mirror of
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134 lines
5.1 KiB
C++
134 lines
5.1 KiB
C++
/* ***** 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 Java XPCOM Bindings.
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*
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* The Initial Developer of the Original Code is
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* IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* Javier Pedemonte (jhpedemonte@gmail.com)
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 _nsJavaXPTCStub_h_
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#define _nsJavaXPTCStub_h_
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#include "xptcall.h"
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#include "jni.h"
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#include "nsVoidArray.h"
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#include "nsIInterfaceInfo.h"
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#include "nsCOMPtr.h"
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#include "nsWeakReference.h"
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#include "nsJavaXPTCStubWeakRef.h"
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#define NS_JAVAXPTCSTUB_IID \
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{0x88dd8130, 0xebe6, 0x4431, {0x9d, 0xa7, 0xe6, 0xb7, 0x54, 0x74, 0xfb, 0x21}}
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class nsJavaXPTCStub : public nsXPTCStubBase,
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public nsSupportsWeakReference
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{
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friend class nsJavaXPTCStubWeakRef;
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSISUPPORTSWEAKREFERENCE
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_JAVAXPTCSTUB_IID)
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nsJavaXPTCStub(jobject aJavaObject, nsIInterfaceInfo *aIInfo);
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virtual ~nsJavaXPTCStub();
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// return a refcounted pointer to the InterfaceInfo for this object
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// NOTE: on some platforms this MUST not fail or we crash!
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NS_IMETHOD GetInterfaceInfo(nsIInterfaceInfo **aInfo);
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// call this method and return result
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NS_IMETHOD CallMethod(PRUint16 aMethodIndex,
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const nsXPTMethodInfo *aInfo,
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nsXPTCMiniVariant *aParams);
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// getter for mJavaObject
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jobject GetJavaObject();
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// Deletes the strong global ref for the Java object, so it can be garbage
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// collected if necessary. See DestroyXPTCMappingEnum().
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void DeleteStrongRef();
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private:
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NS_IMETHOD_(nsrefcnt) AddRefInternal();
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NS_IMETHOD_(nsrefcnt) ReleaseInternal();
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// Deletes this object and its members. Called by ReleaseInternal() and
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// ReleaseWeakRef().
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void Destroy();
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// When a nsJavaXPTCStubWeakRef associated with this object is released, it
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// calls this function to let this object know that there is one less weak
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// ref. If there are no more weakrefs referencing this object, and no one
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// holds a strong ref, then this function takes care of deleting the object.
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void ReleaseWeakRef();
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// returns a weak reference to a child supporting the specified interface
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nsJavaXPTCStub * FindStubSupportingIID(const nsID &aIID);
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// returns true if this stub supports the specified interface
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PRBool SupportsIID(const nsID &aIID);
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nsresult SetupJavaParams(const nsXPTParamInfo &aParamInfo,
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const nsXPTMethodInfo* aMethodInfo,
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PRUint16 aMethodIndex,
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nsXPTCMiniVariant* aDispatchParams,
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nsXPTCMiniVariant &aVariant,
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jvalue &aJValue, nsACString &aMethodSig);
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nsresult GetRetvalSig(const nsXPTParamInfo* aParamInfo,
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const nsXPTMethodInfo* aMethodInfo,
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PRUint16 aMethodIndex,
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nsXPTCMiniVariant* aDispatchParams,
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nsACString &aRetvalSig);
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nsresult FinalizeJavaParams(const nsXPTParamInfo &aParamInfo,
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const nsXPTMethodInfo* aMethodInfo,
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PRUint16 aMethodIndex,
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nsXPTCMiniVariant* aDispatchParams,
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nsXPTCMiniVariant &aVariant,
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jvalue &aJValue);
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nsresult SetXPCOMRetval();
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jobject mJavaWeakRef;
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jobject mJavaStrongRef;
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jint mJavaRefHashCode;
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nsCOMPtr<nsIInterfaceInfo> mIInfo;
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nsVoidArray mChildren; // weak references (cleared by the children)
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nsJavaXPTCStub *mMaster; // strong reference
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nsAutoRefCnt mWeakRefCnt; // count for number of associated weak refs
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};
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#endif // _nsJavaXPTCStub_h_
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