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, 178 insertions, 0 deletions

diff --git a/sdext/source/presenter/PresenterConfigurationAccess.hxx b/sdext/source/presenter/PresenterConfigurationAccess.hxx
new file mode 100644
index 000000000..afd1b9aa4
--- /dev/null
+++ b/sdext/source/presenter/PresenterConfigurationAccess.hxx
@@ -0,0 +1,178 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERCONFIGURATIONACCESS_HXX
+#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERCONFIGURATIONACCESS_HXX
+
+#include <rtl/ustring.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <vector>
+#include <functional>
+
+namespace sdext::presenter {
+
+/** This class gives access to the configuration.  Create an object of this
+    class for one node of the configuration.  This will be the root node.
+    From this one you can use this class in two ways.
+
+    <p>In a stateless mode (with exception of the root node) you can use static
+    methods for obtaining child nodes, get values from properties at leaf
+    nodes and iterate over children of inner nodes.</p>
+
+    <p>In a stateful mode use non-static methods like GoToChild() to
+    navigate to children.</p>
+
+    <p>Note to call CommitChanges() after making changes to
+    PresenterConfigurationAccess object that was opened in READ_WRITE mode.</p>
+*/
+class PresenterConfigurationAccess
+{
+public:
+    enum WriteMode { READ_WRITE, READ_ONLY };
+    typedef ::std::function<bool (
+        const OUString&,
+        const css::uno::Reference<css::beans::XPropertySet>&)> Predicate;
+    static constexpr OUStringLiteral msPresenterScreenRootName =
+        u"/org.openoffice.Office.PresenterScreen/";
+
+    /** Create a new object to access the configuration entries below the
+        given root.
+        @param rsRootName
+            Name of the root.  You can use msPresenterScreenRootName to
+            access the configuration of the presenter screen.
+        @param eMode
+            This flag specifies whether to give read-write or read-only
+            access.
+    */
+    PresenterConfigurationAccess(
+        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
+        const OUString& rsRootName,
+        WriteMode eMode);
+
+    ~PresenterConfigurationAccess();
+
+    /** Return a configuration node below the root of the called object.
+        @param rsPathToNode
+            The relative path from the root (as given the constructor) to the node.
+    */
+    css::uno::Any GetConfigurationNode (
+        const OUString& rsPathToNode);
+
+    /** Return <TRUE/> when opening the configuration (via creating a new
+        PresenterConfigurationAccess object) or previous calls to
+        GoToChild() left the called PresenterConfigurationAccess object in a
+        valid state.
+    */
+    bool IsValid() const;
+
+    /** Move the focused node to the (possibly indirect) child specified by the given path.
+    */
+    bool GoToChild (const OUString& rsPathToNode);
+
+    /** Move the focused node to the first direct child that fulfills the given predicate.
+    */
+    bool GoToChild (const Predicate& rPredicate);
+
+    /** Modify the property child of the currently focused node.  Keep in
+        mind to call CommitChanges() to write the change back to the
+        configuration.
+    */
+    bool SetProperty (const OUString& rsPropertyName, const css::uno::Any& rValue);
+
+    /** Return a configuration node below the given node.
+        @param rxNode
+            The node that acts as root to the given relative path.
+        @param rsPathToNode
+            The relative path from the given node to the requested node.
+            When this string is empty then rxNode is returned.
+        @return
+            The type of the returned node varies with the requested node.
+            It is empty when the node was not found.
+    */
+    static css::uno::Any GetConfigurationNode (
+        const css::uno::Reference<css::container::XHierarchicalNameAccess>& rxNode,
+        const OUString& rsPathToNode);
+
+    static css::uno::Reference<css::beans::XPropertySet> GetNodeProperties (
+        const css::uno::Reference<css::container::XHierarchicalNameAccess>& rxNode,
+        const OUString& rsPathToNode);
+
+    /** Write any changes that have been made back to the configuration.
+        This call is ignored when the called ConfigurationAccess object was
+        not create with read-write mode.
+    */
+    void CommitChanges();
+
+    typedef ::std::function<void (
+        const ::std::vector<css::uno::Any>&) > ItemProcessor;
+    typedef ::std::function<void (
+        const OUString&,
+        const css::uno::Reference<css::beans::XPropertySet>&) > PropertySetProcessor;
+
+    /** Execute a functor for all elements of the given container.
+        @param rxContainer
+            The container is a XNameAccess to a list of the configuration.
+            This can be a node returned by GetConfigurationNode().
+        @param rArguments
+            The functor is called with arguments that are children of each
+            element of the container.  The set of children is specified  this
+            list.
+        @param rFunctor
+            The functor to be executed for some or all of the elements in
+            the given container.
+    */
+    static void ForAll (
+        const css::uno::Reference<css::container::XNameAccess>& rxContainer,
+        const ::std::vector<OUString>& rArguments,
+        const ItemProcessor& rProcessor);
+    static void ForAll (
+        const css::uno::Reference<css::container::XNameAccess>& rxContainer,
+        const PropertySetProcessor& rProcessor);
+
+    static css::uno::Any Find (
+        const css::uno::Reference<css::container::XNameAccess>& rxContainer,
+        const Predicate& rPredicate);
+
+    static bool IsStringPropertyEqual (
+        std::u16string_view rsValue,
+        const OUString& rsPropertyName,
+        const css::uno::Reference<css::beans::XPropertySet>& rxNode);
+
+    /** This method wraps a call to getPropertyValue() and returns an empty
+        Any instead of throwing an exception when the property does not
+        exist.
+    */
+    static css::uno::Any GetProperty (
+        const css::uno::Reference<css::beans::XPropertySet>& rxProperties,
+        const OUString& rsKey);
+
+private:
+    css::uno::Reference<css::uno::XInterface> mxRoot;
+    css::uno::Any maNode;
+};
+
+} // end of namespace sdext::tools
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */