Handle floating point coordinates from ozone to exosphere

ui/events/x/events_x_unittest.cc

 // Copyright (c) 2012 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 <X11/XKBlib.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/extensions/XInput2.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 226 matching lines @@
   // Init touch begin with tracking id 5, touch id 0.
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_MAJOR, 20));
   valuators.push_back(
       Valuator(DeviceDataManagerX11::DT_TOUCH_ORIENTATION, 0.3f));
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_PRESSURE, 100));
   ui::ScopedXI2Event scoped_xevent;
   scoped_xevent.InitTouchEvent(
       0, XI_TouchBegin, 5, gfx::Point(10, 10), valuators);
   EXPECT_EQ(ui::ET_TOUCH_PRESSED, ui::EventTypeFromNative(scoped_xevent));
   EXPECT_EQ("10,10", ui::EventLocationFromNative(scoped_xevent).ToString());
+  EXPECT_EQ(ui::EventLocationFromNative(scoped_xevent),
+            gfx::ToFlooredPoint(ui::EventLocationFromNativeF(scoped_xevent)));
   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.15f);
   PointerDetails pointer_details =
       GetTouchPointerDetailsFromNative(scoped_xevent);
   EXPECT_FLOAT_EQ(pointer_details.radius_x, 10.0f);
   EXPECT_FLOAT_EQ(pointer_details.force, 0.1f);
 
   // Touch update, with new orientation info.
   valuators.clear();
   valuators.push_back(
       Valuator(DeviceDataManagerX11::DT_TOUCH_ORIENTATION, 0.5f));
   scoped_xevent.InitTouchEvent(
       0, XI_TouchUpdate, 5, gfx::Point(20, 20), valuators);
   EXPECT_EQ(ui::ET_TOUCH_MOVED, ui::EventTypeFromNative(scoped_xevent));
   EXPECT_EQ("20,20", ui::EventLocationFromNative(scoped_xevent).ToString());
+  EXPECT_EQ(ui::EventLocationFromNative(scoped_xevent),
+            gfx::ToFlooredPoint(ui::EventLocationFromNativeF(scoped_xevent)));
   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.25f);
   pointer_details = GetTouchPointerDetailsFromNative(scoped_xevent);
   EXPECT_FLOAT_EQ(pointer_details.radius_x, 10.0f);
   EXPECT_FLOAT_EQ(pointer_details.force, 0.1f);
 
   // Another touch with tracking id 6, touch id 1.
   valuators.clear();
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_MAJOR, 100));
   valuators.push_back(Valuator(
       DeviceDataManagerX11::DT_TOUCH_ORIENTATION, 0.9f));
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_PRESSURE, 500));
   scoped_xevent.InitTouchEvent(
       0, XI_TouchBegin, 6, gfx::Point(200, 200), valuators);
   EXPECT_EQ(ui::ET_TOUCH_PRESSED, ui::EventTypeFromNative(scoped_xevent));
   EXPECT_EQ("200,200", ui::EventLocationFromNative(scoped_xevent).ToString());
+  EXPECT_EQ(ui::EventLocationFromNative(scoped_xevent),
+            gfx::ToFlooredPoint(ui::EventLocationFromNativeF(scoped_xevent)));
   EXPECT_EQ(GetTouchId(scoped_xevent), 1);
   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.45f);
   pointer_details = GetTouchPointerDetailsFromNative(scoped_xevent);
   EXPECT_FLOAT_EQ(pointer_details.radius_x, 50.0f);
   EXPECT_FLOAT_EQ(pointer_details.force, 0.5f);
 
   // Touch with tracking id 5 should have old radius/angle value and new pressue
   // value.
   valuators.clear();
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_PRESSURE, 50));
   scoped_xevent.InitTouchEvent(
       0, XI_TouchEnd, 5, gfx::Point(30, 30), valuators);
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ui::EventTypeFromNative(scoped_xevent));
   EXPECT_EQ("30,30", ui::EventLocationFromNative(scoped_xevent).ToString());
+  EXPECT_EQ(ui::EventLocationFromNative(scoped_xevent),
+            gfx::ToFlooredPoint(ui::EventLocationFromNativeF(scoped_xevent)));
   EXPECT_EQ(GetTouchId(scoped_xevent), 0);
   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.25f);
   pointer_details = GetTouchPointerDetailsFromNative(scoped_xevent);
   EXPECT_FLOAT_EQ(pointer_details.radius_x, 10.0f);
   EXPECT_FLOAT_EQ(pointer_details.force, 0.05f);
 
   // Touch with tracking id 6 should have old angle/pressure value and new
   // radius value.
   valuators.clear();
   valuators.push_back(Valuator(DeviceDataManagerX11::DT_TOUCH_MAJOR, 50));
   scoped_xevent.InitTouchEvent(
       0, XI_TouchEnd, 6, gfx::Point(200, 200), valuators);
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, ui::EventTypeFromNative(scoped_xevent));
   EXPECT_EQ("200,200", ui::EventLocationFromNative(scoped_xevent).ToString());
+  EXPECT_EQ(ui::EventLocationFromNative(scoped_xevent),
+            gfx::ToFlooredPoint(ui::EventLocationFromNativeF(scoped_xevent)));
   EXPECT_EQ(GetTouchId(scoped_xevent), 1);
   EXPECT_FLOAT_EQ(GetTouchAngle(scoped_xevent), 0.45f);
   pointer_details = GetTouchPointerDetailsFromNative(scoped_xevent);
   EXPECT_FLOAT_EQ(pointer_details.radius_x, 25.0f);
   EXPECT_FLOAT_EQ(pointer_details.force, 0.5f);
 }
 
 int GetTouchIdForTrackingId(uint32_t tracking_id) {
   int slot = 0;
   bool success =
@@ skipping 255 matching lines @@
 
   ResetTimestampRolloverCountersForTesting(
       base::MakeUnique<MockTickClock>(0x100000005));
 
   event.xbutton.time = 0xFFFFFFFF;
   EXPECT_EQ(base::TimeDelta::FromMilliseconds(0xFFFFFFFF).ToInternalValue(),
             ui::EventTimeFromNative(&event).ToInternalValue());
 }
 
 }  // namespace ui