/* -*- 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 <cppuhelper/supportsservice.hxx>

#include <toolkit/helper/vclunohelper.hxx>

#include <vcl/svapp.hxx>

#include <vcl/toolbox.hxx>

#include <svtools/popupwindowcontroller.hxx>

#include <svtools/toolbarmenu.hxx>

using namespace ::com::sun::star;

using namespace css::uno;

using namespace css::lang;

namespace svt

{

class PopupWindowControllerImpl

{

public:

    PopupWindowControllerImpl();

    ~PopupWindowControllerImpl() COVERITY_NOEXCEPT_FALSE;

    void SetPopupWindow( vcl::Window* pPopupWindow, ToolBox* pToolBox );

    void SetFloatingWindow();

    DECL_LINK( WindowEventListener, VclWindowEvent&, void );

private:

    VclPtr<vcl::Window> mpPopupWindow, mpFloatingWindow;

    VclPtr<ToolBox>     mpToolBox;

};

PopupWindowControllerImpl::PopupWindowControllerImpl()

{

}

PopupWindowControllerImpl::~PopupWindowControllerImpl() COVERITY_NOEXCEPT_FALSE

{

    SetPopupWindow(nullptr,nullptr);

    SetFloatingWindow();

}

void PopupWindowControllerImpl::SetPopupWindow( vcl::Window* pPopupWindow, ToolBox* pToolBox )

{

    if( mpPopupWindow )

    {

        mpPopupWindow->RemoveEventListener( LINK( this, PopupWindowControllerImpl, WindowEventListener ) );

        mpPopupWindow.disposeAndClear();

    }

    mpPopupWindow = pPopupWindow;

    mpToolBox = pToolBox;

    if( mpPopupWindow )

    {

        mpPopupWindow->AddEventListener( LINK( this, PopupWindowControllerImpl, WindowEventListener ));

    }

}

void PopupWindowControllerImpl::SetFloatingWindow()

{

    if( mpFloatingWindow )

    {

        mpFloatingWindow->RemoveEventListener( LINK( this, PopupWindowControllerImpl, WindowEventListener ) );

        mpFloatingWindow.disposeAndClear();

    }

    mpFloatingWindow = mpPopupWindow;

    mpPopupWindow.reset();

}

IMPL_LINK( PopupWindowControllerImpl, WindowEventListener, VclWindowEvent&, rWindowEvent, void )

{

    switch( rWindowEvent.GetId() )

    {

    case VclEventId::WindowEndPopupMode:

    {

        EndPopupModeData* pData = static_cast< EndPopupModeData* >( rWindowEvent.GetData() );

        if( pData && pData->mbTearoff )

        {

            vcl::Window::GetDockingManager()->SetFloatingMode( mpPopupWindow.get(), true );

            vcl::Window::GetDockingManager()->SetPosSizePixel( mpPopupWindow.get(),

                                                               pData->maFloatingPos.X(),

                                                               pData->maFloatingPos.Y(),

                                                               0, 0,

                                                               PosSizeFlags::Pos );

            SetFloatingWindow();

            mpFloatingWindow->Show( true, ShowFlags::NoFocusChange | ShowFlags::NoActivate );

        }

        SetPopupWindow(nullptr,nullptr);

        break;

    }

    case VclEventId::WindowPrepareToggleFloating:

    {

        if ( mpFloatingWindow && rWindowEvent.GetWindow() == mpFloatingWindow.get() )

        {

            bool* pData = static_cast< bool* >( rWindowEvent.GetData() );

            *pData = false;

        }

        break;

    }

    case VclEventId::WindowClose:

    {

        SetPopupWindow(nullptr,nullptr);

        SetFloatingWindow();

        break;

    }

    case VclEventId::WindowShow:

    {

        if( mpPopupWindow )

        {

            if( mpToolBox )

                mpToolBox->CallEventListeners( VclEventId::DropdownOpen, static_cast<void*>(mpPopupWindow) );

            mpPopupWindow->CallEventListeners( VclEventId::WindowGetFocus );

            break;

        }

        break;

    }

    case VclEventId::WindowHide:

    {

        if( mpPopupWindow )

        {

            mpPopupWindow->CallEventListeners( VclEventId::WindowLoseFocus );

            if( mpToolBox )

                mpToolBox->CallEventListeners( VclEventId::DropdownClose, static_cast<void*>(mpPopupWindow) );

        }

        break;

    }

    default: break;

    }

}

PopupWindowController::PopupWindowController( const Reference< uno::XComponentContext >& rxContext,

                                              const Reference< frame::XFrame >& xFrame,

                                              const OUString& aCommandURL )

: PopupWindowController_Base( rxContext, xFrame, aCommandURL )

, mxImpl( new PopupWindowControllerImpl() )

{

}

PopupWindowController::~PopupWindowController()

{

}

// XServiceInfo

sal_Bool SAL_CALL PopupWindowController::supportsService( const OUString& ServiceName )

{

    return cppu::supportsService(this, ServiceName);

}

// XComponent

void SAL_CALL PopupWindowController::dispose()

{

    mxInterimPopover.reset();

    mxPopoverContainer.reset();

    mxImpl.reset();

    svt::ToolboxController::dispose();

}

// XStatusListener

void SAL_CALL PopupWindowController::statusChanged( const frame::FeatureStateEvent& rEvent )

{

    SolarMutexGuard aSolarLock;

    bool bValue = false;

    rEvent.State >>= bValue;

    if (m_pToolbar)

    {

        m_pToolbar->set_item_active(m_aCommandURL, bValue);

        m_pToolbar->set_item_sensitive(m_aCommandURL, rEvent.IsEnabled);

        return;

    }

    ToolBox* pToolBox = nullptr;

    ToolBoxItemId nItemId;

    if ( getToolboxId( nItemId, &pToolBox ) )

    {

        pToolBox->CheckItem( nItemId, bValue );

        pToolBox->EnableItem( nItemId, rEvent.IsEnabled );

    }

}

VclPtr<vcl::Window> PopupWindowController::createVclPopupWindow(vcl::Window* /*pParent*/)

{

    return nullptr;

}

Reference< awt::XWindow > SAL_CALL PopupWindowController::createPopupWindow()

{

    if (m_pToolbar)

    {

        mxPopoverContainer->unsetPopover();

        mxPopoverContainer->setPopover(weldPopupWindow());

        // tdf#141577 setPopover might GrabFocus, which may cause the ActiveFrame to be

        // unset. So explicitly set this frame as the active frame of its parent when

        // this popup is created.

        if (uno::Reference<frame::XFrame> xFrame = getFrameInterface())

        {

            if (uno::Reference<frame::XFramesSupplier> xParentFrame = xFrame->getCreator())

                xParentFrame->setActiveFrame(xFrame);

        }

        return Reference<awt::XWindow>();

    }

    VclPtr< ToolBox > pToolBox = dynamic_cast< ToolBox* >( VCLUnoHelper::GetWindow( getParent() ) );

    if( pToolBox )

    {

        vcl::Window* pItemWindow = pToolBox->GetItemWindow( pToolBox->GetDownItemId() );

        VclPtr<vcl::Window> pWin = createVclPopupWindow( pItemWindow ? pItemWindow : pToolBox );

        if( pWin )

        {

            FloatWinPopupFlags eFloatFlags = FloatWinPopupFlags::GrabFocus |

                                             FloatWinPopupFlags::AllMouseButtonClose |

                                             FloatWinPopupFlags::NoMouseUpClose;

            WinBits nWinBits;

            if ( pWin->GetType() == WindowType::DOCKINGWINDOW )

                nWinBits = static_cast< DockingWindow* >( pWin.get() )->GetFloatStyle();

            else

                nWinBits = pWin->GetStyle();

            if ( nWinBits & ( WB_SIZEABLE | WB_CLOSEABLE ) )

                eFloatFlags |= FloatWinPopupFlags::AllowTearOff;

            pWin->EnableDocking();

            mxImpl->SetPopupWindow(pWin,pToolBox);

            vcl::Window::GetDockingManager()->StartPopupMode( pToolBox, pWin, eFloatFlags );

            return VCLUnoHelper::GetInterface(pWin.get());

        }

    }

    return Reference< awt::XWindow >();

}

void SAL_CALL PopupWindowController::click()

{

    if (m_pToolbar)

    {

        if (m_pToolbar->get_menu_item_active(m_aCommandURL))

            createPopupWindow();

        else

            mxPopoverContainer->unsetPopover();

    }

    svt::ToolboxController::click();

}

void PopupWindowController::EndPopupMode()

{

    if (m_pToolbar)

        m_pToolbar->set_menu_item_active(m_aCommandURL, false);

    else if (mxInterimPopover)

        mxInterimPopover->EndPopupMode();

}

}

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