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