1 files changed, 87 insertions, 0 deletions
diff --git a/src/object/sp-style-elem.h b/src/object/sp-style-elem.h
new file mode 100644
index 0000000..11ba99c
--- /dev/null
+++ b/src/object/sp-style-elem.h
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+#ifndef INKSCAPE_SP_STYLE_ELEM_H
+#define INKSCAPE_SP_STYLE_ELEM_H
+
+#include <memory>
+#include <vector>
+#include "3rdparty/libcroco/src/cr-statement.h"
+
+#include "media.h"
+#include "sp-object.h"
+
+#include "xml/node-observer.h"
+
+class SPStyleElem;
+
+class SPStyleElemNodeObserver : public Inkscape::XML::NodeObserver
+{
+    friend class SPStyleElem;
+    ~SPStyleElemNodeObserver() override = default; // can only exist as a direct base of SPStyleElem
+
+    void notifyChildAdded(Inkscape::XML::Node &, Inkscape::XML::Node &, Inkscape::XML::Node *) final;
+    void notifyChildRemoved(Inkscape::XML::Node &, Inkscape::XML::Node &, Inkscape::XML::Node *) final;
+    void notifyChildOrderChanged(Inkscape::XML::Node &, Inkscape::XML::Node &, Inkscape::XML::Node *, Inkscape::XML::Node *) final;
+};
+
+class SPStyleElemTextNodeObserver : public Inkscape::XML::NodeObserver
+{
+    friend class SPStyleElem;
+    ~SPStyleElemTextNodeObserver() override = default; // can only exist as a direct base of SPStyleElem
+
+    void notifyContentChanged(Inkscape::XML::Node &, Inkscape::Util::ptr_shared, Inkscape::Util::ptr_shared) final;
+};
+
+class SPStyleElem final
+    : public SPObject
+    , private SPStyleElemNodeObserver
+    , private SPStyleElemTextNodeObserver
+{
+public:
+    SPStyleElem();
+    ~SPStyleElem() override;
+    int tag() const override { return tag_of<decltype(*this)>; }
+
+    // Container for the libcroco style sheet instance created on load.
+    CRStyleSheet *style_sheet{nullptr};
+
+    Media media;
+    bool is_css{false};
+
+    std::vector<std::unique_ptr<SPStyle>> get_styles() const;
+
+    void build(SPDocument *doc, Inkscape::XML::Node *repr) override;
+    void set(SPAttr key, char const *value) override;
+    void read_content() override;
+    void release() override;
+
+    Inkscape::XML::Node *write(Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, unsigned int flags) override;
+
+private:
+    SPStyleElemNodeObserver &nodeObserver() { return *this; }
+    SPStyleElemTextNodeObserver &textNodeObserver() { return *this; }
+
+    // for static_casts
+    friend SPStyleElemNodeObserver;
+    friend SPStyleElemTextNodeObserver;
+};
+
+#endif /* !INKSCAPE_SP_STYLE_ELEM_H */
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :