Move fling_curve_configuration.* to content/child/

BUG=338338
TBR=darin@chromium.org

Review URL: https://codereview.chromium.org/159503004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253028 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/content/child/fling_curve_configuration.cc b/content/child/fling_curve_configuration.cc
new file mode 100644
index 0000000..799511a
--- /dev/null
+++ b/content/child/fling_curve_configuration.cc
@@ -0,0 +1,56 @@
+// 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/child/fling_curve_configuration.h"
+
+#include "base/logging.h"
+#include "third_party/WebKit/public/platform/WebGestureCurve.h"
+#include "webkit/child/touch_fling_gesture_curve.h"
+
+namespace content {
+
+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;
+}
+
+blink::WebGestureCurve* FlingCurveConfiguration::CreateCore(
+    const std::vector<float>& coefs,
+    const blink::WebFloatPoint& velocity,
+    const blink::WebSize& cumulativeScroll) {
+  float p0, p1, p2;
+
+  {
+    base::AutoLock scoped_lock(lock_);
+    p0 = coefs[0];
+    p1 = coefs[1];
+    p2 = coefs[2];
+  }
+
+  return webkit_glue::TouchFlingGestureCurve::Create(velocity, p0, p1, p2,
+      cumulativeScroll);
+}
+
+blink::WebGestureCurve* FlingCurveConfiguration::CreateForTouchPad(
+    const blink::WebFloatPoint& velocity,
+    const blink::WebSize& cumulativeScroll) {
+  return CreateCore(touchpad_coefs_, velocity, cumulativeScroll);
+}
+
+blink::WebGestureCurve* FlingCurveConfiguration::CreateForTouchScreen(
+    const blink::WebFloatPoint& velocity,
+    const blink::WebSize& cumulativeScroll) {
+  return CreateCore(touchscreen_coefs_, velocity, cumulativeScroll);
+}
+
+} // namespace content