diff -r 000000000000 -r 6474c204b198 dom/camera/DOMCameraManager.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/camera/DOMCameraManager.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,108 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=40: */
+/* 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 DOM_CAMERA_DOMCAMERAMANAGER_H
+#define DOM_CAMERA_DOMCAMERAMANAGER_H
+
+#include "mozilla/dom/BindingDeclarations.h"
+#include "nsCOMPtr.h"
+#include "nsAutoPtr.h"
+#include "nsIObserver.h"
+#include "nsHashKeys.h"
+#include "nsWrapperCache.h"
+#include "nsWeakReference.h"
+#include "nsClassHashtable.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
+
+class nsPIDOMWindow;
+
+namespace mozilla {
+  class ErrorResult;
+  class nsDOMCameraControl;
+  namespace dom {
+    class CameraConfiguration;
+    class GetCameraCallback;
+    class CameraErrorCallback;
+  }
+}
+
+typedef nsTArray<nsRefPtr<mozilla::nsDOMCameraControl> > CameraControls;
+typedef nsClassHashtable<nsUint64HashKey, CameraControls> WindowTable;
+typedef mozilla::dom::Optional<mozilla::dom::OwningNonNull<mozilla::dom::CameraErrorCallback>>
+          OptionalNonNullCameraErrorCallback;
+
+class nsDOMCameraManager MOZ_FINAL
+  : public nsIObserver
+  , public nsSupportsWeakReference
+  , public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDOMCameraManager,
+                                                         nsIObserver)
+  NS_DECL_NSIOBSERVER
+
+  // Because this header's filename doesn't match its C++ or DOM-facing
+  // classname, we can't rely on the [Func="..."] WebIDL tag to implicitly
+  // include the right header for us; instead we must explicitly include a
+  // HasSupport() method in each header. We can get rid of these with the
+  // Great Renaming proposed in bug 983177.
+  static bool HasSupport(JSContext* aCx, JSObject* aGlobal);
+
+  static bool CheckPermission(nsPIDOMWindow* aWindow);
+  static already_AddRefed<nsDOMCameraManager>
+    CreateInstance(nsPIDOMWindow* aWindow);
+  static bool IsWindowStillActive(uint64_t aWindowId);
+
+  void Register(mozilla::nsDOMCameraControl* aDOMCameraControl);
+  void OnNavigation(uint64_t aWindowId);
+
+  void PermissionAllowed(uint32_t aCameraId,
+                         const mozilla::dom::CameraConfiguration& aOptions,
+                         mozilla::dom::GetCameraCallback* aOnSuccess,
+                         mozilla::dom::CameraErrorCallback* aOnError);
+
+  void PermissionCancelled(uint32_t aCameraId,
+                           const mozilla::dom::CameraConfiguration& aOptions,
+                           mozilla::dom::GetCameraCallback* aOnSuccess,
+                           mozilla::dom::CameraErrorCallback* aOnError);
+
+  // WebIDL
+  void GetCamera(const nsAString& aCamera,
+                 const mozilla::dom::CameraConfiguration& aOptions,
+                 mozilla::dom::GetCameraCallback& aOnSuccess,
+                 const OptionalNonNullCameraErrorCallback& aOnError,
+                 mozilla::ErrorResult& aRv);
+  void GetListOfCameras(nsTArray<nsString>& aList, mozilla::ErrorResult& aRv);
+
+  nsPIDOMWindow* GetParentObject() const { return mWindow; }
+  virtual JSObject* WrapObject(JSContext* aCx)
+    MOZ_OVERRIDE;
+
+protected:
+  void XpComShutdown();
+  void Shutdown(uint64_t aWindowId);
+  ~nsDOMCameraManager();
+
+private:
+  nsDOMCameraManager() MOZ_DELETE;
+  nsDOMCameraManager(nsPIDOMWindow* aWindow);
+  nsDOMCameraManager(const nsDOMCameraManager&) MOZ_DELETE;
+  nsDOMCameraManager& operator=(const nsDOMCameraManager&) MOZ_DELETE;
+
+protected:
+  uint64_t mWindowId;
+  uint32_t mPermission;
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+  /**
+   * 'sActiveWindows' is only ever accessed while in the Main Thread,
+   * so it is not otherwise protected.
+   */
+  static ::WindowTable* sActiveWindows;
+};
+
+#endif // DOM_CAMERA_DOMCAMERAMANAGER_H