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Side by Side Diff: content/browser/sensors/sensors_provider.h

Issue 8678019: Move sensors interface into content/public/browser (since it's only used by browser directory). M... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: fix aura typo Created 9 years, 1 month ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_SENSORS_PROVIDER_H_ 5 #ifndef CONTENT_BROWSER_SENSORS_PROVIDER_H_
6 #define CONTENT_BROWSER_SENSORS_PROVIDER_H_ 6 #define CONTENT_BROWSER_SENSORS_PROVIDER_H_
7 #pragma once 7 #pragma once
8 8
9 #include "base/basictypes.h" 9 #include "base/basictypes.h"
10 #include "content/common/content_export.h" 10 #include "content/common/content_export.h"
11 #include "content/common/sensors_listener.h" 11 #include "content/public/browser/sensors_listener.h"
12 12
13 // The sensors API will unify various types of sensor data into a set of 13 // The sensors API will unify various types of sensor data into a set of
14 // channels, each of which provides change events and periodic updates. 14 // channels, each of which provides change events and periodic updates.
15 // 15 //
16 // This version of the API is intended only to support the experimental screen 16 // This version of the API is intended only to support the experimental screen
17 // rotation code and is not for general use. In particular, the final listener 17 // rotation code and is not for general use. In particular, the final listener
18 // will declare generic |OnSensorChanged| and |OnSensorUpdated| methods, rather 18 // will declare generic |OnSensorChanged| and |OnSensorUpdated| methods, rather
19 // than the special-purpose |OnScreenOrientationChanged|. 19 // than the special-purpose |OnScreenOrientationChanged|.
20 20
21 namespace sensors { 21 namespace sensors {
22 22
23 // TODO(cwolfe): Finish defining the initial set of channels and replace this 23 // TODO(cwolfe): Finish defining the initial set of channels and replace this
24 // with the generic sensor provider. 24 // with the generic sensor provider.
25 // 25 //
26 class CONTENT_EXPORT Provider { 26 class CONTENT_EXPORT Provider {
27 public: 27 public:
28 static Provider* GetInstance(); 28 static Provider* GetInstance();
29 29
30 // Adds a sensor listener. The listener will receive callbacks to indicate 30 // Adds a sensor listener. The listener will receive callbacks to indicate
31 // sensor changes and updates until it is removed. 31 // sensor changes and updates until it is removed.
32 // 32 //
33 // This method may be called in any thread. Callbacks on a listener will 33 // This method may be called in any thread. Callbacks on a listener will
34 // always be executed in the thread which added that listener. 34 // always be executed in the thread which added that listener.
35 virtual void AddListener(Listener* listener) = 0; 35 virtual void AddListener(content::SensorsListener* listener) = 0;
36 36
37 // Removes a sensor listener. 37 // Removes a sensor listener.
38 // 38 //
39 // This method must be called in the same thread which added the listener. 39 // This method must be called in the same thread which added the listener.
40 // If the listener is not currently subscribed, this method may be called in 40 // If the listener is not currently subscribed, this method may be called in
41 // any thread. 41 // any thread.
42 virtual void RemoveListener(Listener* listener) = 0; 42 virtual void RemoveListener(content::SensorsListener* listener) = 0;
43 43
44 // Broadcasts a change to the coarse screen orientation. 44 // Broadcasts a change to the coarse screen orientation.
45 // 45 //
46 // This method may be called in any thread. 46 // This method may be called in any thread.
47 virtual void ScreenOrientationChanged(const ScreenOrientation& change) = 0; 47 virtual void ScreenOrientationChanged(
48 content::ScreenOrientation change) = 0;
48 49
49 protected: 50 protected:
50 Provider(); 51 Provider();
51 virtual ~Provider(); 52 virtual ~Provider();
52 53
53 DISALLOW_COPY_AND_ASSIGN(Provider); 54 DISALLOW_COPY_AND_ASSIGN(Provider);
54 }; 55 };
55 56
56 } // namespace sensors 57 } // namespace sensors
57 58
58 #endif // CONTENT_BROWSER_SENSORS_PROVIDER_H_ 59 #endif // CONTENT_BROWSER_SENSORS_PROVIDER_H_
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