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/*
* Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BridgeJSC_h
#define BridgeJSC_h
#if USE(JSC)
#include <runtime/JSString.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace JSC {
class ArgList;
class Identifier;
class JSGlobalObject;
class PropertyNameArray;
class RuntimeMethod;
namespace Bindings {
class Instance;
class Method;
class RootObject;
class RuntimeObject;
typedef Vector<Method*> MethodList;
class Field {
public:
virtual JSValue valueFromInstance(ExecState*, const Instance*) const = 0;
virtual void setValueToInstance(ExecState*, const Instance*, JSValue) const = 0;
virtual ~Field() { }
};
class Class {
WTF_MAKE_NONCOPYABLE(Class); WTF_MAKE_FAST_ALLOCATED;
public:
Class() { }
virtual MethodList methodsNamed(const Identifier&, Instance*) const = 0;
virtual Field* fieldNamed(const Identifier&, Instance*) const = 0;
virtual JSValue fallbackObject(ExecState*, Instance*, const Identifier&) { return jsUndefined(); }
virtual ~Class() { }
};
typedef void (*KJSDidExecuteFunctionPtr)(ExecState*, JSObject* rootObject);
class Instance : public RefCounted<Instance> {
public:
Instance(PassRefPtr<RootObject>);
static void setDidExecuteFunction(KJSDidExecuteFunctionPtr func);
static KJSDidExecuteFunctionPtr didExecuteFunction();
// These functions are called before and after the main entry points into
// the native implementations. They can be used to establish and cleanup
// any needed state.
void begin();
void end();
virtual Class* getClass() const = 0;
JSObject* createRuntimeObject(ExecState*);
void willInvalidateRuntimeObject(RuntimeObject*);
void willDestroyRuntimeObject(RuntimeObject*);
// Returns false if the value was not set successfully.
virtual bool setValueOfUndefinedField(ExecState*, const Identifier&, JSValue) { return false; }
virtual JSValue getMethod(ExecState* exec, const Identifier& propertyName) = 0;
virtual JSValue invokeMethod(ExecState*, RuntimeMethod* method) = 0;
virtual bool supportsInvokeDefaultMethod() const { return false; }
virtual JSValue invokeDefaultMethod(ExecState*) { return jsUndefined(); }
virtual bool supportsConstruct() const { return false; }
virtual JSValue invokeConstruct(ExecState*, const ArgList&) { return JSValue(); }
virtual void getPropertyNames(ExecState*, PropertyNameArray&) { }
virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const = 0;
virtual JSValue valueOf(ExecState* exec) const = 0;
RootObject* rootObject() const;
virtual ~Instance();
virtual bool getOwnPropertySlot(JSObject*, ExecState*, const Identifier&, PropertySlot&) { return false; }
virtual bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&) { return false; }
virtual void put(JSObject*, ExecState*, const Identifier&, JSValue, PutPropertySlot&) { }
protected:
virtual void virtualBegin() { }
virtual void virtualEnd() { }
virtual RuntimeObject* newRuntimeObject(ExecState*);
RefPtr<RootObject> m_rootObject;
private:
WeakGCPtr<RuntimeObject> m_runtimeObject;
};
class Array {
WTF_MAKE_NONCOPYABLE(Array);
public:
Array(PassRefPtr<RootObject>);
virtual ~Array();
virtual void setValueAt(ExecState*, unsigned index, JSValue) const = 0;
virtual JSValue valueAt(ExecState*, unsigned index) const = 0;
virtual unsigned int getLength() const = 0;
protected:
RefPtr<RootObject> m_rootObject;
};
const char* signatureForParameters(const ArgList&);
typedef HashMap<RefPtr<StringImpl>, MethodList*> MethodListMap;
typedef HashMap<RefPtr<StringImpl>, Method*> MethodMap;
typedef HashMap<RefPtr<StringImpl>, Field*> FieldMap;
} // namespace Bindings
} // namespace JSC
#endif // USE(JSC)
#endif
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