mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/* -*- 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 "nsIThread.h"
|
|
#include "nsIObserver.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsHashKeys.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsClassHashtable.h"
|
|
#include "nsIDOMCameraManager.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsPIDOMWindow.h"
|
|
|
|
namespace mozilla {
|
|
class ErrorResult;
|
|
class nsDOMCameraControl;
|
|
namespace dom {
|
|
class CameraSelector;
|
|
}
|
|
}
|
|
|
|
typedef nsTArray<nsRefPtr<mozilla::nsDOMCameraControl> > CameraControls;
|
|
typedef nsClassHashtable<nsUint64HashKey, CameraControls> WindowTable;
|
|
|
|
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
|
|
|
|
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);
|
|
|
|
nsresult GetNumberOfCameras(int32_t& aDeviceCount);
|
|
nsresult GetCameraName(uint32_t aDeviceNum, nsCString& aDeviceName);
|
|
|
|
// WebIDL
|
|
void GetCamera(const mozilla::dom::CameraSelector& aOptions,
|
|
nsICameraGetCameraCallback* aCallback,
|
|
const mozilla::dom::Optional<nsICameraErrorCallback*>& ErrorCallback,
|
|
mozilla::ErrorResult& aRv);
|
|
void GetListOfCameras(nsTArray<nsString>& aList, mozilla::ErrorResult& aRv);
|
|
|
|
nsPIDOMWindow* GetParentObject() const { return mWindow; }
|
|
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
|
|
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;
|
|
nsCOMPtr<nsIThread> mCameraThread;
|
|
nsCOMPtr<nsPIDOMWindow> mWindow;
|
|
/**
|
|
* 'mActiveWindows' is only ever accessed while in the main thread,
|
|
* so it is not otherwise protected.
|
|
*/
|
|
static WindowTable* sActiveWindows;
|
|
};
|
|
|
|
class GetCameraTask : public nsRunnable
|
|
{
|
|
public:
|
|
GetCameraTask(uint32_t aCameraId, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, nsIThread* aCameraThread)
|
|
: mCameraId(aCameraId)
|
|
, mOnSuccessCb(onSuccess)
|
|
, mOnErrorCb(onError)
|
|
, mCameraThread(aCameraThread)
|
|
{ }
|
|
|
|
NS_IMETHOD Run() MOZ_OVERRIDE;
|
|
|
|
protected:
|
|
uint32_t mCameraId;
|
|
nsCOMPtr<nsICameraGetCameraCallback> mOnSuccessCb;
|
|
nsCOMPtr<nsICameraErrorCallback> mOnErrorCb;
|
|
nsCOMPtr<nsIThread> mCameraThread;
|
|
};
|
|
|
|
#endif // DOM_CAMERA_DOMCAMERAMANAGER_H
|