2 files changed, 24 insertions, 13 deletions

diff --git a/indra/llui/llfolderview.cpp b/indra/llui/llfolderview.cpp
index f32a52e6c6..704e03a605 100755
--- a/indra/llui/llfolderview.cpp
+++ b/indra/llui/llfolderview.cpp
@@ -167,13 +167,14 @@ LLFolderView::LLFolderView(const Params& p)
 	mMinWidth(0),
 	mDragAndDropThisFrame(FALSE),
 	mCallbackRegistrar(NULL),
-	mParentPanel(p.parent_panel),
 	mUseEllipses(p.use_ellipses),
 	mDraggingOverItem(NULL),
 	mStatusTextBox(NULL),
 	mShowItemLinkOverlays(p.show_item_link_overlays),
 	mViewModel(p.view_model)
 {
+    LLPanel* panel = p.parent_panel;
+    mParentPanel = panel->getHandle();
 	mViewModel->setFolderView(this);
 	mRoot = this;
 
@@ -264,6 +265,7 @@ LLFolderView::~LLFolderView( void )
 	mItems.clear();
 	mFolders.clear();
 
+	//mViewModel->setFolderView(NULL);
 	mViewModel = NULL;
 }
 
@@ -325,7 +327,7 @@ void LLFolderView::filter( LLFolderViewFilter& filter )
 {
     // Entry point of inventory filtering (CHUI-849)
 	LLFastTimer t2(FTM_FILTER);
-    filter.resetTime(llclamp(LLUI::sSettingGroups["config"]->getS32(mParentPanel->getVisible() ? "FilterItemsMaxTimePerFrameVisible" : "FilterItemsMaxTimePerFrameUnvisible"), 1, 100));
+    filter.resetTime(llclamp(LLUI::sSettingGroups["config"]->getS32(mParentPanel.get()->getVisible() ? "FilterItemsMaxTimePerFrameVisible" : "FilterItemsMaxTimePerFrameUnvisible"), 1, 100));
 
     // Note: we filter the model, not the view
 	getViewModelItem()->filter(filter);
@@ -419,7 +421,7 @@ BOOL LLFolderView::setSelection(LLFolderViewItem* selection, BOOL openitem,
 
 	if( selection && take_keyboard_focus)
 	{
-		mParentPanel->setFocus(TRUE);
+		mParentPanel.get()->setFocus(TRUE);
 	}
 
 	// clear selection down here because change of keyboard focus can potentially
@@ -757,7 +759,7 @@ void LLFolderView::removeSelectedItems()
 				if (item_to_delete->remove())
 				{
 					// change selection on successful delete
-					setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+					setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel.get()->hasFocus());
 				}
 			}
 			arrangeAll();
@@ -767,7 +769,7 @@ void LLFolderView::removeSelectedItems()
 			LLDynamicArray<LLFolderViewModelItem*> listeners;
 			LLFolderViewModelItem* listener;
 
-			setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+			setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel.get()->hasFocus());
 
 			for(S32 i = 0; i < count; ++i)
 			{
@@ -947,7 +949,7 @@ void LLFolderView::cut()
 		}
 		
 		// Update the selection
-		setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel->hasFocus());
+		setSelection(item_to_select, item_to_select ? item_to_select->isOpen() : false, mParentPanel.get()->hasFocus());
 	}
 	mSearchString.clear();
 }
@@ -1289,7 +1291,7 @@ BOOL LLFolderView::handleUnicodeCharHere(llwchar uni_char)
 	}
 
 	BOOL handled = FALSE;
-	if (mParentPanel->hasFocus())
+	if (mParentPanel.get()->hasFocus())
 	{
 		// SL-51858: Key presses are not being passed to the Popup menu.
 		// A proper fix is non-trivial so instead just close the menu.
@@ -1323,7 +1325,7 @@ BOOL LLFolderView::handleMouseDown( S32 x, S32 y, MASK mask )
 	mKeyboardSelection = FALSE;
 	mSearchString.clear();
 
-	mParentPanel->setFocus(TRUE);
+	mParentPanel.get()->setFocus(TRUE);
 
 	LLEditMenuHandler::gEditMenuHandler = this;
 
@@ -1406,7 +1408,7 @@ BOOL LLFolderView::handleRightMouseDown( S32 x, S32 y, MASK mask )
 {
 	// all user operations move keyboard focus to inventory
 	// this way, we know when to stop auto-updating a search
-	mParentPanel->setFocus(TRUE);
+	mParentPanel.get()->setFocus(TRUE);
 
 	BOOL handled = childrenHandleRightMouseDown(x, y, mask) != NULL;
 	S32 count = mSelectedItems.size();
@@ -1598,6 +1600,12 @@ void LLFolderView::update()
 	// If this is associated with the user's inventory, don't do anything
 	// until that inventory is loaded up.
 	LLFastTimer t2(FTM_INVENTORY);
+    
+    // If there's no model, the view is in suspended state (being deleted) and shouldn't be updated
+    if (getFolderViewModel() == NULL)
+    {
+        return;
+    }
 
 	if (getFolderViewModel()->getFilter().isModified() && getFolderViewModel()->getFilter().isNotDefault())
 	{
@@ -1644,8 +1652,8 @@ void LLFolderView::update()
 	BOOL filter_finished = getViewModelItem()->passedFilter()
 						&& mViewModel->contentsReady();
 	if (filter_finished 
-		|| gFocusMgr.childHasKeyboardFocus(mParentPanel)
-		|| gFocusMgr.childHasMouseCapture(mParentPanel))
+		|| gFocusMgr.childHasKeyboardFocus(mParentPanel.get())
+		|| gFocusMgr.childHasMouseCapture(mParentPanel.get()))
 	{
 		// finishing the filter process, giving focus to the folder view, or dragging the scrollbar all stop the auto select process
 		mNeedsAutoSelect = FALSE;
diff --git a/indra/llui/llfolderview.h b/indra/llui/llfolderview.h
index 11fccdace4..5b83049e5c 100755
--- a/indra/llui/llfolderview.h
+++ b/indra/llui/llfolderview.h
@@ -229,7 +229,7 @@ public:
 
 	void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
 
-	LLPanel* getParentPanel() { return mParentPanel; }
+	LLPanel* getParentPanel() { return mParentPanel.get(); }
 	// DEBUG only
 	void dumpSelectionInformation();
 
@@ -238,6 +238,9 @@ public:
 	bool useLabelSuffix() { return mUseLabelSuffix; }
 	void updateMenu();
 
+    // Note: We may eventually have to move that method up the hierarchy to LLFolderViewItem.
+	LLHandle<LLFolderView>	getHandle() const { return getDerivedHandle<LLFolderView>(); }
+    
 private:
 	void updateMenuOptions(LLMenuGL* menu);
 	void updateRenamerPosition();
@@ -295,7 +298,7 @@ protected:
 	S32								mMinWidth;
 	BOOL							mDragAndDropThisFrame;
 	
-	LLPanel*						mParentPanel;
+	LLHandle<LLPanel>               mParentPanel;
 	
 	LLFolderViewModelInterface*		mViewModel;