blob: 331244d70fbf2cd89796297c933f5aea4c01e508 [file] [log] [blame]
/*
* Copyright (C) 2016 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. ``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
* 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 "SimulatedClick.h"
#include "DOMRect.h"
#include "DataTransfer.h"
#include "Element.h"
#include "EventNames.h"
#include "MouseEvent.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
class SimulatedMouseEvent final : public MouseEvent {
WTF_MAKE_ISO_ALLOCATED_INLINE(SimulatedMouseEvent);
public:
static Ref<SimulatedMouseEvent> create(const AtomString& eventType, RefPtr<WindowProxy>&& view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
{
return adoptRef(*new SimulatedMouseEvent(eventType, WTFMove(view), WTFMove(underlyingEvent), target, source));
}
private:
SimulatedMouseEvent(const AtomString& eventType, RefPtr<WindowProxy>&& view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
: MouseEvent(eventType, CanBubble::Yes, IsCancelable::Yes, IsComposed::Yes,
underlyingEvent ? underlyingEvent->timeStamp() : MonotonicTime::now(), WTFMove(view), /* detail */ 0,
{ }, { }, { }, modifiersFromUnderlyingEvent(underlyingEvent), 0, 0, nullptr, 0, 0, IsSimulated::Yes,
source == SimulatedClickSource::UserAgent ? IsTrusted::Yes : IsTrusted::No)
{
setUnderlyingEvent(underlyingEvent.get());
if (is<MouseEvent>(this->underlyingEvent())) {
MouseEvent& mouseEvent = downcast<MouseEvent>(*this->underlyingEvent());
m_screenLocation = mouseEvent.screenLocation();
initCoordinates(mouseEvent.clientLocation());
} else if (source == SimulatedClickSource::UserAgent) {
// If there is no underlying event, we only populate the coordinates for events coming
// from the user agent (e.g. accessibility). For those coming from JavaScript (e.g.
// (element.click()), the coordinates will be 0, similarly to Firefox and Chrome.
// Note that the call to screenRect() causes a synchronous IPC with the UI process.
m_screenLocation = target.screenRect().center();
initCoordinates(LayoutPoint(target.boundingClientRect().center()));
}
}
static OptionSet<Modifier> modifiersFromUnderlyingEvent(const RefPtr<Event>& underlyingEvent)
{
UIEventWithKeyState* keyStateEvent = findEventWithKeyState(underlyingEvent.get());
if (!keyStateEvent)
return { };
return keyStateEvent->modifierKeys();
}
};
static void simulateMouseEvent(const AtomString& eventType, Element& element, Event* underlyingEvent, SimulatedClickSource source)
{
element.dispatchEvent(SimulatedMouseEvent::create(eventType, element.document().windowProxy(), underlyingEvent, element, source));
}
void simulateClick(Element& element, Event* underlyingEvent, SimulatedClickMouseEventOptions mouseEventOptions, SimulatedClickVisualOptions visualOptions, SimulatedClickSource creationOptions)
{
if (element.isDisabledFormControl())
return;
static NeverDestroyed<HashSet<Element*>> elementsDispatchingSimulatedClicks;
if (!elementsDispatchingSimulatedClicks.get().add(&element).isNewEntry)
return;
if (mouseEventOptions == SendMouseOverUpDownEvents)
simulateMouseEvent(eventNames().mouseoverEvent, element, underlyingEvent, creationOptions);
if (mouseEventOptions != SendNoEvents)
simulateMouseEvent(eventNames().mousedownEvent, element, underlyingEvent, creationOptions);
element.setActive(true, visualOptions == ShowPressedLook);
if (mouseEventOptions != SendNoEvents)
simulateMouseEvent(eventNames().mouseupEvent, element, underlyingEvent, creationOptions);
element.setActive(false);
simulateMouseEvent(eventNames().clickEvent, element, underlyingEvent, creationOptions);
elementsDispatchingSimulatedClicks.get().remove(&element);
}
} // namespace WebCore