1 files changed, 69 insertions, 0 deletions
diff --git a/dom/media/webrtc/MediaEngineSource.cpp b/dom/media/webrtc/MediaEngineSource.cpp
new file mode 100644
index 0000000000..d0e5e23ae7
--- /dev/null
+++ b/dom/media/webrtc/MediaEngineSource.cpp
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* 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 "MediaEngineSource.h"
+
+#include "mozilla/dom/MediaTrackSettingsBinding.h"
+
+namespace mozilla {
+
+using dom::MediaSourceEnum;
+using dom::MediaTrackSettings;
+
+// These need a definition somewhere because template
+// code is allowed to take their address, and they aren't
+// guaranteed to have one without this.
+const unsigned int MediaEngineSource::kMaxDeviceNameLength;
+const unsigned int MediaEngineSource::kMaxUniqueIdLength;
+
+/* static */
+bool MediaEngineSource::IsVideo(MediaSourceEnum aSource) {
+  switch (aSource) {
+    case MediaSourceEnum::Camera:
+    case MediaSourceEnum::Screen:
+    case MediaSourceEnum::Window:
+    case MediaSourceEnum::Browser:
+      return true;
+    case MediaSourceEnum::Microphone:
+    case MediaSourceEnum::AudioCapture:
+    case MediaSourceEnum::Other:
+      return false;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Unknown type");
+      return false;
+  }
+}
+
+/* static */
+bool MediaEngineSource::IsAudio(MediaSourceEnum aSource) {
+  switch (aSource) {
+    case MediaSourceEnum::Microphone:
+    case MediaSourceEnum::AudioCapture:
+      return true;
+    case MediaSourceEnum::Camera:
+    case MediaSourceEnum::Screen:
+    case MediaSourceEnum::Window:
+    case MediaSourceEnum::Browser:
+    case MediaSourceEnum::Other:
+      return false;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Unknown type");
+      return false;
+  }
+}
+
+bool MediaEngineSource::IsFake() const { return false; }
+
+nsresult MediaEngineSource::FocusOnSelectedSource() {
+  return NS_ERROR_NOT_AVAILABLE;
+}
+
+nsresult MediaEngineSource::TakePhoto(MediaEnginePhotoCallback* aCallback) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+MediaEngineSource::~MediaEngineSource() = default;
+
+}  // namespace mozilla