// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IOS_CHROME_BROWSER_WEB_MODEL_CHOOSE_FILE_CHOOSE_FILE_JAVA_SCRIPT_FEATURE_H_
#define IOS_CHROME_BROWSER_WEB_MODEL_CHOOSE_FILE_CHOOSE_FILE_JAVA_SCRIPT_FEATURE_H_
#import <optional>
#import "ios/chrome/browser/web/model/choose_file/choose_file_event.h"
#import "ios/web/public/js_messaging/java_script_feature.h"
// A feature which the clicks on Choose file input and logs data about it.
class ChooseFileJavaScriptFeature : public web::JavaScriptFeature {
public:
ChooseFileJavaScriptFeature();
~ChooseFileJavaScriptFeature() override;
// This feature holds no state. Thus, a single static instance
// suffices.
static ChooseFileJavaScriptFeature* GetInstance();
// JavaScriptFeature:
std::optional<std::string> GetScriptMessageHandlerName() const override;
void ScriptMessageReceived(web::WebState* web_state,
const web::ScriptMessage& message) override;
// Logs the click on choose file input.
void LogChooseFileEvent(int accept_type, bool allow_multiple_files);
// Returns and resets `last_choose_file_event_`.
std::optional<ChooseFileEvent> ResetLastChooseFileEvent();
private:
// Latest `ChooseFileEvent` received from JavaScript.
std::optional<ChooseFileEvent> last_choose_file_event_;
};
#endif // IOS_CHROME_BROWSER_WEB_MODEL_CHOOSE_FILE_CHOOSE_FILE_JAVA_SCRIPT_FEATURE_H_