void
WindowsGamepadService::ScanForDevices()
{
for (int i = mGamepads.Length() - 1; i >= 0; i--) {
mGamepads[i].present = false;
}
if (mHID) {
ScanForRawInputDevices();
}
if (mXInput) {
mXInputPollTimer->Cancel();
if (ScanForXInputDevices()) {
mXInputPollTimer->InitWithFuncCallback(XInputPollTimerCallback,
this,
kXInputPollInterval,
nsITimer::TYPE_REPEATING_SLACK);
}
}
// Look for devices that are no longer present and remove them.
for (int i = mGamepads.Length() - 1; i >= 0; i--) {
if (!mGamepads[i].present) {
RemoveGamepad(mGamepads[i].id);
mGamepads.RemoveElementAt(i);
}
}
}
void
GamepadService::Update(const GamepadChangeEvent& aEvent)
{
if (aEvent.type() == GamepadChangeEvent::TGamepadAdded) {
const GamepadAdded& a = aEvent.get_GamepadAdded();
AddGamepad(a.index(), a.id(),
static_cast<GamepadMappingType>(a.mapping()),
a.num_buttons(), a.num_axes());
} else if (aEvent.type() == GamepadChangeEvent::TGamepadRemoved) {
const GamepadRemoved& a = aEvent.get_GamepadRemoved();
RemoveGamepad(a.index());
} else if (aEvent.type() == GamepadChangeEvent::TGamepadButtonInformation) {
const GamepadButtonInformation& a = aEvent.get_GamepadButtonInformation();
NewButtonEvent(a.index(), a.button(), a.pressed(), a.value());
} else if (aEvent.type() == GamepadChangeEvent::TGamepadAxisInformation) {
const GamepadAxisInformation& a = aEvent.get_GamepadAxisInformation();
NewAxisMoveEvent(a.index(), a.axis(), a.value());
} else {
MOZ_CRASH("We shouldn't be here!");
}
}
