1/*
2 * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef JSUtils_h
30#define JSUtils_h
31
32#include "JavaScriptGlue.h"
33
34#include <JavaScriptCore/Heap.h>
35#include <JavaScriptCore/JSValue.h>
36#include <JavaScriptCore/Completion.h>
37#include <JavaScriptCore/Identifier.h>
38#include <JavaScriptCore/JSLock.h>
39#include <JavaScriptCore/JSObject.h>
40#include <JavaScriptCore/JSGlobalObject.h>
41#include <JavaScriptCore/Protect.h>
42#include <JavaScriptCore/UString.h>
43
44#include <wtf/RefPtr.h>
45
46using namespace JSC;
47
48class JSBase;
49class JSUserObject;
50class JSRun;
51class JSValueWrapper;
52class JSUserObjectImp;
53
54UString CFStringToUString(CFStringRef inCFString);
55CFStringRef UStringToCFString(const UString& inUString);
56Identifier CFStringToIdentifier(CFStringRef inCFString, ExecState*);
57CFStringRef IdentifierToCFString(const Identifier& inIdentifier);
58JSUserObject *KJSValueToJSObject(JSValue inValue, ExecState *exec);
59CFTypeRef KJSValueToCFType(JSValue inValue, ExecState *exec);
60JSValue JSObjectKJSValue(JSUserObject* ptr);
61CFTypeRef GetCFNull(void);
62
63inline CFTypeRef RetainCFType(CFTypeRef x) { if (x) x = CFRetain(x); return x; }
64inline void ReleaseCFType(CFTypeRef x) { if (x) CFRelease(x);  }
65
66ExecState* getThreadGlobalExecState();
67
68enum {
69    kJSInvalidTypeID = 0,
70    kJSObjectTypeID,
71    kJSRunTypeID
72};
73
74enum {
75    kJSUserObjectDataTypeUnknown,
76    kJSUserObjectDataTypeJSValueWrapper,
77    kJSUserObjectDataTypeCFType
78};
79
80class JSGlueAPIEntry {
81public:
82    JSGlueAPIEntry();
83    JSGlueAPIEntry(JSGlobalObject*); // For use when it's not safe for JSGlueAPIEntry() to call getThreadGlobalObject() -- for example, from a thread-specific data destructor.
84    ~JSGlueAPIEntry();
85
86private:
87    JSLock m_lock;
88    IdentifierTable* m_storedIdentifierTable;
89};
90
91class JSGlueAPICallback {
92public:
93    JSGlueAPICallback(ExecState*);
94    ~JSGlueAPICallback();
95
96private:
97    JSLock::DropAllLocks m_dropLocks;
98};
99
100#endif
101