[Android] Out with the Android GR, in with the new unified C++ GR

content/browser/renderer_host/input/gesture_event_packet.cc

-// Copyright 2014 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/gesture_event_packet.h"
-
-#include "base/logging.h"
-
-using blink::WebGestureEvent;
-using blink::WebInputEvent;
-using blink::WebTouchEvent;
-using blink::WebTouchPoint;
-
-namespace content {
-namespace {
-
-GestureEventPacket::GestureSource ToGestureSource(const WebTouchEvent& event) {
-  if (!event.touchesLength)
-    return GestureEventPacket::INVALID;
-  switch (event.type) {
-    case WebInputEvent::TouchStart:
-      for (size_t i = 0; i < event.touchesLength; i++) {
-        if (event.touches[i].state != WebTouchPoint::StatePressed)
-          return GestureEventPacket::TOUCH_START;
-      }
-      return GestureEventPacket::TOUCH_SEQUENCE_START;
-    case WebInputEvent::TouchMove:
-      return GestureEventPacket::TOUCH_MOVE;
-    case WebInputEvent::TouchEnd:
-    case WebInputEvent::TouchCancel:
-      for (size_t i = 0; i < event.touchesLength; i++) {
-        if (event.touches[i].state != WebTouchPoint::StateReleased &&
-            event.touches[i].state != WebTouchPoint::StateCancelled) {
-          return GestureEventPacket::TOUCH_END;
-        }
-      }
-      return GestureEventPacket::TOUCH_SEQUENCE_END;
-    default:
-      return GestureEventPacket::INVALID;
-  }
-}
-
-}  // namespace
-
-GestureEventPacket::GestureEventPacket()
-    : gesture_count_(0),
-      gesture_source_(UNDEFINED) {}
-
-GestureEventPacket::GestureEventPacket(GestureSource source)
-    : gesture_count_(0),
-      gesture_source_(source) {
-  DCHECK_NE(gesture_source_, UNDEFINED);
-}
-
-GestureEventPacket::GestureEventPacket(const GestureEventPacket& other)
-    : gesture_count_(other.gesture_count_),
-      gesture_source_(other.gesture_source_) {
-  std::copy(other.gestures_, other.gestures_ + other.gesture_count_, gestures_);
-}
-
-GestureEventPacket::~GestureEventPacket() {}
-
-GestureEventPacket& GestureEventPacket::operator=(
-    const GestureEventPacket& other) {
-  gesture_count_ = other.gesture_count_;
-  gesture_source_ = other.gesture_source_;
-  std::copy(other.gestures_, other.gestures_ + other.gesture_count_, gestures_);
-  return *this;
-}
-
-void GestureEventPacket::Push(const blink::WebGestureEvent& gesture) {
-  DCHECK(WebInputEvent::isGestureEventType(gesture.type));
-  CHECK_LT(gesture_count_, static_cast<size_t>(kMaxGesturesPerTouch));
-  gestures_[gesture_count_++] = gesture;
-}
-
-GestureEventPacket GestureEventPacket::FromTouch(const WebTouchEvent& event) {
-  return GestureEventPacket(ToGestureSource(event));
-}
-
-GestureEventPacket GestureEventPacket::FromTouchTimeout(
-    const WebGestureEvent& event) {
-  GestureEventPacket packet(TOUCH_TIMEOUT);
-  packet.Push(event);
-  return packet;
-}
-
-}  // namespace content