Adding synthetic touch/mouse drag [Part1]

content/browser/renderer_host/input/synthetic_gesture.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.h"
 
 #include "base/logging.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
 #include "content/browser/renderer_host/input/synthetic_pinch_gesture.h"
+#include "content/browser/renderer_host/input/synthetic_smooth_drag_gesture.h"
 #include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.h"
 #include "content/browser/renderer_host/input/synthetic_tap_gesture.h"
 
 namespace content {
 namespace {
 
 template <typename GestureType, typename GestureParamsType>
 static scoped_ptr<SyntheticGesture> CreateGesture(
     const SyntheticGestureParams& gesture_params) {
   return scoped_ptr<SyntheticGesture>(
       new GestureType(*GestureParamsType::Cast(&gesture_params)));
 }
 
 }  // namespace
 
 SyntheticGesture::SyntheticGesture() {}
 
 SyntheticGesture::~SyntheticGesture() {}
 
 scoped_ptr<SyntheticGesture> SyntheticGesture::Create(
     const SyntheticGestureParams& gesture_params) {
   switch (gesture_params.GetGestureType()) {
     case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
       return CreateGesture<SyntheticSmoothScrollGesture,
                            SyntheticSmoothScrollGestureParams>(gesture_params);
+    case SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
+      return CreateGesture<SyntheticSmoothDragGesture,
+                           SyntheticSmoothDragGestureParams>(gesture_params);
     case SyntheticGestureParams::PINCH_GESTURE:
       return CreateGesture<SyntheticPinchGesture,
                            SyntheticPinchGestureParams>(gesture_params);
     case SyntheticGestureParams::TAP_GESTURE:
       return CreateGesture<SyntheticTapGesture,
                            SyntheticTapGestureParams>(gesture_params);
   }
   NOTREACHED() << "Invalid synthetic gesture type";
   return scoped_ptr<SyntheticGesture>();
 }
 
 // static
 double SyntheticGesture::ConvertTimestampToSeconds(
     const base::TimeTicks& timestamp) {
   return (timestamp - base::TimeTicks()).InSecondsF();
 }
 
 }  // namespace content