1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/browser/renderer_host/input/synthetic_gesture.h" 6 7 #include "base/logging.h" 8 #include "content/browser/renderer_host/input/synthetic_gesture_target.h" 9 #include "content/browser/renderer_host/input/synthetic_pinch_gesture.h" 10 #include "content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.h" 11 #include "content/browser/renderer_host/input/synthetic_tap_gesture.h" 12 13 namespace content { 14 namespace { 15 16 template <typename GestureType, typename GestureParamsType> CreateGesture(const SyntheticGestureParams & gesture_params)17static scoped_ptr<SyntheticGesture> CreateGesture( 18 const SyntheticGestureParams& gesture_params) { 19 return scoped_ptr<SyntheticGesture>( 20 new GestureType(*GestureParamsType::Cast(&gesture_params))); 21 } 22 23 } // namespace 24 SyntheticGesture()25SyntheticGesture::SyntheticGesture() {} 26 ~SyntheticGesture()27SyntheticGesture::~SyntheticGesture() {} 28 Create(const SyntheticGestureParams & gesture_params)29scoped_ptr<SyntheticGesture> SyntheticGesture::Create( 30 const SyntheticGestureParams& gesture_params) { 31 switch (gesture_params.GetGestureType()) { 32 case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE: 33 return CreateGesture<SyntheticSmoothScrollGesture, 34 SyntheticSmoothScrollGestureParams>(gesture_params); 35 case SyntheticGestureParams::PINCH_GESTURE: 36 return CreateGesture<SyntheticPinchGesture, 37 SyntheticPinchGestureParams>(gesture_params); 38 case SyntheticGestureParams::TAP_GESTURE: 39 return CreateGesture<SyntheticTapGesture, 40 SyntheticTapGestureParams>(gesture_params); 41 } 42 NOTREACHED() << "Invalid synthetic gesture type"; 43 return scoped_ptr<SyntheticGesture>(); 44 } 45 46 // static ConvertTimestampToSeconds(const base::TimeTicks & timestamp)47double SyntheticGesture::ConvertTimestampToSeconds( 48 const base::TimeTicks& timestamp) { 49 return (timestamp - base::TimeTicks()).InSecondsF(); 50 } 51 52 } // namespace content 53