1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/camera/DOMCameraManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=40: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef DOM_CAMERA_DOMCAMERAMANAGER_H
1.11 +#define DOM_CAMERA_DOMCAMERAMANAGER_H
1.12 +
1.13 +#include "mozilla/dom/BindingDeclarations.h"
1.14 +#include "nsCOMPtr.h"
1.15 +#include "nsAutoPtr.h"
1.16 +#include "nsIObserver.h"
1.17 +#include "nsHashKeys.h"
1.18 +#include "nsWrapperCache.h"
1.19 +#include "nsWeakReference.h"
1.20 +#include "nsClassHashtable.h"
1.21 +#include "nsCycleCollectionParticipant.h"
1.22 +#include "mozilla/Attributes.h"
1.23 +
1.24 +class nsPIDOMWindow;
1.25 +
1.26 +namespace mozilla {
1.27 + class ErrorResult;
1.28 + class nsDOMCameraControl;
1.29 + namespace dom {
1.30 + class CameraConfiguration;
1.31 + class GetCameraCallback;
1.32 + class CameraErrorCallback;
1.33 + }
1.34 +}
1.35 +
1.36 +typedef nsTArray<nsRefPtr<mozilla::nsDOMCameraControl> > CameraControls;
1.37 +typedef nsClassHashtable<nsUint64HashKey, CameraControls> WindowTable;
1.38 +typedef mozilla::dom::Optional<mozilla::dom::OwningNonNull<mozilla::dom::CameraErrorCallback>>
1.39 + OptionalNonNullCameraErrorCallback;
1.40 +
1.41 +class nsDOMCameraManager MOZ_FINAL
1.42 + : public nsIObserver
1.43 + , public nsSupportsWeakReference
1.44 + , public nsWrapperCache
1.45 +{
1.46 +public:
1.47 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.48 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDOMCameraManager,
1.49 + nsIObserver)
1.50 + NS_DECL_NSIOBSERVER
1.51 +
1.52 + // Because this header's filename doesn't match its C++ or DOM-facing
1.53 + // classname, we can't rely on the [Func="..."] WebIDL tag to implicitly
1.54 + // include the right header for us; instead we must explicitly include a
1.55 + // HasSupport() method in each header. We can get rid of these with the
1.56 + // Great Renaming proposed in bug 983177.
1.57 + static bool HasSupport(JSContext* aCx, JSObject* aGlobal);
1.58 +
1.59 + static bool CheckPermission(nsPIDOMWindow* aWindow);
1.60 + static already_AddRefed<nsDOMCameraManager>
1.61 + CreateInstance(nsPIDOMWindow* aWindow);
1.62 + static bool IsWindowStillActive(uint64_t aWindowId);
1.63 +
1.64 + void Register(mozilla::nsDOMCameraControl* aDOMCameraControl);
1.65 + void OnNavigation(uint64_t aWindowId);
1.66 +
1.67 + void PermissionAllowed(uint32_t aCameraId,
1.68 + const mozilla::dom::CameraConfiguration& aOptions,
1.69 + mozilla::dom::GetCameraCallback* aOnSuccess,
1.70 + mozilla::dom::CameraErrorCallback* aOnError);
1.71 +
1.72 + void PermissionCancelled(uint32_t aCameraId,
1.73 + const mozilla::dom::CameraConfiguration& aOptions,
1.74 + mozilla::dom::GetCameraCallback* aOnSuccess,
1.75 + mozilla::dom::CameraErrorCallback* aOnError);
1.76 +
1.77 + // WebIDL
1.78 + void GetCamera(const nsAString& aCamera,
1.79 + const mozilla::dom::CameraConfiguration& aOptions,
1.80 + mozilla::dom::GetCameraCallback& aOnSuccess,
1.81 + const OptionalNonNullCameraErrorCallback& aOnError,
1.82 + mozilla::ErrorResult& aRv);
1.83 + void GetListOfCameras(nsTArray<nsString>& aList, mozilla::ErrorResult& aRv);
1.84 +
1.85 + nsPIDOMWindow* GetParentObject() const { return mWindow; }
1.86 + virtual JSObject* WrapObject(JSContext* aCx)
1.87 + MOZ_OVERRIDE;
1.88 +
1.89 +protected:
1.90 + void XpComShutdown();
1.91 + void Shutdown(uint64_t aWindowId);
1.92 + ~nsDOMCameraManager();
1.93 +
1.94 +private:
1.95 + nsDOMCameraManager() MOZ_DELETE;
1.96 + nsDOMCameraManager(nsPIDOMWindow* aWindow);
1.97 + nsDOMCameraManager(const nsDOMCameraManager&) MOZ_DELETE;
1.98 + nsDOMCameraManager& operator=(const nsDOMCameraManager&) MOZ_DELETE;
1.99 +
1.100 +protected:
1.101 + uint64_t mWindowId;
1.102 + uint32_t mPermission;
1.103 + nsCOMPtr<nsPIDOMWindow> mWindow;
1.104 + /**
1.105 + * 'sActiveWindows' is only ever accessed while in the Main Thread,
1.106 + * so it is not otherwise protected.
1.107 + */
1.108 + static ::WindowTable* sActiveWindows;
1.109 +};
1.110 +
1.111 +#endif // DOM_CAMERA_DOMCAMERAMANAGER_H
