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beard%netscape.com
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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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MRJPlugin_4.x_config.h
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Global configuration defines used by the MRJ plugin.
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by Patrick C. Beard.
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*/
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#include "MacHeaders.h"
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#define MRJPLUGIN_4X 1
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/*
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nsLiveConnect.cpp
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*/
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#include "nsLiveconnect.h"
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#include "MRJMonitor.h"
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#include "MRJPlugin.h"
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#include "nsIPluginManager.h"
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#include <string.h>
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extern nsIPluginManager* thePluginManager;
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const InterfaceInfo nsLiveconnect::sInterfaces[] = {
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{ NS_ILIVECONNECT_IID, INTERFACE_OFFSET(nsLiveconnect, nsILiveconnect) },
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{ NS_IPLUGINSTREAMLISTENER_IID, INTERFACE_OFFSET(nsLiveconnect, nsIPluginStreamListener) },
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};
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const UInt32 nsLiveconnect::kInterfaceCount = sizeof(sInterfaces) / sizeof(InterfaceInfo);
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nsLiveconnect::nsLiveconnect()
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: SupportsMixin(this, sInterfaces, kInterfaceCount),
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mJavaScriptMonitor(NULL), mScript(NULL), mResult(NULL)
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{
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}
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nsLiveconnect::~nsLiveconnect()
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{
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if (mJavaScriptMonitor != NULL)
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delete mJavaScriptMonitor;
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}
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static char* u2c(const jchar *ustr, jsize length)
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{
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char* result = new char[length + 1];
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if (result != NULL) {
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char* cstr = result;
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while (length-- > 0) {
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*cstr++ = (char) *ustr++;
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}
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*cstr = '\0';
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}
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return result;
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}
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const char* kJavaScriptPrefix = "javascript:";
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NS_METHOD
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nsLiveconnect::Eval(JNIEnv *env, jsobject obj, const jchar *script, jsize length, void* principalsArray[],
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int numPrincipals, void *securityContext, jobject *outResult)
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{
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MRJPluginInstance* pluginInstance = (MRJPluginInstance*) obj;
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nsIPluginStreamListener* listener = this;
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if (mJavaScriptMonitor == NULL)
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mJavaScriptMonitor = new MRJMonitor(pluginInstance->getSession());
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mJavaScriptMonitor->enter();
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while (mScript != NULL) {
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// some other thread is evaluating a script.
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mJavaScriptMonitor->wait();
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}
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// convert the script to ASCII, construct a "javascript:" URL.
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char* cscript = u2c(script, length);
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mScript = new char[strlen(kJavaScriptPrefix) + length + 1];
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strcpy(mScript, kJavaScriptPrefix);
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strcat(mScript, cscript);
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delete[] cscript;
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nsresult result = thePluginManager->GetURL((nsIPluginInstance*)pluginInstance, mScript, NULL, listener);
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// need to block until the result is ready.
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mJavaScriptMonitor->wait();
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// default result is NULL, in case JavaScript returns undefined value.
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*outResult = NULL;
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// result should now be ready, convert it to a Java string and return.
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if (mResult != NULL) {
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*outResult = env->NewStringUTF(mResult);
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delete[] mResult;
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mResult = NULL;
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}
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delete[] mScript;
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mScript = NULL;
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mJavaScriptMonitor->notifyAll();
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mJavaScriptMonitor->exit();
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return NS_OK;
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}
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NS_METHOD nsLiveconnect::OnDataAvailable(nsIPluginStreamInfo* pluginInfo, nsIInputStream* input, PRUint32 length)
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{
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// hopefully all our data is available.
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mResult = new char[length + 1];
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if (mResult != NULL) {
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if (input->Read(mResult, length, &length) == NS_OK) {
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// We've delayed processing the applet tag, because we
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// don't know the location of the curren document yet.
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mResult[length] = '\0';
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}
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}
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return NS_OK;
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}
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NS_METHOD nsLiveconnect::OnStopBinding(nsIPluginStreamInfo* pluginInfo, nsresult status)
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{
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// the stream has been closed, notify any waiting Java threads.
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mJavaScriptMonitor->notifyAll();
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return NS_OK;
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}
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/*
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nsLiveConnect.h
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*/
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#include "nsILiveconnect.h"
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#include "nsIPluginStreamListener.h"
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#include "SupportsMixin.h"
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class MRJMonitor;
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class nsLiveconnect : public nsILiveconnect,
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public nsIPluginStreamListener,
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public SupportsMixin {
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public:
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DECL_SUPPORTS_MIXIN
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nsLiveconnect();
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virtual ~nsLiveconnect();
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/**
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* get member of a Native JSObject for a given name.
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*
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* @param obj - A Native JS Object.
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* @param name - Name of a member.
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* @param pjobj - return parameter as a java object representing
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* the member. If it is a basic data type it is converted to
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* a corresponding java type. If it is a NJSObject, then it is
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* wrapped up as java wrapper netscape.javascript.JSObject.
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*/
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NS_IMETHOD
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GetMember(JNIEnv *env, jsobject jsobj, const jchar *name, jsize length, void* principalsArray[],
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int numPrincipals, void *securityContext, jobject *pjobj)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* get member of a Native JSObject for a given index.
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*
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* @param obj - A Native JS Object.
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* @param slot - Index of a member.
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* @param pjobj - return parameter as a java object representing
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* the member.
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*/
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NS_IMETHOD
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GetSlot(JNIEnv *env, jsobject jsobj, jint slot, void* principalsArray[],
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int numPrincipals, void *securityContext, jobject *pjobj)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* set member of a Native JSObject for a given name.
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*
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* @param obj - A Native JS Object.
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* @param name - Name of a member.
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* @param jobj - Value to set. If this is a basic data type, it is converted
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* using standard JNI calls but if it is a wrapper to a JSObject
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* then a internal mapping is consulted to convert to a NJSObject.
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*/
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NS_IMETHOD
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SetMember(JNIEnv *env, jsobject jsobj, const jchar* name, jsize length, jobject jobj, void* principalsArray[],
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int numPrincipals, void *securityContext)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* set member of a Native JSObject for a given index.
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*
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* @param obj - A Native JS Object.
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* @param index - Index of a member.
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* @param jobj - Value to set. If this is a basic data type, it is converted
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* using standard JNI calls but if it is a wrapper to a JSObject
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* then a internal mapping is consulted to convert to a NJSObject.
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*/
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NS_IMETHOD
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SetSlot(JNIEnv *env, jsobject jsobj, jint slot, jobject jobj, void* principalsArray[],
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int numPrincipals, void *securityContext)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* remove member of a Native JSObject for a given name.
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*
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* @param obj - A Native JS Object.
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* @param name - Name of a member.
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*/
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NS_IMETHOD
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RemoveMember(JNIEnv *env, jsobject jsobj, const jchar* name, jsize length, void* principalsArray[],
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int numPrincipals, void *securityContext)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* call a method of Native JSObject.
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*
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* @param obj - A Native JS Object.
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* @param name - Name of a method.
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* @param jobjArr - Array of jobjects representing parameters of method being caled.
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* @param pjobj - return value.
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*/
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NS_IMETHOD
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Call(JNIEnv *env, jsobject jsobj, const jchar* name, jsize length, jobjectArray jobjArr, void* principalsArray[],
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int numPrincipals, void *securityContext, jobject *pjobj)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* Evaluate a script with a Native JS Object representing scope.
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*
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* @param obj - A Native JS Object.
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* @param principalsArray - Array of principals to be used to compare privileges.
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* @param numPrincipals - Number of principals being passed.
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* @param script - Script to be executed.
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* @param pjobj - return value.
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*/
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NS_IMETHOD
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Eval(JNIEnv *env, jsobject obj, const jchar *script, jsize length, void* principalsArray[],
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int numPrincipals, void *securityContext, jobject *outResult);
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/**
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* Get the window object for a plugin instance.
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*
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* @param pJavaObject - Either a jobject or a pointer to a plugin instance
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* representing the java object.
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* @param pjobj - return value. This is a native js object
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* representing the window object of a frame
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* in which a applet/bean resides.
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*/
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NS_IMETHOD
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GetWindow(JNIEnv *env, void *pJavaObject, void* principalsArray[],
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int numPrincipals, void *securityContext, jsobject *pobj)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* Finalize a JSObject instance.
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*
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* @param env - JNIEnv on which the call is being made.
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* @param obj - A Native JS Object.
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*/
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NS_IMETHOD
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FinalizeJSObject(JNIEnv *env, jsobject jsobj)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* Convert a JSObject to a string.
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*
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* @param env - JNIEnv on which the call is being made.
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* @param obj - A Native JS Object.
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* @param jstring - Return value as a jstring representing a JS object.
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*/
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NS_IMETHOD
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ToString(JNIEnv *env, jsobject obj, jstring *pjstring)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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// nsIPluginStreamListener implementation.
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/**
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* Notify the observer that the URL has started to load. This method is
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* called only once, at the beginning of a URL load.<BR><BR>
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*
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* @return The return value is currently ignored. In the future it may be
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* used to cancel the URL load..
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*/
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NS_IMETHOD
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OnStartBinding(nsIPluginStreamInfo* pluginInfo)
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{
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return NS_OK;
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}
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/**
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* Notify the client that data is available in the input stream. This
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* method is called whenver data is written into the input stream by the
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* networking library...<BR><BR>
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*
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* @param aIStream The input stream containing the data. This stream can
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* be either a blocking or non-blocking stream.
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* @param length The amount of data that was just pushed into the stream.
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* @return The return value is currently ignored.
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*/
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NS_IMETHOD
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OnDataAvailable(nsIPluginStreamInfo* pluginInfo, nsIInputStream* input, PRUint32 length);
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NS_IMETHOD
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OnFileAvailable(nsIPluginStreamInfo* pluginInfo, const char* fileName)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/**
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* Notify the observer that the URL has finished loading. This method is
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* called once when the networking library has finished processing the
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* URL transaction initiatied via the nsINetService::Open(...) call.<BR><BR>
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*
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* This method is called regardless of whether the URL loaded successfully.<BR><BR>
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*
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* @param status Status code for the URL load.
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* @param msg A text string describing the error.
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* @return The return value is currently ignored.
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*/
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NS_IMETHOD
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OnStopBinding(nsIPluginStreamInfo* pluginInfo, nsresult status);
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/**
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* What is this method supposed to do?
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*/
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NS_IMETHOD
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GetStreamType(nsPluginStreamType *result)
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{
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*result = nsPluginStreamType_Normal;
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return NS_OK;
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}
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private:
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MRJMonitor* mJavaScriptMonitor;
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char* mScript;
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char* mResult;
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|
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// support for SupportsMixin.
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static const InterfaceInfo sInterfaces[];
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static const UInt32 kInterfaceCount;
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};
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