/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "Panel.hxx"
#include "PanelTitleBar.hxx"
#include "PanelDescriptor.hxx"
#include <sfx2/sidebar/Theme.hxx>
#include "Paint.hxx"
#include "ResourceManager.hxx"

#ifdef DEBUG
#include <sfx2/sidebar/Tools.hxx>
#include "Deck.hxx"
#endif

#include <tools/svborder.hxx>
#include <toolkit/helper/vclunohelper.hxx>

#include <com/sun/star/awt/XWindowPeer.hpp>
#include <com/sun/star/awt/PosSize.hpp>
#include <com/sun/star/ui/XToolPanel.hpp>

#include <boost/bind.hpp>


using namespace css;
using namespace cssu;



namespace sfx2 { namespace sidebar {

Panel::Panel (
    const PanelDescriptor& rPanelDescriptor,
    Window* pParentWindow,
    const bool bIsInitiallyExpanded,
    const ::boost::function<void(void)>& rDeckLayoutTrigger,
    const ::boost::function<Context(void)>& rContextAccess)
    : Window(pParentWindow),
      msPanelId(rPanelDescriptor.msId),
      mpTitleBar(new PanelTitleBar(
              rPanelDescriptor.msTitle,
              pParentWindow,
              this)),
      mbIsTitleBarOptional(rPanelDescriptor.mbIsTitleBarOptional),
      mxElement(),
      mxPanelComponent(),
      mbIsExpanded(bIsInitiallyExpanded),
      maDeckLayoutTrigger(rDeckLayoutTrigger),
      maContextAccess(rContextAccess)
{
    SetBackground(Theme::GetPaint(Theme::Paint_PanelBackground).GetWallpaper());

#ifdef DEBUG
    SetText(OUString("Panel"));
#endif
}




Panel::~Panel (void)
{
    Dispose();
}




void Panel::Dispose (void)
{
    mxPanelComponent = NULL;

    {
        Reference<lang::XComponent> xComponent (mxElement, UNO_QUERY);
        mxElement = NULL;
        if (xComponent.is())
            xComponent->dispose();
    }

    {
        Reference<lang::XComponent> xComponent (GetElementWindow(), UNO_QUERY);
        if (xComponent.is())
            xComponent->dispose();
    }

    mpTitleBar.reset();
}




PanelTitleBar* Panel::GetTitleBar (void) const
{
    return mpTitleBar.get();
}




bool Panel::IsTitleBarOptional (void) const
{
    return mbIsTitleBarOptional;
}




void Panel::SetUIElement (const Reference<ui::XUIElement>& rxElement)
{
    mxElement = rxElement;
    if (mxElement.is())
    {
        mxPanelComponent.set(mxElement->getRealInterface(), UNO_QUERY);
    }
}




void Panel::SetExpanded (const bool bIsExpanded)
{
    if (mbIsExpanded != bIsExpanded)
    {
        mbIsExpanded = bIsExpanded;
        maDeckLayoutTrigger();

        if (maContextAccess)
            ResourceManager::Instance().StorePanelExpansionState(
                msPanelId,
                bIsExpanded,
                maContextAccess());
    }
}




bool Panel::IsExpanded (void) const
{
    return mbIsExpanded;
}




bool Panel::HasIdPredicate (const ::rtl::OUString& rsId) const
{
    if (this == NULL)
        return false;
    else
        return msPanelId.equals(rsId);
}




const ::rtl::OUString& Panel::GetId (void) const
{
    return msPanelId;
}




void Panel::Paint (const Rectangle& rUpdateArea)
{
    Window::Paint(rUpdateArea);
}




void Panel::Resize (void)
{
    Window::Resize();

    // Forward new size to window of XUIElement.
    Reference<awt::XWindow> xElementWindow (GetElementWindow());
    if (xElementWindow.is())
    {
        const Size aSize (GetSizePixel());
        xElementWindow->setPosSize(
            0,
            0,
            aSize.Width(),
            aSize.Height(),
            awt::PosSize::POSSIZE);
    }
}




void Panel::Activate (void)
{
    Window::Activate();
}





void Panel::DataChanged (const DataChangedEvent& rEvent)
{
    (void)rEvent;
    SetBackground(Theme::GetPaint(Theme::Paint_PanelBackground).GetWallpaper());
}




Reference<ui::XSidebarPanel> Panel::GetPanelComponent (void) const
{
    return mxPanelComponent;
}




#ifdef DEBUG
void Panel::PrintWindowTree (void)
{
    Window* pElementWindow = VCLUnoHelper::GetWindow(GetElementWindow());
    if (pElementWindow != NULL)
    {
        OSL_TRACE("panel parent is %x", pElementWindow->GetParent());
        Deck::PrintWindowSubTree(pElementWindow, 2);
    }
    else
        OSL_TRACE("    panel is empty");
}
#endif




Reference<awt::XWindow> Panel::GetElementWindow (void)
{
    if (mxElement.is())
    {
        Reference<ui::XToolPanel> xToolPanel(mxElement->getRealInterface(), UNO_QUERY);
        if (xToolPanel.is())
            return xToolPanel->getWindow();
    }

    return NULL;
}


} } // end of namespace sfx2::sidebar

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