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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 .
+ */
+#ifndef INCLUDED_SVX_SOURCE_INC_FMPGEIMP_HXX
+#define INCLUDED_SVX_SOURCE_INC_FMPGEIMP_HXX
+
+#include <config_options.h>
+#include <com/sun/star/sdbc/XDataSource.hpp>
+#include <com/sun/star/form/XFormComponent.hpp>
+#include <com/sun/star/form/XForm.hpp>
+#include <com/sun/star/form/XForms.hpp>
+#include <com/sun/star/container/XMap.hpp>
+
+#include <tools/link.hxx>
+#include <cppuhelper/weakref.hxx>
+
+#include <svx/svxdllapi.h>
+
+class FmFormObj;
+class FmFormPage;
+class SdrObject;
+
+
+// FmFormPageImpl
+// Listens to all containers to determine when objects have been inserted
+// and when they have been removed
+
+
+class FmFormPageImpl final
+{
+    css::uno::Reference< css::form::XForm >               xCurrentForm;
+    css::uno::Reference< css::form::XForms >              m_xForms;
+    css::uno::WeakReference< css::container::XMap >       m_aControlShapeMap;
+
+    FmFormPage&     m_rPage;
+    Link<FmFormPageImpl&,void>  m_aFormsCreationHdl;
+
+    bool            m_bFirstActivation;
+    bool            m_bAttemptedFormCreation;
+
+public:
+    explicit FmFormPageImpl( FmFormPage& _rPage );
+    ~FmFormPageImpl();
+
+    void initFrom( FmFormPageImpl& i_foreignImpl );
+
+    //  only important for the DesignMode
+    void setCurForm(const css::uno::Reference< css::form::XForm>& xForm);
+    css::uno::Reference< css::form::XForm> getDefaultForm();
+
+    /** finds a place in the form component hierarchy where to insert the given component
+
+        Note that no actual insertion happens, this is the responsibility of the caller (as
+        the caller might decide on a suitable place where in the returned container the insertion
+        should happen).
+    */
+    css::uno::Reference< css::form::XForm> findPlaceInFormComponentHierarchy(
+        const css::uno::Reference< css::form::XFormComponent>& rContent,
+        const css::uno::Reference< css::sdbc::XDataSource>& rDatabase = css::uno::Reference< css::sdbc::XDataSource>(),
+        const OUString& rDBTitle = OUString(),
+        const OUString& rCursorSource = OUString(),
+        sal_Int32 nCommandType = 0
+    );
+
+    // activation handling
+    bool    hasEverBeenActivated( ) const { return !m_bFirstActivation; }
+    void        setHasBeenActivated( ) { m_bFirstActivation = false; }
+
+    const css::uno::Reference< css::form::XForms>& getForms( bool _bForceCreate = true );
+
+    void        SetFormsCreationHdl( const Link<FmFormPageImpl&,void>& _rFormsCreationHdl ) { m_aFormsCreationHdl = _rFormsCreationHdl; }
+
+private:
+    /** finds a form with a given data source signature
+        @param rForm
+            the form to start the search with. This form, including all possible sub forms,
+            will be examined
+        @param rDatabase
+            the data source which to which the found form must be bound
+        @param rCommand
+            the desired Command property value of the sought-after form
+        @param nCommandType
+            the desired CommandType property value of the sought-after form
+    */
+    css::uno::Reference< css::form::XForm> findFormForDataSource(
+        const css::uno::Reference< css::form::XForm>& rForm,
+        const css::uno::Reference< css::sdbc::XDataSource>& rDatabase,
+        const OUString& rCommand,
+        sal_Int32 nCommandType
+    );
+
+public:
+    static OUString setUniqueName(const css::uno::Reference< css::form::XFormComponent>& xFormComponent, const css::uno::Reference< css::form::XForm>& xControls);
+
+    void formObjectInserted( const FmFormObj& _object );
+    void formObjectRemoved( const FmFormObj& _object );
+    void formModelAssigned( const FmFormObj& _object );
+
+    /** returns an object mapping from control models to drawing shapes.
+    */
+    UNLESS_MERGELIBS(SVXCORE_DLLPUBLIC) css::uno::Reference< css::container::XMap > getControlToShapeMap();
+
+private:
+    /** validates whether <member>xCurrentForm</member> is still valid and to be used
+
+        There are situations where our current form becomes invalid, without us noticing this. Thus,
+        every method which accesses <member>xCurrentForm</member> should beforehand validate the current
+        form by calling this method.
+
+        If <member>xCurrentForm</member> is not valid anymore, it is reset to <NULL/>.
+
+        @return
+            <TRUE/> if and only if xCurrentForm is valid.
+
+        @since #i40086#
+    */
+    bool    validateCurForm();
+
+    css::uno::Reference< css::container::XMap >
+        impl_createControlShapeMap_nothrow();
+
+    FmFormPageImpl( const FmFormPageImpl& ) = delete;
+    FmFormPageImpl& operator=( const FmFormPageImpl& ) = delete;
+};
+
+
+#endif // INCLUDED_SVX_SOURCE_INC_FMPGEIMP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */