зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
3.0 KiB
C
78 строки
3.0 KiB
C
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Robert O'Callahan <robert@ocallahan.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef FRAMELAYERBUILDER_H_
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#define FRAMELAYERBUILDER_H_
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#include "Layers.h"
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class nsDisplayListBuilder;
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class nsDisplayList;
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class nsDisplayItem;
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namespace mozilla {
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class FrameLayerBuilder {
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public:
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typedef mozilla::layers::Layer Layer;
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typedef mozilla::layers::ThebesLayer ThebesLayer;
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typedef mozilla::layers::LayerManager LayerManager;
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/**
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* Create a container layer for a display item that contains a child
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* list, either reusing an existing one or creating a new one.
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* aContainer may be null, in which case we construct a root layer.
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*/
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already_AddRefed<Layer> MakeContainerLayerFor(nsDisplayListBuilder* aBuilder,
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LayerManager* aManager,
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nsDisplayItem* aContainer,
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const nsDisplayList& aChildren);
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/**
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* This callback must be provided to EndTransaction. The callback data
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* must be the nsDisplayListBuilder containing this FrameLayerBuilder.
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*/
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static void DrawThebesLayer(ThebesLayer* aLayer,
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gfxContext* aContext,
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const nsIntRegion& aRegionToDraw,
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void* aCallbackData);
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};
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}
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#endif /* FRAMELAYERBUILDER_H_ */
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