SL-1005 Changed media event is not firing when the URL is amended by a '#' since Alex-Ivy

1 files changed, 33 insertions, 2 deletions

diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp
index f4e1524371..d8745b1eca 100644
--- a/indra/newview/llviewermedia.cpp
+++ b/indra/newview/llviewermedia.cpp
@@ -3320,8 +3320,39 @@ void LLViewerMediaImpl::handleMediaEvent(LLPluginClassMedia* plugin, LLPluginCla
 			}
 			else
 			{
-				// Don't track redirects.
-				setNavState(MEDIANAVSTATE_NONE);
+				bool internal_nav = false;
+				if (url != mCurrentMediaURL)
+				{
+					// Check if it is internal navigation
+					// Note: Not sure if we should detect internal navigations as 'address change',
+					// but they are not redirects and do not cause NAVIGATE_BEGIN (also see SL-1005)
+					size_t pos = url.find("#");
+					if (pos != std::string::npos)
+					{
+						// assume that new link always have '#', so this is either
+						// transfer from 'link#1' to 'link#2' or from link to 'link#2'
+						// filter out cases like 'redirect?link'
+						std::string base_url = url.substr(0, pos);
+						pos = mCurrentMediaURL.find(base_url);
+						if (pos == 0)
+						{
+							// base link hasn't changed
+							internal_nav = true;
+						}
+					}
+				}
+
+				if (internal_nav)
+				{
+					// Internal navigation by '#'
+					mCurrentMediaURL = url;
+					setNavState(MEDIANAVSTATE_FIRST_LOCATION_CHANGED);
+				}
+				else
+				{
+					// Don't track redirects.
+					setNavState(MEDIANAVSTATE_NONE);
+				}
 			}
 		}
 		break;