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      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   // TODO(timvolodine): move the DeviceData::Type enum to the service class
     21   // once it is implemented.
     22   enum Type {
     23     kTypeOrientation = 0,
     24     kTypeMotion = 1,
     25     kTypeTest = 100
     26   };
     27 
     28   virtual IPC::Message* CreateIPCMessage(int render_view_id) const = 0;
     29   virtual bool ShouldFireEvent(const DeviceData* other) const = 0;
     30 
     31  protected:
     32   DeviceData() {}
     33   virtual ~DeviceData() {}
     34 
     35  private:
     36   friend class base::RefCountedThreadSafe<DeviceData>;
     37 
     38   DISALLOW_COPY_AND_ASSIGN(DeviceData);
     39 };
     40 
     41 }  // namespace content
     42 
     43 #endif  // CONTENT_BROWSER_DEVICE_ORIENTATION_DEVICE_DATA_H_
     44