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113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/* -*- 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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/* ***** 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 Code.
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*
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* The Initial Developer of the Original Code is
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* The 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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* Chris Jones <jones.chris.g@gmail.com>
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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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#include "ShadowLayersParent.h"
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#include "ShadowLayerParent.h"
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#include "ShadowLayers.h"
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#include "BasicLayers.h"
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namespace mozilla {
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namespace layers {
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ShadowLayerParent::ShadowLayerParent() : mLayer(NULL)
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{
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}
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ShadowLayerParent::~ShadowLayerParent()
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{
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}
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void
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ShadowLayerParent::Bind(Layer* layer)
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{
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mLayer = layer;
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}
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void
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ShadowLayerParent::Destroy()
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{
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// It's possible for Destroy() to come in just after this has been
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// created, but just before the transaction in which Bind() would
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// have been called. In that case, we'll ignore shadow-layers
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// transactions from there on and never get a layer here.
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if (mLayer) {
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mLayer->Disconnect();
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}
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}
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ContainerLayer*
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ShadowLayerParent::AsContainer() const
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{
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return static_cast<ContainerLayer*>(AsLayer());
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}
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void
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ShadowLayerParent::ActorDestroy(ActorDestroyReason why)
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{
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switch (why) {
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case AncestorDeletion:
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NS_RUNTIMEABORT("shadow layer deleted out of order!");
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return; // unreached
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case Deletion:
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// See comment near Destroy() above.
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if (mLayer) {
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mLayer->Disconnect();
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}
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break;
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case AbnormalShutdown:
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case NormalShutdown:
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// let IPDL-generated code automatically clean up Shmems and so
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// forth; our channel is disconnected anyway
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break;
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case FailedConstructor:
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NS_RUNTIMEABORT("FailedConstructor isn't possible in PLayers");
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return; // unreached
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}
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mLayer = NULL;
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}
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} // namespace layers
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} // namespace mozilla
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