EXT-7889 PARTIAL Linux fails to load splash screen and side panel home tab.

Start to restore manual glib handling.

Backed out changeset ff86a9f5b917

indra/llwindow/llwindowsdl.cpp

@@ -1617,7 +1617,7 @@ void LLWindowSDL::processMiscNativeEvents()
 	    pump_timer.setTimerExpirySec(1.0f / 15.0f);
 	    do {
 		     // Always do at least one non-blocking pump
-		    gtk_main_iteration_do(0);
+		    gtk_main_iteration_do(FALSE);
 	    } while (gtk_events_pending() &&
 		     !pump_timer.hasExpired());
 

indra/media_plugins/webkit/CMakeLists.txt

@@ -9,6 +9,7 @@ include(LLPlugin)
 include(LLMath)
 include(LLRender)
 include(LLWindow)
+include(UI)
 include(Linking)
 include(PluginAPI)
 include(MediaPluginBase)
@@ -38,7 +39,7 @@ add_library(media_plugin_webkit
     ${media_plugin_webkit_SOURCE_FILES}
 )
 
-target_link_libraries(media_plugin_webkit
+set(media_plugin_webkit_LINK_LIBRARIES
   ${LLPLUGIN_LIBRARIES}
   ${MEDIA_PLUGIN_BASE_LIBRARIES}
   ${LLCOMMON_LIBRARIES}
@@ -46,6 +47,14 @@ target_link_libraries(media_plugin_webkit
   ${PLUGIN_API_WINDOWS_LIBRARIES}
 )
 
+if (LINUX)
+  list(APPEND media_plugin_webkit_LINK_LIBRARIES
+       ${UI_LIBRARIES}     # for glib/GTK
+       )
+endif (LINUX)
+
+target_link_libraries(media_plugin_webkit ${media_plugin_webkit_LINK_LIBRARIES})
+
 add_dependencies(media_plugin_webkit
   ${LLPLUGIN_LIBRARIES}
   ${MEDIA_PLUGIN_BASE_LIBRARIES}

indra/media_plugins/webkit/media_plugin_webkit.cpp

@@ -43,15 +43,21 @@
 #include "llpluginmessageclasses.h"
 #include "media_plugin_base.h"
 
+#if LL_LINUX
+extern "C" {
+# include <glib.h>
+}
+#endif // LL_LINUX
+
 #if LL_WINDOWS
-#include <direct.h>
+# include <direct.h>
 #else
-#include <unistd.h>
-#include <stdlib.h>
+# include <unistd.h>
+# include <stdlib.h>
 #endif
 
 #if LL_WINDOWS
-	// *NOTE:Mani - This captures the module handle fo rthe dll. This is used below
+	// *NOTE:Mani - This captures the module handle for the dll. This is used below
 	// to get the path to this dll for webkit initialization.
 	// I don't know how/if this can be done with apr...
 	namespace {	HMODULE gModuleHandle;};
@@ -112,6 +118,16 @@ private:
 	//
 	void update(int milliseconds)
 	{
+#if LL_LINUX
+		// pump glib generously, as Linux browser plugins are on the
+		// glib main loop, even if the browser itself isn't - ugh
+		//*TODO: shouldn't this be transparent if Qt was compiled with
+		// glib mainloop integration?  investigate.
+		GMainContext *mainc = g_main_context_default();
+		while(g_main_context_iteration(mainc, FALSE));
+#endif // LL_LINUX
+
+		// pump qt
 		LLQtWebKit::getInstance()->pump( milliseconds );
 		
 		checkEditState();