From 80729c8f066983d50883140620a5b2833fda61c0 Mon Sep 17 00:00:00 2001
From: Norbert Thiebaud <nthiebaud@gmail.com>
Date: Sat, 12 Mar 2011 18:54:40 -0600
Subject: add a SolarMutexResettableGuard... needed in sfx2

---
 vcl/inc/vcl/svapp.hxx | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

(limited to 'vcl/inc/vcl/svapp.hxx')

diff --git a/vcl/inc/vcl/svapp.hxx b/vcl/inc/vcl/svapp.hxx
index 7f9fc9ecd928..85e902161a48 100644
--- a/vcl/inc/vcl/svapp.hxx
+++ b/vcl/inc/vcl/svapp.hxx
@@ -557,6 +557,52 @@ protected:
     osl::SolarMutex& m_solarMutex;
 };
 
+class VCL_DLLPUBLIC SolarMutexResettableGuard
+{
+    SolarMutexResettableGuard( const SolarMutexResettableGuard& );
+    const SolarMutexResettableGuard& operator = ( const SolarMutexResettableGuard& );
+    bool m_bCleared;
+public:
+    /** Acquires mutex
+        @param pMutex pointer to mutex which is to be acquired  */
+    SolarMutexResettableGuard()
+        : m_bCleared(false)
+        , m_solarMutex( Application::GetSolarMutex() )
+        {
+            m_solarMutex.acquire();
+        }
+
+    /** Releases mutex. */
+    virtual ~SolarMutexResettableGuard()
+        {
+            if( !m_bCleared )
+            {
+                m_solarMutex.release();
+            }
+        }
+
+    /** Releases mutex. */
+    void SAL_CALL clear()
+        {
+            if( !m_bCleared)
+            {
+                m_solarMutex.release();
+                m_bCleared = true;
+            }
+        }
+    /** Releases mutex. */
+    void SAL_CALL reset()
+        {
+            if( m_bCleared)
+            {
+                m_solarMutex.acquire();
+                m_bCleared = false;
+            }
+        }
+protected:
+    osl::SolarMutex& m_solarMutex;
+};
+
 
 /**
  A helper class that calls Application::ReleaseSolarMutex() in its constructor
-- 
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