third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationClient.h

   1 // Copyright 2015 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 #ifndef WebScreenOrientationClient_h
   6 #define WebScreenOrientationClient_h
   7
   8 #include "public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"
   9
  10 namespace blink {
  11
  12 class WebLockOrientationCallback;
  13
  14 // Client handling screen orientation locking for a given WebFrame.
  15 class WebScreenOrientationClient {
  16 public:
  17     virtual ~WebScreenOrientationClient() { }
  18
  19     // Request a screen orientation lock. The implementation will own the callback.
  20     virtual void lockOrientation(WebScreenOrientationLockType, WebLockOrientationCallback*) = 0;
  21
  22     // Unlock the screen orientation. No-op if the screen orientation was not locked.
  23     virtual void unlockOrientation() = 0;
  24 };
  25
  26 } // namespace blink
  27
  28 #endif // WebScreenOrientationClient_h