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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 "nsArray.h"
#include "nsArrayEnumerator.h"
#include "nsThreadUtils.h"
NS_INTERFACE_MAP_BEGIN(nsArray)
NS_INTERFACE_MAP_ENTRY(nsIArray)
NS_INTERFACE_MAP_ENTRY(nsIArrayExtensions)
NS_INTERFACE_MAP_ENTRY(nsIMutableArray)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIMutableArray)
NS_INTERFACE_MAP_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsArrayCC)
NS_INTERFACE_MAP_ENTRY(nsIArray)
NS_INTERFACE_MAP_ENTRY(nsIArrayExtensions)
NS_INTERFACE_MAP_ENTRY(nsIMutableArray)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIMutableArray)
NS_INTERFACE_MAP_END
nsArrayBase::~nsArrayBase() { Clear(); }
NS_IMPL_ADDREF(nsArray)
NS_IMPL_RELEASE(nsArray)
NS_IMPL_CYCLE_COLLECTION_CLASS(nsArrayCC)
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsArrayCC)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsArrayCC)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsArrayCC)
tmp->Clear();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsArrayCC)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mArray)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMETHODIMP
nsArrayBase::GetLength(uint32_t* aLength) {
*aLength = mArray.Count();
return NS_OK;
}
NS_IMETHODIMP
nsArrayBase::QueryElementAt(uint32_t aIndex, const nsIID& aIID,
void** aResult) {
nsISupports* obj = mArray.SafeObjectAt(aIndex);
if (!obj) {
return NS_ERROR_ILLEGAL_VALUE;
}
// no need to worry about a leak here, because SafeObjectAt()
// doesn't addref its result
return obj->QueryInterface(aIID, aResult);
}
NS_IMETHODIMP
nsArrayBase::IndexOf(uint32_t aStartIndex, nsISupports* aElement,
uint32_t* aResult) {
int32_t idx = mArray.IndexOf(aElement, aStartIndex);
if (idx == -1) {
return NS_ERROR_FAILURE;
}
*aResult = static_cast<uint32_t>(idx);
return NS_OK;
}
NS_IMETHODIMP
nsArrayBase::ScriptedEnumerate(const nsIID& aElemIID, uint8_t aArgc,
nsISimpleEnumerator** aResult) {
if (aArgc > 0) {
return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this),
aElemIID);
}
return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this));
}
NS_IMETHODIMP
nsArrayBase::EnumerateImpl(const nsID& aElemIID,
nsISimpleEnumerator** aResult) {
return NS_NewArrayEnumerator(aResult, static_cast<nsIArray*>(this), aElemIID);
}
// nsIMutableArray implementation
NS_IMETHODIMP
nsArrayBase::AppendElement(nsISupports* aElement) {
bool result = mArray.AppendObject(aElement);
return result ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsArrayBase::RemoveElementAt(uint32_t aIndex) {
bool result = mArray.RemoveObjectAt(aIndex);
return result ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsArrayBase::InsertElementAt(nsISupports* aElement, uint32_t aIndex) {
bool result = mArray.InsertObjectAt(aElement, aIndex);
return result ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsArrayBase::ReplaceElementAt(nsISupports* aElement, uint32_t aIndex) {
mArray.ReplaceObjectAt(aElement, aIndex);
return NS_OK;
}
NS_IMETHODIMP
nsArrayBase::Clear() {
mArray.Clear();
return NS_OK;
}
// nsIArrayExtensions implementation.
NS_IMETHODIMP
nsArrayBase::Count(uint32_t* aResult) { return GetLength(aResult); }
NS_IMETHODIMP
nsArrayBase::GetElementAt(uint32_t aIndex, nsISupports** aResult) {
nsCOMPtr<nsISupports> obj = mArray.SafeObjectAt(aIndex);
obj.forget(aResult);
return NS_OK;
}
nsresult nsArrayBase::XPCOMConstructor(nsISupports* aOuter, const nsIID& aIID,
void** aResult) {
if (aOuter) {
return NS_ERROR_NO_AGGREGATION;
}
nsCOMPtr<nsIMutableArray> inst = Create();
return inst->QueryInterface(aIID, aResult);
}
already_AddRefed<nsIMutableArray> nsArrayBase::Create() {
nsCOMPtr<nsIMutableArray> inst;
if (NS_IsMainThread()) {
inst = new nsArrayCC;
} else {
inst = new nsArray;
}
return inst.forget();
}