chromium/chrome/browser/ui/views/global_media_controls/media_toolbar_button_view.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_UI_VIEWS_GLOBAL_MEDIA_CONTROLS_MEDIA_TOOLBAR_BUTTON_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_GLOBAL_MEDIA_CONTROLS_MEDIA_TOOLBAR_BUTTON_VIEW_H_

#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/ui/global_media_controls/media_toolbar_button_controller_delegate.h"
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "ui/base/metadata/metadata_header_macros.h"

class Browser;
class BrowserView;
class MediaNotificationService;
class MediaToolbarButtonController;
class MediaToolbarButtonObserver;
class MediaToolbarButtonContextualMenu;

// Media icon shown in the trusted area of toolbar. Its lifetime is tied to that
// of its parent ToolbarView. The icon is made visible when there is an active
// media session.
class MediaToolbarButtonView : public ToolbarButton,
                               public MediaToolbarButtonControllerDelegate { … };

#endif  // CHROME_BROWSER_UI_VIEWS_GLOBAL_MEDIA_CONTROLS_MEDIA_TOOLBAR_BUTTON_VIEW_H_