame|.
void FormElementToFormData(WebKit::WebFrame* frame,
const FormElement* form_element,
RequirementsMask requirements,
FormData* form);
// The map of form elements.
WebFrameFormElementMap form_elements_map_;
DISALLOW_COPY_AND_ASSIGN(FormManager);
};
#endif // CHROME_RENDERER_FORM_MANAGER_H_
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