Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 261 insertions, 0 deletions

diff --git a/framework/inc/helper/mischelper.hxx b/framework/inc/helper/mischelper.hxx
new file mode 100644
index 000000000..7e028d18e
--- /dev/null
+++ b/framework/inc/helper/mischelper.hxx
@@ -0,0 +1,261 @@
+/* -*- 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: */