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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsXBLProtoImpl_h__
#define nsXBLProtoImpl_h__
#include "nsMemory.h"
#include "nsXBLPrototypeHandler.h"
#include "nsXBLProtoImplMember.h"
#include "nsXBLProtoImplField.h"
#include "nsXBLBinding.h"
class nsXBLPrototypeBinding;
class nsXBLProtoImplAnonymousMethod;
class nsXBLProtoImpl final
{
public:
nsXBLProtoImpl()
: mPrecompiledMemberHolder(nullptr),
mMembers(nullptr),
mFields(nullptr),
mConstructor(nullptr),
mDestructor(nullptr)
{
MOZ_COUNT_CTOR(nsXBLProtoImpl);
}
~nsXBLProtoImpl()
{
MOZ_COUNT_DTOR(nsXBLProtoImpl);
// Note: the constructor and destructor are in mMembers, so we'll
// clean them up automatically.
delete mMembers;
delete mFields;
}
nsresult InstallImplementation(nsXBLPrototypeBinding* aPrototypeBinding, nsXBLBinding* aBinding);
private:
nsresult InitTargetObjects(nsXBLPrototypeBinding* aBinding,
nsIContent* aBoundElement,
JS::MutableHandle<JSObject*> aTargetClassObject,
bool* aTargetIsNew);
public:
nsresult CompilePrototypeMembers(nsXBLPrototypeBinding* aBinding);
bool LookupMember(JSContext* aCx, nsString& aName, JS::Handle<jsid> aNameAsId,
JS::MutableHandle<JS::PropertyDescriptor> aDesc,
JS::Handle<JSObject*> aClassObject);
void SetMemberList(nsXBLProtoImplMember* aMemberList)
{
delete mMembers;
mMembers = aMemberList;
}
void SetFieldList(nsXBLProtoImplField* aFieldList)
{
delete mFields;
mFields = aFieldList;
}
void Trace(const TraceCallbacks& aCallbacks, void *aClosure);
void UnlinkJSObjects();
nsXBLProtoImplField* FindField(const nsString& aFieldName) const;
// Resolve all the fields for this implementation on the object |obj| False
// return means a JS exception was set.
bool ResolveAllFields(JSContext *cx, JS::Handle<JSObject*> obj) const;
// Undefine all our fields from object |obj| (which should be a
// JSObject for a bound element).
void UndefineFields(JSContext* cx, JS::Handle<JSObject*> obj) const;
bool CompiledMembers() const {
return mPrecompiledMemberHolder != nullptr;
}
nsresult Read(nsIObjectInputStream* aStream,
nsXBLPrototypeBinding* aBinding);
nsresult Write(nsIObjectOutputStream* aStream,
nsXBLPrototypeBinding* aBinding);
protected:
// used by Read to add each member
nsXBLProtoImplMember* AddMember(nsXBLProtoImplMember* aMember,
nsXBLProtoImplMember* aPreviousMember)
{
if (aPreviousMember)
aPreviousMember->SetNext(aMember);
else
mMembers = aMember;
return aMember;
}
void DestroyMembers();
public:
nsString mClassName; // The name of the class.
protected:
JSObject* mPrecompiledMemberHolder; // The class object for the binding. We'll use this to pre-compile properties
// and methods for the binding.
nsXBLProtoImplMember* mMembers; // The members of an implementation are chained in this singly-linked list.
nsXBLProtoImplField* mFields; // Our fields
public:
nsXBLProtoImplAnonymousMethod* mConstructor; // Our class constructor.
nsXBLProtoImplAnonymousMethod* mDestructor; // Our class destructor.
};
void
NS_NewXBLProtoImpl(nsXBLPrototypeBinding* aBinding,
const char16_t* aClassName,
nsXBLProtoImpl** aResult);
#endif // nsXBLProtoImpl_h__
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