gecko-dev/dom/xbl/nsXBLProtoImplMember.h

104 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsXBLProtoImplMember_h__
#define nsXBLProtoImplMember_h__
#include "nsIAtom.h"
#include "nsString.h"
#include "nsString.h"
#include "nsIServiceManager.h"
#include "nsContentUtils.h" // For NS_CONTENT_DELETE_LIST_MEMBER.
#include "nsCycleCollectionParticipant.h"
class nsIContent;
class nsIObjectOutputStream;
struct nsXBLTextWithLineNumber
{
char16_t* mText;
uint32_t mLineNumber;
nsXBLTextWithLineNumber() :
mText(nullptr),
mLineNumber(0)
{
MOZ_COUNT_CTOR(nsXBLTextWithLineNumber);
}
~nsXBLTextWithLineNumber() {
MOZ_COUNT_DTOR(nsXBLTextWithLineNumber);
if (mText) {
nsMemory::Free(mText);
}
}
void AppendText(const nsAString& aText) {
if (mText) {
char16_t* temp = mText;
mText = ToNewUnicode(nsDependentString(temp) + aText);
nsMemory::Free(temp);
} else {
mText = ToNewUnicode(aText);
}
}
char16_t* GetText() {
return mText;
}
void SetLineNumber(uint32_t aLineNumber) {
mLineNumber = aLineNumber;
}
uint32_t GetLineNumber() {
return mLineNumber;
}
};
class nsXBLProtoImplMember
{
public:
explicit nsXBLProtoImplMember(const char16_t* aName)
: mNext(nullptr)
, mExposeToUntrustedContent(false)
{
mName = ToNewUnicode(nsDependentString(aName));
}
virtual ~nsXBLProtoImplMember() {
nsMemory::Free(mName);
NS_CONTENT_DELETE_LIST_MEMBER(nsXBLProtoImplMember, this, mNext);
}
nsXBLProtoImplMember* GetNext() { return mNext; }
void SetNext(nsXBLProtoImplMember* aNext) { mNext = aNext; }
bool ShouldExposeToUntrustedContent() { return mExposeToUntrustedContent; }
void SetExposeToUntrustedContent(bool aExpose) { mExposeToUntrustedContent = aExpose; }
const char16_t* GetName() { return mName; }
virtual nsresult InstallMember(JSContext* aCx,
JS::Handle<JSObject*> aTargetClassObject) = 0;
virtual nsresult CompileMember(mozilla::dom::AutoJSAPI& jsapi, const nsCString& aClassStr,
JS::Handle<JSObject*> aClassObject) = 0;
virtual void Trace(const TraceCallbacks& aCallbacks, void *aClosure) = 0;
virtual nsresult Write(nsIObjectOutputStream* aStream)
{
return NS_OK;
}
protected:
nsXBLProtoImplMember* mNext; // The members of an implementation are chained.
char16_t* mName; // The name of the field, method, or property.
bool mExposeToUntrustedContent; // If this binding is installed on an element
// in an untrusted scope, should this
// implementation member be accessible to the
// content?
};
#endif // nsXBLProtoImplMember_h__