new comphelper::WeakImplComponentHelper

to replace the cppu:: equivalent with a lightweight version
that uses std::mutex instead of osl::Mutex

Change-Id: I1b7873a0c2d9cda21f529e43a4ac2fa7574c91a5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127335
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 48 insertions, 0 deletions

diff --git a/comphelper/source/misc/compbase.cxx b/comphelper/source/misc/compbase.cxx
new file mode 100644
index 000000000000..bd2ff837943f
--- /dev/null
+++ b/comphelper/source/misc/compbase.cxx
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+
+#include <comphelper/compbase.hxx>
+
+namespace comphelper
+{
+WeakComponentImplHelperBase::~WeakComponentImplHelperBase() {}
+
+// css::lang::XComponent
+void SAL_CALL WeakComponentImplHelperBase::dispose()
+{
+    std::unique_lock aGuard(m_aMutex);
+    if (m_bDisposed)
+        return;
+    m_bDisposed = true;
+    disposing();
+    css::lang::EventObject aEvt(static_cast<OWeakObject*>(this));
+    maEventListeners.disposeAndClear(aGuard, aEvt);
+}
+
+void WeakComponentImplHelperBase::disposing() {}
+
+void SAL_CALL WeakComponentImplHelperBase::addEventListener(
+    css::uno::Reference<css::lang::XEventListener> const& rxListener)
+{
+    std::unique_lock aGuard(m_aMutex);
+    if (m_bDisposed)
+        return;
+    maEventListeners.addInterface(rxListener);
+}
+
+void SAL_CALL WeakComponentImplHelperBase::removeEventListener(
+    css::uno::Reference<css::lang::XEventListener> const& rxListener)
+{
+    std::unique_lock aGuard(m_aMutex);
+    maEventListeners.removeInterface(rxListener);
+}
+
+} // namespace comphelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */