nsresult
nsImageMap::ChangeFocus(nsIDOMEvent* aEvent, PRBool aFocus)
{
//Set which one of our areas changed focus
nsCOMPtr<nsIDOMEventTarget> target;
if (NS_SUCCEEDED(aEvent->GetTarget(getter_AddRefs(target))) && target) {
nsCOMPtr<nsIContent> targetContent(do_QueryInterface(target));
if (targetContent) {
PRUint32 i, n = mAreas.Length();
for (i = 0; i < n; i++) {
Area* area = mAreas.ElementAt(i);
if (area->mArea == targetContent) {
//Set or Remove internal focus
area->HasFocus(aFocus);
//Now invalidate the rect
nsIFrame* imgFrame = targetContent->GetPrimaryFrame();
if (imgFrame) {
nsRect dmgRect;
area->GetRect(imgFrame, dmgRect);
imgFrame->Invalidate(dmgRect);
}
break;
}
}
}
}
return NS_OK;
}
nsresult
nsImageMap::HandleEvent(nsIDOMEvent* aEvent)
{
nsAutoString eventType;
aEvent->GetType(eventType);
bool focus = eventType.EqualsLiteral("focus");
NS_ABORT_IF_FALSE(focus == !eventType.EqualsLiteral("blur"),
"Unexpected event type");
//Set which one of our areas changed focus
nsCOMPtr<nsIDOMEventTarget> target;
if (NS_SUCCEEDED(aEvent->GetTarget(getter_AddRefs(target))) && target) {
nsCOMPtr<nsIContent> targetContent(do_QueryInterface(target));
if (targetContent) {
PRUint32 i, n = mAreas.Length();
for (i = 0; i < n; i++) {
Area* area = mAreas.ElementAt(i);
if (area->mArea == targetContent) {
//Set or Remove internal focus
area->HasFocus(focus);
//Now invalidate the rect
if (mImageFrame) {
nsRect dmgRect;
area->GetRect(mImageFrame, dmgRect);
mImageFrame->Invalidate(dmgRect);
}
break;
}
}
}
}
return NS_OK;
}
nsresult
nsImageMap::GetBoundsForAreaContent(nsIContent *aContent,
nsRect& aBounds)
{
NS_ENSURE_TRUE(aContent && mImageFrame, NS_ERROR_INVALID_ARG);
// Find the Area struct associated with this content node, and return bounds
uint32_t i, n = mAreas.Length();
for (i = 0; i < n; i++) {
Area* area = mAreas.ElementAt(i);
if (area->mArea == aContent) {
aBounds = nsRect();
area->GetRect(mImageFrame, aBounds);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsImageMap::GetBoundsForAreaContent(nsIContent *aContent,
nsRect& aBounds)
{
NS_ENSURE_TRUE(aContent, NS_ERROR_INVALID_ARG);
// Find the Area struct associated with this content node, and return bounds
PRUint32 i, n = mAreas.Length();
for (i = 0; i < n; i++) {
Area* area = mAreas.ElementAt(i);
if (area->mArea == aContent) {
aBounds = nsRect();
nsIFrame* frame = aContent->GetPrimaryFrame();
if (frame) {
area->GetRect(frame, aBounds);
}
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}