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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
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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 : *
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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"),
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39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef IPC_ShadowLayerUtils_h
42 : #define IPC_ShadowLayerUtils_h
43 :
44 : #include "IPC/IPCMessageUtils.h"
45 : #include "Layers.h"
46 :
47 : #if defined(MOZ_ENABLE_D3D10_LAYER)
48 : # include "mozilla/layers/ShadowLayerUtilsD3D10.h"
49 : #endif
50 :
51 : #if defined(MOZ_X11)
52 : # include "mozilla/layers/ShadowLayerUtilsX11.h"
53 : #else
54 : namespace mozilla { namespace layers {
55 : struct SurfaceDescriptorX11 {
56 : bool operator==(const SurfaceDescriptorX11&) const { return false; }
57 : };
58 : } }
59 : #endif
60 :
61 : namespace IPC {
62 :
63 : template <>
64 : struct ParamTraits<mozilla::layers::FrameMetrics>
65 : {
66 : typedef mozilla::layers::FrameMetrics paramType;
67 :
68 0 : static void Write(Message* aMsg, const paramType& aParam)
69 : {
70 0 : WriteParam(aMsg, aParam.mViewport);
71 0 : WriteParam(aMsg, aParam.mContentSize);
72 0 : WriteParam(aMsg, aParam.mViewportScrollOffset);
73 0 : WriteParam(aMsg, aParam.mDisplayPort);
74 0 : WriteParam(aMsg, aParam.mScrollId);
75 0 : }
76 :
77 0 : static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
78 : {
79 0 : return (ReadParam(aMsg, aIter, &aResult->mViewport) &&
80 0 : ReadParam(aMsg, aIter, &aResult->mContentSize) &&
81 0 : ReadParam(aMsg, aIter, &aResult->mViewportScrollOffset) &&
82 0 : ReadParam(aMsg, aIter, &aResult->mDisplayPort) &&
83 0 : ReadParam(aMsg, aIter, &aResult->mScrollId));
84 : }
85 : };
86 :
87 : #if !defined(MOZ_HAVE_SURFACEDESCRIPTORX11)
88 : template <>
89 : struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
90 : typedef mozilla::layers::SurfaceDescriptorX11 paramType;
91 : static void Write(Message*, const paramType&) {}
92 : static bool Read(const Message*, void**, paramType*) { return false; }
93 : };
94 : #endif // !defined(MOZ_HAVE_XSURFACEDESCRIPTOR)
95 :
96 : }
97 :
98 : #endif // IPC_ShadowLayerUtils_h
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