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abort on null PresShell during focus blur and deactivate. bug 34148 r=saari

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This commit is contained in:
danm%netscape.com 2000-04-05 02:10:25 +00:00
parent db747e383a
commit 54f9e8d411
2 changed files with 62 additions and 54 deletions
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58
content/events/src/nsEventStateManager.cpp
View File

@ -490,19 +490,21 @@ nsEventStateManager::PreHandleEvent(nsIPresContext* aPresContext,
gLastFocusedContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsIPresShell> shell = getter_AddRefs(doc->GetShellAt(0));
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
if (shell) {
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
gLastFocusedContent->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
NS_IF_RELEASE(gLastFocusedContent);
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
gLastFocusedContent->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
NS_IF_RELEASE(gLastFocusedContent);
}
}
}
@ -2060,23 +2062,25 @@ nsEventStateManager::SendFocusBlur(nsIPresContext* aPresContext, nsIContent *aCo
gLastFocusedContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsIPresShell> shell = getter_AddRefs(doc->GetShellAt(0));
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
if (shell) {
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
//fire blur
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
//fire blur
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
nsCOMPtr<nsIContent> temp = gLastFocusedContent;
NS_RELEASE(gLastFocusedContent);
gLastFocusedContent = nsnull;
temp->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
nsCOMPtr<nsIContent> temp = gLastFocusedContent;
NS_RELEASE(gLastFocusedContent);
gLastFocusedContent = nsnull;
temp->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
}
}
if (clearFirstBlurEvent) {

58
layout/events/src/nsEventStateManager.cpp
View File

@ -490,19 +490,21 @@ nsEventStateManager::PreHandleEvent(nsIPresContext* aPresContext,
gLastFocusedContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsIPresShell> shell = getter_AddRefs(doc->GetShellAt(0));
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
if (shell) {
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
gLastFocusedContent->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
NS_IF_RELEASE(gLastFocusedContent);
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
gLastFocusedContent->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
NS_IF_RELEASE(gLastFocusedContent);
}
}
}
@ -2060,23 +2062,25 @@ nsEventStateManager::SendFocusBlur(nsIPresContext* aPresContext, nsIContent *aCo
gLastFocusedContent->GetDocument(*getter_AddRefs(doc));
if (doc) {
nsCOMPtr<nsIPresShell> shell = getter_AddRefs(doc->GetShellAt(0));
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
if (shell) {
nsCOMPtr<nsIPresContext> oldPresContext;
shell->GetPresContext(getter_AddRefs(oldPresContext));
//fire blur
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
//fire blur
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_BLUR_CONTENT;
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
nsCOMPtr<nsIContent> temp = gLastFocusedContent;
NS_RELEASE(gLastFocusedContent);
gLastFocusedContent = nsnull;
temp->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
nsCOMPtr<nsIEventStateManager> esm;
oldPresContext->GetEventStateManager(getter_AddRefs(esm));
esm->SetFocusedContent(gLastFocusedContent);
nsCOMPtr<nsIContent> temp = gLastFocusedContent;
NS_RELEASE(gLastFocusedContent);
gLastFocusedContent = nsnull;
temp->HandleDOMEvent(oldPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
esm->SetFocusedContent(nsnull);
}
}
if (clearFirstBlurEvent) {