mirror of
https://github.com/mozilla/gecko-dev.git
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151 lines
3.9 KiB
C++
151 lines
3.9 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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nsPluginsDirMac.cpp
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Mac OS implementation of the nsPluginsDir/nsPluginsFile classes.
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by Patrick C. Beard.
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*/
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#include "nsPluginsDir.h"
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#include "prlink.h"
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#include <Processes.h>
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#include <Folders.h>
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#include <Resources.h>
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#include <TextUtils.h>
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#include <string.h>
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static nsresult getApplicationDir(nsFileSpec& outAppDir)
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{
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// Use the process manager to get the application's FSSpec,
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// then construct an nsFileSpec that encapsulates it.
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FSSpec spec;
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ProcessInfoRec info;
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info.processInfoLength = sizeof(info);
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info.processName = NULL;
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info.processAppSpec = &spec;
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ProcessSerialNumber psn = { 0, kCurrentProcess };
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OSErr result = GetProcessInformation(&psn, &info);
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nsFileSpec appSpec(spec);
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appSpec.GetParent(outAppDir);
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return NS_OK;
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}
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nsPluginsDir::nsPluginsDir()
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{
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// Use the folder manager to get location of Extensions folder, and
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// build an FSSpec for "Netscape Plugins" within it.
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FSSpec& pluginsDir = *this;
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OSErr result = FindFolder(kOnSystemDisk,
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kExtensionFolderType,
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kDontCreateFolder,
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&pluginsDir.vRefNum,
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&pluginsDir.parID);
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if (result == noErr) {
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SetLeafName("Netscape Plugins");
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}
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}
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nsPluginsDir::~nsPluginsDir() {}
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PRBool nsPluginsDir::IsPluginFile(const nsFileSpec& fileSpec)
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{
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// look at file's creator/type and make sure it is a code fragment, etc.
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FInfo info;
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const FSSpec& spec = fileSpec;
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OSErr result = FSpGetFInfo(&spec, &info);
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if (result == noErr)
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return (info.fdType == 'shlb' && info.fdCreator == 'MOSS');
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return false;
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}
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nsPluginFile::nsPluginFile(const nsFileSpec& spec)
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: nsFileSpec(spec)
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{
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}
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nsPluginFile::~nsPluginFile() {}
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/**
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* Loads the plugin into memory using NSPR's shared-library loading
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* mechanism. Handles platform differences in loading shared libraries.
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*/
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nsresult nsPluginFile::LoadPlugin(PRLibrary* &outLibrary)
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{
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// How can we convert to a full path names for using with NSPR?
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nsFilePath path(*this);
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outLibrary = PR_LoadLibrary(path);
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return NS_OK;
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}
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static char* p2cstrdup(StringPtr pstr)
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{
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int len = pstr[0];
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char* cstr = new char[len + 1];
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if (cstr != NULL) {
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::BlockMoveData(pstr + 1, cstr, len);
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cstr[len] = '\0';
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}
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return cstr;
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}
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static char* GetPluginString(short id, short index)
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{
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Str255 str;
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::GetIndString(str, id, index);
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return p2cstrdup(str);
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}
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/**
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* Obtains all of the information currently available for this plugin.
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*/
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nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info)
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{
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// need to open the plugin's resource file and read some resources.
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const FSSpec spec = *this;
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short refNum = ::FSpOpenResFile(&spec, fsRdPerm);
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if (refNum != -1) {
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if (info.fPluginInfoSize >= sizeof(nsPluginInfo)) {
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// 'STR#', 126, 2 => plugin name.
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info.fName = GetPluginString(126, 2);
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// 'STR#', 126, 1 => plugin description.
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info.fDescription = GetPluginString(126, 1);
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// 'STR#', 128, 1 => MIME type.
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info.fMimeType = GetPluginString(128, 1);
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// 'STR#', 127, 1 => MIME description.
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info.fMimeDescription = GetPluginString(127, 1);
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// 'STR#', 128, 2 => extensions.
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info.fExtensions = GetPluginString(128, 2);
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info.fVariantCount = 0;
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info.fMimeTypeArray = NULL;
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info.fMimeDescriptionArray = NULL;
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}
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::CloseResFile(refNum);
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}
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return NS_OK;
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}
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