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113639 - random crashes in mail, r=mscott, sr=hyatt

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hewitt%netscape.com 2001-12-07 01:34:54 +00:00
parent 60d8339d78
commit 3c3a9bd1fe
1 changed files with 68 additions and 53 deletions
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121
layout/xul/base/src/nsXULTooltipListener.cpp
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@ -52,6 +52,9 @@
#include "nsGUIEvent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIPresContext.h"
#include "nsIScriptContext.h"
#include "nsIScriptGlobalObject.h"
#include "nsIDOMWindowInternal.h"
//////////////////////////////////////////////////////////////////////////
//// nsISupports
@ -63,7 +66,7 @@ nsXULTooltipListener::nsXULTooltipListener()
mIsTargetOutliner(PR_FALSE), mNeedTitletip(PR_FALSE),
mOutlinerBox(nsnull), mLastOutlinerRow(-1)
{
NS_INIT_REFCNT();
NS_INIT_REFCNT();
}
nsXULTooltipListener::~nsXULTooltipListener()
@ -71,7 +74,7 @@ nsXULTooltipListener::~nsXULTooltipListener()
HideTooltip();
// unregister the prefs callback
nsCOMPtr<nsIPref> prefs(do_GetService(NS_PREF_CONTRACTID));
nsCOMPtr<nsIPref> prefs(do_GetService(NS_PREF_CONTRACTID));
if (prefs) {
// register the callback so we get notified of updates
prefs->UnregisterCallback("browser.chrome.toolbar_tips", (PrefChangedFunc)sTooltipPrefChanged, (void*)this);
@ -335,6 +338,7 @@ nsXULTooltipListener::CheckOutlinerBodyMove(nsIDOMMouseEvent* aMouseEvent)
// determine if we are going to need a titletip
// XXX check the disabletitletips attribute on the outliner content
mNeedTitletip = PR_FALSE;
#ifdef DEBUG_crap
if (obj.Equals(NS_LITERAL_STRING("text"))) {
nsCOMPtr<nsIOutlinerView> view;
mOutlinerBox->GetView(getter_AddRefs(view));
@ -346,9 +350,10 @@ nsXULTooltipListener::CheckOutlinerBodyMove(nsIDOMMouseEvent* aMouseEvent)
mNeedTitletip = isCropped;
}
}
#endif
if (row != mLastOutlinerRow || !mLastOutlinerCol.Equals(colId)) {
if (mCurrentTooltip &&
(row != mLastOutlinerRow || !mLastOutlinerCol.Equals(colId))) {
HideTooltip();
}
@ -505,7 +510,6 @@ nsXULTooltipListener::HideTooltip()
}
DestroyTooltip();
return NS_OK;
}
@ -540,56 +544,67 @@ nsXULTooltipListener::GetTooltipFor(nsIContent* aTarget, nsIContent** aTooltip)
if (!targetEl)
return NS_ERROR_FAILURE; // could be a text node or something
PRBool needTooltip;
targetEl->HasAttribute(NS_LITERAL_STRING("tooltiptext"), &needTooltip);
if (needTooltip) {
// specifying tooltiptext means we will always use the default tooltip
mRootBox->GetDefaultTooltip(aTooltip);
return NS_OK;
} else {
nsAutoString tooltipId;
targetEl->GetAttribute(NS_LITERAL_STRING("tooltip"), tooltipId);
// before we go on, make sure that target node still has a window
nsCOMPtr<nsIDocument> document;
if (NS_FAILED(aTarget->GetDocument(*getter_AddRefs(document))) || !document) {
NS_ERROR("Unable to retrieve the tooltip node document.");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIScriptContext> context;
nsCOMPtr<nsIScriptGlobalObject> global;
document->GetScriptGlobalObject(getter_AddRefs(global));
if (global) {
if (NS_SUCCEEDED(global->GetContext(getter_AddRefs(context))) && context) {
nsCOMPtr<nsIDOMWindowInternal> domWindow = do_QueryInterface(global);
if (!domWindow)
return NS_ERROR_FAILURE;
else {
PRBool needTooltip;
targetEl->HasAttribute(NS_LITERAL_STRING("tooltiptext"), &needTooltip);
if (needTooltip) {
// specifying tooltiptext means we will always use the default tooltip
mRootBox->GetDefaultTooltip(aTooltip);
return NS_OK;
} else {
nsAutoString tooltipId;
targetEl->GetAttribute(NS_LITERAL_STRING("tooltip"), tooltipId);
// if tooltip == _child, look for first <tooltip> child
if (tooltipId.Equals(NS_LITERAL_STRING("_child"))) {
GetImmediateChild(aTarget, nsXULAtoms::tooltip, aTooltip); // this addrefs
} else {
if (!tooltipId.IsEmpty()) {
// tooltip must be an id, use getElementById to find it
nsresult rv;
nsCOMPtr<nsIDocument> document;
if (NS_FAILED(rv = aTarget->GetDocument(*getter_AddRefs(document)))) {
NS_ERROR("Unable to retrieve the tooltip node document.");
return rv;
// if tooltip == _child, look for first <tooltip> child
if (tooltipId.Equals(NS_LITERAL_STRING("_child"))) {
GetImmediateChild(aTarget, nsXULAtoms::tooltip, aTooltip); // this addrefs
} else {
if (!tooltipId.IsEmpty()) {
// tooltip must be an id, use getElementById to find it
nsCOMPtr<nsIDOMXULDocument> xulDocument = do_QueryInterface(document);
if (!xulDocument) {
NS_ERROR("tooltip attached to an element that isn't in XUL!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMElement> tooltipEl;
xulDocument->GetElementById(tooltipId, getter_AddRefs(tooltipEl));
if (tooltipEl) {
mNeedTitletip = PR_FALSE;
nsCOMPtr<nsIContent> tooltipContent(do_QueryInterface(tooltipEl));
*aTooltip = tooltipContent;
return NS_OK;
}
}
}
}
nsCOMPtr<nsIDOMXULDocument> xulDocument = do_QueryInterface(document);
if (!xulDocument) {
NS_ERROR("tooltip attached to an element that isn't in XUL!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMElement> tooltipEl;
xulDocument->GetElementById(tooltipId, getter_AddRefs(tooltipEl));
if (tooltipEl) {
mNeedTitletip = PR_FALSE;
nsCOMPtr<nsIContent> tooltipContent(do_QueryInterface(tooltipEl));
*aTooltip = tooltipContent;
// titletips should just use the default tooltip
if (mIsTargetOutliner && mNeedTitletip) {
mRootBox->GetDefaultTooltip(aTooltip);
return NS_OK;
}
}
}
}
// titletips should just use the default tooltip
if (mIsTargetOutliner && mNeedTitletip) {
mRootBox->GetDefaultTooltip(aTooltip);
return NS_OK;
}
return NS_OK;
}
@ -616,15 +631,15 @@ nsXULTooltipListener::DestroyTooltip()
nsCOMPtr<nsIDOMEventTarget> evtTarget(do_QueryInterface(mCurrentTooltip));
evtTarget->RemoveEventListener(NS_LITERAL_STRING("popuphiding"), (nsIDOMMouseListener*)this, PR_FALSE);
// kill any ongoing timers
KillTooltipTimer();
if (mAutoHideTimer) {
mAutoHideTimer->Cancel();
mAutoHideTimer = nsnull;
}
mCurrentTooltip = nsnull;
}
// kill any ongoing timers
KillTooltipTimer();
if (mAutoHideTimer) {
mAutoHideTimer->Cancel();
mAutoHideTimer = nsnull;
}
return NS_OK;
}