Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/include/nsIGenericFactory.h

Index: gecko-sdk/include/nsIGenericFactory.h
===================================================================
--- gecko-sdk/include/nsIGenericFactory.h	(revision 0)
+++ gecko-sdk/include/nsIGenericFactory.h	(revision 0)
@@ -0,0 +1,447 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** 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
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Benjamin Smedberg <benjamin@smedbergs.us>
+ *
+ * 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 nsIGenericFactory_h___
+#define nsIGenericFactory_h___
+
+#include "nsIFactory.h"
+#include "nsIModule.h"
+#include "nsIClassInfo.h"
+
+class nsIFile;
+class nsIComponentManager;
+
+// {3bc97f01-ccdf-11d2-bab8-b548654461fc}
+#define NS_GENERICFACTORY_CID                                                 \
+  { 0x3bc97f01, 0xccdf, 0x11d2,                                               \
+    { 0xba, 0xb8, 0xb5, 0x48, 0x65, 0x44, 0x61, 0xfc } }
+
+// {3bc97f00-ccdf-11d2-bab8-b548654461fc}
+#define NS_IGENERICFACTORY_IID                                                \
+  { 0x3bc97f00, 0xccdf, 0x11d2,                                               \
+    { 0xba, 0xb8, 0xb5, 0x48, 0x65, 0x44, 0x61, 0xfc } }
+
+#define NS_GENERICFACTORY_CONTRACTID "@mozilla.org/generic-factory;1"
+#define NS_GENERICFACTORY_CLASSNAME "Generic Factory"
+
+struct nsModuleComponentInfo; // forward declaration
+
+/**
+ * Provides a Generic nsIFactory implementation that can be used by
+ * DLLs with very simple factory needs.
+ */
+class nsIGenericFactory : public nsIFactory {
+public:
+    NS_DEFINE_STATIC_IID_ACCESSOR(NS_IGENERICFACTORY_IID)
+    
+    NS_IMETHOD SetComponentInfo(const nsModuleComponentInfo *info) = 0;
+    NS_IMETHOD GetComponentInfo(const nsModuleComponentInfo **infop) = 0;
+};
+
+NS_COM_GLUE nsresult
+NS_NewGenericFactory(nsIGenericFactory **result,
+                     const nsModuleComponentInfo *info);
+
+
+/** Component Callbacks **/
+
+ /** 
+  * NSConstructorProcPtr
+  *
+  * This function will be used by the generic factory to create an 
+  * instance of the given CID.
+  *
+  * @param aOuter    : Pointer to a component that wishes to be aggregated
+  *                    in the resulting instance. This will be nsnull if no
+  *                    aggregation is requested.
+  * @param iid       : The IID of the interface being requested in
+  *                    the component which is being currently created.
+  * @param result    : [out] Pointer to the newly created instance, if successful.
+  *
+  * @return NS_OK                     Component successfully created and the interface 
+  *                                   being requested was successfully returned in result.
+  *         NS_NOINTERFACE            Interface not accessible.
+  *         NS_ERROR_NO_AGGREGATION   if an 'outer' object is supplied, but the
+  *                                   component is not aggregatable.
+  *         NS_ERROR*                 Method failure.
+  **/
+typedef NS_CALLBACK(NSConstructorProcPtr)(nsISupports *aOuter, 
+                                          REFNSIID aIID,
+                                          void **aResult);
+
+/**
+ * NSRegisterSelfProcPtr
+ *
+ * One time registration call back.  Allows you to perform registration 
+ * specific activity like adding yourself to a category.
+ *
+ * @param aCompMgr    : The global component manager
+ * @param aFile       : Component File. This file must have an associated 
+ *                      loader and export the required symbols which this 
+ *                      loader defines.
+ * @param aLoaderStr  : Opaque loader specific string.  This value is
+ *                      passed into the nsIModule's registerSelf
+ *                      callback and must be fowarded unmodified when
+ *                      registering factories via their location.
+ * @param aType       : Component Type of CID aClass.  This value is
+ *                      passed into the nsIModule's registerSelf
+ *                      callback and must be fowarded unmodified when
+ *                      registering factories via their location.
+ * @param aInfo       : Pointer to array of nsModuleComponentInfo 
+ *
+ * @param aInfo         
+ * @return NS_OK        Registration was successful.
+ *         NS_ERROR*    Method failure.
+ **/
+typedef NS_CALLBACK(NSRegisterSelfProcPtr)(nsIComponentManager *aCompMgr,
+                                           nsIFile *aPath,
+                                           const char *aLoaderStr,
+                                           const char *aType,
+                                           const nsModuleComponentInfo *aInfo);
+
+/**
+ * NSUnregisterSelfProcPtr
+ *
+ * One time unregistration call back.  Allows you to perform unregistration
+ * specific activity like removing yourself from a category.
+ *
+ * @param aCompMgr    : The global component manager
+ * @param aFile       : Component File. This file must have an associated 
+ *                      loader and export the required symbols which this 
+ *                      loader defines.
+ * @param aLoaderStr  : Opaque loader specific string.  This value is
+ *                      passed into the nsIModule's registerSelf
+ *                      callback and must be fowarded unmodified when
+ *                      registering factories via their location
+ * @param aInfo       : Pointer to array of nsModuleComponentInfo 
+ *
+ * @param aInfo         
+ * @return NS_OK        Registration was successful.
+ *         NS_ERROR*    Method failure.
+
+ **/
+typedef NS_CALLBACK(NSUnregisterSelfProcPtr)(nsIComponentManager *aCompMgr,
+                                             nsIFile *aPath,
+                                             const char *aLoaderStr,
+                                             const nsModuleComponentInfo *aInfo);
+
+/** 
+ * NSFactoryDestructorProcPtr
+ *
+ * This function will be called when the factory is being destroyed. 
+ *
+ **/ 
+typedef NS_CALLBACK(NSFactoryDestructorProcPtr)(void);
+
+
+/** 
+ * NSGetInterfacesProcPtr
+ *
+ * This function is used to implement class info.
+ *       
+ * Get an ordered list of the interface ids that instances of the class 
+ * promise to implement. Note that nsISupports is an implicit member 
+ * of any such list and need not be included. 
+ *
+ * Should set *count = 0 and *array = null and return NS_OK if getting the 
+ * list is not supported.
+ * 
+ * @see nsIClassInfo.idl
+ **/
+typedef NS_CALLBACK(NSGetInterfacesProcPtr)(PRUint32 *countp,
+                                            nsIID* **array);
+
+/** 
+ * NSGetLanguageHelperProcPtr
+ *      
+ * This function is used to implement class info.
+ *
+ * Get a language mapping specific helper object that may assist in using
+ * objects of this class in a specific lanaguage. For instance, if asked
+ * for the helper for nsIProgrammingLanguage::JAVASCRIPT this might return 
+ * an object that can be QI'd into the nsIXPCScriptable interface to assist 
+ * XPConnect in supplying JavaScript specific behavior to callers of the 
+ * instance object.
+ *
+ * @see: nsIClassInfo.idl, nsIProgrammingLanguage.idl
+ *
+ * Should return null if no helper available for given language.
+ **/
+typedef NS_CALLBACK(NSGetLanguageHelperProcPtr)(PRUint32 language,
+                                                nsISupports **helper);
+
+/**
+ * nsModuleComponentInfo
+ *
+ * Use this type to define a list of module component info to pass to 
+ * NS_NewGenericModule. 
+ *
+ * @param mDescription           : Class Name of given object
+ * @param mCID                   : CID of given object
+ * @param mContractID            : Contract ID of given object
+ * @param mConstructor           : Constructor of given object
+ * @param mRegisterSelfProc      : (optional) Registration Callback
+ * @param mUnregisterSelfProc    : (optional) Unregistration Callback
+ * @param mFactoryDestructor     : (optional) Destruction Callback
+ * @param mGetInterfacesProc     : (optional) Interfaces Callback
+ * @param mGetLanguageHelperProc : (optional) Language Helper Callback
+ * @param mClassInfoGlobal       : (optional) Global Class Info of given object 
+ * @param mFlags                 : (optional) Class Info Flags @see nsIClassInfo 
+ *                                 
+ * E.g.:
+ *     static nsModuleComponentInfo components[] = { ... };
+ *
+ * See xpcom/sample/nsSampleModule.cpp for more info.
+ */
+struct nsModuleComponentInfo {
+    const char*                                 mDescription;
+    nsCID                                       mCID;
+    const char*                                 mContractID;
+    NSConstructorProcPtr                        mConstructor;
+    NSRegisterSelfProcPtr                       mRegisterSelfProc;
+    NSUnregisterSelfProcPtr                     mUnregisterSelfProc;
+    NSFactoryDestructorProcPtr                  mFactoryDestructor;
+    NSGetInterfacesProcPtr                      mGetInterfacesProc;
+    NSGetLanguageHelperProcPtr                  mGetLanguageHelperProc;
+    nsIClassInfo **                             mClassInfoGlobal;
+    PRUint32                                    mFlags;
+};
+
+
+/** Module Callbacks **/
+
+
+/** 
+ * nsModuleConstructorProc
+ *      
+ * This function is called when the module is first being constructed.
+ * @param self module which is being constructed.
+ * 
+ * @return NS_OK        Construction successful.
+ *         NS_ERROR*    Method failure which will result in module not being 
+ *                      loaded. 
+ **/
+typedef nsresult (PR_CALLBACK *nsModuleConstructorProc) (nsIModule *self);
+
+
+/** 
+ * nsModuleDestructorProc
+ *      
+ * This function is called when the module is being destroyed.
+ * @param self module which is being destroyed.
+ * 
+ **/
+typedef void (PR_CALLBACK *nsModuleDestructorProc) (nsIModule *self);
+
+/**
+ * nsModuleInfo
+ *
+ * Use this structure to define meta-information about the module
+ * itself, including the name, its components, and an optional
+ * module-level initialization or shutdown routine.
+ *
+ * @param mVersion     : Module Info Version
+ * @param mModuleName  : Module Name
+ * @param mComponents  : Array of Components
+ * @param mCount       : Count of mComponents
+ * @param mCtor        : Module user defined constructor
+ * @param mDtor        : Module user defined destructor
+ *
+ **/
+
+struct nsModuleInfo {
+    PRUint32                mVersion;
+    const char*             mModuleName;
+    const nsModuleComponentInfo *mComponents;
+    PRUint32                mCount;
+    nsModuleConstructorProc mCtor;
+    nsModuleDestructorProc  mDtor;
+};
+
+/**
+ * Rev this if you change the nsModuleInfo, and are worried about
+ * binary compatibility. (Ostensibly fix NS_NewGenericModule2() to deal
+ * with older rev's at the same time.)
+ */
+#define NS_MODULEINFO_VERSION 0x00015000UL // 1.5
+
+/**
+ * Create a new generic module. Use the NS_IMPL_NSGETMODULE macro, or
+ * one of its relatives, rather than using this directly.
+ */
+NS_COM_GLUE nsresult
+NS_NewGenericModule2(nsModuleInfo const *info, nsIModule* *result);
+
+/**
+ * Obsolete. Use NS_NewGenericModule2() instead.
+ */
+NS_COM_GLUE nsresult
+NS_NewGenericModule(const char* moduleName,
+                    PRUint32 componentCount,
+                    nsModuleComponentInfo* components,
+                    nsModuleDestructorProc dtor,
+                    nsIModule* *result);
+
+#if defined(XPCOM_TRANSLATE_NSGM_ENTRY_POINT)
+#  define NSGETMODULE_ENTRY_POINT(_name)  NS_VISIBILITY_HIDDEN nsresult _name##_NSGetModule
+#else
+#  define NSGETMODULE_ENTRY_POINT(_name)  extern "C" NS_EXPORT nsresult NSGetModule
+#endif
+
+/** 
+ * Ease of use Macros which define NSGetModule for your component. 
+ * See xpcom/sample/nsSampleModule.cpp for more info.
+ *
+ **/
+
+#define NS_IMPL_NSGETMODULE(_name, _components)                               \
+    NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, nsnull, nsnull)
+
+#define NS_IMPL_NSGETMODULE_WITH_CTOR(_name, _components, _ctor)              \
+    NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, _ctor, nsnull)
+
+#define NS_IMPL_NSGETMODULE_WITH_DTOR(_name, _components, _dtor)              \
+    NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, nsnull, _dtor)
+
+#define NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, _ctor, _dtor)  \
+static nsModuleInfo const kModuleInfo = {                                     \
+    NS_MODULEINFO_VERSION,                                                    \
+    (#_name),                                                                 \
+    (_components),                                                            \
+    (sizeof(_components) / sizeof(_components[0])),                           \
+    (_ctor),                                                                  \
+    (_dtor)                                                                   \
+};                                                                            \
+NSGETMODULE_ENTRY_POINT(_name)                                                \
+(nsIComponentManager *servMgr,                                                \
+            nsIFile* location,                                                \
+            nsIModule** result)                                               \
+{                                                                             \
+    return NS_NewGenericModule2(&kModuleInfo, result);                        \
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+#define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass)                        \
+static NS_IMETHODIMP                                                          \
+_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID,               \
+                            void **aResult)                                   \
+{                                                                             \
+    nsresult rv;                                                              \
+                                                                              \
+    _InstanceClass * inst;                                                    \
+                                                                              \
+    *aResult = NULL;                                                          \
+    if (NULL != aOuter) {                                                     \
+        rv = NS_ERROR_NO_AGGREGATION;                                         \
+        return rv;                                                            \
+    }                                                                         \
+                                                                              \
+    NS_NEWXPCOM(inst, _InstanceClass);                                        \
+    if (NULL == inst) {                                                       \
+        rv = NS_ERROR_OUT_OF_MEMORY;                                          \
+        return rv;                                                            \
+    }                                                                         \
+    NS_ADDREF(inst);                                                          \
+    rv = inst->QueryInterface(aIID, aResult);                                 \
+    NS_RELEASE(inst);                                                         \
+                                                                              \
+    return rv;                                                                \
+}                                                                             \
+
+
+#define NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(_InstanceClass, _InitMethod)      \
+static NS_IMETHODIMP                                                          \
+_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID,               \
+                            void **aResult)                                   \
+{                                                                             \
+    nsresult rv;                                                              \
+                                                                              \
+    _InstanceClass * inst;                                                    \
+                                                                              \
+    *aResult = NULL;                                                          \
+    if (NULL != aOuter) {                                                     \
+        rv = NS_ERROR_NO_AGGREGATION;                                         \
+        return rv;                                                            \
+    }                                                                         \
+                                                                              \
+    NS_NEWXPCOM(inst, _InstanceClass);                                        \
+    if (NULL == inst) {                                                       \
+        rv = NS_ERROR_OUT_OF_MEMORY;                                          \
+        return rv;                                                            \
+    }                                                                         \
+    NS_ADDREF(inst);                                                          \
+    rv = inst->_InitMethod();                                                 \
+    if(NS_SUCCEEDED(rv)) {                                                    \
+        rv = inst->QueryInterface(aIID, aResult);                             \
+    }                                                                         \
+    NS_RELEASE(inst);                                                         \
+                                                                              \
+    return rv;                                                                \
+}                                                                             \
+
+// 'Constructor' that uses an existing getter function that gets a singleton.
+// NOTE: assumes that getter does an AddRef - so additional AddRef is not done.
+#define NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(_InstanceClass, _GetterProc) \
+static NS_IMETHODIMP                                                          \
+_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID,               \
+                            void **aResult)                                   \
+{                                                                             \
+    nsresult rv;                                                              \
+                                                                              \
+    _InstanceClass * inst;                                                    \
+                                                                              \
+    *aResult = NULL;                                                          \
+    if (NULL != aOuter) {                                                     \
+        rv = NS_ERROR_NO_AGGREGATION;                                         \
+        return rv;                                                            \
+    }                                                                         \
+                                                                              \
+    inst = _GetterProc();                                                     \
+    if (NULL == inst) {                                                       \
+        rv = NS_ERROR_OUT_OF_MEMORY;                                          \
+        return rv;                                                            \
+    }                                                                         \
+    /* NS_ADDREF(inst); */                                                    \
+    rv = inst->QueryInterface(aIID, aResult);                                 \
+    NS_RELEASE(inst);                                                         \
+                                                                              \
+    return rv;                                                                \
+}                                                                             \
+
+#endif /* nsIGenericFactory_h___ */
Property changes on: gecko-sdk\include\nsIGenericFactory.h
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