fixed bug that detached viewelements were not cleared correctly

HISTORY

@@ -316,3 +316,7 @@ Version 0.4.5
 - added {numtimers} Token to lastrecordings viewelement
 - fixed time display bug in displaymenurecordings
 - added token {watched} to displaymenurecordings
+- fixed bug that scrapercontent in displaychannel was not
+  updated if detached
+- fixed bug that detached viewelements were not cleared
+  correctly

views/displaychannelview.c

@@ -354,14 +354,16 @@ void cDisplayChannelView::DrawScraperContent(const cEvent *event) {
     }
 
     if (DetachViewElement(veScraperContent)) {
-        cViewElement *viewElement = GetViewElement(veScraperContent);
+        cViewElementScraperContent *viewElement = dynamic_cast<cViewElementScraperContent*>(GetViewElement(veScraperContent));
         if (!viewElement) {
             viewElement = new cViewElementScraperContent(event, ctPosterBanner, tmplView->GetViewElement(veScraperContent));
             AddViewElement(veScraperContent, viewElement);
             viewElement->Start();
         } else {
-            if (!viewElement->Starting())
+            if (!viewElement->Starting()) {
+                viewElement->SetEvent(event);
                 viewElement->Render();
+            }
         }
     } else {
         map < string, string > stringTokens;

views/displayviewelements.h

@@ -27,6 +27,7 @@ private:
 public:
     cViewElementScraperContent(const cEvent *event, ScraperContentType type, cTemplateViewElement *tmplViewElement);
     virtual ~cViewElementScraperContent() {};
+    void SetEvent(const cEvent *event) { this->event = event; };
     bool Render(void);
 };
 

views/view.c

@@ -183,6 +183,11 @@ void cView::DrawViewElement(eViewElement ve, map <string,string> *stringTokens,
 }
 
 void cView::ClearViewElement(eViewElement ve) {
+    cViewElement *detachedVE = GetViewElement(ve);
+    if (detachedVE) {
+        detachedVE->Clear();
+        return;
+    }
     cTemplateViewElement *viewElement = NULL;
     int currentAnimCat = ve;
     if (tmplViewElement) {
@@ -1103,6 +1108,10 @@ bool cViewElement::Render(void) {
     return true;
 }
 
+void cViewElement::Clear(void) {
+    ClearViewElement(ve);
+}
+
 void cViewElement::Action(void) {
     DoSleep(delay);
     if (!Running())

views/view.h

@@ -95,6 +95,7 @@ public:
     virtual ~cViewElement();
     void SetCallback(eViewElement ve, bool (cViewHelpers::*SetTokens)(bool, stringmap&, intmap&)) { this->ve = ve; this->SetTokens = SetTokens; };
     virtual bool Render(void);
+    void Clear(void);
     bool Starting(void) { return Running(); };
 };