content/browser/screen_orientation/screen_orientation_provider.h

   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 #ifndef CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_
   6 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_
   7
   8 #include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
   9
  10 namespace content {
  11
  12 // Interface that needs to be implemented by any backend that wants to handle
  13 // screen orientation lock/unlock.
  14 class ScreenOrientationProvider {
  15  public:
  16   // Lock the screen orientation to |orientations|.
  17   virtual void LockOrientation(
  18       blink::WebScreenOrientationLockType orientations) = 0;
  19
  20   // Unlock the screen orientation.
  21   virtual void UnlockOrientation() = 0;
  22
  23   virtual ~ScreenOrientationProvider() {}
  24 };
  25
  26 } // namespace content
  27
  28 #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_