chromium/ui/ozone/platform/wayland/host/wayland_event_source.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_EVENT_SOURCE_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_EVENT_SOURCE_H_

#include <deque>
#include <memory>
#include <optional>
#include <ostream>

#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"
#include "ui/events/keycodes/dom/dom_code.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/events/pointer_details.h"
#include "ui/events/types/event_type.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/ozone/platform/wayland/common/wayland_util.h"
#include "ui/ozone/platform/wayland/host/wayland_input_method_context.h"
#include "ui/ozone/platform/wayland/host/wayland_keyboard.h"
#include "ui/ozone/platform/wayland/host/wayland_pointer.h"
#include "ui/ozone/platform/wayland/host/wayland_touch.h"
#include "ui/ozone/platform/wayland/host/wayland_window_observer.h"
#include "ui/ozone/platform/wayland/host/wayland_zwp_pointer_gestures.h"
#include "ui/ozone/platform/wayland/host/wayland_zwp_relative_pointer_manager.h"

struct wl_display;

namespace gfx {
class Vector2dF;
}

namespace ui {

class WaylandConnection;
class WaylandWindow;
class WaylandWindowManager;
class WaylandEventWatcher;

// Wayland implementation of ui::PlatformEventSource. It polls for events
// through WaylandEventWatcher and centralizes the input and focus handling
// logic within Ozone Wayland backend. In order to do so, it also implements the
// input objects' delegate interfaces, which are the entry point of event data
// coming from input devices, e.g: wl_{keyboard,pointer,touch}, which are then
// pre-processed, translated into ui::Event instances and dispatched to the
// PlatformEvent system.
class WaylandEventSource : public PlatformEventSource,
                           public WaylandWindowObserver,
                           public WaylandKeyboard::Delegate,
                           public WaylandPointer::Delegate,
                           public WaylandTouch::Delegate,
                           public WaylandZwpPointerGestures::Delegate,
                           public WaylandZwpRelativePointerManager::Delegate { … };

}  // namespace ui
#endif  // UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_EVENT_SOURCE_H_