chromium/components/js_injection/browser/navigation_web_message_sender.h

// Copyright 2024 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_JS_INJECTION_BROWSER_NAVIGATION_WEB_MESSAGE_SENDER_H_
#define COMPONENTS_JS_INJECTION_BROWSER_NAVIGATION_WEB_MESSAGE_SENDER_H_

#include <string>

#include "base/values.h"
#include "content/public/browser/page_user_data.h"
#include "content/public/browser/web_contents_observer.h"

namespace content {
class NavigationHandle;
class Page;
}  // namespace content

features  // namespace features

namespace js_injection {

class EmptyReplyProxy;
class WebMessageHost;
class WebMessageHostFactory;
struct WebMessage;

// A special interceptor for "navigation listener" WebMessageListeners where
// instead of establishing a connection with the renderer, a navigation observer
// is created on the browser, to inject navigation-related notification
// messages to the embedder.
//
// The NavigationWebMessageSender is 1:1 with Page, and navigation messages
// related to a certain Page will be sent by the NavigationWebMessageSender
// associated with that Page.
// See https://crbug.com/332809183 on why this is needed.
class NavigationWebMessageSender
    : public content::PageUserData<NavigationWebMessageSender>,
      public content::WebContentsObserver { … };

}  // namespace js_injection

#endif  // COMPONENTS_JS_INJECTION_BROWSER_NAVIGATION_WEB_MESSAGE_SENDER_H_