From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- layout/forms/nsNumberControlFrame.cpp | 175 ++++++++++++++++++++++++++++++++++ 1 file changed, 175 insertions(+) create mode 100644 layout/forms/nsNumberControlFrame.cpp (limited to 'layout/forms/nsNumberControlFrame.cpp') 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& 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 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& aElements, uint32_t aFilter) { + nsTextControlFrame::AppendAnonymousContentTo(aElements, aFilter); + if (mSpinBox) { + aElements.AppendElement(mSpinBox); + } +} + +#ifdef ACCESSIBILITY +a11y::AccType nsNumberControlFrame::AccessibleType() { + return a11y::eHTMLSpinnerType; +} +#endif -- cgit v1.2.3