// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#include "tb_widget_skin_condition_context.h"
#include "tb_widgets_common.h"
#include "tb_window.h"
#include "tb_tab_container.h"

namespace tb {

// == TBWidgetSkinConditionContext ======================================================

bool TBWidgetSkinConditionContext::GetCondition(TBSkinCondition::TARGET target, const TBSkinCondition::CONDITION_INFO &info)
{
    switch (target)
    {
    case TBSkinCondition::TARGET_THIS:
        return GetCondition(m_widget, info);
    case TBSkinCondition::TARGET_PARENT:
        return m_widget->GetParent() && GetCondition(m_widget->GetParent(), info);
    case TBSkinCondition::TARGET_ANCESTORS:
    {
        TBWidget *widget = m_widget->GetParent();
        while (widget)
        {
            if (GetCondition(widget, info))
                return true;
            widget = widget->GetParent();
        }
    }
    case TBSkinCondition::TARGET_PREV_SIBLING:
        return m_widget->GetPrev() && GetCondition(m_widget->GetPrev(), info);
    case TBSkinCondition::TARGET_NEXT_SIBLING:
        return m_widget->GetNext() && GetCondition(m_widget->GetNext(), info);
    }
    return false;
}

bool TBWidgetSkinConditionContext::GetCondition(TBWidget *widget, const TBSkinCondition::CONDITION_INFO &info)
{
    switch (info.prop)
    {
    case TBSkinCondition::PROPERTY_SKIN:
        return widget->GetSkinBg() == info.value;
    case TBSkinCondition::PROPERTY_WINDOW_ACTIVE:
        if (TBWindow *window = widget->GetParentWindow())
            return window->IsActive();
        return false;
    case TBSkinCondition::PROPERTY_AXIS:
        return TBID(widget->GetAxis() == AXIS_X ? "x" : "y") == info.value;
    case TBSkinCondition::PROPERTY_ALIGN:
        if (TBTabContainer *tc = TBSafeCast<TBTabContainer>(widget))
        {
            TBID widget_align;
            if (tc->GetAlignment() == TB_ALIGN_LEFT)				widget_align = TBIDC("left");
            else if (tc->GetAlignment() == TB_ALIGN_TOP)			widget_align = TBIDC("top");
            else if (tc->GetAlignment() == TB_ALIGN_RIGHT)		widget_align = TBIDC("right");
            else if (tc->GetAlignment() == TB_ALIGN_BOTTOM)		widget_align = TBIDC("bottom");
            return widget_align == info.value;
        }
        return false;
    case TBSkinCondition::PROPERTY_ID:
        return widget->GetID() == info.value;
    case TBSkinCondition::PROPERTY_STATE:
        return !!(widget->GetAutoState() & info.value);
    case TBSkinCondition::PROPERTY_VALUE:
        return widget->GetValue() == (int) info.value;
    case TBSkinCondition::PROPERTY_HOVER:
        return TBWidget::hovered_widget && widget->IsAncestorOf(TBWidget::hovered_widget);
    case TBSkinCondition::PROPERTY_CAPTURE:
        return TBWidget::captured_widget && widget->IsAncestorOf(TBWidget::captured_widget);
    case TBSkinCondition::PROPERTY_FOCUS:
        return TBWidget::focused_widget && widget->IsAncestorOf(TBWidget::focused_widget);
    case TBSkinCondition::PROPERTY_CUSTOM:
        return widget->GetCustomSkinCondition(info);
    }
    return false;
}

}; // namespace tb