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118281d6754cecb7fab00a3ff150a68086a9efca
Mozilla/mozilla/cmd/macfe/applevnt/mplugin.cp
beard%netscape.com a7d74f8cc6 Fix for RDF popdown clipping. This should be extended to handle tool tips. 
git-svn-id: svn://10.0.0.236/trunk@11583 18797224-902f-48f8-a5cc-f745e15eee43
1998-09-30 20:03:22 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// All the code-resource handling stuff has been adopted from:
// Multi-Seg CR example in CW
// Classes:
// CPluginInstance - one per plugin instance. Needs to call the functions
// CPluginHandler - one per plugin MIME type
#include "CHTMLView.h"
#include "macutil.h"
#include "npapi.h"
#include "mplugin.h"
#include "uprefd.h"
#include "ufilemgr.h"
#include "uapp.h" // might be unnecessary when we get rid of CFrontApp
#include "resgui.h"
#include "miconutils.h"
#include "uerrmgr.h"
#include "macgui.h"
#include "resae.h"
#include "edt.h" // for EDT_RegisterPlugin()
#include "CApplicationEventAttachment.h"
#if defined(JAVA)
#include "java.h" // for LJ_AddToClassPath
#endif
#include "np.h"
#include "nppg.h"
#include "prlink.h"
#include "npglue.h"
#include "nsIEventHandler.h"
#ifdef LAYERS
#include "layers.h"
#include "mkutils.h"
#endif // LAYERS
#include "MixedMode.h"
#include "MoreMixedMode.h"
#include <CodeFragments.h>
#include "LMenuSharing.h"
#include "CBrowserWindow.h"
// On a powerPC, plugins depend on being able to find qd in our symbol table
#ifdef powerc
// #pragma export qd
// beard: this seems to be an illegal pragma
#endif
const ResIDT nsPluginSig = 128; // STR#, MIME type is #1
struct _np_handle;
// *************************************************************************************
//
// class CPluginHandler
//
// *************************************************************************************
class CPluginHandler
{
friend void FE_UnloadPlugin(void* plugin, struct _np_handle* handle);
friend NPPluginFuncs* FE_LoadPlugin(void* plugin, NPNetscapeFuncs *, struct _np_handle* handle);
public:
// ¥¥ constructors
CPluginHandler(FSSpec& plugFile);
~CPluginHandler();
// ¥¥ xp->macfe
static Boolean CheckExistingHandlers(FSSpec& file);
NPPluginFuncs* LoadPlugin(NPNetscapeFuncs * funcs, _np_handle* handle);
void UnloadPlugin();
// plugin -> netscape
static void Status(const char * message);
static CPluginHandler* FindHandlerForPlugin(const CStr255& pluginName);
private:
// ¥¥ funcs
OSErr InitCodeResource(NPNetscapeFuncs * funcs, _np_handle* handle);
void CloseCodeResource(_np_handle* handle = NULL);
void ResetPlugFuncTable();
void OpenPluginResourceFork(Int16 inPrivileges);
// ¥¥ vars
short fRefCount;
PRLibrary* fLibrary; // For PPC
Handle fCode; // For 68K
NPPluginFuncs fPluginFuncs; // xp->plugin
NPP_MainEntryUPP fMainEntryFunc;
NPP_ShutdownUPP fUnloadFunc;
LFile* fFile; // File containing the plugin
CStr255 fPluginName; // Name of plug-in
CPluginHandler* fNextHandler; // Link to next handler in the global list
static CPluginHandler* sHandlerList; // Global list of all handlers
};
CPluginHandler* CPluginHandler::sHandlerList = NULL;
void* GetPluginDesc(const CStr255& pluginName)
{
return CPluginHandler::FindHandlerForPlugin(pluginName);
}
//
// Find a handler given a plug-in name (currently only
// called from CFrontApp:RegisterMimeType).
//
CPluginHandler* CPluginHandler::FindHandlerForPlugin(const CStr255& pluginName)
{
CPluginHandler* handler = CPluginHandler::sHandlerList;
while (handler != NULL)
{
if (handler->fPluginName == pluginName)
return handler;
handler = handler->fNextHandler;
}
return nil;
}
//
// Check the handlers we already have registered against
// the given file spec. We donÕt want to redundantly
// create handlers for the same plugin file.
//
Boolean CPluginHandler::CheckExistingHandlers(FSSpec& file)
{
CPluginHandler* handler = CPluginHandler::sHandlerList;
while (handler != NULL)
{
if (handler->fFile)
{
FSSpec existingFile;
handler->fFile->GetSpecifier(existingFile);
if (existingFile.vRefNum == file.vRefNum && existingFile.parID == file.parID)
{
if (EqualString(existingFile.name, file.name, true, true))
return false;
}
}
handler = handler->fNextHandler;
}
return true;
}
// ¥¥ constructors
CPluginHandler::CPluginHandler(FSSpec& plugFile)
{
// Variables
fRefCount = 0;
fCode = NULL;
fLibrary = NULL;
fFile = NULL;
fMainEntryFunc = NULL;
fUnloadFunc = NULL;
fNextHandler = NULL;
fPluginName = "";
Try_
{
fFile = new LFile(plugFile);
fFile->OpenResourceFork(fsRdPerm);
// Look for the plug-in description resource
CStringListRsrc descRsrc(126);
CStr255 pluginDescription;
// Read plug-in description if available; if not, use blank description
short descCount = descRsrc.CountStrings();
if (descCount > 0)
descRsrc.GetString(1, pluginDescription);
if (descCount <= 0 || ResError())
pluginDescription = "";
// Read plug-in name if available; if not, use file name
if (descCount > 1)
descRsrc.GetString(2, fPluginName);
if (descCount <= 1 || ResError())
fPluginName = plugFile.name;
// cstring fileName((const unsigned char*) plugFile.name);
char* fileName = CFileMgr::EncodedPathNameFromFSSpec(plugFile, TRUE);
ThrowIfNil_(fileName);
fileName = NET_UnEscape(fileName);
NPError err = NPL_RegisterPluginFile(fPluginName, fileName, pluginDescription, this);
XP_FREE(fileName);
ThrowIfOSErr_(err);
CStringListRsrc mimeList(128);
CStringListRsrc descList(127);
UInt32 mimeTotal = mimeList.CountStrings() >> 1; // 2 strings per entry
UInt32 descTotal = descList.CountStrings();
UInt32 count, mimeIndex, descIndex;
ThrowIf_(mimeTotal == 0);
for (count = mimeIndex = descIndex = 1; count <= mimeTotal; count++, mimeIndex += 2, descIndex++)
{
CStr255 mimeType;
CStr255 extensions;
CStr255 description;
mimeList.GetString(mimeIndex, mimeType);
if (ResError())
continue;
mimeList.GetString(mimeIndex + 1, extensions);
if (ResError())
continue;
//
// Get the description string from the plug-in.
// If they didn't specify one, use a pre-existing
// description if it exists (e.g. we know by default
// that video/quicktime is "Quicktime Video"). If
// we still didn't find a description, just use the
// MIME type.
//
Boolean gotDescription = false;
if (descIndex <= descTotal)
{
descList.GetString(descIndex, description);
gotDescription = (ResError() == noErr);
}
if (!gotDescription)
{
NET_cdataStruct temp;
NET_cdataStruct* cdata;
char* mimetype = (char*) mimeType;
memset(&temp, 0, sizeof(temp));
temp.ci.type = mimetype;
cdata = NET_cdataExist(&temp);
if (cdata && cdata->ci.desc)
description = cdata->ci.desc;
else
description = mimeType;
}
//
// Look up this type in the MIME table. If it's not found, then
// the user hasn't seen this plug-in type before, so make a new
// mapper for the table with the type defaulted to be handled by
// the plug-in. If it was found, but was from an old prefs file
// (that didn't contain plug-in information), make sure the plug-
// in still gets priority so users don't freak out the first time
// they run a new Navigator and the plug-ins stop working. If it
// was found but was latent (disabled because the plug-in was
// missing), re-enable it now because the plug-in is present again.
//
cstring type((const unsigned char*) mimeType);
CMimeMapper* mapper = CPrefs::sMimeTypes.FindMimeType(type);
if (mapper == NULL)
{
mapper = new CMimeMapper(CMimeMapper::Plugin, mimeType, "", extensions, '????', '????');
ThrowIfNil_(mapper);
mapper->SetPluginName(fPluginName);
mapper->SetDescription(description);
CPrefs::sMimeTypes.InsertItemsAt(1, LArray::index_Last, &mapper);
CPrefs::SetModified();
mapper->WriteMimePrefs(); // convert mapper to xp prefs
}
else if (mapper->FromOldPrefs())
{
mapper->SetPluginName(fPluginName);
mapper->SetExtensions(extensions);
mapper->SetDescription(description);
mapper->SetLoadAction(CMimeMapper::Plugin);
CPrefs::SetModified();
mapper->WriteMimePrefs(); // convert mapper to xp prefs
}
else if (mapper->LatentPlugin())
{
XP_ASSERT(mapper->GetLoadAction() == CMimeMapper::Unknown);
mapper->SetLoadAction(CMimeMapper::Plugin);
CPrefs::SetModified();
}
else
{
//
// Only update the description if (a) thereÕs a description
// from the plug-in itself (as opposed to a default description),
// and (b) the current description is blank (we donÕt want to
// overwrite a user-edited description).
//
if (gotDescription && mapper->GetDescription() == "")
{
mapper->SetDescription(description);
CPrefs::SetModified();
}
}
// Now we know whether the plug-in should be enabled or not
Boolean enabled = ((mapper->GetLoadAction() == CMimeMapper::Plugin) &&
(fPluginName == mapper->GetPluginName()));
NPL_RegisterPluginType(type, (char*) mapper->GetExtensions(), (char*) mapper->GetDescription(), NULL, this, enabled);
}
fFile->CloseResourceFork();
}
Catch_(inErr)
{
if (fFile != NULL)
fFile->CloseResourceFork();
}
EndCatch_;
ResetPlugFuncTable();
// Link us into the global list of handlers
fNextHandler = CPluginHandler::sHandlerList;
CPluginHandler::sHandlerList = this;
}
CPluginHandler::~CPluginHandler() // This code never gets called
{
// CloseCodeResource();
if (fFile)
delete fFile;
if (this == CPluginHandler::sHandlerList)
CPluginHandler::sHandlerList = NULL;
else
{
CPluginHandler* handler = CPluginHandler::sHandlerList;
while (handler != NULL)
{
if (this == handler->fNextHandler)
{
handler->fNextHandler = this->fNextHandler;
break;
}
handler = handler->fNextHandler;
}
}
}
void CPluginHandler::ResetPlugFuncTable()
{
fMainEntryFunc = NULL;
fUnloadFunc = NULL;
memset(&fPluginFuncs, 0, sizeof(NPPluginFuncs));
}
NPPluginFuncs * CPluginHandler::LoadPlugin(NPNetscapeFuncs * funcs, _np_handle* handle)
{
// XXX Needs to be fixed for C++ Plugin API
OSErr err = InitCodeResource(funcs, handle);
if (err == noErr)
return &fPluginFuncs;
return NULL;
}
OSErr CPluginHandler::InitCodeResource(NPNetscapeFuncs* funcs, _np_handle* handle)
{
fRefCount++;
if (fCode != NULL || fLibrary != 0) // Already loaded
return noErr;
OSErr err = noErr;
#ifdef DEBUG
EDebugAction oldThrow = UDebugging::gDebugThrow;
EDebugAction oldSignal = UDebugging::gDebugSignal;
UDebugging::gDebugThrow = debugAction_Nothing;
UDebugging::gDebugSignal = debugAction_Nothing;
#endif
Try_
{
OpenPluginResourceFork(fsRdWrPerm);
Try_
{ // PPC initialization
if (!UEnvironment::HasGestaltAttribute(gestaltCFMAttr, gestaltCFMPresent))
Throw_((OSErr)cfragNoLibraryErr); // No CFM
FSSpec fileSpec;
fFile->GetSpecifier(fileSpec);
char* cFullPath = CFileMgr::PathNameFromFSSpec(fileSpec, TRUE);
ThrowIfNil_(cFullPath);
fLibrary = PR_LoadLibrary(cFullPath);
ThrowIfNil_(fLibrary);
// PCB: Let's factor this into an XP function, please!
nsFactoryProc nsGetFactory = (nsFactoryProc) PR_FindSymbol(fLibrary, "NSGetFactory");
if (nsGetFactory != NULL) {
nsresult res = NS_OK;
if (thePluginManager == NULL) {
// For now, create the plugin manager on demand.
static NS_DEFINE_IID(kIPluginManagerIID, NS_IPLUGINMANAGER_IID);
res = nsPluginManager::Create(NULL, kIPluginManagerIID, (void**)&thePluginManager);
ThrowIf_(res != NS_OK || thePluginManager == NULL);
}
static NS_DEFINE_IID(kIPluginIID, NS_IPLUGIN_IID);
nsIPlugin* plugin = NULL;
res = nsGetFactory(kIPluginIID, (nsIFactory**)&plugin);
ThrowIf_(res != NS_OK || plugin == NULL);
// beard: establish the primary reference.
plugin->AddRef();
res = plugin->Initialize((nsIPluginManager2*)thePluginManager);
ThrowIf_(res != NS_OK);
handle->userPlugin = plugin;
} else {
fMainEntryFunc = (NPP_MainEntryUPP) PR_FindSymbol(fLibrary, "mainRD");
ThrowIfNil_(fMainEntryFunc);
}
}
Catch_(inErr)
{ // 68K if PPC fails
fLibrary = NULL; // No PPC
fCode = Get1Resource(emPluginFile, 128);
ThrowIfNil_(fCode);
::MoveHHi(fCode);
::HNoPurge(fCode);
::HLock(fCode);
//get the address of main and typecast it into a MainEntryProcUPP
fMainEntryFunc = (NPP_MainEntryUPP)(*fCode);
} EndCatch_
if (fMainEntryFunc != NULL) {
fPluginFuncs.version = funcs->version;
fPluginFuncs.size = sizeof(NPPluginFuncs);
err = CallNPP_MainEntryProc(fMainEntryFunc, funcs, &fPluginFuncs, &fUnloadFunc);
ThrowIfOSErr_(err);
if ((fPluginFuncs.version >> 8) < NP_VERSION_MAJOR)
Throw_((OSErr)NPERR_INCOMPATIBLE_VERSION_ERROR);
}
}
Catch_(inErr)
{
CloseCodeResource();
err = inErr;
}
EndCatch_
CPrefs::UseApplicationResFile(); // Revert the resource chain
#ifdef DEBUG
UDebugging::gDebugThrow = oldThrow;
UDebugging::gDebugSignal = oldSignal;
#endif
return err;
}
// Dispose of the code
void CPluginHandler::CloseCodeResource(_np_handle* handle)
{
// Already unloaded?
if (fRefCount == 0)
return;
// If there are still outstanding references, don't unload yet
fRefCount--;
if (fRefCount > 0)
return;
if (handle != NULL) {
nsIPlugin* userPlugin = handle->userPlugin;
if (userPlugin != NULL) {
userPlugin->Release();
handle->userPlugin = NULL;
}
} else
if (fUnloadFunc != NULL)
CallNPP_ShutdownProc(fUnloadFunc);
// Dispose of the code
// 68K, just release the resource
if (fCode != NULL)
{
::HUnlock(fCode);
::HPurge(fCode);
::ReleaseResource(fCode);
fCode = NULL;
}
// PPC, close the connections
if (fLibrary != NULL)
{
int err = PR_UnloadLibrary(fLibrary);
Assert_(err == 0);
fLibrary = NULL;
}
ResetPlugFuncTable();
Try_
{
fFile->CloseResourceFork();
}
Catch_(inErr){} EndCatch_
Try_
{
fFile->CloseDataFork();
}
Catch_(inErr){} EndCatch_
}
typedef struct ResourceMapEntry ResourceMapEntry, **ResourceMapHandle;
// See More Macintosh Toolbox, pp. 1-122, 1-123.
#if PRAGMA_ALIGN_SUPPORTED
#pragma options align=mac68k
#endif
struct ResourceMapEntry
{
UInt32 dataOffset;
UInt32 mapOffset;
UInt32 dataLength;
UInt32 mapLength;
ResourceMapHandle nextMap;
UInt16 refNum;
};
#if PRAGMA_ALIGN_SUPPORTED
#pragma options align=reset
#endif
//
// Open the plug-inÕs resource fork BELOW the the applicationÕs
// resource fork. If we just opened the plug-in above the
// application but set the current res file to the app, the
// plug-in will be made current by the Resource Manager if the
// current res file is closed, which can happen when we close
// our prefs file after writing something to it. Once the plug-
// in is the current res file, if there are any resource conflicts
// between the two weÕll get the plug-inÕs resource instead of
// ours, causing woe.
//
void CPluginHandler::OpenPluginResourceFork(Int16 inPrivileges)
{
Try_
{
Int16 plugRef = fFile->OpenResourceFork(inPrivileges); // Open normally
// The plug-in should now be at the top of the chain
ResourceMapHandle plugMap = (ResourceMapHandle) LMGetTopMapHndl();
ThrowIf_((**plugMap).refNum != plugRef);
// Search down the chain to find the appÕs map
short appRef = LMGetCurApRefNum();
ResourceMapHandle appMap = (ResourceMapHandle) LMGetTopMapHndl();
while (appMap && (**appMap).refNum != appRef)
appMap = (**appMap).nextMap;
ThrowIfNil_(appMap);
// Remove the plug-in from the top of the chain
ResourceMapHandle newTop = (**plugMap).nextMap;
ThrowIfNil_(newTop);
LMSetTopMapHndl((Handle)newTop);
// Re-insert the plug-in below the application
(**plugMap).nextMap = (**appMap).nextMap;
(**appMap).nextMap = plugMap;
}
Catch_(inErr)
{
}
EndCatch_
}
void RegisterPluginsInFolder(FSSpec folder);
// Recursive registration of all plugins
void RegisterPluginsInFolder(FSSpec folder)
{
// find all the files that are plugins
CFileIter iter(folder);
FSSpec plugFile;
FInfo finderInfo;
Boolean isFolder;
while (iter.Next(plugFile, finderInfo, isFolder))
{
if (isFolder)
RegisterPluginsInFolder(plugFile);
else if (finderInfo.fdType == emPluginFile)
{
//
// Check the handlers we already have registered against
// the given file spec. We donÕt want to redundantly
// create handlers for the same plugin file.
//
if (CPluginHandler::CheckExistingHandlers(plugFile))
{
Try_
{
CPluginHandler* plug = new CPluginHandler(plugFile);
}
Catch_(inErr){}
EndCatch_
}
}
#ifdef EDITOR
else {
unsigned char *name = &plugFile.name[0];
int len = name[0];
/* This checks to see if the name starts with cp and ends in '.zip' or '.jar'.
*/
if (len >= 5) {
if ((name[1] == 'c' || name[1] == 'C')
&& (name[2] == 'p' || name[2] == 'P')
&& (name[len - 3] == '.')
&& ((name[len - 2] == 'z' || name[len - 2] == 'Z')
&& (name[len - 1] == 'i' || name[len - 1] == 'I')
&& (name[len - 0] == 'p' || name[len - 0] == 'P'))
|| ((name[len - 2] == 'j' || name[len - 2] == 'J')
&& (name[len - 1] == 'a' || name[len - 1] == 'A')
&& (name[len - 0] == 'r' || name[len - 0] == 'R'))) {
char *cFullPath = CFileMgr::PathNameFromFSSpec( plugFile, TRUE );
ThrowIfNil_(cFullPath);
char* cUnixFullPath = CFileMgr::EncodeMacPath(cFullPath); // Frees cFullPath
ThrowIfNil_(cUnixFullPath);
(void) NET_UnEscape(cUnixFullPath);
EDT_RegisterPlugin(cUnixFullPath);
XP_FREE(cUnixFullPath);
}
}
}
#endif // EDITOR
}
//
// Tell Java to look in this directory for class files
// so LiveConnect-enabled plug-ins can store their classes
// with the plug-in.
//
Try_
{
char* cFullPath = CFileMgr::PathNameFromFSSpec(folder, TRUE);
ThrowIfNil_(cFullPath);
char* cUnixFullPath = CFileMgr::EncodeMacPath(cFullPath); // Frees cFullPath
ThrowIfNil_(cUnixFullPath);
(void) NET_UnEscape(cUnixFullPath);
#if defined(JAVA)
// Tell Java about this path name
LJ_AddToClassPath(cUnixFullPath);
#elif defined(OJI)
// What, tell the current Java plugin about this class path?
#endif
XP_FREE(cUnixFullPath);
}
Catch_(inErr) {}
EndCatch_
}
//
// Default handler registered below for formats FO_CACHE_AND_EMBED and
// FO_CACHE, across all types. This handler recovers the pointer to
// our CPluginView and tells it that it does not have a valid plugin
// instance.
//
NET_StreamClass* EmbedDefault(
int format_out, void* registration, URL_Struct* request, MWContext* context);
NET_StreamClass* EmbedDefault(
int /*format_out*/, void* /*registration*/, URL_Struct* request, MWContext*)
{
if (request != NULL)
{
NPEmbeddedApp* fe_data = (NPEmbeddedApp*) request->fe_data;
if (fe_data != NULL)
{
CPluginView* plugin = (CPluginView*) fe_data->fe_data;
if (plugin != NULL)
plugin->SetBrokenPlugin();
}
}
return NULL;
}
/* Returns the plugin folder spec */
OSErr FindPluginFolder(FSSpec * plugFolder, Boolean create);
OSErr FindPluginFolder(FSSpec * plugFolder, Boolean create)
{
FSSpec netscapeSpec = CPrefs::GetFolderSpec(CPrefs::NetscapeFolder);
long netscape_dirID;
OSErr err;
if ( (err=CFileMgr::GetFolderID(netscapeSpec, netscape_dirID)) == noErr )
{
#ifndef PLUGIN_FOLDER_NAME_MUST_BE_MOVED_TO_A_RESOURCE
/*
Yes! It's a bugus preprocessor symbol, but it got your attention, didn't it?
For localization, the plugin folder name should be moved to a resource, however there is no reported
bug yet (and we're currently under change control).
***Move only the preferred name into a resource. Leave the old name as a constant string in the source
(since the old name will not have been localized on any users disk).***
In the meantime...
*/
Str255 pluginFolderName = "\pPlug-ins";
#else
// The preferred (localized) name of the plugins folder is in a resource...
Str255 pluginFolderName;
GetIndString(pluginFolderName, ..., ...);
#endif
FSSpec oldNameSpec;
Boolean isFolder, wasAliased;
// first look for the preferences folder with the preferred name
if ( ((err=FSMakeFSSpec(netscapeSpec.vRefNum, netscape_dirID, pluginFolderName, plugFolder)) == noErr) // ...if we made the FSSpec ok
&& ((err=ResolveAliasFile(plugFolder, true, &isFolder, &wasAliased)) == noErr) ) // ...and it leads to something
{
// the plugins folder already exists as "Plug-ins", nothing else to do
}
// else, try the old name (using |oldNameSpec|, so that if not found, I can create a folder from the preferred spec created above)
else if ( ((err=FSMakeFSSpec(netscapeSpec.vRefNum, netscape_dirID, "\pPlugins", &oldNameSpec)) == noErr) // ...if we made the FSSpec ok
&& ((err=ResolveAliasFile(&oldNameSpec, true, &isFolder, &wasAliased)) == noErr) ) // ...and it leads to something
{
// the plugins folder already exists as [deprecated] "Plugins", copy the spec we used to learn that to the caller
FSMakeFSSpec(oldNameSpec.vRefNum, oldNameSpec.parID, oldNameSpec.name, plugFolder);
}
// otherwise, we may need to create it
else if ( create )
{
long created_dirID;
err = FSpDirCreate(plugFolder, smSystemScript, &created_dirID);
}
}
return err;
}
// *************************************************************************************
//
// XP interface methods
//
// *************************************************************************************
void FE_RegisterPlugins();
void FE_RegisterPlugins()
{
//
// Register a wildcard handler for "embed" types before we scan the
// plugins folder -- that way, if a "null plugin" is found that
// also registers "*"/FO_EMBED, it will be registered later than this
// handler and thus take precendence.
//
NET_RegisterContentTypeConverter("*", FO_EMBED, NULL, EmbedDefault);
OSErr err;
FSSpec plugFolder;
if (!IsThisKeyDown(kOptionKey)) // Skip loading plugins if option key is down
err = FindPluginFolder(&plugFolder, false);
else
err = -1;
if (err != noErr)
{
CFrontApp::SplashProgress(GetPString(MAC_NO_PLUGIN));
return;
}
else
{
CFrontApp::SplashProgress(GetPString(MAC_REGISTER_PLUGINS));
RegisterPluginsInFolder(plugFolder);
}
//
// Now that all plug-ins have been registered, look through the MIME table
// for types that are assigned to non-existant plug-ins or plug-in types,
// and change all these types to use "Unknown".
//
LArrayIterator iterator(CPrefs::sMimeTypes);
CMimeMapper* mapper;
while (iterator.Next(&mapper))
{
if (mapper->GetLoadAction() == CMimeMapper::Plugin) // Handled by plug-in?
{
Boolean foundType = false;
char* otherPluginName = NULL;
// Look for the desired plug-in
CStr255 mapperName = mapper->GetPluginName();
NPReference plugin = NPRefFromStart;
char* name;
while (NPL_IteratePluginFiles(&plugin, &name, NULL, NULL))
{
// Look for the desired type
CStr255 mapperMime = mapper->GetMimeName();
NPReference mimetype = NPRefFromStart;
char* type;
while (NPL_IteratePluginTypes(&mimetype, plugin, &type, NULL, NULL, NULL))
{
if (mapperMime == type)
{
if (mapperName != name)
otherPluginName = name;
else
foundType = true;
break;
}
}
}
if (!foundType) // No plug-in, or no type?
{
if (otherPluginName)
{
void* pdesc = GetPluginDesc(otherPluginName);
if (pdesc)
NPL_EnablePluginType((char*)mapper->GetMimeName(), pdesc, TRUE);
mapper->SetPluginName(otherPluginName);
CPrefs::SetModified();
}
else
{
mapper->SetLatentPlugin(); // Mark the plug-in as Òdisabled because missingÓ
CPrefs::SetModified(); // The prefs have changed
}
}
}
}
}
NPPluginFuncs * FE_LoadPlugin(void *plugin, NPNetscapeFuncs * funcs, struct _np_handle* handle)
{
return ((CPluginHandler*)plugin)->LoadPlugin(funcs, handle);
}
void FE_UnloadPlugin(void *plugin, struct _np_handle* handle)
{
((CPluginHandler*)plugin)->CloseCodeResource(handle);
}
//
// This exit routine is called when an embed stream completes.
// We use that opportunity to see if something when wrong when
// creating the initial stream for the plug-in so we can
// display some helpful UI.
//
void FE_EmbedURLExit(URL_Struct* /*urls*/, int /*status*/, MWContext* /*cx*/)
{
// bing: Don't do anything here until we figure out a
}
//
// This code is called by npn_status, which is called by the plug-in.
// The plug-in may have manipulated the port before calling us, so
// we have to assume that we're out of focus so we'll draw in the
// right place. We also need to save and restore the entire port
// state so the plug-in's port settings are trashed.
//
void FE_PluginProgress(MWContext* cx, const char* message)
{
GrafPtr currentPort;
GetPort(&currentPort);
StColorPortState portState(currentPort);
portState.Save(currentPort);
StUseResFile resFile(LMGetCurApRefNum());
LView::OutOfFocus(nil); // Make sure FE_Progress focuses the caption
FE_Progress(cx, message);
LView::OutOfFocus(nil); // portState.Restore will screw up the focus again
portState.Restore();
}
//
// See comments in npglue.c in np_geturlinternal.
//
void FE_ResetRefreshURLTimer(MWContext* )
{
Assert_(false);
// if (NETSCAPEVIEW(context))
// NETSCAPEVIEW(context)->ResetRefreshURLTimer();
}
// A generic way to query information. Nothing to do now.
NPError FE_PluginGetValue(MWContext *, NPEmbeddedApp *, NPNVariable ,
void */*r_value*/)
{
return NPERR_NO_ERROR;
}
//
// Rather than having to scan an explicit list of windows each time an event
// comes in, why not use a sub-class of LWindow, and let PowerPlant do the work
// for us?
//
#pragma mark ### CPluginWindow ###
class CPluginWindow : public LWindow, public LPeriodical {
public:
CPluginWindow(nsIEventHandler* eventHandler, WindowRef window);
virtual ~CPluginWindow();
virtual void HandleClick(const EventRecord& inMacEvent, Int16 inPart);
virtual void EventMouseUp(const EventRecord &inMacEvent);
virtual Boolean ObeyCommand(CommandT inCommand, void *ioParam);
virtual Boolean HandleKeyPress(const EventRecord& inKeyEvent);
virtual void DrawSelf();
virtual void SpendTime(const EventRecord& inMacEvent);
virtual void ActivateSelf();
virtual void DeactivateSelf();
virtual void AdjustCursorSelf(Point inPortPt, const EventRecord& inMacEvent);
Boolean IsPluginCommand(CommandT inCommand);
Boolean PassPluginEvent(EventRecord& event);
private:
nsIEventHandler* mEventHandler;
SInt16 mKind;
};
void FE_RegisterWindow(nsIEventHandler* handler, void* window)
{
#if 1
LCommander::LCommander::SetDefaultCommander(LCommander::GetTopCommander());
CPluginWindow* pluginWindow = new CPluginWindow(handler, WindowRef(window));
XP_ASSERT(pluginWindow != NULL);
if (pluginWindow != NULL) {
pluginWindow->Show();
pluginWindow->Select();
}
#else
((CPluginView*)plugin)->RegisterWindow(window);
#endif
}
void FE_UnregisterWindow(nsIEventHandler* handler, void* window)
{
#if 1
// Toss the pluginWindow itself.
LWindow* pluginWindow = LWindow::FetchWindowObject(WindowPtr(window));
if (pluginWindow != NULL) {
// Hide the window.
pluginWindow->Hide();
// Notify PowerPlant that the window is no longer active.
// pluginWindow->Deactivate();
delete pluginWindow;
}
#else
((CPluginView*)plugin)->UnregisterWindow(window);
#endif
}
#if 0
SInt16 FE_AllocateMenuID(void *plugin, XP_Bool isSubmenu)
{
return ((CPluginView*)plugin)->AllocateMenuID(isSubmenu);
}
#endif
CPluginWindow::CPluginWindow(nsIEventHandler* eventHandler, WindowRef window)
{
mEventHandler = eventHandler;
mMacWindowP = window;
// The following is cribbed from one of the LWindow constructors.
// "bless" the plugin window so it will be considered to be a first-class PowerPlant window.
mKind = ::GetWindowKind(window);
::SetWindowKind(window, PP_Window_Kind);
::SetWRefCon(window, long(this));
// Set some default attributes.
SetAttribute(windAttr_CloseBox | windAttr_TitleBar | windAttr_Resizable
| windAttr_SizeBox | windAttr_Targetable | windAttr_Enabled);
// Window Frame and Image are the same as its portRect.
short width = mMacWindowP->portRect.right - mMacWindowP->portRect.left;
short height = mMacWindowP->portRect.bottom - mMacWindowP->portRect.top;
ResizeFrameTo(width, height, false);
ResizeImageTo(width, height, false);
CalcRevealedRect();
// Initial size and location are the "user" state for zooming.
CalcPortFrameRect(mUserBounds);
PortToGlobalPoint(topLeft(mUserBounds));
PortToGlobalPoint(botRight(mUserBounds));
mVisible = triState_Off;
mActive = triState_Off;
mEnabled = triState_Off;
if (HasAttribute(windAttr_Enabled)) {
mEnabled = triState_On;
}
FocusDraw();
::GetForeColor(&mForeColor);
::GetBackColor(&mBackColor);
StartIdling();
}
CPluginWindow::~CPluginWindow()
{
// prevent the LWindow destructor from clobbering the window.
if (mMacWindowP != NULL) {
WindowPtr window = mMacWindowP;
if (IsWindowVisible(window))
HideSelf();
// Restore kind and refCon to original values.
::SetWindowKind(window, mKind);
::SetWRefCon(window, 0);
mMacWindowP = NULL;
}
}
void CPluginWindow::HandleClick(const EventRecord& inMacEvent, Int16 inPart)
{
EventRecord mouseEvent = inMacEvent;
if (!PassPluginEvent(mouseEvent))
LWindow::HandleClick(inMacEvent, inPart);
}
void CPluginWindow::EventMouseUp(const EventRecord& inMouseUp)
{
EventRecord mouseEvent = inMouseUp;
PassPluginEvent(mouseEvent);
}
Boolean CPluginWindow::ObeyCommand(CommandT inCommand, void *ioParam)
{
if (IsPluginCommand(inCommand)) {
EventRecord menuEvent;
::OSEventAvail(0, &menuEvent);
menuEvent.what = nsPluginEventType_MenuCommandEvent;
menuEvent.message = -inCommand; // PowerPlant encodes a raw menu selection as the negation of the selection.
return PassPluginEvent(menuEvent);
}
return LWindow::ObeyCommand(inCommand, ioParam);
}
Boolean CPluginWindow::HandleKeyPress(const EventRecord& inKeyEvent)
{
EventRecord keyEvent = inKeyEvent;
return PassPluginEvent(keyEvent);
}
void CPluginWindow::DrawSelf()
{
EventRecord updateEvent;
::OSEventAvail(0, &updateEvent);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(mMacWindowP);
PassPluginEvent(updateEvent);
}
void CPluginWindow::SpendTime(const EventRecord& inMacEvent)
{
// Need to poll various states, because the plugin can change things like
// the window's visibility, size, etc.
// Put the visible state in synch with the window's visibility.
mVisible = (IsWindowVisible(mMacWindowP) ? triState_On : triState_Off);
// Make sure the window's size hasn't changed (what about location?)
short width = mMacWindowP->portRect.right - mMacWindowP->portRect.left;
short height = mMacWindowP->portRect.bottom - mMacWindowP->portRect.top;
if (mFrameSize.width != width || mFrameSize.height != height) {
ResizeFrameTo(width, height, false);
ResizeImageTo(width, height, false);
CalcRevealedRect();
}
EventRecord macEvent = inMacEvent;
PassPluginEvent(macEvent);
//
// If weÕre in SpendTime because of a non-null event, send a
// null event too. Some plug-ins (e.g. Shockwave) rely on null
// events for animation, so it doesnÕt matter if weÕre giving
// them lots of time with mouseMoved or other events -- if they
// donÕt get null events, they donÕt animate fast.
//
if (macEvent.what != nullEvent) {
macEvent.what = nullEvent;
PassPluginEvent(macEvent);
}
}
void CPluginWindow::ActivateSelf()
{
LWindow::ActivateSelf();
EventRecord activateEvent;
::OSEventAvail(0, &activateEvent);
activateEvent.what = activateEvt;
activateEvent.modifiers |= activeFlag;
activateEvent.message = UInt32(mMacWindowP);
PassPluginEvent(activateEvent);
}
void CPluginWindow::DeactivateSelf()
{
LWindow::DeactivateSelf();
EventRecord activateEvent;
::OSEventAvail(0, &activateEvent);
activateEvent.what = activateEvt;
activateEvent.modifiers &= ~activeFlag;
activateEvent.message = UInt32(mMacWindowP);
PassPluginEvent(activateEvent);
}
void CPluginWindow::AdjustCursorSelf(Point inPortPt, const EventRecord& inMacEvent)
{
EventRecord cursorEvent = inMacEvent;
cursorEvent.what = nsPluginEventType_AdjustCursorEvent;
if (!PassPluginEvent(cursorEvent))
LWindow::AdjustCursorSelf(inPortPt, inMacEvent);
}
Boolean CPluginWindow::IsPluginCommand(CommandT inCommand)
{
#if 1
// Since only one plugin can have menus in the menu bar at a time,
// the test only checks to see if this plugin has any menus, and
// whether the command is synthetic and is from one of the plugin's menus.
if (thePluginManager != NULL) {
short menuID, menuItem;
if (LCommander::IsSyntheticCommand(inCommand, menuID, menuItem)) {
PRBool hasAllocated = PR_FALSE;
if (thePluginManager->HasAllocatedMenuID(mEventHandler, menuID, &hasAllocated) == NS_OK)
return hasAllocated;
}
}
return false;
#else
return mPlugin->IsPluginCommand(inCommand);
#endif
}
Boolean CPluginWindow::PassPluginEvent(EventRecord& event)
{
#if 1
nsPluginEvent pluginEvent = { &event, mMacWindowP };
PRBool eventHandled = PR_FALSE;
mEventHandler->HandleEvent(&pluginEvent, &eventHandled);
return eventHandled;
#else
return mPlugin->PassWindowEvent(event, mMacWindowP))
#endif
}
// *************************************************************************************
//
// CPluginView methods
//
// *************************************************************************************
#pragma mark ### CPluginView ###
CPluginView* CPluginView::sPluginTarget = NULL;
LArray* CPluginView::sPluginList = NULL;
//
// This static method lets the caller broadcast a mac event to
// all existing plug-ins (regardless of context). ItÕs used by
// CFrontApp::EventSuspendResume to broadcast suspend and resume
// events to plug-ins.
//
void CPluginView::BroadcastPluginEvent(const EventRecord& event)
{
if (sPluginList != NULL)
{
EventRecord eventCopy = event; // event is const, but PassEvent isnÕt
LArrayIterator iterator(*sPluginList);
CPluginView* plugin = NULL;
while (iterator.Next(&plugin))
(void) plugin->PassEvent(eventCopy);
}
}
// XXX The following two methods are obsolete -- CPluginWindow now does the work.
// This gets called for every event - a performance analysis/review would be good
Boolean CPluginView::PluginWindowEvent(const EventRecord& event)
{
WindowPtr hitWindow;
switch(event.what)
{
case mouseDown:
case mouseUp:
::FindWindow(event.where, &hitWindow);
break;
case autoKey:
case keyDown:
case keyUp:
hitWindow = ::FrontWindow();
break;
case activateEvt:
case updateEvt:
hitWindow = (WindowPtr) event.message;
break;
case nullEvent:
case diskEvt:
case osEvt:
case kHighLevelEvent:
default:
return false;
}
#if 1
// Determine which plugin owns this window.
Boolean isActivateEvent = (event.what == activateEvt && (event.modifiers & activeFlag));
CPluginView* owningPlugin = FindPlugin(hitWindow);
if (owningPlugin != NULL) {
EventRecord eventCopy = event;
return owningPlugin->PassWindowEvent(eventCopy, hitWindow);
}
#else
if (sPluginList != NULL) {
// iterate through each plugin instance
LArrayIterator pluginIterator(*sPluginList);
CPluginView* plugin = NULL;
while (pluginIterator.Next(&plugin)) {
if (plugin->fWindowList != NULL) {
// then iterate through each window for each instance
LArrayIterator windowIterator(*(plugin->fWindowList));
WindowPtr window = NULL;
while (windowIterator.Next(&window)) {
if (window == hitWindow) {
EventRecord eventCopy = event;
return plugin->PassWindowEvent(eventCopy, window);
}
}
}
}
}
#endif
// we didn't find a match
return false;
}
// Determines which plugin owns the specified window.
CPluginView* CPluginView::FindPlugin(WindowPtr window)
{
// Make sure the window isn't a PowerPlant window.
LWindow* windowObj = LWindow::FetchWindowObject(window);
if (windowObj == NULL && sPluginList != NULL) {
// iterate through each plugin instance
LArrayIterator pluginIterator(*sPluginList);
CPluginView* plugin = NULL;
while (pluginIterator.Next(&plugin)) {
if (plugin->fWindowList != NULL) {
// then iterate through each window for each instance
LArrayIterator windowIterator(*(plugin->fWindowList));
WindowPtr pluginWindow = NULL;
while (windowIterator.Next(&pluginWindow)) {
if (window == pluginWindow)
return plugin;
}
}
}
}
return NULL;
}
void CPluginView::RegisterWindow(void* window)
{
// Register the pluginWindow with PowerPlant.
// Set the default commander to the application, to limit the depth of the chain of command.
// I've seen this get ridiculously deep.
LCommander::LCommander::SetDefaultCommander(LCommander::GetTopCommander());
#if 0
CPluginWindow* pluginWindow = new CPluginWindow(this, WindowPtr(window));
if (fWindowList == NULL)
fWindowList = new LArray;
if (fWindowList != NULL)
fWindowList->InsertItemsAt(1, 0, &window);
#endif
}
void CPluginView::UnregisterWindow(void* window)
{
// Toss the pluginWindow itself.
LWindow* pluginWindow = LWindow::FetchWindowObject(WindowPtr(window));
if (pluginWindow != NULL) {
// Notify PowerPlant that the window is no longer active.
pluginWindow->Deactivate();
delete pluginWindow;
}
#if 0
if (fWindowList != NULL) {
Int32 index = fWindowList->FetchIndexOf(&window);
if (index > 0)
fWindowList->RemoveItemsAt(1, index);
if (fWindowList->GetCount() == 0) {
delete fWindowList;
fWindowList = NULL;
}
}
#endif
}
SInt16 CPluginView::AllocateMenuID(Boolean isSubmenu)
{
SInt16 menuID = LMenuSharingAttachment::AllocatePluginMenuID(isSubmenu);
if (fMenuList == NULL)
fMenuList = new TArray<SInt16>;
if (fMenuList != NULL)
fMenuList->AddItem(menuID);
return menuID;
}
Boolean CPluginView::IsPluginCommand(CommandT inCommand)
{
// Since only one plugin can have menus in the menu bar at a time,
// the test only checks to see if this plugin has any menus, and
// whether the command is synthetic and is from one of the plugin's menus.
if (fMenuList != NULL) {
short menuId, menuItem;
if (LCommander::IsSyntheticCommand(inCommand, menuId, menuItem)) {
TArray<SInt16>& menus = *fMenuList;
UInt32 count = menus.GetCount();
for (UInt32 i = count; i > 0; --i)
if (menus[i] == menuId)
return true;
}
}
return false;
}
Boolean CPluginView::PassWindowEvent(EventRecord& inEvent, WindowPtr window)
{
Boolean eventHandled = false;
if (fApp) {
eventHandled = NPL_HandleEvent(fApp, (NPEvent*)&inEvent, (void*) window);
}
return eventHandled;
}
CPluginView::CPluginView(LStream *inStream) : LView(inStream), LDragAndDrop(nil, this)
{
fApp = NULL;
fOriginalView = NULL;
fBrokenPlugin = false;
fPositioned = false;
fHidden = false;
fWindowed = true;
fBrokenIcon = NULL;
fIsPrinting = false;
fWindowList = NULL;
fMenuList = NULL;
//
// Add the new plug-in to a global list of all plug-ins.
//
if (sPluginList == NULL)
sPluginList = new LArray;
if (sPluginList != NULL)
sPluginList->InsertItemsAt(1, 0, &this);
//
// CanÕt call ResetDrawRect yet because it needs a port
// from our superview, but we donÕt have a superview yet!
//
}
CPluginView::~CPluginView()
{
if (fBrokenIcon != NULL)
CIconList::ReturnIcon(fBrokenIcon);
//
// This static is parallel to LCommander::sTarget, but only for plug-ins.
// The LCommander destructor takes care of resetting the LCommander::sTarget,
// and so the CPluginView destructor should take care of the special plug-in target.
//
if (CPluginView::sPluginTarget == this)
CPluginView::sPluginTarget = NULL;
// we're assuming the plugin has already killed the windows themselves
if (fWindowList != NULL)
delete fWindowList;
// release the menu IDs used by this plugin?
if (fMenuList != NULL)
delete fMenuList;
//
// Remove the deleted plug-in from the global list of all plug-ins.
//
if (sPluginList != NULL) {
Int32 index = sPluginList->FetchIndexOf(&this);
if (index > 0)
sPluginList->RemoveItemsAt(1, index);
if (sPluginList->GetCount() == 0)
{
delete sPluginList;
sPluginList = NULL;
}
}
};
void CPluginView::EmbedSize(LO_EmbedStruct* embed_struct, SDimension16 hyperSize)
{
//
// If the plug-in is hidden, set the width and height to zero and
// set a flag indicating that we are hidden.
//
if (embed_struct->objTag.ele_attrmask & LO_ELE_HIDDEN)
{
embed_struct->objTag.width = 0;
embed_struct->objTag.height = 0;
fHidden = true;
Hide();
StartIdling(); // Visible plug-ins start idling in EmbedDisplay
}
//
// If the embed src is internal-external-plugin, the plugin is
// full-screen, and we should set up the pluginÕs real width
// for layout since it doesnÕt know how big to make it. Since a full-
// screen plugin should resize when its enclosing view (the hyperview)
// resizes, we bind the plugin view on all sides to its superview.
//
Boolean fullPage = false;
if (embed_struct->embed_src)
{
char* theURL;
PA_LOCK(theURL, char*, embed_struct->embed_src);
XP_ASSERT(theURL);
if (XP_STRCMP(theURL, "internal-external-plugin") == 0)
fullPage = true;
PA_UNLOCK(embed_struct->embed_src);
}
if (fullPage)
{
SBooleanRect binding = {true, true, true, true};
SetFrameBinding(binding);
embed_struct->objTag.width = hyperSize.width;
embed_struct->objTag.height = hyperSize.height;
//
// Remember an offset for the view to
// compensate for layout's default margins.
//
const short kLeftMargin = 8; // ¥¥¥ These should be defined in mhyper.h!!!
const short kTopMargin = 8;
fHorizontalOffset = -kLeftMargin;
fVerticalOffset = -kTopMargin;
}
else
{
fHorizontalOffset = 0;
fVerticalOffset = 0;
}
ResizeImageTo(embed_struct->objTag.width, embed_struct->objTag.height, false);
ResizeFrameTo(embed_struct->objTag.width, embed_struct->objTag.height, false);
//
// NOTE: The position set here is not really valid because the x and y in
// embed_struct are not valid yet (we have to wait until DisplayEmbed
// (see below) is called the first time to get the real location).
// We go ahead and position ourselves anyway just so we have a superview
// and location initially.
//
Int32 x = embed_struct->objTag.x + embed_struct->objTag.x_offset + fHorizontalOffset;
Int32 y = embed_struct->objTag.y + embed_struct->objTag.y_offset + fVerticalOffset;
PlaceInSuperImageAt(x, y, false);
//
// Set up the NPWindow and NPPort for the first time. No one should
// have called NPL_EmbedSize before this point, or bogus values will
// get passed to the plugin!
//
ResetDrawRect();
}
void CPluginView::EmbedDisplay(LO_EmbedStruct* embed_struct, Boolean isPrinting)
{
fWindowed = (Boolean)NPL_IsEmbedWindowed(fApp);
fIsPrinting = isPrinting;
//
// If weÕre not positioned yet, place our instance at the
// location specified by layout and make our view visible.
//
if (fPositioned == false)
{
Int32 x = embed_struct->objTag.x + embed_struct->objTag.x_offset + fHorizontalOffset;
Int32 y = embed_struct->objTag.y + embed_struct->objTag.y_offset + fVerticalOffset;
PlaceInSuperImageAt(x, y, false);
if (fWindowed)
Show();
else if (!fBrokenPlugin) {
fHidden = true;
Hide();
}
StartIdling();
fPositioned = true;
XP_ASSERT(fApp);
if (fApp != NULL)
NPL_EmbedSize(fApp); // Tell the plugin about its dimensions and location
Refresh();
}
// If this is a windowed plug-in, this call indicates that we've moved or our visibility
// changed.
if (fWindowed || fBrokenPlugin)
{
Rect frameRect;
SPoint32 imagePoint;
Int32 x, y;
if (IsVisible() && (embed_struct->objTag.ele_attrmask & LO_ELE_INVISIBLE))
Hide();
CalcPortFrameRect(frameRect);
GetSuperView()->PortToLocalPoint(topLeft(frameRect));
GetSuperView()->LocalToImagePoint(topLeft(frameRect), imagePoint);
x = embed_struct->objTag.x + embed_struct->objTag.x_offset + fHorizontalOffset;
y = embed_struct->objTag.y + embed_struct->objTag.y_offset + fVerticalOffset;
if ((imagePoint.h != x) || (imagePoint.v != y))
PlaceInSuperImageAt(x, y, true);
if (!IsVisible() && !(embed_struct->objTag.ele_attrmask & LO_ELE_INVISIBLE))
Show();
}
// For a windowless plug-in, this is where the plug-in actually draws.
else
{
EventRecord updateEvent;
//
// Always reset the drawing info before calling the plugin to draw.
//
ResetDrawRect();
::OSEventAvail(0, &updateEvent);
updateEvent.what = updateEvt;
(void) PassEvent(updateEvent);
}
}
void CPluginView::EmbedCreate(MWContext* context, LO_EmbedStruct* embed_struct)
{
fEmbedStruct = embed_struct;
fApp = (NPEmbeddedApp*) embed_struct->objTag.FE_Data;
Boolean printing = (context->type == MWContextPrint);
//
// Set the references between the view, the app, and the layout
// structure. Also set the pointer to the new instanceÕs
// window data (NPWindow), which is stored as part of our object
// (unless we are printing, in which case it already has a NPWindow).
// Then start up the stream for the plug-in (if applicable).
// If NPL_EmbedStart fails, it will delete the NPEmbeddedApp and
// associated XP data structures, so be sure to remove the
// embed_struct's reference to it.
//
if (fApp != NULL)
{
if (printing)
fOriginalView = (CPluginView*) fApp->fe_data;
fApp->fe_data = this;
embed_struct->objTag.FE_Data = fApp;
if (!printing)
fApp->wdata = GetNPWindow();
NPError err = NPL_EmbedStart(context, embed_struct, fApp);
if (err != NPERR_NO_ERROR)
fApp = NULL;
}
//
// Something went wrong? If we have no app, then layout can never
// tell us to delete the view (since the app is in the FE_Data of
// the layout structure), so we need to delete it here.
//
if (fApp == NULL)
{
delete this;
embed_struct->objTag.FE_Data = NULL;
}
}
void CPluginView::EmbedFree(MWContext* context, LO_EmbedStruct* embed_struct)
{
//
// Set our reference to the NPEmbeddedApp to NULL now, before
// calling NPL_EmbedDelete. NPL_EmbedDelete may re-call FE code
// after deleting the NPEmbeddedApp and we donÕt want to have
// a reference to a deleted app!
//
// XXX This is no longer necessary, as this is called in _response_
// to NPL_EmbedDelete.
NPEmbeddedApp* app = fApp;
fApp = NULL;
//
// If our original view field was set above in EmbedCreate, the
// the NPEmbeddedApp associated with this view was associated
// only temporarily for printing, so we should switch its
// references to its view and window back to their original values.
// If there is no original view, then we must be the original
// creator of the NPEmbeddedApp, so we should delete it.
//
if (fOriginalView != NULL)
{
app->fe_data = fOriginalView;
XP_ASSERT(app->wdata == fOriginalView->GetNPWindow());
app->wdata = fOriginalView->GetNPWindow();
}
ThrowIfNil_(context);
}
// ¥¥ event processing
void CPluginView::ClickSelf(const SMouseDownEvent& inMouseDown)
{
XP_ASSERT(fWindowed);
LView::ClickSelf(inMouseDown);
if (!fBrokenPlugin)
{
EventRecord mouseEvent = inMouseDown.macEvent; // inMouseDown is const, but PassEvent isnÕt
(void) PassEvent(mouseEvent);
LCommander::SwitchTarget(this); // Once clicked, we can get keystrokes
}
}
void CPluginView::EventMouseUp(const EventRecord& inMouseUp)
{
XP_ASSERT(fWindowed);
LView::EventMouseUp(inMouseUp);
EventRecord mouseEvent = inMouseUp; // inMouseUp is const, but PassEvent isnÕt
(void) PassEvent(mouseEvent);
}
Boolean CPluginView::ObeyCommand(CommandT inCommand, void *ioParam)
{
if (IsPluginCommand(inCommand)) {
// assume this is a plugin menu item, since menusharing didn't handle it.
EventRecord menuEvent;
::OSEventAvail(0, &menuEvent);
menuEvent.what = nsPluginEventType_MenuCommandEvent;
menuEvent.message = -inCommand; // PowerPlant encodes a raw menu selection as the negation of the selection.
return PassEvent(menuEvent);
}
return LCommander::ObeyCommand(inCommand, ioParam);
}
Boolean CPluginView::HandleKeyPress(const EventRecord& inKeyEvent)
{
if (fWindowed) {
EventRecord keyEvent = inKeyEvent; // inKeyEvent is const, but PassEvent isnÕt
return PassEvent(keyEvent);
}
return false;
}
Boolean CPluginView::FocusDraw(LPane *inSubPane)
{
Boolean revealed = LView::FocusDraw(inSubPane);
//
// Make sure that any exposed popdown view is clipped out before drawing occurs.
//
CBrowserWindow::ClipOutPopdown(this);
return revealed;
}
void CPluginView::DrawSelf()
{
XP_ASSERT(!fHidden);
if (fPositioned == false) // Bail if layout hasnÕt positioned us yet
return;
if (fBrokenPlugin)
DrawBroken(false);
else
{
//
// Always reset the drawing info before calling the plugin to draw.
// Although the MoveBy and ResizeFrameBy methods ensure that the
// drawing info is updated if the plugin is scrolled or its window
// is resized, the clip still needs to be set up every time before
// drawing because the area to draw will be different.
//
ResetDrawRect();
if (fIsPrinting)
{
this->PrintEmbedded();
fIsPrinting = false;
}
else
{
EventRecord updateEvent;
::OSEventAvail(0, &updateEvent);
updateEvent.what = updateEvt;
(void) PassEvent(updateEvent);
}
}
}
void CPluginView::SpendTime(const EventRecord& inMacEvent)
{
EventRecord macEvent = inMacEvent; // inMacEvent is const, but PassEvent isnÕt
(void) PassEvent(macEvent);
//
// If weÕre in SpendTime because of a non-null event, send a
// null event too. Some plug-ins (e.g. Shockwave) rely on null
// events for animation, so it doesnÕt matter if weÕre giving
// them lots of time with mouseMoved or other events -- if they
// donÕt get null events, they donÕt animate fast.
//
if (macEvent.what != nullEvent)
{
macEvent.what = nullEvent;
(void) PassEvent(macEvent);
}
}
void CPluginView::ActivateSelf()
{
EventRecord activateEvent;
::OSEventAvail(0, &activateEvent);
activateEvent.what = activateEvt;
activateEvent.modifiers = activeFlag;
(void) PassEvent(activateEvent);
}
void CPluginView::DeactivateSelf()
{
EventRecord activateEvent;
::OSEventAvail(0, &activateEvent);
activateEvent.what = activateEvt;
(void) PassEvent(activateEvent);
}
//
// These two methods are called when we are targeted or
// untargeted. Since plugins want to know when they have
// the key focus, we create a new event type to pass to
// them.
//
void CPluginView::BeTarget()
{
XP_ASSERT(!fHidden);
CPluginView::sPluginTarget = this; // Parallel to LCommander::sTarget, except only for plug-ins
EventRecord focusEvent;
::OSEventAvail(0, &focusEvent);
focusEvent.what = nsPluginEventType_GetFocusEvent;
Boolean handled = PassEvent(focusEvent);
if (!handled) // If the plugin doesnÕt want the focus,
SwitchTarget(GetSuperCommander()); // switch the focus back to our super
}
void CPluginView::DontBeTarget()
{
CPluginView::sPluginTarget = NULL; // Parallel to LCommander::sTarget, except only for plug-ins
EventRecord focusEvent;
::OSEventAvail(0, &focusEvent);
focusEvent.what = nsPluginEventType_LoseFocusEvent;
(void) PassEvent(focusEvent);
}
void CPluginView::AdjustCursorSelf(Point inPortPt, const EventRecord& inMacEvent)
{
XP_ASSERT(!fHidden);
EventRecord cursorEvent = inMacEvent;
cursorEvent.what = nsPluginEventType_AdjustCursorEvent;
Boolean handled = PassEvent(cursorEvent);
if (!handled)
LPane::AdjustCursorSelf(inPortPt, inMacEvent);
}
// ¥¥ positioning
void CPluginView::AdaptToSuperFrameSize(Int32 inSurrWidthDelta, Int32 inSurrHeightDelta, Boolean inRefresh)
{
LView::AdaptToSuperFrameSize(inSurrWidthDelta, inSurrHeightDelta, inRefresh);
//
// Our superview has changed size, so we could have changed size
// (if weÕre bound to the superview) or changed clip (if we now
// overlap the edges of the superview).
//
if (fWindowed)
ResetDrawRect();
//
// If we are bound to our superview, we will change size as it
// changes size. Since the superview (the hyperview) is in turn
// bound to the window, we should adjust our NPWindow structure
// (done above in ResetDrawRect) and tell the plugin about the
// change (by calling NPL_EmbedSize). -bing 11/15/95
//
if (fApp != NULL)
{
SBooleanRect frameBinding;
GetFrameBinding(frameBinding);
if (frameBinding.top && frameBinding.bottom && frameBinding.left && frameBinding.right)
NPL_EmbedSize(fApp);
}
}
void CPluginView::MoveBy(Int32 inHorizDelta, Int32 inVertDelta, Boolean inRefresh)
{
LView::MoveBy(inHorizDelta, inVertDelta, inRefresh);
if (fWindowed)
ResetDrawRect();
}
// ¥¥Êdragging
void CPluginView::AdaptToNewSurroundings()
{
LView::AdaptToNewSurroundings();
//
// Set the port for dragging here, since we need
// a superview to get the port, and we don't have
// a superview until this method is called.
//
LDropArea::RemoveDropArea((LDropArea*)this, mDragWindow);
mDragWindow = GetMacPort();
LDropArea::AddDropArea((LDropArea*)this, mDragWindow);
}
Boolean CPluginView::DragIsAcceptable(DragReference /*inDragRef*/)
{
//
// We claim to accept drops, so we won't get the
// Navigator drag&drop behavior over the plug-in.
// If the plug-in installs its own drag handlers,
// it will get control after we're called and can
// handle the drag as it sees fit.
//
return true;
}
void CPluginView::HiliteDropArea(DragReference /*inDragRef*/)
{
// DonÕt hilite: let the plug-in do it if it accepts drags.
}
void CPluginView::UnhiliteDropArea(DragReference /*inDragRef*/)
{
// DonÕt unhilite: let the plug-in do it if it accepts drags.
}
// ¥¥Êevents
// Passes the event to our plugin
Boolean CPluginView::PassEvent(EventRecord& inEvent)
{
if (fApp)
return NPL_HandleEvent(fApp, (NPEvent*)&inEvent, NULL);
else
return false;
}
void CPluginView::ResetDrawRect()
{
fNPWindow.window = &fNPPort;
if (fWindowed) {
fNPPort.port = (CGrafPtr) GetMacPort();
fNPWindow.x = mImageLocation.h;
fNPWindow.y = mImageLocation.v;
fNPWindow.width = mFrameSize.width;
fNPWindow.height = mFrameSize.height;
if (mRevealedRect.left < mRevealedRect.right) // Code from FocusDraw
{ // We are visible
XP_ASSERT(!fHidden);
fNPPort.portx = mPortOrigin.h;
fNPPort.porty = mPortOrigin.v;
fNPWindow.clipRect.top = mRevealedRect.top;
fNPWindow.clipRect.left = mRevealedRect.left;
fNPWindow.clipRect.right = mRevealedRect.right;
fNPWindow.clipRect.bottom = mRevealedRect.bottom;
}
else // We are invisible
{
fNPWindow.clipRect.top = 0;
fNPWindow.clipRect.left = 0;
fNPWindow.clipRect.right = 0;
fNPWindow.clipRect.bottom = 0;
}
}
else {
Rect frame;
Point localPoint, portPoint;
SPoint32 imagePoint;
Rect clipRect;
Point portOrigin;
// XXX This is gross. We're getting our parent and casting it down to a
// CHTMLView so that we can get element position and port information from it.
CHTMLView *parentView = (CHTMLView *)GetSuperView();
// Get the parent's port and port origin. Note that this will be different
// depending on whether it's onscreen or offscreen.
fNPPort.port = (CGrafPtr) parentView->GetCurrentPort(portOrigin);
// Get the local position from the hyperview. This is a function of the
// location of the layout element, the scrolled position and the position
// of the layer containing the embed.
parentView->CalcElementPosition((LO_Element *)fEmbedStruct, frame);
// Convert it into image coordinates
localPoint.h = frame.left - (fEmbedStruct->objTag.x + fEmbedStruct->objTag.x_offset);
localPoint.v = frame.top - (fEmbedStruct->objTag.y + fEmbedStruct->objTag.y_offset);
portPoint = localPoint;
localPoint.h -= portOrigin.h;
localPoint.v -= portOrigin.v;
parentView->LocalToImagePoint(localPoint, imagePoint);
fNPWindow.x = imagePoint.h;
fNPWindow.y = imagePoint.v;
fNPWindow.width = frame.right - frame.left;
fNPWindow.height = frame.bottom - frame.top;
fNPPort.portx = -localPoint.h;
fNPPort.porty = -localPoint.v;
// The clipRect in this case is the bounding box of the clip region
// set by the compositor. Convert to port coordinates.
clipRect = (*fNPPort.port->clipRgn)->rgnBBox;
topLeft(clipRect).h -= portOrigin.h;
topLeft(clipRect).v -= portOrigin.v;
botRight(clipRect).h -= portOrigin.h;
botRight(clipRect).v -= portOrigin.v;
fNPWindow.clipRect.top = clipRect.top;
fNPWindow.clipRect.left = clipRect.left;
fNPWindow.clipRect.right = clipRect.right;
fNPWindow.clipRect.bottom = clipRect.bottom;
// Keep the view's position in sync with that specified by layout
parentView->LocalToPortPoint(portPoint);
if ((portPoint.h != -mPortOrigin.h) || (portPoint.v != -mPortOrigin.v)) {
MoveBy(mPortOrigin.h + portPoint.h, mPortOrigin.v + portPoint.v, false);
}
}
}
//
// This method is used for printing fullscreen plugins, which might
// want the opportunity to completely take over printing the page.
// We will pass them whether the user clicked on the print button
// or the Print menu (ÒprintOneÓ), a handle to the print record,
// and a boolean that they can set to true if they actually want to
// handle the print. We return this boolean to our caller (CHyperView:
// ObeyCommand) so they know whether they should print or not.
// If plugins do not implement the Print entry point at all, the
// boolean ÒpluginPrintedÓ will still be at its default value (false),
// so we will still print.
//
Boolean CPluginView::PrintFullScreen(Boolean printOne, THPrint printRecHandle)
{
if (fApp == NULL)
return false;
NPPrint npPrint;
npPrint.mode = NP_FULL;
npPrint.print.fullPrint.pluginPrinted = false;
npPrint.print.fullPrint.printOne = printOne;
npPrint.print.fullPrint.platformPrint = (void*) printRecHandle;
NPL_Print(fApp, (void*) &npPrint);
return npPrint.print.fullPrint.pluginPrinted;
}
void CPluginView::PrintEmbedded()
{
if (fApp == NULL)
return;
NPPrint npPrint;
npPrint.mode = NP_EMBED;
npPrint.print.embedPrint.window = fNPWindow;
npPrint.print.embedPrint.platformPrint = (void*) fNPWindow.window; // Pass the NP_Port
NPL_Print(fApp, (void*) &npPrint);
}
void CPluginView::SetBrokenPlugin()
{
fBrokenPlugin = true;
fBrokenIcon = CIconList::GetIcon(326); // ¥¥¥ Need a constant
// Tell layout that we're windowed so we can display an icon
LO_SetEmbedType(fEmbedStruct, PR_TRUE);
Refresh(); // Plugin will draw broken icon now that fBrokenPlugin is set
}
void CPluginView::DrawBroken(Boolean hilite)
{
//
// If the plugin is broken, we donÕt have a valid plugin instance
// to ask to draw, so we should handle drawing ourselves.
// Current behavior is to draw a box with a broken plugin icon
// in it.
//
Rect drawRect;
if (this->CalcLocalFrameRect(drawRect)) // We want a local rect since SetOrigin has been called
{
short height = drawRect.bottom - drawRect.top;
short width = drawRect.right - drawRect.left;
if (height >= 4 && width >= 4)
{
UGraphics::SetFore(CPrefs::Anchor);
FrameRect(&drawRect);
if (height >= 32 && width >= 32 && fBrokenIcon != NULL)
{
short centerX = (drawRect.right - drawRect.left) >> 1;
short centerY = (drawRect.bottom - drawRect.top) >> 1;
drawRect.top = centerY - 16;
drawRect.bottom = centerY + 16;
drawRect.left = centerX - 16;
drawRect.right = centerX + 16;
::PlotCIconHandle(&drawRect, atAbsoluteCenter, hilite ? ttSelected : ttNone, fBrokenIcon);
}
}
}
}
#ifdef LAYERS
Boolean CPluginView::HandleEmbedEvent(CL_Event *event)
{
fe_EventStruct *fe_event = (fe_EventStruct *)event->fe_event;
EventRecord macEvent;
::OSEventAvail(0, &macEvent);
// For windowless plugins, the last draw might have been to the offscreen port,
// but for event handling, we want the current port to be the onscreen port (so
// that mouse coordinate conversion and the like can happen correctly).
if (!fWindowed)
FocusDraw();
switch (event->type) {
case CL_EVENT_MOUSE_BUTTON_DOWN:
{
//SMouseDownEvent *mouseDown = (SMouseDownEvent *)fe_event->event;
// Now pass the mouse event
//macEvent = mouseDown->macEvent;
// modified for new fe_EventStruct 1997-02-22 mjc
SMouseDownEvent mouseDown = fe_event->event.mouseDownEvent;
macEvent = mouseDown.macEvent;
}
break;
case CL_EVENT_MOUSE_BUTTON_UP:
case CL_EVENT_KEY_DOWN:
//macEvent = *(EventRecord *)fe_event->event;
macEvent = fe_event->event.macEvent; // 1997-02-22 mjc
break;
case CL_EVENT_MOUSE_MOVE:
//macEvent = *(EventRecord *)fe_event->event;
macEvent = fe_event->event.macEvent; // 1997-02-22 mjc
macEvent.what = nsPluginEventType_AdjustCursorEvent;
break;
case CL_EVENT_KEY_FOCUS_GAINED:
macEvent.what = nsPluginEventType_GetFocusEvent;
break;
case CL_EVENT_KEY_FOCUS_LOST:
macEvent.what = nsPluginEventType_LoseFocusEvent;
break;
default:
return false;
}
return PassEvent(macEvent);
}
#endif // LAYERS
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