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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_layer_RenderFrameUtils_h
#define mozilla_layer_RenderFrameUtils_h
namespace mozilla {
namespace layout {
enum ScrollingBehavior {
/**
* Use default scrolling behavior, which is synchronous: web content
* is reflowed and repainted for every scroll or zoom.
*/
DEFAULT_SCROLLING,
/**
* Use asynchronous panning and zooming, in which prerendered
* content can be translated and scaled independently of the thread
* painting content, without content reflowing or repainting.
*/
ASYNC_PAN_ZOOM,
SCROLLING_BEHAVIOR_SENTINEL
};
} // namespace layout
} // namespace mozilla
namespace IPC {
template <>
struct ParamTraits<mozilla::layout::ScrollingBehavior>
: public EnumSerializer<mozilla::layout::ScrollingBehavior,
mozilla::layout::DEFAULT_SCROLLING,
mozilla::layout::SCROLLING_BEHAVIOR_SENTINEL>
{};
} // namespace IPC
#endif // mozilla_layer_RenderFrameUtils_h