void NavigatorGamepad::didUpdateData()
{
// We should stop listening once we detached.
ASSERT(frame());
ASSERT(frame()->domWindow());
// We register to the dispatcher before sampling gamepads so we need to check if we actually have an event listener.
if (!m_hasEventListener)
return;
Document* document = frame()->domWindow()->document();
if (document->activeDOMObjectsAreStopped() || document->activeDOMObjectsAreSuspended())
return;
const GamepadDispatcher::ConnectionChange& change = GamepadDispatcher::instance().latestConnectionChange();
if (!m_gamepads)
m_gamepads = GamepadList::create();
Gamepad* gamepad = m_gamepads->item(change.index);
if (!gamepad)
gamepad = Gamepad::create();
sampleGamepad(change.index, *gamepad, change.pad);
m_gamepads->set(change.index, gamepad);
m_pendingEvents.append(gamepad);
m_dispatchOneEventRunner.runAsync();
}
void NavigatorGamepad::didConnectOrDisconnectGamepad(unsigned index, const blink::WebGamepad& webGamepad, bool connected)
{
ASSERT(index < blink::WebGamepads::itemsLengthCap);
ASSERT(connected == webGamepad.connected);
// We should stop listening once we detached.
ASSERT(window());
// We register to the dispatcher before sampling gamepads so we need to check if we actually have an event listener.
if (!m_hasEventListener)
return;
if (window()->document()->activeDOMObjectsAreStopped() || window()->document()->activeDOMObjectsAreSuspended())
return;
if (!m_gamepads)
m_gamepads = GamepadList::create();
Gamepad* gamepad = m_gamepads->item(index);
if (!gamepad)
gamepad = Gamepad::create();
sampleGamepad(index, *gamepad, webGamepad);
m_gamepads->set(index, gamepad);
const AtomicString& eventName = connected ? EventTypeNames::gamepadconnected : EventTypeNames::gamepaddisconnected;
RefPtrWillBeRawPtr<GamepadEvent> event = GamepadEvent::create(eventName, false, true, gamepad);
window()->dispatchEvent(event);
}
static void sampleGamepads(ListType* into)
{
WebGamepads gamepads;
GamepadDispatcher::instance().sampleGamepads(gamepads);
for (unsigned i = 0; i < WebGamepads::itemsLengthCap; ++i) {
WebGamepad& webGamepad = gamepads.items[i];
if (i < gamepads.length && webGamepad.connected) {
GamepadType* gamepad = into->item(i);
if (!gamepad)
gamepad = GamepadType::create();
sampleGamepad(i, *gamepad, webGamepad);
into->set(i, gamepad);
} else {
into->set(i, 0);
}
}
}