Additional commit for EXT-6956 (Create perpetual loading indicator widget).

- Made the indicator rotate clockwise (by flipping the images and reversing the order they're traversed).
- The textures are now preloaded.

Approved by Erica.

--HG--
branch : product-engine

indra/llui/llloadingindicator.cpp

@@ -78,10 +78,8 @@ void LLLoadingIndicator::Data::initSingleton()
 
 LLPointer<LLUIImage> LLLoadingIndicator::Data::getNextImage(S8& idx) const
 {
-	// Actually selects previous image because
-	// current images seem to be in wrong order;
-	// performs array bounds checking.
-	idx = idx > 0 ? llmin(NIMAGES-1, idx-1) : NIMAGES-1;
+	// Calculate next index, performing array bounds checking.
+	idx = (idx >= NIMAGES || idx < 0) ? 0 : (idx + 1) % NIMAGES; 
 	return mImages[idx];
 }
 

indra/newview/skins/default/textures/textures.xml

@@ -580,17 +580,17 @@ with the same filename but different name
   <texture name="default_profile_picture.j2c" />
   <texture name="locked_image.j2c" />
 
-  <texture name="Progress_1" file_name="icons/Progress_1.png" preload="false" />
-  <texture name="Progress_2" file_name="icons/Progress_2.png" preload="false" />
-  <texture name="Progress_3" file_name="icons/Progress_3.png" preload="false" />
-  <texture name="Progress_4" file_name="icons/Progress_4.png" preload="false" />
-  <texture name="Progress_5" file_name="icons/Progress_5.png" preload="false" />
-  <texture name="Progress_6" file_name="icons/Progress_6.png" preload="false" />
-  <texture name="Progress_7" file_name="icons/Progress_7.png" preload="false" />
-  <texture name="Progress_8" file_name="icons/Progress_8.png" preload="false" />
-  <texture name="Progress_9" file_name="icons/Progress_9.png" preload="false" />
-  <texture name="Progress_10" file_name="icons/Progress_10.png" preload="false" />
-  <texture name="Progress_11" file_name="icons/Progress_11.png" preload="false" />
-  <texture name="Progress_12" file_name="icons/Progress_12.png" preload="false" />
+  <texture name="Progress_1" file_name="icons/Progress_1.png" preload="true" />
+  <texture name="Progress_2" file_name="icons/Progress_2.png" preload="true" />
+  <texture name="Progress_3" file_name="icons/Progress_3.png" preload="true" />
+  <texture name="Progress_4" file_name="icons/Progress_4.png" preload="true" />
+  <texture name="Progress_5" file_name="icons/Progress_5.png" preload="true" />
+  <texture name="Progress_6" file_name="icons/Progress_6.png" preload="true" />
+  <texture name="Progress_7" file_name="icons/Progress_7.png" preload="true" />
+  <texture name="Progress_8" file_name="icons/Progress_8.png" preload="true" />
+  <texture name="Progress_9" file_name="icons/Progress_9.png" preload="true" />
+  <texture name="Progress_10" file_name="icons/Progress_10.png" preload="true" />
+  <texture name="Progress_11" file_name="icons/Progress_11.png" preload="true" />
+  <texture name="Progress_12" file_name="icons/Progress_12.png" preload="true" />
 
 </textures>