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Side by Side Diff: ui/events/devices/x11/touch_factory_x11.cc

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 #include "ui/events/x/touch_factory_x11.h" 5 #include "ui/events/devices/x11/touch_factory_x11.h"
6 6
7 #include <X11/Xatom.h> 7 #include <X11/Xatom.h>
8 #include <X11/cursorfont.h> 8 #include <X11/cursorfont.h>
9 #include <X11/extensions/XInput.h> 9 #include <X11/extensions/XInput.h>
10 #include <X11/extensions/XInput2.h> 10 #include <X11/extensions/XInput2.h>
11 #include <X11/extensions/XIproto.h> 11 #include <X11/extensions/XIproto.h>
12 12
13 #include "base/basictypes.h" 13 #include "base/basictypes.h"
14 #include "base/command_line.h" 14 #include "base/command_line.h"
15 #include "base/compiler_specific.h" 15 #include "base/compiler_specific.h"
16 #include "base/logging.h" 16 #include "base/logging.h"
17 #include "base/memory/singleton.h" 17 #include "base/memory/singleton.h"
18 #include "base/message_loop/message_loop.h" 18 #include "base/message_loop/message_loop.h"
19 #include "base/strings/string_number_conversions.h" 19 #include "base/strings/string_number_conversions.h"
20 #include "base/strings/string_split.h" 20 #include "base/strings/string_split.h"
21 #include "base/sys_info.h" 21 #include "base/sys_info.h"
22 #include "ui/events/devices/x11/device_data_manager_x11.h"
23 #include "ui/events/devices/x11/device_list_cache_x11.h"
22 #include "ui/events/event_switches.h" 24 #include "ui/events/event_switches.h"
23 #include "ui/events/x/device_data_manager_x11.h"
24 #include "ui/events/x/device_list_cache_x.h"
25 #include "ui/gfx/x/x11_types.h" 25 #include "ui/gfx/x/x11_types.h"
26 26
27 namespace ui { 27 namespace ui {
28 28
29 TouchFactory::TouchFactory() 29 TouchFactory::TouchFactory()
30 : pointer_device_lookup_(), 30 : pointer_device_lookup_(),
31 touch_events_disabled_(false), 31 touch_events_disabled_(false),
32 touch_device_list_(), 32 touch_device_list_(),
33 max_touch_points_(-1), 33 max_touch_points_(-1),
34 virtual_core_keyboard_device_(-1), 34 virtual_core_keyboard_device_(-1),
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
86 max_touch_points_ = -1; 86 max_touch_points_ = -1;
87 87
88 #if !defined(USE_XI2_MT) 88 #if !defined(USE_XI2_MT)
89 // NOTE: The new API for retrieving the list of devices (XIQueryDevice) does 89 // NOTE: The new API for retrieving the list of devices (XIQueryDevice) does
90 // not provide enough information to detect a touch device. As a result, the 90 // not provide enough information to detect a touch device. As a result, the
91 // old version of query function (XListInputDevices) is used instead. 91 // old version of query function (XListInputDevices) is used instead.
92 // If XInput2 is not supported, this will return null (with count of -1) so 92 // If XInput2 is not supported, this will return null (with count of -1) so
93 // we assume there cannot be any touch devices. 93 // we assume there cannot be any touch devices.
94 // With XI2.1 or older, we allow only single touch devices. 94 // With XI2.1 or older, we allow only single touch devices.
95 XDeviceList dev_list = 95 XDeviceList dev_list =
96 DeviceListCacheX::GetInstance()->GetXDeviceList(display); 96 DeviceListCacheX11::GetInstance()->GetXDeviceList(display);
97 Atom xi_touchscreen = XInternAtom(display, XI_TOUCHSCREEN, false); 97 Atom xi_touchscreen = XInternAtom(display, XI_TOUCHSCREEN, false);
98 for (int i = 0; i < dev_list.count; i++) { 98 for (int i = 0; i < dev_list.count; i++) {
99 if (dev_list[i].type == xi_touchscreen) { 99 if (dev_list[i].type == xi_touchscreen) {
100 touch_device_lookup_[dev_list[i].id] = true; 100 touch_device_lookup_[dev_list[i].id] = true;
101 touch_device_list_[dev_list[i].id] = false; 101 touch_device_list_[dev_list[i].id] = false;
102 } 102 }
103 } 103 }
104 #endif 104 #endif
105 105
106 if (!DeviceDataManagerX11::GetInstance()->IsXInput2Available()) 106 if (!DeviceDataManagerX11::GetInstance()->IsXInput2Available())
107 return; 107 return;
108 108
109 // Instead of asking X for the list of devices all the time, let's maintain a 109 // Instead of asking X for the list of devices all the time, let's maintain a
110 // list of pointer devices we care about. 110 // list of pointer devices we care about.
111 // It should not be necessary to select for slave devices. XInput2 provides 111 // It should not be necessary to select for slave devices. XInput2 provides
112 // enough information to the event callback to decide which slave device 112 // enough information to the event callback to decide which slave device
113 // triggered the event, thus decide whether the 'pointer event' is a 113 // triggered the event, thus decide whether the 'pointer event' is a
114 // 'mouse event' or a 'touch event'. 114 // 'mouse event' or a 'touch event'.
115 // However, on some desktops, some events from a master pointer are 115 // However, on some desktops, some events from a master pointer are
116 // not delivered to the client. So we select for slave devices instead. 116 // not delivered to the client. So we select for slave devices instead.
117 // If the touch device has 'GrabDevice' set and 'SendCoreEvents' unset (which 117 // If the touch device has 'GrabDevice' set and 'SendCoreEvents' unset (which
118 // is possible), then the device is detected as a floating device, and a 118 // is possible), then the device is detected as a floating device, and a
119 // floating device is not connected to a master device. So it is necessary to 119 // floating device is not connected to a master device. So it is necessary to
120 // also select on the floating devices. 120 // also select on the floating devices.
121 pointer_device_lookup_.reset(); 121 pointer_device_lookup_.reset();
122 XIDeviceList xi_dev_list = 122 XIDeviceList xi_dev_list =
123 DeviceListCacheX::GetInstance()->GetXI2DeviceList(display); 123 DeviceListCacheX11::GetInstance()->GetXI2DeviceList(display);
124 for (int i = 0; i < xi_dev_list.count; i++) { 124 for (int i = 0; i < xi_dev_list.count; i++) {
125 XIDeviceInfo* devinfo = xi_dev_list.devices + i; 125 XIDeviceInfo* devinfo = xi_dev_list.devices + i;
126 if (devinfo->use == XIFloatingSlave || devinfo->use == XIMasterPointer) { 126 if (devinfo->use == XIFloatingSlave || devinfo->use == XIMasterPointer) {
127 #if defined(USE_XI2_MT) 127 #if defined(USE_XI2_MT)
128 for (int k = 0; k < devinfo->num_classes; ++k) { 128 for (int k = 0; k < devinfo->num_classes; ++k) {
129 XIAnyClassInfo* xiclassinfo = devinfo->classes[k]; 129 XIAnyClassInfo* xiclassinfo = devinfo->classes[k];
130 if (xiclassinfo->type == XITouchClass) { 130 if (xiclassinfo->type == XITouchClass) {
131 XITouchClassInfo* tci = 131 XITouchClassInfo* tci =
132 reinterpret_cast<XITouchClassInfo*>(xiclassinfo); 132 reinterpret_cast<XITouchClassInfo*>(xiclassinfo);
133 // Only care direct touch device (such as touch screen) right now 133 // Only care direct touch device (such as touch screen) right now
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346 if (ptr[0] || ptr[1]) 346 if (ptr[0] || ptr[1])
347 touchscreen_ids_.insert(std::make_pair(ptr[0], ptr[1])); 347 touchscreen_ids_.insert(std::make_pair(ptr[0], ptr[1]));
348 } 348 }
349 XFree(prop_return); 349 XFree(prop_return);
350 } 350 }
351 351
352 XCloseDevice(display, device); 352 XCloseDevice(display, device);
353 } 353 }
354 354
355 } // namespace ui 355 } // namespace ui
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