зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.6 KiB
C++
90 строки
2.6 KiB
C++
/* 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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#include "CameraControl.h"
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#include "DOMCameraManager.h"
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#include "nsDOMClassInfo.h"
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#include "DictionaryHelpers.h"
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#define DOM_CAMERA_LOG_LEVEL DOM_CAMERA_LOG_NOTHING
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#include "CameraCommon.h"
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using namespace mozilla;
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DOMCI_DATA(CameraManager, nsIDOMCameraManager)
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NS_INTERFACE_MAP_BEGIN(nsDOMCameraManager)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIDOMCameraManager)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CameraManager)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsDOMCameraManager)
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NS_IMPL_RELEASE(nsDOMCameraManager)
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/**
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* nsDOMCameraManager::GetListOfCameras
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* is implementation-specific, and can be found in (e.g.)
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* GonkCameraManager.cpp and FallbackCameraManager.cpp.
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*/
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nsDOMCameraManager::nsDOMCameraManager(PRUint64 aWindowId)
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: mWindowId(aWindowId)
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{
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/* member initializers and constructor code */
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DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
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}
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nsDOMCameraManager::~nsDOMCameraManager()
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{
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/* destructor code */
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DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
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}
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void
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nsDOMCameraManager::OnNavigation(PRUint64 aWindowId)
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{
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// TODO: implement -- see getUserMedia() implementation
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}
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// static creator
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already_AddRefed<nsDOMCameraManager>
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nsDOMCameraManager::Create(PRUint64 aWindowId)
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{
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// TODO: check for permissions here to access cameras
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nsRefPtr<nsDOMCameraManager> cameraManager = new nsDOMCameraManager(aWindowId);
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return cameraManager.forget();
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}
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/* [implicit_jscontext] void getCamera ([optional] in jsval aOptions, in nsICameraGetCameraCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraManager::GetCamera(const JS::Value& aOptions, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, JSContext* cx)
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{
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NS_ENSURE_TRUE(onSuccess, NS_ERROR_INVALID_ARG);
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PRUint32 cameraId = 0; // back (or forward-facing) camera by default
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CameraSelector selector;
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nsresult rv = selector.Init(cx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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if (selector.camera.EqualsASCII("front")) {
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cameraId = 1;
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}
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// reuse the same camera thread to conserve resources
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if (!mCameraThread) {
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rv = NS_NewThread(getter_AddRefs(mCameraThread));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
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nsCOMPtr<nsIRunnable> getCameraTask = new GetCameraTask(cameraId, onSuccess, onError, mCameraThread);
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mCameraThread->Dispatch(getCameraTask, NS_DISPATCH_NORMAL);
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return NS_OK;
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}
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