content/browser/device_orientation/device_data.h

   1 // Copyright (c) 2012 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_DEVICE_ORIENTATION_DEVICE_DATA_H_
   6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_DATA_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace IPC {
  12 class Message;
  13 }
  14
  15 namespace content {
  16
  17 class CONTENT_EXPORT DeviceData :
  18     public base::RefCountedThreadSafe<DeviceData> {
  19  public:
  20   enum Type {
  21     kTypeMotion,
  22     kTypeOrientation,
  23     kTypeTest
  24   };
  25
  26   virtual IPC::Message* CreateIPCMessage(int render_view_id) const = 0;
  27   virtual bool ShouldFireEvent(const DeviceData* other) const = 0;
  28
  29  protected:
  30   DeviceData() {}
  31   virtual ~DeviceData() {}
  32
  33  private:
  34   friend class base::RefCountedThreadSafe<DeviceData>;
  35
  36   DISALLOW_COPY_AND_ASSIGN(DeviceData);
  37 };
  38
  39 }  // namespace content
  40
  41 #endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_DATA_H_