1 files changed, 147 insertions, 0 deletions
diff --git a/layout/forms/nsColorControlFrame.cpp b/layout/forms/nsColorControlFrame.cpp
new file mode 100644
index 000000000..e0bae43a9
--- /dev/null
+++ b/layout/forms/nsColorControlFrame.cpp
@@ -0,0 +1,147 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsContentList.h"
+#include "nsContentUtils.h"
+#include "nsCSSPseudoElements.h"
+#include "nsFormControlFrame.h"
+#include "nsGkAtoms.h"
+#include "nsIDOMHTMLInputElement.h"
+#include "nsIDOMNode.h"
+#include "nsIFormControl.h"
+#include "mozilla/StyleSetHandle.h"
+#include "mozilla/StyleSetHandleInlines.h"
+#include "nsIDocument.h"
+
+using mozilla::dom::Element;
+
+nsColorControlFrame::nsColorControlFrame(nsStyleContext* aContext)
+  : nsHTMLButtonControlFrame(aContext)
+{
+}
+
+nsIFrame*
+NS_NewColorControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
+{
+  return new (aPresShell) nsColorControlFrame(aContext);
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(nsColorControlFrame)
+
+NS_QUERYFRAME_HEAD(nsColorControlFrame)
+  NS_QUERYFRAME_ENTRY(nsColorControlFrame)
+  NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
+NS_QUERYFRAME_TAIL_INHERITING(nsHTMLButtonControlFrame)
+
+
+void nsColorControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
+{
+  nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
+  nsContentUtils::DestroyAnonymousContent(&mColorContent);
+  nsHTMLButtonControlFrame::DestroyFrom(aDestructRoot);
+}
+
+nsIAtom*
+nsColorControlFrame::GetType() const
+{
+  return nsGkAtoms::colorControlFrame;
+}
+
+#ifdef DEBUG_FRAME_DUMP
+nsresult
+nsColorControlFrame::GetFrameName(nsAString& aResult) const
+{
+  return MakeFrameName(NS_LITERAL_STRING("ColorControl"), aResult);
+}
+#endif
+
+// Create the color area for the button.
+// The frame will be generated by the frame constructor.
+nsresult
+nsColorControlFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
+{
+  nsCOMPtr<nsIDocument> doc = mContent->GetComposedDoc();
+  mColorContent = doc->CreateHTMLElement(nsGkAtoms::div);
+
+  // Mark the element to be native anonymous before setting any attributes.
+  mColorContent->SetIsNativeAnonymousRoot();
+
+  nsresult rv = UpdateColor();
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  CSSPseudoElementType pseudoType = CSSPseudoElementType::mozColorSwatch;
+  RefPtr<nsStyleContext> newStyleContext = PresContext()->StyleSet()->
+    ResolvePseudoElementStyle(mContent->AsElement(), pseudoType,
+                              StyleContext(), mColorContent->AsElement());
+  if (!aElements.AppendElement(ContentInfo(mColorContent, newStyleContext))) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  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 there is none.
+  nsAutoString color;
+  nsCOMPtr<nsIDOMHTMLInputElement> elt = do_QueryInterface(mContent);
+  elt->GetValue(color);
+  MOZ_ASSERT(!color.IsEmpty(),
+             "Content node's GetValue() should return a valid color string "
+             "(the default color, in case no valid color is set)");
+
+  // Set the background-color style property of the swatch element to this color
+  return mColorContent->SetAttr(kNameSpaceID_None, nsGkAtoms::style,
+      NS_LITERAL_STRING("background-color:") + color, true);
+}
+
+nsresult
+nsColorControlFrame::AttributeChanged(int32_t  aNameSpaceID,
+                                      nsIAtom* 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->GetType() == NS_FORM_INPUT_COLOR &&
+      aNameSpaceID == kNameSpaceID_None && nsGkAtoms::value == aAttribute) {
+    UpdateColor();
+  }
+  return nsHTMLButtonControlFrame::AttributeChanged(aNameSpaceID, aAttribute,
+                                                    aModType);
+}
+
+nsContainerFrame*
+nsColorControlFrame::GetContentInsertionFrame()
+{
+  return this;
+}
+
+Element*
+nsColorControlFrame::GetPseudoElement(CSSPseudoElementType aType)
+{
+  if (aType == CSSPseudoElementType::mozColorSwatch) {
+    return mColorContent;
+  }
+
+  return nsContainerFrame::GetPseudoElement(aType);
+}