Make buttonstatuslistener a generic listener for any widgets

Change-Id: I966b06e1169f8a06d08be811f78e98a2e3d7580c
Reviewed-on: https://gerrit.libreoffice.org/20401
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
Tested-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

3 files changed, 102 insertions, 47 deletions

diff --git a/include/vcl/button.hxx b/include/vcl/button.hxx
index 93d5b99e8b03..81c79a2b1de8 100644
--- a/include/vcl/button.hxx
+++ b/include/vcl/button.hxx
@@ -94,7 +94,7 @@ public:
     virtual bool        set_property(const OString &rKey, const OString &rValue) override;
 
     /// Sets the button state according to the FeatureStateEvent emitted by an Uno state change.
-    virtual void        SetStateUno(const css::frame::FeatureStateEvent& rEvent);
+    void                statusChanged(const css::frame::FeatureStateEvent& rEvent);
 
 protected:
 
@@ -187,7 +187,7 @@ public:
 
     void            SetState( TriState eState );
     TriState        GetState() const { return meState; }
-    virtual void    SetStateUno(const css::frame::FeatureStateEvent& rEvent) override;
+    void            statusChanged(const css::frame::FeatureStateEvent& rEvent);
 
     void            Check( bool bCheck = true );
     bool            IsChecked() const;
diff --git a/include/vcl/buttonstatuslistener.hxx b/include/vcl/buttonstatuslistener.hxx
deleted file mode 100644
index 772189591114..000000000000
--- a/include/vcl/buttonstatuslistener.hxx
+++ /dev/null
@@ -1,45 +0,0 @@
-/* -*- 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/.
- */
-
-#ifndef INCLUDED_VCL_BUTTONSTATUSLISTENER_HXX
-#define INCLUDED_VCL_BUTTONSTATUSLISTENER_HXX
-
-#include <cppuhelper/implbase.hxx>
-#include <vcl/button.hxx>
-
-#include <com/sun/star/util/URL.hpp>
-#include <com/sun/star/frame/XStatusListener.hpp>
-#include <com/sun/star/frame/XDispatch.hpp>
-
-
-class VCL_DLLPUBLIC ButtonStatusListener : public cppu::WeakImplHelper < css::frame::XStatusListener>
-{
-public:
-    ButtonStatusListener(Button* button, const rtl::OUString& aCommand);
-
-private:
-    VclPtr<Button> mButton; /** The button on which actions are performed */
-
-    /** Dispatcher. Need to keep a reference to it as long as this StatusListener exists. */
-    css::uno::Reference<css::frame::XDispatch> mxDispatch;
-    css::util::URL maCommandURL;
-
-public:
-    virtual void SAL_CALL statusChanged(const css::frame::FeatureStateEvent& rEvent)
-            throw(css::uno::RuntimeException, std::exception) override;
-
-    virtual void SAL_CALL disposing(const css::lang::EventObject& /*Source*/)
-            throw( css::uno::RuntimeException, std::exception ) override;
-
-    void dispose();
-};
-
-#endif // INCLUDED_VCL_BUTTONSTATUSLISTENER_HXX
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file
diff --git a/include/vcl/vclstatuslistener.hxx b/include/vcl/vclstatuslistener.hxx
new file mode 100644
index 000000000000..186d4491406d
--- /dev/null
+++ b/include/vcl/vclstatuslistener.hxx
@@ -0,0 +1,100 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_VCL_VCLSTATUSLISTENER_HXX
+#define INCLUDED_VCL_VCLSTATUSLISTENER_HXX
+
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/processfactory.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/vclptr.hxx>
+
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XStatusListener.hpp>
+#include <com/sun/star/frame/XDispatch.hpp>
+#include <com/sun/star/frame/XDispatchProvider.hpp>
+#include <com/sun/star/util/URL.hpp>
+#include <com/sun/star/util/URLTransformer.hpp>
+
+template <class T> class VCL_DLLPUBLIC VclStatusListener : public cppu::WeakImplHelper < css::frame::XStatusListener>
+{
+public:
+    VclStatusListener<T>(T* widget, const rtl::OUString& aCommand);
+
+private:
+    VclPtr<T> mWidget; /** The widget on which actions are performed */
+
+    /** Dispatcher. Need to keep a reference to it as long as this StatusListener exists. */
+    css::uno::Reference<css::frame::XDispatch> mxDispatch;
+    css::util::URL maCommandURL;
+
+public:
+    void SAL_CALL statusChanged(const css::frame::FeatureStateEvent& rEvent)
+        throw(css::uno::RuntimeException, std::exception) override;
+
+    void SAL_CALL disposing(const css::lang::EventObject& /*Source*/)
+        throw( css::uno::RuntimeException, std::exception ) override;
+
+    void dispose();
+};
+
+template<class T>
+VclStatusListener<T>::VclStatusListener(T* widget, const rtl::OUString& aCommand) {
+    mWidget = widget;
+
+    css::uno::Reference<css::uno::XComponentContext> xContext = ::comphelper::getProcessComponentContext();
+    css::uno::Reference<css::frame::XDesktop2> xDesktop = css::frame::Desktop::create(xContext);
+
+    css::uno::Reference<css::frame::XFrame> xFrame(xDesktop->getActiveFrame());
+    if (!xFrame.is())
+        xFrame = css::uno::Reference<css::frame::XFrame>(xDesktop, css::uno::UNO_QUERY);
+
+    css::uno::Reference<css::frame::XDispatchProvider> xDispatchProvider(xFrame, css::uno::UNO_QUERY);
+    if (!xDispatchProvider.is())
+        return;
+
+    maCommandURL.Complete = aCommand;
+    css::uno::Reference<css::util::XURLTransformer> xParser = css::util::URLTransformer::create(xContext);
+    xParser->parseStrict(maCommandURL);
+
+    mxDispatch = xDispatchProvider->queryDispatch(maCommandURL, "", 0);
+    if (!mxDispatch.is())
+        return;
+
+    mxDispatch->addStatusListener(this, maCommandURL);
+}
+
+template<class T>
+void VclStatusListener<T>::statusChanged(const css::frame::FeatureStateEvent& rEvent)
+            throw(css::uno::RuntimeException, std::exception)
+{
+    mWidget->statusChanged(rEvent);
+}
+
+template<class T>
+void VclStatusListener<T>::disposing(const css::lang::EventObject& /*Source*/)
+            throw( css::uno::RuntimeException, std::exception )
+{
+    mxDispatch.clear();
+}
+
+template<class T>
+void VclStatusListener<T>::dispose()
+{
+    if (mxDispatch.is()) {
+        mxDispatch->removeStatusListener(this, maCommandURL);
+        mxDispatch.clear();
+    }
+    mWidget.clear();
+}
+
+
+#endif // INCLUDED_VCL_VCLSTATUSLISTENER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file