void DeviceEventDispatcherBase::notifyControllers()
{
    {
        TemporaryChange<bool> changeIsDispatching(m_isDispatching, true);
        // Don't notify controllers removed or added during event dispatch.
        size_t size = m_controllers.size();
        for (size_t i = 0; i < size; ++i) {
            if (m_controllers[i])
                m_controllers[i]->didUpdateData();
        }
    }

    if (m_needsPurge)
        purgeControllers();
}
Exemplo n.º 2
0
void PlatformEventDispatcher::notifyControllers()
{
    if (m_controllers.isEmpty())
        return;

    {
        TemporaryChange<bool> changeIsDispatching(m_isDispatching, true);
        // HashSet m_controllers can be updated during an iteration, and it stops the iteration.
        // Thus we store it into a Vector to access all elements.
        WillBeHeapVector<RawPtrWillBeMember<PlatformEventController>> snapshotVector;
        copyToVector(m_controllers, snapshotVector);
        for (PlatformEventController* controller : snapshotVector) {
            if (m_controllers.contains(controller))
                controller->didUpdateData();
        }
    }

    if (m_controllers.isEmpty()) {
        stopListening();
        m_isListening = false;
    }
}