mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
445 lines
14 KiB
C++
445 lines
14 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 "base/basictypes.h"
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#include "nsCOMPtr.h"
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#include "nsDOMClassInfo.h"
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#include "jsapi.h"
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#include "nsThread.h"
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#include "mozilla/Services.h"
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#include "nsIObserverService.h"
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#include "nsIDOMDeviceStorage.h"
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#include "DOMCameraManager.h"
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#include "DOMCameraCapabilities.h"
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#include "DOMCameraControl.h"
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#include "CameraCommon.h"
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using namespace mozilla;
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using namespace dom;
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DOMCI_DATA(CameraControl, nsICameraControl)
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NS_IMPL_CYCLE_COLLECTION_1(nsDOMCameraControl,
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mDOMCapabilities)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCameraControl)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsICameraControl)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(CameraControl)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCameraControl)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCameraControl)
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nsDOMCameraControl::~nsDOMCameraControl()
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{
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DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
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}
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/* readonly attribute nsICameraCapabilities capabilities; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetCapabilities(nsICameraCapabilities** aCapabilities)
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{
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if (!mDOMCapabilities) {
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mDOMCapabilities = new DOMCameraCapabilities(mCameraControl);
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}
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nsCOMPtr<nsICameraCapabilities> capabilities = mDOMCapabilities;
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capabilities.forget(aCapabilities);
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return NS_OK;
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}
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/* attribute DOMString effect; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetEffect(nsAString& aEffect)
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{
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return mCameraControl->Get(CAMERA_PARAM_EFFECT, aEffect);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetEffect(const nsAString& aEffect)
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{
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return mCameraControl->Set(CAMERA_PARAM_EFFECT, aEffect);
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}
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/* attribute DOMString whiteBalanceMode; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetWhiteBalanceMode(nsAString& aWhiteBalanceMode)
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{
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return mCameraControl->Get(CAMERA_PARAM_WHITEBALANCE, aWhiteBalanceMode);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetWhiteBalanceMode(const nsAString& aWhiteBalanceMode)
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{
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return mCameraControl->Set(CAMERA_PARAM_WHITEBALANCE, aWhiteBalanceMode);
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}
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/* attribute DOMString sceneMode; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetSceneMode(nsAString& aSceneMode)
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{
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return mCameraControl->Get(CAMERA_PARAM_SCENEMODE, aSceneMode);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetSceneMode(const nsAString& aSceneMode)
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{
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return mCameraControl->Set(CAMERA_PARAM_SCENEMODE, aSceneMode);
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}
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/* attribute DOMString flashMode; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFlashMode(nsAString& aFlashMode)
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{
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return mCameraControl->Get(CAMERA_PARAM_FLASHMODE, aFlashMode);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetFlashMode(const nsAString& aFlashMode)
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{
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return mCameraControl->Set(CAMERA_PARAM_FLASHMODE, aFlashMode);
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}
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/* attribute DOMString focusMode; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocusMode(nsAString& aFocusMode)
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{
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return mCameraControl->Get(CAMERA_PARAM_FOCUSMODE, aFocusMode);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetFocusMode(const nsAString& aFocusMode)
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{
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return mCameraControl->Set(CAMERA_PARAM_FOCUSMODE, aFocusMode);
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}
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/* attribute double zoom; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetZoom(double* aZoom)
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{
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return mCameraControl->Get(CAMERA_PARAM_ZOOM, aZoom);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetZoom(double aZoom)
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{
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return mCameraControl->Set(CAMERA_PARAM_ZOOM, aZoom);
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}
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/* attribute jsval meteringAreas; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetMeteringAreas(JSContext* cx, JS::Value* aMeteringAreas)
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{
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return mCameraControl->Get(cx, CAMERA_PARAM_METERINGAREAS, aMeteringAreas);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetMeteringAreas(JSContext* cx, const JS::Value& aMeteringAreas)
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{
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return mCameraControl->SetMeteringAreas(cx, aMeteringAreas);
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}
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/* attribute jsval focusAreas; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocusAreas(JSContext* cx, JS::Value* aFocusAreas)
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{
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return mCameraControl->Get(cx, CAMERA_PARAM_FOCUSAREAS, aFocusAreas);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetFocusAreas(JSContext* cx, const JS::Value& aFocusAreas)
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{
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return mCameraControl->SetFocusAreas(cx, aFocusAreas);
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}
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/* readonly attribute double focalLength; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocalLength(double* aFocalLength)
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{
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return mCameraControl->Get(CAMERA_PARAM_FOCALLENGTH, aFocalLength);
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}
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/* readonly attribute double focusDistanceNear; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocusDistanceNear(double* aFocusDistanceNear)
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{
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return mCameraControl->Get(CAMERA_PARAM_FOCUSDISTANCENEAR, aFocusDistanceNear);
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}
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/* readonly attribute double focusDistanceOptimum; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocusDistanceOptimum(double* aFocusDistanceOptimum)
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{
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return mCameraControl->Get(CAMERA_PARAM_FOCUSDISTANCEOPTIMUM, aFocusDistanceOptimum);
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}
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/* readonly attribute double focusDistanceFar; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetFocusDistanceFar(double* aFocusDistanceFar)
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{
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return mCameraControl->Get(CAMERA_PARAM_FOCUSDISTANCEFAR, aFocusDistanceFar);
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}
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/* void setExposureCompensation (const JS::Value& aCompensation, JSContext* cx); */
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NS_IMETHODIMP
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nsDOMCameraControl::SetExposureCompensation(const JS::Value& aCompensation, JSContext* cx)
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{
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if (aCompensation.isNullOrUndefined()) {
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// use NaN to switch the camera back into auto mode
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return mCameraControl->Set(CAMERA_PARAM_EXPOSURECOMPENSATION, NAN);
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}
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double compensation;
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if (!JS_ValueToNumber(cx, aCompensation, &compensation)) {
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return NS_ERROR_INVALID_ARG;
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}
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return mCameraControl->Set(CAMERA_PARAM_EXPOSURECOMPENSATION, compensation);
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}
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/* readonly attribute double exposureCompensation; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetExposureCompensation(double* aExposureCompensation)
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{
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return mCameraControl->Get(CAMERA_PARAM_EXPOSURECOMPENSATION, aExposureCompensation);
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}
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/* attribute nsICameraShutterCallback onShutter; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetOnShutter(nsICameraShutterCallback** aOnShutter)
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{
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return mCameraControl->Get(aOnShutter);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetOnShutter(nsICameraShutterCallback* aOnShutter)
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{
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return mCameraControl->Set(aOnShutter);
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}
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/* attribute nsICameraClosedCallback onClosed; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetOnClosed(nsICameraClosedCallback** aOnClosed)
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{
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return mCameraControl->Get(aOnClosed);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetOnClosed(nsICameraClosedCallback* aOnClosed)
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{
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return mCameraControl->Set(aOnClosed);
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}
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/* attribute nsICameraRecorderStateChange onRecorderStateChange; */
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NS_IMETHODIMP
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nsDOMCameraControl::GetOnRecorderStateChange(nsICameraRecorderStateChange** aOnRecorderStateChange)
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{
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return mCameraControl->Get(aOnRecorderStateChange);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::SetOnRecorderStateChange(nsICameraRecorderStateChange* aOnRecorderStateChange)
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{
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return mCameraControl->Set(aOnRecorderStateChange);
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}
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/* [implicit_jscontext] void startRecording (in jsval aOptions, in nsIDOMDeviceStorage storageArea, in DOMString filename, in nsICameraStartRecordingCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraControl::StartRecording(const JS::Value& aOptions, nsIDOMDeviceStorage* storageArea, const nsAString& filename, nsICameraStartRecordingCallback* 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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NS_ENSURE_TRUE(storageArea, NS_ERROR_INVALID_ARG);
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CameraStartRecordingOptions options;
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// Default values, until the dictionary parser can handle them.
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options.rotation = 0;
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options.maxFileSizeBytes = 0;
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options.maxVideoLengthMs = 0;
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nsresult rv = options.Init(cx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (!obs) {
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NS_WARNING("Could not get the Observer service for CameraControl::StartRecording.");
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return NS_ERROR_FAILURE;
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}
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obs->NotifyObservers(nullptr,
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"recording-device-events",
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NS_LITERAL_STRING("starting").get());
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#ifdef MOZ_B2G
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if (!mAudioChannelAgent) {
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mAudioChannelAgent = do_CreateInstance("@mozilla.org/audiochannelagent;1");
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if (mAudioChannelAgent) {
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// Camera app will stop recording when it falls to the background, so no callback is necessary.
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mAudioChannelAgent->Init(AUDIO_CHANNEL_CONTENT, nullptr);
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// Video recording doesn't output any sound, so it's not necessary to check canPlay.
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bool canPlay;
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mAudioChannelAgent->StartPlaying(&canPlay);
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}
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}
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#endif
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nsCOMPtr<nsIFile> folder;
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storageArea->GetRootDirectory(getter_AddRefs(folder));
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return mCameraControl->StartRecording(&options, folder, filename, onSuccess, onError);
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}
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/* void stopRecording (); */
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NS_IMETHODIMP
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nsDOMCameraControl::StopRecording()
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{
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (!obs) {
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NS_WARNING("Could not get the Observer service for CameraControl::StopRecording.");
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return NS_ERROR_FAILURE;
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}
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obs->NotifyObservers(nullptr,
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"recording-device-events",
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NS_LITERAL_STRING("shutdown").get());
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#ifdef MOZ_B2G
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if (mAudioChannelAgent) {
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mAudioChannelAgent->StopPlaying();
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mAudioChannelAgent = nullptr;
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}
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#endif
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return mCameraControl->StopRecording();
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}
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/* [implicit_jscontext] void getPreviewStream (in jsval aOptions, in nsICameraPreviewStreamCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraControl::GetPreviewStream(const JS::Value& aOptions, nsICameraPreviewStreamCallback* 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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CameraSize size;
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nsresult rv = size.Init(cx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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return mCameraControl->GetPreviewStream(size, onSuccess, onError);
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}
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/* void resumePreview(); */
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NS_IMETHODIMP
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nsDOMCameraControl::ResumePreview()
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{
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return mCameraControl->StartPreview(nullptr);
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}
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/* void autoFocus (in nsICameraAutoFocusCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraControl::AutoFocus(nsICameraAutoFocusCallback* onSuccess, nsICameraErrorCallback* onError)
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{
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NS_ENSURE_TRUE(onSuccess, NS_ERROR_INVALID_ARG);
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return mCameraControl->AutoFocus(onSuccess, onError);
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}
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/* void takePicture (in jsval aOptions, in nsICameraTakePictureCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraControl::TakePicture(const JS::Value& aOptions, nsICameraTakePictureCallback* 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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CameraPictureOptions options;
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CameraSize size;
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CameraPosition pos;
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nsresult rv = options.Init(cx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = size.Init(cx, &options.pictureSize);
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NS_ENSURE_SUCCESS(rv, rv);
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/**
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* Default values, until the dictionary parser can handle them.
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* NaN indicates no value provided.
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*/
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pos.latitude = NAN;
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pos.longitude = NAN;
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pos.altitude = NAN;
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pos.timestamp = NAN;
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rv = pos.Init(cx, &options.position);
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NS_ENSURE_SUCCESS(rv, rv);
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return mCameraControl->TakePicture(size, options.rotation, options.fileFormat, pos, options.dateTime, onSuccess, onError);
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}
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/* [implicit_jscontext] void GetPreviewStreamVideoMode (in jsval aOptions, in nsICameraPreviewStreamCallback onSuccess, [optional] in nsICameraErrorCallback onError); */
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NS_IMETHODIMP
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nsDOMCameraControl::GetPreviewStreamVideoMode(const JS::Value& aOptions, nsICameraPreviewStreamCallback* 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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CameraRecorderOptions options;
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nsresult rv = options.Init(cx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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return mCameraControl->GetPreviewStreamVideoMode(&options, onSuccess, onError);
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}
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NS_IMETHODIMP
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nsDOMCameraControl::ReleaseHardware(nsICameraReleaseCallback* onSuccess, nsICameraErrorCallback* onError)
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{
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return mCameraControl->ReleaseHardware(onSuccess, onError);
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}
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class GetCameraResult : public nsRunnable
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{
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public:
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GetCameraResult(nsDOMCameraControl* aDOMCameraControl, nsresult aResult, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId)
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: mDOMCameraControl(aDOMCameraControl)
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, mResult(aResult)
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, mOnSuccessCb(onSuccess)
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, mOnErrorCb(onError)
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, mWindowId(aWindowId)
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{ }
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NS_IMETHOD Run()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (nsDOMCameraManager::IsWindowStillActive(mWindowId)) {
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DOM_CAMERA_LOGT("%s : this=%p -- BEFORE CALLBACK\n", __func__, this);
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if (NS_FAILED(mResult)) {
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if (mOnErrorCb) {
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mOnErrorCb->HandleEvent(NS_LITERAL_STRING("FAILURE"));
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}
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} else {
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if (mOnSuccessCb) {
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mOnSuccessCb->HandleEvent(mDOMCameraControl);
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}
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}
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DOM_CAMERA_LOGT("%s : this=%p -- AFTER CALLBACK\n", __func__, this);
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}
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/**
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* Finally, release the extra reference to the DOM-facing camera control.
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* See the nsDOMCameraControl constructor for the corresponding call to
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* NS_ADDREF_THIS().
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*/
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NS_RELEASE(mDOMCameraControl);
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return NS_OK;
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}
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protected:
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/**
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* 'mDOMCameraControl' is a raw pointer to a previously ADDREF()ed object,
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* which is released in Run().
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*/
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nsDOMCameraControl* mDOMCameraControl;
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nsresult mResult;
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nsCOMPtr<nsICameraGetCameraCallback> mOnSuccessCb;
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nsCOMPtr<nsICameraErrorCallback> mOnErrorCb;
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uint64_t mWindowId;
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};
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nsresult
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nsDOMCameraControl::Result(nsresult aResult, nsICameraGetCameraCallback* onSuccess, nsICameraErrorCallback* onError, uint64_t aWindowId)
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{
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nsCOMPtr<GetCameraResult> getCameraResult = new GetCameraResult(this, aResult, onSuccess, onError, aWindowId);
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return NS_DispatchToMainThread(getCameraResult);
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}
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void
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nsDOMCameraControl::Shutdown()
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{
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DOM_CAMERA_LOGI("%s:%d\n", __func__, __LINE__);
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mCameraControl->Shutdown();
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}
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