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Fix for 89672 -- topembed, crash on exit with xpcom plugin, r=peterl, sr=waterson

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This commit is contained in:
av%netscape.com 2001-08-17 00:45:25 +00:00
parent 2378f45476
commit 5893e07753
4 changed files with 33 additions and 38 deletions
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13
layout/generic/nsObjectFrame.cpp
View File

@ -602,6 +602,11 @@ nsObjectFrame::Destroy(nsIPresContext* aPresContext)
inst->SetWindow(nsnull);
inst->Stop();
}
nsCOMPtr<nsIPluginHost> pluginHost = do_GetService(kCPluginManagerCID);
if(pluginHost)
pluginHost->StopPluginInstance(inst);
NS_RELEASE(inst);
}
}
@ -1716,13 +1721,7 @@ nsPluginInstanceOwner::~nsPluginInstanceOwner()
CancelTimer();
}
if (nsnull != mInstance)
{
if (mPluginHost)
mPluginHost->StopPluginInstance(mInstance);
NS_IF_RELEASE(mInstance);
}
NS_IF_RELEASE(mInstance);
NS_IF_RELEASE(mPluginHost);
mOwner = nsnull;

13
layout/html/base/src/nsObjectFrame.cpp
View File

@ -602,6 +602,11 @@ nsObjectFrame::Destroy(nsIPresContext* aPresContext)
inst->SetWindow(nsnull);
inst->Stop();
}
nsCOMPtr<nsIPluginHost> pluginHost = do_GetService(kCPluginManagerCID);
if(pluginHost)
pluginHost->StopPluginInstance(inst);
NS_RELEASE(inst);
}
}
@ -1716,13 +1721,7 @@ nsPluginInstanceOwner::~nsPluginInstanceOwner()
CancelTimer();
}
if (nsnull != mInstance)
{
if (mPluginHost)
mPluginHost->StopPluginInstance(mInstance);
NS_IF_RELEASE(mInstance);
}
NS_IF_RELEASE(mInstance);
NS_IF_RELEASE(mPluginHost);
mOwner = nsnull;

11
modules/plugin/base/src/nsPluginInstancePeer.cpp
View File

@ -56,7 +56,7 @@ nsPluginInstancePeerImpl::nsPluginInstancePeerImpl()
nsPluginInstancePeerImpl::~nsPluginInstancePeerImpl()
{
mInstance = nsnull;
mOwner = nsnull;
NS_IF_RELEASE(mOwner);
if (nsnull != mMIMEType)
{
@ -896,11 +896,10 @@ NS_IMETHODIMP nsPluginInstancePeerImpl::GetJSContext(JSContext* *outContext)
nsresult nsPluginInstancePeerImpl::Initialize(nsIPluginInstanceOwner *aOwner,
const nsMIMEType aMIMEType)
{
//don't add a ref to prevent circular references... MMP
mOwner = aOwner;
NS_IF_ADDREF(mOwner);
aOwner->GetInstance(mInstance);
//release this one too... MMP
NS_IF_RELEASE(mInstance);
if (nsnull != aMIMEType)
@ -919,8 +918,12 @@ nsresult nsPluginInstancePeerImpl::Initialize(nsIPluginInstanceOwner *aOwner,
nsresult nsPluginInstancePeerImpl::SetOwner(nsIPluginInstanceOwner *aOwner)
{
// do not add refs to these objects to prevent circular references
// get rid of the previous owner
NS_IF_RELEASE(mOwner);
mOwner = aOwner;
NS_IF_ADDREF(mOwner);
aOwner->GetInstance(mInstance);
NS_IF_RELEASE(mInstance);
return NS_OK;

34
modules/plugin/base/src/nsPluginViewer.cpp
View File

@ -254,6 +254,19 @@ PluginViewerImpl::~PluginViewerImpl()
if (mOwner) mOwner->CancelTimer();
#endif
if(mOwner) {
nsIPluginInstance * inst;
mOwner->GetInstance(inst);
if(inst) {
nsCOMPtr<nsIPluginHost> host = do_GetService(kCPluginManagerCID);
if(host)
host->StopPluginInstance(inst);
NS_RELEASE(inst);
}
}
NS_IF_RELEASE(mOwner);
if (nsnull != mWindow) {
mWindow->Destroy();
@ -913,26 +926,7 @@ pluginInstanceOwner :: ~pluginInstanceOwner()
CancelTimer();
}
if (nsnull != mInstance)
{
PRBool doCache = PR_TRUE;
// determine if the plugin wants to be cached
mInstance->GetValue(nsPluginInstanceVariable_DoCacheBool,
(void *) &doCache);
mInstance->Stop();
if (!doCache) {
// if not, destroy the instance
mInstance->Destroy();
}
else {
nsCOMPtr<nsIPluginHost> host;
host = do_GetService(kCPluginManagerCID);
if(host)
host->StopPluginInstance(mInstance);
}
NS_IF_RELEASE(mInstance);
}
NS_IF_RELEASE(mInstance);
mWindow = nsnull;
mViewer = nsnull;