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pjs
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Work around crash by not assuming we have an owner

This commit is contained in:
kipp%netscape.com 1999-04-23 19:57:26 +00:00
Родитель 8465645893
Коммит 074ac7f80d
2 изменённых файлов: 62 добавлений и 58 удалений
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60
content/base/src/nsGenericElement.cpp
Просмотреть файл

@ -1218,8 +1218,8 @@ nsGenericElement::TriggerLink(nsIPresContext& aPresContext,
nsresult
nsGenericElement::AddScriptEventListener(nsIAtom* aAttribute,
const nsString& aValue,
REFNSIID aIID)
const nsString& aValue,
REFNSIID aIID)
{
nsresult ret = NS_OK;
nsIScriptContext* context;
@ -1227,41 +1227,43 @@ nsGenericElement::AddScriptEventListener(nsIAtom* aAttribute,
if (nsnull != mDocument) {
owner = mDocument->GetScriptContextOwner();
if (NS_OK == owner->GetScriptContext(&context)) {
if (nsHTMLAtoms::body == mTag || nsHTMLAtoms::frameset == mTag) {
nsIDOMEventReceiver *receiver;
nsIScriptGlobalObject *global = context->GetGlobalObject();
if (owner) {
if (NS_OK == owner->GetScriptContext(&context)) {
if (nsHTMLAtoms::body == mTag || nsHTMLAtoms::frameset == mTag) {
nsIDOMEventReceiver *receiver;
nsIScriptGlobalObject *global = context->GetGlobalObject();
if (nsnull != global && NS_OK == global->QueryInterface(kIDOMEventReceiverIID, (void**)&receiver)) {
if (nsnull != global && NS_OK == global->QueryInterface(kIDOMEventReceiverIID, (void**)&receiver)) {
nsIEventListenerManager *manager;
if (NS_OK == receiver->GetListenerManager(&manager)) {
nsIScriptObjectOwner *mObjectOwner;
if (NS_OK == global->QueryInterface(kIScriptObjectOwnerIID, (void**)&mObjectOwner)) {
ret = manager->AddScriptEventListener(context, mObjectOwner, aAttribute, aValue, aIID);
NS_RELEASE(mObjectOwner);
}
NS_RELEASE(manager);
}
NS_RELEASE(receiver);
}
NS_IF_RELEASE(global);
}
else {
nsIEventListenerManager *manager;
if (NS_OK == receiver->GetListenerManager(&manager)) {
nsIScriptObjectOwner *mObjectOwner;
if (NS_OK == global->QueryInterface(kIScriptObjectOwnerIID, (void**)&mObjectOwner)) {
ret = manager->AddScriptEventListener(context, mObjectOwner, aAttribute, aValue, aIID);
NS_RELEASE(mObjectOwner);
if (NS_OK == GetListenerManager(&manager)) {
nsIScriptObjectOwner* owner;
if (NS_OK == mContent->QueryInterface(kIScriptObjectOwnerIID,
(void**) &owner)) {
ret = manager->AddScriptEventListener(context, owner,
aAttribute, aValue, aIID);
NS_RELEASE(owner);
}
NS_RELEASE(manager);
}
NS_RELEASE(receiver);
}
NS_IF_RELEASE(global);
NS_RELEASE(context);
}
else {
nsIEventListenerManager *manager;
if (NS_OK == GetListenerManager(&manager)) {
nsIScriptObjectOwner* owner;
if (NS_OK == mContent->QueryInterface(kIScriptObjectOwnerIID,
(void**) &owner)) {
ret = manager->AddScriptEventListener(context, owner,
aAttribute, aValue, aIID);
NS_RELEASE(owner);
}
NS_RELEASE(manager);
}
}
NS_RELEASE(context);
NS_RELEASE(owner);
}
NS_RELEASE(owner);
}
return ret;
}

60
layout/base/src/nsGenericElement.cpp
Просмотреть файл

@ -1218,8 +1218,8 @@ nsGenericElement::TriggerLink(nsIPresContext& aPresContext,
nsresult
nsGenericElement::AddScriptEventListener(nsIAtom* aAttribute,
const nsString& aValue,
REFNSIID aIID)
const nsString& aValue,
REFNSIID aIID)
{
nsresult ret = NS_OK;
nsIScriptContext* context;
@ -1227,41 +1227,43 @@ nsGenericElement::AddScriptEventListener(nsIAtom* aAttribute,
if (nsnull != mDocument) {
owner = mDocument->GetScriptContextOwner();
if (NS_OK == owner->GetScriptContext(&context)) {
if (nsHTMLAtoms::body == mTag || nsHTMLAtoms::frameset == mTag) {
nsIDOMEventReceiver *receiver;
nsIScriptGlobalObject *global = context->GetGlobalObject();
if (owner) {
if (NS_OK == owner->GetScriptContext(&context)) {
if (nsHTMLAtoms::body == mTag || nsHTMLAtoms::frameset == mTag) {
nsIDOMEventReceiver *receiver;
nsIScriptGlobalObject *global = context->GetGlobalObject();
if (nsnull != global && NS_OK == global->QueryInterface(kIDOMEventReceiverIID, (void**)&receiver)) {
if (nsnull != global && NS_OK == global->QueryInterface(kIDOMEventReceiverIID, (void**)&receiver)) {
nsIEventListenerManager *manager;
if (NS_OK == receiver->GetListenerManager(&manager)) {
nsIScriptObjectOwner *mObjectOwner;
if (NS_OK == global->QueryInterface(kIScriptObjectOwnerIID, (void**)&mObjectOwner)) {
ret = manager->AddScriptEventListener(context, mObjectOwner, aAttribute, aValue, aIID);
NS_RELEASE(mObjectOwner);
}
NS_RELEASE(manager);
}
NS_RELEASE(receiver);
}
NS_IF_RELEASE(global);
}
else {
nsIEventListenerManager *manager;
if (NS_OK == receiver->GetListenerManager(&manager)) {
nsIScriptObjectOwner *mObjectOwner;
if (NS_OK == global->QueryInterface(kIScriptObjectOwnerIID, (void**)&mObjectOwner)) {
ret = manager->AddScriptEventListener(context, mObjectOwner, aAttribute, aValue, aIID);
NS_RELEASE(mObjectOwner);
if (NS_OK == GetListenerManager(&manager)) {
nsIScriptObjectOwner* owner;
if (NS_OK == mContent->QueryInterface(kIScriptObjectOwnerIID,
(void**) &owner)) {
ret = manager->AddScriptEventListener(context, owner,
aAttribute, aValue, aIID);
NS_RELEASE(owner);
}
NS_RELEASE(manager);
}
NS_RELEASE(receiver);
}
NS_IF_RELEASE(global);
NS_RELEASE(context);
}
else {
nsIEventListenerManager *manager;
if (NS_OK == GetListenerManager(&manager)) {
nsIScriptObjectOwner* owner;
if (NS_OK == mContent->QueryInterface(kIScriptObjectOwnerIID,
(void**) &owner)) {
ret = manager->AddScriptEventListener(context, owner,
aAttribute, aValue, aIID);
NS_RELEASE(owner);
}
NS_RELEASE(manager);
}
}
NS_RELEASE(context);
NS_RELEASE(owner);
}
NS_RELEASE(owner);
}
return ret;
}