Ozone X11 platform

ui/events/devices/x11/touch_factory_x11.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 "ui/events/devices/x11/touch_factory_x11.h"
 
 #include <X11/Xatom.h>
 #include <X11/cursorfont.h>
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XInput2.h>
@@ skipping 138 matching lines @@
               reinterpret_cast<XITouchClassInfo*>(xiclassinfo);
           // Only care direct touch device (such as touch screen) right now
           if (tci->mode == XIDirectTouch)
             CacheTouchscreenIds(display, devinfo->deviceid);
         }
       }
     }
   }
 }
 
-bool TouchFactory::ShouldProcessXI2Event(XEvent* xev) {
+bool TouchFactory::ShouldProcessXI2Event(const XEvent* xev) {
   DCHECK_EQ(GenericEvent, xev->type);
-  XIEvent* event = static_cast<XIEvent*>(xev->xcookie.data);
-  XIDeviceEvent* xiev = reinterpret_cast<XIDeviceEvent*>(event);
+  const XIEvent* event = static_cast<const XIEvent*>(xev->xcookie.data);
+  const XIDeviceEvent* xiev = reinterpret_cast<const XIDeviceEvent*>(event);
 
   if (event->evtype == XI_TouchBegin ||
       event->evtype == XI_TouchUpdate ||
       event->evtype == XI_TouchEnd) {
     return !touch_events_disabled_ && IsTouchDevice(xiev->deviceid);
   }
 
   // Make sure only key-events from the virtual core keyboard are processed.
   if (event->evtype == XI_KeyPress || event->evtype == XI_KeyRelease) {
     return (virtual_core_keyboard_device_ < 0) ||
@@ skipping 165 matching lines @@
       if (ptr[0] || ptr[1])
         touchscreen_ids_.insert(std::make_pair(ptr[0], ptr[1]));
     }
     XFree(prop_return);
   }
 
   XCloseDevice(display, device);
 }
 
 }  // namespace ui