1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/ipc/RenderFrameUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.9 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#ifndef mozilla_layer_RenderFrameUtils_h
1.12 +#define mozilla_layer_RenderFrameUtils_h
1.13 +
1.14 +#include "ipc/IPCMessageUtils.h"
1.15 +
1.16 +namespace mozilla {
1.17 +namespace layout {
1.18 +
1.19 +enum ScrollingBehavior {
1.20 + /**
1.21 + * Use default scrolling behavior, which is synchronous: web content
1.22 + * is reflowed and repainted for every scroll or zoom.
1.23 + */
1.24 + DEFAULT_SCROLLING,
1.25 + /**
1.26 + * Use asynchronous panning and zooming, in which prerendered
1.27 + * content can be translated and scaled independently of the thread
1.28 + * painting content, without content reflowing or repainting.
1.29 + */
1.30 + ASYNC_PAN_ZOOM,
1.31 + SCROLLING_BEHAVIOR_SENTINEL
1.32 +};
1.33 +
1.34 +} // namespace layout
1.35 +} // namespace mozilla
1.36 +
1.37 +namespace IPC {
1.38 +
1.39 +template <>
1.40 +struct ParamTraits<mozilla::layout::ScrollingBehavior>
1.41 + : public ContiguousEnumSerializer<
1.42 + mozilla::layout::ScrollingBehavior,
1.43 + mozilla::layout::DEFAULT_SCROLLING,
1.44 + mozilla::layout::SCROLLING_BEHAVIOR_SENTINEL>
1.45 +{};
1.46 +
1.47 +} // namespace IPC
1.48 +
1.49 +#endif // mozilla_layer_RenderFrameUtils_h
