src/third_party/WebKit/Source/modules/device_orientation/DeviceMotionController.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 DeviceMotionController_h
   6 #define DeviceMotionController_h
   7
   8 #include "core/dom/DocumentSupplementable.h"
   9 #include "core/frame/DeviceSingleWindowEventController.h"
  10
  11 namespace blink {
  12
  13 class Event;
  14
  15 class DeviceMotionController final : public DeviceSingleWindowEventController, public DocumentSupplement {
  16     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DeviceMotionController);
  17 public:
  18     virtual ~DeviceMotionController();
  19
  20     static const char* supplementName();
  21     static DeviceMotionController& from(Document&);
  22
  23     virtual void trace(Visitor*) override;
  24
  25 private:
  26     explicit DeviceMotionController(Document&);
  27
  28     // Inherited from DeviceEventControllerBase.
  29     virtual void registerWithDispatcher() override;
  30     virtual void unregisterWithDispatcher() override;
  31     virtual bool hasLastData() override;
  32
  33     // Inherited from DeviceSingleWindowEventController.
  34     virtual PassRefPtrWillBeRawPtr<Event> lastEvent() const override;
  35     virtual const AtomicString& eventTypeName() const override;
  36     virtual bool isNullEvent(Event*) const override;
  37 };
  38
  39 } // namespace blink
  40
  41 #endif // DeviceMotionController_h