Added experimental Touch.tilt, Touch.tiltDirection support for Android

content/browser/renderer_host/ui_events_helper.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 "content/browser/renderer_host/ui_events_helper.h"
 
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/common/input/web_touch_event_traits.h"
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "ui/events/event.h"
@@ skipping 95 matching lines @@
     else
       location = point.screenPosition;
     ui::TouchEvent* uievent = new ui::TouchEvent(type,
           location,
           flags,
           point.id,
           timestamp,
           point.radiusX,
           point.radiusY,
           point.rotationAngle,
+          point.tilt,
           point.force);
     uievent->set_latency(touch_with_latency.latency);
     list->push_back(uievent);
   }
   return true;
 }
 
 blink::WebGestureEvent MakeWebGestureEventFromUIEvent(
     const ui::GestureEvent& event) {
   return CreateWebGestureEvent(event.details(),
@@ skipping 35 matching lines @@
       break;
   }
 
   if (!point)
     return NULL;
 
   // The spec requires the radii values to be positive (and 1 when unknown).
   point->radiusX = std::max(1.f, event.radius_x());
   point->radiusY = std::max(1.f, event.radius_y());
   point->rotationAngle = event.rotation_angle();
+  point->tilt = event.tilt();
   point->force = event.force();
 
   // Update the location and state of the point.
   point->state = TouchPointStateFromEvent(event);
   point->position.x = event.x();
   point->position.y = event.y();
 
   const gfx::PointF& root_point = event.root_location_f();
   point->screenPosition.x = root_point.x();
   point->screenPosition.y = root_point.y();
 
   // Mark the rest of the points as stationary.
   for (unsigned i = 0; i < web_event->touchesLength; ++i) {
     blink::WebTouchPoint* iter = web_event->touches + i;
     if (iter != point)
       iter->state = blink::WebTouchPoint::StateStationary;
   }
 
   // Update the type of the touch event.
   WebTouchEventTraits::ResetType(TouchEventTypeFromEvent(event),
                                  event.time_stamp().InSecondsF(),
                                  web_event);
   web_event->modifiers = EventFlagsToWebEventModifiers(event.flags());
 
   return point;
 }
 
 }  // namespace content