Revert 236254 "Replace old with new synthetic gesture framework."

trunk/src/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.cc

Index: trunk/src/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.cc
===================================================================
--- trunk/src/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.cc	(revision 236262)
+++ trunk/src/content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.cc	(working copy)
@@ -1,108 +0,0 @@
-// 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_smooth_scroll_gesture.h"
-
-#include <cmath>
-
-#include "content/common/input/input_event.h"
-#include "ui/events/latency_info.h"
-
-namespace content {
-
-SyntheticSmoothScrollGesture::SyntheticSmoothScrollGesture(
-    const SyntheticSmoothScrollGestureParams& params)
-    : params_(params), current_y_(params_.anchor.y()) {}
-
-SyntheticSmoothScrollGesture::~SyntheticSmoothScrollGesture() {}
-
-SyntheticGesture::Result SyntheticSmoothScrollGesture::ForwardInputEvents(
-    const base::TimeDelta& interval, SyntheticGestureTarget* target) {
-
-  SyntheticGestureParams::GestureSourceType source =
-      params_.gesture_source_type;
-  if (source == SyntheticGestureParams::DEFAULT_INPUT)
-    source = target->GetDefaultSyntheticGestureSourceType();
-
-  if (!target->SupportsSyntheticGestureSourceType(source))
-    return SyntheticGesture::GESTURE_SOURCE_TYPE_NOT_SUPPORTED_BY_PLATFORM;
-
-  if (source == SyntheticGestureParams::TOUCH_INPUT)
-    return ForwardTouchInputEvents(interval, target);
-  else if (source == SyntheticGestureParams::MOUSE_INPUT)
-    return ForwardMouseInputEvents(interval, target);
-  else
-    return SyntheticGesture::GESTURE_SOURCE_TYPE_NOT_IMPLEMENTED;
-}
-
-SyntheticGesture::Result SyntheticSmoothScrollGesture::ForwardTouchInputEvents(
-    const base::TimeDelta& interval, SyntheticGestureTarget* target) {
-  if (HasFinished())
-    return SyntheticGesture::GESTURE_FINISHED;
-
-  if (current_y_ == params_.anchor.y()) {
-    touch_event_.PressPoint(params_.anchor.x(), current_y_);
-    ForwardTouchEvent(target);
-  }
-
-  current_y_ += GetPositionDelta(interval);
-  touch_event_.MovePoint(0, params_.anchor.x(), current_y_);
-  ForwardTouchEvent(target);
-
-  if (HasFinished()) {
-    touch_event_.ReleasePoint(0);
-    ForwardTouchEvent(target);
-    return SyntheticGesture::GESTURE_FINISHED;
-  }
-
-  return SyntheticGesture::GESTURE_RUNNING;
-}
-
-SyntheticGesture::Result SyntheticSmoothScrollGesture::ForwardMouseInputEvents(
-    const base::TimeDelta& interval, SyntheticGestureTarget* target) {
-  if (HasFinished())
-    return SyntheticGesture::GESTURE_FINISHED;
-
-  float delta = GetPositionDelta(interval);
-  current_y_ += delta;
-  ForwardMouseWheelEvent(target, delta);
-
-  if (HasFinished())
-    return SyntheticGesture::GESTURE_FINISHED;
-
-  return SyntheticGesture::GESTURE_RUNNING;
-}
-
-void SyntheticSmoothScrollGesture::ForwardTouchEvent(
-    SyntheticGestureTarget* target) {
-  target->DispatchInputEventToPlatform(
-      InputEvent(touch_event_, ui::LatencyInfo(), false));
-}
-
-void SyntheticSmoothScrollGesture::ForwardMouseWheelEvent(
-    SyntheticGestureTarget* target, float delta) {
-  blink::WebMouseWheelEvent mouse_wheel_event =
-      SyntheticWebMouseWheelEventBuilder::Build(0, delta, 0, false);
-
-  mouse_wheel_event.x = params_.anchor.x();
-  mouse_wheel_event.y = params_.anchor.y();
-
-  target->DispatchInputEventToPlatform(
-      InputEvent(mouse_wheel_event, ui::LatencyInfo(), false));
-}
-
-float SyntheticSmoothScrollGesture::GetPositionDelta(
-    const base::TimeDelta& interval) {
-  float delta = params_.speed_in_pixels_s * interval.InSecondsF();
-  // A positive value indicates scrolling down, which means the touch pointer
-  // moves up or the scroll wheel moves down. In either case, the delta is
-  // negative when scrolling down and positive when scrolling up.
-  return (params_.distance > 0) ? -delta : delta;
-}
-
-bool SyntheticSmoothScrollGesture::HasFinished() {
-  return abs(current_y_ - params_.anchor.y()) >= abs(params_.distance);
-}
-
-}  // namespace content