1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xbl/nsXBLProtoImpl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsXBLProtoImpl_h__
1.10 +#define nsXBLProtoImpl_h__
1.11 +
1.12 +#include "nsMemory.h"
1.13 +#include "nsXBLPrototypeHandler.h"
1.14 +#include "nsXBLProtoImplMember.h"
1.15 +#include "nsXBLProtoImplField.h"
1.16 +#include "nsXBLBinding.h"
1.17 +
1.18 +class nsXBLPrototypeBinding;
1.19 +class nsXBLProtoImplAnonymousMethod;
1.20 +
1.21 +class nsXBLProtoImpl MOZ_FINAL
1.22 +{
1.23 +public:
1.24 + nsXBLProtoImpl()
1.25 + : mPrecompiledMemberHolder(nullptr),
1.26 + mMembers(nullptr),
1.27 + mFields(nullptr),
1.28 + mConstructor(nullptr),
1.29 + mDestructor(nullptr)
1.30 + {
1.31 + MOZ_COUNT_CTOR(nsXBLProtoImpl);
1.32 + }
1.33 + ~nsXBLProtoImpl()
1.34 + {
1.35 + MOZ_COUNT_DTOR(nsXBLProtoImpl);
1.36 + // Note: the constructor and destructor are in mMembers, so we'll
1.37 + // clean them up automatically.
1.38 + delete mMembers;
1.39 + delete mFields;
1.40 + }
1.41 +
1.42 +
1.43 + nsresult InstallImplementation(nsXBLPrototypeBinding* aPrototypeBinding, nsXBLBinding* aBinding);
1.44 +
1.45 +private:
1.46 + nsresult InitTargetObjects(nsXBLPrototypeBinding* aBinding,
1.47 + nsIContent* aBoundElement,
1.48 + JS::MutableHandle<JSObject*> aTargetClassObject,
1.49 + bool* aTargetIsNew);
1.50 +
1.51 +public:
1.52 + nsresult CompilePrototypeMembers(nsXBLPrototypeBinding* aBinding);
1.53 +
1.54 + bool LookupMember(JSContext* aCx, nsString& aName, JS::Handle<jsid> aNameAsId,
1.55 + JS::MutableHandle<JSPropertyDescriptor> aDesc,
1.56 + JS::Handle<JSObject*> aClassObject);
1.57 +
1.58 + void SetMemberList(nsXBLProtoImplMember* aMemberList)
1.59 + {
1.60 + delete mMembers;
1.61 + mMembers = aMemberList;
1.62 + }
1.63 +
1.64 + void SetFieldList(nsXBLProtoImplField* aFieldList)
1.65 + {
1.66 + delete mFields;
1.67 + mFields = aFieldList;
1.68 + }
1.69 +
1.70 + void Trace(const TraceCallbacks& aCallbacks, void *aClosure);
1.71 + void UnlinkJSObjects();
1.72 +
1.73 + nsXBLProtoImplField* FindField(const nsString& aFieldName) const;
1.74 +
1.75 + // Resolve all the fields for this implementation on the object |obj| False
1.76 + // return means a JS exception was set.
1.77 + bool ResolveAllFields(JSContext *cx, JS::Handle<JSObject*> obj) const;
1.78 +
1.79 + // Undefine all our fields from object |obj| (which should be a
1.80 + // JSObject for a bound element).
1.81 + void UndefineFields(JSContext* cx, JS::Handle<JSObject*> obj) const;
1.82 +
1.83 + bool CompiledMembers() const {
1.84 + return mPrecompiledMemberHolder != nullptr;
1.85 + }
1.86 +
1.87 + nsresult Read(nsIObjectInputStream* aStream,
1.88 + nsXBLPrototypeBinding* aBinding);
1.89 + nsresult Write(nsIObjectOutputStream* aStream,
1.90 + nsXBLPrototypeBinding* aBinding);
1.91 +
1.92 +protected:
1.93 + // used by Read to add each member
1.94 + nsXBLProtoImplMember* AddMember(nsXBLProtoImplMember* aMember,
1.95 + nsXBLProtoImplMember* aPreviousMember)
1.96 + {
1.97 + if (aPreviousMember)
1.98 + aPreviousMember->SetNext(aMember);
1.99 + else
1.100 + mMembers = aMember;
1.101 + return aMember;
1.102 + }
1.103 +
1.104 + void DestroyMembers();
1.105 +
1.106 +public:
1.107 + nsCString mClassName; // The name of the class.
1.108 +
1.109 +protected:
1.110 + JSObject* mPrecompiledMemberHolder; // The class object for the binding. We'll use this to pre-compile properties
1.111 + // and methods for the binding.
1.112 +
1.113 + nsXBLProtoImplMember* mMembers; // The members of an implementation are chained in this singly-linked list.
1.114 +
1.115 + nsXBLProtoImplField* mFields; // Our fields
1.116 +
1.117 +public:
1.118 + nsXBLProtoImplAnonymousMethod* mConstructor; // Our class constructor.
1.119 + nsXBLProtoImplAnonymousMethod* mDestructor; // Our class destructor.
1.120 +};
1.121 +
1.122 +nsresult
1.123 +NS_NewXBLProtoImpl(nsXBLPrototypeBinding* aBinding,
1.124 + const char16_t* aClassName,
1.125 + nsXBLProtoImpl** aResult);
1.126 +
1.127 +#endif // nsXBLProtoImpl_h__
