зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
3.6 KiB
C++
112 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* vim: set ts=8 sw=4 et tw=80:
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* The Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Ben Newman <b{enjam,newma}n@mozilla.com> (original author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef mozilla_jsipc_ContextWrapperChild_h__
|
|
#define mozilla_jsipc_ContextWrapperChild_h__
|
|
|
|
#include "mozilla/jsipc/PContextWrapperChild.h"
|
|
#include "mozilla/jsipc/ObjectWrapperChild.h"
|
|
|
|
#include "jsapi.h"
|
|
#include "nsClassHashtable.h"
|
|
#include "nsHashKeys.h"
|
|
|
|
namespace mozilla {
|
|
namespace jsipc {
|
|
|
|
class ContextWrapperChild
|
|
: public PContextWrapperChild
|
|
{
|
|
public:
|
|
|
|
ContextWrapperChild(JSContext* cx)
|
|
: mContext(cx)
|
|
{
|
|
mResidentObjectTable.Init();
|
|
}
|
|
|
|
JSContext* GetContext() { return mContext; }
|
|
|
|
PObjectWrapperChild* GetOrCreateWrapper(JSObject* obj,
|
|
bool makeGlobal = false)
|
|
{
|
|
if (!obj) // Don't wrap nothin'!
|
|
return NULL;
|
|
PObjectWrapperChild* wrapper;
|
|
while (!mResidentObjectTable.Get(obj, &wrapper)) {
|
|
wrapper = SendPObjectWrapperConstructor(AllocPObjectWrapper(obj),
|
|
makeGlobal);
|
|
if (wrapper)
|
|
mResidentObjectTable.Put(obj, wrapper);
|
|
else
|
|
return NULL;
|
|
}
|
|
return wrapper;
|
|
}
|
|
|
|
protected:
|
|
|
|
PObjectWrapperChild* AllocPObjectWrapper(JSObject* obj) {
|
|
return new ObjectWrapperChild(mContext, obj);
|
|
}
|
|
|
|
PObjectWrapperChild* AllocPObjectWrapper(const bool&) {
|
|
return AllocPObjectWrapper(JS_GetGlobalObject(mContext));
|
|
}
|
|
|
|
bool DeallocPObjectWrapper(PObjectWrapperChild* actor) {
|
|
ObjectWrapperChild* owc = static_cast<ObjectWrapperChild*>(actor);
|
|
mResidentObjectTable.Remove(owc->GetJSObject());
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
|
|
JSContext* const mContext;
|
|
|
|
nsClassHashtable<nsPtrHashKey<JSObject>,
|
|
PObjectWrapperChild> mResidentObjectTable;
|
|
|
|
};
|
|
|
|
}}
|
|
|
|
#endif
|