1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "nsImageFrame.h"
9 #include "mozilla/MouseEvents.h"
10 #include "mozilla/PresShell.h"
11 #include "nsIFormControlFrame.h"
12 #include "nsPresContext.h"
13 #include "nsGkAtoms.h"
14 #include "nsStyleConsts.h"
15 #include "nsLayoutUtils.h"
16 #include "nsIContent.h"
18 using namespace mozilla
;
20 class nsImageControlFrame final
: public nsImageFrame
,
21 public nsIFormControlFrame
{
23 explicit nsImageControlFrame(ComputedStyle
* aStyle
,
24 nsPresContext
* aPresContext
);
25 ~nsImageControlFrame() final
;
27 void Init(nsIContent
* aContent
, nsContainerFrame
* aParent
,
28 nsIFrame
* aPrevInFlow
) final
;
31 NS_DECL_FRAMEARENA_HELPERS(nsImageControlFrame
)
33 void Reflow(nsPresContext
*, ReflowOutput
&, const ReflowInput
&,
34 nsReflowStatus
&) final
;
36 nsresult
HandleEvent(nsPresContext
*, WidgetGUIEvent
*, nsEventStatus
*) final
;
39 mozilla::a11y::AccType
AccessibleType() final
;
42 #ifdef DEBUG_FRAME_DUMP
43 nsresult
GetFrameName(nsAString
& aResult
) const final
{
44 return MakeFrameName(u
"ImageControl"_ns
, aResult
);
48 Maybe
<Cursor
> GetCursor(const nsPoint
&) final
;
50 // nsIFormContromFrame
51 void SetFocus(bool aOn
, bool aRepaint
) final
;
52 nsresult
SetFormProperty(nsAtom
* aName
, const nsAString
& aValue
) final
;
55 nsImageControlFrame::nsImageControlFrame(ComputedStyle
* aStyle
,
56 nsPresContext
* aPresContext
)
57 : nsImageFrame(aStyle
, aPresContext
, kClassID
) {}
59 nsImageControlFrame::~nsImageControlFrame() = default;
61 nsIFrame
* NS_NewImageControlFrame(PresShell
* aPresShell
,
62 ComputedStyle
* aStyle
) {
63 return new (aPresShell
)
64 nsImageControlFrame(aStyle
, aPresShell
->GetPresContext());
67 NS_IMPL_FRAMEARENA_HELPERS(nsImageControlFrame
)
69 void nsImageControlFrame::Init(nsIContent
* aContent
, nsContainerFrame
* aParent
,
70 nsIFrame
* aPrevInFlow
) {
71 nsImageFrame::Init(aContent
, aParent
, aPrevInFlow
);
77 mContent
->SetProperty(nsGkAtoms::imageClickedPoint
, new CSSIntPoint(0, 0),
78 nsINode::DeleteProperty
<CSSIntPoint
>);
81 NS_QUERYFRAME_HEAD(nsImageControlFrame
)
82 NS_QUERYFRAME_ENTRY(nsIFormControlFrame
)
83 NS_QUERYFRAME_TAIL_INHERITING(nsImageFrame
)
86 a11y::AccType
nsImageControlFrame::AccessibleType() {
87 if (mContent
->IsAnyOfHTMLElements(nsGkAtoms::button
, nsGkAtoms::input
)) {
88 return a11y::eHTMLButtonType
;
95 void nsImageControlFrame::Reflow(nsPresContext
* aPresContext
,
96 ReflowOutput
& aDesiredSize
,
97 const ReflowInput
& aReflowInput
,
98 nsReflowStatus
& aStatus
) {
99 DO_GLOBAL_REFLOW_COUNT("nsImageControlFrame");
100 DISPLAY_REFLOW(aPresContext
, this, aReflowInput
, aDesiredSize
, aStatus
);
101 MOZ_ASSERT(aStatus
.IsEmpty(), "Caller should pass a fresh reflow status!");
102 return nsImageFrame::Reflow(aPresContext
, aDesiredSize
, aReflowInput
,
106 nsresult
nsImageControlFrame::HandleEvent(nsPresContext
* aPresContext
,
107 WidgetGUIEvent
* aEvent
,
108 nsEventStatus
* aEventStatus
) {
109 NS_ENSURE_ARG_POINTER(aEventStatus
);
111 // Don't do anything if the event has already been handled by someone
112 if (nsEventStatus_eConsumeNoDefault
== *aEventStatus
) {
116 if (IsContentDisabled()) {
117 return nsIFrame::HandleEvent(aPresContext
, aEvent
, aEventStatus
);
120 *aEventStatus
= nsEventStatus_eIgnore
;
122 if (aEvent
->mMessage
== eMouseUp
&&
123 aEvent
->AsMouseEvent()->mButton
== MouseButton::ePrimary
) {
124 // Store click point for HTMLInputElement::SubmitNamesValues
125 // Do this on MouseUp because the specs don't say and that's what IE does
126 auto* lastClickedPoint
= static_cast<CSSIntPoint
*>(
127 mContent
->GetProperty(nsGkAtoms::imageClickedPoint
));
128 if (lastClickedPoint
) {
129 // normally lastClickedPoint is not null, as it's allocated in Init()
130 nsPoint pt
= nsLayoutUtils::GetEventCoordinatesRelativeTo(
131 aEvent
, RelativeTo
{this});
132 *lastClickedPoint
= TranslateEventCoords(pt
);
135 return nsImageFrame::HandleEvent(aPresContext
, aEvent
, aEventStatus
);
138 void nsImageControlFrame::SetFocus(bool aOn
, bool aRepaint
) {}
140 Maybe
<nsIFrame::Cursor
> nsImageControlFrame::GetCursor(const nsPoint
&) {
141 StyleCursorKind kind
= StyleUI()->Cursor().keyword
;
142 if (kind
== StyleCursorKind::Auto
) {
143 kind
= StyleCursorKind::Pointer
;
145 return Some(Cursor
{kind
, AllowCustomCursorImage::Yes
});
148 nsresult
nsImageControlFrame::SetFormProperty(nsAtom
* aName
,
149 const nsAString
& aValue
) {