summaryrefslogtreecommitdiffstats
path: root/layout/forms/nsNumberControlFrame.cpp
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /layout/forms/nsNumberControlFrame.cpp
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--layout/forms/nsNumberControlFrame.cpp175
1 files changed, 175 insertions, 0 deletions
diff --git a/layout/forms/nsNumberControlFrame.cpp b/layout/forms/nsNumberControlFrame.cpp
new file mode 100644
index 0000000000..e8ed87c8f3
--- /dev/null
+++ b/layout/forms/nsNumberControlFrame.cpp
@@ -0,0 +1,175 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsNumberControlFrame.h"
+
+#include "mozilla/BasicEvents.h"
+#include "mozilla/FloatingPoint.h"
+#include "mozilla/PresShell.h"
+#include "HTMLInputElement.h"
+#include "nsGkAtoms.h"
+#include "nsNameSpaceManager.h"
+#include "nsStyleConsts.h"
+#include "nsContentUtils.h"
+#include "nsContentCreatorFunctions.h"
+#include "nsCSSPseudoElements.h"
+#include "nsLayoutUtils.h"
+
+#ifdef ACCESSIBILITY
+# include "mozilla/a11y/AccTypes.h"
+#endif
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+nsIFrame* NS_NewNumberControlFrame(PresShell* aPresShell,
+ ComputedStyle* aStyle) {
+ return new (aPresShell)
+ nsNumberControlFrame(aStyle, aPresShell->GetPresContext());
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsNumberControlFrame)
+
+NS_QUERYFRAME_HEAD(nsNumberControlFrame)
+ NS_QUERYFRAME_ENTRY(nsNumberControlFrame)
+NS_QUERYFRAME_TAIL_INHERITING(nsTextControlFrame)
+
+nsNumberControlFrame::nsNumberControlFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext)
+ : nsTextControlFrame(aStyle, aPresContext, kClassID) {}
+
+void nsNumberControlFrame::Destroy(DestroyContext& aContext) {
+ aContext.AddAnonymousContent(mSpinBox.forget());
+ nsTextControlFrame::Destroy(aContext);
+}
+
+nsresult nsNumberControlFrame::CreateAnonymousContent(
+ nsTArray<ContentInfo>& aElements) {
+ // We create an anonymous tree for our input element that is structured as
+ // follows:
+ //
+ // input
+ // div - placeholder
+ // div - preview div
+ // div - editor root
+ // div - spin box wrapping up/down arrow buttons
+ // div - spin up (up arrow button)
+ // div - spin down (down arrow button)
+ //
+ // If you change this, be careful to change the order of stuff returned in
+ // AppendAnonymousContentTo.
+
+ nsTextControlFrame::CreateAnonymousContent(aElements);
+
+ // The author has elected to hide the spinner by setting this
+ // -moz-appearance. We will reframe if it changes.
+ if (StyleDisplay()->EffectiveAppearance() != StyleAppearance::Textfield) {
+ // Create the ::-moz-number-spin-box pseudo-element:
+ mSpinBox = MakeAnonElement(PseudoStyleType::mozNumberSpinBox);
+
+ // Create the ::-moz-number-spin-up pseudo-element:
+ mSpinUp = MakeAnonElement(PseudoStyleType::mozNumberSpinUp, mSpinBox);
+
+ // Create the ::-moz-number-spin-down pseudo-element:
+ mSpinDown = MakeAnonElement(PseudoStyleType::mozNumberSpinDown, mSpinBox);
+
+ aElements.AppendElement(mSpinBox);
+ }
+
+ return NS_OK;
+}
+
+/* static */
+nsNumberControlFrame* nsNumberControlFrame::GetNumberControlFrameForSpinButton(
+ nsIFrame* aFrame) {
+ // If aFrame is a spin button for an <input type=number> then we expect the
+ // frame of the NAC root parent to be that input's frame. We have to check for
+ // this via the content tree because we don't know whether extra frames will
+ // be wrapped around any of the elements between aFrame and the
+ // nsNumberControlFrame that we're looking for (e.g. flex wrappers).
+ nsIContent* content = aFrame->GetContent();
+ auto* nacHost = content->GetClosestNativeAnonymousSubtreeRootParentOrHost();
+ if (!nacHost) {
+ return nullptr;
+ }
+ auto* input = HTMLInputElement::FromNode(nacHost);
+ if (!input || input->ControlType() != FormControlType::InputNumber) {
+ return nullptr;
+ }
+ return do_QueryFrame(input->GetPrimaryFrame());
+}
+
+int32_t nsNumberControlFrame::GetSpinButtonForPointerEvent(
+ WidgetGUIEvent* aEvent) const {
+ MOZ_ASSERT(aEvent->mClass == eMouseEventClass, "Unexpected event type");
+
+ if (!mSpinBox) {
+ // we don't have a spinner
+ return eSpinButtonNone;
+ }
+ if (aEvent->mOriginalTarget == mSpinUp) {
+ return eSpinButtonUp;
+ }
+ if (aEvent->mOriginalTarget == mSpinDown) {
+ return eSpinButtonDown;
+ }
+ if (aEvent->mOriginalTarget == mSpinBox) {
+ // In the case that the up/down buttons are hidden (display:none) we use
+ // just the spin box element, spinning up if the pointer is over the top
+ // half of the element, or down if it's over the bottom half. This is
+ // important to handle since this is the state things are in for the
+ // default UA style sheet. See the comment in forms.css for why.
+ LayoutDeviceIntPoint absPoint = aEvent->mRefPoint;
+ nsPoint point = nsLayoutUtils::GetEventCoordinatesRelativeTo(
+ aEvent, absPoint, RelativeTo{mSpinBox->GetPrimaryFrame()});
+ if (point != nsPoint(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE)) {
+ if (point.y < mSpinBox->GetPrimaryFrame()->GetSize().height / 2) {
+ return eSpinButtonUp;
+ }
+ return eSpinButtonDown;
+ }
+ }
+ return eSpinButtonNone;
+}
+
+void nsNumberControlFrame::SpinnerStateChanged() const {
+ if (mSpinUp) {
+ nsIFrame* spinUpFrame = mSpinUp->GetPrimaryFrame();
+ if (spinUpFrame && spinUpFrame->IsThemed()) {
+ spinUpFrame->InvalidateFrame();
+ }
+ }
+ if (mSpinDown) {
+ nsIFrame* spinDownFrame = mSpinDown->GetPrimaryFrame();
+ if (spinDownFrame && spinDownFrame->IsThemed()) {
+ spinDownFrame->InvalidateFrame();
+ }
+ }
+}
+
+bool nsNumberControlFrame::SpinnerUpButtonIsDepressed() const {
+ return HTMLInputElement::FromNode(mContent)
+ ->NumberSpinnerUpButtonIsDepressed();
+}
+
+bool nsNumberControlFrame::SpinnerDownButtonIsDepressed() const {
+ return HTMLInputElement::FromNode(mContent)
+ ->NumberSpinnerDownButtonIsDepressed();
+}
+
+void nsNumberControlFrame::AppendAnonymousContentTo(
+ nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
+ nsTextControlFrame::AppendAnonymousContentTo(aElements, aFilter);
+ if (mSpinBox) {
+ aElements.AppendElement(mSpinBox);
+ }
+}
+
+#ifdef ACCESSIBILITY
+a11y::AccType nsNumberControlFrame::AccessibleType() {
+ return a11y::eHTMLSpinnerType;
+}
+#endif