tor-browser

The Tor Browser
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nsOSPermissionRequestBase.cpp (2642B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "nsOSPermissionRequestBase.h"
      8 
      9 #include "mozilla/dom/Promise.h"
     10 
     11 using namespace mozilla;
     12 
     13 using mozilla::dom::Promise;
     14 
     15 NS_IMPL_ISUPPORTS(nsOSPermissionRequestBase, nsIOSPermissionRequest,
     16                  nsISupportsWeakReference)
     17 
     18 NS_IMETHODIMP
     19 nsOSPermissionRequestBase::GetMediaCapturePermissionState(
     20    uint16_t* aCamera, uint16_t* aMicrophone) {
     21  nsresult rv = GetVideoCapturePermissionState(aCamera);
     22  if (NS_FAILED(rv)) {
     23    return rv;
     24  }
     25  return GetAudioCapturePermissionState(aMicrophone);
     26 }
     27 
     28 NS_IMETHODIMP
     29 nsOSPermissionRequestBase::GetAudioCapturePermissionState(uint16_t* aAudio) {
     30  MOZ_ASSERT(aAudio);
     31  *aAudio = PERMISSION_STATE_AUTHORIZED;
     32  return NS_OK;
     33 }
     34 
     35 NS_IMETHODIMP
     36 nsOSPermissionRequestBase::GetVideoCapturePermissionState(uint16_t* aVideo) {
     37  MOZ_ASSERT(aVideo);
     38  *aVideo = PERMISSION_STATE_AUTHORIZED;
     39  return NS_OK;
     40 }
     41 
     42 NS_IMETHODIMP
     43 nsOSPermissionRequestBase::GetScreenCapturePermissionState(uint16_t* aScreen) {
     44  MOZ_ASSERT(aScreen);
     45  *aScreen = PERMISSION_STATE_AUTHORIZED;
     46  return NS_OK;
     47 }
     48 
     49 nsresult nsOSPermissionRequestBase::GetPromise(JSContext* aCx,
     50                                               RefPtr<Promise>& aPromiseOut) {
     51  nsIGlobalObject* globalObject = xpc::CurrentNativeGlobal(aCx);
     52  if (NS_WARN_IF(!globalObject)) {
     53    return NS_ERROR_UNEXPECTED;
     54  }
     55 
     56  ErrorResult result;
     57  aPromiseOut = Promise::Create(globalObject, result);
     58  if (NS_WARN_IF(result.Failed())) {
     59    return result.StealNSResult();
     60  }
     61 
     62  return NS_OK;
     63 }
     64 
     65 NS_IMETHODIMP
     66 nsOSPermissionRequestBase::RequestVideoCapturePermission(
     67    JSContext* aCx, Promise** aPromiseOut) {
     68  RefPtr<Promise> promiseHandle;
     69  nsresult rv = GetPromise(aCx, promiseHandle);
     70  if (NS_FAILED(rv)) {
     71    return rv;
     72  }
     73 
     74  promiseHandle->MaybeResolve(true /* access authorized */);
     75  promiseHandle.forget(aPromiseOut);
     76  return NS_OK;
     77 }
     78 
     79 NS_IMETHODIMP
     80 nsOSPermissionRequestBase::RequestAudioCapturePermission(
     81    JSContext* aCx, Promise** aPromiseOut) {
     82  RefPtr<Promise> promiseHandle;
     83  nsresult rv = GetPromise(aCx, promiseHandle);
     84  if (NS_FAILED(rv)) {
     85    return rv;
     86  }
     87 
     88  promiseHandle->MaybeResolve(true /* access authorized */);
     89  promiseHandle.forget(aPromiseOut);
     90  return NS_OK;
     91 }
     92 
     93 NS_IMETHODIMP
     94 nsOSPermissionRequestBase::MaybeRequestScreenCapturePermission() {
     95  return NS_OK;
     96 }