chromium/chrome/browser/media/webrtc/same_origin_observer.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_MEDIA_WEBRTC_SAME_ORIGIN_OBSERVER_H_
#define CHROME_BROWSER_MEDIA_WEBRTC_SAME_ORIGIN_OBSERVER_H_

#include "base/functional/callback.h"
#include "content/public/browser/web_contents_observer.h"
#include "url/origin.h"

namespace content {
class WebContents;
}

// This observer class will trigger the provided callback whenever the observed
// WebContents's origin either now or no longer matches the provided origin.
// This will not trigger the callback until the navigation has been committed,
// so that WebContents::GetLastCommittedURL will return the new origin, and thus
// allow for easier code re-use. Note that that Loading hasn't actually started
// yet, so this is still suitable for listening to for, e.g., terminating a tab
// capture when a site is no longer the same origin.
class SameOriginObserver : public content::WebContentsObserver { … };

#endif  // CHROME_BROWSER_MEDIA_WEBRTC_SAME_ORIGIN_OBSERVER_H_