1 files changed, 129 insertions, 0 deletions
diff --git a/layout/style/nsICSSDeclaration.h b/layout/style/nsICSSDeclaration.h
new file mode 100644
index 0000000000..fd86fe8135
--- /dev/null
+++ b/layout/style/nsICSSDeclaration.h
@@ -0,0 +1,129 @@
+/* -*- 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/. */
+
+/*
+ * interface for accessing style declarations using enums instead of strings,
+ * for internal use
+ */
+
+#ifndef nsICSSDeclaration_h__
+#define nsICSSDeclaration_h__
+
+/**
+ * This interface provides access to methods analogous to those of
+ * CSSStyleDeclaration; the difference is that these use nsCSSPropertyID
+ * enums for the prop names instead of using strings.
+ */
+
+#include "mozilla/Attributes.h"
+#include "nsCSSPropertyID.h"
+#include "mozilla/dom/CSSValue.h"
+#include "mozilla/ErrorResult.h"
+#include "nsWrapperCache.h"
+#include "nsStringFwd.h"
+#include "nsCOMPtr.h"
+
+class nsINode;
+class nsIPrincipal;
+namespace mozilla {
+class ErrorResult;
+
+namespace css {
+class Rule;
+}  // namespace css
+namespace dom {
+class DocGroup;
+}  // namespace dom
+}  // namespace mozilla
+
+// dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f
+#define NS_ICSSDECLARATION_IID                       \
+  {                                                  \
+    0xdbeabbfa, 0x6cb3, 0x4f5c, {                    \
+      0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f \
+    }                                                \
+  }
+
+class nsICSSDeclaration : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSDECLARATION_IID)
+
+  virtual nsINode* GetParentObject() = 0;
+  mozilla::dom::DocGroup* GetDocGroup();
+
+  NS_IMETHOD GetPropertyValue(const nsACString& aPropName,
+                              nsACString& aValue) = 0;
+  virtual void RemoveProperty(const nsACString& aPropertyName,
+                              nsACString& aReturn,
+                              mozilla::ErrorResult& aRv) = 0;
+  virtual void SetProperty(const nsACString& aPropertyName,
+                           const nsACString& aValue,
+                           const nsACString& aPriority,
+                           nsIPrincipal* aSubjectPrincipal,
+                           mozilla::ErrorResult& aRv) = 0;
+  // For C++ callers.
+  void SetProperty(const nsACString& aPropertyName, const nsACString& aValue,
+                   const nsACString& aPriority, mozilla::ErrorResult& aRv) {
+    SetProperty(aPropertyName, aValue, aPriority, nullptr, aRv);
+  }
+
+  void Item(uint32_t aIndex, nsACString& aReturn) {
+    bool found;
+    IndexedGetter(aIndex, found, aReturn);
+    if (!found) {
+      aReturn.Truncate();
+    }
+  }
+
+  virtual void GetCSSImageURLs(const nsACString& aPropertyName,
+                               nsTArray<nsCString>& aImageURLs,
+                               mozilla::ErrorResult& aRv) {
+    aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
+  }
+
+  // WebIDL interface for CSSStyleDeclaration
+  virtual void SetCssText(const nsACString& aString,
+                          nsIPrincipal* aSubjectPrincipal,
+                          mozilla::ErrorResult& rv) = 0;
+  virtual void GetCssText(nsACString& aString) = 0;
+  virtual uint32_t Length() = 0;
+
+  // The actual implementation of the Item method and the WebIDL indexed getter
+  virtual void IndexedGetter(uint32_t aIndex, bool& aFound,
+                             nsACString& aPropName) = 0;
+
+  void GetPropertyValue(const nsACString& aPropName, nsACString& aValue,
+                        mozilla::ErrorResult& rv) {
+    rv = GetPropertyValue(aPropName, aValue);
+  }
+  virtual void GetPropertyPriority(const nsACString& aPropName,
+                                   nsACString& aPriority) = 0;
+  virtual mozilla::css::Rule* GetParentRule() = 0;
+
+ protected:
+  bool IsReadOnly();
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSDeclaration, NS_ICSSDECLARATION_IID)
+
+#define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER                               \
+  void GetCssText(nsACString& aCssText) override;                              \
+  void SetCssText(const nsACString& aCssText, nsIPrincipal* aSubjectPrincipal, \
+                  mozilla::ErrorResult& aRv) override;                         \
+  NS_IMETHOD GetPropertyValue(const nsACString& propertyName,                  \
+                              nsACString& _retval) override;                   \
+  void RemoveProperty(const nsACString& propertyName, nsACString& _retval,     \
+                      mozilla::ErrorResult& aRv) override;                     \
+  void GetPropertyPriority(const nsACString& propertyName,                     \
+                           nsACString& aPriority) override;                    \
+  void SetProperty(const nsACString& propertyName, const nsACString& value,    \
+                   const nsACString& priority,                                 \
+                   nsIPrincipal* aSubjectPrincipal, mozilla::ErrorResult& aRv) \
+      override;                                                                \
+  uint32_t Length() override;                                                  \
+  mozilla::css::Rule* GetParentRule() override;
+
+#endif  // nsICSSDeclaration_h__