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-rw-r--r--layout/style/nsROCSSPrimitiveValue.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/layout/style/nsROCSSPrimitiveValue.h b/layout/style/nsROCSSPrimitiveValue.h
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+++ b/layout/style/nsROCSSPrimitiveValue.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* DOM object representing values in DOM computed style */
+
+#ifndef nsROCSSPrimitiveValue_h___
+#define nsROCSSPrimitiveValue_h___
+
+#include "CSSValue.h"
+#include "nsCoord.h"
+#include "nsString.h"
+
+class nsIURI;
+
+/**
+ * Read-only CSS primitive value - a DOM object representing values in DOM
+ * computed style.
+ */
+class nsROCSSPrimitiveValue final : public mozilla::dom::CSSValue {
+ public:
+ enum : uint16_t {
+ CSS_UNKNOWN,
+ CSS_NUMBER,
+ CSS_PERCENTAGE,
+ CSS_EMS,
+ CSS_EXS,
+ CSS_PX,
+ CSS_CM,
+ CSS_MM,
+ CSS_IN,
+ CSS_PT,
+ CSS_PC,
+ CSS_DEG,
+ CSS_MS,
+ CSS_S,
+ CSS_HZ,
+ CSS_KHZ,
+ CSS_DIMENSION,
+ CSS_STRING,
+ CSS_URI,
+ CSS_RGBCOLOR,
+ CSS_NUMBER_INT32,
+ CSS_NUMBER_UINT32,
+ };
+
+ // CSSValue
+ void GetCssText(nsString& aText, mozilla::ErrorResult& aRv) final;
+ uint16_t CssValueType() const final;
+
+ // CSSPrimitiveValue
+ uint16_t PrimitiveType();
+
+ // nsROCSSPrimitiveValue
+ nsROCSSPrimitiveValue();
+
+ void SetNumber(float aValue);
+ void SetNumber(int32_t aValue);
+ void SetNumber(uint32_t aValue);
+ void SetPercent(float aValue);
+ void SetDegree(float aValue);
+ void SetPixels(float aValue);
+ void SetAppUnits(nscoord aValue);
+ void SetAppUnits(float aValue);
+ void SetString(const nsACString& aString);
+ void SetString(const nsAString& aString);
+
+ template <size_t N>
+ void SetString(const char (&aString)[N]) {
+ SetString(nsLiteralCString(aString));
+ }
+
+ void SetURI(nsIURI* aURI);
+ void SetTime(float aValue);
+ void Reset();
+
+ virtual ~nsROCSSPrimitiveValue();
+
+ protected:
+ uint16_t mType;
+
+ union {
+ float mFloat;
+ int32_t mInt32;
+ uint32_t mUint32;
+ char16_t* mString;
+ nsIURI* MOZ_OWNING_REF mURI;
+ } mValue;
+};
+
+inline nsROCSSPrimitiveValue* mozilla::dom::CSSValue::AsPrimitiveValue() {
+ return CssValueType() == mozilla::dom::CSSValue::CSS_PRIMITIVE_VALUE
+ ? static_cast<nsROCSSPrimitiveValue*>(this)
+ : nullptr;
+}
+
+#endif /* nsROCSSPrimitiveValue_h___ */