Initial views touchui Gesture Recognizer support

ui/views/events/event.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_VIEWS_EVENTS_EVENT_H_
 #define UI_VIEWS_EVENTS_EVENT_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/time.h"
@@ skipping 44 matching lines @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 class VIEWS_EXPORT Event {
  public:
   const NativeEvent& native_event() const { return native_event_; }
 #if defined(TOOLKIT_USES_GTK)
   GdkEvent* gdk_event() const { return gdk_event_; }
 #endif
   ui::EventType type() const { return type_; }
   const base::Time& time_stamp() const { return time_stamp_; }
+
+  // Required for Gesture testing purposes.
+  void set_time_stamp(base::Time time_stamp) { time_stamp_ = time_stamp; }
+
   int flags() const { return flags_; }
   void set_flags(int flags) { flags_ = flags; }
 
   // The following methods return true if the respective keys were pressed at
   // the time the event was created.
   bool IsShiftDown() const { return (flags_ & ui::EF_SHIFT_DOWN) != 0; }
   bool IsControlDown() const { return (flags_ & ui::EF_CONTROL_DOWN) != 0; }
   bool IsCapsLockDown() const { return (flags_ & ui::EF_CAPS_LOCK_DOWN) != 0; }
   bool IsAltDown() const { return (flags_ & ui::EF_ALT_DOWN) != 0; }
 
@@ skipping 337 matching lines @@
   float x_offset() const { return x_offset_; }
   float y_offset() const { return y_offset_; }
 
  private:
   float x_offset_;
   float y_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(ScrollEvent);
 };
 
+////////////////////////////////////////////////////////////////////////////////
+// GestureEvent class
+//
+////////////////////////////////////////////////////////////////////////////////
+class VIEWS_EXPORT GestureEvent : public LocatedEvent {
+ public:
+  GestureEvent(ui::EventType type,
+               int x,
+               int y,
+               int flags,
+               base::Time time_stamp,
+               float delta_x,
+               float delta_y);
+
+  // Create a new GestureEvent which is identical to the provided model.
+  // If source / target views are provided, the model location will be converted
+  // from |source| coordinate system to |target| coordinate system.
+  GestureEvent(const GestureEvent& model, View* source, View* target);
+
+  float delta_x() const { return delta_x_; }
+  float delta_y() const { return delta_y_; }
+
+ private:
+  friend class internal::RootView;
+
+  GestureEvent(const GestureEvent& model, View* root);
+
+  float delta_x_;
+  float delta_y_;
+
+  DISALLOW_COPY_AND_ASSIGN(GestureEvent);
+};
+
 }  // namespace views
 
 #endif  // UI_VIEWS_EVENTS_EVENT_H_