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/* -*- 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 "nsSearchControlFrame.h"
#include "HTMLInputElement.h"
#include "mozilla/PresShell.h"
#include "nsGkAtoms.h"
#include "nsNameSpaceManager.h"
#include "nsStyleConsts.h"
#include "nsContentUtils.h"
#include "nsContentCreatorFunctions.h"
#include "nsCSSPseudoElements.h"
#include "nsICSSDeclaration.h"
#ifdef ACCESSIBILITY
# include "mozilla/a11y/AccTypes.h"
#endif
using namespace mozilla;
using namespace mozilla::dom;
nsIFrame* NS_NewSearchControlFrame(PresShell* aPresShell,
ComputedStyle* aStyle) {
return new (aPresShell)
nsSearchControlFrame(aStyle, aPresShell->GetPresContext());
}
NS_IMPL_FRAMEARENA_HELPERS(nsSearchControlFrame)
NS_QUERYFRAME_HEAD(nsSearchControlFrame)
NS_QUERYFRAME_ENTRY(nsSearchControlFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsTextControlFrame)
nsSearchControlFrame::nsSearchControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsTextControlFrame(aStyle, aPresContext, kClassID) {}
void nsSearchControlFrame::DestroyFrom(nsIFrame* aDestructRoot,
PostDestroyData& aPostDestroyData) {
aPostDestroyData.AddAnonymousContent(mClearButton.forget());
nsTextControlFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
}
nsresult nsSearchControlFrame::CreateAnonymousContent(
nsTArray<ContentInfo>& aElements) {
// We create an anonymous tree for our input element that is structured as
// follows:
//
// input
// button - clear button
// div - editor root
// div - placeholder
// div - preview div
//
// If you change this, be careful to change the destruction order in
// nsSearchControlFrame::DestroyFrom.
// Create the ::-moz-search-clear-button pseudo-element:
mClearButton = MakeAnonElement(PseudoStyleType::mozSearchClearButton, nullptr,
nsGkAtoms::button);
aElements.AppendElement(mClearButton);
nsTextControlFrame::CreateAnonymousContent(aElements);
// Update clear button visibility based on value
UpdateClearButtonState();
return NS_OK;
}
void nsSearchControlFrame::AppendAnonymousContentTo(
nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
if (mClearButton) {
aElements.AppendElement(mClearButton);
}
nsTextControlFrame::AppendAnonymousContentTo(aElements, aFilter);
}
void nsSearchControlFrame::UpdateClearButtonState() {
if (!mClearButton) {
return;
}
auto* content = HTMLInputElement::FromNode(mContent);
nsGenericHTMLElement* element = nsGenericHTMLElement::FromNode(mClearButton);
nsCOMPtr<nsICSSDeclaration> declaration = element->Style();
if (content->IsValueEmpty()) {
declaration->SetProperty("visibility"_ns, "hidden"_ns, ""_ns,
IgnoreErrors());
} else {
nsAutoCString dummy;
declaration->RemoveProperty("visibility"_ns, dummy, IgnoreErrors());
}
}