moving trunk for module inkscape

(bzr r1)

1 files changed, 56 insertions, 0 deletions

diff --git a/src/jabber_whiteboard/node-tracker-event-tracker.cpp b/src/jabber_whiteboard/node-tracker-event-tracker.cpp
new file mode 100644
index 000000000..da872c5e6
--- /dev/null
+++ b/src/jabber_whiteboard/node-tracker-event-tracker.cpp
@@ -0,0 +1,56 @@
+/**
+ * Tracks node add/remove events to an XMLNodeTracker, and eliminates cases such as
+ * consecutive add/remove.
+ *
+ * Authors:
+ * David Yip <yipdw@rose-hulman.edu>
+ *
+ * Copyright (c) 2005 Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "xml/node.h"
+
+#include "jabber_whiteboard/node-tracker-event-tracker.h"
+
+namespace Inkscape {
+
+namespace Whiteboard {
+
+bool
+NodeTrackerEventTracker::tryToTrack(XML::Node* node, NodeTrackerAction action)
+{
+	// 1.  Check if node is being tracked.
+	NodeActionMap::iterator i = this->_actions.find(node);
+	if (i != this->_actions.end()) {
+		// 2a.  Check the action.  If it is the same as the action we are registering,
+		// return false.  Otherwise, register the action with the actions map
+		// and return true.
+		if (i->second == action) {
+			return false;
+		} else {
+			this->_actions[node] = action;
+			return true;
+		}
+	} else {
+		// 2b.  If we aren't tracking this node, insert it with the given action.
+		this->_actions[node] = action;
+		return true;
+	}
+}
+
+}
+
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :