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3 : /* ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
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11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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14 : * License.
15 : *
16 : * The Original Code is Mozilla Content App.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * The Mozilla Foundation.
20 : * Portions created by the Initial Developer are Copyright (C) 2011
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Benoit Girard <bgirard@mozilla.com>
25 : * Ali Juma <ajuma@mozilla.com>
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27 : * Alternatively, the contents of this file may be used under the terms of
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39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #include "CompositorChild.h"
42 : #include "CompositorParent.h"
43 : #include "LayerManagerOGL.h"
44 : #include "mozilla/layers/ShadowLayersChild.h"
45 :
46 : using mozilla::layers::ShadowLayersChild;
47 :
48 : namespace mozilla {
49 : namespace layers {
50 :
51 0 : CompositorChild::CompositorChild(LayerManager *aLayerManager)
52 0 : : mLayerManager(aLayerManager)
53 : {
54 0 : MOZ_COUNT_CTOR(CompositorChild);
55 0 : }
56 :
57 0 : CompositorChild::~CompositorChild()
58 : {
59 0 : MOZ_COUNT_DTOR(CompositorChild);
60 0 : }
61 :
62 : void
63 0 : CompositorChild::Destroy()
64 : {
65 0 : mLayerManager = NULL;
66 0 : size_t numChildren = ManagedPLayersChild().Length();
67 0 : NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
68 : "compositor must only have 0 or 1 layer forwarder");
69 :
70 0 : if (numChildren) {
71 : ShadowLayersChild* layers =
72 0 : static_cast<ShadowLayersChild*>(ManagedPLayersChild()[0]);
73 0 : layers->Destroy();
74 : }
75 0 : SendStop();
76 0 : }
77 :
78 : PLayersChild*
79 0 : CompositorChild::AllocPLayers(const LayersBackend &backend)
80 : {
81 0 : return new ShadowLayersChild();
82 : }
83 :
84 : bool
85 0 : CompositorChild::DeallocPLayers(PLayersChild* actor)
86 : {
87 0 : delete actor;
88 0 : return true;
89 : }
90 :
91 : } // namespace layers
92 : } // namespace mozilla
93 :
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