root/axscript/mscom.h

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/* ***** 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 [ActiveScripting implemented with Tamarin].
 *
 * The Initial Developer of the Original Code is
 * Adobe System Incorporated.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Mark Hammond
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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 __axtam_MSCom__
#define __axtam_MSCom__


namespace axtam
{
        // base class for a JS object wrapping an IUnknown for 'consumption'
        // (ie, the object is implemented externally and 'consumed' by ES.
        class MSIUnknownConsumer : public ScriptObject
        {
                friend class MSIUnknownConsumerClass;
        protected:
                MSIUnknownConsumer(VTable* vtable, ScriptObject* prototype, IUnknown *pUnk, const IID &_iid)
                        : ScriptObject(vtable, prototype),
                          ob(pUnk), iid(_iid)
                {
                        AvmAssert(pUnk!= 0);
                }
                ~MSIUnknownConsumer() {ob = NULL; memset((void *)&iid, 0, sizeof(IID));}

        public:
                // Using a 'const &' isn't possible as we need to zero it!
                IID iid;
                CComPtr<IUnknown> ob;
        };

        // A JS object wrapping an IDispatch, exposing it as 'scriptable'
        class MSIDispatchConsumer : public MSIUnknownConsumer {
        public:
                MSIDispatchConsumer(VTable* vtable, ScriptObject* prototype, IDispatch *pDisp);

                IDispatch *getDispatch() const {return (IDispatch *)(IUnknown *)ob;}
                // Use the typeinfo to pre-populate the maps we use at runtime
                void populateFromTypeInfo(ITypeInfo *ti);

                // expose all the methods and properties from this object "globally"
                // into the domain.  This means that while in that domain, the 
                // properties etc can be referenced without the leading 'foo.'
                // qualifier.  Assumes populateFromTypeInfo() was called to create
                // the maps used to enumerate the items to expose.
                void exposeToDomain(ScriptEnv *env, DomainEnv *domainEnv);
        private:

                virtual Atom callProperty(Multiname* name, int argc, Atom* argv);
                virtual Atom getAtomProperty(Atom name) const;
                virtual void setMultinameProperty(Multiname* name, Atom value);
                bool hasMultinameProperty(Multiname* multiname) const;
        };

        class MSIUnknownConsumerClass : public ClassClosure
        {
        public:
                MSIUnknownConsumerClass(VTable* cvtable);
                ~MSIUnknownConsumerClass();

                // Create an instance from native code.
                MSIUnknownConsumer* create(IUnknown *pDisp, const IID &iid = __uuidof(0));

                DECLARE_NATIVE_MAP(MSIUnknownConsumerClass)
        };

        class MSIDispatchConsumerClass : public ClassClosure
        {
        public:
                MSIDispatchConsumerClass(VTable* cvtable);
                ~MSIDispatchConsumerClass();

                // Create an instance from native code.
                MSIDispatchConsumer * create(IDispatch *pDisp);

                DECLARE_NATIVE_MAP(MSIDispatchConsumerClass )
        };

}

#endif /* __axtam_MSCom__ */

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