Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/layout/style/nsROCSSPrimitiveValue.cpp b/layout/style/nsROCSSPrimitiveValue.cpp
new file mode 100644
index 0000000000..c8e46d8aab
--- /dev/null
+++ b/layout/style/nsROCSSPrimitiveValue.cpp
@@ -0,0 +1,217 @@
+/* -*- 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 */
+
+#include "nsROCSSPrimitiveValue.h"
+
+#include "mozilla/ErrorResult.h"
+#include "nsPresContext.h"
+#include "nsStyleUtil.h"
+#include "nsIURI.h"
+#include "nsError.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+nsROCSSPrimitiveValue::nsROCSSPrimitiveValue() : CSSValue(), mType(CSS_PX) {
+  mValue.mFloat = 0.0f;
+}
+
+nsROCSSPrimitiveValue::~nsROCSSPrimitiveValue() { Reset(); }
+
+void nsROCSSPrimitiveValue::GetCssText(nsString& aCssText, ErrorResult& aRv) {
+  nsAutoString tmpStr;
+  aCssText.Truncate();
+
+  switch (mType) {
+    case CSS_PX: {
+      nsStyleUtil::AppendCSSNumber(mValue.mFloat, tmpStr);
+      tmpStr.AppendLiteral("px");
+      break;
+    }
+    case CSS_STRING: {
+      tmpStr.Append(mValue.mString);
+      break;
+    }
+    case CSS_URI: {
+      if (mValue.mURI) {
+        nsAutoCString specUTF8;
+        nsresult rv = mValue.mURI->GetSpec(specUTF8);
+        if (NS_FAILED(rv)) {
+          aRv.ThrowInvalidStateError("Can't get URL string for url()");
+          return;
+        }
+
+        tmpStr.AssignLiteral("url(");
+        nsStyleUtil::AppendEscapedCSSString(NS_ConvertUTF8toUTF16(specUTF8),
+                                            tmpStr);
+        tmpStr.Append(')');
+      } else {
+        // http://dev.w3.org/csswg/css3-values/#attr defines
+        // 'about:invalid' as the default value for url attributes,
+        // so let's also use it here as the default computed value
+        // for invalid URLs.
+        tmpStr.AssignLiteral(u"url(about:invalid)");
+      }
+      break;
+    }
+    case CSS_PERCENTAGE: {
+      nsStyleUtil::AppendCSSNumber(mValue.mFloat * 100, tmpStr);
+      tmpStr.Append(char16_t('%'));
+      break;
+    }
+    case CSS_NUMBER: {
+      nsStyleUtil::AppendCSSNumber(mValue.mFloat, tmpStr);
+      break;
+    }
+    case CSS_NUMBER_INT32: {
+      tmpStr.AppendInt(mValue.mInt32);
+      break;
+    }
+    case CSS_NUMBER_UINT32: {
+      tmpStr.AppendInt(mValue.mUint32);
+      break;
+    }
+    case CSS_DEG: {
+      nsStyleUtil::AppendCSSNumber(mValue.mFloat, tmpStr);
+      tmpStr.AppendLiteral("deg");
+      break;
+    }
+    case CSS_S: {
+      nsStyleUtil::AppendCSSNumber(mValue.mFloat, tmpStr);
+      tmpStr.Append('s');
+      break;
+    }
+    case CSS_CM:
+    case CSS_MM:
+    case CSS_IN:
+    case CSS_PT:
+    case CSS_PC:
+    case CSS_UNKNOWN:
+    case CSS_EMS:
+    case CSS_EXS:
+    case CSS_MS:
+    case CSS_HZ:
+    case CSS_KHZ:
+    case CSS_DIMENSION:
+      NS_ERROR("We have a bogus value set.  This should not happen");
+      aRv.ThrowInvalidAccessError("Unexpected value in computed style");
+      return;
+  }
+
+  aCssText.Assign(tmpStr);
+}
+
+uint16_t nsROCSSPrimitiveValue::CssValueType() const {
+  return CSSValue::CSS_PRIMITIVE_VALUE;
+}
+
+void nsROCSSPrimitiveValue::SetNumber(float aValue) {
+  Reset();
+  mValue.mFloat = aValue;
+  mType = CSS_NUMBER;
+}
+
+void nsROCSSPrimitiveValue::SetNumber(int32_t aValue) {
+  Reset();
+  mValue.mInt32 = aValue;
+  mType = CSS_NUMBER_INT32;
+}
+
+void nsROCSSPrimitiveValue::SetNumber(uint32_t aValue) {
+  Reset();
+  mValue.mUint32 = aValue;
+  mType = CSS_NUMBER_UINT32;
+}
+
+void nsROCSSPrimitiveValue::SetPercent(float aValue) {
+  Reset();
+  mValue.mFloat = aValue;
+  mType = CSS_PERCENTAGE;
+}
+
+void nsROCSSPrimitiveValue::SetDegree(float aValue) {
+  Reset();
+  mValue.mFloat = aValue;
+  mType = CSS_DEG;
+}
+
+void nsROCSSPrimitiveValue::SetAppUnits(nscoord aValue) {
+  SetPixels(nsPresContext::AppUnitsToFloatCSSPixels(aValue));
+}
+
+void nsROCSSPrimitiveValue::SetPixels(float aValue) {
+  Reset();
+  mValue.mFloat = aValue;
+  mType = CSS_PX;
+}
+
+void nsROCSSPrimitiveValue::SetAppUnits(float aValue) {
+  SetAppUnits(NSToCoordRound(aValue));
+}
+
+void nsROCSSPrimitiveValue::SetString(const nsACString& aString) {
+  Reset();
+  mValue.mString = ToNewUnicode(aString, mozilla::fallible);
+  if (mValue.mString) {
+    mType = CSS_STRING;
+  } else {
+    // XXXcaa We should probably let the caller know we are out of memory
+    mType = CSS_UNKNOWN;
+  }
+}
+
+void nsROCSSPrimitiveValue::SetString(const nsAString& aString) {
+  Reset();
+  mValue.mString = ToNewUnicode(aString, mozilla::fallible);
+  if (mValue.mString) {
+    mType = CSS_STRING;
+  } else {
+    // XXXcaa We should probably let the caller know we are out of memory
+    mType = CSS_UNKNOWN;
+  }
+}
+
+void nsROCSSPrimitiveValue::SetURI(nsIURI* aURI) {
+  Reset();
+  mValue.mURI = aURI;
+  NS_IF_ADDREF(mValue.mURI);
+  mType = CSS_URI;
+}
+
+void nsROCSSPrimitiveValue::SetTime(float aValue) {
+  Reset();
+  mValue.mFloat = aValue;
+  mType = CSS_S;
+}
+
+void nsROCSSPrimitiveValue::Reset() {
+  switch (mType) {
+    case CSS_STRING:
+      NS_ASSERTION(mValue.mString, "Null string should never happen");
+      free(mValue.mString);
+      mValue.mString = nullptr;
+      break;
+    case CSS_URI:
+      NS_IF_RELEASE(mValue.mURI);
+      break;
+  }
+
+  mType = CSS_UNKNOWN;
+}
+
+uint16_t nsROCSSPrimitiveValue::PrimitiveType() {
+  // New value types were introduced but not added to CSS OM.
+  // Return CSS_UNKNOWN to avoid exposing CSS_TURN to content.
+  if (mType > CSS_RGBCOLOR) {
+    if (mType == CSS_NUMBER_INT32 || mType == CSS_NUMBER_UINT32) {
+      return CSS_NUMBER;
+    }
+    return CSS_UNKNOWN;
+  }
+  return mType;
+}