1 files changed, 71 insertions, 0 deletions
diff --git a/gui/animation/WaitForConditionAnimation.h b/gui/animation/WaitForConditionAnimation.h
new file mode 100644
index 0000000000..5a67a37493
--- /dev/null
+++ b/gui/animation/WaitForConditionAnimation.h
@@ -0,0 +1,71 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+// Based on code by omergilad.
+
+#ifndef GUI_ANIMATION_WAITFORCONDITIONANIMATION_H
+#define GUI_ANIMATION_WAITFORCONDITIONANIMATION_H
+
+#include "gui/animation/Animation.h"
+
+namespace GUI {
+
+class Condition {
+
+public:
+	virtual ~Condition() {}
+
+	virtual bool evaluate() = 0;
+};
+
+typedef Common::SharedPtr<Condition> ConditionPtr;
+
+/**
+ * Used for delaying the animation sequence until a certain condition has been met
+ */
+class WaitForConditionAnimation: public Animation {
+public:
+	WaitForConditionAnimation() {}
+	virtual ~WaitForConditionAnimation() {}
+
+	virtual void update(Drawable *drawable, long currentTime) {
+		// Check the condition - if it has been met, finish.
+		if (_condition.get() != NULL && _condition->evaluate()) {
+			finishAnimation();
+		}
+	}
+
+	ConditionPtr getCondition() const {
+		return _condition;
+	}
+
+	void setCondition(ConditionPtr condition) {
+		_condition = condition;
+	}
+
+private:
+	ConditionPtr _condition;
+};
+
+} // End of namespace GUI
+
+#endif /* GUI_ANIMATION_WAITFORCONDITIONANIMATION_H */