blob: 6d6672cbd26b87d0664ea4b4f52954b429f774be [file] [log] [blame]
// Copyright (c) 2012 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 "base/time.h"
namespace content {
class RenderWidgetHost;
// This is a base class representing a single scroll gesture. These gestures are
// paired with the rendering benchmarking system to (automatically) measure how
// smoothnly chrome is responding to user input.
class SmoothScrollGesture {
virtual ~SmoothScrollGesture() {}
// When called, the gesture should compute its state at the provided timestamp
// and send the right input events to the provided RenderWidgetHost to
// simulate the gesture having run up to that point in time.
// This function should return true until the gesture is over. A false return
// value will stop ticking the gesture and clean it up.
virtual bool ForwardInputEvents(base::TimeTicks now,
RenderWidgetHost* host) = 0;
} // namespace content