117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// NETSCAPE JAVA VM PLUGIN EXTENSIONS
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//
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// This interface allows a Java virtual machine to be plugged into
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// Communicator to implement the APPLET tag and host applets.
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//
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// Note that this is the C++ interface that the plugin sees. The browser
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// uses a specific implementation of this, nsJVMPlugin, found in jvmmgr.h.
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////////////////////////////////////////////////////////////////////////////////
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#ifndef nsIJVMPlugin_h___
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#define nsIJVMPlugin_h___
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#include "nsIPlugin.h"
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#include "jni.h"
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////////////////////////////////////////////////////////////////////////////////
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// Java VM Plugin Interface
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// This interface defines additional entry points that a plugin developer needs
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// to implement in order to implement a Java virtual machine plugin.
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struct nsJVMInitArgs {
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PRUint32 version;
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const char* classpathAdditions; // appended to the JVM's classpath
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// other fields may be added here for version numbers beyond 0x00010000
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};
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/**
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* nsJVMInitArgs_Version is the current version number for the nsJVMInitArgs
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* struct specified above. The nsVersionOk macro should be used when comparing
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* a supplied nsJVMInitArgs struct against this version.
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*/
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#define nsJVMInitArgs_Version 0x00010000L
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class nsIJVMPlugin : public nsIPlugin {
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public:
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// This method us used to start the Java virtual machine.
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// It sets up any global state necessary to host Java programs.
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// Note that calling this method is distinctly separate from
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// initializing the nsIJVMPlugin object (done by the Initialize
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// method).
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NS_IMETHOD
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StartupJVM(nsJVMInitArgs* initargs) = 0;
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// This method us used to stop the Java virtual machine.
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// It tears down any global state necessary to host Java programs.
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// The fullShutdown flag specifies whether the browser is quitting
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// (PR_TRUE) or simply whether the JVM is being shut down (PR_FALSE).
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NS_IMETHOD
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ShutdownJVM(PRBool fullShutdown = PR_FALSE) = 0;
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// Causes the JVM to append a new directory to its classpath.
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// If the JVM doesn't support this operation, an error is returned.
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NS_IMETHOD
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AddToClassPath(const char* dirPath) = 0;
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// Causes the JVM to remove a directory from its classpath.
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// If the JVM doesn't support this operation, an error is returned.
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NS_IMETHOD
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RemoveFromClassPath(const char* dirPath) = 0;
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// Returns the current classpath in use by the JVM.
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NS_IMETHOD
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GetClassPath(const char* *result) = 0;
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NS_IMETHOD
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GetPluginInstance(jobject javaObject, nsIPluginInstance* *result) = 0;
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NS_IMETHOD
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GetPluginInstance(JNIEnv* jenv, nsIPluginInstance* *result) = 0;
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NS_IMETHOD
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GetJavaVM(JavaVM* *result) = 0;
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// Find or create a JNIEnv for the current thread.
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// Returns NULL if an error occurs.
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NS_IMETHOD_(nsrefcnt)
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GetJNIEnv(JNIEnv* *result) = 0;
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// This method must be called when the caller is done using the JNIEnv.
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// This decrements a refcount associated with it may free it.
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NS_IMETHOD_(nsrefcnt)
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ReleaseJNIEnv(JNIEnv* env) = 0;
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};
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#define NS_IJVMPLUGIN_IID \
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{ /* da6f3bc0-a1bc-11d1-85b1-00805f0e4dfe */ \
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0xda6f3bc0, \
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0xa1bc, \
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0x11d1, \
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{0x85, 0xb1, 0x00, 0x80, 0x5f, 0x0e, 0x4d, 0xfe} \
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}
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////////////////////////////////////////////////////////////////////////////////
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#endif /* nsIJVMPlugin_h___ */
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