diff -r 000000000000 -r 6474c204b198 dom/base/nsPluginArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/base/nsPluginArray.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 sw=2 et tw=79: */
+/* 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 nsPluginArray_h___
+#define nsPluginArray_h___
+
+#include "nsTArray.h"
+#include "nsWeakReference.h"
+#include "nsIObserver.h"
+#include "nsWrapperCache.h"
+#include "nsPluginTags.h"
+#include "nsPIDOMWindow.h"
+
+class nsPluginElement;
+class nsMimeType;
+
+class nsPluginArray MOZ_FINAL : public nsIObserver,
+                                public nsSupportsWeakReference,
+                                public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsPluginArray,
+                                                         nsIObserver)
+
+  // nsIObserver
+  NS_DECL_NSIOBSERVER
+
+  nsPluginArray(nsPIDOMWindow* aWindow);
+  virtual ~nsPluginArray();
+
+  nsPIDOMWindow* GetParentObject() const;
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  // nsPluginArray registers itself as an observer with a weak reference.
+  // This can't be done in the constructor, because at that point its
+  // refcount is 0 (and it gets destroyed upon registration). So, Init()
+  // must be called after construction.
+  void Init();
+  void Invalidate();
+
+  void GetMimeTypes(nsTArray<nsRefPtr<nsMimeType> >& aMimeTypes,
+                    nsTArray<nsRefPtr<nsMimeType> >& aHiddenMimeTypes);
+
+  // PluginArray WebIDL methods
+
+  nsPluginElement* Item(uint32_t aIndex);
+  nsPluginElement* NamedItem(const nsAString& aName);
+  void Refresh(bool aReloadDocuments);
+  nsPluginElement* IndexedGetter(uint32_t aIndex, bool &aFound);
+  nsPluginElement* NamedGetter(const nsAString& aName, bool &aFound);
+  bool NameIsEnumerable(const nsAString& aName);
+  uint32_t Length();
+  void GetSupportedNames(unsigned, nsTArray<nsString>& aRetval);
+
+private:
+  bool AllowPlugins() const;
+  void EnsurePlugins();
+
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+
+  // Many sites check whether a particular plugin is installed by enumerating
+  // all navigator.plugins, checking each plugin's name. These sites should
+  // just check navigator.plugins["Popular Plugin Name"] instead. mPlugins
+  // contains those popular plugins that must be exposed in navigator.plugins
+  // enumeration to avoid breaking web content.
+  nsTArray<nsRefPtr<nsPluginElement> > mPlugins;
+
+  // mHiddenPlugins contains plugins that can be queried by
+  // navigator.plugins["Hidden Plugin Name"] but do not need to be exposed in
+  // navigator.plugins enumeration.
+  nsTArray<nsRefPtr<nsPluginElement> > mHiddenPlugins;
+};
+
+class nsPluginElement MOZ_FINAL : public nsISupports,
+                                  public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsPluginElement)
+
+  nsPluginElement(nsPIDOMWindow* aWindow, nsPluginTag* aPluginTag);
+
+  nsPIDOMWindow* GetParentObject() const;
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  nsPluginTag* PluginTag() const
+  {
+    return mPluginTag;
+  }
+
+  // Plugin WebIDL methods
+
+  void GetDescription(nsString& retval) const;
+  void GetFilename(nsString& retval) const;
+  void GetVersion(nsString& retval) const;
+  void GetName(nsString& retval) const;
+  nsMimeType* Item(uint32_t index);
+  nsMimeType* NamedItem(const nsAString& name);
+  nsMimeType* IndexedGetter(uint32_t index, bool &found);
+  nsMimeType* NamedGetter(const nsAString& name, bool &found);
+  bool NameIsEnumerable(const nsAString& aName);
+  uint32_t Length();
+  void GetSupportedNames(unsigned, nsTArray<nsString>& retval);
+
+  nsTArray<nsRefPtr<nsMimeType> >& MimeTypes();
+
+protected:
+  void EnsurePluginMimeTypes();
+
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+  nsRefPtr<nsPluginTag> mPluginTag;
+  nsTArray<nsRefPtr<nsMimeType> > mMimeTypes;
+};
+
+#endif /* nsPluginArray_h___ */