Replace old with new synthetic gesture framework.

content/browser/renderer_host/touch_smooth_scroll_gesture_aura.cc

-// Copyright (c) 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/touch_smooth_scroll_gesture_aura.h"
-
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/window.h"
-#include "ui/events/event.h"
-#include "ui/events/event_utils.h"
-#include "ui/gfx/transform.h"
-
-namespace {
-
-void InjectTouchEvent(const gfx::Point& location,
-                      ui::EventType type,
-                      aura::Window* window) {
-  gfx::Point screen_location = location;
-  aura::Window* root_window = window->GetRootWindow();
-  // First convert the location from Window to RootWindow.
-  aura::Window::ConvertPointToTarget(window, root_window, &screen_location);
-  // Then convert the location from RootWindow to screen.
-  aura::WindowEventDispatcher* dispatcher = root_window->GetDispatcher();
-  dispatcher->ConvertPointToHost(&screen_location);
-  ui::TouchEvent touch(type, screen_location, 0, 0, ui::EventTimeForNow(),
-                       1.0f, 1.0f, 1.0f, 1.0f);
-  dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&touch);
-}
-
-}  // namespace
-
-namespace content {
-
-TouchSmoothScrollGestureAura::TouchSmoothScrollGestureAura(bool scroll_down,
-                                                           int pixels_to_scroll,
-                                                           int mouse_event_x,
-                                                           int mouse_event_y,
-                                                           aura::Window* window)
-    : scroll_down_(scroll_down),
-      pixels_to_scroll_(pixels_to_scroll),
-      pixels_scrolled_(0),
-      location_(mouse_event_x, mouse_event_y),
-      window_(window) {
-}
-
-TouchSmoothScrollGestureAura::~TouchSmoothScrollGestureAura() {}
-
-bool TouchSmoothScrollGestureAura::ForwardInputEvents(
-    base::TimeTicks now,
-    RenderWidgetHost* host) {
-  if (pixels_scrolled_ >= pixels_to_scroll_)
-    return false;
-
-  RenderWidgetHostImpl* host_impl = RenderWidgetHostImpl::From(host);
-  float position_delta = synthetic_gesture_calculator_.GetDelta(now,
-      host_impl->GetSyntheticGestureMessageInterval());
-
-  if (pixels_scrolled_ == 0) {
-    InjectTouchEvent(location_, ui::ET_TOUCH_PRESSED, window_);
-  }
-
-  location_.Offset(0, scroll_down_ ? -position_delta : position_delta);
-    InjectTouchEvent(location_, ui::ET_TOUCH_MOVED, window_);
-
-  pixels_scrolled_ += abs(position_delta);
-
-  if (pixels_scrolled_ >= pixels_to_scroll_) {
-    InjectTouchEvent(location_, ui::ET_TOUCH_RELEASED, window_);
-  }
-
-  return true;
-}
-
-}  // namespace content