#4724 Fix performance problems with My Outfits - <FS:PP> Cherry pick for FIRE-35936

# Conflicts:
#	indra/newview/lloutfitslist.cpp

indra/llui/llaccordionctrl.cpp

@@ -303,8 +303,11 @@ void LLAccordionCtrl::ctrlSetLeftTopAndSize(LLView* panel, S32 left, S32 top, S3
         return;
     LLRect panel_rect = panel->getRect();
     panel_rect.setLeftTopAndSize( left, top, width, height);
-    panel->reshape( width, height, 1);
+    if (panel->getRect() != panel_rect)
-    panel->setRect(panel_rect);
+    {
+        panel->reshape( width, height, 1);
+        panel->setRect(panel_rect);
+    }
 }
 
 void LLAccordionCtrl::ctrlShiftVertical(LLView* panel, S32 delta)
@@ -494,6 +497,7 @@ void LLAccordionCtrl::arrangeMultiple()
 
 void LLAccordionCtrl::arrange()
 {
+    LL_PROFILE_ZONE_SCOPED;
     updateNoTabsHelpTextVisibility();
 
     if (mAccordionTabs.empty())

indra/llui/llaccordionctrltab.cpp

@@ -248,10 +248,22 @@ void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::draw()
 void LLAccordionCtrlTab::LLAccordionCtrlTabHeader::reshape(S32 width, S32 height, bool called_from_parent /* = true */)
 {
     S32 header_height = mHeaderTextbox->getTextPixelHeight();
+    LLRect old_header_rect = mHeaderTextbox->getRect();
 
     LLRect textboxRect(HEADER_TEXT_LEFT_OFFSET, (height + header_height) / 2, width, (height - header_height) / 2);
-    mHeaderTextbox->reshape(textboxRect.getWidth(), textboxRect.getHeight());
+    if (old_header_rect.getHeight() != textboxRect.getHeight()
-    mHeaderTextbox->setRect(textboxRect);
+        || old_header_rect.mLeft != textboxRect.mLeft
+        || old_header_rect.mTop != textboxRect.mTop
+        || old_header_rect.getWidth() > textboxRect.getWidth() // reducing header's width
+        || (old_header_rect.getWidth() < textboxRect.getWidth() && old_header_rect.getWidth() < mHeaderTextbox->getTextPixelWidth()))
+    {
+        // Expensive text reflow
+        // Update if position or height changes
+        // Update if width reduces
+        // But do not update if text already fits and width increases (arguably LLTextBox::reshape should be smarter, not Accordion)
+        mHeaderTextbox->reshape(textboxRect.getWidth(), textboxRect.getHeight());
+        mHeaderTextbox->setRect(textboxRect);
+    }
 
     if (mHeaderTextbox->getTextPixelWidth() > mHeaderTextbox->getRect().getWidth())
     {
@@ -416,8 +428,11 @@ void LLAccordionCtrlTab::reshape(S32 width, S32 height, bool called_from_parent
     LLRect headerRect;
 
     headerRect.setLeftTopAndSize(0, height, width, HEADER_HEIGHT);
-    mHeader->setRect(headerRect);
+    if (mHeader->getRect() != headerRect)
-    mHeader->reshape(headerRect.getWidth(), headerRect.getHeight());
+    {
+        mHeader->setRect(headerRect);
+        mHeader->reshape(headerRect.getWidth(), headerRect.getHeight());
+    }
 
     if (!mDisplayChildren)
         return;
@@ -932,7 +947,7 @@ void LLAccordionCtrlTab::adjustContainerPanel(const LLRect& child_rect)
         show_hide_scrollbar(child_rect);
         updateLayout(child_rect);
     }
-    else
+    else if (mContainerPanel->getRect() != child_rect)
     {
         mContainerPanel->reshape(child_rect.getWidth(), child_rect.getHeight());
         mContainerPanel->setRect(child_rect);

indra/llui/lltextbase.cpp

@@ -1592,6 +1592,8 @@ void LLTextBase::reshape(S32 width, S32 height, bool called_from_parent)
         // up-to-date mVisibleTextRect
         updateRects();
 
+        // Todo: This might be wrong. updateRects already sets needsReflow conditionaly.
+        // Reflow is expensive and doing it at any twith can be too much.
         needsReflow();
     }
 }

indra/newview/llinventoryitemslist.cpp

@@ -40,6 +40,10 @@
 #include "llinventorymodel.h"
 #include "llviewerinventory.h"
 
+bool LLInventoryItemsList::sListIdleRegistered = false;
+LLInventoryItemsList::all_list_t LLInventoryItemsList::sAllLists;
+LLInventoryItemsList::all_list_t::iterator LLInventoryItemsList::sAllListIter;
+
 LLInventoryItemsList::Params::Params()
 {}
 
@@ -55,13 +59,39 @@ LLInventoryItemsList::LLInventoryItemsList(const LLInventoryItemsList::Params& p
 
     setNoFilteredItemsMsg(LLTrans::getString("InventoryNoMatchingItems"));
 
-    gIdleCallbacks.addFunction(idle, this);
+    sAllLists.push_back(this);
+    sAllListIter = sAllLists.begin();
+
+    if (!sListIdleRegistered)
+    {
+        sAllListIter = sAllLists.begin();
+        gIdleCallbacks.addFunction(idle, nullptr);
+
+        LLEventPumps::instance().obtain("LLApp").listen(
+            "LLInventoryItemsList",
+            [](const LLSD& stat)
+        {
+            std::string status(stat["status"]);
+            if (status != "running")
+            {
+                // viewer is starting shutdown
+                gIdleCallbacks.deleteFunction(idle, nullptr);
+            }
+            return false;
+        });
+        sListIdleRegistered = true;
+    }
 }
 
 // virtual
 LLInventoryItemsList::~LLInventoryItemsList()
 {
-    gIdleCallbacks.deleteFunction(idle, this);
+    auto it = std::find(sAllLists.begin(), sAllLists.end(), this);
+    if (it != sAllLists.end())
+    {
+        sAllLists.erase(it);
+        sAllListIter = sAllLists.begin();
+    }
 }
 
 void LLInventoryItemsList::refreshList(const LLInventoryModel::item_array_t item_array)
@@ -111,25 +141,55 @@ void LLInventoryItemsList::updateSelection()
     mSelectTheseIDs.clear();
 }
 
-void LLInventoryItemsList::doIdle()
+bool LLInventoryItemsList::doIdle()
 {
-    if (mRefreshState == REFRESH_COMPLETE) return;
+    if (mRefreshState == REFRESH_COMPLETE) return true; // done
 
     if (isInVisibleChain() || mForceRefresh || !getFilterSubString().empty())
     {
         refresh();
 
         mRefreshCompleteSignal(this, LLSD());
+        return false; // keep going
     }
+    return true; // done
 }
 
 //static
 void LLInventoryItemsList::idle(void* user_data)
 {
-    LLInventoryItemsList* self = static_cast<LLInventoryItemsList*>(user_data);
+    if (sAllLists.empty())
-    if ( self )
+        return;
-    {   // Do the real idle
+
-        self->doIdle();
+    LL_PROFILE_ZONE_SCOPED;
+
+    using namespace std::chrono;
+    auto start = steady_clock::now();
+    const milliseconds time_limit = milliseconds(3);
+    const auto end_time = start + time_limit;
+    S32 max_update_count = 50;
+
+    if (sAllListIter == sAllLists.end())
+    {
+        sAllListIter = sAllLists.begin();
+    }
+
+    S32 updated = 0;
+    while (steady_clock::now() < end_time
+           && updated < max_update_count
+           && sAllListIter != sAllLists.end())
+    {
+        LLInventoryItemsList* list = *sAllListIter;
+        // Refresh is split into multiple separate parts,
+        // so keep repeating it while there is time, until done.
+        // Todo: refresh() split is pointless now?
+        // Or still useful for large folders?
+        if (list->doIdle())
+        {
+            // Item is done
+            ++sAllListIter;
+            updated++;
+        }
     }
 }
 
@@ -141,6 +201,7 @@ void LLInventoryItemsList::refresh()
     {
     case REFRESH_ALL:
         {
+            LL_PROFILE_ZONE_NAMED("items_refresh_all");
             mAddedItems.clear();
             mRemovedItems.clear();
             computeDifference(getIDs(), mAddedItems, mRemovedItems);
@@ -163,6 +224,7 @@ void LLInventoryItemsList::refresh()
         }
     case REFRESH_LIST_ERASE:
         {
+            LL_PROFILE_ZONE_NAMED("items_refresh_erase");
             uuid_vec_t::const_iterator it = mRemovedItems.begin();
             for (; mRemovedItems.end() != it; ++it)
             {
@@ -175,6 +237,7 @@ void LLInventoryItemsList::refresh()
         }
     case REFRESH_LIST_APPEND:
         {
+            LL_PROFILE_ZONE_NAMED("items_refresh_append");
             static const unsigned ADD_LIMIT = 25; // Note: affects perfomance
 
             unsigned int nadded = 0;
@@ -239,6 +302,7 @@ void LLInventoryItemsList::refresh()
         }
     case REFRESH_LIST_SORT:
         {
+            LL_PROFILE_ZONE_NAMED("items_refresh_sort");
             // Filter, sort, rearrange and notify parent about shape changes
             filterItems(true, true);
 
@@ -255,7 +319,10 @@ void LLInventoryItemsList::refresh()
             break;
         }
     default:
-        break;
+        {
+            mRefreshState = REFRESH_COMPLETE;
+            break;
+        }
     }
 
     setForceRefresh(mRefreshState != REFRESH_COMPLETE);

indra/newview/llinventoryitemslist.h

@@ -59,7 +59,10 @@ public:
      * Sets the flag indicating that the list needs to be refreshed even if it is
      * not currently visible.
      */
-    void setForceRefresh(bool force_refresh) { mForceRefresh = force_refresh; }
+    void setForceRefresh(bool force_refresh)
+    {
+        mForceRefresh = force_refresh;
+    }
 
     /**
     * If refreshes when invisible.
@@ -76,7 +79,7 @@ public:
      * This is needed for example to filter items of the list hidden by closed
      * accordion tab.
      */
-    virtual void doIdle();                      // Real idle routine
+    bool doIdle();                          // Real idle routine
     static void idle(void* user_data);      // static glue to doIdle()
 
 protected:
@@ -126,6 +129,12 @@ private:
     bool mForceRefresh;
 
     commit_signal_t mRefreshCompleteSignal;
+
+    // Update synchronization
+    typedef std::vector<LLInventoryItemsList*> all_list_t;
+    static all_list_t sAllLists;
+    static all_list_t::iterator sAllListIter;
+    static bool sListIdleRegistered;
 };
 
 #endif //LL_LLINVENTORYITEMSLIST_H

indra/newview/lloutfitgallery.cpp

@@ -818,6 +818,7 @@ void LLOutfitGallery::getCurrentCategories(uuid_vec_t& vcur)
 
 void LLOutfitGallery::updateAddedCategory(LLUUID cat_id)
 {
+    LL_PROFILE_ZONE_SCOPED;
     LLViewerInventoryCategory *cat = gInventory.getCategory(cat_id);
     if (!cat) return;
 

indra/newview/lloutfitslist.cpp

@@ -189,6 +189,7 @@ void LLOutfitsList::onOpen(const LLSD& info)
 
 void LLOutfitsList::updateAddedCategory(LLUUID cat_id)
 {
+    LL_PROFILE_ZONE_SCOPED;
     LLViewerInventoryCategory *cat = gInventory.getCategory(cat_id);
     if (!cat) return;
 
@@ -260,7 +261,9 @@ void LLOutfitsList::updateAddedCategory(LLUUID cat_id)
 
     if (AISAPI::isAvailable() && LLInventoryModelBackgroundFetch::instance().folderFetchActive())
     {
-        // for reliability just fetch it whole, linked items included
+        // For reliability just fetch it whole, linked items included
+        // Todo: list is not warrantied to exist once callback arrives
+        // Fix it!
         LLInventoryModelBackgroundFetch::instance().fetchFolderAndLinks(cat_id, [cat_id, list]
         {
             if (list)
@@ -1153,6 +1156,7 @@ void LLOutfitListBase::onIdle(void* userdata)
 
 void LLOutfitListBase::onIdleRefreshList()
 {
+    LL_PROFILE_ZONE_SCOPED;
     if (LLAppViewer::instance()->quitRequested())
     {
         mRefreshListState.CategoryUUID.setNull();