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, 117 insertions, 0 deletions

diff --git a/sd/source/ui/slidesorter/view/SlsViewCacheContext.cxx b/sd/source/ui/slidesorter/view/SlsViewCacheContext.cxx
new file mode 100644
index 000000000..ce27cec28
--- /dev/null
+++ b/sd/source/ui/slidesorter/view/SlsViewCacheContext.cxx
@@ -0,0 +1,117 @@
+/* -*- 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 "SlsViewCacheContext.hxx"
+
+#include <SlideSorter.hxx>
+#include <model/SlideSorterModel.hxx>
+#include <model/SlsPageDescriptor.hxx>
+#include <model/SlsPageEnumerationProvider.hxx>
+#include <view/SlideSorterView.hxx>
+#include <sdpage.hxx>
+#include <Window.hxx>
+#include <drawdoc.hxx>
+#include <tools/IdleDetection.hxx>
+#include <svx/svdpage.hxx>
+
+namespace sd::slidesorter::view {
+
+ViewCacheContext::ViewCacheContext (SlideSorter& rSlideSorter)
+    : mrModel(rSlideSorter.GetModel()),
+      mrSlideSorter(rSlideSorter)
+{
+}
+
+ViewCacheContext::~ViewCacheContext()
+{
+}
+
+void ViewCacheContext::NotifyPreviewCreation(cache::CacheKey aKey)
+{
+    const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
+    if (pDescriptor)
+    {
+        // Force a repaint that will trigger their re-creation.
+        mrSlideSorter.GetView().RequestRepaint(pDescriptor);
+    }
+    else
+    {
+        // It is OK when a preview was created for a page that is not
+        // currently displayed because both normal and master pages are
+        // kept in the same cache.
+    }
+}
+
+bool ViewCacheContext::IsIdle()
+{
+    tools::IdleState nIdleState (tools::IdleDetection::GetIdleState(mrSlideSorter.GetContentWindow()));
+    return nIdleState == tools::IdleState::Idle;
+}
+
+bool ViewCacheContext::IsVisible (cache::CacheKey aKey)
+{
+    const model::SharedPageDescriptor pDescriptor (GetDescriptor(aKey));
+    return pDescriptor && pDescriptor->HasState(model::PageDescriptor::ST_Visible);
+}
+
+const SdrPage* ViewCacheContext::GetPage (cache::CacheKey aKey)
+{
+    return aKey;
+}
+
+std::shared_ptr<std::vector<cache::CacheKey> > ViewCacheContext::GetEntryList (bool bVisible)
+{
+    auto pKeys = std::make_shared<std::vector<cache::CacheKey>>();
+
+    model::PageEnumeration aPageEnumeration (
+        bVisible
+            ? model::PageEnumerationProvider::CreateVisiblePagesEnumeration(mrModel)
+            : model::PageEnumerationProvider::CreateAllPagesEnumeration(mrModel));
+
+    while (aPageEnumeration.HasMoreElements())
+    {
+        model::SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement());
+        pKeys->push_back(pDescriptor->GetPage());
+    }
+
+    return pKeys;
+}
+
+sal_Int32 ViewCacheContext::GetPriority (cache::CacheKey aKey)
+{
+    return - (aKey->GetPageNum()-1) / 2;
+}
+
+model::SharedPageDescriptor ViewCacheContext::GetDescriptor (cache::CacheKey aKey)
+{
+    sal_uInt16 nPageIndex ((aKey->GetPageNum() - 1) / 2);
+    return mrModel.GetPageDescriptor(nPageIndex);
+}
+
+css::uno::Reference<css::uno::XInterface> ViewCacheContext::GetModel()
+{
+    if (mrModel.GetDocument() == nullptr)
+        return nullptr;
+    else
+        return mrModel.GetDocument()->getUnoModel();
+}
+
+} // end of namespace ::sd::slidesorter::view
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */