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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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17 : * The Original Code is mozilla.org code.
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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 : * 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"),
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39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef mozilla_jsipc_ContextWrapperChild_h__
42 : #define mozilla_jsipc_ContextWrapperChild_h__
43 :
44 : #include "mozilla/jsipc/PContextWrapperChild.h"
45 : #include "mozilla/jsipc/ObjectWrapperChild.h"
46 :
47 : #include "jsapi.h"
48 : #include "nsClassHashtable.h"
49 : #include "nsHashKeys.h"
50 :
51 : namespace mozilla {
52 : namespace jsipc {
53 :
54 : class ContextWrapperChild
55 : : public PContextWrapperChild
56 0 : {
57 : public:
58 :
59 0 : ContextWrapperChild(JSContext* cx)
60 0 : : mContext(cx)
61 : {
62 0 : mResidentObjectTable.Init();
63 0 : }
64 :
65 0 : JSContext* GetContext() { return mContext; }
66 :
67 0 : PObjectWrapperChild* GetOrCreateWrapper(JSObject* obj,
68 : bool makeGlobal = false)
69 : {
70 0 : if (!obj) // Don't wrap nothin'!
71 0 : return NULL;
72 : PObjectWrapperChild* wrapper;
73 0 : while (!mResidentObjectTable.Get(obj, &wrapper)) {
74 : wrapper = SendPObjectWrapperConstructor(AllocPObjectWrapper(obj),
75 0 : makeGlobal);
76 0 : if (wrapper)
77 0 : mResidentObjectTable.Put(obj, wrapper);
78 : else
79 0 : return NULL;
80 : }
81 0 : return wrapper;
82 : }
83 :
84 : protected:
85 :
86 0 : PObjectWrapperChild* AllocPObjectWrapper(JSObject* obj) {
87 0 : return new ObjectWrapperChild(mContext, obj);
88 : }
89 :
90 0 : PObjectWrapperChild* AllocPObjectWrapper(const bool&) {
91 0 : return AllocPObjectWrapper(JS_GetGlobalObject(mContext));
92 : }
93 :
94 0 : bool DeallocPObjectWrapper(PObjectWrapperChild* actor) {
95 0 : ObjectWrapperChild* owc = static_cast<ObjectWrapperChild*>(actor);
96 0 : mResidentObjectTable.Remove(owc->GetJSObject());
97 0 : return true;
98 : }
99 :
100 : private:
101 :
102 : JSContext* const mContext;
103 :
104 : nsClassHashtable<nsPtrHashKey<JSObject>,
105 : PObjectWrapperChild> mResidentObjectTable;
106 :
107 : };
108 :
109 : }}
110 :
111 : #endif
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