1/*
2 * Copyright (C) 2009, 2010 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#if USE(PLUGIN_HOST_PROCESS)
27
28#ifndef ProxyInstance_h
29#define ProxyInstance_h
30
31#import "NetscapePluginInstanceProxy.h"
32#import "WebKitPluginHostTypes.h"
33#import <WebCore/BridgeJSC.h>
34#import <WebCore/runtime_root.h>
35#import <wtf/OwnPtr.h>
36
37namespace WebKit {
38
39class ProxyClass;
40
41class ProxyInstance : public JSC::Bindings::Instance {
42public:
43    static PassRefPtr<ProxyInstance> create(PassRefPtr<JSC::Bindings::RootObject> rootObject, NetscapePluginInstanceProxy* instanceProxy, uint32_t objectID)
44    {
45        return adoptRef(new ProxyInstance(rootObject, instanceProxy, objectID));
46    }
47    ~ProxyInstance();
48
49    JSC::Bindings::Method* methodNamed(JSC::PropertyName);
50    JSC::Bindings::Field* fieldNamed(JSC::PropertyName);
51
52    JSC::JSValue fieldValue(JSC::ExecState*, const JSC::Bindings::Field*) const;
53    void setFieldValue(JSC::ExecState*, const JSC::Bindings::Field*, JSC::JSValue) const;
54
55
56    NetscapePluginInstanceProxy* instanceProxy() { return m_instanceProxy; }
57
58    void invalidate();
59
60    uint32_t objectID() const { return m_objectID; }
61
62private:
63    ProxyInstance(PassRefPtr<JSC::Bindings::RootObject>, NetscapePluginInstanceProxy*, uint32_t objectID);
64
65    virtual JSC::Bindings::RuntimeObject* newRuntimeObject(JSC::ExecState*);
66
67    virtual JSC::Bindings::Class* getClass() const;
68
69    virtual JSC::JSValue getMethod(JSC::ExecState*, JSC::PropertyName);
70    virtual JSC::JSValue invokeMethod(JSC::ExecState*, JSC::RuntimeMethod*);
71
72    virtual bool supportsInvokeDefaultMethod() const;
73    virtual JSC::JSValue invokeDefaultMethod(JSC::ExecState*);
74
75    virtual bool supportsConstruct() const;
76    virtual JSC::JSValue invokeConstruct(JSC::ExecState*, const JSC::ArgList&);
77
78    virtual JSC::JSValue defaultValue(JSC::ExecState*, JSC::PreferredPrimitiveType) const;
79    virtual JSC::JSValue valueOf(JSC::ExecState*) const;
80
81    virtual void getPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&);
82
83    JSC::JSValue stringValue(JSC::ExecState*) const;
84    JSC::JSValue numberValue(JSC::ExecState*) const;
85    JSC::JSValue booleanValue() const;
86
87    JSC::JSValue invoke(JSC::ExecState*, InvokeType, uint64_t identifier, const JSC::ArgList&);
88
89    template <typename T>
90    std::unique_ptr<T> waitForReply(uint32_t requestID) const
91    {
92        auto reply = m_instanceProxy->waitForReply<T>(requestID);
93
94        // If the instance proxy was invalidated, just return a null reply.
95        if (!m_instanceProxy)
96            return nullptr;
97
98        return reply;
99    }
100
101    NetscapePluginInstanceProxy* m_instanceProxy;
102    uint32_t m_objectID;
103    HashMap<RefPtr<StringImpl>, std::unique_ptr<JSC::Bindings::Field>> m_fields;
104    HashMap<RefPtr<StringImpl>, std::unique_ptr<JSC::Bindings::Method>> m_methods;
105};
106
107}
108
109#endif // ProxyInstance_h
110#endif // USE(PLUGIN_HOST_PROCESS)
111