Replace remaining CSS interfaces with concrete classes

This Cl moves IFDE_CSSValue and IFDE_CSSRule to concrete classes and moves the
holding of the type into the base class.

Change-Id: Iea29cc55256dd2183b60ca8711367d5dc8daaa24
Reviewed-on: https://pdfium-review.googlesource.com/2178
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/xfa/fde/css/cfde_cssrule.h b/xfa/fde/css/cfde_cssrule.h
new file mode 100644
index 0000000000..946132179b
--- /dev/null
+++ b/xfa/fde/css/cfde_cssrule.h
@@ -0,0 +1,25 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FDE_CSS_CFDE_CSSRULE_H_
+#define XFA_FDE_CSS_CFDE_CSSRULE_H_
+
+#include "xfa/fde/css/fde_css.h"
+
+class CFDE_CSSRule {
+ public:
+  virtual ~CFDE_CSSRule();
+
+  FDE_CSSRuleType GetType() const { return m_type; }
+
+ protected:
+  explicit CFDE_CSSRule(FDE_CSSRuleType type);
+
+ private:
+  FDE_CSSRuleType m_type;
+};
+
+#endif  // XFA_FDE_CSS_CFDE_CSSRULE_H_