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   // 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_