forked from mirrors/gecko-dev
146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsArray.h"
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#include "nsArrayEnumerator.h"
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#include "nsThreadUtils.h"
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NS_INTERFACE_MAP_BEGIN(nsArray)
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NS_INTERFACE_MAP_ENTRY(nsIArray)
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NS_INTERFACE_MAP_ENTRY(nsIArrayExtensions)
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NS_INTERFACE_MAP_ENTRY(nsIMutableArray)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIMutableArray)
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NS_INTERFACE_MAP_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsArrayCC)
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NS_INTERFACE_MAP_ENTRY(nsIArray)
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NS_INTERFACE_MAP_ENTRY(nsIArrayExtensions)
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NS_INTERFACE_MAP_ENTRY(nsIMutableArray)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIMutableArray)
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NS_INTERFACE_MAP_END
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nsArrayBase::~nsArrayBase() { Clear(); }
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NS_IMPL_ADDREF(nsArray)
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NS_IMPL_RELEASE(nsArray)
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NS_IMPL_CYCLE_COLLECTION_CLASS(nsArrayCC)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsArrayCC)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsArrayCC)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsArrayCC)
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tmp->Clear();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsArrayCC)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mArray)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMETHODIMP
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nsArrayBase::GetLength(uint32_t* aLength) {
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*aLength = mArray.Count();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsArrayBase::QueryElementAt(uint32_t aIndex, const nsIID& aIID,
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void** aResult) {
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nsISupports* obj = mArray.SafeObjectAt(aIndex);
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if (!obj) {
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return NS_ERROR_ILLEGAL_VALUE;
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}
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// no need to worry about a leak here, because SafeObjectAt()
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// doesn't addref its result
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return obj->QueryInterface(aIID, aResult);
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}
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NS_IMETHODIMP
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nsArrayBase::IndexOf(uint32_t aStartIndex, nsISupports* aElement,
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uint32_t* aResult) {
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int32_t idx = mArray.IndexOf(aElement, aStartIndex);
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if (idx == -1) {
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return NS_ERROR_FAILURE;
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}
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*aResult = static_cast<uint32_t>(idx);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsArrayBase::ScriptedEnumerate(const nsIID& aElemIID, uint8_t aArgc,
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nsISimpleEnumerator** aResult) {
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if (aArgc > 0) {
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return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this),
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aElemIID);
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}
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return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this));
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}
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NS_IMETHODIMP
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nsArrayBase::EnumerateImpl(const nsID& aElemIID,
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nsISimpleEnumerator** aResult) {
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return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this), aElemIID);
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}
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// nsIMutableArray implementation
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NS_IMETHODIMP
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nsArrayBase::AppendElement(nsISupports* aElement) {
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bool result = mArray.AppendObject(aElement);
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return result ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsArrayBase::RemoveElementAt(uint32_t aIndex) {
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bool result = mArray.RemoveObjectAt(aIndex);
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return result ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsArrayBase::InsertElementAt(nsISupports* aElement, uint32_t aIndex) {
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bool result = mArray.InsertObjectAt(aElement, aIndex);
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return result ? NS_OK : NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsArrayBase::ReplaceElementAt(nsISupports* aElement, uint32_t aIndex) {
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mArray.ReplaceObjectAt(aElement, aIndex);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsArrayBase::Clear() {
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mArray.Clear();
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return NS_OK;
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}
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// nsIArrayExtensions implementation.
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NS_IMETHODIMP
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nsArrayBase::Count(uint32_t* aResult) { return GetLength(aResult); }
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NS_IMETHODIMP
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nsArrayBase::GetElementAt(uint32_t aIndex, nsISupports** aResult) {
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nsCOMPtr<nsISupports> obj = mArray.SafeObjectAt(aIndex);
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obj.forget(aResult);
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return NS_OK;
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}
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nsresult nsArrayBase::XPCOMConstructor(const nsIID& aIID, void** aResult) {
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nsCOMPtr<nsIMutableArray> inst = Create();
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return inst->QueryInterface(aIID, aResult);
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}
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already_AddRefed<nsIMutableArray> nsArrayBase::Create() {
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nsCOMPtr<nsIMutableArray> inst;
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if (NS_IsMainThread()) {
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inst = new nsArrayCC;
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} else {
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inst = new nsArray;
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}
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return inst.forget();
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}
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