dom/system/nsOSPermissionRequestBase.cpp

   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 }