chromium/components/zoom/zoom_controller.h

// Copyright 2012 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_ZOOM_ZOOM_CONTROLLER_H_
#define COMPONENTS_ZOOM_ZOOM_CONTROLLER_H_

#include <memory>
#include <optional>

#include "base/compiler_specific.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/observer_list.h"
#include "components/prefs/pref_member.h"
#include "content/public/browser/host_zoom_map.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"

class ZoomControllerTest;

namespace content {
class WebContents;
}

namespace zoom {
class ZoomObserver;

class ZoomRequestClient : public base::RefCounted<ZoomRequestClient> { … };

// Per-tab class to manage zoom changes and the Omnibox zoom icon. Lives on the
// UI thread.
class ZoomController : public content::WebContentsObserver,
                       public content::WebContentsUserData<ZoomController> { … };

}  // namespace zoom

#endif  // COMPONENTS_ZOOM_ZOOM_CONTROLLER_H_