This patch implements Chromium's Aura gesture recognizer in terms of utouch-grail and utouch-frame …

ui/aura/aura.gyp

Index: ui/aura/aura.gyp
===================================================================
--- ui/aura/aura.gyp	(revision 126124)
+++ ui/aura/aura.gyp	(working copy)
@@ -14,6 +14,10 @@
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_i18n',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+	#'../../build/linux/system.gyp:utouch_frame',
+	#'../../build/linux/system.gyp:utouch_grail',
+        '../../third_party/utouch-frame/utouch-frame.gyp:utouch-frame',
+        '../../third_party/utouch-grail/utouch-grail.gyp:utouch-grail',
         '../../skia/skia.gyp:skia',
         '../gfx/compositor/compositor.gyp:compositor',
         '../ui.gyp:gfx_resources',
@@ -62,15 +66,17 @@
         'focus_manager.h',
         'gestures/gesture_configuration.cc',
         'gestures/gesture_configuration.h',
-        'gestures/gesture_recognizer.h',
-        'gestures/gesture_recognizer_aura.cc',
+	'gestures/gesture_point.cc',	
+	'gestures/gesture_point.h',
+	'gestures/gesture_recognizer.h',	
+	'gestures/gesture_recognizer_aura.cc',
         'gestures/gesture_recognizer_aura.h',
-        'gestures/gesture_point.cc',
-        'gestures/gesture_point.h',
-        'gestures/velocity_calculator.cc',
-        'gestures/velocity_calculator.h',
-        'gestures/gesture_sequence.cc',
-        'gestures/gesture_sequence.h',
+        'gestures/gesture_recognizer_grail.cc',
+        'gestures/gesture_recognizer_grail.h',
+ 	'gestures/gesture_sequence.cc',	
+ 	'gestures/gesture_sequence.h',
+	'gestures/velocity_calculator.cc',	
+ 	'gestures/velocity_calculator.h',	
         'layout_manager.cc',
         'layout_manager.h',
         'root_window_host.h',
@@ -100,6 +106,31 @@
             ['exclude', 'client/dispatcher_client.h'],
           ],
         }],
+	['use_utouch==1', {
+	  'sources!': [
+	     'gestures/gesture_point.cc',	
+	     'gestures/gesture_point.h',	
+	     'gestures/gesture_recognizer_aura.cc',
+             'gestures/gesture_recognizer_aura.h',
+ 	     'gestures/gesture_sequence.cc',	
+ 	     'gestures/gesture_sequence.h',
+	     'gestures/velocity_calculator.cc',	
+ 	     'gestures/velocity_calculator.h',
+	  ],
+	  'defines': [
+	    'USE_UTOUCH',
+	  ],
+	  
+	}, { #use_utouch!=1
+	  'dependencies!': [
+            '../../third_party/utouch-frame/utouch-frame.gyp:utouch-frame',
+            '../../third_party/utouch-grail/utouch-grail.gyp:utouch-grail',
+          ],
+	  'sources!': [
+	     'gestures/gesture_recognizer_grail.cc',
+             'gestures/gesture_recognizer_grail.h',
+	  ],
+	}],
       ],
     },
     {
@@ -179,6 +210,7 @@
         '..',
       ],
       'sources': [
+      	'gestures/gesture_recognizer_grail_unittest.cc',
         'gestures/gesture_recognizer_unittest.cc',
         'gestures/velocity_calculator_unittest.cc',
         'test/run_all_unittests.cc',
@@ -198,6 +230,27 @@
             '<(DEPTH)/third_party/mesa/mesa.gyp:osmesa',
           ],
         }],
+	['use_utouch==1', {
+	  'sources!': [
+	    'gestures/gesture_recognizer_unittest.cc',
+            'gestures/velocity_calculator_unittest.cc',
+	  ], 
+	  'defines': [
+	    'USE_UTOUCH',
+	  ],
+	  'dependencies': [
+#            '../../build/linux/system.gyp:utouch_frame',
+            '../../third_party/utouch-frame/utouch-frame.gyp:utouch-frame',
+            '../../third_party/utouch-grail/utouch-grail.gyp:utouch-grail',
+#	    '../../build/linux/system.gyp:utouch_grail',
+	    '../../third_party/xorg-gtest/xorg-gtest.gyp:xorg-gtest',
+          ],
+	},  # use_utouch != 1
+	{
+	  'sources!': [
+	    'gestures/gesture_recognizer_grail_unittest.cc',
+	  ],
+	}],
       ],
     },
   ],