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// Copyright 2018 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_TOUCH_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_TOUCH_H_
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "ui/events/pointer_details.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
namespace gfx {
class PointF;
} // namespace gfx
namespace wl {
enum class EventDispatchPolicy;
}
namespace ui {
class WaylandConnection;
class WaylandWindow;
class WaylandTouch {
public:
class Delegate;
WaylandTouch(wl_touch* touch,
WaylandConnection* connection,
Delegate* delegate);
WaylandTouch(const WaylandTouch&) = delete;
WaylandTouch& operator=(const WaylandTouch&) = delete;
~WaylandTouch();
uint32_t id() const { return obj_.id(); }
private:
// wl_touch_listener callbacks:
static void OnTouchDown(void* data,
wl_touch* touch,
uint32_t serial,
uint32_t time,
struct wl_surface* surface,
int32_t id,
wl_fixed_t x,
wl_fixed_t y);
static void OnTouchUp(void* data,
wl_touch* touch,
uint32_t serial,
uint32_t time,
int32_t id);
static void OnTouchMotion(void* data,
wl_touch* touch,
uint32_t time,
int32_t id,
wl_fixed_t x,
wl_fixed_t y);
static void OnTouchShape(void* data,
wl_touch* touch,
int32_t id,
wl_fixed_t major,
wl_fixed_t minor);
static void OnTouchOrientation(void* data,
wl_touch* touch,
int32_t id,
wl_fixed_t orientation);
static void OnTouchCancel(void* data, wl_touch* touch);
static void OnTouchFrame(void* data, wl_touch* touch);
wl::Object<wl_touch> obj_;
const raw_ptr<WaylandConnection> connection_;
const raw_ptr<Delegate> delegate_;
};
class WaylandTouch::Delegate {
public:
virtual void OnTouchPressEvent(WaylandWindow* window,
const gfx::PointF& location,
base::TimeTicks timestamp,
PointerId id,
wl::EventDispatchPolicy dispatch_policy) = 0;
virtual void OnTouchReleaseEvent(base::TimeTicks timestamp,
PointerId id,
wl::EventDispatchPolicy dispatch_policy,
bool is_synthesized) = 0;
virtual void OnTouchMotionEvent(const gfx::PointF& location,
base::TimeTicks timestamp,
PointerId id,
wl::EventDispatchPolicy dispatch_policy,
bool is_synthesized) = 0;
virtual void OnTouchCancelEvent() = 0;
virtual void OnTouchFrame() = 0;
virtual void OnTouchFocusChanged(WaylandWindow* window) = 0;
virtual std::vector<PointerId> GetActiveTouchPointIds() = 0;
virtual const WaylandWindow* GetTouchTarget(PointerId id) const = 0;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_WAYLAND_TOUCH_H_
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