| 1 | /* |
| 2 | * Copyright (C) 2010-2018 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. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef JSNPMethod_h |
| 27 | #define JSNPMethod_h |
| 28 | |
| 29 | #if ENABLE(NETSCAPE_PLUGIN_API) |
| 30 | |
| 31 | #include <JavaScriptCore/FunctionPrototype.h> |
| 32 | #include <JavaScriptCore/InternalFunction.h> |
| 33 | #include <JavaScriptCore/JSGlobalObject.h> |
| 34 | |
| 35 | typedef void* NPIdentifier; |
| 36 | |
| 37 | namespace WebKit { |
| 38 | |
| 39 | // A JSObject that wraps an NPMethod. |
| 40 | class JSNPMethod final : public JSC::InternalFunction { |
| 41 | public: |
| 42 | typedef JSC::InternalFunction Base; |
| 43 | |
| 44 | template<typename CellType, JSC::SubspaceAccess> |
| 45 | static JSC::IsoSubspace* subspaceFor(JSC::VM& vm) |
| 46 | { |
| 47 | return subspaceForImpl(vm); |
| 48 | } |
| 49 | |
| 50 | static JSNPMethod* create(JSC::ExecState* exec, JSC::JSGlobalObject* globalObject, const String& name, NPIdentifier npIdent) |
| 51 | { |
| 52 | JSC::VM& vm = globalObject->vm(); |
| 53 | JSC::Structure* structure = createStructure(exec->vm(), globalObject, globalObject->functionPrototype()); |
| 54 | JSNPMethod* method = new (JSC::allocateCell<JSNPMethod>(vm.heap)) JSNPMethod(globalObject, structure, npIdent); |
| 55 | method->finishCreation(vm, name); |
| 56 | return method; |
| 57 | } |
| 58 | |
| 59 | DECLARE_INFO; |
| 60 | |
| 61 | NPIdentifier npIdentifier() const { return m_npIdentifier; } |
| 62 | |
| 63 | protected: |
| 64 | void finishCreation(JSC::VM&, const String& name); |
| 65 | |
| 66 | private: |
| 67 | static JSC::IsoSubspace* subspaceForImpl(JSC::VM&); |
| 68 | |
| 69 | JSNPMethod(JSC::JSGlobalObject*, JSC::Structure*, NPIdentifier); |
| 70 | |
| 71 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
| 72 | { |
| 73 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info()); |
| 74 | } |
| 75 | |
| 76 | NPIdentifier m_npIdentifier; |
| 77 | }; |
| 78 | |
| 79 | |
| 80 | } // namespace WebKit |
| 81 | |
| 82 | #endif // ENABLE(NETSCAPE_PLUGIN_API) |
| 83 | |
| 84 | #endif // JSNPMethod_h |
| 85 | |