third_party/WebKit/Source/modules/screen_orientation/ScreenOrientationDispatcher.cpp

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "modules/screen_orientation/ScreenOrientationDispatcher.h"

#include "public/platform/Platform.h"

namespace blink {

ScreenOrientationDispatcher& ScreenOrientationDispatcher::instance() {
  DEFINE_STATIC_LOCAL(ScreenOrientationDispatcher, screenOrientationDispatcher,
                      (new ScreenOrientationDispatcher));
  return screenOrientationDispatcher;
}

ScreenOrientationDispatcher::ScreenOrientationDispatcher() {}

DEFINE_TRACE(ScreenOrientationDispatcher) {
  PlatformEventDispatcher::trace(visitor);
}

void ScreenOrientationDispatcher::startListening() {
  Platform::current()->startListening(WebPlatformEventTypeScreenOrientation, 0);
}

void ScreenOrientationDispatcher::stopListening() {
  Platform::current()->stopListening(WebPlatformEventTypeScreenOrientation);
}

}  // namespace blink