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