bool
nsNativeTheme::IsPressedButton(nsIFrame* aFrame)
{
EventStates eventState = GetContentState(aFrame, NS_THEME_TOOLBAR_BUTTON);
if (IsDisabled(aFrame, eventState))
return false;
return IsOpenButton(aFrame) ||
eventState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER);
}
void
nsButtonBoxFrame::Blurred()
{
NS_ASSERTION(mContent->IsElement(), "How do we have a non-element?");
EventStates buttonState = mContent->AsElement()->State();
if (mIsHandlingKeyEvent &&
buttonState.HasAllStates(NS_EVENT_STATE_ACTIVE |
NS_EVENT_STATE_HOVER)) {
// return to normal state
EventStateManager* esm = PresContext()->EventStateManager();
esm->SetContentState(nullptr, NS_EVENT_STATE_ACTIVE);
esm->SetContentState(nullptr, NS_EVENT_STATE_HOVER);
}
mIsHandlingKeyEvent = false;
}
nsresult
nsButtonBoxFrame::HandleEvent(nsPresContext* aPresContext,
WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
NS_ENSURE_ARG_POINTER(aEventStatus);
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
return NS_OK;
}
switch (aEvent->message) {
case NS_KEY_DOWN: {
WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent();
if (!keyEvent) {
break;
}
if (NS_VK_SPACE == keyEvent->keyCode) {
EventStateManager* esm = aPresContext->EventStateManager();
// :hover:active state
esm->SetContentState(mContent, NS_EVENT_STATE_HOVER);
esm->SetContentState(mContent, NS_EVENT_STATE_ACTIVE);
mIsHandlingKeyEvent = true;
}
break;
}
// On mac, Return fires the default button, not the focused one.
#ifndef XP_MACOSX
case NS_KEY_PRESS: {
WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent();
if (!keyEvent) {
break;
}
if (NS_VK_RETURN == keyEvent->keyCode) {
nsCOMPtr<nsIDOMXULButtonElement> buttonEl(do_QueryInterface(mContent));
if (buttonEl) {
MouseClicked(aPresContext, aEvent);
*aEventStatus = nsEventStatus_eConsumeNoDefault;
}
}
break;
}
#endif
case NS_KEY_UP: {
WidgetKeyboardEvent* keyEvent = aEvent->AsKeyboardEvent();
if (!keyEvent) {
break;
}
if (NS_VK_SPACE == keyEvent->keyCode) {
mIsHandlingKeyEvent = false;
// only activate on keyup if we're already in the :hover:active state
NS_ASSERTION(mContent->IsElement(), "How do we have a non-element?");
EventStates buttonState = mContent->AsElement()->State();
if (buttonState.HasAllStates(NS_EVENT_STATE_ACTIVE |
NS_EVENT_STATE_HOVER)) {
// return to normal state
EventStateManager* esm = aPresContext->EventStateManager();
esm->SetContentState(nullptr, NS_EVENT_STATE_ACTIVE);
esm->SetContentState(nullptr, NS_EVENT_STATE_HOVER);
MouseClicked(aPresContext, aEvent);
}
}
break;
}
case NS_MOUSE_CLICK: {
WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent();
if (mouseEvent->IsLeftClickEvent()) {
MouseClicked(aPresContext, mouseEvent);
}
break;
}
}
return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}