// Copyright 2021 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_PRINT_PRINT_JAVA_SCRIPT_FEATURE_H_
#define IOS_CHROME_BROWSER_WEB_MODEL_PRINT_PRINT_JAVA_SCRIPT_FEATURE_H_
#include <optional>
#include "base/no_destructor.h"
#import "ios/web/public/js_messaging/java_script_feature.h"
// A feature which listens for window.print() commands.
class PrintJavaScriptFeature : public web::JavaScriptFeature {
private:
friend class base::NoDestructor<PrintJavaScriptFeature>;
friend class PrintJavaScriptFeatureTest;
PrintJavaScriptFeature();
~PrintJavaScriptFeature() override;
PrintJavaScriptFeature(const PrintJavaScriptFeature&) = delete;
PrintJavaScriptFeature& operator=(const PrintJavaScriptFeature&) = delete;
// JavaScriptFeature:
std::optional<std::string> GetScriptMessageHandlerName() const override;
void ScriptMessageReceived(web::WebState* web_state,
const web::ScriptMessage& message) override;
};
#endif // IOS_CHROME_BROWSER_WEB_MODEL_PRINT_PRINT_JAVA_SCRIPT_FEATURE_H_