NS_IMETHODIMP nsHTMLSelectOptionAccessible::DoAction(PRUint8 index)
{
if (index == eAction_Select) { // default action
nsCOMPtr<nsIDOMHTMLOptionElement> newHTMLOption(do_QueryInterface(mDOMNode));
if (!newHTMLOption)
return NS_ERROR_FAILURE;
// Clear old selection
nsCOMPtr<nsIDOMNode> oldHTMLOptionNode, selectNode;
nsCOMPtr<nsIAccessible> parent(GetParent());
nsCOMPtr<nsIAccessNode> accessNode(do_QueryInterface(parent));
NS_ASSERTION(accessNode, "Unable to QI to nsIAccessNode");
accessNode->GetDOMNode(getter_AddRefs(selectNode));
GetFocusedOptionNode(selectNode, getter_AddRefs(oldHTMLOptionNode));
nsCOMPtr<nsIDOMHTMLOptionElement> oldHTMLOption(do_QueryInterface(oldHTMLOptionNode));
if (oldHTMLOption)
oldHTMLOption->SetSelected(PR_FALSE);
// Set new selection
newHTMLOption->SetSelected(PR_TRUE);
// If combo box, and open, close it
// First, get the <select> widgets list control frame
nsCOMPtr<nsIDOMNode> testSelectNode;
nsCOMPtr<nsIDOMNode> thisNode(do_QueryInterface(mDOMNode));
do {
thisNode->GetParentNode(getter_AddRefs(testSelectNode));
nsCOMPtr<nsIDOMHTMLSelectElement> selectControl(do_QueryInterface(testSelectNode));
if (selectControl)
break;
thisNode = testSelectNode;
} while (testSelectNode);
nsCOMPtr<nsIPresShell> presShell(do_QueryReferent(mWeakShell));
nsCOMPtr<nsIContent> selectContent(do_QueryInterface(testSelectNode));
nsCOMPtr<nsIDOMHTMLOptionElement> option(do_QueryInterface(mDOMNode));
if (!testSelectNode || !selectContent || !presShell || !option)
return NS_ERROR_FAILURE;
nsIFrame *selectFrame = presShell->GetPrimaryFrameFor(selectContent);
nsIComboboxControlFrame *comboBoxFrame = do_QueryFrame(selectFrame);
if (comboBoxFrame) {
nsIFrame *listFrame = comboBoxFrame->GetDropDown();
if (comboBoxFrame->IsDroppedDown() && listFrame) {
// use this list control frame to roll up the list
nsIListControlFrame *listControlFrame = do_QueryFrame(listFrame);
if (listControlFrame) {
PRInt32 newIndex = 0;
option->GetIndex(&newIndex);
listControlFrame->ComboboxFinish(newIndex);
}
}
}
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}
NS_IMETHODIMP nsHTMLSelectOptionAccessible::DoAction(PRUint8 index)
{
if (index == eAction_Select) { // default action
nsCOMPtr<nsIDOMHTMLOptionElement> newHTMLOption(do_QueryInterface(mContent));
if (!newHTMLOption)
return NS_ERROR_FAILURE;
// Clear old selection
nsAccessible* parent = GetParent();
NS_ASSERTION(parent, "No parent!");
nsCOMPtr<nsIContent> oldHTMLOptionContent =
GetFocusedOption(parent->GetContent());
nsCOMPtr<nsIDOMHTMLOptionElement> oldHTMLOption =
do_QueryInterface(oldHTMLOptionContent);
if (oldHTMLOption)
oldHTMLOption->SetSelected(PR_FALSE);
// Set new selection
newHTMLOption->SetSelected(PR_TRUE);
// If combo box, and open, close it
// First, get the <select> widgets list control frame
nsIContent *selectContent = mContent;
do {
selectContent = selectContent->GetParent();
nsCOMPtr<nsIDOMHTMLSelectElement> selectControl =
do_QueryInterface(selectContent);
if (selectControl)
break;
} while (selectContent);
nsCOMPtr<nsIPresShell> presShell(do_QueryReferent(mWeakShell));
nsCOMPtr<nsIDOMHTMLOptionElement> option(do_QueryInterface(mContent));
if (!selectContent || !presShell || !option)
return NS_ERROR_FAILURE;
nsIFrame *selectFrame = selectContent->GetPrimaryFrame();
nsIComboboxControlFrame *comboBoxFrame = do_QueryFrame(selectFrame);
if (comboBoxFrame) {
nsIFrame *listFrame = comboBoxFrame->GetDropDown();
if (comboBoxFrame->IsDroppedDown() && listFrame) {
// use this list control frame to roll up the list
nsIListControlFrame *listControlFrame = do_QueryFrame(listFrame);
if (listControlFrame) {
PRInt32 newIndex = 0;
option->GetIndex(&newIndex);
listControlFrame->ComboboxFinish(newIndex);
}
}
}
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}