Move trace view files

[pulseview.git] / pv / views / trace / viewitemowner.hpp

diff --git a/pv/views/trace/viewitemowner.hpp b/pv/views/trace/viewitemowner.hpp
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+++ b/pv/views/trace/viewitemowner.hpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP
+#define PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP
+
+#include <memory>
+#include <vector>
+
+#include "viewitemiterator.hpp"
+
+using std::dynamic_pointer_cast;
+using std::shared_ptr;
+using std::vector;
+
+namespace pv {
+
+class Session;
+
+namespace views {
+namespace trace {
+
+class ViewItem;
+class View;
+
+class ViewItemOwner
+{
+public:
+       typedef vector< shared_ptr<ViewItem> > item_list;
+       typedef ViewItemIterator<ViewItemOwner, ViewItem> iterator;
+       typedef ViewItemIterator<const ViewItemOwner, ViewItem> const_iterator;
+
+public:
+       /**
+        * Returns a list of row items owned by this object.
+        */
+       virtual const item_list& child_items() const = 0;
+
+       /**
+        * Returns a depth-first iterator at the beginning of the child ViewItem
+        * tree.
+        */
+       iterator begin();
+
+       /**
+        * Returns a depth-first iterator at the end of the child ViewItem tree.
+        */
+       iterator end();
+
+       /**
+        * Returns a constant depth-first iterator at the beginning of the
+        * child ViewItem tree.
+        */
+       const_iterator begin() const;
+
+       /**
+        * Returns a constant depth-first iterator at the end of the child
+        * ViewItem tree.
+        */
+       const_iterator end() const;
+
+       /**
+        * Creates a list of descendant signals filtered by type.
+        */
+       template<class T>
+       vector< shared_ptr<T> > list_by_type() {
+               vector< shared_ptr<T> > items;
+               for (const auto &r : *this) {
+                       shared_ptr<T> p = dynamic_pointer_cast<T>(r);
+                       if (p)
+                               items.push_back(p);
+               }
+
+               return items;
+       }
+
+protected:
+       item_list items_;
+};
+
+} // namespace trace
+} // namespace views
+} // namespace pv
+
+#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_VIEWITEMOWNER_HPP