Add support for disabling CSS Properties at runtime

bindings/v8/RuntimeCSSEnabled.h

+/*
+ * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef RuntimeCSSEnabled_h
+#define RuntimeCSSEnabled_h
+
+#include "CSSPropertyNames.h"
+#include "CSSValueKeywords.h"
+
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+// A class storing static arrays for enabling CSS properties and values at
+// runtime. By default, all properties and values are enabled.
+
+class RuntimeCSSEnabled {
+public:
+    static bool isCSSValueEnabled(CSSValueID);
+    static void setCSSValueEnabled(CSSValueID, bool);
+
+    static bool isCSSPropertyEnabled(CSSPropertyID);
+    static void setCSSPropertyEnabled(CSSPropertyID, bool);
+
+private:
+    RuntimeCSSEnabled();
+
+    static Vector<bool, numCSSProperties>* getCSSPropertiesSwitches();
+    static Vector<bool, numCSSValueKeywords>* getCSSValuesSwitches();
+
+    // Singleton arrays for enabling CSS Properties and Values.
+    // For each property/value, setting the accordingly field to true
+    // implies the property/value is enabled.
+    static Vector<bool, numCSSProperties>* CSSPropertiesSwitches;
+    static Vector<bool, numCSSValueKeywords>* CSSValuesSwitches;
+};
+
+} // namespace WebCore
+
+#endif // RuntimeCSSEnabled_h