mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
750 lines
23 KiB
C++
750 lines
23 KiB
C++
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/* -*- 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 "nsScriptNameSpaceManager.h"
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsIComponentRegistrar.h"
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#include "nsICategoryManager.h"
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#include "nsIServiceManager.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIScriptNameSpaceManager.h"
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#include "nsIScriptContext.h"
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#include "nsIInterfaceInfoManager.h"
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#include "nsIInterfaceInfo.h"
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#include "xptinfo.h"
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#include "nsXPIDLString.h"
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#include "nsPrintfCString.h"
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#include "nsReadableUtils.h"
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#include "nsHashKeys.h"
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#include "nsDOMClassInfo.h"
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#include "nsCRT.h"
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#include "nsIObserverService.h"
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#include "nsISimpleEnumerator.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Services.h"
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#define NS_INTERFACE_PREFIX "nsI"
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#define NS_DOM_INTERFACE_PREFIX "nsIDOM"
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using namespace mozilla;
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static PLDHashNumber
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GlobalNameHashHashKey(PLDHashTable *table, const void *key)
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{
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const nsAString *str = static_cast<const nsAString *>(key);
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return HashString(*str);
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}
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static bool
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GlobalNameHashMatchEntry(PLDHashTable *table, const PLDHashEntryHdr *entry,
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const void *key)
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{
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const GlobalNameMapEntry *e =
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static_cast<const GlobalNameMapEntry *>(entry);
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const nsAString *str = static_cast<const nsAString *>(key);
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return str->Equals(e->mKey);
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}
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static void
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GlobalNameHashClearEntry(PLDHashTable *table, PLDHashEntryHdr *entry)
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{
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GlobalNameMapEntry *e = static_cast<GlobalNameMapEntry *>(entry);
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// An entry is being cleared, let the key (nsString) do its own
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// cleanup.
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e->mKey.~nsString();
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if (e->mGlobalName.mType == nsGlobalNameStruct::eTypeExternalClassInfo) {
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nsIClassInfo* ci = GET_CLEAN_CI_PTR(e->mGlobalName.mData->mCachedClassInfo);
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// If we constructed an internal helper, we'll let the helper delete
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// the nsDOMClassInfoData structure, if not we do it here.
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if (!ci || e->mGlobalName.mData->u.mExternalConstructorFptr) {
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delete e->mGlobalName.mData;
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}
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// Release our pointer to the helper.
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NS_IF_RELEASE(ci);
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}
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else if (e->mGlobalName.mType == nsGlobalNameStruct::eTypeExternalConstructorAlias) {
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delete e->mGlobalName.mAlias;
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}
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// This will set e->mGlobalName.mType to
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// nsGlobalNameStruct::eTypeNotInitialized
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memset(&e->mGlobalName, 0, sizeof(nsGlobalNameStruct));
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}
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static void
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GlobalNameHashInitEntry(PLDHashEntryHdr *entry, const void *key)
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{
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GlobalNameMapEntry *e = static_cast<GlobalNameMapEntry *>(entry);
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const nsAString *keyStr = static_cast<const nsAString *>(key);
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// Initialize the key in the entry with placement new
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new (&e->mKey) nsString(*keyStr);
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// This will set e->mGlobalName.mType to
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// nsGlobalNameStruct::eTypeNotInitialized
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memset(&e->mGlobalName, 0, sizeof(nsGlobalNameStruct));
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}
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NS_IMPL_ISUPPORTS(
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nsScriptNameSpaceManager,
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nsIObserver,
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nsISupportsWeakReference,
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nsIMemoryReporter)
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static const PLDHashTableOps hash_table_ops =
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{
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GlobalNameHashHashKey,
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GlobalNameHashMatchEntry,
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PLDHashTable::MoveEntryStub,
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GlobalNameHashClearEntry,
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GlobalNameHashInitEntry
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};
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#define GLOBALNAME_HASHTABLE_INITIAL_LENGTH 512
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nsScriptNameSpaceManager::nsScriptNameSpaceManager()
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: mGlobalNames(&hash_table_ops, sizeof(GlobalNameMapEntry),
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GLOBALNAME_HASHTABLE_INITIAL_LENGTH)
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, mNavigatorNames(&hash_table_ops, sizeof(GlobalNameMapEntry),
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GLOBALNAME_HASHTABLE_INITIAL_LENGTH)
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{
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MOZ_COUNT_CTOR(nsScriptNameSpaceManager);
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}
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nsScriptNameSpaceManager::~nsScriptNameSpaceManager()
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{
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UnregisterWeakMemoryReporter(this);
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MOZ_COUNT_DTOR(nsScriptNameSpaceManager);
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}
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nsGlobalNameStruct *
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nsScriptNameSpaceManager::AddToHash(PLDHashTable *aTable, const nsAString *aKey,
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const char16_t **aClassName)
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{
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auto entry = static_cast<GlobalNameMapEntry*>(aTable->Add(aKey, fallible));
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if (!entry) {
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return nullptr;
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}
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if (aClassName) {
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*aClassName = entry->mKey.get();
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}
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return &entry->mGlobalName;
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}
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void
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nsScriptNameSpaceManager::RemoveFromHash(PLDHashTable *aTable,
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const nsAString *aKey)
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{
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aTable->Remove(aKey);
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}
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nsGlobalNameStruct*
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nsScriptNameSpaceManager::GetConstructorProto(const nsGlobalNameStruct* aStruct)
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{
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NS_ASSERTION(aStruct->mType == nsGlobalNameStruct::eTypeExternalConstructorAlias,
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"This function only works on constructor aliases!");
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if (!aStruct->mAlias->mProto) {
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auto proto = static_cast<GlobalNameMapEntry*>
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(mGlobalNames.Search(&aStruct->mAlias->mProtoName));
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if (proto) {
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aStruct->mAlias->mProto = &proto->mGlobalName;
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}
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}
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return aStruct->mAlias->mProto;
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}
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nsresult
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nsScriptNameSpaceManager::FillHash(nsICategoryManager *aCategoryManager,
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const char *aCategory)
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{
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nsCOMPtr<nsISimpleEnumerator> e;
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nsresult rv = aCategoryManager->EnumerateCategory(aCategory,
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getter_AddRefs(e));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsISupports> entry;
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while (NS_SUCCEEDED(e->GetNext(getter_AddRefs(entry)))) {
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rv = AddCategoryEntryToHash(aCategoryManager, aCategory, entry);
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if (NS_FAILED(rv)) {
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return rv;
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}
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}
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return NS_OK;
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}
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nsresult
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nsScriptNameSpaceManager::RegisterExternalInterfaces(bool aAsProto)
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{
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nsresult rv;
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nsCOMPtr<nsICategoryManager> cm =
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do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIInterfaceInfoManager>
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iim(do_GetService(NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID));
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NS_ENSURE_TRUE(iim, NS_ERROR_NOT_AVAILABLE);
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nsCOMPtr<nsISimpleEnumerator> enumerator;
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rv = cm->EnumerateCategory(JAVASCRIPT_DOM_INTERFACE,
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getter_AddRefs(enumerator));
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NS_ENSURE_SUCCESS(rv, rv);
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nsXPIDLCString IID_string;
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nsAutoCString category_entry;
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const char* if_name;
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nsCOMPtr<nsISupports> entry;
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nsCOMPtr<nsIInterfaceInfo> if_info;
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bool found_old, dom_prefix;
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while (NS_SUCCEEDED(enumerator->GetNext(getter_AddRefs(entry)))) {
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nsCOMPtr<nsISupportsCString> category(do_QueryInterface(entry));
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if (!category) {
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NS_WARNING("Category entry not an nsISupportsCString!");
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continue;
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}
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rv = category->GetData(category_entry);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = cm->GetCategoryEntry(JAVASCRIPT_DOM_INTERFACE, category_entry.get(),
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getter_Copies(IID_string));
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NS_ENSURE_SUCCESS(rv, rv);
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nsIID primary_IID;
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if (!primary_IID.Parse(IID_string) ||
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primary_IID.Equals(NS_GET_IID(nsISupports))) {
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NS_ERROR("Invalid IID registered with the script namespace manager!");
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continue;
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}
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iim->GetInfoForIID(&primary_IID, getter_AddRefs(if_info));
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while (if_info) {
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const nsIID *iid;
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if_info->GetIIDShared(&iid);
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NS_ENSURE_TRUE(iid, NS_ERROR_UNEXPECTED);
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if (iid->Equals(NS_GET_IID(nsISupports))) {
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break;
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}
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if_info->GetNameShared(&if_name);
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dom_prefix = (strncmp(if_name, NS_DOM_INTERFACE_PREFIX,
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sizeof(NS_DOM_INTERFACE_PREFIX) - 1) == 0);
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const char* name;
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if (dom_prefix) {
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name = if_name + sizeof(NS_DOM_INTERFACE_PREFIX) - 1;
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} else {
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name = if_name + sizeof(NS_INTERFACE_PREFIX) - 1;
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}
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if (aAsProto) {
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RegisterClassProto(name, iid, &found_old);
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} else {
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RegisterInterface(name, iid, &found_old);
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}
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if (found_old) {
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break;
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}
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nsCOMPtr<nsIInterfaceInfo> tmp(if_info);
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tmp->GetParent(getter_AddRefs(if_info));
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}
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}
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return NS_OK;
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}
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nsresult
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nsScriptNameSpaceManager::RegisterInterface(const char* aIfName,
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const nsIID *aIfIID,
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bool* aFoundOld)
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{
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*aFoundOld = false;
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nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aIfName);
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NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
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if (s->mType != nsGlobalNameStruct::eTypeNotInitialized &&
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s->mType != nsGlobalNameStruct::eTypeNewDOMBinding) {
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*aFoundOld = true;
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return NS_OK;
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}
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s->mType = nsGlobalNameStruct::eTypeInterface;
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s->mIID = *aIfIID;
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return NS_OK;
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}
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nsresult
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nsScriptNameSpaceManager::Init()
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{
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RegisterWeakMemoryReporter(this);
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nsresult rv = NS_OK;
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rv = RegisterExternalInterfaces(false);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsICategoryManager> cm =
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do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = FillHash(cm, JAVASCRIPT_GLOBAL_CONSTRUCTOR_CATEGORY);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = FillHash(cm, JAVASCRIPT_GLOBAL_PROPERTY_CATEGORY);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = FillHash(cm, JAVASCRIPT_GLOBAL_PRIVILEGED_PROPERTY_CATEGORY);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = FillHash(cm, JAVASCRIPT_NAVIGATOR_PROPERTY_CATEGORY);
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NS_ENSURE_SUCCESS(rv, rv);
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// Initial filling of the has table has been done.
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// Now, listen for changes.
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nsCOMPtr<nsIObserverService> serv =
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mozilla::services::GetObserverService();
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if (serv) {
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serv->AddObserver(this, NS_XPCOM_CATEGORY_ENTRY_ADDED_OBSERVER_ID, true);
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serv->AddObserver(this, NS_XPCOM_CATEGORY_ENTRY_REMOVED_OBSERVER_ID, true);
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}
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return NS_OK;
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}
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nsGlobalNameStruct*
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nsScriptNameSpaceManager::LookupNameInternal(const nsAString& aName,
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const char16_t **aClassName)
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{
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auto entry = static_cast<GlobalNameMapEntry*>(mGlobalNames.Search(&aName));
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if (entry) {
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if (aClassName) {
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*aClassName = entry->mKey.get();
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}
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return &entry->mGlobalName;
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}
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if (aClassName) {
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*aClassName = nullptr;
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}
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return nullptr;
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}
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const nsGlobalNameStruct*
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nsScriptNameSpaceManager::LookupNavigatorName(const nsAString& aName)
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{
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auto entry = static_cast<GlobalNameMapEntry*>(mNavigatorNames.Search(&aName));
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return entry ? &entry->mGlobalName : nullptr;
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}
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nsresult
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nsScriptNameSpaceManager::RegisterClassName(const char *aClassName,
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int32_t aDOMClassInfoID,
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bool aPrivileged,
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bool aXBLAllowed,
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const char16_t **aResult)
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{
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if (!nsCRT::IsAscii(aClassName)) {
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NS_ERROR("Trying to register a non-ASCII class name");
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return NS_OK;
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}
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nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aClassName, aResult);
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NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
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if (s->mType == nsGlobalNameStruct::eTypeClassConstructor) {
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return NS_OK;
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}
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// If a external constructor is already defined with aClassName we
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// won't overwrite it.
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if (s->mType == nsGlobalNameStruct::eTypeExternalConstructor) {
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return NS_OK;
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}
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NS_ASSERTION(s->mType == nsGlobalNameStruct::eTypeNotInitialized ||
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s->mType == nsGlobalNameStruct::eTypeNewDOMBinding ||
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s->mType == nsGlobalNameStruct::eTypeInterface,
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"Whaaa, JS environment name clash!");
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s->mType = nsGlobalNameStruct::eTypeClassConstructor;
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s->mDOMClassInfoID = aDOMClassInfoID;
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s->mChromeOnly = aPrivileged;
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s->mAllowXBL = aXBLAllowed;
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return NS_OK;
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}
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nsresult
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nsScriptNameSpaceManager::RegisterClassProto(const char *aClassName,
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const nsIID *aConstructorProtoIID,
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bool *aFoundOld)
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{
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NS_ENSURE_ARG_POINTER(aConstructorProtoIID);
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*aFoundOld = false;
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nsGlobalNameStruct *s = AddToHash(&mGlobalNames, aClassName);
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NS_ENSURE_TRUE(s, NS_ERROR_OUT_OF_MEMORY);
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if (s->mType != nsGlobalNameStruct::eTypeNotInitialized &&
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s->mType != nsGlobalNameStruct::eTypeNewDOMBinding &&
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s->mType != nsGlobalNameStruct::eTypeInterface) {
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*aFoundOld = true;
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return NS_OK;
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}
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s->mType = nsGlobalNameStruct::eTypeClassProto;
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s->mIID = *aConstructorProtoIID;
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return NS_OK;
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}
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nsresult
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nsScriptNameSpaceManager::RegisterExternalClassName(const char *aClassName,
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nsCID& aCID)
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{
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||
|
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;
|
||
|
}
|