Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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