зеркало из https://github.com/mozilla/pjs.git
120 строки
3.6 KiB
C++
120 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sw=4 et tw=80:
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Newman <b{enjam,newma}n@mozilla.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_jsipc_ContextWrapperParent_h__
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#define mozilla_jsipc_ContextWrapperParent_h__
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#include "mozilla/jsipc/PContextWrapperParent.h"
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#include "mozilla/jsipc/ObjectWrapperParent.h"
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#include "mozilla/jsipc/CPOWTypes.h"
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#include "mozilla/dom/ContentParent.h"
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#include "jsapi.h"
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#include "nsAutoJSValHolder.h"
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namespace mozilla {
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namespace jsipc {
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using mozilla::dom::ContentParent;
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class ContextWrapperParent
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: public PContextWrapperParent
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{
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public:
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ContextWrapperParent(ContentParent* cpp)
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: mContent(cpp)
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, mGlobal(NULL)
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{}
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JSBool GetGlobalJSObject(JSContext* cx, JSObject** globalp) {
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if (!mGlobal)
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return JS_FALSE;
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mGlobalHolder.Hold(cx);
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mGlobalHolder = *globalp = mGlobal->GetJSObject(cx);
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return JS_TRUE;
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}
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ObjectWrapperParent* GetGlobalObjectWrapper() const {
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return mGlobal;
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}
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bool RequestRunToCompletion() {
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return mContent->RequestRunToCompletion();
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}
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private:
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ContentParent* mContent;
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ObjectWrapperParent* mGlobal;
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nsAutoJSValHolder mGlobalHolder;
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PObjectWrapperParent* AllocPObjectWrapper(const bool&) {
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return new ObjectWrapperParent();
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}
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bool RecvPObjectWrapperConstructor(PObjectWrapperParent* actor,
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const bool& makeGlobal)
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{
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if (makeGlobal) {
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mGlobalHolder.Release();
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mGlobal = static_cast<ObjectWrapperParent*>(actor);
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}
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return true;
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}
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bool DeallocPObjectWrapper(PObjectWrapperParent* actor)
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{
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if (mGlobal &&
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mGlobal == static_cast<ObjectWrapperParent*>(actor)) {
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mGlobalHolder.Release();
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mGlobal = NULL;
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}
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delete actor;
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return true;
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}
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};
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}}
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#endif
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