fixed possible deadlock when closing osd with blinking element

coreengine/animation.c

@@ -342,7 +342,7 @@ void cAnimation::Blink(void) {
         Sleep(freq);
         if (Running()) {
             blinkable->DoBlink(blinkFunc, blinkOn);
-            blinkable->Flush();  
+            blinkable->Flush();
         }
         blinkOn = !blinkOn;
     }

coreengine/area.h

@@ -42,6 +42,7 @@ public:
     bool ActiveTab(void) { return activeTab; };
     virtual int GetWidth(void) { return 0; };
     virtual void Cache(void) {};
+    virtual void StopBlinkers(void) {};
     virtual void Close(void) {};
     virtual void Clear(void) {};
     virtual void Hide(void) {};
@@ -82,7 +83,6 @@ private:
     void CreatePixmap(cRect drawPort = cRect::Null);
     void SetScrollFunc(void);
     void StartBlinkers(void);
-    void StopBlinkers(void);
 public:
     cArea(void);
     cArea(const cArea &other);
@@ -131,6 +131,7 @@ public:
     //Blinkable
     int BlinkFreq(int func);
     void DoBlink(int func, bool on);
+    void StopBlinkers(void);
     //Common
     const char *Name(void) { return attribs->Name(); };
     bool BackgroundArea(void) { return attribs->BackgroundArea(); };

coreengine/view.c

@@ -215,6 +215,11 @@ void cView::Render(int ve, bool force) {
 }
 
 void cView::Close(void) {
+    for (int i=0; i < numViewElements; i++) {
+        if (!viewElements[i])
+            continue;
+        viewElements[i]->StopBlinking();
+    }
     delete fader;
     fader = NULL;
     delete shifter;

coreengine/viewelement.c

@@ -319,6 +319,12 @@ void cViewElement::Close(void) {
     blocked = false;
 }
 
+void cViewElement::StopBlinking(void) {
+    for (cAreaNode *node = areaNodes.First(); node; node = areaNodes.Next(node)) {
+        node->StopBlinkers();
+    }
+}
+
 void cViewElement::Render(void) {
     if (!dirty || blocked)
         return;

coreengine/viewelement.h

@@ -61,6 +61,7 @@ public:
     void SetAreaHeight(int height);
     void Cache(void);
     virtual void Close(void);
+    void StopBlinking(void);
     virtual void Clear(void);
     void Hide(void);
     void Show(void);