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Side by Side Diff: ui/events/devices/x11/device_list_cache_x11.h

Issue 685793002: Move all event related devices from ui/events/ to ui/events/devices/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@internal-touchscreens
Patch Set: fix ozone Created 6 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 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 UI_EVENTS_X_DEVICE_LIST_CACHE_X_H_ 5 #ifndef UI_EVENTS_DEVICES_X11_DEVICE_LIST_CACHE_X11_H_
6 #define UI_EVENTS_X_DEVICE_LIST_CACHE_X_H_ 6 #define UI_EVENTS_DEVICES_X11_DEVICE_LIST_CACHE_X11_H_
7 7
8 #include <X11/extensions/XInput.h> 8 #include <X11/extensions/XInput.h>
9 #include <X11/extensions/XInput2.h> 9 #include <X11/extensions/XInput2.h>
10 10
11 #include <map> 11 #include <map>
12 12
13 #include "base/basictypes.h" 13 #include "base/basictypes.h"
14 #include "ui/events/events_base_export.h" 14 #include "ui/events/devices/events_devices_export.h"
15 15
16 template <typename T> struct DefaultSingletonTraits; 16 template <typename T> struct DefaultSingletonTraits;
17 17
18 typedef struct _XDisplay Display; 18 typedef struct _XDisplay Display;
19 19
20 template <typename T> 20 template <typename T>
21 struct DeviceList { 21 struct DeviceList {
22 DeviceList() : devices(NULL), count(0) { 22 DeviceList() : devices(NULL), count(0) {
23 } 23 }
24 T& operator[] (int x) { 24 T& operator[] (int x) {
25 return devices[x]; 25 return devices[x];
26 } 26 }
27 const T& operator[](int x) const { return devices[x]; } 27 const T& operator[](int x) const { return devices[x]; }
28 T* devices; 28 T* devices;
29 int count; 29 int count;
30 }; 30 };
31 31
32 typedef struct DeviceList<XDeviceInfo> XDeviceList; 32 typedef struct DeviceList<XDeviceInfo> XDeviceList;
33 typedef struct DeviceList<XIDeviceInfo> XIDeviceList; 33 typedef struct DeviceList<XIDeviceInfo> XIDeviceList;
34 34
35 namespace ui { 35 namespace ui {
36 36
37 // A class to cache the current XInput device list. This minimized the 37 // A class to cache the current XInput device list. This minimized the
38 // round-trip time to the X server whenever such a device list is needed. The 38 // round-trip time to the X server whenever such a device list is needed. The
39 // update function will be called on each incoming XI_HierarchyChanged event. 39 // update function will be called on each incoming XI_HierarchyChanged event.
40 class EVENTS_BASE_EXPORT DeviceListCacheX { 40 class EVENTS_DEVICES_EXPORT DeviceListCacheX11 {
41 public: 41 public:
42 static DeviceListCacheX* GetInstance(); 42 static DeviceListCacheX11* GetInstance();
43 43
44 void UpdateDeviceList(Display* display); 44 void UpdateDeviceList(Display* display);
45 45
46 // Returns the list of devices associated with |display|. Uses the old X11 46 // Returns the list of devices associated with |display|. Uses the old X11
47 // protocol to get the list of the devices. 47 // protocol to get the list of the devices.
48 const XDeviceList& GetXDeviceList(Display* display); 48 const XDeviceList& GetXDeviceList(Display* display);
49 49
50 // Returns the list of devices associated with |display|. Uses the newer 50 // Returns the list of devices associated with |display|. Uses the newer
51 // XINPUT2 protocol to get the list of devices. Before making this call, make 51 // XINPUT2 protocol to get the list of devices. Before making this call, make
52 // sure that XInput2 support is available (e.g. by calling 52 // sure that XInput2 support is available (e.g. by calling
53 // IsXInput2Available()). 53 // IsXInput2Available()).
54 const XIDeviceList& GetXI2DeviceList(Display* display); 54 const XIDeviceList& GetXI2DeviceList(Display* display);
55 55
56 private: 56 private:
57 friend struct DefaultSingletonTraits<DeviceListCacheX>; 57 friend struct DefaultSingletonTraits<DeviceListCacheX11>;
58 58
59 DeviceListCacheX(); 59 DeviceListCacheX11();
60 ~DeviceListCacheX(); 60 ~DeviceListCacheX11();
61 61
62 std::map<Display*, XDeviceList> x_dev_list_map_; 62 std::map<Display*, XDeviceList> x_dev_list_map_;
63 std::map<Display*, XIDeviceList> xi_dev_list_map_; 63 std::map<Display*, XIDeviceList> xi_dev_list_map_;
64 64
65 DISALLOW_COPY_AND_ASSIGN(DeviceListCacheX); 65 DISALLOW_COPY_AND_ASSIGN(DeviceListCacheX11);
66 }; 66 };
67 67
68 } // namespace ui 68 } // namespace ui
69 69
70 #endif // UI_EVENTS_X_DEVICE_LIST_CACHE_X_H_ 70 #endif // UI_EVENTS_DEVICES_X11_DEVICE_LIST_CACHE_X11_H_
71 71
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