#include "ui/events/x/touch_factory_x11.h"
+#include <X11/Xatom.h>
#include <X11/cursorfont.h>
#include <X11/extensions/XInput.h>
#include <X11/extensions/XInput2.h>
#include <X11/extensions/XIproto.h>
-#include <string>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
+#include "base/sys_info.h"
#include "ui/events/event_switches.h"
+#include "ui/events/x/device_data_manager_x11.h"
#include "ui/events/x/device_list_cache_x.h"
#include "ui/gfx/x/x11_types.h"
touch_device_available_(false),
touch_events_disabled_(false),
touch_device_list_(),
-#if defined(USE_XI2_MT)
- id_generator_(0),
-#endif
- slots_used_() {
-#if defined(USE_AURA)
- if (!base::MessagePumpForUI::HasXInput2())
+ max_touch_points_(-1),
+ id_generator_(0) {
+ if (!DeviceDataManagerX11::GetInstance()->IsXInput2Available())
return;
-#endif
XDisplay* display = gfx::GetXDisplay();
UpdateDeviceList(display);
// static
void TouchFactory::SetTouchDeviceListFromCommandLine() {
-#if defined(TOOLKIT_VIEWS)
// Get a list of pointer-devices that should be treated as touch-devices.
// This is primarily used for testing/debugging touch-event processing when a
// touch-device isn't available.
}
ui::TouchFactory::GetInstance()->SetTouchDeviceList(device_ids);
}
-#endif
}
void TouchFactory::UpdateDeviceList(Display* display) {
touch_device_available_ = false;
touch_device_lookup_.reset();
touch_device_list_.clear();
+ touchscreen_ids_.clear();
+ max_touch_points_ = -1;
#if !defined(USE_XI2_MT)
// NOTE: The new API for retrieving the list of devices (XIQueryDevice) does
// old version of query function (XListInputDevices) is used instead.
// If XInput2 is not supported, this will return null (with count of -1) so
// we assume there cannot be any touch devices.
- // With XI2.1 or older, we allow only single touch devices unless
- // |enable_xi2_mt| is turned on.
+ // With XI2.1 or older, we allow only single touch devices.
XDeviceList dev_list =
DeviceListCacheX::GetInstance()->GetXDeviceList(display);
-#if !defined(ENABLE_XI21_MT)
Atom xi_touchscreen = XInternAtom(display, XI_TOUCHSCREEN, false);
-#else
- // Certain Samsung and Intel devices support multi-touch with XInput2.1
- // using the device type "MULTITOUCHSCREEN".
- Atom xi_touchscreen = XInternAtom(display, "MULTITOUCHSCREEN", false);
-#endif
for (int i = 0; i < dev_list.count; i++) {
if (dev_list[i].type == xi_touchscreen) {
touch_device_lookup_[dev_list[i].id] = true;
}
#endif
+ if (!DeviceDataManagerX11::GetInstance()->IsXInput2Available())
+ return;
+
// Instead of asking X for the list of devices all the time, let's maintain a
// list of pointer devices we care about.
// It should not be necessary to select for slave devices. XInput2 provides
XIAnyClassInfo* xiclassinfo = devinfo->classes[k];
if (xiclassinfo->type == XITouchClass) {
XITouchClassInfo* tci =
- reinterpret_cast<XITouchClassInfo *>(xiclassinfo);
+ reinterpret_cast<XITouchClassInfo*>(xiclassinfo);
// Only care direct touch device (such as touch screen) right now
if (tci->mode == XIDirectTouch) {
touch_device_lookup_[devinfo->deviceid] = true;
touch_device_list_[devinfo->deviceid] = true;
touch_device_available_ = true;
+ if (tci->num_touches > 0 && tci->num_touches > max_touch_points_)
+ max_touch_points_ = tci->num_touches;
}
}
}
#endif
pointer_device_lookup_[devinfo->deviceid] = true;
}
+
+#if defined(USE_XI2_MT)
+ if (devinfo->use == XIFloatingSlave || devinfo->use == XISlavePointer) {
+ for (int k = 0; k < devinfo->num_classes; ++k) {
+ XIAnyClassInfo* xiclassinfo = devinfo->classes[k];
+ if (xiclassinfo->type == XITouchClass) {
+ XITouchClassInfo* tci =
+ reinterpret_cast<XITouchClassInfo*>(xiclassinfo);
+ // Only care direct touch device (such as touch screen) right now
+ if (tci->mode == XIDirectTouch)
+ CacheTouchscreenIds(display, devinfo->deviceid);
+ }
+ }
+ }
+#endif
}
}
return !touch_events_disabled_ && IsTouchDevice(xiev->deviceid);
}
#endif
+ // Make sure only key-events from the master device are processed.
+ if (event->evtype == XI_KeyPress || event->evtype == XI_KeyRelease)
+ return xiev->deviceid == xiev->sourceid;
+
if (event->evtype != XI_ButtonPress &&
event->evtype != XI_ButtonRelease &&
event->evtype != XI_Motion)
XISetMask(mask, XI_ButtonPress);
XISetMask(mask, XI_ButtonRelease);
XISetMask(mask, XI_Motion);
+#if defined(OS_CHROMEOS)
+ if (base::SysInfo::IsRunningOnChromeOS()) {
+ XISetMask(mask, XI_KeyPress);
+ XISetMask(mask, XI_KeyRelease);
+ }
+#endif
XIEventMask evmask;
evmask.deviceid = XIAllDevices;
false;
}
-#if defined(USE_XI2_MT)
bool TouchFactory::QuerySlotForTrackingID(uint32 tracking_id, int* slot) {
if (!id_generator_.HasGeneratedIDFor(tracking_id))
return false;
return id_generator_.GetGeneratedID(tracking_id);
}
+void TouchFactory::AcquireSlotForTrackingID(uint32 tracking_id) {
+ tracking_id_refcounts_[tracking_id]++;
+}
+
void TouchFactory::ReleaseSlotForTrackingID(uint32 tracking_id) {
- id_generator_.ReleaseNumber(tracking_id);
+ tracking_id_refcounts_[tracking_id]--;
+ if (tracking_id_refcounts_[tracking_id] == 0)
+ id_generator_.ReleaseNumber(tracking_id);
}
-#endif
-bool TouchFactory::IsSlotUsed(int slot) const {
- CHECK_LT(slot, kMaxTouchPoints);
- return slots_used_[slot];
+bool TouchFactory::IsTouchDevicePresent() {
+ return !touch_events_disabled_ && touch_device_available_;
}
-void TouchFactory::SetSlotUsed(int slot, bool used) {
- CHECK_LT(slot, kMaxTouchPoints);
- slots_used_[slot] = used;
+int TouchFactory::GetMaxTouchPoints() const {
+ return max_touch_points_;
}
-bool TouchFactory::IsTouchDevicePresent() {
- return !touch_events_disabled_ && touch_device_available_;
+void TouchFactory::ResetForTest() {
+ pointer_device_lookup_.reset();
+ touch_device_lookup_.reset();
+ touch_device_available_ = false;
+ touch_events_disabled_ = false;
+ touch_device_list_.clear();
+ touchscreen_ids_.clear();
+ tracking_id_refcounts_.clear();
+ max_touch_points_ = -1;
+ id_generator_.ResetForTest();
}
void TouchFactory::SetTouchDeviceForTest(
touch_events_disabled_ = false;
}
+void TouchFactory::SetPointerDeviceForTest(
+ const std::vector<unsigned int>& devices) {
+ pointer_device_lookup_.reset();
+ for (std::vector<unsigned int>::const_iterator iter = devices.begin();
+ iter != devices.end(); ++iter) {
+ pointer_device_lookup_[*iter] = true;
+ }
+}
+
+void TouchFactory::CacheTouchscreenIds(Display* display, int device_id) {
+ XDevice* device = XOpenDevice(display, device_id);
+ if (!device)
+ return;
+
+ Atom actual_type_return;
+ int actual_format_return;
+ unsigned long nitems_return;
+ unsigned long bytes_after_return;
+ unsigned char *prop_return;
+
+ const char kDeviceProductIdString[] = "Device Product ID";
+ Atom device_product_id_atom =
+ XInternAtom(display, kDeviceProductIdString, false);
+
+ if (device_product_id_atom != None &&
+ XGetDeviceProperty(display, device, device_product_id_atom, 0, 2,
+ False, XA_INTEGER, &actual_type_return,
+ &actual_format_return, &nitems_return,
+ &bytes_after_return, &prop_return) == Success) {
+ if (actual_type_return == XA_INTEGER &&
+ actual_format_return == 32 &&
+ nitems_return == 2) {
+ // An actual_format_return of 32 implies that the returned data is an
+ // array of longs. See the description of |prop_return| in `man
+ // XGetDeviceProperty` for details.
+ long* ptr = reinterpret_cast<long*>(prop_return);
+
+ // Internal displays will have a vid and pid of 0. Ignore them.
+ // ptr[0] is the vid, and ptr[1] is the pid.
+ if (ptr[0] || ptr[1])
+ touchscreen_ids_.insert(std::make_pair(ptr[0], ptr[1]));
+ }
+ XFree(prop_return);
+ }
+
+ XCloseDevice(display, device);
+}
+
} // namespace ui