chrome/common/extensions/api/screenlock_private.idl

   1 // Copyright 2013 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 // Control and monitor the screen locker.
   6 [permissions=screenlockPrivate, nodoc]
   7 namespace screenlockPrivate {
   8   // Supported authentication types shown on the user pod.
   9   // |offlinePassword|: The standard password field, which authenticates using
  10   //                   the user's regular password. The $(ref:onAuthAttempted)()
  11   //                   event will not be fired for this authentication type.
  12   // |numericPin|: An input field for a 4 digit numeric pin code.
  13   // |userClick|: Makes the user pod clickable when it is focused, and
  14   //                 clicking on it attempts the authentication. If |value| is
  15   //                 specified with $(ref:setAuthType)(), the text is displayed
  16   //                 in the password field.
  17   enum AuthType {offlinePassword, numericPin, userClick};
  18
  19   callback BooleanCallback = void(boolean locked);
  20
  21   interface Functions {
  22     // Returns true if the screen is currently locked, false otherwise.
  23     static void getLocked(BooleanCallback callback);
  24
  25     // Set <code>locked=true</code> to lock the screen,
  26     // <code>locked=false</code> to unlock it.
  27     static void setLocked(boolean locked);
  28
  29     // Accepts or rejects the current auth attempt.
  30     static void acceptAuthAttempt(boolean accept);
  31   };
  32
  33   interface Events {
  34     // Fires whenever the screen is locked or unlocked.
  35     static void onChanged(boolean locked);
  36
  37     // Fires when the user attempts to authenticate with the user's input.
  38     // There will be at most one auth attempt active at any time.
  39     // Call $(ref:acceptAuthAttempt)() to accept or reject this attempt.
  40     // Note: Some authentication types will not have an input.
  41     static void onAuthAttempted(AuthType type, DOMString input);
  42   };
  43 };