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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_OBSERVER_DELEGATE_H_ | |
6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_OBSERVER_DELEGATE_H_ | |
7 | |
8 #include "content/browser/device_orientation/device_data.h" | |
9 #include "content/browser/device_orientation/provider.h" | |
10 | |
11 namespace device_orientation { | |
12 | |
13 class ObserverDelegate | |
14 : public base::RefCounted<ObserverDelegate>, public Provider::Observer { | |
15 public: | |
16 // Create ObserverDelegate that observes provider and forwards updates to | |
hans
2012/07/18 17:21:02
this and the lines below are indented too much
aousterh
2012/07/20 11:18:52
Done.
| |
17 // render_view_id in process_id. | |
18 // Will stop observing provider when destructed. | |
19 ObserverDelegate(DeviceData::Type device_data_type, Provider* provider, | |
20 int render_view_id, IPC::Sender* sender); | |
21 | |
22 // From Provider::Observer. | |
23 virtual void OnDeviceDataUpdate(const DeviceData* device_data, | |
24 DeviceData::Type device_data_type) OVERRIDE; | |
25 | |
26 private: | |
27 static DeviceData* EmptyDeviceData(DeviceData::Type type); | |
28 | |
29 friend class base::RefCounted<ObserverDelegate>; | |
30 virtual ~ObserverDelegate(); | |
31 | |
32 scoped_refptr<Provider> provider_; | |
33 int render_view_id_; | |
34 IPC::Sender* sender_; // Weak pointer. | |
35 | |
36 DISALLOW_COPY_AND_ASSIGN(ObserverDelegate); | |
37 }; | |
38 | |
39 } // namespace device_orientation | |
40 | |
41 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_OBSERVER_DELEGATE_H_ | |
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