content/public/renderer/renderer_gamepad_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_PUBLIC_RENDERER_RENDERER_GAMEPAD_PROVIDER_H_
   6 #define CONTENT_PUBLIC_RENDERER_RENDERER_GAMEPAD_PROVIDER_H_
   7
   8 #include "content/public/renderer/platform_event_observer.h"
   9
  10 namespace blink {
  11 class WebGamepadListener;
  12 class WebGamepads;
  13 }
  14
  15 namespace content {
  16
  17 // Provides gamepad data and events for blink.
  18 class RendererGamepadProvider
  19     : public PlatformEventObserver<blink::WebGamepadListener> {
  20  public:
  21   explicit RendererGamepadProvider(RenderThread* thread)
  22       : PlatformEventObserver<blink::WebGamepadListener>(thread) { }
  23
  24   ~RendererGamepadProvider() override {}
  25
  26   // Provides latest snapshot of gamepads.
  27   virtual void SampleGamepads(blink::WebGamepads& gamepads) = 0;
  28
  29  protected:
  30   DISALLOW_COPY_AND_ASSIGN(RendererGamepadProvider);
  31 };
  32
  33 } // namespace content
  34
  35 #endif  // CONTENT_PUBLIC_RENDERER_RENDERER_GAMEPAD_PROVIDER_H_