1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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
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12 : * Software distributed under the License is distributed on an "AS IS" basis,
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14 : * for the specific language governing rights and limitations under the
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17 : * The Original Code is mozilla.org 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 : * Ben Newman <b{enjam,newma}n@mozilla.com> (original author)
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either of the GNU General Public License Version 2 or later (the "GPL"),
29 : * or 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
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39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef mozilla_jsipc_ContextWrapperParent_h__
42 : #define mozilla_jsipc_ContextWrapperParent_h__
43 :
44 : #include "mozilla/jsipc/PContextWrapperParent.h"
45 : #include "mozilla/jsipc/ObjectWrapperParent.h"
46 : #include "mozilla/jsipc/CPOWTypes.h"
47 :
48 : #include "mozilla/dom/ContentParent.h"
49 :
50 : #include "jsapi.h"
51 : #include "nsAutoJSValHolder.h"
52 :
53 : namespace mozilla {
54 : namespace jsipc {
55 :
56 : using mozilla::dom::ContentParent;
57 :
58 : class ContextWrapperParent
59 : : public PContextWrapperParent
60 0 : {
61 : public:
62 :
63 0 : ContextWrapperParent(ContentParent* cpp)
64 : : mContent(cpp)
65 0 : , mGlobal(NULL)
66 0 : {}
67 :
68 0 : JSBool GetGlobalJSObject(JSContext* cx, JSObject** globalp) {
69 0 : if (!mGlobal)
70 0 : return JS_FALSE;
71 0 : mGlobalHolder.Hold(cx);
72 0 : mGlobalHolder = *globalp = mGlobal->GetJSObject(cx);
73 0 : return JS_TRUE;
74 : }
75 :
76 0 : ObjectWrapperParent* GetGlobalObjectWrapper() const {
77 0 : return mGlobal;
78 : }
79 :
80 0 : bool RequestRunToCompletion() {
81 0 : return mContent->RequestRunToCompletion();
82 : }
83 :
84 : private:
85 :
86 : ContentParent* mContent;
87 : ObjectWrapperParent* mGlobal;
88 : nsAutoJSValHolder mGlobalHolder;
89 :
90 0 : PObjectWrapperParent* AllocPObjectWrapper(const bool&) {
91 0 : return new ObjectWrapperParent();
92 : }
93 :
94 0 : bool RecvPObjectWrapperConstructor(PObjectWrapperParent* actor,
95 : const bool& makeGlobal)
96 : {
97 0 : if (makeGlobal) {
98 0 : mGlobalHolder.Release();
99 0 : mGlobal = static_cast<ObjectWrapperParent*>(actor);
100 : }
101 0 : return true;
102 : }
103 :
104 0 : bool DeallocPObjectWrapper(PObjectWrapperParent* actor)
105 : {
106 0 : if (mGlobal &&
107 : mGlobal == static_cast<ObjectWrapperParent*>(actor)) {
108 0 : mGlobalHolder.Release();
109 0 : mGlobal = NULL;
110 : }
111 0 : delete actor;
112 0 : return true;
113 : }
114 :
115 : };
116 :
117 : }}
118 :
119 : #endif
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