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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_DEVICE_CHANGE_OBSERVER_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_DEVICE_CHANGE_OBSERVER_H_
#include "base/memory/raw_ptr.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace content {
class RenderViewHostImpl;
// This class monitors input changes on all platforms.
//
// It is responsible to instantiate the various platforms observers
// and it gets notified whenever the input capabilities change. Whenever
// a change is detected the WebKit preferences are getting updated so the
// interactions media-queries can be updated.
class InputDeviceChangeObserver : public ui::InputDeviceEventObserver {
public:
InputDeviceChangeObserver(RenderViewHostImpl* rvh);
InputDeviceChangeObserver(const InputDeviceChangeObserver&) = delete;
InputDeviceChangeObserver& operator=(const InputDeviceChangeObserver&) =
delete;
~InputDeviceChangeObserver() override;
// InputDeviceEventObserver public overrides.
void OnInputDeviceConfigurationChanged(uint8_t input_device_types) override;
private:
raw_ptr<RenderViewHostImpl> render_view_host_impl_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_DEVICE_CHANGE_OBSERVER_H_
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