Exemplo n.º 1
0
void
GamepadService::NewConnectionEvent(uint32_t aIndex, bool aConnected)
{
  RefPtr<Gamepad> gamepad = GetGamepad(aIndex);

  if (mShuttingDown || !gamepad) {
    return;
  }

  // Hold on to listeners in a separate array because firing events
  // can mutate the mListeners array.
  nsTArray<RefPtr<nsGlobalWindow> > listeners(mListeners);

  if (aConnected) {
    for (uint32_t i = listeners.Length(); i > 0 ; ) {
      --i;

      MOZ_ASSERT(listeners[i]->IsInnerWindow());

      // Only send events to non-background windows
      if (!listeners[i]->AsInner()->IsCurrentInnerWindow() ||
          listeners[i]->GetOuterWindow()->IsBackground()) {
        continue;
      }

      // We don't fire a connected event here unless the window
      // has seen input from at least one device.
      if (!listeners[i]->HasSeenGamepadInput()) {
        continue;
      }

      SetWindowHasSeenGamepad(listeners[i], aIndex);

      RefPtr<Gamepad> listenerGamepad = listeners[i]->GetGamepad(aIndex);
      if (listenerGamepad) {
        // Fire event
        FireConnectionEvent(listeners[i], listenerGamepad, aConnected);
      }
    }
  } else {
    // For disconnection events, fire one at every window that has received
    // data from this gamepad.
    for (uint32_t i = listeners.Length(); i > 0 ; ) {
      --i;

      // Even background windows get these events, so we don't have to
      // deal with the hassle of syncing the state of removed gamepads.

      if (WindowHasSeenGamepad(listeners[i], aIndex)) {
        RefPtr<Gamepad> listenerGamepad = listeners[i]->GetGamepad(aIndex);
        if (listenerGamepad) {
          listenerGamepad->SetConnected(false);
          // Fire event
          FireConnectionEvent(listeners[i], listenerGamepad, false);
          listeners[i]->RemoveGamepad(aIndex);
        }
      }
    }
  }
}
Exemplo n.º 2
0
void
GamepadService::NewButtonEvent(uint32_t aIndex, uint32_t aButton, bool aPressed,
                               double aValue)
{
  RefPtr<Gamepad> gamepad = GetGamepad(aIndex);
  if (mShuttingDown || !gamepad) {
    return;
  }

  gamepad->SetButton(aButton, aPressed, aValue);

  // Hold on to listeners in a separate array because firing events
  // can mutate the mListeners array.
  nsTArray<RefPtr<nsGlobalWindow>> listeners(mListeners);

  for (uint32_t i = listeners.Length(); i > 0 ; ) {
    --i;

    MOZ_ASSERT(listeners[i]->IsInnerWindow());

    // Only send events to non-background windows
    if (!listeners[i]->AsInner()->IsCurrentInnerWindow() ||
        listeners[i]->GetOuterWindow()->IsBackground()) {
      continue;
    }

    bool first_time = false;
    if (!WindowHasSeenGamepad(listeners[i], aIndex)) {
      // This window hasn't seen this gamepad before, so
      // send a connection event first.
      SetWindowHasSeenGamepad(listeners[i], aIndex);
      first_time = true;
    }

    RefPtr<Gamepad> listenerGamepad = listeners[i]->GetGamepad(aIndex);
    if (listenerGamepad) {
      listenerGamepad->SetButton(aButton, aPressed, aValue);
      if (first_time) {
        FireConnectionEvent(listeners[i], listenerGamepad, true);
      }
      if (mNonstandardEventsEnabled) {
        // Fire event
        FireButtonEvent(listeners[i], listenerGamepad, aButton, aValue);
      }
    }
  }
}
Exemplo n.º 3
0
void
GamepadService::NewAxisMoveEvent(uint32_t aIndex, uint32_t aAxis, double aValue)
{
  if (mShuttingDown || aIndex >= mGamepads.Length()) {
    return;
  }
  mGamepads[aIndex]->SetAxis(aAxis, aValue);

  // Hold on to listeners in a separate array because firing events
  // can mutate the mListeners array.
  nsTArray<nsRefPtr<nsGlobalWindow> > listeners(mListeners);

  for (uint32_t i = listeners.Length(); i > 0 ; ) {
    --i;

    // Only send events to non-background windows
    if (!listeners[i]->GetOuterWindow() ||
        listeners[i]->GetOuterWindow()->IsBackground()) {
      continue;
    }

    bool first_time = false;
    if (!WindowHasSeenGamepad(listeners[i], aIndex)) {
      // This window hasn't seen this gamepad before, so
      // send a connection event first.
      SetWindowHasSeenGamepad(listeners[i], aIndex);
      first_time = true;
    }

    nsRefPtr<Gamepad> gamepad = listeners[i]->GetGamepad(aIndex);
    if (gamepad) {
      gamepad->SetAxis(aAxis, aValue);
      if (first_time) {
        FireConnectionEvent(listeners[i], gamepad, true);
      }
      if (mNonstandardEventsEnabled) {
        // Fire event
        FireAxisMoveEvent(listeners[i], gamepad, aAxis, aValue);
      }
    }
  }
}