extensions/common/api/webcam_private.idl

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Webcam Private API.
   6 namespace webcamPrivate {
   7   enum PanDirection { stop, right, left };
   8   enum TiltDirection { stop, up, down };
   9   enum Protocol { visca };
  10
  11   dictionary ProtocolConfiguration {
  12     Protocol? protocol;
  13   };
  14
  15   dictionary WebcamConfiguration {
  16     double? pan;
  17     PanDirection? panDirection;
  18     double? tilt;
  19     TiltDirection? tiltDirection;
  20     double? zoom;
  21   };
  22
  23   callback WebcamIdCallback = void(DOMString webcamId);
  24   callback WebcamConfigurationCallback =
  25       void(WebcamConfiguration configuration);
  26
  27   interface Functions {
  28     // Open a serial port that controls a webcam.
  29     static void openSerialWebcam(DOMString path, ProtocolConfiguration protocol,
  30                                  WebcamIdCallback callback);
  31
  32     // Close a serial port connection to a webcam.
  33     static void closeWebcam(DOMString webcamId);
  34
  35     static void get(DOMString webcamId, WebcamConfigurationCallback callback);
  36     static void set(DOMString webcamId, WebcamConfiguration config);
  37     static void reset(DOMString webcamId, WebcamConfiguration config);
  38   };
  39 };
  40