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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PASSWORD_MANAGER_IOS_PASSWORD_MANAGER_TAB_HELPER_H_
#define COMPONENTS_PASSWORD_MANAGER_IOS_PASSWORD_MANAGER_TAB_HELPER_H_
#import "ios/web/public/js_messaging/script_message.h"
#import "ios/web/public/web_state_user_data.h"
@class PasswordFormHelper;
namespace password_manager {
// Histogram to keep track of the status of handling password form submit
// events which only concerns the events from buttons that aren't
// <input type="submit">.
inline constexpr char kHandleFormSubmitEventHistogram[] =
"PasswordManager.iOS.HandleFormSubmitEvent";
// Tab helper which associates password manager's PasswordFormHelper with the
// given WebState. This allows access to the PasswordFormHelper instance given
// a WebState.
class PasswordManagerTabHelper
: public web::WebStateUserData<PasswordManagerTabHelper> {
public:
PasswordManagerTabHelper(const PasswordManagerTabHelper&) = delete;
PasswordManagerTabHelper& operator=(const PasswordManagerTabHelper&) = delete;
~PasswordManagerTabHelper() override;
static PasswordManagerTabHelper* GetOrCreateForWebState(
web::WebState* web_state);
// Handles `message` received from the associated web state.
void ScriptMessageReceived(const web::ScriptMessage& message);
// Sets `form_helper` as the current PasswordFormHelper instance for the
// associated web state.
void SetFormHelper(PasswordFormHelper* form_helper);
private:
friend class web::WebStateUserData<PasswordManagerTabHelper>;
explicit PasswordManagerTabHelper(web::WebState* web_state);
// The current PasswordFormHelper for the associated web state.
__weak PasswordFormHelper* password_form_helper_ = nil;
};
} // namespace password_manager
#endif // COMPONENTS_PASSWORD_MANAGER_IOS_PASSWORD_MANAGER_TAB_HELPER_H_
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