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safety checks for null pointers

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Bug 172783 r=dcone sr=kin


git-svn-id: svn://10.0.0.236/trunk@131421 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
rods%netscape.com 2002-10-08 10:46:27 +00:00
parent 381f006b3e
commit 4e382b6136
4 changed files with 26 additions and 12 deletions
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10
mozilla/embedding/components/printingui/src/mac/nsPrintingPromptService.cpp
View File

@ -509,11 +509,15 @@ nsPrintingPromptService::ShowPrinterProperties(nsIDOMWindow *parent, const PRUni
NS_IMETHODIMP
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags, nsresult aStatus)
{
if (aStateFlags & STATE_STOP)
if ((aStateFlags & STATE_STOP) && mWebProgressListener)
{
mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
mPrintProgress->CloseProgressDialog(PR_TRUE);
mPrintProgress = nsnull;
if (mPrintProgress)
{
mPrintProgress->CloseProgressDialog(PR_TRUE);
}
mPrintProgress = nsnull;
mWebProgressListener = nsnull;
}
return NS_OK;
}

10
mozilla/embedding/components/printingui/src/mac/nsPrintingPromptServiceX.cpp
View File

@ -370,11 +370,15 @@ nsPrintingPromptService::ShowPrinterProperties(nsIDOMWindow *parent, const PRUni
NS_IMETHODIMP
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags, nsresult aStatus)
{
if (aStateFlags & STATE_STOP)
if ((aStateFlags & STATE_STOP) && mWebProgressListener)
{
mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
mPrintProgress->CloseProgressDialog(PR_TRUE);
mPrintProgress = nsnull;
if (mPrintProgress)
{
mPrintProgress->CloseProgressDialog(PR_TRUE);
}
mPrintProgress = nsnull;
mWebProgressListener = nsnull;
}
return NS_OK;
}

9
mozilla/embedding/components/printingui/src/os2/nsPrintingPromptService.cpp
View File

@ -285,10 +285,13 @@ nsPrintingPromptService::DoDialog(nsIDOMWindow *aParent,
NS_IMETHODIMP
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags, nsresult aStatus)
{
if (aStateFlags & STATE_STOP) {
if ((aStateFlags & STATE_STOP) && mWebProgressListener) {
mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
mPrintProgress->CloseProgressDialog(PR_TRUE);
mPrintProgress = nsnull;
if (mPrintProgress) {
mPrintProgress->CloseProgressDialog(PR_TRUE);
}
mPrintProgress = nsnull;
mWebProgressListener = nsnull;
}
return NS_OK;
}

9
mozilla/embedding/components/printingui/src/unixshared/nsPrintingPromptService.cpp
View File

@ -291,10 +291,13 @@ nsPrintingPromptService::DoDialog(nsIDOMWindow *aParent,
NS_IMETHODIMP
nsPrintingPromptService::OnStateChange(nsIWebProgress *aWebProgress, nsIRequest *aRequest, PRUint32 aStateFlags, nsresult aStatus)
{
if (aStateFlags & STATE_STOP) {
if ((aStateFlags & STATE_STOP) && mWebProgressListener) {
mWebProgressListener->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
mPrintProgress->CloseProgressDialog(PR_TRUE);
mPrintProgress = nsnull;
if (mPrintProgress) {
mPrintProgress->CloseProgressDialog(PR_TRUE);
}
mPrintProgress = nsnull;
mWebProgressListener = nsnull;
}
return NS_OK;
}