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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/.
*/
#ifndef INCLUDED_SFX2_LOKHELPER_HXX
#define INCLUDED_SFX2_LOKHELPER_HXX
#include <sfx2/dllapi.h>
#include <sfx2/viewsh.hxx>
#include <cstddef>
#include <rtl/string.hxx>
#include <comphelper/lok.hxx>
class SfxViewShell;
class SFX2_DLLPUBLIC SfxLokHelper
{
public:
/// Create a new view shell from the current view frame.
static int createView();
/// Destroy a view shell from the global shell list.
static void destroyView(int nId);
/// Set a view shell as current one.
static void setView(int nId);
/// Get the currently active view.
static int getView(SfxViewShell* pViewShell = nullptr);
/// Get the number of views of the current object shell.
static std::size_t getViewsCount();
/// Get viewIds of all existing views.
static bool getViewIds(int* pArray, size_t nSize);
/// Iterate over any view shell, except pThisViewShell, passing it to the f function.
template<typename ViewShellType, typename FunctionType>
static void forEachOtherView(ViewShellType* pThisViewShell, FunctionType f);
/// Invoke the LOK callback of all views except pThisView, with a payload of rKey-rPayload.
static void notifyOtherViews(SfxViewShell* pThisView, int nType, const OString& rKey, const OString& rPayload);
/// Same as notifyOtherViews(), but works on a selected "other" view, not on all of them.
static void notifyOtherView(SfxViewShell* pThisView, SfxViewShell* pOtherView, int nType, const OString& rKey, const OString& rPayload);
/// Emits a LOK_CALLBACK_INVALIDATE_TILES, but tweaks it according to setOptionalFeatures() if needed.
static void notifyInvalidation(SfxViewShell* pThisView, const OString& rPayload);
/// A special value to signify 'infinity'.
/// This value is chosen such that sal_Int32 will not overflow when manipulated.
static const long MaxTwips = 1e9;
};
template<typename ViewShellType, typename FunctionType>
void SfxLokHelper::forEachOtherView(ViewShellType* pThisViewShell, FunctionType f)
{
SfxViewShell* pViewShell = SfxViewShell::GetFirst();
while (pViewShell)
{
auto pOtherViewShell = dynamic_cast<ViewShellType*>(pViewShell);
if (pOtherViewShell != nullptr && pOtherViewShell != pThisViewShell)
{
f(pOtherViewShell);
}
pViewShell = SfxViewShell::GetNext(*pViewShell);
}
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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