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/* -*- Mode: C++; tab-width: 4; 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/. */
/*
A package of routines shared by the XUL content code.
*/
#include "mozilla/ArrayUtils.h"
#include "mozilla/intl/LocaleService.h"
#include "mozilla/intl/Collator.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsIContent.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Element.h"
#include "nsXULContentUtils.h"
#include "nsLayoutCID.h"
#include "nsString.h"
#include "nsGkAtoms.h"
using namespace mozilla;
//------------------------------------------------------------------------
const mozilla::intl::Collator* nsXULContentUtils::gCollator;
//------------------------------------------------------------------------
// Constructors n' stuff
//
nsresult nsXULContentUtils::Finish() {
if (gCollator) {
delete gCollator;
gCollator = nullptr;
}
return NS_OK;
}
const mozilla::intl::Collator* nsXULContentUtils::GetCollator() {
if (!gCollator) {
// Lazily initialize the Collator.
auto result = mozilla::intl::LocaleService::TryCreateComponent<
mozilla::intl::Collator>();
if (result.isErr()) {
NS_ERROR("couldn't create a mozilla::intl::Collator");
return nullptr;
}
auto collator = result.unwrap();
// Sort in a case-insensitive way, where "base" letters are considered
// equal, e.g: a = á, a = A, a ≠ b.
mozilla::intl::Collator::Options options{};
options.sensitivity = mozilla::intl::Collator::Sensitivity::Base;
auto optResult = collator->SetOptions(options);
if (optResult.isErr()) {
NS_ERROR("couldn't set options for mozilla::intl::Collator");
return nullptr;
}
gCollator = collator.release();
}
return gCollator;
}
//------------------------------------------------------------------------
//
nsresult nsXULContentUtils::FindChildByTag(nsIContent* aElement,
int32_t aNameSpaceID, nsAtom* aTag,
mozilla::dom::Element** aResult) {
for (nsIContent* child = aElement->GetFirstChild(); child;
child = child->GetNextSibling()) {
if (child->IsElement() && child->NodeInfo()->Equals(aTag, aNameSpaceID)) {
NS_ADDREF(*aResult = child->AsElement());
return NS_OK;
}
}
*aResult = nullptr;
return NS_RDF_NO_VALUE; // not found
}