forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
xbox_data_fetcher_mac.cc
399 lines (339 loc) · 13.1 KB
/
xbox_data_fetcher_mac.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "device/gamepad/xbox_data_fetcher_mac.h"
#include <algorithm>
#include <cmath>
#include <limits>
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/usb/IOUSBLib.h>
#include <IOKit/usb/USB.h>
#include "base/logging.h"
#include "base/mac/foundation_util.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
namespace device {
namespace {
void CopyToUString(UChar* dest, size_t dest_length, base::string16 src) {
static_assert(sizeof(base::string16::value_type) == sizeof(UChar),
"Mismatched string16/WebUChar size.");
const size_t str_to_copy = std::min(src.size(), dest_length - 1);
src.copy(dest, str_to_copy);
std::fill(dest + str_to_copy, dest + dest_length, 0);
}
} // namespace
XboxDataFetcher::PendingController::PendingController(
XboxDataFetcher* fetcher,
std::unique_ptr<XboxControllerMac> controller)
: fetcher(fetcher), controller(std::move(controller)) {}
XboxDataFetcher::PendingController::~PendingController() = default;
XboxDataFetcher::XboxDataFetcher() = default;
XboxDataFetcher::~XboxDataFetcher() {
while (!controllers_.empty()) {
RemoveController(*controllers_.begin());
}
UnregisterFromNotifications();
}
GamepadSource XboxDataFetcher::source() {
return Factory::static_source();
}
void XboxDataFetcher::GetGamepadData(bool devices_changed_hint) {
// This just loops through all the connected pads and "pings" them to indicate
// that they're still active.
for (auto* controller : controllers_) {
GetPadState(controller->location_id());
}
}
void XboxDataFetcher::PlayEffect(
int source_id,
mojom::GamepadHapticEffectType type,
mojom::GamepadEffectParametersPtr params,
mojom::GamepadHapticsManager::PlayVibrationEffectOnceCallback callback) {
XboxControllerMac* controller = ControllerForLocation(source_id);
if (!controller) {
std::move(callback).Run(
mojom::GamepadHapticsResult::GamepadHapticsResultError);
return;
}
controller->PlayEffect(type, std::move(params), std::move(callback));
}
void XboxDataFetcher::ResetVibration(
int source_id,
mojom::GamepadHapticsManager::ResetVibrationActuatorCallback callback) {
XboxControllerMac* controller = ControllerForLocation(source_id);
if (!controller) {
std::move(callback).Run(
mojom::GamepadHapticsResult::GamepadHapticsResultError);
return;
}
controller->ResetVibration(std::move(callback));
}
void XboxDataFetcher::OnAddedToProvider() {
RegisterForNotifications();
}
// static
void XboxDataFetcher::DeviceAdded(void* context, io_iterator_t iterator) {
DCHECK(context);
XboxDataFetcher* fetcher = static_cast<XboxDataFetcher*>(context);
io_service_t ref;
while ((ref = IOIteratorNext(iterator))) {
base::mac::ScopedIOObject<io_service_t> scoped_ref(ref);
fetcher->TryOpenDevice(ref);
}
}
// static
void XboxDataFetcher::DeviceRemoved(void* context, io_iterator_t iterator) {
DCHECK(context);
XboxDataFetcher* fetcher = static_cast<XboxDataFetcher*>(context);
io_service_t ref;
while ((ref = IOIteratorNext(iterator))) {
base::mac::ScopedIOObject<io_service_t> scoped_ref(ref);
base::ScopedCFTypeRef<CFNumberRef> number(
base::mac::CFCastStrict<CFNumberRef>(IORegistryEntryCreateCFProperty(
ref, CFSTR(kUSBDevicePropertyLocationID), kCFAllocatorDefault,
kNilOptions)));
UInt32 location_id = 0;
CFNumberGetValue(number, kCFNumberSInt32Type, &location_id);
fetcher->RemoveControllerByLocationID(location_id);
}
}
// static
void XboxDataFetcher::InterestCallback(void* context,
io_service_t service,
IOMessage message_type,
void* message_argument) {
if (message_type == kIOMessageServiceWasClosed) {
PendingController* pending = static_cast<PendingController*>(context);
pending->fetcher->PendingControllerBecameAvailable(service, pending);
}
}
void XboxDataFetcher::PendingControllerBecameAvailable(
io_service_t service,
PendingController* pending) {
// Destroying the PendingController object unregisters our interest
// notification.
for (auto it = pending_controllers_.begin(); it != pending_controllers_.end();
++it) {
if (pending == it->get()) {
pending_controllers_.erase(it);
break;
}
}
TryOpenDevice(service);
}
bool XboxDataFetcher::TryOpenDevice(io_service_t service) {
auto pending = std::make_unique<PendingController>(
this, std::make_unique<XboxControllerMac>(this));
bool did_register_interest =
RegisterForInterestNotifications(service, pending.get());
auto* controller = pending->controller.get();
XboxControllerMac::OpenDeviceResult result = controller->OpenDevice(service);
if (result == XboxControllerMac::OpenDeviceResult::OPEN_SUCCEEDED) {
AddController(pending->controller.release());
return true;
}
if (did_register_interest &&
result ==
XboxControllerMac::OpenDeviceResult::OPEN_FAILED_EXCLUSIVE_ACCESS) {
pending_controllers_.insert(std::move(pending));
}
return false;
}
bool XboxDataFetcher::RegisterForNotifications() {
if (listening_)
return true;
if (port_ == nullptr)
port_.reset(IONotificationPortCreate(kIOMasterPortDefault));
if (!port_.is_valid())
return false;
source_ = IONotificationPortGetRunLoopSource(port_.get());
if (!source_)
return false;
CFRunLoopAddSource(CFRunLoopGetCurrent(), source_, kCFRunLoopDefaultMode);
listening_ = true;
if (!RegisterForDeviceNotifications(
XboxControllerMac::kVendorMicrosoft,
XboxControllerMac::kProductXboxOneEliteController,
&xbox_one_elite_device_added_iter_,
&xbox_one_elite_device_removed_iter_))
return false;
if (!RegisterForDeviceNotifications(
XboxControllerMac::kVendorMicrosoft,
XboxControllerMac::kProductXboxOneController2013,
&xbox_one_2013_device_added_iter_,
&xbox_one_2013_device_removed_iter_))
return false;
if (!RegisterForDeviceNotifications(
XboxControllerMac::kVendorMicrosoft,
XboxControllerMac::kProductXboxOneController2015,
&xbox_one_2015_device_added_iter_,
&xbox_one_2015_device_removed_iter_))
return false;
if (!RegisterForDeviceNotifications(
XboxControllerMac::kVendorMicrosoft,
XboxControllerMac::kProductXboxOneSController,
&xbox_one_s_device_added_iter_, &xbox_one_s_device_removed_iter_))
return false;
if (!RegisterForDeviceNotifications(
XboxControllerMac::kVendorMicrosoft,
XboxControllerMac::kProductXbox360Controller,
&xbox_360_device_added_iter_, &xbox_360_device_removed_iter_))
return false;
return true;
}
bool XboxDataFetcher::RegisterForDeviceNotifications(
int vendor_id,
int product_id,
base::mac::ScopedIOObject<io_iterator_t>* added_iter,
base::mac::ScopedIOObject<io_iterator_t>* removed_iter) {
base::ScopedCFTypeRef<CFNumberRef> vendor_cf(
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vendor_id));
base::ScopedCFTypeRef<CFNumberRef> product_cf(
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &product_id));
base::ScopedCFTypeRef<CFMutableDictionaryRef> matching_dict(
IOServiceMatching(kIOUSBDeviceClassName));
if (!matching_dict)
return false;
CFDictionarySetValue(matching_dict, CFSTR(kUSBVendorID), vendor_cf);
CFDictionarySetValue(matching_dict, CFSTR(kUSBProductID), product_cf);
// IOServiceAddMatchingNotification() releases the dictionary when it's done.
// Retain it before each call to IOServiceAddMatchingNotification to keep
// things balanced.
CFRetain(matching_dict);
IOReturn ret;
ret = IOServiceAddMatchingNotification(port_.get(), kIOFirstMatchNotification,
matching_dict, DeviceAdded, this,
added_iter->InitializeInto());
if (ret != kIOReturnSuccess) {
LOG(ERROR) << "Error listening for Xbox controller add events: " << ret;
return false;
}
DeviceAdded(this, added_iter->get());
CFRetain(matching_dict);
ret = IOServiceAddMatchingNotification(port_.get(), kIOTerminatedNotification,
matching_dict, DeviceRemoved, this,
removed_iter->InitializeInto());
if (ret != kIOReturnSuccess) {
LOG(ERROR) << "Error listening for Xbox controller remove events: " << ret;
return false;
}
DeviceRemoved(this, removed_iter->get());
return true;
}
bool XboxDataFetcher::RegisterForInterestNotifications(
io_service_t service,
PendingController* pending) {
if (port_ == nullptr)
port_.reset(IONotificationPortCreate(kIOMasterPortDefault));
if (!port_.is_valid())
return false;
kern_return_t kr = IOServiceAddInterestNotification(
port_.get(), service, kIOGeneralInterest, InterestCallback, pending,
pending->notify.InitializeInto());
return kr == KERN_SUCCESS;
}
void XboxDataFetcher::UnregisterFromNotifications() {
if (!listening_)
return;
listening_ = false;
if (source_)
CFRunLoopSourceInvalidate(source_);
port_.reset();
pending_controllers_.clear();
}
XboxControllerMac* XboxDataFetcher::ControllerForLocation(UInt32 location_id) {
for (std::set<XboxControllerMac*>::iterator i = controllers_.begin();
i != controllers_.end(); ++i) {
if ((*i)->location_id() == location_id)
return *i;
}
return NULL;
}
void XboxDataFetcher::AddController(XboxControllerMac* controller) {
DCHECK(!ControllerForLocation(controller->location_id()))
<< "Controller with location ID " << controller->location_id()
<< " already exists in the set of controllers.";
PadState* state = GetPadState(controller->location_id());
if (!state) {
delete controller;
return; // No available slot for this device
}
controllers_.insert(controller);
controller->SetLEDPattern((XboxControllerMac::LEDPattern)(
XboxControllerMac::LED_FLASH_TOP_LEFT + controller->location_id()));
CopyToUString(state->data.id, arraysize(state->data.id),
base::UTF8ToUTF16(controller->GetIdString()));
CopyToUString(state->data.mapping, arraysize(state->data.mapping),
base::UTF8ToUTF16("standard"));
state->data.connected = true;
state->data.axes_length = 4;
state->data.buttons_length = 17;
state->data.timestamp = 0;
state->mapper = 0;
state->axis_mask = 0;
state->button_mask = 0;
// Assume all Xbox gamepads support vibration effects.
state->data.vibration_actuator.type = GamepadHapticActuatorType::kDualRumble;
state->data.vibration_actuator.not_null = true;
}
void XboxDataFetcher::RemoveController(XboxControllerMac* controller) {
controllers_.erase(controller);
delete controller;
}
void XboxDataFetcher::RemoveControllerByLocationID(uint32_t location_id) {
XboxControllerMac* controller = NULL;
for (std::set<XboxControllerMac*>::iterator i = controllers_.begin();
i != controllers_.end(); ++i) {
if ((*i)->location_id() == location_id) {
controller = *i;
break;
}
}
if (controller)
RemoveController(controller);
}
void XboxDataFetcher::XboxControllerGotData(
XboxControllerMac* controller,
const XboxControllerMac::Data& data) {
PadState* state = GetPadState(controller->location_id());
if (!state)
return; // No available slot for this device
Gamepad& pad = state->data;
for (size_t i = 0; i < 6; i++) {
pad.buttons[i].pressed = data.buttons[i];
pad.buttons[i].value = data.buttons[i] ? 1.0f : 0.0f;
}
pad.buttons[6].pressed = data.triggers[0] > kDefaultButtonPressedThreshold;
pad.buttons[6].value = data.triggers[0];
pad.buttons[7].pressed = data.triggers[1] > kDefaultButtonPressedThreshold;
pad.buttons[7].value = data.triggers[1];
for (size_t i = 8; i < 16; i++) {
pad.buttons[i].pressed = data.buttons[i - 2];
pad.buttons[i].value = data.buttons[i - 2] ? 1.0f : 0.0f;
}
if (controller->GetControllerType() ==
XboxControllerMac::XBOX_360_CONTROLLER) {
pad.buttons[16].pressed = data.buttons[14];
pad.buttons[16].value = data.buttons[14] ? 1.0f : 0.0f;
}
for (size_t i = 0; i < arraysize(data.axes); i++) {
pad.axes[i] = data.axes[i];
}
pad.timestamp = (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds();
}
void XboxDataFetcher::XboxControllerGotGuideData(XboxControllerMac* controller,
bool guide) {
PadState* state = GetPadState(controller->location_id());
if (!state)
return; // No available slot for this device
Gamepad& pad = state->data;
pad.buttons[16].pressed = guide;
pad.buttons[16].value = guide ? 1.0f : 0.0f;
pad.timestamp = (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds();
}
void XboxDataFetcher::XboxControllerError(XboxControllerMac* controller) {
RemoveController(controller);
}
} // namespace device