The Tor Browser: layout/ipc/RenderFrameUtils.h@7e26c7da4463

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  * vim: sw=2 ts=8 et :

     3  */

     4 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     6  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #ifndef mozilla_layer_RenderFrameUtils_h

     9 #define mozilla_layer_RenderFrameUtils_h

    11 #include "ipc/IPCMessageUtils.h"

    13 namespace mozilla {

    14 namespace layout {

    16 enum ScrollingBehavior {

    17   /**

    18    * Use default scrolling behavior, which is synchronous: web content

    19    * is reflowed and repainted for every scroll or zoom.

    20    */

    21   DEFAULT_SCROLLING,

    22   /**

    23    * Use asynchronous panning and zooming, in which prerendered

    24    * content can be translated and scaled independently of the thread

    25    * painting content, without content reflowing or repainting.

    26    */

    27   ASYNC_PAN_ZOOM,

    28   SCROLLING_BEHAVIOR_SENTINEL

    29 };

    31 } // namespace layout

    32 } // namespace mozilla

    34 namespace IPC {

    36 template <>

    37 struct ParamTraits<mozilla::layout::ScrollingBehavior>

    38   : public ContiguousEnumSerializer<

    39              mozilla::layout::ScrollingBehavior,

    40              mozilla::layout::DEFAULT_SCROLLING,

    41              mozilla::layout::SCROLLING_BEHAVIOR_SENTINEL>

    42 {};

    44 } // namespace IPC

    46 #endif // mozilla_layer_RenderFrameUtils_h

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