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RetroZilla/modules/plugin/samples/backward/badapter.cpp
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Rusty Lynch <rusty.lynch@intel.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
////////////////////////////////////////////////////////////////////////////////
// Backward Adapter
// This acts as a adapter layer to allow 5.0 plugins work with the 4.0/3.0
// browser.
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// SECTION 1 - Includes
////////////////////////////////////////////////////////////////////////////////
// extern "C" {
#include "npapi.h"
// }
#include "nsIPluginManager.h"
#include "nsIServiceManager.h"
#include "nsIAllocator.h"
#include "nsLiveConnect.h"
#include "nsplugin.h"
#include "nsDebug.h"
////////////////////////////////////////////////////////////////////////////////
// SECTION 3 - Classes
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//
// CPluginManager
//
// This is the dummy plugin manager that interacts with the 5.0 plugin.
//
class CPluginManager : public nsIPluginManager, public nsIServiceManager, public nsIAllocator {
public:
// Need an operator new for this.
void* operator new(size_t size) { return ::NPN_MemAlloc(size); }
void operator delete(void* ptr) { ::NPN_MemFree(ptr); }
CPluginManager(void);
virtual ~CPluginManager(void);
NS_DECL_ISUPPORTS
////////////////////////////////////////////////////////////////////////////
// from nsIPluginManager:
// (Corresponds to NPN_GetValue.)
NS_IMETHOD
GetValue(nsPluginManagerVariable variable, void *value);
// (Corresponds to NPN_SetValue.)
NS_IMETHOD
SetValue(nsPluginManagerVariable variable, void *value);
NS_IMETHOD
ReloadPlugins(PRBool reloadPages);
// (Corresponds to NPN_UserAgent.)
NS_IMETHOD
UserAgent(const char* *result);
NS_IMETHOD
GetURL(nsISupports* pluginInst,
const char* url,
const char* target = NULL,
nsIPluginStreamListener* streamListener = NULL,
const char* altHost = NULL,
const char* referrer = NULL,
PRBool forceJSEnabled = PR_FALSE);
NS_IMETHOD
PostURL(nsISupports* pluginInst,
const char* url,
PRUint32 postDataLen,
const char* postData,
PRBool isFile = PR_FALSE,
const char* target = NULL,
nsIPluginStreamListener* streamListener = NULL,
const char* altHost = NULL,
const char* referrer = NULL,
PRBool forceJSEnabled = PR_FALSE,
PRUint32 postHeadersLength = 0,
const char* postHeaders = NULL);
NS_IMETHOD
RegisterPlugin(REFNSIID aCID,
const char* aPluginName,
const char* aDescription,
const char** aMimeTypes,
const char** aMimeDescriptions,
const char** aFileExtensions,
PRInt32 aCount);
NS_IMETHOD
UnregisterPlugin(REFNSIID aCID);
/**
* RegisterService may be called explicitly to register a service
* with the service manager. If a service is not registered explicitly,
* the component manager will be used to create an instance according
* to the class ID specified.
*/
NS_IMETHOD
RegisterService(const nsCID& aClass, nsISupports* aService)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Requests a service to be shut down, possibly unloading its DLL.
*
* @returns NS_OK - if shutdown was successful and service was unloaded,
* @returns NS_ERROR_SERVICE_NOT_FOUND - if shutdown failed because
* the service was not currently loaded
* @returns NS_ERROR_SERVICE_IN_USE - if shutdown failed because some
* user of the service wouldn't voluntarily release it by using
* a shutdown listener.
*/
NS_IMETHOD
UnregisterService(const nsCID& aClass)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHOD
GetService(const nsCID& aClass, const nsIID& aIID,
nsISupports* *result,
nsIShutdownListener* shutdownListener = NULL);
NS_IMETHOD
ReleaseService(const nsCID& aClass, nsISupports* service,
nsIShutdownListener* shutdownListener = NULL);
NS_IMETHOD
GetService(const char* aContractID, const nsIID& aIID,
nsISupports* *result,
nsIShutdownListener* shutdownListener = NULL)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHOD
ReleaseService(const char* aContractID, nsISupports* service,
nsIShutdownListener* shutdownListener = NULL)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
/**
* Allocates a block of memory of a particular size.
*
* @param size - the size of the block to allocate
* @result the block of memory
*/
NS_IMETHOD_(void*)
Alloc(PRUint32 size);
/**
* Reallocates a block of memory to a new size.
*
* @param ptr - the block of memory to reallocate
* @param size - the new size
* @result the rellocated block of memory
*/
NS_IMETHOD_(void*)
Realloc(void* ptr, PRUint32 size);
/**
* Frees a block of memory.
*
* @param ptr - the block of memory to free
*/
NS_IMETHOD
Free(void* ptr);
/**
* Attempts to shrink the heap.
*/
NS_IMETHOD
HeapMinimize(void);
private:
nsILiveconnect* mLiveconnect;
};
////////////////////////////////////////////////////////////////////////////////
//
// CPluginManagerStream
//
// This is the dummy plugin manager stream that interacts with the 5.0 plugin.
//
class CPluginManagerStream : public nsIOutputStream {
public:
CPluginManagerStream(NPP npp, NPStream* pstr);
virtual ~CPluginManagerStream(void);
NS_DECL_ISUPPORTS
//////////////////////////////////////////////////////////////////////////
//
// Taken from nsIStream
//
/** Write data into the stream.
* @param aBuf the buffer into which the data is read
* @param aCount the maximum number of bytes to read
* @param errorResult the error code if an error occurs
* @return number of bytes read or -1 if error
*/
NS_IMETHOD
Write(const char* aBuf, PRUint32 aCount, PRUint32 *aWriteCount);
NS_IMETHOD Flush() {
return NS_OK;
}
//////////////////////////////////////////////////////////////////////////
//
// Specific methods to nsIPluginManagerStream.
//
// Corresponds to NPStream's url field.
NS_IMETHOD
GetURL(const char* *result);
// Corresponds to NPStream's end field.
NS_IMETHOD
GetEnd(PRUint32 *result);
// Corresponds to NPStream's lastmodfied field.
NS_IMETHOD
GetLastModified(PRUint32 *result);
// Corresponds to NPStream's notifyData field.
NS_IMETHOD
GetNotifyData(void* *result);
// Corresponds to NPStream's url field.
NS_IMETHOD Close(void);
protected:
// npp
// The plugin instance that the manager stream belongs to.
NPP npp;
// pstream
// The stream the class is using.
NPStream* pstream;
};
////////////////////////////////////////////////////////////////////////////////
//
// CPluginInstancePeer
//
// This is the dummy instance peer that interacts with the 5.0 plugin.
// In order to do LiveConnect, the class subclasses nsILiveConnectPluginInstancePeer.
//
class CPluginInstancePeer : public nsIPluginInstancePeer, public nsIPluginTagInfo {
public:
// XXX - I add parameters to the constructor because I wasn't sure if
// XXX - the 4.0 browser had the npp_instance struct implemented.
// XXX - If so, then I can access npp_instance through npp->ndata.
CPluginInstancePeer(nsIPluginInstance* pluginInstance, NPP npp, nsMIMEType typeString, nsPluginMode type,
PRUint16 attribute_cnt, const char** attribute_list, const char** values_list);
virtual ~CPluginInstancePeer(void);
NS_DECL_ISUPPORTS
// (Corresponds to NPN_GetValue.)
NS_IMETHOD
GetValue(nsPluginInstancePeerVariable variable, void *value);
// (Corresponds to NPN_SetValue.)
NS_IMETHOD
SetValue(nsPluginInstancePeerVariable variable, void *value);
// Corresponds to NPP_New's MIMEType argument.
NS_IMETHOD
GetMIMEType(nsMIMEType *result);
// Corresponds to NPP_New's mode argument.
NS_IMETHOD
GetMode(nsPluginMode *result);
// Get a ptr to the paired list of attribute names and values,
// returns the length of the array.
//
// Each name or value is a null-terminated string.
NS_IMETHOD
GetAttributes(PRUint16& n, const char* const*& names, const char* const*& values);
// Get the value for the named attribute. Returns null
// if the attribute was not set.
NS_IMETHOD
GetAttribute(const char* name, const char* *result);
// Corresponds to NPN_NewStream.
NS_IMETHOD
NewStream(nsMIMEType type, const char* target, nsIOutputStream* *result);
// Corresponds to NPN_ShowStatus.
NS_IMETHOD
ShowStatus(const char* message);
NS_IMETHOD
SetWindowSize(PRUint32 width, PRUint32 height);
nsIPluginInstance* GetInstance(void) { return mInstance; }
NPP GetNPPInstance(void) { return npp; }
void SetWindow(NPWindow* window) { mWindow = window; }
NPWindow* GetWindow() { return mWindow; }
protected:
NPP npp;
// XXX - The next five variables may need to be here since I
// XXX - don't think np_instance is available in 4.0X.
nsIPluginInstance* mInstance;
NPWindow* mWindow;
nsMIMEType typeString;
nsPluginMode type;
PRUint16 attribute_cnt;
char** attribute_list;
char** values_list;
};
class CPluginStreamInfo : public nsIPluginStreamInfo {
public:
NS_DECL_ISUPPORTS
CPluginStreamInfo(const char* URL, nsIPluginInputStream* inStr, nsMIMEType type, PRBool seekable)
: mURL(URL), mInputStream(inStr), mMimeType(type), mIsSeekable(seekable) {}
virtual ~CPluginStreamInfo() {}
NS_METHOD
GetContentType(nsMIMEType* result)
{
*result = mMimeType;
return NS_OK;
}
NS_METHOD
IsSeekable(PRBool* result)
{
*result = mIsSeekable;
return NS_OK;
}
NS_METHOD
GetLength(PRUint32* result)
{
return mInputStream->GetLength(result);
}
NS_METHOD
GetLastModified(PRUint32* result)
{
return mInputStream->GetLastModified(result);
}
NS_METHOD
GetURL(const char** result)
{
*result = mURL;
return NS_OK;
}
NS_METHOD
RequestRead(nsByteRange* rangeList)
{
return mInputStream->RequestRead(rangeList);
}
private:
const char* mURL;
nsIPluginInputStream* mInputStream;
nsMIMEType mMimeType;
PRBool mIsSeekable;
};
class CPluginInputStream : public nsIPluginInputStream {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIINPUTSTREAM
////////////////////////////////////////////////////////////////////////////
// from nsIPluginInputStream:
// (Corresponds to NPStream's lastmodified field.)
NS_IMETHOD
GetLastModified(PRUint32 *result);
NS_IMETHOD
RequestRead(nsByteRange* rangeList);
////////////////////////////////////////////////////////////////////////////
// CPluginInputStream specific methods:
CPluginInputStream(nsIPluginStreamListener* listener);
virtual ~CPluginInputStream(void);
void SetStreamInfo(NPP npp, NPStream* stream) {
mNPP = npp;
mStream = stream;
}
nsIPluginStreamListener* GetListener(void) { return mListener; }
nsPluginStreamType GetStreamType(void) { return mStreamType; }
nsresult SetReadBuffer(PRUint32 len, const char* buffer) {
// XXX this has to be way more sophisticated
mBuffer = dup(len, buffer);
mBufferLength = len;
mAmountRead = 0;
return NS_OK;
}
char* dup(PRUint32 len, const char* buffer) {
char* result = new char[len];
if (result != NULL) {
const char *src = buffer;
char *dest = result;
while (len-- > 0)
*dest++ = *src++;
}
return result;
}
nsIPluginStreamInfo* CreatePluginStreamInfo(const char* url, nsMIMEType type, PRBool seekable) {
if (mStreamInfo == NULL) {
mStreamInfo = new CPluginStreamInfo(url, this, type, seekable);
mStreamInfo->AddRef();
}
return mStreamInfo;
}
nsIPluginStreamInfo* GetPluginStreamInfo() {
return mStreamInfo;
}
protected:
const char* mURL;
nsIPluginStreamListener* mListener;
nsPluginStreamType mStreamType;
NPP mNPP;
NPStream* mStream;
char* mBuffer;
PRUint32 mBufferLength;
PRUint32 mAmountRead;
nsIPluginStreamInfo* mStreamInfo;
};
//////////////////////////////////////////////////////////////////////////////
#ifdef XP_UNIX
#define TRACE(foo) trace(foo)
#endif
#ifdef XP_MAC
#undef assert
#define assert(cond)
#endif
#if defined(__cplusplus)
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////////////
// SECTION 1 - Includes
////////////////////////////////////////////////////////////////////////////////
#if defined(XP_UNIX) || defined(XP_MAC)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#else
#include <windows.h>
#endif
////////////////////////////////////////////////////////////////////////////////
// SECTION 2 - Global Variables
////////////////////////////////////////////////////////////////////////////////
//
// thePlugin and thePluginManager are used in the life of the plugin.
//
// These two will be created on NPP_Initialize and destroyed on NPP_Shutdown.
//
nsIPluginManager* thePluginManager = NULL;
nsIPlugin* thePlugin = NULL;
//
// nsISupports IDs
//
// Interface IDs for nsISupports
//
NS_DEFINE_IID(kPluginCID, NS_PLUGIN_CID);
static NS_DEFINE_IID(kPluginManagerCID, NS_PLUGINMANAGER_CID);
static NS_DEFINE_IID(kAllocatorCID, NS_ALLOCATOR_CID);
// mapping from NPError to nsresult
nsresult fromNPError[] = {
NS_OK, // NPERR_NO_ERROR,
NS_ERROR_FAILURE, // NPERR_GENERIC_ERROR,
NS_ERROR_FAILURE, // NPERR_INVALID_INSTANCE_ERROR,
NS_ERROR_NOT_INITIALIZED, // NPERR_INVALID_FUNCTABLE_ERROR,
NS_ERROR_FACTORY_NOT_LOADED, // NPERR_MODULE_LOAD_FAILED_ERROR,
NS_ERROR_OUT_OF_MEMORY, // NPERR_OUT_OF_MEMORY_ERROR,
NS_NOINTERFACE, // NPERR_INVALID_PLUGIN_ERROR,
NS_ERROR_ILLEGAL_VALUE, // NPERR_INVALID_PLUGIN_DIR_ERROR,
NS_NOINTERFACE, // NPERR_INCOMPATIBLE_VERSION_ERROR,
NS_ERROR_ILLEGAL_VALUE, // NPERR_INVALID_PARAM,
NS_ERROR_ILLEGAL_VALUE, // NPERR_INVALID_URL,
NS_ERROR_ILLEGAL_VALUE, // NPERR_FILE_NOT_FOUND,
NS_ERROR_FAILURE, // NPERR_NO_DATA,
NS_ERROR_FAILURE // NPERR_STREAM_NOT_SEEKABLE,
};
////////////////////////////////////////////////////////////////////////////////
// SECTION 4 - API Shim Plugin Implementations
// Glue code to the 5.0x Plugin.
//
// Most of the NPP_* functions that interact with the plug-in will need to get
// the instance peer from npp->pdata so it can get the plugin instance from the
// peer. Once the plugin instance is available, the appropriate 5.0 plug-in
// function can be called:
//
// CPluginInstancePeer* peer = (CPluginInstancePeer* )instance->pdata;
// nsIPluginInstance* inst = peer->GetUserInstance();
// inst->NewPluginAPIFunction();
//
// Similar steps takes place with streams. The stream peer is stored in NPStream's
// pdata. Get the peer, get the stream, call the function.
//
////////////////////////////////////////////////////////////////////////////////
// UNIX-only API calls
////////////////////////////////////////////////////////////////////////////////
#ifdef XP_UNIX
char* NPP_GetMIMEDescription(void)
{
int freeFac = 0;
//fprintf(stderr, "MIME description\n");
if (thePlugin == NULL) {
freeFac = 1;
NSGetFactory(thePluginManager, kPluginCID, NULL, NULL, (nsIFactory** )&thePlugin);
}
//fprintf(stderr, "Allocated Plugin 0x%08x\n", thePlugin);
const char * ret;
nsresult err = thePlugin->GetMIMEDescription(&ret);
if (err) return NULL;
//fprintf(stderr, "Get response %s\n", ret);
if (freeFac) {
//fprintf(stderr, "Freeing plugin...");
thePlugin->Release();
thePlugin = NULL;
}
//fprintf(stderr, "Done\n");
return (char*)ret;
}
//------------------------------------------------------------------------------
// Cross-Platform Plug-in API Calls
//------------------------------------------------------------------------------
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_SetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
return NPERR_GENERIC_ERROR; // nothing to set
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_GetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_GetValue(NPP instance, NPPVariable variable, void *value) {
int freeFac = 0;
//fprintf(stderr, "MIME description\n");
if (thePlugin == NULL) {
freeFac = 1;
if (NSGetFactory(thePluginManager, kPluginCID, NULL, NULL, (nsIFactory** )&thePlugin) != NS_OK)
return NPERR_GENERIC_ERROR;
}
//fprintf(stderr, "Allocated Plugin 0x%08x\n", thePlugin);
nsresult err = thePlugin->GetValue((nsPluginVariable)variable, value);
if (err) return NPERR_GENERIC_ERROR;
//fprintf(stderr, "Get response %08x\n", ret);
if (freeFac) {
//fprintf(stderr, "Freeing plugin...");
thePlugin->Release();
thePlugin = NULL;
}
//fprintf(stderr, "Done\n");
return NPERR_NO_ERROR;
}
#endif // XP_UNIX
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_Initialize:
// Provides global initialization for a plug-in, and returns an error value.
//
// This function is called once when a plug-in is loaded, before the first instance
// is created. thePluginManager and thePlugin are both initialized.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_Initialize(void)
{
// TRACE("NPP_Initialize\n");
// Only call initialize the plugin if it hasn't been created.
// This could happen if GetJavaClass() is called before
// NPP Initialize.
if (thePluginManager == NULL) {
// Create the plugin manager and plugin classes.
thePluginManager = new CPluginManager();
if ( thePluginManager == NULL )
return NPERR_OUT_OF_MEMORY_ERROR;
thePluginManager->AddRef();
}
nsresult error = NS_OK;
// On UNIX the plugin might have been created when calling NPP_GetMIMEType.
if (thePlugin == NULL) {
// create nsIPlugin factory
error = (NPError)NSGetFactory(thePluginManager, kPluginCID, NULL, NULL, (nsIFactory** )&thePlugin);
#if 0
// beard: this will leak reference counts.
if (error == NS_OK) {
thePlugin->AddRef();
}
#endif
}
return (NPError) error;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_GetJavaClass:
// New in Netscape Navigator 3.0.
//
// NPP_GetJavaClass is called during initialization to ask your plugin
// what its associated Java class is. If you don't have one, just return
// NULL. Otherwise, use the javah-generated "use_" function to both
// initialize your class and return it. If you can't find your class, an
// error will be signalled by "use_" and will cause the Navigator to
// complain to the user.
//+++++++++++++++++++++++++++++++++++++++++++++++++
jref
NPP_GetJavaClass(void)
{
// Only call initialize the plugin if it hasn't been `d.
#if 0
if (thePluginManager == NULL) {
// Create the plugin manager and plugin objects.
NPError result = CPluginManager::Create();
if (result) return NULL;
assert( thePluginManager != NULL );
thePluginManager->AddRef();
NP_CreatePlugin(thePluginManager, (nsIPlugin** )(&thePlugin));
assert( thePlugin != NULL );
}
return thePlugin->GetJavaClass();
#endif
return NULL;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_Shutdown:
// Provides global deinitialization for a plug-in.
//
// This function is called once after the last instance of your plug-in
// is destroyed. thePluginManager and thePlugin are delete at this time.
//+++++++++++++++++++++++++++++++++++++++++++++++++
void
NPP_Shutdown(void)
{
// TRACE("NPP_Shutdown\n");
if (thePlugin)
{
thePlugin->Shutdown();
thePlugin->Release();
thePlugin = NULL;
}
if (thePluginManager) {
thePluginManager->Release();
thePluginManager = NULL;
}
return;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_New:
// Creates a new instance of a plug-in and returns an error value.
//
// A plugin instance peer and instance peer is created. After
// a successful instansiation, the peer is stored in the plugin
// instance's pdata.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_New(NPMIMEType pluginType,
NPP instance,
PRUint16 mode,
int16 argc,
char* argn[],
char* argv[],
NPSavedData* saved)
{
// TRACE("NPP_New\n");
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
// Create a new plugin instance and start it.
nsIPluginInstance* pluginInstance = NULL;
thePlugin->CreatePluginInstance(thePluginManager, NS_GET_IID(nsIPluginInstance), pluginType, (void**)&pluginInstance);
if (pluginInstance == NULL) {
return NPERR_OUT_OF_MEMORY_ERROR;
}
// Create a new plugin instance peer,
// XXX - Since np_instance is not implemented in the 4.0x browser, I
// XXX - had to save the plugin parameter in the peer class.
// XXX - Ask Warren about np_instance.
CPluginInstancePeer* peer = new CPluginInstancePeer(pluginInstance, instance, (nsMIMEType)pluginType,
(nsPluginMode)mode, (PRUint16)argc, (const char** )argn, (const char** )argv);
assert( peer != NULL );
if (!peer) return NPERR_OUT_OF_MEMORY_ERROR;
peer->AddRef();
pluginInstance->Initialize(peer);
pluginInstance->Start();
// Set the user instance and store the peer in npp->pdata.
instance->pdata = peer;
peer->Release();
return NPERR_NO_ERROR;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_Destroy:
// Deletes a specific instance of a plug-in and returns an error value.
//
// The plugin instance peer and plugin instance are destroyed.
// The instance's pdata is set to NULL.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_Destroy(NPP instance, NPSavedData** save)
{
// TRACE("NPP_Destroy\n");
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
CPluginInstancePeer* peer = (CPluginInstancePeer*) instance->pdata;
nsIPluginInstance* pluginInstance = peer->GetInstance();
pluginInstance->Stop();
pluginInstance->Destroy();
pluginInstance->Release();
// peer->Release();
instance->pdata = NULL;
return NPERR_NO_ERROR;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_SetWindow:
// Sets the window in which a plug-in draws, and returns an error value.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_SetWindow(NPP instance, NPWindow* window)
{
// TRACE("NPP_SetWindow\n");
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
CPluginInstancePeer* peer = (CPluginInstancePeer*) instance->pdata;
if ( peer == NULL)
return NPERR_INVALID_PLUGIN_ERROR;
// record the window in the peer, so we can deliver proper events.
peer->SetWindow(window);
nsIPluginInstance* pluginInstance = peer->GetInstance();
if( pluginInstance == 0 )
return NPERR_INVALID_PLUGIN_ERROR;
return (NPError)pluginInstance->SetWindow((nsPluginWindow* ) window );
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_NewStream:
// Notifies an instance of a new data stream and returns an error value.
//
// Create a stream peer and stream. If succesful, save
// the stream peer in NPStream's pdata.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_NewStream(NPP instance,
NPMIMEType type,
NPStream *stream,
NPBool seekable,
PRUint16 *stype)
{
// XXX - How do you set the fields of the peer stream and stream?
// XXX - Looks like these field will have to be created since
// XXX - We are not using np_stream.
// TRACE("NPP_NewStream\n");
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
CPluginInputStream* inStr = (CPluginInputStream*)stream->notifyData;
if (inStr == NULL)
return NPERR_GENERIC_ERROR;
nsIPluginStreamInfo* info = inStr->CreatePluginStreamInfo(stream->url, type, seekable);
nsresult err = inStr->GetListener()->OnStartBinding(info);
if (err) return err;
inStr->SetStreamInfo(instance, stream);
stream->pdata = inStr;
*stype = inStr->GetStreamType();
return NPERR_NO_ERROR;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_WriteReady:
// Returns the maximum number of bytes that an instance is prepared to accept
// from the stream.
//+++++++++++++++++++++++++++++++++++++++++++++++++
int32
NPP_WriteReady(NPP instance, NPStream *stream)
{
// TRACE("NPP_WriteReady\n");
if (instance == NULL)
return -1;
CPluginInputStream* inStr = (CPluginInputStream*)stream->pdata;
if (inStr == NULL)
return -1;
return NP_MAXREADY;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_Write:
// Delivers data from a stream and returns the number of bytes written.
//+++++++++++++++++++++++++++++++++++++++++++++++++
int32
NPP_Write(NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
{
// TRACE("NPP_Write\n");
if (instance == NULL)
return -1;
CPluginInputStream* inStr = (CPluginInputStream*)stream->pdata;
if (inStr == NULL)
return -1;
nsresult err = inStr->SetReadBuffer((PRUint32)len, (const char*)buffer);
if (err != NS_OK) return -1;
err = inStr->GetListener()->OnDataAvailable(inStr->GetPluginStreamInfo(), inStr, len);
if (err != NS_OK) return -1;
return len;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_DestroyStream:
// Indicates the closure and deletion of a stream, and returns an error value.
//
// The stream peer and stream are destroyed. NPStream's
// pdata is set to NULL.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NPError
NPP_DestroyStream(NPP instance, NPStream *stream, NPReason reason)
{
// TRACE("NPP_DestroyStream\n");
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
CPluginInputStream* inStr = (CPluginInputStream*)stream->pdata;
if (inStr == NULL)
return NPERR_GENERIC_ERROR;
inStr->GetListener()->OnStopBinding(inStr->GetPluginStreamInfo(), (nsPluginReason)reason);
// inStr->Release();
stream->pdata = NULL;
return NPERR_NO_ERROR;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_StreamAsFile:
// Provides a local file name for the data from a stream.
//+++++++++++++++++++++++++++++++++++++++++++++++++
void
NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname)
{
// TRACE("NPP_StreamAsFile\n");
if (instance == NULL)
return;
CPluginInputStream* inStr = (CPluginInputStream*)stream->pdata;
if (inStr == NULL)
return;
(void)inStr->GetListener()->OnFileAvailable(inStr->GetPluginStreamInfo(), fname);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_Print:
//+++++++++++++++++++++++++++++++++++++++++++++++++
void
NPP_Print(NPP instance, NPPrint* printInfo)
{
// TRACE("NPP_Print\n");
if(printInfo == NULL) // trap invalid parm
return;
if (instance != NULL)
{
CPluginInstancePeer* peer = (CPluginInstancePeer*) instance->pdata;
nsIPluginInstance* pluginInstance = peer->GetInstance();
pluginInstance->Print((nsPluginPrint* ) printInfo );
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_URLNotify:
// Notifies the instance of the completion of a URL request.
//+++++++++++++++++++++++++++++++++++++++++++++++++
void
NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
// TRACE("NPP_URLNotify\n");
if (instance != NULL) {
CPluginInputStream* inStr = (CPluginInputStream*)notifyData;
(void)inStr->GetListener()->OnStopBinding(inStr->GetPluginStreamInfo(), (nsPluginReason)reason);
inStr->Release();
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NPP_HandleEvent:
// Mac-only, but stub must be present for Windows
// Delivers a platform-specific event to the instance.
//+++++++++++++++++++++++++++++++++++++++++++++++++
#ifndef XP_UNIX
int16
NPP_HandleEvent(NPP instance, void* event)
{
// TRACE("NPP_HandleEvent\n");
int16 eventHandled = FALSE;
if (instance == NULL)
return eventHandled;
NPEvent* npEvent = (NPEvent*) event;
nsPluginEvent pluginEvent = {
#ifdef XP_MAC
npEvent, NULL
#else
npEvent->event, npEvent->wParam, npEvent->lParam
#endif
};
CPluginInstancePeer* peer = (CPluginInstancePeer*) instance->pdata;
nsIPluginInstance* pluginInstance = peer->GetInstance();
if (pluginInstance) {
PRBool handled;
nsresult err = pluginInstance->HandleEvent(&pluginEvent, &handled);
if (err) return FALSE;
eventHandled = (handled == PR_TRUE);
}
return eventHandled;
}
#endif // ndef XP_UNIX
//////////////////////////////////////////////////////////////////////////////
// SECTION 5 - API Browser Implementations
//
// Glue code to the 4.0x Browser.
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// CPluginManager
//
//******************************************************************************
//
// Once we moved to the new APIs, we need to implement fJVMMgr.
//
//******************************************************************************
CPluginManager::CPluginManager(void)
{
mLiveconnect = NULL;
}
CPluginManager::~CPluginManager(void)
{
NS_IF_RELEASE(mLiveconnect);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// ReloadPlugins:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManager::ReloadPlugins(PRBool reloadPages)
{
NPN_ReloadPlugins(reloadPages);
return NS_OK;
}
NS_METHOD
CPluginManager::GetURL(nsISupports* pluginInst,
const char* url,
const char* target,
nsIPluginStreamListener* streamListener,
const char* altHost,
const char* referrer,
PRBool forceJSEnabled)
{
if (altHost != NULL || referrer != NULL || forceJSEnabled != PR_FALSE) {
return NPERR_INVALID_PARAM;
}
nsIPluginInstance* inst = NULL;
nsresult rslt = pluginInst->QueryInterface(NS_GET_IID(nsIPluginInstance), (void**)&inst);
if (rslt != NS_OK) return rslt;
CPluginInstancePeer* instancePeer = NULL;
rslt = inst->GetPeer((nsIPluginInstancePeer**)&instancePeer);
if (rslt != NS_OK) {
inst->Release();
return rslt;
}
NPP npp = instancePeer->GetNPPInstance();
NPError err;
if (streamListener) {
CPluginInputStream* inStr = new CPluginInputStream(streamListener);
if (inStr == NULL) {
instancePeer->Release();
inst->Release();
return NS_ERROR_OUT_OF_MEMORY;
}
inStr->AddRef();
err = NPN_GetURLNotify(npp, url, target, inStr);
}
else {
err = NPN_GetURL(npp, url, target);
}
instancePeer->Release();
inst->Release();
return fromNPError[err];
}
NS_METHOD
CPluginManager::PostURL(nsISupports* pluginInst,
const char* url,
PRUint32 postDataLen,
const char* postData,
PRBool isFile,
const char* target,
nsIPluginStreamListener* streamListener,
const char* altHost,
const char* referrer,
PRBool forceJSEnabled,
PRUint32 postHeadersLength,
const char* postHeaders)
{
if (altHost != NULL || referrer != NULL || forceJSEnabled != PR_FALSE
|| postHeadersLength != 0 || postHeaders != NULL) {
return NPERR_INVALID_PARAM;
}
nsIPluginInstance* inst = NULL;
nsresult rslt = pluginInst->QueryInterface(NS_GET_IID(nsIPluginInstance), (void**)&inst);
if (rslt != NS_OK) return rslt;
CPluginInstancePeer* instancePeer = NULL;
rslt = inst->GetPeer((nsIPluginInstancePeer**)&instancePeer);
if (rslt != NS_OK) {
inst->Release();
return rslt;
}
NPP npp = instancePeer->GetNPPInstance();
NPError err;
if (streamListener) {
CPluginInputStream* inStr = new CPluginInputStream(streamListener);
if (inStr == NULL) {
instancePeer->Release();
inst->Release();
return NS_ERROR_OUT_OF_MEMORY;
}
inStr->AddRef();
err = NPN_PostURLNotify(npp, url, target, postDataLen, postData, isFile, inStr);
}
else {
err = NPN_PostURL(npp, url, target, postDataLen, postData, isFile);
}
instancePeer->Release();
inst->Release();
return fromNPError[err];
}
NS_IMETHODIMP
CPluginManager::RegisterPlugin(REFNSIID aCID,
const char* aPluginName,
const char* aDescription,
const char** aMimeTypes,
const char** aMimeDescriptions,
const char** aFileExtensions,
PRInt32 aCount)
{
// XXXwaterson I don't think we need to do anything here.
return NS_OK;
}
NS_IMETHODIMP
CPluginManager::UnregisterPlugin(REFNSIID aCID)
{
// XXXwaterson I don't think we need to do anything here.
return NS_OK;
}
NS_METHOD
CPluginManager::GetService(const nsCID& aClass, const nsIID& aIID,
nsISupports* *result,
nsIShutdownListener* shutdownListener)
{
// the only service we support currently is nsIAllocator.
if (aClass.Equals(kPluginManagerCID) || aClass.Equals(kAllocatorCID)) {
return QueryInterface(aIID, (void**) result);
}
if (aClass.Equals(nsILiveconnect::GetCID())) {
if (mLiveconnect == NULL) {
mLiveconnect = new nsLiveconnect;
NS_IF_ADDREF(mLiveconnect);
}
return mLiveconnect->QueryInterface(aIID, result);
}
return NS_ERROR_SERVICE_NOT_FOUND;
}
NS_METHOD
CPluginManager::ReleaseService(const nsCID& aClass, nsISupports* service,
nsIShutdownListener* shutdownListener)
{
NS_RELEASE(service);
return NS_OK;
}
NS_METHOD_(void*)
CPluginManager::Alloc(PRUint32 size)
{
return ::NPN_MemAlloc(size);
}
NS_METHOD_(void*)
CPluginManager::Realloc(void* ptr, PRUint32 size)
{
if (ptr != NULL) {
void* new_ptr = Alloc(size);
if (new_ptr != NULL) {
::memcpy(new_ptr, ptr, size);
Free(ptr);
}
ptr = new_ptr;
}
return ptr;
}
NS_METHOD
CPluginManager::Free(void* ptr)
{
if (ptr != NULL) {
::NPN_MemFree(ptr);
return NS_OK;
}
return NS_ERROR_NULL_POINTER;
}
NS_METHOD
CPluginManager::HeapMinimize()
{
#ifdef XP_MAC
::NPN_MemFlush(1024);
#endif
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// UserAgent:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManager::UserAgent(const char* *result)
{
*result = NPN_UserAgent(NULL);
return NS_OK;
}
int varMap[] = {
(int)NPNVxDisplay, // nsPluginManagerVariable_XDisplay = 1,
(int)NPNVxtAppContext, // nsPluginManagerVariable_XtAppContext,
(int)NPNVnetscapeWindow, // nsPluginManagerVariable_NetscapeWindow,
(int)NPPVpluginWindowBool, // nsPluginInstancePeerVariable_WindowBool,
(int)NPPVpluginTransparentBool, // nsPluginInstancePeerVariable_TransparentBool,
(int)NPPVjavaClass, // nsPluginInstancePeerVariable_JavaClass,
(int)NPPVpluginWindowSize, // nsPluginInstancePeerVariable_WindowSize,
(int)NPPVpluginTimerInterval, // nsPluginInstancePeerVariable_TimerInterval
};
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManager::GetValue(nsPluginManagerVariable variable, void *value)
{
#ifdef XP_UNIX
return fromNPError[NPN_GetValue(NULL, (NPNVariable)varMap[(int)variable], value)];
#else
return fromNPError[NPERR_GENERIC_ERROR];
#endif // XP_UNIX
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// SetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManager::SetValue(nsPluginManagerVariable variable, void *value)
{
#ifdef XP_UNIX
return fromNPError[NPN_SetValue(NULL, (NPPVariable)varMap[(int)variable], value)];
#else
return fromNPError[NPERR_GENERIC_ERROR];
#endif // XP_UNIX
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// nsISupports functions
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_IMPL_ADDREF(CPluginManager)
NS_IMPL_RELEASE(CPluginManager)
NS_METHOD
CPluginManager::QueryInterface(const nsIID& iid, void** ptr)
{
if (NULL == ptr) {
return NS_ERROR_NULL_POINTER;
}
if (iid.Equals(NS_GET_IID(nsIServiceManager))) {
*ptr = (void*) (nsIServiceManager*)this;
AddRef();
return NS_OK;
}
if (iid.Equals(NS_GET_IID(nsIAllocator))) {
*ptr = (void*) (nsIAllocator*)this;
AddRef();
return NS_OK;
}
if (iid.Equals(NS_GET_IID(nsIPluginManager)) || iid.Equals(NS_GET_IID(nsISupports))) {
*ptr = (void*) ((nsIPluginManager*)this);
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
//////////////////////////////////////////////////////////////////////////////
//
// CPluginInstancePeer
//
CPluginInstancePeer::CPluginInstancePeer(nsIPluginInstance* pluginInstance,
NPP npp,
nsMIMEType typeString,
nsPluginMode type,
PRUint16 attr_cnt,
const char** attr_list,
const char** val_list)
: mInstance(pluginInstance), mWindow(NULL),
npp(npp), typeString(typeString), type(type), attribute_cnt(attr_cnt),
attribute_list(NULL), values_list(NULL)
{
NS_IF_ADDREF(mInstance);
attribute_list = (char**) NPN_MemAlloc(attr_cnt * sizeof(const char*));
values_list = (char**) NPN_MemAlloc(attr_cnt * sizeof(const char*));
if (attribute_list != NULL && values_list != NULL) {
for (int i = 0; i < attribute_cnt; i++) {
attribute_list[i] = (char*) NPN_MemAlloc(strlen(attr_list[i]) + 1);
if (attribute_list[i] != NULL)
strcpy(attribute_list[i], attr_list[i]);
values_list[i] = (char*) NPN_MemAlloc(strlen(val_list[i]) + 1);
if (values_list[i] != NULL)
strcpy(values_list[i], val_list[i]);
}
}
}
CPluginInstancePeer::~CPluginInstancePeer(void)
{
if (attribute_list != NULL && values_list != NULL) {
for (int i = 0; i < attribute_cnt; i++) {
NPN_MemFree(attribute_list[i]);
NPN_MemFree(values_list[i]);
}
NPN_MemFree(attribute_list);
NPN_MemFree(values_list);
}
NS_IF_RELEASE(mInstance);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::GetValue(nsPluginInstancePeerVariable variable, void *value)
{
#ifdef XP_UNIX
return fromNPError[NPN_GetValue(NULL, (NPNVariable)varMap[(int)variable], value)];
#else
return fromNPError[NPERR_GENERIC_ERROR];
#endif // XP_UNIX
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// SetValue:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::SetValue(nsPluginInstancePeerVariable variable, void *value)
{
#ifdef XP_UNIX
return fromNPError[NPN_SetValue(NULL, (NPPVariable)varMap[(int)variable], value)];
#else
return fromNPError[NPERR_GENERIC_ERROR];
#endif // XP_UNIX
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetMIMEType:
// Corresponds to NPP_New's MIMEType argument.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::GetMIMEType(nsMIMEType *result)
{
*result = typeString;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetMode:
// Corresponds to NPP_New's mode argument.
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::GetMode(nsPluginMode *result)
{
*result = type;
return NS_OK;
}
// Get a ptr to the paired list of attribute names and values,
// returns the length of the array.
//
// Each name or value is a null-terminated string.
NS_METHOD
CPluginInstancePeer::GetAttributes(PRUint16& n, const char* const*& names, const char* const*& values)
{
n = attribute_cnt;
names = attribute_list;
values = values_list;
return NS_OK;
}
#if defined(XP_MAC)
inline unsigned char toupper(unsigned char c)
{
return (c >= 'a' && c <= 'z') ? (c - ('a' - 'A')) : c;
}
static int strcasecmp(const char * str1, const char * str2)
{
#if __POWERPC__
const unsigned char * p1 = (unsigned char *) str1 - 1;
const unsigned char * p2 = (unsigned char *) str2 - 1;
unsigned long c1, c2;
while (toupper(c1 = *++p1) == toupper(c2 = *++p2))
if (!c1)
return(0);
#else
const unsigned char * p1 = (unsigned char *) str1;
const unsigned char * p2 = (unsigned char *) str2;
unsigned char c1, c2;
while (toupper(c1 = *p1++) == toupper(c2 = *p2++))
if (!c1)
return(0);
#endif
return(toupper(c1) - toupper(c2));
}
#endif /* XP_MAC */
// Get the value for the named attribute. Returns null
// if the attribute was not set.
NS_METHOD
CPluginInstancePeer::GetAttribute(const char* name, const char* *result)
{
for (int i=0; i < attribute_cnt; i++) {
#if defined(XP_UNIX) || defined(XP_MAC)
if (strcasecmp(name, attribute_list[i]) == 0)
#else
if (stricmp(name, attribute_list[i]) == 0)
#endif
{
*result = values_list[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// NewStream:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::NewStream(nsMIMEType type, const char* target,
nsIOutputStream* *result)
{
assert( npp != NULL );
// Create a new NPStream.
NPStream* stream = NULL;
NPError error = NPN_NewStream(npp, (NPMIMEType)type, target, &stream);
if (error != NPERR_NO_ERROR)
return fromNPError[error];
// Create a new Plugin Manager Stream.
// XXX - Do we have to Release() the manager stream before doing this?
// XXX - See the BAM doc for more info.
CPluginManagerStream* mstream = new CPluginManagerStream(npp, stream);
if (mstream == NULL)
return NS_ERROR_OUT_OF_MEMORY;
mstream->AddRef();
*result = (nsIOutputStream* )mstream;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// ShowStatus:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginInstancePeer::ShowStatus(const char* message)
{
assert( message != NULL );
NPN_Status(npp, message);
return NS_OK;
}
NS_METHOD
CPluginInstancePeer::SetWindowSize(PRUint32 width, PRUint32 height)
{
NPError err;
NPSize size;
size.width = width;
size.height = height;
err = NPN_SetValue(npp, NPPVpluginWindowSize, &size);
return fromNPError[err];
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// nsISupports functions
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_IMPL_ADDREF(CPluginInstancePeer)
NS_IMPL_RELEASE(CPluginInstancePeer)
NS_METHOD
CPluginInstancePeer::QueryInterface(const nsIID& iid, void** ptr)
{
if (NULL == ptr) {
return NS_ERROR_NULL_POINTER;
}
if (iid.Equals(NS_GET_IID(nsIPluginInstancePeer))) {
*ptr = (void*) this;
AddRef();
return NS_OK;
}
if (iid.Equals(NS_GET_IID(nsIPluginTagInfo)) || iid.Equals(NS_GET_IID(nsISupports))) {
*ptr = (void*) ((nsIPluginTagInfo*)this);
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
//////////////////////////////////////////////////////////////////////////////
//
// CPluginManagerStream
//
CPluginManagerStream::CPluginManagerStream(NPP npp, NPStream* pstr)
: npp(npp), pstream(pstr)
{
}
CPluginManagerStream::~CPluginManagerStream(void)
{
//pstream = NULL;
NPN_DestroyStream(npp, pstream, NPRES_DONE);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// Write:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::Write(const char* buffer, PRUint32 len, PRUint32 *aWriteCount)
{
assert( npp != NULL );
assert( pstream != NULL );
*aWriteCount = NPN_Write(npp, pstream, len, (void* )buffer);
return *aWriteCount >= 0 ? NS_OK : NS_ERROR_FAILURE;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetURL:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::GetURL(const char* *result)
{
assert( pstream != NULL );
*result = pstream->url;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetEnd:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::GetEnd(PRUint32 *result)
{
assert( pstream != NULL );
*result = pstream->end;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetLastModified:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::GetLastModified(PRUint32 *result)
{
assert( pstream != NULL );
*result = pstream->lastmodified;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetNotifyData:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::GetNotifyData(void* *result)
{
assert( pstream != NULL );
*result = pstream->notifyData;
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// GetNotifyData:
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_METHOD
CPluginManagerStream::Close(void)
{
assert( pstream != NULL );
return NS_OK;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++
// nsISupports functions
//+++++++++++++++++++++++++++++++++++++++++++++++++
NS_IMPL_ISUPPORTS1(CPluginManagerStream, nsIOutputStream)
//////////////////////////////////////////////////////////////////////////////
NS_IMPL_ISUPPORTS1(CPluginStreamInfo, nsIPluginStreamInfo)
CPluginInputStream::CPluginInputStream(nsIPluginStreamListener* listener)
: mListener(listener), mStreamType(nsPluginStreamType_Normal),
mNPP(NULL), mStream(NULL),
mBuffer(NULL), mBufferLength(0), mAmountRead(0),
mStreamInfo(NULL)
{
if (mListener != NULL) {
mListener->AddRef();
mListener->GetStreamType(&mStreamType);
}
}
CPluginInputStream::~CPluginInputStream(void)
{
NS_IF_RELEASE(mListener);
delete mBuffer;
NS_IF_RELEASE(mStreamInfo);
}
NS_IMPL_ISUPPORTS1(CPluginInputStream, nsIPluginInputStream)
NS_METHOD
CPluginInputStream::Close(void)
{
if (mNPP == NULL || mStream == NULL)
return NS_ERROR_FAILURE;
NPError err = NPN_DestroyStream(mNPP, mStream, NPRES_USER_BREAK);
return fromNPError[err];
}
NS_METHOD
CPluginInputStream::GetLength(PRUint32 *aLength)
{
*aLength = mStream->end;
return NS_OK;
}
NS_METHOD
CPluginInputStream::Read(char* aBuf, PRUint32 aCount, PRUint32 *aReadCount)
{
PRUint32 cnt = PR_MIN(aCount, mBufferLength);
memcpy(aBuf, mBuffer + mAmountRead, cnt);
*aReadCount = cnt;
mAmountRead += cnt;
mBufferLength -= cnt;
return NS_OK;
}
NS_METHOD
CPluginInputStream::GetLastModified(PRUint32 *result)
{
*result = mStream->lastmodified;
return NS_OK;
}
NS_METHOD
CPluginInputStream::RequestRead(nsByteRange* rangeList)
{
NPError err = NPN_RequestRead(mStream, (NPByteRange*)rangeList);
return fromNPError[err];
}
//////////////////////////////////////////////////////////////////////////////
#if defined(__cplusplus)
} /* extern "C" */
#endif
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