1 files changed, 107 insertions, 0 deletions
diff --git a/xpcom/ds/nsSupportsArray.h b/xpcom/ds/nsSupportsArray.h
new file mode 100644
index 000000000..eed611104
--- /dev/null
+++ b/xpcom/ds/nsSupportsArray.h
@@ -0,0 +1,107 @@
+/* -*- 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/. */
+
+#ifndef nsSupportsArray_h__
+#define nsSupportsArray_h__
+
+#include "nsIArray.h"
+#include "nsCOMArray.h"
+#include "mozilla/Attributes.h"
+
+
+// Disable deprecation warnings generated by nsISupportsArray and associated
+// classes.
+#if defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#elif defined(_MSC_VER)
+#pragma warning (push)
+#pragma warning (disable : 4996)
+#endif
+
+#include "nsISupportsArray.h"
+
+class nsSupportsArray final : public nsISupportsArray,
+                              public nsIArray
+{
+  ~nsSupportsArray(void); // nonvirtual since we're not subclassed
+
+public:
+  nsSupportsArray(void);
+
+  static MOZ_MUST_USE nsresult
+  Create(nsISupports* aOuter, REFNSIID aIID, void** aResult);
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  NS_DECL_NSISERIALIZABLE
+
+  // nsICollection methods:
+  NS_IMETHOD Count(uint32_t* aResult) override
+  {
+    *aResult = mArray.Length();
+    return NS_OK;
+  }
+  NS_IMETHOD GetElementAt(uint32_t aIndex, nsISupports** aResult) override;
+  MOZ_MUST_USE NS_IMETHOD
+  SetElementAt(uint32_t aIndex, nsISupports* aValue) override
+  {
+    return ReplaceElementAt(aValue, aIndex) ? NS_OK : NS_ERROR_FAILURE;
+  }
+  MOZ_MUST_USE NS_IMETHOD AppendElement(nsISupports* aElement) override
+  {
+    // XXX Invalid cast of bool to nsresult (bug 778110)
+    return (nsresult)InsertElementAt(aElement, mArray.Length())/* ? NS_OK : NS_ERROR_FAILURE*/;
+  }
+  // XXX this is badly named - should be RemoveFirstElement
+  MOZ_MUST_USE NS_IMETHOD RemoveElement(nsISupports* aElement) override;
+  NS_IMETHOD DeprecatedEnumerate(nsIEnumerator** aResult) override;
+  NS_IMETHOD Clear(void) override;
+
+  // nsISupportsArray methods:
+  NS_IMETHOD_(int32_t) IndexOf(const nsISupports* aPossibleElement) override;
+
+  NS_IMETHOD GetIndexOf(nsISupports* aPossibleElement, int32_t* aResult) override
+  {
+    *aResult = IndexOf(aPossibleElement);
+    return NS_OK;
+  }
+
+  MOZ_MUST_USE NS_IMETHOD_(bool)
+  InsertElementAt(nsISupports* aElement, uint32_t aIndex) override;
+
+  MOZ_MUST_USE NS_IMETHOD_(bool)
+  ReplaceElementAt(nsISupports* aElement, uint32_t aIndex) override;
+
+  MOZ_MUST_USE NS_IMETHOD_(bool)
+  RemoveElementAt(uint32_t aIndex) override;
+
+  MOZ_MUST_USE NS_IMETHOD DeleteElementAt(uint32_t aIndex) override
+  {
+    return (RemoveElementAt(aIndex) ? NS_OK : NS_ERROR_FAILURE);
+  }
+
+  MOZ_MUST_USE NS_IMETHOD Clone(nsISupportsArray** aResult) override;
+
+  /**
+   * nsIArray adapters.
+   */
+  NS_DECL_NSIARRAY
+
+private:
+  // Copy constructors are not allowed
+  explicit nsSupportsArray(const nsISupportsArray& aOther);
+
+  nsCOMArray<nsISupports> mArray;
+};
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic pop
+#elif defined(_MSC_VER)
+#pragma warning (pop)
+#endif
+
+#endif // nsSupportsArray_h__