1 files changed, 195 insertions, 0 deletions
diff --git a/sd/source/ui/framework/module/ShellStackGuard.cxx b/sd/source/ui/framework/module/ShellStackGuard.cxx
new file mode 100644
index 000000000000..f13374ec673d
--- /dev/null
+++ b/sd/source/ui/framework/module/ShellStackGuard.cxx
@@ -0,0 +1,195 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_sd.hxx"
+
+#include "ShellStackGuard.hxx"
+
+#include "framework/ConfigurationController.hxx"
+#include "framework/FrameworkHelper.hxx"
+
+#include "DrawController.hxx"
+#include "ViewShellBase.hxx"
+#include <sfx2/printer.hxx>
+#include <com/sun/star/drawing/framework/XControllerManager.hpp>
+#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::drawing::framework;
+
+using ::rtl::OUString;
+using ::sd::framework::FrameworkHelper;
+
+
+namespace sd { namespace framework {
+
+//===== CenterViewFocusModule ====================================================
+
+ShellStackGuard::ShellStackGuard (Reference<frame::XController>& rxController)
+    : ShellStackGuardInterfaceBase(m_aMutex),
+      mxConfigurationController(),
+      mpBase(NULL),
+      mpUpdateLock(),
+      maPrinterPollingTimer()
+{
+    Reference<XControllerManager> xControllerManager (rxController, UNO_QUERY);
+    if (xControllerManager.is())
+    {
+        mxConfigurationController = xControllerManager->getConfigurationController();
+
+        // Tunnel through the controller to obtain a ViewShellBase.
+        Reference<lang::XUnoTunnel> xTunnel (rxController, UNO_QUERY);
+        if (xTunnel.is())
+        {
+            ::sd::DrawController* pController = reinterpret_cast<sd::DrawController*>(
+                xTunnel->getSomething(sd::DrawController::getUnoTunnelId()));
+            if (pController != NULL)
+                mpBase = pController->GetViewShellBase();
+        }
+    }
+
+    if (mxConfigurationController.is())
+    {
+        // Listen for update starts so that the following update can be
+        // prevented in case of a printing printer.
+        mxConfigurationController->addConfigurationChangeListener(
+            this,
+            FrameworkHelper::msConfigurationUpdateStartEvent,
+            Any());
+
+        // Prepare the printer polling.
+        maPrinterPollingTimer.SetTimeoutHdl(LINK(this,ShellStackGuard,TimeoutHandler));
+        maPrinterPollingTimer.SetTimeout(300);
+    }
+}
+
+
+
+
+ShellStackGuard::~ShellStackGuard (void)
+{
+}
+
+
+
+
+void SAL_CALL ShellStackGuard::disposing (void)
+{
+    if (mxConfigurationController.is())
+        mxConfigurationController->removeConfigurationChangeListener(this);
+
+    mxConfigurationController = NULL;
+    mpBase = NULL;
+}
+
+
+
+
+void SAL_CALL ShellStackGuard::notifyConfigurationChange (
+    const ConfigurationChangeEvent& rEvent)
+    throw (RuntimeException)
+{
+    if (rEvent.Type.equals(FrameworkHelper::msConfigurationUpdateStartEvent))
+    {
+        if (mpUpdateLock.get() == NULL && IsPrinting())
+        {
+            // Prevent configuration updates while the printer is printing.
+            mpUpdateLock.reset(new ConfigurationController::Lock(mxConfigurationController));
+
+            // Start polling for the printer having finished printing.
+            maPrinterPollingTimer.Start();
+        }
+    }
+}
+
+
+
+
+void SAL_CALL ShellStackGuard::disposing (
+    const lang::EventObject& rEvent)
+    throw (RuntimeException)
+{
+    if (mxConfigurationController.is())
+        if (rEvent.Source == mxConfigurationController)
+        {
+            mxConfigurationController = NULL;
+            mpBase = NULL;
+        }
+}
+
+
+
+
+IMPL_LINK(ShellStackGuard, TimeoutHandler, Timer*, pTimer)
+{
+#ifdef DEBUG
+    OSL_ASSERT(pTimer==&maPrinterPollingTimer);
+#else
+    (void)pTimer;
+#endif
+    if (mpUpdateLock.get() != NULL)
+    {
+        if ( ! IsPrinting())
+        {
+            // Printing finished.  Release the update lock.
+            mpUpdateLock.reset();
+        }
+        else
+        {
+            // Wait long for the printing to finish.
+            maPrinterPollingTimer.Start();
+        }
+    }
+
+    return 0;
+}
+
+
+
+
+
+bool ShellStackGuard::IsPrinting (void) const
+{
+    if (mpBase != NULL)
+    {
+        SfxPrinter* pPrinter = mpBase->GetPrinter();
+        if (pPrinter != NULL
+            && pPrinter->IsPrinting())
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+
+} } // end of namespace sd::framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */