Back to index

lightning-sunbird  0.9+nobinonly
MRJPage.cpp
Go to the documentation of this file.
00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is the MRJ Carbon OJI Plugin.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corp.
00018  * Portions created by the Initial Developer are Copyright (C) 2001
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   Patrick C. Beard <beard@netscape.com>
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 /*
00039        MRJPage.cpp
00040        
00041        Encapsulates the new MRJ Page API, which loads applets into a common context.
00042        
00043        by Patrick C. Beard.
00044  */
00045 
00046 #include "MRJPage.h"
00047 #include "MRJSession.h"
00048 
00049 #include "StringUtils.h"
00050 
00051 MRJPage::MRJPage(MRJSession* session, UInt32 documentID, const char* codeBase, const char* archive, Boolean mayScript)
00052        :      mRefCount(0), mNextPage(NULL), mSession(session),
00053               mDocumentID(documentID), mCodeBase(strdup(codeBase)), mArchive(strdup(archive)), mMayScript(mayScript)
00054 {
00055        pushPage();
00056 
00057 #if !TARGET_CARBON
00058        if (&::JMNewAppletPage != NULL) {
00059               OSStatus status = ::JMNewAppletPage(&mPageRef, session->getSessionRef());
00060               if (status != noErr) mPageRef = NULL;
00061        }
00062 #endif
00063 }
00064 
00065 MRJPage::MRJPage(MRJSession* session, const MRJPageAttributes& attributes)
00066        :      mRefCount(0), mNextPage(NULL), mSession(session),
00067               mDocumentID(attributes.documentID), mCodeBase(strdup(attributes.codeBase)),
00068               mArchive(strdup(attributes.archive)), mMayScript(attributes.mayScript)
00069 {
00070        pushPage();
00071 
00072 #if !TARGET_CARBON
00073        if (&::JMNewAppletPage != NULL) {
00074               OSStatus status = ::JMNewAppletPage(&mPageRef, session->getSessionRef());
00075               if (status != noErr) mPageRef = NULL;
00076        }
00077 #endif
00078 }
00079 
00080 MRJPage::~MRJPage()
00081 {
00082        popPage();
00083        
00084 #if !TARGET_CARBON
00085        if (&::JMDisposeAppletPage != NULL && mPageRef != NULL) {
00086               OSStatus status = ::JMDisposeAppletPage(mPageRef);
00087               mPageRef = NULL;
00088        }
00089 #endif
00090        
00091        if (mCodeBase != NULL) {
00092               delete[] mCodeBase;
00093               mCodeBase = NULL;
00094        }
00095        
00096        if (mArchive != NULL) {
00097               delete[] mArchive;
00098               mArchive = NULL;
00099        }
00100 }
00101 
00102 UInt16 MRJPage::AddRef()
00103 {
00104        return (++mRefCount);
00105 }
00106 
00107 UInt16 MRJPage::Release()
00108 {
00109        UInt16 result = --mRefCount;
00110        if (result == 0) {
00111               delete this;
00112        }
00113        return result;
00114 }
00115 
00116 #if !TARGET_CARBON
00117 Boolean MRJPage::createContext(JMAWTContextRef* outContext, const JMAWTContextCallbacks * callbacks, JMClientData data)
00118 {
00119        OSStatus status = noErr;
00120        if (&::JMNewAWTContextInPage != NULL && mPageRef != NULL) {
00121               status = ::JMNewAWTContextInPage(outContext, mSession->getSessionRef(), mPageRef, callbacks, data);
00122        } else {
00123               status = ::JMNewAWTContext(outContext, mSession->getSessionRef(), callbacks, data);
00124        }
00125        return (status == noErr);
00126 }
00127 #endif
00128 
00129 static MRJPage* thePageList = NULL;
00130 
00131 MRJPage* MRJPage::getFirstPage()
00132 {
00133        return thePageList;
00134 }
00135 
00136 MRJPage* MRJPage::getNextPage()
00137 {
00138        return mNextPage;
00139 }
00140 
00141 void MRJPage::pushPage()
00142 {
00143        // put this on the global list of pages.
00144        mNextPage = thePageList;
00145        thePageList = this;
00146 }
00147 
00148 void MRJPage::popPage()
00149 {
00150        // Remove this page from the global list.
00151        MRJPage** link = &thePageList;
00152        MRJPage* page  = *link;
00153        while (page != NULL) {
00154               if (page == this) {
00155                      *link = mNextPage;
00156                      mNextPage = NULL;
00157                      break;
00158               }
00159               link = &page->mNextPage;
00160               page = *link;
00161        }
00162 }