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| 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 #include "modules/screen_orientation/ScreenOrientationDispatcher.h" |  | 
| 6 |  | 
| 7 #include "public/platform/Platform.h" |  | 
| 8 |  | 
| 9 namespace blink { |  | 
| 10 |  | 
| 11 ScreenOrientationDispatcher& ScreenOrientationDispatcher::instance() { |  | 
| 12   DEFINE_STATIC_LOCAL(ScreenOrientationDispatcher, screenOrientationDispatcher, |  | 
| 13                       (new ScreenOrientationDispatcher)); |  | 
| 14   return screenOrientationDispatcher; |  | 
| 15 } |  | 
| 16 |  | 
| 17 ScreenOrientationDispatcher::ScreenOrientationDispatcher() {} |  | 
| 18 |  | 
| 19 DEFINE_TRACE(ScreenOrientationDispatcher) { |  | 
| 20   PlatformEventDispatcher::trace(visitor); |  | 
| 21 } |  | 
| 22 |  | 
| 23 void ScreenOrientationDispatcher::startListening() { |  | 
| 24   Platform::current()->startListening(WebPlatformEventTypeScreenOrientation, 0); |  | 
| 25 } |  | 
| 26 |  | 
| 27 void ScreenOrientationDispatcher::stopListening() { |  | 
| 28   Platform::current()->stopListening(WebPlatformEventTypeScreenOrientation); |  | 
| 29 } |  | 
| 30 |  | 
| 31 }  // namespace blink |  | 
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