Remove WebTouchEvent from TouchEventManager APIs

third_party/WebKit/Source/platform/WebPointerEvent.cpp

+// Copyright 2017 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 "public/platform/WebPointerEvent.h"
+
+#include "public/platform/WebFloatPoint.h"
+
+namespace blink {
+
+namespace {
+
+WebInputEvent::Type PointerEventTypeForTouchPointState(
+    WebTouchPoint::State state) {
+  switch (state) {
+    case WebTouchPoint::kStateReleased:
+      return WebInputEvent::Type::kPointerUp;
+    case WebTouchPoint::kStateCancelled:
+      return WebInputEvent::Type::kPointerCancel;
+    case WebTouchPoint::kStatePressed:
+      return WebInputEvent::Type::kPointerDown;
+    case WebTouchPoint::kStateMoved:
+      return WebInputEvent::Type::kPointerMove;
+    case WebTouchPoint::kStateStationary:
+    default:
+      NOTREACHED();
+      return WebInputEvent::Type::kUndefined;
+  }
+}
+}  // namespace
+
+WebPointerEvent::WebPointerEvent(const WebTouchEvent& touch_event,
+                                 const WebTouchPoint& touch_point)
+    : WebInputEvent(sizeof(WebPointerEvent)),
+      WebPointerProperties(touch_point),
+      // TODO(crbug.com/731725): This mapping needs a times by 2.
+      width(touch_point.radius_x),
+      height(touch_point.radius_y) {
+  // WebInutEvent attributes
+  SetFrameScale(touch_event.FrameScale());
+  SetFrameTranslate(touch_event.FrameTranslate());
+  SetTimeStampSeconds(touch_event.TimeStampSeconds());
+  SetType(PointerEventTypeForTouchPointState(touch_point.state));
+  SetModifiers(touch_event.GetModifiers());
+  // WebTouchEvent attributes
+  dispatch_type = touch_event.dispatch_type;
+  moved_beyond_slop_region = touch_event.moved_beyond_slop_region;
+  touch_start_or_first_touch_move = touch_event.touch_start_or_first_touch_move;
+  // WebTouchPoint attributes
+  rotation_angle = touch_point.rotation_angle;
+}
+
+WebPointerEvent WebPointerEvent::WebPointerEventInRootFrame() const {
+  WebPointerEvent transformed_event = *this;
+  transformed_event.width /= frame_scale_;
+  transformed_event.height /= frame_scale_;
+  transformed_event.movement_x /= frame_scale_;
+  transformed_event.movement_y /= frame_scale_;
+  transformed_event.position_in_widget_ =
+      WebFloatPoint((transformed_event.PositionInWidget().x / frame_scale_) +
+                        frame_translate_.x,
+                    (transformed_event.PositionInWidget().y / frame_scale_) +
+                        frame_translate_.y);
+  return transformed_event;
+}
+
+}  // namespace blink