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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 <com/sun/star/linguistic2/XLanguageGuessing.hpp>
+#include <com/sun/star/document/XDocumentEventListener.hpp>
+#include <com/sun/star/util/XChangesListener.hpp>
+#include <com/sun/star/container/XContainerListener.hpp>
+#include <com/sun/star/frame/XFrame.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/ui/XContextChangeEventListener.hpp>
+
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/weakref.hxx>
+
+#include <i18nlangtag/lang.h>
+#include <svl/languageoptions.hxx>
+#include <rtl/ustring.hxx>
+
+#include <functional>
+#include <set>
+#include <utility>
+
+namespace framework
+{
+
+// menu ids for language status bar control
+enum LangMenuIDs
+{
+ MID_LANG_SEL_1 = 1, // need to start with 1 since xPopupMenu->execute will return 0 if the menu is cancelled
+ MID_LANG_SEL_2,
+ MID_LANG_SEL_3,
+ MID_LANG_SEL_4,
+ MID_LANG_SEL_5,
+ MID_LANG_SEL_6,
+ MID_LANG_SEL_7,
+ MID_LANG_SEL_8,
+ MID_LANG_SEL_9,
+ MID_LANG_SEL_NONE,
+ MID_LANG_SEL_RESET,
+ MID_LANG_SEL_MORE,
+ MID_LANG_DEF_NONE,
+ MID_LANG_DEF_RESET,
+ MID_LANG_DEF_MORE,
+
+ MID_LANG_PARA_SEPARATOR,
+ MID_LANG_PARA_STRING,
+
+ MID_LANG_PARA_1,
+ MID_LANG_PARA_2,
+ MID_LANG_PARA_3,
+ MID_LANG_PARA_4,
+ MID_LANG_PARA_5,
+ MID_LANG_PARA_6,
+ MID_LANG_PARA_7,
+ MID_LANG_PARA_8,
+ MID_LANG_PARA_9,
+ MID_LANG_PARA_NONE,
+ MID_LANG_PARA_RESET,
+ MID_LANG_PARA_MORE,
+};
+
+inline bool IsScriptTypeMatchingToLanguage( SvtScriptType nScriptType, LanguageType nLang )
+{
+ return bool(nScriptType & SvtLanguageOptions::GetScriptTypeOfLanguage( nLang ));
+}
+
+inline void RetrieveTypeNameFromResourceURL( const OUString& aResourceURL, OUString& aType, OUString& aName )
+{
+ static const char RESOURCEURL_PREFIX[] = "private:resource/";
+ static const sal_Int32 RESOURCEURL_PREFIX_SIZE = strlen(RESOURCEURL_PREFIX);
+
+ if (aResourceURL.startsWith( RESOURCEURL_PREFIX ))
+ {
+ sal_Int32 nIdx{ RESOURCEURL_PREFIX_SIZE };
+ while (nIdx<aResourceURL.getLength() && aResourceURL[nIdx]=='/') ++nIdx;
+ if (nIdx>=aResourceURL.getLength())
+ return;
+ aType = aResourceURL.getToken(0, '/', nIdx);
+ if (nIdx<0)
+ return;
+ while (nIdx<aResourceURL.getLength() && aResourceURL[nIdx]=='/') ++nIdx;
+ if (nIdx>=aResourceURL.getLength())
+ return;
+ aName = aResourceURL.getToken(0, '/', nIdx);
+ }
+}
+
+class LanguageGuessingHelper
+{
+ mutable css::uno::Reference< css::linguistic2::XLanguageGuessing > m_xLanguageGuesser;
+ css::uno::Reference< css::uno::XComponentContext > m_xContext;
+
+public:
+ LanguageGuessingHelper(css::uno::Reference< css::uno::XComponentContext > _xContext) : m_xContext(std::move(_xContext)){}
+
+ css::uno::Reference< css::linguistic2::XLanguageGuessing > const & GetGuesser() const;
+};
+
+void FillLangItems( std::set< OUString > &rLangItems,
+ const css::uno::Reference< css::frame::XFrame > &rxFrame,
+ const LanguageGuessingHelper & rLangGuessHelper,
+ SvtScriptType nScriptType,
+ const OUString & rCurLang,
+ const OUString & rKeyboardLang,
+ const OUString & rGuessedTextLang );
+
+//It's common for an object to want to create and own a Broadcaster and set
+//itself as a Listener on its own Broadcaster member.
+
+//However, calling addListener on a Broadcaster means that the Broadcaster adds
+//a reference to the Listener leading to an ownership cycle where the Listener
+//owns the Broadcaster which "owns" the Listener.
+
+//The WeakContainerListener allows breaking this cycle and retrofitting
+//afflicted implementations fairly easily.
+
+//OriginalListener owns the Broadcaster which "owns" the WeakContainerListener
+//which forwards the events to the OriginalListener without taking ownership of
+//it.
+class WeakContainerListener final : public ::cppu::WeakImplHelper<css::container::XContainerListener>
+{
+ private:
+ css::uno::WeakReference<css::container::XContainerListener> mxOwner;
+
+ public:
+ WeakContainerListener(css::uno::Reference<css::container::XContainerListener> const & xOwner)
+ : mxOwner(xOwner)
+ {
+ }
+
+ // container.XContainerListener
+ virtual void SAL_CALL elementInserted(const css::container::ContainerEvent& rEvent) override
+ {
+ css::uno::Reference<css::container::XContainerListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->elementInserted(rEvent);
+ }
+
+ virtual void SAL_CALL elementRemoved(const css::container::ContainerEvent& rEvent) override
+ {
+ css::uno::Reference<css::container::XContainerListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->elementRemoved(rEvent);
+ }
+
+ virtual void SAL_CALL elementReplaced(const css::container::ContainerEvent& rEvent) override
+ {
+ css::uno::Reference<css::container::XContainerListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->elementReplaced(rEvent);
+ }
+
+ // lang.XEventListener
+ virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override
+ {
+ css::uno::Reference<css::container::XContainerListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->disposing(rEvent);
+
+ }
+};
+
+class WeakChangesListener final : public ::cppu::WeakImplHelper<css::util::XChangesListener>
+{
+ private:
+ css::uno::WeakReference<css::util::XChangesListener> mxOwner;
+
+ public:
+ WeakChangesListener(css::uno::Reference<css::util::XChangesListener> const & xOwner)
+ : mxOwner(xOwner)
+ {
+ }
+
+ // util.XChangesListener
+ virtual void SAL_CALL changesOccurred(const css::util::ChangesEvent& rEvent) override
+ {
+ css::uno::Reference<css::util::XChangesListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->changesOccurred(rEvent);
+ }
+
+ // lang.XEventListener
+ virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override
+ {
+ css::uno::Reference<css::util::XChangesListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->disposing(rEvent);
+
+ }
+};
+
+class WeakDocumentEventListener final : public ::cppu::WeakImplHelper<css::document::XDocumentEventListener>
+{
+ private:
+ css::uno::WeakReference<css::document::XDocumentEventListener> mxOwner;
+
+ public:
+ WeakDocumentEventListener(css::uno::Reference<css::document::XDocumentEventListener> const & xOwner)
+ : mxOwner(xOwner)
+ {
+ }
+
+ virtual void SAL_CALL documentEventOccured(const css::document::DocumentEvent& rEvent) override
+ {
+ css::uno::Reference<css::document::XDocumentEventListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->documentEventOccured(rEvent);
+
+ }
+
+ // lang.XEventListener
+ virtual void SAL_CALL disposing(const css::lang::EventObject& rEvent) override
+ {
+ css::uno::Reference<css::document::XDocumentEventListener> xOwner(mxOwner.get(),
+ css::uno::UNO_QUERY);
+ if (xOwner.is())
+ xOwner->disposing(rEvent);
+
+ }
+};
+
+css::uno::Reference<css::ui::XContextChangeEventListener>
+GetFirstListenerWith_Impl(
+ css::uno::Reference<css::uno::XComponentContext> const & xComponentContext,
+ css::uno::Reference<css::uno::XInterface> const& xEventFocus,
+ std::function<bool (css::uno::Reference<css::ui::XContextChangeEventListener> const&)> const& rPredicate);
+
+extern auto (*g_pGetMultiplexerListener)(
+ css::uno::Reference<css::uno::XComponentContext> const & xComponentContext,
+ css::uno::Reference<css::uno::XInterface> const&,
+ std::function<bool (css::uno::Reference<css::ui::XContextChangeEventListener> const&)> const&)
+ -> css::uno::Reference<css::ui::XContextChangeEventListener>;
+
+} // namespace framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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