1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/test/web_gesture_curve_mock.h"
6
7#include "content/test/weburl_loader_mock_factory.h"
8#include "third_party/WebKit/public/platform/WebFloatSize.h"
9#include "third_party/WebKit/public/platform/WebGestureCurveTarget.h"
10
11WebGestureCurveMock::WebGestureCurveMock(const blink::WebFloatPoint& velocity,
12    const blink::WebSize& cumulative_scroll)
13    : velocity_(velocity),
14      cumulative_scroll_(cumulative_scroll) {
15}
16
17WebGestureCurveMock::~WebGestureCurveMock() {
18}
19
20bool WebGestureCurveMock::apply(double time,
21                                blink::WebGestureCurveTarget* target) {
22  blink::WebSize displacement(velocity_.x * time, velocity_.y * time);
23  blink::WebFloatSize increment(displacement.width - cumulative_scroll_.width,
24      displacement.height - cumulative_scroll_.height);
25  cumulative_scroll_ = displacement;
26  blink::WebFloatSize velocity(velocity_.x, velocity_.y);
27  // scrollBy() could delete this curve if the animation is over, so don't
28  // touch any member variables after making that call.
29  target->scrollBy(increment, velocity);
30  return true;
31}
32