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Bug 417249. AT-SPI document load complete events not triggered everytime. Take care of some more cases. r=ginn.chen, a=blocking1.9

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This commit is contained in:
aaronleventhal@moonset.net 2008-02-26 06:19:52 -08:00
parent e9ba9613cb
commit b38a4bf141
2 changed files with 20 additions and 17 deletions
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36
accessible/src/base/nsDocAccessible.cpp
View File

@ -85,7 +85,7 @@ nsIAtom *nsDocAccessible::gLastFocusedFrameType = nsnull;
//-----------------------------------------------------
nsDocAccessible::nsDocAccessible(nsIDOMNode *aDOMNode, nsIWeakReference* aShell):
nsHyperTextAccessibleWrap(aDOMNode, aShell), mWnd(nsnull),
mScrollPositionChangedTicks(0), mIsContentLoaded(PR_FALSE)
mScrollPositionChangedTicks(0), mIsContentLoaded(PR_FALSE), mIsLoadCompleteFired(PR_FALSE)
{
// For GTK+ native window, we do nothing here.
if (!mDOMNode)
@ -766,10 +766,12 @@ NS_IMETHODIMP nsDocAccessible::FireDocLoadEvents(PRUint32 aEventType)
(aEventType == nsIAccessibleEvent::EVENT_DOCUMENT_LOAD_COMPLETE ||
aEventType == nsIAccessibleEvent::EVENT_DOCUMENT_LOAD_STOPPED);
if (mIsContentLoaded == isFinished) {
return NS_OK;
}
mIsContentLoaded = isFinished;
if (isFinished) {
if (mIsLoadCompleteFired)
return NS_OK;
mIsLoadCompleteFired = PR_TRUE;
}
nsCOMPtr<nsIDocShellTreeItem> treeItem =
nsAccUtils::GetDocShellTreeItemFor(mDOMNode);
@ -793,19 +795,19 @@ NS_IMETHODIMP nsDocAccessible::FireDocLoadEvents(PRUint32 aEventType)
// doc load event which causes screen readers to act is if entire page is reloaded
InvalidateCacheSubtree(nsnull, nsIAccessibleEvent::EVENT_DOM_SIGNIFICANT_CHANGE);
}
}
// Fire STATE_CHANGE event for doc load finish if focus is in same doc tree
if (gLastFocusedNode) {
nsCOMPtr<nsIDocShellTreeItem> focusedTreeItem =
nsAccUtils::GetDocShellTreeItemFor(gLastFocusedNode);
if (focusedTreeItem) {
nsCOMPtr<nsIDocShellTreeItem> sameTypeRootOfFocus;
focusedTreeItem->GetSameTypeRootTreeItem(getter_AddRefs(sameTypeRootOfFocus));
if (sameTypeRoot == sameTypeRootOfFocus) {
nsCOMPtr<nsIAccessibleStateChangeEvent> accEvent =
new nsAccStateChangeEvent(this, nsIAccessibleStates::STATE_BUSY, PR_FALSE, PR_FALSE);
FireAccessibleEvent(accEvent);
FireAnchorJumpEvent();
// Fire STATE_CHANGE event for doc load finish if focus is in same doc tree
if (gLastFocusedNode) {
nsCOMPtr<nsIDocShellTreeItem> focusedTreeItem =
nsAccUtils::GetDocShellTreeItemFor(gLastFocusedNode);
if (focusedTreeItem) {
nsCOMPtr<nsIDocShellTreeItem> sameTypeRootOfFocus;
focusedTreeItem->GetSameTypeRootTreeItem(getter_AddRefs(sameTypeRootOfFocus));
if (sameTypeRoot == sameTypeRootOfFocus) {
nsCOMPtr<nsIAccessibleStateChangeEvent> accEvent =
new nsAccStateChangeEvent(this, nsIAccessibleStates::STATE_BUSY, PR_FALSE, PR_FALSE);
FireAccessibleEvent(accEvent);
FireAnchorJumpEvent();
}
}
}
}

1
accessible/src/base/nsDocAccessible.h
View File

@ -214,6 +214,7 @@ class nsDocAccessible : public nsHyperTextAccessibleWrap,
nsCOMPtr<nsITimer> mFireEventTimer;
PRUint16 mScrollPositionChangedTicks; // Used for tracking scroll events
PRPackedBool mIsContentLoaded;
PRPackedBool mIsLoadCompleteFired;
nsCOMArray<nsIAccessibleEvent> mEventsToFire;
protected: