From eeaafdf4ee012df99b5f4d0ea5b394ad81e1e23c Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Sat, 25 Jul 2009 01:00:47 +0000
Subject: Moved ArtificialEventSource to common/events.h.

svn-id: r42726
---
 common/events.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/common/events.h b/common/events.h
index 484ccec5f0..4f060a6da7 100644
--- a/common/events.h
+++ b/common/events.h
@@ -158,6 +158,36 @@ public:
 	virtual bool allowMapping() const { return true; }
 };
 
+/**
+ * An artificial event source. This is class is used as an event source, which is
+ * made up by client specific events.
+ *
+ * Example usage cases for this are the Keymapper or the DefaultEventManager.
+ */
+class ArtificialEventSource : public EventSource {
+protected:
+	Common::Queue<Common::Event> _artificialEventQueue;
+public:
+	void addEvent(const Common::Event &ev) {
+		_artificialEventQueue.push(ev);
+	}
+
+	bool pollEvent(Common::Event &ev) {
+	if (!_artificialEventQueue.empty()) {
+			ev = _artificialEventQueue.pop();
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * By default an artificial event source prevents its events
+	 * from being mapped.
+	 */
+	virtual bool allowMapping() const { return false; }
+};
+
 /**
  * Object which catches and processes Events.
  *
-- 
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