/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* 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/. */
/** * This class extracts the hit testing information (area, flags, ViewId) from * Gecko display items and pushes them into WebRender display list. * * The hit testing information is deduplicated: a new hit test item is only * added if the new area is not contained in the previous area, or if the flags, * ViewId, or current spatial id is different.
*/ class HitTestInfoManager { public:
HitTestInfoManager();
/** * Resets the previous hit testing information.
*/ void Reset();
/** * Extracts the hit testing information from |aItem|, and if necessary, adds * a new WebRender hit test item using |aBuilder|. * * Returns true if a hit test item was pushed.
*/ bool ProcessItem(nsDisplayItem* aItem, wr::DisplayListBuilder& aBuilder,
nsDisplayListBuilder* aDisplayListBuilder);
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