C++ CAnimation::ResetAnimation方法代码示例

void CGUIControl::QueueAnimation(ANIMATION_TYPE animType)
{
  MarkDirtyRegion();
  if (!CheckAnimation(animType))
    return;
  CAnimation *reverseAnim = GetAnimation((ANIMATION_TYPE)-animType, false);
  CAnimation *forwardAnim = GetAnimation(animType);
  // we first check whether the reverse animation is in progress (and reverse it)
  // then we check for the normal animation, and queue it
  if (reverseAnim && reverseAnim->IsReversible() && (reverseAnim->GetState() == ANIM_STATE_IN_PROCESS || reverseAnim->GetState() == ANIM_STATE_DELAYED))
  {
    reverseAnim->QueueAnimation(ANIM_PROCESS_REVERSE);
    if (forwardAnim) forwardAnim->ResetAnimation();
  }
  else if (forwardAnim)
  {
    forwardAnim->QueueAnimation(ANIM_PROCESS_NORMAL);
    if (reverseAnim) reverseAnim->ResetAnimation();
  }
  else
  { // hidden and visible animations delay the change of state.  If there is no animations
    // to perform, then we should just change the state straightaway
    if (reverseAnim) reverseAnim->ResetAnimation();
    UpdateStates(animType, ANIM_PROCESS_NORMAL, ANIM_STATE_APPLIED);
  }
}

void CGUIControl::SetVisible(bool bVisible, bool setVisState)
{
  if (bVisible && setVisState)
  {  // TODO: currently we only update m_visible from GUI_MSG_VISIBLE (SET_CONTROL_VISIBLE)
     //       otherwise we just set m_forceHidden
    GUIVISIBLE visible;
    if (m_visibleCondition)
      visible = m_visibleCondition->Get() ? VISIBLE : HIDDEN;
    else
      visible = VISIBLE;
    if (visible != m_visible)
    {
      m_visible = visible;
      SetInvalid();
    }
  }
  if (m_forceHidden == bVisible)
  {
    m_forceHidden = !bVisible;
    SetInvalid();
    if (m_forceHidden)
      MarkDirtyRegion();
  }
  if (m_forceHidden)
  { // reset any visible animations that are in process
    if (IsAnimating(ANIM_TYPE_VISIBLE))
    {
//        CLog::Log(LOGDEBUG, "Resetting visible animation on control %i (we are %s)", m_controlID, m_visible ? "visible" : "hidden");
      CAnimation *visibleAnim = GetAnimation(ANIM_TYPE_VISIBLE);
      if (visibleAnim) visibleAnim->ResetAnimation();
    }
  }
}

void CGUIControl::QueueAnimation(ANIMATION_TYPE animType)
{
  // rule out the animations we shouldn't perform
  if (!IsVisible() || !HasRendered()) 
  { // hidden or never rendered - don't allow exit or entry animations for this control
    if (animType == ANIM_TYPE_WINDOW_CLOSE)
    { // could be animating a (delayed) window open anim, so reset it
      ResetAnimation(ANIM_TYPE_WINDOW_OPEN);
      return;
    }
  }
  if (!IsVisible())
  { // hidden - only allow hidden anims if we're animating a visible anim
    if (animType == ANIM_TYPE_HIDDEN && !IsAnimating(ANIM_TYPE_VISIBLE))
    {
      // update states to force it hidden
      UpdateStates(animType, ANIM_PROCESS_NORMAL, ANIM_STATE_APPLIED);
      return;
    }
    if (animType == ANIM_TYPE_WINDOW_OPEN)
      return;
  }
  CAnimation *reverseAnim = GetAnimation((ANIMATION_TYPE)-animType, false);
  CAnimation *forwardAnim = GetAnimation(animType);
  // we first check whether the reverse animation is in progress (and reverse it)
  // then we check for the normal animation, and queue it
  if (reverseAnim && reverseAnim->IsReversible() && (reverseAnim->GetState() == ANIM_STATE_IN_PROCESS || reverseAnim->GetState() == ANIM_STATE_DELAYED))
  {
    reverseAnim->QueueAnimation(ANIM_PROCESS_REVERSE);
    if (forwardAnim) forwardAnim->ResetAnimation();
  }
  else if (forwardAnim)
  {
    forwardAnim->QueueAnimation(ANIM_PROCESS_NORMAL);
    if (reverseAnim) reverseAnim->ResetAnimation();
  }
  else
  { // hidden and visible animations delay the change of state.  If there is no animations
    // to perform, then we should just change the state straightaway
    if (reverseAnim) reverseAnim->ResetAnimation();
    UpdateStates(animType, ANIM_PROCESS_NORMAL, ANIM_STATE_APPLIED);
  }
}

bool CGUIControl::OnMessage(CGUIMessage& message)
{
  if ( message.GetControlId() == GetID() )
  {
    switch (message.GetMessage() )
    {
    case GUI_MSG_SETFOCUS:
      // if control is disabled then move 2 the next control
      if ( !CanFocus() )
      {
        CLog::Log(LOGERROR, "Control %u in window %u has been asked to focus, "
                            "but it can't",
                  GetID(), GetParentID());
        return false;
      }
      SetFocus(true);
      {
        // inform our parent window that this has happened
        CGUIMessage message(GUI_MSG_FOCUSED, GetParentID(), GetID());
        if (m_parentControl)
          m_parentControl->OnMessage(message);
        else
        SendWindowMessage(message);
      }
      return true;
      break;

    case GUI_MSG_LOSTFOCUS:
      {
        SetFocus(false);
        // and tell our parent so it can unfocus
        if (m_parentControl)
          m_parentControl->OnMessage(message);
        return true;
      }
      break;

    case GUI_MSG_VISIBLE:
      if (m_visibleCondition)
        m_visible = g_infoManager.GetBool(m_visibleCondition, m_dwParentID) ? VISIBLE : HIDDEN;
      else
        m_visible = VISIBLE;
      m_forceHidden = false;
      return true;
      break;

    case GUI_MSG_HIDDEN:
      m_forceHidden = true;
      // reset any visible animations that are in process
      if (IsAnimating(ANIM_TYPE_VISIBLE))
      {
//        CLog::DebugLog("Resetting visible animation on control %i (we are %s)", m_dwControlID, m_visible ? "visible" : "hidden");
        CAnimation *visibleAnim = GetAnimation(ANIM_TYPE_VISIBLE);
        if (visibleAnim) visibleAnim->ResetAnimation();
      }
      return true;

      // Note that the skin <enable> tag will override these messages
    case GUI_MSG_ENABLED:
      SetEnabled(true);
      return true;

    case GUI_MSG_DISABLED:
      SetEnabled(false);
      return true;
    }
  }
  return false;
}