gecko/dom/camera/DOMCameraManager.cpp

91 lines
2.6 KiB
C++

/* 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/. */
#include "CameraControl.h"
#include "DOMCameraManager.h"
#include "nsDOMClassInfo.h"
#include "DictionaryHelpers.h"
#undef DOM_CAMERA_LOG_LEVEL
#define DOM_CAMERA_LOG_LEVEL DOM_CAMERA_LOG_NOTHING
#include "CameraCommon.h"
using namespace mozilla;
DOMCI_DATA(CameraManager, nsIDOMCameraManager)
NS_INTERFACE_MAP_BEGIN(nsDOMCameraManager)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsIDOMCameraManager)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CameraManager)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsDOMCameraManager)
NS_IMPL_RELEASE(nsDOMCameraManager)
/**
* nsDOMCameraManager::GetListOfCameras
* is implementation-specific, and can be found in (e.g.)
* GonkCameraManager.cpp and FallbackCameraManager.cpp.
*/
nsDOMCameraManager::nsDOMCameraManager(uint64_t aWindowId)
: mWindowId(aWindowId)
{
/* member initializers and constructor code */
DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
}
nsDOMCameraManager::~nsDOMCameraManager()
{
/* destructor code */
DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
}
void
nsDOMCameraManager::OnNavigation(uint64_t aWindowId)
{
// TODO: implement -- see getUserMedia() implementation
}
// static creator
already_AddRefed<nsDOMCameraManager>
nsDOMCameraManager::Create(uint64_t aWindowId)
{
// TODO: check for permissions here to access cameras
nsRefPtr<nsDOMCameraManager> cameraManager = new nsDOMCameraManager(aWindowId);
return cameraManager.forget();
}
/* [implicit_jscontext] void getCamera ([optional] in jsval aOptions, in nsICameraGetCameraCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
NS_IMETHODIMP
nsDOMCameraManager::GetCamera(const JS::Value& aOptions, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, JSContext* cx)
{
NS_ENSURE_TRUE(onSuccess, NS_ERROR_INVALID_ARG);
uint32_t cameraId = 0; // back (or forward-facing) camera by default
CameraSelector selector;
nsresult rv = selector.Init(cx, &aOptions);
NS_ENSURE_SUCCESS(rv, rv);
if (selector.camera.EqualsASCII("front")) {
cameraId = 1;
}
// reuse the same camera thread to conserve resources
if (!mCameraThread) {
rv = NS_NewThread(getter_AddRefs(mCameraThread));
NS_ENSURE_SUCCESS(rv, rv);
}
DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
nsCOMPtr<nsIRunnable> getCameraTask = new GetCameraTask(cameraId, onSuccess, onError, mCameraThread);
mCameraThread->Dispatch(getCameraTask, NS_DISPATCH_NORMAL);
return NS_OK;
}