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path: root/sdext/source/presenter/PresenterPaneBase.cxx
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/* -*- 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 "PresenterPaneBase.hxx"
#include "PresenterCanvasHelper.hxx"
#include "PresenterController.hxx"
#include "PresenterGeometryHelper.hxx"
#include "PresenterPaintManager.hxx"
#include "PresenterTextView.hxx"
#include <com/sun/star/awt/PosSize.hpp>
#include <com/sun/star/awt/XWindow2.hpp>
#include <com/sun/star/awt/XWindowPeer.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/drawing/CanvasFeature.hpp>
#include <com/sun/star/rendering/CompositeOperation.hpp>
#include <com/sun/star/rendering/TexturingMode.hpp>

using namespace css;
using namespace css::uno;
using namespace css::drawing::framework;

namespace sdext { namespace presenter {

//===== PresenterPaneBase =====================================================

PresenterPaneBase::PresenterPaneBase (
    const Reference<XComponentContext>& rxContext,
    const ::rtl::Reference<PresenterController>& rpPresenterController)
    : PresenterPaneBaseInterfaceBase(m_aMutex),
      mpPresenterController(rpPresenterController),
      mxParentWindow(),
      mxBorderWindow(),
      mxBorderCanvas(),
      mxContentWindow(),
      mxContentCanvas(),
      mxPaneId(),
      mxBorderPainter(),
      mxPresenterHelper(),
      msTitle(),
      mxComponentContext(rxContext),
      mpViewBackground()
{
    if (mpPresenterController.get() != nullptr)
        mxPresenterHelper = mpPresenterController->GetPresenterHelper();
}

PresenterPaneBase::~PresenterPaneBase()
{
}

void PresenterPaneBase::disposing()
{
    if (mxBorderWindow.is())
    {
        mxBorderWindow->removeWindowListener(this);
        mxBorderWindow->removePaintListener(this);
    }

    {
        Reference<XComponent> xComponent (mxContentCanvas, UNO_QUERY);
        mxContentCanvas = nullptr;
        if (xComponent.is())
            xComponent->dispose();
    }

    {
        Reference<XComponent> xComponent (mxContentWindow, UNO_QUERY);
        mxContentWindow = nullptr;
        if (xComponent.is())
            xComponent->dispose();
    }

    {
        Reference<XComponent> xComponent (mxBorderCanvas, UNO_QUERY);
        mxBorderCanvas = nullptr;
        if (xComponent.is())
            xComponent->dispose();
    }

    {
        Reference<XComponent> xComponent (mxBorderWindow, UNO_QUERY);
        mxBorderWindow = nullptr;
        if (xComponent.is())
            xComponent->dispose();
    }

    mxComponentContext = nullptr;
}

void PresenterPaneBase::SetTitle (const OUString& rsTitle)
{
    msTitle = rsTitle;

    OSL_ASSERT(mpPresenterController.get()!=nullptr);
    OSL_ASSERT(mpPresenterController->GetPaintManager().get()!=nullptr);

    mpPresenterController->GetPaintManager()->Invalidate(mxBorderWindow);
}

const OUString& PresenterPaneBase::GetTitle() const
{
    return msTitle;
}

const Reference<drawing::framework::XPaneBorderPainter>&
    PresenterPaneBase::GetPaneBorderPainter() const
{
    return mxBorderPainter;
}

//----- XInitialization -------------------------------------------------------

void SAL_CALL PresenterPaneBase::initialize (const Sequence<Any>& rArguments)
{
    ThrowIfDisposed();

    if ( ! mxComponentContext.is())
    {
        throw RuntimeException(
            "PresenterSpritePane: missing component context",
            static_cast<XWeak*>(this));
    }

    if (rArguments.getLength() != 5 && rArguments.getLength() != 6)
    {
        throw RuntimeException(
            "PresenterSpritePane: invalid number of arguments",
                static_cast<XWeak*>(this));
    }

    try
    {
        // Get the resource id from the first argument.
        if ( ! (rArguments[0] >>= mxPaneId))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid pane id",
                static_cast<XWeak*>(this),
                0);
        }

        if ( ! (rArguments[1] >>= mxParentWindow))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid parent window",
                static_cast<XWeak*>(this),
                1);
        }

        Reference<rendering::XSpriteCanvas> xParentCanvas;
        if ( ! (rArguments[2] >>= xParentCanvas))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid parent canvas",
                static_cast<XWeak*>(this),
                2);
        }

        if ( ! (rArguments[3] >>= msTitle))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid title",
                static_cast<XWeak*>(this),
                3);
        }

        if ( ! (rArguments[4] >>= mxBorderPainter))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid border painter",
                static_cast<XWeak*>(this),
                4);
        }

        bool bIsWindowVisibleOnCreation (true);
        if (rArguments.getLength()>5 && ! (rArguments[5] >>= bIsWindowVisibleOnCreation))
        {
            throw lang::IllegalArgumentException(
                "PresenterPane: invalid window visibility flag",
                static_cast<XWeak*>(this),
                5);
        }

        CreateWindows(bIsWindowVisibleOnCreation);

        if (mxBorderWindow.is())
        {
            mxBorderWindow->addWindowListener(this);
            mxBorderWindow->addPaintListener(this);
        }

        CreateCanvases(xParentCanvas);

        // Raise new windows.
        ToTop();
    }
    catch (Exception&)
    {
        mxContentWindow = nullptr;
        mxComponentContext = nullptr;
        throw;
    }
}

//----- XResourceId -----------------------------------------------------------

Reference<XResourceId> SAL_CALL PresenterPaneBase::getResourceId()
{
    ThrowIfDisposed();
    return mxPaneId;
}

sal_Bool SAL_CALL PresenterPaneBase::isAnchorOnly()
{
    return true;
}

//----- XWindowListener -------------------------------------------------------

void SAL_CALL PresenterPaneBase::windowResized (const awt::WindowEvent&)
{
    ThrowIfDisposed();
}

void SAL_CALL PresenterPaneBase::windowMoved (const awt::WindowEvent&)
{
    ThrowIfDisposed();
}

void SAL_CALL PresenterPaneBase::windowShown (const lang::EventObject&)
{
    ThrowIfDisposed();
}

void SAL_CALL PresenterPaneBase::windowHidden (const lang::EventObject&)
{
    ThrowIfDisposed();
}

//----- lang::XEventListener --------------------------------------------------

void SAL_CALL PresenterPaneBase::disposing (const lang::EventObject& rEvent)
{
    if (rEvent.Source == mxBorderWindow)
    {
        mxBorderWindow = nullptr;
    }
}


void PresenterPaneBase::CreateWindows (
    const bool bIsWindowVisibleOnCreation)
{
    if (mxPresenterHelper.is() && mxParentWindow.is())
    {

        mxBorderWindow = mxPresenterHelper->createWindow(
            mxParentWindow,
            false,
            bIsWindowVisibleOnCreation,
            false,
            false);
        mxContentWindow = mxPresenterHelper->createWindow(
            mxBorderWindow,
            false,
            bIsWindowVisibleOnCreation,
            false,
            false);
    }
}

const Reference<awt::XWindow>& PresenterPaneBase::GetBorderWindow() const
{
    return mxBorderWindow;
}

void PresenterPaneBase::ToTop()
{
    if (mxPresenterHelper.is())
        mxPresenterHelper->toTop(mxContentWindow);
}

void PresenterPaneBase::SetBackground (const SharedBitmapDescriptor& rpBackground)
{
    mpViewBackground = rpBackground;
}

void PresenterPaneBase::PaintBorder (const awt::Rectangle& rUpdateBox)
{
    OSL_ASSERT(mxPaneId.is());

    if (mxBorderPainter.is() && mxBorderWindow.is() && mxBorderCanvas.is())
    {
        awt::Rectangle aBorderBox (mxBorderWindow->getPosSize());
        awt::Rectangle aLocalBorderBox (0,0, aBorderBox.Width, aBorderBox.Height);

        //TODO: paint border background?

        mxBorderPainter->paintBorder(
                mxPaneId->getResourceURL(),
                mxBorderCanvas,
                aLocalBorderBox,
                rUpdateBox,
                msTitle);
    }
}

void PresenterPaneBase::LayoutContextWindow()
{
    OSL_ASSERT(mxPaneId.is());
    OSL_ASSERT(mxBorderWindow.is());
    OSL_ASSERT(mxContentWindow.is());
    if (mxBorderPainter.is() && mxPaneId.is() && mxBorderWindow.is() && mxContentWindow.is())
    {
        const awt::Rectangle aBorderBox (mxBorderWindow->getPosSize());
        const awt::Rectangle aInnerBox (mxBorderPainter->removeBorder(
            mxPaneId->getResourceURL(),
            aBorderBox,
            drawing::framework::BorderType_TOTAL_BORDER));
        mxContentWindow->setPosSize(
            aInnerBox.X - aBorderBox.X,
            aInnerBox.Y - aBorderBox.Y,
            aInnerBox.Width,
            aInnerBox.Height,
            awt::PosSize::POSSIZE);
    }
}

bool PresenterPaneBase::IsVisible() const
{
    Reference<awt::XWindow2> xWindow2 (mxBorderPainter, UNO_QUERY);
    if (xWindow2.is())
        return xWindow2->isVisible();

    return false;
}

void PresenterPaneBase::ThrowIfDisposed()
{
    if (rBHelper.bDisposed || rBHelper.bInDispose)
    {
        throw lang::DisposedException (
            "PresenterPane object has already been disposed",
            static_cast<uno::XWeak*>(this));
    }
}

} } // end of namespace ::sd::presenter

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */