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, 196 insertions, 0 deletions

diff --git a/framework/source/accelerators/documentacceleratorconfiguration.cxx b/framework/source/accelerators/documentacceleratorconfiguration.cxx
new file mode 100644
index 000000000..c86895f0d
--- /dev/null
+++ b/framework/source/accelerators/documentacceleratorconfiguration.cxx
@@ -0,0 +1,196 @@
+/* -*- 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 <accelerators/acceleratorconfiguration.hxx>
+#include <accelerators/presethandler.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/sequenceashashmap.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <vcl/svapp.hxx>
+
+using namespace framework;
+
+constexpr OUStringLiteral RESOURCETYPE_ACCELERATOR = u"accelerator";
+
+namespace {
+
+/**
+    implements a read/write access to a document
+    based accelerator configuration.
+ */
+
+typedef ::cppu::ImplInheritanceHelper<
+             XMLBasedAcceleratorConfiguration,
+             css::lang::XServiceInfo> DocumentAcceleratorConfiguration_BASE;
+
+class DocumentAcceleratorConfiguration : public DocumentAcceleratorConfiguration_BASE
+{
+private:
+
+    /** points to the root storage of the outside document,
+        where we can read/save our configuration data. */
+    css::uno::Reference< css::embed::XStorage > m_xDocumentRoot;
+
+public:
+
+    /** initialize this instance and fill the internal cache.
+
+        @param  xSMGR
+                reference to a uno service manager, which is used internally.
+     */
+    DocumentAcceleratorConfiguration(
+            const css::uno::Reference< css::uno::XComponentContext >& xContext,
+            const css::uno::Sequence< css::uno::Any >& lArguments);
+
+    virtual ~DocumentAcceleratorConfiguration() override;
+
+    virtual OUString SAL_CALL getImplementationName() override
+    {
+        return "com.sun.star.comp.framework.DocumentAcceleratorConfiguration";
+    }
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
+    {
+        return cppu::supportsService(this, ServiceName);
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+    {
+        return {"com.sun.star.ui.DocumentAcceleratorConfiguration"};
+    }
+
+    // XUIConfigurationStorage
+    virtual void SAL_CALL setStorage(const css::uno::Reference< css::embed::XStorage >& xStorage) override;
+
+    virtual sal_Bool SAL_CALL hasStorage() override;
+
+    /** read all data into the cache. */
+    void fillCache();
+};
+
+DocumentAcceleratorConfiguration::DocumentAcceleratorConfiguration(
+        const css::uno::Reference< css::uno::XComponentContext >& xContext,
+        const css::uno::Sequence< css::uno::Any >& lArguments)
+    : DocumentAcceleratorConfiguration_BASE(xContext)
+{
+    SolarMutexGuard g;
+    css::uno::Reference<css::embed::XStorage> xRoot;
+    if (lArguments.getLength() == 1 && (lArguments[0] >>= xRoot))
+    {
+        m_xDocumentRoot = xRoot;
+    }
+    else
+    {
+        ::comphelper::SequenceAsHashMap lArgs(lArguments);
+        m_xDocumentRoot = lArgs.getUnpackedValueOrDefault(
+            "DocumentRoot",
+            css::uno::Reference< css::embed::XStorage >());
+    }
+}
+
+DocumentAcceleratorConfiguration::~DocumentAcceleratorConfiguration()
+{
+    m_aPresetHandler.removeStorageListener(this);
+}
+
+void SAL_CALL DocumentAcceleratorConfiguration::setStorage(const css::uno::Reference< css::embed::XStorage >& xStorage)
+{
+    // Attention! xStorage must be accepted too, if it's NULL !
+
+    bool bForgetOldStorages;
+    {
+        SolarMutexGuard g;
+        bForgetOldStorages = m_xDocumentRoot.is();
+        m_xDocumentRoot = xStorage;
+    }
+
+    if (bForgetOldStorages)
+        /* forget all currently cached data AND(!) forget all currently used storages. */
+        m_aPresetHandler.forgetCachedStorages();
+
+    if (xStorage.is())
+        fillCache();
+}
+
+sal_Bool SAL_CALL DocumentAcceleratorConfiguration::hasStorage()
+{
+    SolarMutexGuard g;
+    return m_xDocumentRoot.is();
+}
+
+void DocumentAcceleratorConfiguration::fillCache()
+{
+    css::uno::Reference< css::embed::XStorage > xDocumentRoot;
+    {
+        SolarMutexGuard g;
+        xDocumentRoot = m_xDocumentRoot;
+    }
+
+    // Sometimes we must live without a document root.
+    // E.g. if the document is readonly ...
+    if (!xDocumentRoot.is())
+        return;
+
+    // get current office locale ... but don't cache it.
+    // Otherwise we must be listener on the configuration layer
+    // which seems to superfluous for this small implementation .-)
+    LanguageTag aLanguageTag( impl_ts_getLocale());
+
+    // May be the current document does not contain any
+    // accelerator config? Handle it gracefully :-)
+    try
+    {
+        // Note: The used preset class is threadsafe by itself ... and live if we live!
+        // We do not need any mutex here.
+
+        // open the folder, where the configuration exists
+        m_aPresetHandler.connectToResource(
+            PresetHandler::E_DOCUMENT,
+            RESOURCETYPE_ACCELERATOR,
+            u"",
+            xDocumentRoot,
+            aLanguageTag);
+
+        DocumentAcceleratorConfiguration::reload();
+        m_aPresetHandler.addStorageListener(this);
+    }
+    catch(const css::uno::Exception&)
+    {}
+}
+
+} // namespace framework
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_framework_DocumentAcceleratorConfiguration_get_implementation(
+    css::uno::XComponentContext *context,
+    css::uno::Sequence<css::uno::Any> const &arguments)
+{
+    rtl::Reference<DocumentAcceleratorConfiguration> inst = new DocumentAcceleratorConfiguration(context, arguments);
+    css::uno::XInterface *acquired_inst = cppu::acquire(inst.get());
+
+    inst->fillCache();
+
+    return acquired_inst;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */