Add the pointer type of pen to the synthetic WebMousEvent

content/browser/renderer_host/input/synthetic_gesture_target_aura.cc

 // 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 "content/browser/renderer_host/input/synthetic_gesture_target_aura.h"
 
 #include <stddef.h>
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
@@ skipping 107 matching lines @@
   if (modifiers & blink::WebInputEvent::LeftButtonDown)
     flags |= ui::EF_LEFT_MOUSE_BUTTON;
   if (modifiers & blink::WebInputEvent::MiddleButtonDown)
     flags |= ui::EF_MIDDLE_MOUSE_BUTTON;
   if (modifiers & blink::WebInputEvent::RightButtonDown)
     flags |= ui::EF_RIGHT_MOUSE_BUTTON;
 
   return flags;
 }
 
+ui::EventPointerType WebMousePointerTypeToEventPointerType(
+    blink::WebPointerProperties::PointerType type) {
+  if (type == blink::WebPointerProperties::PointerType::Mouse)
+    return ui::EventPointerType::POINTER_TYPE_MOUSE;
+  if (type == blink::WebPointerProperties::PointerType::Pen)
+    return ui::EventPointerType::POINTER_TYPE_PEN;
+  NOTREACHED() << "Unexpected mouse event pointer type";
+  return ui::EventPointerType::POINTER_TYPE_UNKNOWN;
+}
+
 }  // namespace
 
 void SyntheticGestureTargetAura::DispatchWebMouseEventToPlatform(
       const blink::WebMouseEvent& web_mouse,

[tdresser, 2017/01/25 15:22:46]

While we're here, let's rename this to web_mouse_event, which fits with our
naming scheme a bit better.

[lanwei, 2017/01/26 02:55:40]

Done.

       const ui::LatencyInfo& latency_info) {
   ui::EventType event_type = WebMouseEventTypeToEventType(web_mouse.type());
   int flags = WebEventModifiersToEventFlags(web_mouse.modifiers());
   ui::MouseEvent mouse_event(event_type, gfx::Point(), gfx::Point(),
                              ui::EventTimeForNow(), flags, flags);
   gfx::PointF location(web_mouse.x * device_scale_factor_,
                        web_mouse.y * device_scale_factor_);
   mouse_event.set_location_f(location);
   mouse_event.set_root_location_f(location);
+  ui::PointerDetails pointer_details = mouse_event.pointer_details();
+  pointer_details.pointer_type =
+      WebMousePointerTypeToEventPointerType(web_mouse.pointerType);
+  mouse_event.set_pointer_details(pointer_details);
 
   aura::Window* window = GetWindow();
   mouse_event.ConvertLocationToTarget(window, window->GetRootWindow());
   ui::EventDispatchDetails details =
       window->GetHost()->event_processor()->OnEventFromSource(&mouse_event);
   if (details.dispatcher_destroyed)
     return;
 }
 
 SyntheticGestureParams::GestureSourceType
@@ skipping 14 matching lines @@
       ->min_distance_for_pinch_scroll_in_pixels();
 }
 
 aura::Window* SyntheticGestureTargetAura::GetWindow() const {
   aura::Window* window = render_widget_host()->GetView()->GetNativeView();
   DCHECK(window);
   return window;
 }
 
 }  // namespace content