tagwindowasmodified.cxx

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#include <helper/tagwindowasmodified.hxx>
 
#include <com/sun/star/awt/XWindow.hpp>
 
#include <com/sun/star/frame/FrameAction.hpp>
 
#include <toolkit/helper/vclunohelper.hxx>
#include <vcl/window.hxx>
#include <vcl/svapp.hxx>
#include <vcl/wintypes.hxx>
 
namespace framework{
 
TagWindowAsModified::TagWindowAsModified()
{
}
 
TagWindowAsModified::~TagWindowAsModified()
{
}
 
void SAL_CALL TagWindowAsModified::initialize(const css::uno::Sequence< css::uno::Any >& lArguments)
{
    css::uno::Reference< css::frame::XFrame > xFrame;
 
    if (lArguments.hasElements())
        lArguments[0] >>= xFrame;
 
    if (!xFrame)
        return;
 
    m_xFrame = xFrame;
    xFrame->addFrameActionListener(this);
    impl_update (xFrame);
}
 
void SAL_CALL TagWindowAsModified::modified(const css::lang::EventObject& aEvent)
{
    if (!m_xModel || !m_xWindow || aEvent.Source != m_xModel)
        return;
 
    bool bModified = m_xModel->isModified ();
 
    // SYNCHRONIZED ->
    SolarMutexGuard aSolarGuard;
 
    if (m_xWindow->isDisposed())
        return;
 
    if (bModified)
        m_xWindow->SetExtendedStyle(WindowExtendedStyle::DocModified);
    else
        m_xWindow->SetExtendedStyle(WindowExtendedStyle::NONE);
    // <- SYNCHRONIZED
}
 
void SAL_CALL TagWindowAsModified::frameAction(const css::frame::FrameActionEvent& aEvent)
{
    if (
        (aEvent.Action != css::frame::FrameAction_COMPONENT_REATTACHED) &&
        (aEvent.Action != css::frame::FrameAction_COMPONENT_ATTACHED  )
       )
        return;
 
    if ( aEvent.Source != m_xFrame )
        return;
 
    impl_update (m_xFrame);
}
 
void SAL_CALL TagWindowAsModified::disposing(const css::lang::EventObject& aEvent)
{
    SolarMutexGuard g;
 
    if (m_xFrame && aEvent.Source == m_xFrame)
    {
        m_xFrame->removeFrameActionListener(this);
        m_xFrame.clear();
        return;
    }
 
    if (m_xModel && aEvent.Source == m_xModel)
    {
        m_xModel->removeModifyListener(this);
        m_xModel.clear();
        return;
    }
}
 
void TagWindowAsModified::impl_update (const css::uno::Reference< css::frame::XFrame >& xFrame)
{
    if (!xFrame)
        return;
 
    css::uno::Reference< css::awt::XWindow >       xWindow     = xFrame->getContainerWindow ();
    css::uno::Reference< css::frame::XController > xController = xFrame->getController ();
    css::uno::Reference< css::util::XModifiable >  xModel;
    if (xController.is ())
        xModel = css::uno::Reference< css::util::XModifiable >(xController->getModel(), css::uno::UNO_QUERY);
 
    if (!xWindow || !xModel)
        return;
 
    {
        SolarMutexGuard g;
 
        VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWindow);
        bool bSystemWindow = pWindow->IsSystemWindow();
        bool bWorkWindow   = (pWindow->GetType() == WindowType::WORKWINDOW);
        if (!bSystemWindow && !bWorkWindow)
            return;
 
        if (m_xModel)
            m_xModel->removeModifyListener (this);
 
        // Note: frame was set as member outside ! we have to refresh connections
        // regarding window and model only here.
        m_xWindow = pWindow;
        m_xModel  = xModel;
    }
 
    m_xModel->addModifyListener (this);
}
 
} // namespace framework
 
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