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 "nsNumberControlFrame.h"
9 #include "mozilla/BasicEvents.h"
10 #include "mozilla/FloatingPoint.h"
11 #include "mozilla/PresShell.h"
12 #include "HTMLInputElement.h"
13 #include "nsGkAtoms.h"
14 #include "nsNameSpaceManager.h"
15 #include "nsStyleConsts.h"
16 #include "nsContentUtils.h"
17 #include "nsContentCreatorFunctions.h"
18 #include "nsCSSPseudoElements.h"
19 #include "nsLayoutUtils.h"
22 # include "mozilla/a11y/AccTypes.h"
25 using namespace mozilla
;
26 using namespace mozilla::dom
;
28 nsIFrame
* NS_NewNumberControlFrame(PresShell
* aPresShell
,
29 ComputedStyle
* aStyle
) {
30 return new (aPresShell
)
31 nsNumberControlFrame(aStyle
, aPresShell
->GetPresContext());
34 NS_IMPL_FRAMEARENA_HELPERS(nsNumberControlFrame
)
36 NS_QUERYFRAME_HEAD(nsNumberControlFrame
)
37 NS_QUERYFRAME_ENTRY(nsNumberControlFrame
)
38 NS_QUERYFRAME_TAIL_INHERITING(nsTextControlFrame
)
40 nsNumberControlFrame::nsNumberControlFrame(ComputedStyle
* aStyle
,
41 nsPresContext
* aPresContext
)
42 : nsTextControlFrame(aStyle
, aPresContext
, kClassID
) {}
44 void nsNumberControlFrame::Destroy(DestroyContext
& aContext
) {
45 aContext
.AddAnonymousContent(mSpinBox
.forget());
46 nsTextControlFrame::Destroy(aContext
);
49 nsresult
nsNumberControlFrame::CreateAnonymousContent(
50 nsTArray
<ContentInfo
>& aElements
) {
51 // We create an anonymous tree for our input element that is structured as
58 // div - spin box wrapping up/down arrow buttons
59 // div - spin up (up arrow button)
60 // div - spin down (down arrow button)
62 // If you change this, be careful to change the order of stuff returned in
63 // AppendAnonymousContentTo.
65 nsTextControlFrame::CreateAnonymousContent(aElements
);
67 #if defined(MOZ_WIDGET_ANDROID)
68 // We don't want spin buttons on Android
71 // The author has elected to hide the spinner by setting this
72 // -moz-appearance. We will reframe if it changes.
73 if (StyleDisplay()->EffectiveAppearance() == StyleAppearance::Textfield
) {
77 // Create the ::-moz-number-spin-box pseudo-element:
78 mSpinBox
= MakeAnonElement(PseudoStyleType::mozNumberSpinBox
);
80 // Create the ::-moz-number-spin-up pseudo-element:
81 mSpinUp
= MakeAnonElement(PseudoStyleType::mozNumberSpinUp
, mSpinBox
);
83 // Create the ::-moz-number-spin-down pseudo-element:
84 mSpinDown
= MakeAnonElement(PseudoStyleType::mozNumberSpinDown
, mSpinBox
);
86 aElements
.AppendElement(mSpinBox
);
93 nsNumberControlFrame
* nsNumberControlFrame::GetNumberControlFrameForSpinButton(
95 // If aFrame is a spin button for an <input type=number> then we expect the
96 // frame of the NAC root parent to be that input's frame. We have to check for
97 // this via the content tree because we don't know whether extra frames will
98 // be wrapped around any of the elements between aFrame and the
99 // nsNumberControlFrame that we're looking for (e.g. flex wrappers).
100 nsIContent
* content
= aFrame
->GetContent();
101 auto* nacHost
= content
->GetClosestNativeAnonymousSubtreeRootParentOrHost();
105 auto* input
= HTMLInputElement::FromNode(nacHost
);
106 if (!input
|| input
->ControlType() != FormControlType::InputNumber
) {
109 return do_QueryFrame(input
->GetPrimaryFrame());
112 int32_t nsNumberControlFrame::GetSpinButtonForPointerEvent(
113 WidgetGUIEvent
* aEvent
) const {
114 MOZ_ASSERT(aEvent
->mClass
== eMouseEventClass
, "Unexpected event type");
117 // we don't have a spinner
118 return eSpinButtonNone
;
120 if (aEvent
->mOriginalTarget
== mSpinUp
) {
121 return eSpinButtonUp
;
123 if (aEvent
->mOriginalTarget
== mSpinDown
) {
124 return eSpinButtonDown
;
126 if (aEvent
->mOriginalTarget
== mSpinBox
) {
127 // In the case that the up/down buttons are hidden (display:none) we use
128 // just the spin box element, spinning up if the pointer is over the top
129 // half of the element, or down if it's over the bottom half. This is
130 // important to handle since this is the state things are in for the
131 // default UA style sheet. See the comment in forms.css for why.
132 LayoutDeviceIntPoint absPoint
= aEvent
->mRefPoint
;
133 nsPoint point
= nsLayoutUtils::GetEventCoordinatesRelativeTo(
134 aEvent
, absPoint
, RelativeTo
{mSpinBox
->GetPrimaryFrame()});
135 if (point
!= nsPoint(NS_UNCONSTRAINEDSIZE
, NS_UNCONSTRAINEDSIZE
)) {
136 if (point
.y
< mSpinBox
->GetPrimaryFrame()->GetSize().height
/ 2) {
137 return eSpinButtonUp
;
139 return eSpinButtonDown
;
142 return eSpinButtonNone
;
145 void nsNumberControlFrame::SpinnerStateChanged() const {
147 nsIFrame
* spinUpFrame
= mSpinUp
->GetPrimaryFrame();
148 if (spinUpFrame
&& spinUpFrame
->IsThemed()) {
149 spinUpFrame
->InvalidateFrame();
153 nsIFrame
* spinDownFrame
= mSpinDown
->GetPrimaryFrame();
154 if (spinDownFrame
&& spinDownFrame
->IsThemed()) {
155 spinDownFrame
->InvalidateFrame();
160 bool nsNumberControlFrame::SpinnerUpButtonIsDepressed() const {
161 return HTMLInputElement::FromNode(mContent
)
162 ->NumberSpinnerUpButtonIsDepressed();
165 bool nsNumberControlFrame::SpinnerDownButtonIsDepressed() const {
166 return HTMLInputElement::FromNode(mContent
)
167 ->NumberSpinnerDownButtonIsDepressed();
170 void nsNumberControlFrame::AppendAnonymousContentTo(
171 nsTArray
<nsIContent
*>& aElements
, uint32_t aFilter
) {
172 nsTextControlFrame::AppendAnonymousContentTo(aElements
, aFilter
);
174 aElements
.AppendElement(mSpinBox
);
179 a11y::AccType
nsNumberControlFrame::AccessibleType() {
180 return a11y::eHTMLSpinnerType
;