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1 // Copyright (c) 2012 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 "webkit/support/web_gesture_curve_mock.h" | |
6 | |
7 #include "third_party/WebKit/public/platform/WebFloatSize.h" | |
8 #include "third_party/WebKit/public/platform/WebGestureCurveTarget.h" | |
9 #include "webkit/support/weburl_loader_mock_factory.h" | |
10 | |
11 WebGestureCurveMock::WebGestureCurveMock(const WebKit::WebFloatPoint& velocity, | |
12 const WebKit::WebSize& cumulative_scroll) | |
13 : velocity_(velocity), | |
14 cumulative_scroll_(cumulative_scroll) { | |
15 } | |
16 | |
17 WebGestureCurveMock::~WebGestureCurveMock() { | |
18 } | |
19 | |
20 bool WebGestureCurveMock::apply(double time, | |
21 WebKit::WebGestureCurveTarget* target) { | |
22 WebKit::WebSize displacement(velocity_.x * time, velocity_.y * time); | |
23 WebKit::WebFloatSize increment(displacement.width - cumulative_scroll_.width, | |
24 displacement.height - cumulative_scroll_.height); | |
25 cumulative_scroll_ = displacement; | |
26 target->notifyCurrentFlingVelocity(WebKit::WebFloatSize(velocity_.x, | |
27 velocity_.y)); | |
28 // scrollBy() could delete this curve if the animation is over, so don't | |
29 // touch any member variables after making that call. | |
30 target->scrollBy(increment); | |
31 return true; | |
32 } | |
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