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// Copyright (c) 2013 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 "webkit/glue/fling_curve_configuration.h"
#include "base/logging.h"
#include "third_party/WebKit/public/platform/WebGestureCurve.h"
#include "webkit/glue/touch_fling_gesture_curve.h"
namespace webkit_glue {
FlingCurveConfiguration::FlingCurveConfiguration() { }
FlingCurveConfiguration::~FlingCurveConfiguration() { }
void FlingCurveConfiguration::SetCurveParameters(
const std::vector<float>& new_touchpad,
const std::vector<float>& new_touchscreen) {
DCHECK(new_touchpad.size() >= 3);
DCHECK(new_touchscreen.size() >= 3);
base::AutoLock scoped_lock(lock_);
touchpad_coefs_ = new_touchpad;
touchscreen_coefs_ = new_touchscreen;
}
WebKit::WebGestureCurve* FlingCurveConfiguration::CreateCore(
const std::vector<float>& coefs,
const WebKit::WebFloatPoint& velocity,
const WebKit::WebSize& cumulativeScroll) {
float p0, p1, p2;
{
base::AutoLock scoped_lock(lock_);
p0 = coefs[0];
p1 = coefs[1];
p2 = coefs[2];
}
return TouchFlingGestureCurve::Create(velocity, p0, p1, p2, cumulativeScroll);
}
WebKit::WebGestureCurve* FlingCurveConfiguration::CreateForTouchPad(
const WebKit::WebFloatPoint& velocity,
const WebKit::WebSize& cumulativeScroll) {
return CreateCore(touchpad_coefs_, velocity, cumulativeScroll);
}
WebKit::WebGestureCurve* FlingCurveConfiguration::CreateForTouchScreen(
const WebKit::WebFloatPoint& velocity,
const WebKit::WebSize& cumulativeScroll) {
return CreateCore(touchscreen_coefs_, velocity, cumulativeScroll);
}
} // namespace webkit_glue
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