LCOV - code coverage report
Current view: directory - gfx/layers/ipc - ShadowLayerParent.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 24 0 0.0 %
Date: 2012-06-02 Functions: 7 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  * vim: sw=2 ts=8 et :
       3                 :  */
       4                 : /* ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at:
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is Mozilla Code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  *   The Mozilla Foundation
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Chris Jones <jones.chris.g@gmail.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "ShadowLayersParent.h"
      42                 : #include "ShadowLayerParent.h"
      43                 : #include "ShadowLayers.h"
      44                 : 
      45                 : #include "BasicLayers.h"
      46                 : 
      47                 : namespace mozilla {
      48                 : namespace layers {
      49                 : 
      50               0 : ShadowLayerParent::ShadowLayerParent() : mLayer(NULL)
      51                 : {
      52               0 : }
      53                 : 
      54               0 : ShadowLayerParent::~ShadowLayerParent()
      55                 : {
      56               0 : }
      57                 : 
      58                 : void
      59               0 : ShadowLayerParent::Bind(Layer* layer)
      60                 : {
      61               0 :   mLayer = layer;
      62               0 : }
      63                 : 
      64                 : void
      65               0 : ShadowLayerParent::Destroy()
      66                 : {
      67                 :   // It's possible for Destroy() to come in just after this has been
      68                 :   // created, but just before the transaction in which Bind() would
      69                 :   // have been called.  In that case, we'll ignore shadow-layers
      70                 :   // transactions from there on and never get a layer here.
      71               0 :   if (mLayer) {
      72               0 :     mLayer->Disconnect();
      73                 :   }
      74               0 : }
      75                 : 
      76                 : ContainerLayer*
      77               0 : ShadowLayerParent::AsContainer() const
      78                 : {
      79               0 :   return static_cast<ContainerLayer*>(AsLayer());
      80                 : }
      81                 : 
      82                 : void
      83               0 : ShadowLayerParent::ActorDestroy(ActorDestroyReason why)
      84                 : {
      85               0 :   switch (why) {
      86                 :   case AncestorDeletion:
      87               0 :     NS_RUNTIMEABORT("shadow layer deleted out of order!");
      88               0 :     return;                     // unreached
      89                 : 
      90                 :   case Deletion:
      91                 :     // See comment near Destroy() above.
      92               0 :     if (mLayer) {
      93               0 :       mLayer->Disconnect();
      94                 :     }
      95               0 :     break;
      96                 : 
      97                 :   case AbnormalShutdown:
      98                 :   case NormalShutdown:
      99                 :     // let IPDL-generated code automatically clean up Shmems and so
     100                 :     // forth; our channel is disconnected anyway
     101               0 :     break;
     102                 : 
     103                 :   case FailedConstructor:
     104               0 :     NS_RUNTIMEABORT("FailedConstructor isn't possible in PLayers");
     105               0 :     return;                     // unreached
     106                 :   }
     107                 : 
     108               0 :   mLayer = NULL;
     109                 : }
     110                 : 
     111                 : } // namespace layers
     112                 : } // namespace mozilla

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