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, 366 insertions, 0 deletions

diff --git a/sd/source/ui/sidebar/RecentlyUsedMasterPages.cxx b/sd/source/ui/sidebar/RecentlyUsedMasterPages.cxx
new file mode 100644
index 000000000..268658823
--- /dev/null
+++ b/sd/source/ui/sidebar/RecentlyUsedMasterPages.cxx
@@ -0,0 +1,366 @@
+/* -*- 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 .
+ */
+
+#include "RecentlyUsedMasterPages.hxx"
+#include "MasterPageContainerProviders.hxx"
+#include <MasterPageObserver.hxx>
+#include "MasterPageDescriptor.hxx"
+#include <tools/ConfigurationAccess.hxx>
+
+#include <algorithm>
+#include <memory>
+#include <vector>
+
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <osl/doublecheckedlocking.h>
+#include <osl/getglobalmutex.hxx>
+
+using namespace ::std;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace {
+
+OUString GetPathToImpressConfigurationRoot()
+{
+    return "/org.openoffice.Office.Impress/";
+}
+OUString GetPathToSetNode()
+{
+    return "MultiPaneGUI/ToolPanel/RecentlyUsedMasterPages";
+}
+
+} // end of anonymous namespace
+
+namespace sd::sidebar {
+
+RecentlyUsedMasterPages* RecentlyUsedMasterPages::mpInstance = nullptr;
+
+RecentlyUsedMasterPages&  RecentlyUsedMasterPages::Instance()
+{
+    if (mpInstance == nullptr)
+    {
+        ::osl::GetGlobalMutex aMutexFunctor;
+        ::osl::MutexGuard aGuard (aMutexFunctor());
+        if (mpInstance == nullptr)
+        {
+            RecentlyUsedMasterPages* pInstance = new RecentlyUsedMasterPages();
+            pInstance->LateInit();
+            SdGlobalResourceContainer::Instance().AddResource (
+                ::std::unique_ptr<SdGlobalResource>(pInstance));
+            OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+            mpInstance = pInstance;
+        }
+    }
+    else {
+        OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+    }
+
+    return *mpInstance;
+}
+
+constexpr size_t gnMaxListSize(8);
+
+RecentlyUsedMasterPages::RecentlyUsedMasterPages()
+    : mpContainer(std::make_shared<MasterPageContainer>())
+{
+}
+
+RecentlyUsedMasterPages::~RecentlyUsedMasterPages()
+{
+    Link<MasterPageContainerChangeEvent&,void> aLink (LINK(this,RecentlyUsedMasterPages,MasterPageContainerChangeListener));
+    mpContainer->RemoveChangeListener(aLink);
+
+    MasterPageObserver::Instance().RemoveEventListener(
+        LINK(this,RecentlyUsedMasterPages,MasterPageChangeListener));
+}
+
+void RecentlyUsedMasterPages::LateInit()
+{
+    Link<MasterPageContainerChangeEvent&,void> aLink (LINK(this,RecentlyUsedMasterPages,MasterPageContainerChangeListener));
+    mpContainer->AddChangeListener(aLink);
+
+    LoadPersistentValues ();
+    MasterPageObserver::Instance().AddEventListener(
+        LINK(this,RecentlyUsedMasterPages,MasterPageChangeListener));
+}
+
+void RecentlyUsedMasterPages::LoadPersistentValues()
+{
+    try
+    {
+        tools::ConfigurationAccess aConfiguration (
+            GetPathToImpressConfigurationRoot(),
+            tools::ConfigurationAccess::READ_ONLY);
+        Reference<container::XNameAccess> xSet (
+            aConfiguration.GetConfigurationNode(GetPathToSetNode()),
+            UNO_QUERY);
+        if ( ! xSet.is())
+            return;
+
+        static const OUStringLiteral sURLMemberName(u"URL");
+        static const OUStringLiteral sNameMemberName(u"Name");
+        OUString sURL;
+        OUString sName;
+
+        // Read the names and URLs of the master pages.
+        const Sequence<OUString> aKeys (xSet->getElementNames());
+        mvMasterPages.clear();
+        mvMasterPages.reserve(aKeys.getLength());
+        for (const auto& rKey : aKeys)
+        {
+            Reference<container::XNameAccess> xSetItem (
+                xSet->getByName(rKey), UNO_QUERY);
+            if (xSetItem.is())
+            {
+                Any aURL (xSetItem->getByName(sURLMemberName));
+                Any aName (xSetItem->getByName(sNameMemberName));
+                aURL >>= sURL;
+                aName >>= sName;
+                SharedMasterPageDescriptor pDescriptor = std::make_shared<MasterPageDescriptor>(
+                    MasterPageContainer::TEMPLATE,
+                    -1,
+                    sURL,
+                    OUString(),
+                    sName,
+                    false,
+                    std::make_shared<TemplatePageObjectProvider>(sURL),
+                    std::make_shared<TemplatePreviewProvider>(sURL));
+                // For user supplied templates we use a different
+                // preview provider: The preview in the document shows
+                // not only shapes on the master page but also shapes on
+                // the foreground.  This is misleading and therefore
+                // these previews are discarded and created directly
+                // from the page objects.
+                if (pDescriptor->GetURLClassification() == MasterPageDescriptor::URLCLASS_USER)
+                    pDescriptor->mpPreviewProvider = std::make_shared<PagePreviewProvider>();
+                MasterPageContainer::Token aToken (mpContainer->PutMasterPage(pDescriptor));
+                mvMasterPages.emplace_back(aToken,sURL,sName);
+            }
+        }
+
+        ResolveList();
+    }
+    catch (Exception&)
+    {
+        // Ignore exception.
+    }
+}
+
+void RecentlyUsedMasterPages::SavePersistentValues()
+{
+    try
+    {
+        tools::ConfigurationAccess aConfiguration (
+            GetPathToImpressConfigurationRoot(),
+            tools::ConfigurationAccess::READ_WRITE);
+        Reference<container::XNameContainer> xSet (
+            aConfiguration.GetConfigurationNode(GetPathToSetNode()),
+            UNO_QUERY);
+        if ( ! xSet.is())
+            return;
+
+        // Clear the set.
+        const Sequence<OUString> aKeys (xSet->getElementNames());
+        for (const auto& rKey : aKeys)
+            xSet->removeByName (rKey);
+
+        // Fill it with the URLs of this object.
+        static const OUStringLiteral sURLMemberName(u"URL");
+        static const OUStringLiteral sNameMemberName(u"Name");
+        Any aValue;
+        Reference<lang::XSingleServiceFactory> xChildFactory (
+            xSet, UNO_QUERY);
+        if ( ! xChildFactory.is())
+            return;
+        sal_Int32 nIndex(0);
+        for (const auto& rDescriptor : mvMasterPages)
+        {
+            // Create new child.
+            OUString sKey = "index_" + OUString::number(nIndex);
+            Reference<container::XNameReplace> xChild(
+                xChildFactory->createInstance(), UNO_QUERY);
+            if (xChild.is())
+            {
+                xSet->insertByName (sKey, Any(xChild));
+
+                aValue <<= rDescriptor.msURL;
+                xChild->replaceByName (sURLMemberName, aValue);
+
+                aValue <<= rDescriptor.msName;
+                xChild->replaceByName (sNameMemberName, aValue);
+            }
+            ++nIndex;
+        }
+
+        // Write the data back to disk.
+        aConfiguration.CommitChanges();
+    }
+    catch (Exception&)
+    {
+        // Ignore exception.
+    }
+}
+
+void RecentlyUsedMasterPages::AddEventListener (const Link<LinkParamNone*,void>& rEventListener)
+{
+    if (::std::find (
+        maListeners.begin(),
+        maListeners.end(),
+        rEventListener) == maListeners.end())
+    {
+        maListeners.push_back (rEventListener);
+    }
+}
+
+void RecentlyUsedMasterPages::RemoveEventListener (const Link<LinkParamNone*,void>& rEventListener)
+{
+    maListeners.erase (
+        ::std::find (
+            maListeners.begin(),
+            maListeners.end(),
+            rEventListener));
+}
+
+int RecentlyUsedMasterPages::GetMasterPageCount() const
+{
+    return mvMasterPages.size();
+}
+
+MasterPageContainer::Token RecentlyUsedMasterPages::GetTokenForIndex (sal_uInt32 nIndex) const
+{
+    if(nIndex<mvMasterPages.size())
+        return mvMasterPages[nIndex].maToken;
+    else
+        return MasterPageContainer::NIL_TOKEN;
+}
+
+void RecentlyUsedMasterPages::SendEvent()
+{
+    for (const auto& aLink : maListeners)
+    {
+        aLink.Call(nullptr);
+    }
+}
+
+IMPL_LINK(RecentlyUsedMasterPages, MasterPageChangeListener,
+    MasterPageObserverEvent&, rEvent, void)
+{
+    switch (rEvent.meType)
+    {
+        case MasterPageObserverEvent::ET_MASTER_PAGE_ADDED:
+        case MasterPageObserverEvent::ET_MASTER_PAGE_EXISTS:
+            AddMasterPage(
+                mpContainer->GetTokenForStyleName(rEvent.mrMasterPageName));
+            break;
+
+        case MasterPageObserverEvent::ET_MASTER_PAGE_REMOVED:
+            // Do not change the list of recently master pages (the deleted
+            // page was recently used) but tell the listeners.  They may want
+            // to update their lists.
+            SendEvent();
+            break;
+    }
+}
+
+IMPL_LINK(RecentlyUsedMasterPages, MasterPageContainerChangeListener,
+    MasterPageContainerChangeEvent&, rEvent, void)
+{
+    switch (rEvent.meEventType)
+    {
+        case MasterPageContainerChangeEvent::EventType::CHILD_ADDED:
+        case MasterPageContainerChangeEvent::EventType::CHILD_REMOVED:
+        case MasterPageContainerChangeEvent::EventType::INDEX_CHANGED:
+            ResolveList();
+            break;
+
+        default:
+            // Ignored.
+            break;
+    }
+}
+
+void RecentlyUsedMasterPages::AddMasterPage (
+    MasterPageContainer::Token aToken)
+{
+    // For the page to be inserted the token has to be valid and the page
+    // has to have a valid URL.  This excludes master pages that do not come
+    // from template files.
+    if (aToken == MasterPageContainer::NIL_TOKEN
+        || mpContainer->GetURLForToken(aToken).isEmpty())
+        return;
+
+    MasterPageList::iterator aIterator (
+        ::std::find_if(mvMasterPages.begin(),mvMasterPages.end(),
+            Descriptor::TokenComparator(aToken)));
+    if (aIterator != mvMasterPages.end())
+    {
+        // When an entry for the given token already exists then remove
+        // it now and insert it later at the head of the list.
+        mvMasterPages.erase (aIterator);
+    }
+
+    mvMasterPages.insert(mvMasterPages.begin(),
+        Descriptor(
+            aToken,
+            mpContainer->GetURLForToken(aToken),
+            mpContainer->GetStyleNameForToken(aToken)));
+
+    // Shorten list to maximal size.
+    while (mvMasterPages.size() > gnMaxListSize)
+    {
+        mvMasterPages.pop_back ();
+    }
+
+    SavePersistentValues ();
+    SendEvent();
+}
+
+void RecentlyUsedMasterPages::ResolveList()
+{
+    bool bNotify (false);
+
+    for (auto& rDescriptor : mvMasterPages)
+    {
+        if (rDescriptor.maToken == MasterPageContainer::NIL_TOKEN)
+        {
+            MasterPageContainer::Token aToken (mpContainer->GetTokenForURL(rDescriptor.msURL));
+            rDescriptor.maToken = aToken;
+            if (aToken != MasterPageContainer::NIL_TOKEN)
+                bNotify = true;
+        }
+        else
+        {
+            if ( ! mpContainer->HasToken(rDescriptor.maToken))
+            {
+                rDescriptor.maToken = MasterPageContainer::NIL_TOKEN;
+                bNotify = true;
+            }
+        }
+    }
+
+    if (bNotify)
+        SendEvent();
+}
+
+} // end of namespace sd::sidebar
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */