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tenfourfox/dom/base/nsScriptNameSpaceManager.cpp

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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 "nsScriptNameSpaceManager.h"
#include "nsCOMPtr.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsICategoryManager.h"
#include "nsIServiceManager.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
#include "nsIScriptNameSpaceManager.h"
#include "nsIScriptContext.h"
#include "nsIInterfaceInfoManager.h"
#include "nsIInterfaceInfo.h"
#include "xptinfo.h"
#include "nsXPIDLString.h"
#include "nsPrintfCString.h"
#include "nsReadableUtils.h"
#include "nsHashKeys.h"
#include "nsDOMClassInfo.h"
#include "nsCRT.h"
#include "nsIObserverService.h"
#include "nsISimpleEnumerator.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#define NS_INTERFACE_PREFIX "nsI"
#define NS_DOM_INTERFACE_PREFIX "nsIDOM"
using namespace mozilla;
static PLDHashNumber
GlobalNameHashHashKey(PLDHashTable *table, const void *key)
{
const nsAString *str = static_cast<const nsAString *>(key);
return HashString(*str);
}
static bool
GlobalNameHashMatchEntry(PLDHashTable *table, const PLDHashEntryHdr *entry,
const void *key)
{
const GlobalNameMapEntry *e =
static_cast<const GlobalNameMapEntry *>(entry);
const nsAString *str = static_cast<const nsAString *>(key);
return str->Equals(e->mKey);
}
static void
GlobalNameHashClearEntry(PLDHashTable *table, PLDHashEntryHdr *entry)
{
GlobalNameMapEntry *e = static_cast<GlobalNameMapEntry *>(entry);
// An entry is being cleared, let the key (nsString) do its own
// cleanup.
e->mKey.~nsString();
if (e->mGlobalName.mType == nsGlobalNameStruct::eTypeExternalClassInfo) {
nsIClassInfo* ci = GET_CLEAN_CI_PTR(e->mGlobalName.mData->mCachedClassInfo);
// If we constructed an internal helper, we'll let the helper delete
// the nsDOMClassInfoData structure, if not we do it here.
if (!ci || e->mGlobalName.mData->u.mExternalConstructorFptr) {
delete e->mGlobalName.mData;
}
// Release our pointer to the helper.
NS_IF_RELEASE(ci);
}
else if (e->mGlobalName.mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) {
delete e->mGlobalName.mAlias;
}
// This will set e->mGlobalName.mType to
// nsGlobalNameStruct::eTypeNotInitialized
memset(&e->mGlobalName, 0, sizeof(nsGlobalNameStruct));
}
static void
GlobalNameHashInitEntry(PLDHashEntryHdr *entry, const void *key)
{
GlobalNameMapEntry *e = static_cast<GlobalNameMapEntry *>(entry);
const nsAString *keyStr = static_cast<const nsAString *>(key);
// Initialize the key in the entry with placement new
new (&e->mKey) nsString(*keyStr);
// This will set e->mGlobalName.mType to
// nsGlobalNameStruct::eTypeNotInitialized
memset(&e->mGlobalName, 0, sizeof(nsGlobalNameStruct));
}
NS_IMPL_ISUPPORTS(
nsScriptNameSpaceManager,
nsIObserver,
nsISupportsWeakReference,
nsIMemoryReporter)
static const PLDHashTableOps hash_table_ops =
{
GlobalNameHashHashKey,
GlobalNameHashMatchEntry,
PLDHashTable::MoveEntryStub,
GlobalNameHashClearEntry,
GlobalNameHashInitEntry
};
#define GLOBALNAME_HASHTABLE_INITIAL_LENGTH 512
nsScriptNameSpaceManager::nsScriptNameSpaceManager()
: mGlobalNames(&hash_table_ops, sizeof(GlobalNameMapEntry),
GLOBALNAME_HASHTABLE_INITIAL_LENGTH)
, mNavigatorNames(&hash_table_ops, sizeof(GlobalNameMapEntry),
GLOBALNAME_HASHTABLE_INITIAL_LENGTH)
{
MOZ_COUNT_CTOR(nsScriptNameSpaceManager);
}
nsScriptNameSpaceManager::~nsScriptNameSpaceManager()
{
UnregisterWeakMemoryReporter(this);
MOZ_COUNT_DTOR(nsScriptNameSpaceManager);
}
nsGlobalNameStruct *
nsScriptNameSpaceManager::AddToHash(PLDHashTable *aTable, const nsAString *aKey,
const char16_t **aClassName)
{
auto entry = static_cast<GlobalNameMapEntry*>(aTable->Add(aKey, fallible));
if (!entry) {
return nullptr;
}
if (aClassName) {
*aClassName = entry->mKey.get();
}
return &entry->mGlobalName;
}
void
nsScriptNameSpaceManager::RemoveFromHash(PLDHashTable *aTable,
const nsAString *aKey)
{
aTable->Remove(aKey);
}
nsGlobalNameStruct*
nsScriptNameSpaceManager::GetConstructorProto(const nsGlobalNameStruct* aStruct)
{
NS_ASSERTION(aStruct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias,
"This function only works on constructor aliases!");
if (!aStruct->mAlias->mProto) {
auto proto = static_cast<GlobalNameMapEntry*>
(mGlobalNames.Search(&aStruct->mAlias->mProtoName));
if (proto) {
aStruct->mAlias->mProto = &proto->mGlobalName;
}
}
return aStruct->mAlias->mProto;
}
nsresult
nsScriptNameSpaceManager::FillHash(nsICategoryManager *aCategoryManager,
const char *aCategory)
{
nsCOMPtr<nsISimpleEnumerator> e;
nsresult rv = aCategoryManager->EnumerateCategory(aCategory,
getter_AddRefs(e));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsISupports> entry;
while (NS_SUCCEEDED(e->GetNext(getter_AddRefs(entry)))) {
rv = AddCategoryEntryToHash(aCategoryManager, aCategory, entry);
if (NS_FAILED(rv)) {
return rv;
}
}
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::RegisterExternalInterfaces(bool aAsProto)
{
nsresult rv;
nsCOMPtr<nsICategoryManager> cm =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInterfaceInfoManager>
iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID));
NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE);
nsCOMPtr<nsISimpleEnumerator> enumerator;
rv = cm->EnumerateCategory(JAVASCRIPT_DOM_INTERFACE,
getter_AddRefs(enumerator));
NS_ENSURE_SUCCESS(rv, rv);
nsXPIDLCString IID_string;
nsAutoCString category_entry;
const char* if_name;
nsCOMPtr<nsISupports> entry;
nsCOMPtr<nsIInterfaceInfo> if_info;
bool found_old, dom_prefix;
while (NS_SUCCEEDED(enumerator->GetNext(getter_AddRefs(entry)))) {
nsCOMPtr<nsISupportsCString> category(do_QueryInterface(entry));
if (!category) {
NS_WARNING("Category entry not an nsISupportsCString!");
continue;
}
rv = category->GetData(category_entry);
NS_ENSURE_SUCCESS(rv, rv);
rv = cm->GetCategoryEntry(JAVASCRIPT_DOM_INTERFACE, category_entry.get(),
getter_Copies(IID_string));
NS_ENSURE_SUCCESS(rv, rv);
nsIID primary_IID;
if (!primary_IID.Parse(IID_string) ||
primary_IID.Equals(NS_GET_IID(nsISupports))) {
NS_ERROR("Invalid IID registered with the script namespace manager!");
continue;
}
iim->GetInfoForIID(&primary_IID, getter_AddRefs(if_info));
while (if_info) {
const nsIID *iid;
if_info->GetIIDShared(&iid);
NS_ENSURE_TRUE(iid, NS_ERROR_UNEXPECTED);
if (iid->Equals(NS_GET_IID(nsISupports))) {
break;
}
if_info->GetNameShared(&if_name);
dom_prefix = (strncmp(if_name, NS_DOM_INTERFACE_PREFIX,
sizeof(NS_DOM_INTERFACE_PREFIX) - 1) == 0);
const char* name;
if (dom_prefix) {
name = if_name + sizeof(NS_DOM_INTERFACE_PREFIX) - 1;
} else {
name = if_name + sizeof(NS_INTERFACE_PREFIX) - 1;
}
if (aAsProto) {
RegisterClassProto(name, iid, &found_old);
} else {
RegisterInterface(name, iid, &found_old);
}
if (found_old) {
break;
}
nsCOMPtr<nsIInterfaceInfo> tmp(if_info);
tmp->GetParent(getter_AddRefs(if_info));
}
}
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::RegisterInterface(const char* aIfName,
const nsIID *aIfIID,
bool* aFoundOld)
{
*aFoundOld = false;
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aIfName);
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
if (s->mType != nsGlobalNameStruct::eTypeNotInitialized &&
s->mType != nsGlobalNameStruct::eTypeNewDOMBinding) {
*aFoundOld = true;
return NS_OK;
}
s->mType = nsGlobalNameStruct::eTypeInterface;
s->mIID = *aIfIID;
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::Init()
{
RegisterWeakMemoryReporter(this);
nsresult rv = NS_OK;
rv = RegisterExternalInterfaces(false);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsICategoryManager> cm =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = FillHash(cm, JAVASCRIPT_GLOBAL_CONSTRUCTOR_CATEGORY);
NS_ENSURE_SUCCESS(rv, rv);
rv = FillHash(cm, JAVASCRIPT_GLOBAL_PROPERTY_CATEGORY);
NS_ENSURE_SUCCESS(rv, rv);
rv = FillHash(cm, JAVASCRIPT_GLOBAL_PRIVILEGED_PROPERTY_CATEGORY);
NS_ENSURE_SUCCESS(rv, rv);
rv = FillHash(cm, JAVASCRIPT_NAVIGATOR_PROPERTY_CATEGORY);
NS_ENSURE_SUCCESS(rv, rv);
// Initial filling of the has table has been done.
// Now, listen for changes.
nsCOMPtr<nsIObserverService> serv =
mozilla::services::GetObserverService();
if (serv) {
serv->AddObserver(this, NS_XPCOM_CATEGORY_ENTRY_ADDED_OBSERVER_ID, true);
serv->AddObserver(this, NS_XPCOM_CATEGORY_ENTRY_REMOVED_OBSERVER_ID, true);
}
return NS_OK;
}
nsGlobalNameStruct*
nsScriptNameSpaceManager::LookupNameInternal(const nsAString& aName,
const char16_t **aClassName)
{
auto entry = static_cast<GlobalNameMapEntry*>(mGlobalNames.Search(&aName));
if (entry) {
if (aClassName) {
*aClassName = entry->mKey.get();
}
return &entry->mGlobalName;
}
if (aClassName) {
*aClassName = nullptr;
}
return nullptr;
}
const nsGlobalNameStruct*
nsScriptNameSpaceManager::LookupNavigatorName(const nsAString& aName)
{
auto entry = static_cast<GlobalNameMapEntry*>(mNavigatorNames.Search(&aName));
return entry ? &entry->mGlobalName : nullptr;
}
nsresult
nsScriptNameSpaceManager::RegisterClassName(const char *aClassName,
int32_t aDOMClassInfoID,
bool aPrivileged,
bool aXBLAllowed,
const char16_t **aResult)
{
if (!nsCRT::IsAscii(aClassName)) {
NS_ERROR("Trying to register a non-ASCII class name");
return NS_OK;
}
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aClassName, aResult);
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
if (s->mType == nsGlobalNameStruct::eTypeClassConstructor) {
return NS_OK;
}
// If a external constructor is already defined with aClassName we
// won't overwrite it.
if (s->mType == nsGlobalNameStruct::eTypeExternalConstructor) {
return NS_OK;
}
NS_ASSERTION(s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
s->mType == nsGlobalNameStruct::eTypeNewDOMBinding ||
s->mType == nsGlobalNameStruct::eTypeInterface,
"Whaaa, JS environment name clash!");
s->mType = nsGlobalNameStruct::eTypeClassConstructor;
s->mDOMClassInfoID = aDOMClassInfoID;
s->mChromeOnly = aPrivileged;
s->mAllowXBL = aXBLAllowed;
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::RegisterClassProto(const char *aClassName,
const nsIID *aConstructorProtoIID,
bool *aFoundOld)
{
NS_ENSURE_ARG_POINTER(aConstructorProtoIID);
*aFoundOld = false;
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aClassName);
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
if (s->mType != nsGlobalNameStruct::eTypeNotInitialized &&
s->mType != nsGlobalNameStruct::eTypeNewDOMBinding &&
s->mType != nsGlobalNameStruct::eTypeInterface) {
*aFoundOld = true;
return NS_OK;
}
s->mType = nsGlobalNameStruct::eTypeClassProto;
s->mIID = *aConstructorProtoIID;
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::RegisterExternalClassName(const char *aClassName,
nsCID& aCID)
{
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aClassName);
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
// If an external constructor is already defined with aClassName we
// won't overwrite it.
if (s->mType == nsGlobalNameStruct::eTypeExternalConstructor) {
return NS_OK;
}
NS_ASSERTION(s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
s->mType == nsGlobalNameStruct::eTypeNewDOMBinding ||
s->mType == nsGlobalNameStruct::eTypeInterface,
"Whaaa, JS environment name clash!");
s->mType = nsGlobalNameStruct::eTypeExternalClassInfoCreator;
s->mCID = aCID;
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::RegisterDOMCIData(const char *aName,
nsDOMClassInfoExternalConstructorFnc aConstructorFptr,
const nsIID *aProtoChainInterface,
const nsIID **aInterfaces,
uint32_t aScriptableFlags,
bool aHasClassInterface,
const nsCID *aConstructorCID)
{
const char16_t* className;
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aName, &className);
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
// If an external constructor is already defined with aClassName we
// won't overwrite it.
if (s->mType == nsGlobalNameStruct::eTypeClassConstructor ||
s->mType == nsGlobalNameStruct::eTypeExternalClassInfo) {
return NS_OK;
}
// XXX Should we bail out here?
NS_ASSERTION(s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
s->mType == nsGlobalNameStruct::eTypeNewDOMBinding ||
s->mType == nsGlobalNameStruct::eTypeExternalClassInfoCreator,
"Someone tries to register classinfo data for a class that isn't new or external!");
s->mData = new nsExternalDOMClassInfoData;
s->mType = nsGlobalNameStruct::eTypeExternalClassInfo;
s->mData->mName = aName;
s->mData->mNameUTF16 = className;
if (aConstructorFptr)
s->mData->u.mExternalConstructorFptr = aConstructorFptr;
else
// null constructor will cause us to use nsDOMGenericSH::doCreate
s->mData->u.mExternalConstructorFptr = nullptr;
s->mData->mCachedClassInfo = nullptr;
s->mData->mProtoChainInterface = aProtoChainInterface;
s->mData->mInterfaces = aInterfaces;
s->mData->mScriptableFlags = aScriptableFlags;
s->mData->mHasClassInterface = aHasClassInterface;
s->mData->mConstructorCID = aConstructorCID;
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::OperateCategoryEntryHash(nsICategoryManager* aCategoryManager,
const char* aCategory,
nsISupports* aEntry,
bool aRemove)
{
MOZ_ASSERT(aCategoryManager);
// Get the type from the category name.
// NOTE: we could have passed the type in FillHash() and guessed it in
// Observe() but this way, we have only one place to update and this is
// not performance sensitive.
nsGlobalNameStruct::nametype type;
if (strcmp(aCategory, JAVASCRIPT_GLOBAL_CONSTRUCTOR_CATEGORY) == 0) {
type = nsGlobalNameStruct::eTypeExternalConstructor;
} else if (strcmp(aCategory, JAVASCRIPT_GLOBAL_PROPERTY_CATEGORY) == 0 ||
strcmp(aCategory, JAVASCRIPT_GLOBAL_PRIVILEGED_PROPERTY_CATEGORY) == 0) {
type = nsGlobalNameStruct::eTypeProperty;
} else if (strcmp(aCategory, JAVASCRIPT_NAVIGATOR_PROPERTY_CATEGORY) == 0) {
type = nsGlobalNameStruct::eTypeNavigatorProperty;
} else {
return NS_OK;
}
nsCOMPtr<nsISupportsCString> strWrapper = do_QueryInterface(aEntry);
if (!strWrapper) {
NS_WARNING("Category entry not an nsISupportsCString!");
return NS_OK;
}
nsAutoCString categoryEntry;
nsresult rv = strWrapper->GetData(categoryEntry);
NS_ENSURE_SUCCESS(rv, rv);
PLDHashTable *table;
if (type == nsGlobalNameStruct::eTypeNavigatorProperty) {
table = &mNavigatorNames;
} else {
table = &mGlobalNames;
}
// We need to handle removal before calling GetCategoryEntry
// because the category entry is already removed before we are
// notified.
if (aRemove) {
NS_ConvertASCIItoUTF16 entry(categoryEntry);
const nsGlobalNameStruct *s =
type == nsGlobalNameStruct::eTypeNavigatorProperty ?
LookupNavigatorName(entry) : LookupNameInternal(entry);
// Verify mType so that this API doesn't remove names
// registered by others.
if (!s || s->mType != type) {
return NS_OK;
}
RemoveFromHash(table, &entry);
return NS_OK;
}
nsXPIDLCString contractId;
rv = aCategoryManager->GetCategoryEntry(aCategory, categoryEntry.get(),
getter_Copies(contractId));
NS_ENSURE_SUCCESS(rv, rv);
if (type == nsGlobalNameStruct::eTypeNavigatorProperty ||
type == nsGlobalNameStruct::eTypeExternalConstructor) {
bool isNavProperty = type == nsGlobalNameStruct::eTypeNavigatorProperty;
nsPrintfCString prefName("dom.%s.disable.%s",
isNavProperty ? "navigator-property" : "global-constructor",
categoryEntry.get());
if (Preferences::GetType(prefName.get()) == nsIPrefBranch::PREF_BOOL &&
Preferences::GetBool(prefName.get(), false)) {
return NS_OK;
}
}
nsCOMPtr<nsIComponentRegistrar> registrar;
rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
NS_ENSURE_SUCCESS(rv, rv);
nsCID *cidPtr;
rv = registrar->ContractIDToCID(contractId, &cidPtr);
if (NS_FAILED(rv)) {
NS_WARNING("Bad contract id registed with the script namespace manager");
return NS_OK;
}
// Copy CID onto the stack, so we can free it right away and avoid having
// to add cleanup code at every exit point from this function.
nsCID cid = *cidPtr;
free(cidPtr);
if (type == nsGlobalNameStruct::eTypeExternalConstructor) {
nsXPIDLCString constructorProto;
rv = aCategoryManager->GetCategoryEntry(JAVASCRIPT_GLOBAL_CONSTRUCTOR_PROTO_ALIAS_CATEGORY,
categoryEntry.get(),
getter_Copies(constructorProto));
if (NS_SUCCEEDED(rv)) {
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, categoryEntry.get());
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
if (s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
s->mType == nsGlobalNameStruct::eTypeNewDOMBinding) {
s->mAlias = new nsGlobalNameStruct::ConstructorAlias;
s->mType = nsGlobalNameStruct::eTypeExternalConstructorAlias;
s->mChromeOnly = false;
s->mAlias->mCID = cid;
AppendASCIItoUTF16(constructorProto, s->mAlias->mProtoName);
s->mAlias->mProto = nullptr;
} else {
NS_WARNING("Global script name not overwritten!");
}
return NS_OK;
}
}
nsGlobalNameStruct *s = AddToHash(table, categoryEntry.get());
NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
if (s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
s->mType == nsGlobalNameStruct::eTypeNewDOMBinding) {
s->mType = type;
s->mCID = cid;
s->mChromeOnly =
strcmp(aCategory, JAVASCRIPT_GLOBAL_PRIVILEGED_PROPERTY_CATEGORY) == 0;
} else {
NS_WARNING("Global script name not overwritten!");
}
return NS_OK;
}
nsresult
nsScriptNameSpaceManager::AddCategoryEntryToHash(nsICategoryManager* aCategoryManager,
const char* aCategory,
nsISupports* aEntry)
{
return OperateCategoryEntryHash(aCategoryManager, aCategory, aEntry,
/* aRemove = */ false);
}
nsresult
nsScriptNameSpaceManager::RemoveCategoryEntryFromHash(nsICategoryManager* aCategoryManager,
const char* aCategory,
nsISupports* aEntry)
{
return OperateCategoryEntryHash(aCategoryManager, aCategory, aEntry,
/* aRemove = */ true);
}
NS_IMETHODIMP
nsScriptNameSpaceManager::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData)
{
if (!aData) {
return NS_OK;
}
if (!strcmp(aTopic, NS_XPCOM_CATEGORY_ENTRY_ADDED_OBSERVER_ID)) {
nsCOMPtr<nsICategoryManager> cm =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
if (!cm) {
return NS_OK;
}
return AddCategoryEntryToHash(cm, NS_ConvertUTF16toUTF8(aData).get(),
aSubject);
} else if (!strcmp(aTopic, NS_XPCOM_CATEGORY_ENTRY_REMOVED_OBSERVER_ID)) {
nsCOMPtr<nsICategoryManager> cm =
do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
if (!cm) {
return NS_OK;
}
return RemoveCategoryEntryFromHash(cm, NS_ConvertUTF16toUTF8(aData).get(),
aSubject);
}
// TODO: we could observe NS_XPCOM_CATEGORY_CLEARED_OBSERVER_ID
// but we are safe without it. See bug 600460.
return NS_OK;
}
void
nsScriptNameSpaceManager::RegisterDefineDOMInterface(const nsAFlatString& aName,
mozilla::dom::DefineInterface aDefineDOMInterface,
mozilla::dom::ConstructorEnabled* aConstructorEnabled)
{
nsGlobalNameStruct *s = AddToHash(&mGlobalNames, &aName);
if (s) {
if (s->mType == nsGlobalNameStruct::eTypeNotInitialized) {
s->mType = nsGlobalNameStruct::eTypeNewDOMBinding;
}
s->mDefineDOMInterface = aDefineDOMInterface;
s->mConstructorEnabled = aConstructorEnabled;
}
}
void
nsScriptNameSpaceManager::RegisterNavigatorDOMConstructor(
const nsAFlatString& aName,
mozilla::dom::ConstructNavigatorProperty aNavConstructor,
mozilla::dom::ConstructorEnabled* aConstructorEnabled)
{
nsGlobalNameStruct *s = AddToHash(&mNavigatorNames, &aName);
if (s) {
if (s->mType == nsGlobalNameStruct::eTypeNotInitialized) {
s->mType = nsGlobalNameStruct::eTypeNewDOMBinding;
}
s->mConstructNavigatorProperty = aNavConstructor;
s->mConstructorEnabled = aConstructorEnabled;
}
}
MOZ_DEFINE_MALLOC_SIZE_OF(ScriptNameSpaceManagerMallocSizeOf)
NS_IMETHODIMP
nsScriptNameSpaceManager::CollectReports(
nsIHandleReportCallback* aHandleReport, nsISupports* aData, bool aAnonymize)
{
return MOZ_COLLECT_REPORT(
"explicit/script-namespace-manager", KIND_HEAP, UNITS_BYTES,
SizeOfIncludingThis(ScriptNameSpaceManagerMallocSizeOf),
"Memory used for the script namespace manager.");
}
size_t
nsScriptNameSpaceManager::SizeOfIncludingThis(
mozilla::MallocSizeOf aMallocSizeOf) const
{
size_t n = 0;
n += mGlobalNames.ShallowSizeOfExcludingThis(aMallocSizeOf);
for (auto iter = mGlobalNames.ConstIter(); !iter.Done(); iter.Next()) {
auto entry = static_cast<GlobalNameMapEntry*>(iter.Get());
n += entry->SizeOfExcludingThis(aMallocSizeOf);
}
n += mNavigatorNames.ShallowSizeOfExcludingThis(aMallocSizeOf);
for (auto iter = mNavigatorNames.ConstIter(); !iter.Done(); iter.Next()) {
auto entry = static_cast<GlobalNameMapEntry*>(iter.Get());
n += entry->SizeOfExcludingThis(aMallocSizeOf);
}
return n;
}
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