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Bug = 48356

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author = ashuk
r = a = edburns

Added checks to make sure that DocShell is valid and that
calls to getInterface(nsIDOMWindow) return a valid object.
This commit is contained in:
ashuk%eng.sun.com 2000-08-23 00:03:49 +00:00
parent 936f8354de
commit 9fe88bca6a
1 changed files with 24 additions and 7 deletions
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31
java/webclient/src_moz/CurrentPageImpl.cpp
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@ -97,20 +97,37 @@ JNIEXPORT void JNICALL Java_org_mozilla_webclient_wrapper_1native_CurrentPageImp
nsresult rv;
NS_WITH_SERVICE(nsIFindComponent, findComponent, NS_IFINDCOMPONENT_PROGID, &rv);
if (NS_FAILED(rv)) {
if (NS_FAILED(rv) || nsnull == findComponent) {
initContext->initFailCode = kFindComponentError;
::util_ThrowExceptionToJava(env, "Exception: can't access FindComponent Service");
return;
}
nsCOMPtr<nsIInterfaceRequestor> interfaceRequestor(do_QueryInterface(initContext->docShell));
nsCOMPtr<nsIDOMWindow> domWindow;
rv = interfaceRequestor->GetInterface(NS_GET_IID(nsIDOMWindow), getter_AddRefs(domWindow));
if (NS_FAILED(rv)) {
initContext->initFailCode = kGetDOMWindowError;
::util_ThrowExceptionToJava(env, "Exception: cant get DOMWindow from DocShell");
return;
if (initContext->docShell != nsnull) {
nsCOMPtr<nsIInterfaceRequestor> interfaceRequestor(do_QueryInterface(initContext->docShell));
if (interfaceRequestor != nsnull) {
rv = interfaceRequestor->GetInterface(NS_GET_IID(nsIDOMWindow), getter_AddRefs(domWindow));
if (NS_FAILED(rv) || nsnull == domWindow) {
initContext->initFailCode = kGetDOMWindowError;
::util_ThrowExceptionToJava(env, "Exception: cant get DOMWindow from DocShell");
return;
}
}
else
{
initContext->initFailCode = kFindComponentError;
::util_ThrowExceptionToJava(env, "Exception: cant get InterfaceRequestor from DocShell");
return;
}
}
else
{
initContext->initFailCode = kFindComponentError;
::util_ThrowExceptionToJava(env, "Exception: DocShell is not initialized");
return;
}
nsCOMPtr<nsISupports> searchContext;
rv = findComponent->CreateContext(domWindow, nsnull, getter_AddRefs(searchContext));