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