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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* 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.
*/
#include "config.h"
#include "WebTouchEvent.h"
#if ENABLE(TOUCH_EVENTS)
#include "ArgumentCoders.h"
#include <WebCore/RemoteFrameGeometryTransformer.h>
namespace WebKit {
#if !PLATFORM(IOS_FAMILY)
WebTouchEvent::WebTouchEvent(WebEvent&& event, Vector<WebPlatformTouchPoint>&& touchPoints, Vector<WebTouchEvent>&& coalescedEvents, Vector<WebTouchEvent>&& predictedEvents)
: WebEvent(WTFMove(event))
, m_touchPoints(WTFMove(touchPoints))
, m_coalescedEvents(WTFMove(coalescedEvents))
, m_predictedEvents(WTFMove(predictedEvents))
{
ASSERT(isTouchEventType(type()));
}
bool WebTouchEvent::isTouchEventType(WebEventType type)
{
return type == WebEventType::TouchStart || type == WebEventType::TouchMove || type == WebEventType::TouchEnd || type == WebEventType::TouchCancel;
}
#endif // !PLATFORM(IOS_FAMILY)
#if ENABLE(IOS_TOUCH_EVENTS)
void WebTouchEvent::transformToRemoteFrameCoordinates(const WebCore::RemoteFrameGeometryTransformer& transformer)
{
ASSERT(!std::exchange(m_hasTransformedToRemoteFrameCoordinates, true));
m_position = transformer.transformToRemoteFrameCoordinates(m_position);
for (auto& touchPoint : m_touchPoints)
touchPoint.transformToRemoteFrameCoordinates(transformer);
for (auto& event : m_coalescedEvents)
event.transformToRemoteFrameCoordinates(transformer);
for (auto& event : m_predictedEvents)
event.transformToRemoteFrameCoordinates(transformer);
}
void WebPlatformTouchPoint::transformToRemoteFrameCoordinates(const WebCore::RemoteFrameGeometryTransformer& transformer)
{
m_locationInRootView = transformer.transformToRemoteFrameCoordinates(m_locationInRootView);
// When translating to the coordinate space of a site isolated iframe,
// viewport coordinates become the same as root view coordinates because
// iframes don't interact with viewports.
// Otherwise, if for example the root view of the main frame is partially
// obscured, we get bogus values here. Iframe processes don't handle
// any difference between root view coordinates and viewport coordinates.
m_locationInViewport = m_locationInRootView;
}
#endif
bool WebTouchEvent::allTouchPointsAreReleased() const
{
for (const auto& touchPoint : touchPoints()) {
if (touchPoint.state() != WebPlatformTouchPoint::State::Released && touchPoint.state() != WebPlatformTouchPoint::State::Cancelled)
return false;
}
return true;
}
} // namespace WebKit
#endif // ENABLE(TOUCH_EVENTS)
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