summaryrefslogtreecommitdiff
path: root/indra/newview/llappviewer.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/newview/llappviewer.cpp')
-rw-r--r--indra/newview/llappviewer.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index ea6859f0c6..6a808b5daf 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -322,6 +322,41 @@ static std::string gLaunchFileOnQuit;
// Used on Win32 for other apps to identify our window (eg, win_setup)
const char* const VIEWER_WINDOW_CLASSNAME = "Second Life";
+//-- LLDeferredTaskList ------------------------------------------------------
+
+/**
+ * A list of deferred tasks.
+ *
+ * We sometimes need to defer execution of some code until the viewer gets idle,
+ * e.g. removing an inventory item from within notifyObservers() may not work out.
+ *
+ * Tasks added to this list will be executed in the next LLAppViewer::idle() iteration.
+ * All tasks are executed only once.
+ */
+class LLDeferredTaskList: public LLSingleton<LLDeferredTaskList>
+{
+ LOG_CLASS(LLDeferredTaskList);
+
+ friend class LLAppViewer;
+ typedef boost::signals2::signal<void()> signal_t;
+
+ void addTask(const signal_t::slot_type& cb)
+ {
+ mSignal.connect(cb);
+ }
+
+ void run()
+ {
+ if (!mSignal.empty())
+ {
+ mSignal();
+ mSignal.disconnect_all_slots();
+ }
+ }
+
+ signal_t mSignal;
+};
+
//----------------------------------------------------------------------------
// List of entries from strings.xml to always replace
@@ -3829,6 +3864,11 @@ bool LLAppViewer::initCache()
}
}
+void LLAppViewer::addOnIdleCallback(const boost::function<void()>& cb)
+{
+ LLDeferredTaskList::instance().addTask(cb);
+}
+
void LLAppViewer::purgeCache()
{
LL_INFOS("AppCache") << "Purging Cache and Texture Cache..." << LL_ENDL;
@@ -4422,6 +4462,9 @@ void LLAppViewer::idle()
gAudiop->idle(max_audio_decode_time);
}
}
+
+ // Execute deferred tasks.
+ LLDeferredTaskList::instance().run();
// Handle shutdown process, for example,
// wait for floaters to close, send quit message,