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91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=40: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_CAMERA_DOMCAMERAMANAGER_H
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#define DOM_CAMERA_DOMCAMERAMANAGER_H
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#include "nsCOMPtr.h"
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#include "nsAutoPtr.h"
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#include "nsIThread.h"
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#include "nsIObserver.h"
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#include "nsThreadUtils.h"
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#include "nsHashKeys.h"
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#include "nsWeakReference.h"
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#include "nsClassHashtable.h"
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#include "nsIDOMCameraManager.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/Attributes.h"
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class nsPIDOMWindow;
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namespace mozilla {
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class nsDOMCameraControl;
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}
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typedef nsTArray<nsRefPtr<mozilla::nsDOMCameraControl> > CameraControls;
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typedef nsClassHashtable<nsUint64HashKey, CameraControls> WindowTable;
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class nsDOMCameraManager MOZ_FINAL
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: public nsIDOMCameraManager
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, public nsIObserver
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, public nsSupportsWeakReference
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsDOMCameraManager, nsIObserver)
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NS_DECL_NSIDOMCAMERAMANAGER
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NS_DECL_NSIOBSERVER
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static already_AddRefed<nsDOMCameraManager>
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CheckPermissionAndCreateInstance(nsPIDOMWindow* aWindow);
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static bool IsWindowStillActive(uint64_t aWindowId);
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void Register(mozilla::nsDOMCameraControl* aDOMCameraControl);
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void OnNavigation(uint64_t aWindowId);
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protected:
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void XpComShutdown();
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void Shutdown(uint64_t aWindowId);
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~nsDOMCameraManager();
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private:
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nsDOMCameraManager();
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nsDOMCameraManager(uint64_t aWindowId);
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nsDOMCameraManager(const nsDOMCameraManager&) MOZ_DELETE;
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nsDOMCameraManager& operator=(const nsDOMCameraManager&) MOZ_DELETE;
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protected:
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uint64_t mWindowId;
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nsCOMPtr<nsIThread> mCameraThread;
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/**
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* 'mActiveWindows' is only ever accessed while in the main thread,
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* so it is not otherwise protected.
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*/
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static WindowTable sActiveWindows;
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static bool sActiveWindowsInitialized;
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};
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class GetCameraTask : public nsRunnable
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{
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public:
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GetCameraTask(uint32_t aCameraId, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, nsIThread* aCameraThread)
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: mCameraId(aCameraId)
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, mOnSuccessCb(onSuccess)
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, mOnErrorCb(onError)
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, mCameraThread(aCameraThread)
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{ }
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NS_IMETHOD Run();
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protected:
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uint32_t mCameraId;
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nsCOMPtr<nsICameraGetCameraCallback> mOnSuccessCb;
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nsCOMPtr<nsICameraErrorCallback> mOnErrorCb;
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nsCOMPtr<nsIThread> mCameraThread;
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};
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#endif // DOM_CAMERA_DOMCAMERAMANAGER_H
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