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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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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 mozilla_jsipc_ContextWrapperChild_h
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#define mozilla_jsipc_ContextWrapperChild_h
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#include "mozilla/jsipc/PContextWrapperChild.h"
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#include "mozilla/jsipc/ObjectWrapperChild.h"
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#include "jsapi.h"
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#include "nsClassHashtable.h"
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#include "nsHashKeys.h"
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namespace mozilla {
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namespace jsipc {
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class ContextWrapperChild
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: public PContextWrapperChild
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{
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public:
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ContextWrapperChild(JSContext* cx)
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: mContext(cx)
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{
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mResidentObjectTable.Init();
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}
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JSContext* GetContext() { return mContext; }
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PObjectWrapperChild* GetOrCreateWrapper(JSObject* obj_,
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bool makeGlobal = false)
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{
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if (!obj_) // Don't wrap nothin'!
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return NULL;
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JS::RootedObject obj(mContext, obj_);
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PObjectWrapperChild* wrapper;
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while (!mResidentObjectTable.Get(obj, &wrapper)) {
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wrapper = SendPObjectWrapperConstructor(AllocPObjectWrapper(obj),
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makeGlobal);
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if (wrapper)
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mResidentObjectTable.Put(obj, wrapper);
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else
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return NULL;
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}
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return wrapper;
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}
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protected:
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PObjectWrapperChild* AllocPObjectWrapper(JSObject* obj) {
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return new ObjectWrapperChild(mContext, obj);
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}
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PObjectWrapperChild* AllocPObjectWrapper(const bool&) {
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// This stuff is unused and billm has a patch to delete it.
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JSAutoRequest ar(mContext);
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return AllocPObjectWrapper(JS_GetGlobalForScopeChain(mContext));
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}
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bool DeallocPObjectWrapper(PObjectWrapperChild* actor) {
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ObjectWrapperChild* owc = static_cast<ObjectWrapperChild*>(actor);
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mResidentObjectTable.Remove(owc->GetJSObject());
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return true;
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}
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private:
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JSContext* const mContext;
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nsClassHashtable<nsPtrHashKey<JSObject>,
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PObjectWrapperChild> mResidentObjectTable;
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};
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}}
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#endif /* mozilla_jsipc_ContextWrapperChild_h */
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