1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* 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 "DataTransfer.h"
#include "Element.h"
#include "EventDispatcher.h"
#include "EventNames.h"
#include "MouseEvent.h"
#include <wtf/CurrentTime.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
class SimulatedMouseEvent final : public MouseEvent {
public:
static Ref<SimulatedMouseEvent> create(const AtomicString& eventType, DOMWindow* view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
{
return adoptRef(*new SimulatedMouseEvent(eventType, view, WTFMove(underlyingEvent), target, source));
}
private:
SimulatedMouseEvent(const AtomicString& eventType, DOMWindow* view, RefPtr<Event>&& underlyingEvent, Element& target, SimulatedClickSource source)
: MouseEvent(eventType, true, true, underlyingEvent ? underlyingEvent->timeStamp() : currentTime(), view, 0, { }, { },
#if ENABLE(POINTER_LOCK)
{ },
#endif
false, false, false, false, 0, 0, 0, 0, 0, true)
{
if (source == SimulatedClickSource::Bindings)
setUntrusted();
if (UIEventWithKeyState* keyStateEvent = findEventWithKeyState(underlyingEvent.get())) {
m_ctrlKey = keyStateEvent->ctrlKey();
m_altKey = keyStateEvent->altKey();
m_shiftKey = keyStateEvent->shiftKey();
m_metaKey = keyStateEvent->metaKey();
}
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.clientRect().center()));
}
}
};
static void simulateMouseEvent(const AtomicString& eventType, Element& element, Event* underlyingEvent, SimulatedClickSource source)
{
auto event = SimulatedMouseEvent::create(eventType, element.document().defaultView(), underlyingEvent, element, source);
EventDispatcher::dispatchEvent(element, event);
}
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
|
