Port of Android platform gesture detection code to C++

ui/events/gesture_detection/mock_motion_event.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 "ui/events/gesture_detection/mock_motion_event.h"
+
+using base::TimeTicks;
+
+namespace ui {
+namespace {
+const float kTouchMajor = 10.f;
+}  // namespace
+
+MockMotionEvent::MockMotionEvent(Action action,
+                                 TimeTicks time,
+                                 float x,
+                                 float y)
+    : action(action), pointer_count(1), time(time) {
+  points[0].SetPoint(x, y);
+}
+
+MockMotionEvent::MockMotionEvent(Action action,
+                                 TimeTicks time,
+                                 float x0,
+                                 float y0,
+                                 float x1,
+                                 float y1)
+    : action(action), pointer_count(2), time(time) {
+  points[0].SetPoint(x0, y0);
+  points[1].SetPoint(x1, y1);
+}
+
+MockMotionEvent::MockMotionEvent(const MockMotionEvent& other)
+    : action(other.action),
+      pointer_count(other.pointer_count),
+      time(other.time) {
+  points[0] = other.points[0];
+  points[1] = other.points[1];
+}
+
+MockMotionEvent::~MockMotionEvent() {}
+
+MotionEvent::Action MockMotionEvent::GetAction() const { return action; }
+
+int MockMotionEvent::GetActionIndex() const {
+  return static_cast<int>(pointer_count) - 1;
+}
+
+size_t MockMotionEvent::GetPointerCount() const { return pointer_count; }
+
+int MockMotionEvent::GetPointerId(size_t pointer_index) const {
+  return static_cast<int>(pointer_index);
+}
+
+float MockMotionEvent::GetX(size_t pointer_index) const {
+  return points[pointer_index].x();
+}
+
+float MockMotionEvent::GetY(size_t pointer_index) const {
+  return points[pointer_index].y();
+}
+
+float MockMotionEvent::GetTouchMajor(size_t pointer_index) const {
+  return kTouchMajor;
+}
+
+TimeTicks MockMotionEvent::GetEventTime() const { return time; }
+
+size_t MockMotionEvent::GetHistorySize() const { return 0; }
+
+TimeTicks MockMotionEvent::GetHistoricalEventTime(
+    size_t historical_index) const {
+  return TimeTicks();
+}
+
+float MockMotionEvent::GetHistoricalTouchMajor(size_t pointer_index,
+                                               size_t historical_index) const {
+  return 0;
+}
+
+float MockMotionEvent::GetHistoricalX(size_t pointer_index,
+                                      size_t historical_index) const {
+  return 0;
+}
+
+float MockMotionEvent::GetHistoricalY(size_t pointer_index,
+                                      size_t historical_index) const {
+  return 0;
+}
+
+scoped_ptr<MotionEvent> MockMotionEvent::Clone() const {
+  return scoped_ptr<MotionEvent>(new MockMotionEvent(*this));
+}
+
+scoped_ptr<MotionEvent> MockMotionEvent::Cancel() const {
+  scoped_ptr<MockMotionEvent> cancel_event(new MockMotionEvent(*this));
+  cancel_event->action = MotionEvent::ACTION_CANCEL;
+  return cancel_event.PassAs<MotionEvent>();
+}
+
+}  // namespace ui