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// 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 CHROME_BROWSER_PERMISSIONS_ONE_TIME_PERMISSIONS_TRACKER_HELPER_H_
#define CHROME_BROWSER_PERMISSIONS_ONE_TIME_PERMISSIONS_TRACKER_HELPER_H_
#include "chrome/browser/media/webrtc/media_stream_capture_indicator.h"
#include "content/public/browser/visibility.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
// This class informs OneTimePermissionsTracker of pages being loaded, navigated
// or destroyed in each tab. This information is then used by the
// OneTimePermissionProvider to revoke permissions.
class OneTimePermissionsTrackerHelper
: public content::WebContentsObserver,
public content::WebContentsUserData<OneTimePermissionsTrackerHelper>,
public MediaStreamCaptureIndicator::Observer {
public:
~OneTimePermissionsTrackerHelper() override;
OneTimePermissionsTrackerHelper(const OneTimePermissionsTrackerHelper&) =
delete;
OneTimePermissionsTrackerHelper& operator=(
const OneTimePermissionsTrackerHelper&) = delete;
// content::WebContentObserver
void PrimaryPageChanged(content::Page& page) override;
void WebContentsDestroyed() override;
void OnVisibilityChanged(content::Visibility visibility) override;
void DidStartNavigation(
content::NavigationHandle* navigation_handle) override;
void WasDiscarded() override;
// MediaStreamCaptureIndicator::Observer
void OnIsCapturingVideoChanged(content::WebContents* web_contents,
bool is_capturing_video) override;
void OnIsCapturingAudioChanged(content::WebContents* web_contents,
bool is_capturing_audio) override;
private:
explicit OneTimePermissionsTrackerHelper(content::WebContents* webContents);
friend class content::WebContentsUserData<OneTimePermissionsTrackerHelper>;
// Keep track of the previous discard status as discard status is cleared from
// the WebContents before propagating navigation events.
bool was_discarded_ = false;
std::optional<url::Origin> last_committed_origin_;
std::optional<content::Visibility> last_visibility_;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
#endif // CHROME_BROWSER_PERMISSIONS_ONE_TIME_PERMISSIONS_TRACKER_HELPER_H_
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