Add a method to ExtractDelegate for querying if the extraction has been cancelled.

YACReader/page_label_widget.h

@@ -0,0 +1,29 @@
+#ifndef PAGE_LABEL_WIDGET_H
+#define PAGE_LABEL_WIDGET_H
+
+#include <QWidget>
+
+class QLabel;
+class QPropertyAnimation;
+
+class PageLabelWidget : public QWidget
+{
+Q_OBJECT
+private:
+	QLabel * textLabel;
+	QPropertyAnimation * animation;
+
+protected:
+    virtual void paintEvent(QPaintEvent *);
+
+public:
+	PageLabelWidget(QWidget * parent);
+
+public slots:
+	void show();
+	void hide();
+	void setText(const QString & text);
+	void updatePosition();
+};
+
+#endif