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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 .
*/
#pragma once
#include "ViewShellManager.hxx"
#include <tools/link.hxx>
#include <svl/lstner.hxx>
#include <vcl/vclptr.hxx>
class VclWindowEvent;
class FmFormShell;
namespace vcl
{
class Window;
}
namespace sd::tools
{
class EventMultiplexerEvent;
}
namespace sd
{
class ViewShellBase;
/** This simple class is responsible for putting the form shell above or
below the main view shell on the shell stack maintained by the ObjectBarManager.
The form shell is moved above the view shell when the form shell is
activated, i.e. the FormControlActivated handler is called.
It is moved below the view shell when the main window of the
main view shell is focused.
The form shell is created and destroyed by the ViewShellManager by using
a factory object provided by the FormShellManager.
*/
class FormShellManager : public SfxListener
{
public:
FormShellManager(ViewShellBase& rBase);
virtual ~FormShellManager() override;
/** Typically called by a ShellFactory. It tells the
FormShellManager which form shell to manage.
@param pFormShell
This may be <NULL/> to disconnect the ViewShellManager from the
form shell.
*/
void SetFormShell(FmFormShell* pFormShell);
/** Return the form shell last set with SetFormShell().
@return
The result may be <NULL/> when the SetFormShell() method has not
yet been called or was last called with <NULL/>.
*/
FmFormShell* GetFormShell() { return mpFormShell; }
private:
ViewShellBase& mrBase;
/** Ownership of the form shell lies with the ViewShellManager. This
reference is kept so that the FormShellManager can detect when a new
form shell is passed to SetFormShell().
*/
FmFormShell* mpFormShell;
/** Remember whether the form shell is currently above or below the main
view shell.
*/
bool mbFormShellAboveViewShell;
/** The factory is remembered so that it removed from the
ViewShellManager when the FormShellManager is destroyed.
*/
ViewShellManager::SharedShellFactory mpSubShellFactory;
bool mbIsMainViewChangePending;
VclPtr<vcl::Window> mpMainViewShellWindow;
/** Register at window of center pane and at the form shell that
represents the form tool bar. The former informs this manager about
the deselection of the form shell. The later informs about its
selection.
*/
void RegisterAtCenterPane();
/** Unregister the listeners that were registered in
RegisterAtCenterPane().
*/
void UnregisterAtCenterPane();
/** This call back is called by the application window (among others)
when the window gets the focus. In this case the form shell is
moved to the bottom of the shell stack.
*/
DECL_LINK(WindowEventHandler, VclWindowEvent&, void);
/** This call back is called when view in the center pane is replaced.
When this happens then we unregister at the window of the old and
register at the window of the new shell.
*/
DECL_LINK(ConfigurationUpdateHandler, ::sd::tools::EventMultiplexerEvent&, void);
/** This call back is called by the form shell when it gets the focus.
In this case the form shell is moved to the top of the shell stack.
*/
DECL_LINK(FormControlActivated, LinkParamNone*, void);
/** This method is called by the form shell when that is destroyed. It
acts as a last resort against referencing a dead form shell. With
the factory working properly this method should not be necessary
(and may be removed in the future.)
*/
virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
};
} // end of namespace sd
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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