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// Copyright 2017 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 COMPONENTS_AUTOFILL_IOS_BROWSER_AUTOFILL_UTIL_H_
#define COMPONENTS_AUTOFILL_IOS_BROWSER_AUTOFILL_UTIL_H_
#include <vector>
#import "ios/web/public/web_state/web_frame.h"
#import "ios/web/public/web_state/web_state.h"
class GURL;
namespace autofill {
struct FormData;
struct FormFieldData;
// Checks if current context is secure from an autofill standpoint.
bool IsContextSecureForWebState(web::WebState* web_state);
// Tries to parse a JSON string into base::Value. Returns nullptr if parsing is
// unsuccessful.
std::unique_ptr<base::Value> ParseJson(NSString* json_string);
// Processes the JSON form data extracted from the page into the format expected
// by AutofillManager and fills it in |forms_data|.
// |forms_data| cannot be nil.
// |filtered| and |form_name| limit the field that will be returned in
// |forms_data|.
// Returns a bool indicating the success value and the vector of form data.
bool ExtractFormsData(NSString* form_json,
bool filtered,
const base::string16& form_name,
const GURL& main_frame_url,
const GURL& frame_origin,
std::vector<FormData>* forms_data);
// Converts |form| into |form_data|.
// Returns false if a form can not be extracted.
// Returns false if |filtered| == true and |form["name"]| != |formName|.
// Returns false if |form["origin"]| != |form_frame_origin|.
// Returns true if the conversion succeeds.
bool ExtractFormData(const base::Value& form,
bool filtered,
const base::string16& form_name,
const GURL& main_frame_url,
const GURL& form_frame_origin,
FormData* form_data);
// Extracts a single form field from the JSON dictionary into a FormFieldData
// object.
// Returns false if the field could not be extracted.
bool ExtractFormFieldData(const base::DictionaryValue& field,
FormFieldData* field_data);
// Executes the JavaScript function using WebState of WebFrame functions
// depending on the value of IsAutofillIFrameMessagingEnabled.
// If |callback| is not null, it will be called when the result of the
// command is received, or immediately if the command cannot be executed.
// It will call the either |ExecuteJavaScriptFunctionInWebFrame:...| or
// |ExecuteJavaScriptFunctionInWebState:...| depending on the
// IsAutofillIFrameMessagingEnabled value.
void ExecuteJavaScriptFunction(const std::string& name,
const std::vector<base::Value>& parameters,
web::WebFrame* frame,
CRWJSInjectionReceiver* js_injection_receiver,
base::OnceCallback<void(NSString*)> callback);
void ExecuteJavaScriptFunctionInWebFrame(
const std::string& name,
const std::vector<base::Value>& parameters,
web::WebFrame* frame,
base::OnceCallback<void(NSString*)> callback);
void ExecuteJavaScriptFunctionInWebState(
const std::string& name,
const std::vector<base::Value>& parameters,
CRWJSInjectionReceiver* js_injection_receiver,
base::OnceCallback<void(NSString*)> callback);
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_IOS_BROWSER_AUTOFILL_UTIL_H_
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