Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 128 insertions, 0 deletions

diff --git a/layout/forms/nsColorControlFrame.cpp b/layout/forms/nsColorControlFrame.cpp
new file mode 100644
index 0000000000..f921016d06
--- /dev/null
+++ b/layout/forms/nsColorControlFrame.cpp
@@ -0,0 +1,128 @@
+/* -*- 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 "nsColorControlFrame.h"
+
+#include "nsContentCreatorFunctions.h"
+#include "nsContentUtils.h"
+#include "nsCSSPseudoElements.h"
+#include "nsGkAtoms.h"
+#include "nsIFormControl.h"
+#include "mozilla/PresShell.h"
+#include "mozilla/dom/HTMLInputElement.h"
+#include "mozilla/dom/Document.h"
+
+using namespace mozilla;
+using mozilla::dom::CallerType;
+using mozilla::dom::Document;
+using mozilla::dom::Element;
+using mozilla::dom::HTMLInputElement;
+
+nsColorControlFrame::nsColorControlFrame(ComputedStyle* aStyle,
+                                         nsPresContext* aPresContext)
+    : nsHTMLButtonControlFrame(aStyle, aPresContext, kClassID) {}
+
+nsIFrame* NS_NewColorControlFrame(PresShell* aPresShell,
+                                  ComputedStyle* aStyle) {
+  return new (aPresShell)
+      nsColorControlFrame(aStyle, aPresShell->GetPresContext());
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsColorControlFrame)
+
+NS_QUERYFRAME_HEAD(nsColorControlFrame)
+  NS_QUERYFRAME_ENTRY(nsColorControlFrame)
+  NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
+NS_QUERYFRAME_TAIL_INHERITING(nsHTMLButtonControlFrame)
+
+void nsColorControlFrame::Destroy(DestroyContext& aContext) {
+  aContext.AddAnonymousContent(mColorContent.forget());
+  nsHTMLButtonControlFrame::Destroy(aContext);
+}
+
+#ifdef DEBUG_FRAME_DUMP
+nsresult nsColorControlFrame::GetFrameName(nsAString& aResult) const {
+  return MakeFrameName(u"ColorControl"_ns, aResult);
+}
+#endif
+
+// Create the color area for the button.
+// The frame will be generated by the frame constructor.
+nsresult nsColorControlFrame::CreateAnonymousContent(
+    nsTArray<ContentInfo>& aElements) {
+  RefPtr<Document> doc = mContent->GetComposedDoc();
+  mColorContent = doc->CreateHTMLElement(nsGkAtoms::div);
+  mColorContent->SetPseudoElementType(PseudoStyleType::mozColorSwatch);
+
+  // Mark the element to be native anonymous before setting any attributes.
+  mColorContent->SetIsNativeAnonymousRoot();
+
+  nsresult rv = UpdateColor();
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // XXX(Bug 1631371) Check if this should use a fallible operation as it
+  // pretended earlier.
+  aElements.AppendElement(mColorContent);
+
+  return NS_OK;
+}
+
+void nsColorControlFrame::AppendAnonymousContentTo(
+    nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
+  if (mColorContent) {
+    aElements.AppendElement(mColorContent);
+  }
+}
+
+nsresult nsColorControlFrame::UpdateColor() {
+  // Get the color from the "value" property of our content; it will return the
+  // default color (through the sanitization algorithm) if the value is empty.
+  nsAutoString color;
+  HTMLInputElement* elt = HTMLInputElement::FromNode(mContent);
+  elt->GetValue(color, CallerType::System);
+
+  if (color.IsEmpty()) {
+    // OK, there is one case the color string might be empty -- if our content
+    // is still being created, i.e. if it has mDoneCreating==false.  In that
+    // case, we simply do nothing, because we'll be called again with a complete
+    // content node before we ever reflow or paint. Specifically: we can expect
+    // that HTMLInputElement::DoneCreatingElement() will set mDoneCreating to
+    // true (which enables sanitization) and then it'll call SetValueInternal(),
+    // which produces a nonempty color (via sanitization), and then it'll call
+    // this function here, and we'll get the nonempty default color.
+    MOZ_ASSERT(HasAnyStateBits(NS_FRAME_FIRST_REFLOW),
+               "Content node's GetValue() should return a valid color string "
+               "by the time we've been reflowed (the default color, in case "
+               "no valid color is set)");
+    return NS_OK;
+  }
+
+  // Set the background-color CSS property of the swatch element to this color.
+  return mColorContent->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
+                                u"background-color:"_ns + color,
+                                /* aNotify */ true);
+}
+
+nsresult nsColorControlFrame::AttributeChanged(int32_t aNameSpaceID,
+                                               nsAtom* aAttribute,
+                                               int32_t aModType) {
+  NS_ASSERTION(mColorContent, "The color div must exist");
+
+  // If the value attribute is set, update the color box, but only if we're
+  // still a color control, which might not be the case if the type attribute
+  // was removed/changed.
+  nsCOMPtr<nsIFormControl> fctrl = do_QueryInterface(GetContent());
+  if (fctrl->ControlType() == FormControlType::InputColor &&
+      aNameSpaceID == kNameSpaceID_None && nsGkAtoms::value == aAttribute) {
+    UpdateColor();
+  }
+  return nsHTMLButtonControlFrame::AttributeChanged(aNameSpaceID, aAttribute,
+                                                    aModType);
+}
+
+nsContainerFrame* nsColorControlFrame::GetContentInsertionFrame() {
+  return this;
+}