SCR_LoadingOverlayDialog.c

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class SCR_LoadingOverlayDialog : ChimeraMenuBase
{
    // Called immediately when CloseAnimated is called.
    ref ScriptInvoker m_OnCloseStarted = new ScriptInvoker();
    
    // Called when the close animation has finished. Called from OnMenuClose.
    ref ScriptInvoker m_OnCloseFinished = new ScriptInvoker();
    
    protected SCR_LoadingOverlay m_LoadingOverlay;
    
    //-------------------------------------------------------------------------------------------------------
    // P U B L I C 
    //-------------------------------------------------------------------------------------------------------
    
    
    //-------------------------------------------------------------------------------------------------------
    static SCR_LoadingOverlayDialog Create(string text = string.Empty)
    {
        MenuBase menuBase = GetGame().GetMenuManager().OpenDialog(ChimeraMenuPreset.LoadingOverlay);
        SCR_LoadingOverlayDialog loadingOverlay = SCR_LoadingOverlayDialog.Cast(menuBase);
        loadingOverlay.Init(text);      
        return loadingOverlay;
    }
    
    
    //-------------------------------------------------------------------------------------------------------
    void CloseAnimated(bool invokeOnCloseStarted = true)
    {
        if (invokeOnCloseStarted)
            m_OnCloseStarted.Invoke();
        
        // Play fade-out animation
        AnimateWidget.Opacity(GetRootWidget(), 0, UIConstants.FADE_RATE_FAST);
        GetGame().GetCallqueue().CallLater(Close, 1000.0 / UIConstants.FADE_RATE_FAST);
    }
    
    
    
    
    //-------------------------------------------------------------------------------------------------------
    // P R O T E C T E D
    //-------------------------------------------------------------------------------------------------------
    
    
    //-------------------------------------------------------------------------------------------------------
    override void OnMenuOpen()
    {
        super.OnMenuOpen();
        
        Widget w = GetRootWidget().FindWidget("m_LoadingOverlay");
        m_LoadingOverlay = SCR_LoadingOverlay.Cast(w.FindHandler(SCR_LoadingOverlay));
        
        GetGame().GetInputManager().AddActionListener(UIConstants.MENU_ACTION_BACK, EActionTrigger.DOWN, Callback_OnBackButton);
        
        // Play fade-in animation
        GetRootWidget().SetOpacity(0);
        AnimateWidget.Opacity(GetRootWidget(), 1, UIConstants.FADE_RATE_FAST);
    }
    
    
    //-------------------------------------------------------------------------------------------------------
    override void OnMenuClose()
    {
        super.OnMenuClose();
        
        GetGame().GetInputManager().RemoveActionListener(UIConstants.MENU_ACTION_BACK, EActionTrigger.DOWN, Callback_OnBackButton);
        
        m_OnCloseFinished.Invoke();
    }
    
    
    //-------------------------------------------------------------------------------------------------------
    protected void Init(string text)
    {
        m_LoadingOverlay.SetText(text);
    }
    
    
    //-------------------------------------------------------------------------------------------------------
    protected void Callback_OnBackButton()
    {
        this.CloseAnimated();
    }
};