110 lines
5.1 KiB
C++
110 lines
5.1 KiB
C++
/*
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "SimulatedClick.h"
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#include "DOMRect.h"
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#include "DataTransfer.h"
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#include "Element.h"
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#include "EventNames.h"
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#include "MouseEvent.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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class SimulatedMouseEvent final : public MouseEvent {
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WTF_MAKE_ISO_ALLOCATED_INLINE(SimulatedMouseEvent);
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public:
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static Ref<SimulatedMouseEvent> create(const AtomString& eventType, RefPtr<WindowProxy>&& view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
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{
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return adoptRef(*new SimulatedMouseEvent(eventType, WTFMove(view), WTFMove(underlyingEvent), target, source));
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}
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private:
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SimulatedMouseEvent(const AtomString& eventType, RefPtr<WindowProxy>&& view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
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: MouseEvent(eventType, CanBubble::Yes, IsCancelable::Yes, IsComposed::Yes,
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underlyingEvent ? underlyingEvent->timeStamp() : MonotonicTime::now(), WTFMove(view), /* detail */ 0,
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{ }, { }, { }, modifiersFromUnderlyingEvent(underlyingEvent), 0, 0, nullptr, 0, 0, IsSimulated::Yes,
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source == SimulatedClickSource::UserAgent ? IsTrusted::Yes : IsTrusted::No)
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{
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setUnderlyingEvent(underlyingEvent.get());
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if (is<MouseEvent>(this->underlyingEvent())) {
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MouseEvent& mouseEvent = downcast<MouseEvent>(*this->underlyingEvent());
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m_screenLocation = mouseEvent.screenLocation();
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initCoordinates(mouseEvent.clientLocation());
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} else if (source == SimulatedClickSource::UserAgent) {
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// If there is no underlying event, we only populate the coordinates for events coming
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// from the user agent (e.g. accessibility). For those coming from JavaScript (e.g.
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// (element.click()), the coordinates will be 0, similarly to Firefox and Chrome.
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// Note that the call to screenRect() causes a synchronous IPC with the UI process.
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m_screenLocation = target.screenRect().center();
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initCoordinates(LayoutPoint(target.boundingClientRect().center()));
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}
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}
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static OptionSet<Modifier> modifiersFromUnderlyingEvent(const RefPtr<Event>& underlyingEvent)
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{
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UIEventWithKeyState* keyStateEvent = findEventWithKeyState(underlyingEvent.get());
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if (!keyStateEvent)
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return { };
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return keyStateEvent->modifierKeys();
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}
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};
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static void simulateMouseEvent(const AtomString& eventType, Element& element, Event* underlyingEvent, SimulatedClickSource source)
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{
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element.dispatchEvent(SimulatedMouseEvent::create(eventType, element.document().windowProxy(), underlyingEvent, element, source));
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}
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bool simulateClick(Element& element, Event* underlyingEvent, SimulatedClickMouseEventOptions mouseEventOptions, SimulatedClickVisualOptions visualOptions, SimulatedClickSource creationOptions)
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{
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if (element.isDisabledFormControl())
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return false;
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static NeverDestroyed<HashSet<Element*>> elementsDispatchingSimulatedClicks;
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if (!elementsDispatchingSimulatedClicks.get().add(&element).isNewEntry)
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return false;
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if (mouseEventOptions == SendMouseOverUpDownEvents)
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simulateMouseEvent(eventNames().mouseoverEvent, element, underlyingEvent, creationOptions);
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if (mouseEventOptions != SendNoEvents)
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simulateMouseEvent(eventNames().mousedownEvent, element, underlyingEvent, creationOptions);
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element.setActive(true, visualOptions == ShowPressedLook);
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if (mouseEventOptions != SendNoEvents)
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simulateMouseEvent(eventNames().mouseupEvent, element, underlyingEvent, creationOptions);
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element.setActive(false);
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simulateMouseEvent(eventNames().clickEvent, element, underlyingEvent, creationOptions);
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elementsDispatchingSimulatedClicks.get().remove(&element);
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return true;
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}
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} // namespace WebCore
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