WebKit之binding案例分析（testMediaQueryListListener.idl）-白红宇

WebKit之binding案例分析（testMediaQueryListListener.idl）

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发布时间：2019-05-24

本文共 10182 字，大约阅读时间需要 33 分钟。

## testMediaQueryListListener.idl

module test {    interface TestMediaQueryListListener {        void method(in MediaQueryListListener listener);    };}

## JSTestMediaQueryListListener.h

#ifndef JSTestMediaQueryListListener_h#define JSTestMediaQueryListListener_h#include "JSDOMBinding.h"#include 
   
    #include 
    
     #include 
     
      namespace WebCore {class TestMediaQueryListListener;class JSTestMediaQueryListListener : public DOMObjectWithGlobalPointer {    typedef DOMObjectWithGlobalPointer Base;public:    JSTestMediaQueryListListener(NonNullPassRefPtr
      
       , JSDOMGlobalObject*, PassRefPtr
       
        );    static JSC::JSObject* createPrototype(JSC::ExecState*, JSC::JSGlobalObject*);    virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);    virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor&);    static const JSC::ClassInfo s_info;    static PassRefPtr
        
          createStructure(JSC::JSGlobalData& globalData, JSC::JSValue prototype) { return JSC::Structure::create(globalData, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), AnonymousSlotCount, &s_info); } static JSC::JSValue getConstructor(JSC::ExecState*, JSC::JSGlobalObject*); TestMediaQueryListListener* impl() const { return m_impl.get(); }private: RefPtr
         
           m_impl;protected: static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | Base::StructureFlags;};JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject*, TestMediaQueryListListener*);TestMediaQueryListListener* toTestMediaQueryListListener(JSC::JSValue);class JSTestMediaQueryListListenerPrototype : public JSC::JSObjectWithGlobalObject { typedef JSC::JSObjectWithGlobalObject Base;public: static JSC::JSObject* self(JSC::ExecState*, JSC::JSGlobalObject*); static const JSC::ClassInfo s_info; virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier&, JSC::PropertySlot&); virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier&, JSC::PropertyDescriptor&); static PassRefPtr
          
            createStructure(JSC::JSGlobalData& globalData, JSC::JSValue prototype) { return JSC::Structure::create(globalData, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), AnonymousSlotCount, &s_info); } JSTestMediaQueryListListenerPrototype(JSC::JSGlobalObject* globalObject, NonNullPassRefPtr
           
             structure) : JSC::JSObjectWithGlobalObject(globalObject, structure) { }protected: static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | Base::StructureFlags;};// FunctionsJSC::EncodedJSValue JSC_HOST_CALL jsTestMediaQueryListListenerPrototypeFunctionMethod(JSC::ExecState*);// AttributesJSC::JSValue jsTestMediaQueryListListenerConstructor(JSC::ExecState*, JSC::JSValue, const JSC::Identifier&);} // namespace WebCore#endif

## JSTestMediaQueryListListener.cpp

#include "config.h"#include "JSTestMediaQueryListListener.h"#include "ExceptionCode.h"#include "JSDOMBinding.h"#include "MediaQueryListListener.h"#include "TestMediaQueryListListener.h"#include 
   
    #include 
    
     using namespace JSC;namespace WebCore {ASSERT_CLASS_FITS_IN_CELL(JSTestMediaQueryListListener);/* Hash table */#if ENABLE(JIT)#define THUNK_GENERATOR(generator) , generator#else#define THUNK_GENERATOR(generator)#endifstatic const HashTableValue JSTestMediaQueryListListenerTableValues[2] ={    { "constructor", DontEnum | ReadOnly, (intptr_t)static_cast
     
      (jsTestMediaQueryListListenerConstructor), (intptr_t)0 THUNK_GENERATOR(0) },    { 0, 0, 0, 0 THUNK_GENERATOR(0) }};#undef THUNK_GENERATORstatic JSC_CONST_HASHTABLE HashTable JSTestMediaQueryListListenerTable = { 2, 1, JSTestMediaQueryListListenerTableValues, 0 };/* Hash table for constructor */#if ENABLE(JIT)#define THUNK_GENERATOR(generator) , generator#else#define THUNK_GENERATOR(generator)#endifstatic const HashTableValue JSTestMediaQueryListListenerConstructorTableValues[1] ={    { 0, 0, 0, 0 THUNK_GENERATOR(0) }};#undef THUNK_GENERATORstatic JSC_CONST_HASHTABLE HashTable JSTestMediaQueryListListenerConstructorTable = { 1, 0, JSTestMediaQueryListListenerConstructorTableValues, 0 };class JSTestMediaQueryListListenerConstructor : public DOMConstructorObject {public:    JSTestMediaQueryListListenerConstructor(JSC::ExecState*, JSDOMGlobalObject*);    virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier&, JSC::PropertySlot&);    virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier&, JSC::PropertyDescriptor&);    static const JSC::ClassInfo s_info;    static PassRefPtr
      
        createStructure(JSC::JSGlobalData& globalData, JSC::JSValue prototype)    {        return JSC::Structure::create(globalData, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), AnonymousSlotCount, &s_info);    }protected:    static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | JSC::ImplementsHasInstance | DOMConstructorObject::StructureFlags;};const ClassInfo JSTestMediaQueryListListenerConstructor::s_info = { "TestMediaQueryListListenerConstructor", &DOMConstructorObject::s_info, &JSTestMediaQueryListListenerConstructorTable, 0 };JSTestMediaQueryListListenerConstructor::JSTestMediaQueryListListenerConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)    : DOMConstructorObject(JSTestMediaQueryListListenerConstructor::createStructure(globalObject->globalData(), globalObject->objectPrototype()), globalObject){    ASSERT(inherits(&s_info));    putDirect(exec->globalData(), exec->propertyNames().prototype, JSTestMediaQueryListListenerPrototype::self(exec, globalObject), DontDelete | ReadOnly);}bool JSTestMediaQueryListListenerConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot){    return getStaticValueSlot
       
        (exec, &JSTestMediaQueryListListenerConstructorTable, this, propertyName, slot);}bool JSTestMediaQueryListListenerConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor){    return getStaticValueDescriptor
        
         (exec, &JSTestMediaQueryListListenerConstructorTable, this, propertyName, descriptor);}/* Hash table for prototype */#if ENABLE(JIT)#define THUNK_GENERATOR(generator) , generator#else#define THUNK_GENERATOR(generator)#endifstatic const HashTableValue JSTestMediaQueryListListenerPrototypeTableValues[2] ={ { "method", DontDelete | Function, (intptr_t)static_cast
         
          (jsTestMediaQueryListListenerPrototypeFunctionMethod), (intptr_t)1 THUNK_GENERATOR(0) }, { 0, 0, 0, 0 THUNK_GENERATOR(0) }};#undef THUNK_GENERATORstatic JSC_CONST_HASHTABLE HashTable JSTestMediaQueryListListenerPrototypeTable = { 2, 1, JSTestMediaQueryListListenerPrototypeTableValues, 0 };const ClassInfo JSTestMediaQueryListListenerPrototype::s_info = { "TestMediaQueryListListenerPrototype", &JSC::JSObjectWithGlobalObject::s_info, &JSTestMediaQueryListListenerPrototypeTable, 0 };JSObject* JSTestMediaQueryListListenerPrototype::self(ExecState* exec, JSGlobalObject* globalObject){ return getDOMPrototype
          
           (exec, globalObject);}bool JSTestMediaQueryListListenerPrototype::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot){ return getStaticFunctionSlot
           
            (exec, &JSTestMediaQueryListListenerPrototypeTable, this, propertyName, slot);}bool JSTestMediaQueryListListenerPrototype::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor){ return getStaticFunctionDescriptor
            
             (exec, &JSTestMediaQueryListListenerPrototypeTable, this, propertyName, descriptor);}const ClassInfo JSTestMediaQueryListListener::s_info = { "TestMediaQueryListListener", &DOMObjectWithGlobalPointer::s_info, &JSTestMediaQueryListListenerTable, 0 };JSTestMediaQueryListListener::JSTestMediaQueryListListener(NonNullPassRefPtr
             
               structure, JSDOMGlobalObject* globalObject, PassRefPtr
              
                impl) : DOMObjectWithGlobalPointer(structure, globalObject) , m_impl(impl){ ASSERT(inherits(&s_info));}JSObject* JSTestMediaQueryListListener::createPrototype(ExecState* exec, JSGlobalObject* globalObject){ return new (exec) JSTestMediaQueryListListenerPrototype(globalObject, JSTestMediaQueryListListenerPrototype::createStructure(globalObject->globalData(), globalObject->objectPrototype()));}bool JSTestMediaQueryListListener::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot){ return getStaticValueSlot
               
                (exec, &JSTestMediaQueryListListenerTable, this, propertyName, slot);}bool JSTestMediaQueryListListener::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor){ return getStaticValueDescriptor
                
                 (exec, &JSTestMediaQueryListListenerTable, this, propertyName, descriptor);}JSValue jsTestMediaQueryListListenerConstructor(ExecState* exec, JSValue slotBase, const Identifier&){ JSTestMediaQueryListListener* domObject = static_cast
                 
                  (asObject(slotBase)); return JSTestMediaQueryListListener::getConstructor(exec, domObject->globalObject());}JSValue JSTestMediaQueryListListener::getConstructor(ExecState* exec, JSGlobalObject* globalObject){ return getDOMConstructor
                  
                   (exec, static_cast
                   
                    (globalObject));}EncodedJSValue JSC_HOST_CALL jsTestMediaQueryListListenerPrototypeFunctionMethod(ExecState* exec){ JSValue thisValue = exec->hostThisValue(); if (!thisValue.inherits(&JSTestMediaQueryListListener::s_info)) return throwVMTypeError(exec); JSTestMediaQueryListListener* castedThis = static_cast
                    
                     (asObject(thisValue)); TestMediaQueryListListener* imp = static_cast
                     
                      (castedThis->impl()); RefPtr
                      
                        listener(MediaQueryListListener::create(ScriptValue(exec->globalData(), exec->argument(0)))); if (exec->hadException()) return JSValue::encode(jsUndefined()); imp->method(listener); return JSValue::encode(jsUndefined());}JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, TestMediaQueryListListener* object){ return getDOMObjectWrapper
                       
                        (exec, globalObject, object);}TestMediaQueryListListener* toTestMediaQueryListListener(JSC::JSValue value){ return value.inherits(&JSTestMediaQueryListListener::s_info) ? static_cast
                        
                         (asObject(value))->impl() : 0;}}