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/*
* Copyright (C) 2017 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(LIBWPE) && ENABLE(TOUCH_EVENTS)
#include "WebWheelEvent.h"
#include <variant>
#include <wpe/wpe.h>
#include <wtf/TZoneMalloc.h>
namespace WebKit {
class TouchGestureController {
WTF_MAKE_TZONE_ALLOCATED(TouchGestureController);
public:
TouchGestureController() = default;
enum class GesturedEvent {
None,
Click,
ContextMenu,
Axis,
};
struct NoEvent { };
struct ClickEvent {
struct wpe_input_pointer_event event;
};
struct ContextMenuEvent {
struct wpe_input_pointer_event event;
};
struct AxisEvent {
#if WPE_CHECK_VERSION(1, 5, 0)
struct wpe_input_axis_2d_event event;
#else
struct wpe_input_axis_event event;
#endif
WebWheelEvent::Phase phase;
};
using EventVariant = std::variant<NoEvent, ClickEvent, ContextMenuEvent, AxisEvent>;
GesturedEvent gesturedEvent() const { return m_gesturedEvent; }
EventVariant handleEvent(const struct wpe_input_touch_event_raw*);
private:
GesturedEvent m_gesturedEvent { GesturedEvent::None };
struct {
bool active { false };
uint32_t time { 0 };
int32_t x { 0 };
int32_t y { 0 };
} m_start;
struct {
int32_t x { 0 };
int32_t y { 0 };
} m_offset;
bool m_xAxisLockBroken { false };
bool m_yAxisLockBroken { false };
};
} // namespace WebKit
#endif // USE(LIBWPE) && ENABLE(TOUCH_EVENTS)
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