js/xpconnect/src/XPCWrapper.h

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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #ifndef XPC_WRAPPER_H
8 #define XPC_WRAPPER_H 1
9
10 #include "xpcprivate.h"
11 #include "jswrapper.h"
12
13 class nsIScriptSecurityManager;
14
15 namespace XPCNativeWrapper {
16
17 // Given an XPCWrappedNative pointer and the name of the function on
18 // XPCNativeScriptableFlags corresponding with a flag, returns 'true'
19 // if the flag is set.
20 // XXX Convert to using GetFlags() and not a macro.
21 #define NATIVE_HAS_FLAG(_wn, _flag) \
22 ((_wn)->GetScriptableInfo() && \
23 (_wn)->GetScriptableInfo()->GetFlags()._flag())
24
25 bool
26 AttachNewConstructorObject(JSContext *aCx, JS::HandleObject aGlobalObject);
27
28 } // namespace XPCNativeWrapper
29
30 // This namespace wraps some common functionality between the three existing
31 // wrappers. Its main purpose is to allow XPCCrossOriginWrapper to act both
32 // as an XPCSafeJSObjectWrapper and as an XPCNativeWrapper when required to
33 // do so (the decision is based on the principals of the wrapper and wrapped
34 // objects).
35 namespace XPCWrapper {
36
37 /**
38 * Returns the script security manager used by XPConnect.
39 */
40 inline nsIScriptSecurityManager *
41 GetSecurityManager()
42 {
43 return nsXPConnect::gScriptSecurityManager;
44 }
45
46 inline bool
47 IsSecurityWrapper(JSObject *wrapper)
48 {
49 return js::IsWrapper(wrapper);
50 }
51
52 JSObject *
53 UnsafeUnwrapSecurityWrapper(JSObject *obj);
54
55 } // namespace XPCWrapper
56
57
58 #endif

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