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
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/mediastream/captured_mouse_event.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_captured_mouse_event_init.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/v8_throw_exception.h"
namespace blink {
namespace {
// Coordinates are valid if they are non-negative, or if both of them are equal
// to -1 (meaning that the mouse cursor is not over the captured surface).
bool AreSurfaceCoordinatesValid(const CapturedMouseEventInit& initializer) {
if (!initializer.hasSurfaceX() || !initializer.hasSurfaceY()) {
return false;
}
return (initializer.surfaceX() >= 0 && initializer.surfaceY() >= 0) ||
(initializer.surfaceX() == -1 && initializer.surfaceY() == -1);
}
} // namespace
// static
CapturedMouseEvent* CapturedMouseEvent::Create(
const AtomicString& type,
const CapturedMouseEventInit* initializer,
ExceptionState& exception_state) {
CHECK(initializer);
if (!AreSurfaceCoordinatesValid(*initializer)) {
exception_state.ThrowRangeError(
"surfaceX and surfaceY must both be non-negative, or both of them "
"must be equal to -1.");
return nullptr;
}
return MakeGarbageCollected<CapturedMouseEvent>(type, initializer);
}
const AtomicString& CapturedMouseEvent::InterfaceName() const {
return event_interface_names::kCapturedMouseEvent;
}
CapturedMouseEvent::CapturedMouseEvent(
const AtomicString& type,
const CapturedMouseEventInit* initializer)
: Event(type, initializer),
surface_coordinates_(initializer->surfaceX(), initializer->surfaceY()) {
CHECK(initializer);
CHECK(AreSurfaceCoordinatesValid(*initializer));
}
} // namespace blink
|
