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tdebase/nsplugins/viewer/nsplugin.cpp

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/*
This is an encapsulation of the Netscape plugin API.
Copyright (c) 2000 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
Stefan Schimanski <1Stein@gmx.de>
2003-2005 George Staikos <staikos@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "NSPluginCallbackIface_stub.h"
#include <stdlib.h>
#include <unistd.h>
#include <tqdict.h>
#include <tqdir.h>
#include <tqfile.h>
#include <tqtimer.h>
#include "kxt.h"
#include "nsplugin.h"
#include "resolve.h"
#ifdef Bool
#undef Bool
#endif
#include <dcopclient.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kio/netaccess.h>
#include <klibloader.h>
#include <klocale.h>
#include <kprocess.h>
#include <kprotocolmanager.h>
#include <kstandarddirs.h>
#include <ktempfile.h>
#include <kurl.h>
#include <X11/Intrinsic.h>
#include <X11/Composite.h>
#include <X11/Constraint.h>
#include <X11/Shell.h>
#include <X11/StringDefs.h>
// provide these symbols when compiling with gcc 3.x
#if defined __GNUC__ && defined __GNUC_MINOR__
# define KDE_GNUC_PREREQ(maj, min) \
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#else
# define KDE_GNUC_PREREQ(maj, min) 0
#endif
#if defined(__GNUC__) && KDE_GNUC_PREREQ(3,0)
extern "C" void* __builtin_new(size_t s)
{
return operator new(s);
}
extern "C" void __builtin_delete(void* p)
{
operator delete(p);
}
extern "C" void* __builtin_vec_new(size_t s)
{
return operator new[](s);
}
extern "C" void __builtin_vec_delete(void* p)
{
operator delete[](p);
}
extern "C" void __pure_virtual()
{
abort();
}
#endif
// server side functions -----------------------------------------------------
// allocate memory
void *g_NPN_MemAlloc(uint32 size)
{
void *mem = ::malloc(size);
//kdDebug(1431) << "g_NPN_MemAlloc(), size=" << size << " allocated at " << mem << endl;
return mem;
}
// free memory
void g_NPN_MemFree(void *ptr)
{
//kdDebug(1431) << "g_NPN_MemFree() at " << ptr << endl;
if (ptr)
::free(ptr);
}
uint32 g_NPN_MemFlush(uint32 size)
{
Q_UNUSED(size);
//kdDebug(1431) << "g_NPN_MemFlush()" << endl;
// MAC OS only.. we don't use this
return 0;
}
// redraw
void g_NPN_ForceRedraw(NPP /*instance*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api3.html#999401
// FIXME
kdDebug(1431) << "g_NPN_ForceRedraw() [unimplemented]" << endl;
}
// invalidate rect
void g_NPN_InvalidateRect(NPP /*instance*/, NPRect* /*invalidRect*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api7.html#999503
// FIXME
kdDebug(1431) << "g_NPN_InvalidateRect() [unimplemented]" << endl;
}
// invalidate region
void g_NPN_InvalidateRegion(NPP /*instance*/, NPRegion /*invalidRegion*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api8.html#999528
// FIXME
kdDebug(1431) << "g_NPN_InvalidateRegion() [unimplemented]" << endl;
}
// get value
NPError g_NPN_GetValue(NPP /*instance*/, NPNVariable variable, void *value)
{
kdDebug(1431) << "g_NPN_GetValue(), variable=" << static_cast<int>(variable) << endl;
switch (variable)
{
case NPNVxDisplay:
*(void**)value = tqt_xdisplay();
return NPERR_NO_ERROR;
case NPNVxtAppContext:
*(void**)value = XtDisplayToApplicationContext(tqt_xdisplay());
return NPERR_NO_ERROR;
case NPNVjavascriptEnabledBool:
*(bool*)value = true;
return NPERR_NO_ERROR;
case NPNVasdEnabledBool:
// SmartUpdate - we don't do this
*(bool*)value = false;
return NPERR_NO_ERROR;
case NPNVisOfflineBool:
// Offline browsing - no thanks
*(bool*)value = false;
return NPERR_NO_ERROR;
case NPNVToolkit:
*(NPNToolkitType*)value = NPNVGtk2;
return NPERR_NO_ERROR;
case NPNVSupportsXEmbedBool:
*(bool*)value = true;
return NPERR_NO_ERROR;
default:
return NPERR_INVALID_PARAM;
}
}
NPError g_NPN_DestroyStream(NPP instance, NPStream* stream,
NPReason reason)
{
// FIXME: is this correct? I imagine it is not. (GS)
kdDebug(1431) << "g_NPN_DestroyStream()" << endl;
NSPluginInstance *inst = (NSPluginInstance*) instance->ndata;
inst->streamFinished( (NSPluginStream *)stream->ndata );
switch (reason) {
case NPRES_DONE:
return NPERR_NO_ERROR;
case NPRES_USER_BREAK:
// FIXME: notify the user
case NPRES_NETWORK_ERR:
// FIXME: notify the user
default:
return NPERR_GENERIC_ERROR;
}
}
NPError g_NPN_RequestRead(NPStream* /*stream*/, NPByteRange* /*rangeList*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api16.html#999734
kdDebug(1431) << "g_NPN_RequestRead() [unimplemented]" << endl;
// FIXME
return NPERR_GENERIC_ERROR;
}
NPError g_NPN_NewStream(NPP /*instance*/, NPMIMEType /*type*/,
const char* /*target*/, NPStream** /*stream*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api12.html#999628
kdDebug(1431) << "g_NPN_NewStream() [unimplemented]" << endl;
// FIXME
// This creates a stream from the plugin to the browser of type "type" to
// display in "target"
return NPERR_GENERIC_ERROR;
}
int32 g_NPN_Write(NPP /*instance*/, NPStream* /*stream*/, int32 /*len*/, void* /*buf*/)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api21.html#999859
kdDebug(1431) << "g_NPN_Write() [unimplemented]" << endl;
// FIXME
return 0;
}
// URL functions
NPError g_NPN_GetURL(NPP instance, const char *url, const char *target)
{
kdDebug(1431) << "g_NPN_GetURL: url=" << url << " target=" << target << endl;
NSPluginInstance *inst = static_cast<NSPluginInstance*>(instance->ndata);
if (inst) {
inst->requestURL( TQString::fromLatin1(url), TQString::null,
TQString::fromLatin1(target), 0 );
}
return NPERR_NO_ERROR;
}
NPError g_NPN_GetURLNotify(NPP instance, const char *url, const char *target,
void* notifyData)
{
kdDebug(1431) << "g_NPN_GetURLNotify: url=" << url << " target=" << target << " inst=" << (void*)instance << endl;
NSPluginInstance *inst = static_cast<NSPluginInstance*>(instance->ndata);
if (inst) {
kdDebug(1431) << "g_NPN_GetURLNotify: ndata=" << (void*)inst << endl;
inst->requestURL( TQString::fromLatin1(url), TQString::null,
TQString::fromLatin1(target), notifyData, true );
}
return NPERR_NO_ERROR;
}
NPError g_NPN_PostURLNotify(NPP instance, const char* url, const char* target,
uint32 len, const char* buf, NPBool file, void* notifyData)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api14.html
kdDebug(1431) << "g_NPN_PostURLNotify() [incomplete]" << endl;
kdDebug(1431) << "url=[" << url << "] target=[" << target << "]" << endl;
TQByteArray postdata;
KParts::URLArgs args;
if (len == 0) {
return NPERR_NO_DATA;
}
if (file) { // buf is a filename
TQFile f(buf);
if (!f.open(IO_ReadOnly)) {
return NPERR_FILE_NOT_FOUND;
}
// FIXME: this will not work because we need to strip the header out!
postdata = f.readAll();
f.close();
} else { // buf is raw data
// First strip out the header
const char *previousStart = buf;
uint32 l;
bool previousCR = true;
for (l = 1;; l++) {
if (l == len) {
break;
}
if (buf[l-1] == '\n' || (previousCR && buf[l-1] == '\r')) {
if (previousCR) { // header is done!
if ((buf[l-1] == '\r' && buf[l] == '\n') ||
(buf[l-1] == '\n' && buf[l] == '\r'))
l++;
l++;
previousStart = &buf[l-1];
break;
}
TQString thisLine = TQString::fromLatin1(previousStart, &buf[l-1] - previousStart).stripWhiteSpace();
previousStart = &buf[l];
previousCR = true;
kdDebug(1431) << "Found header line: [" << thisLine << "]" << endl;
if (thisLine.startsWith("Content-Type: ")) {
args.setContentType(thisLine);
}
} else {
previousCR = false;
}
}
postdata.duplicate(previousStart, len - l + 1);
}
kdDebug(1431) << "Post data: " << postdata.size() << " bytes" << endl;
#if 0
TQFile f("/tmp/nspostdata");
f.open(IO_WriteOnly);
f.writeBlock(postdata);
f.close();
#endif
if (!target || !*target) {
// Send the results of the post to the plugin
// (works by default)
} else if (!strcmp(target, "_current") || !strcmp(target, "_self") ||
!strcmp(target, "_top")) {
// Unload the plugin, put the results in the frame/window that the
// plugin was loaded in
// FIXME
} else if (!strcmp(target, "_new") || !strcmp(target, "_blank")){
// Open a new browser window and write the results there
// FIXME
} else {
// Write the results to the specified frame
// FIXME
}
NSPluginInstance *inst = static_cast<NSPluginInstance*>(instance->ndata);
if (inst && !inst->normalizedURL(TQString::fromLatin1(url)).isNull()) {
inst->postURL( TQString::fromLatin1(url), postdata, args.contentType(),
TQString::fromLatin1(target), notifyData, args, true );
} else {
// Unsupported / insecure
return NPERR_INVALID_URL;
}
return NPERR_NO_ERROR;
}
NPError g_NPN_PostURL(NPP instance, const char* url, const char* target,
uint32 len, const char* buf, NPBool file)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api13.html
kdDebug(1431) << "g_NPN_PostURL()" << endl;
kdDebug(1431) << "url=[" << url << "] target=[" << target << "]" << endl;
TQByteArray postdata;
KParts::URLArgs args;
if (len == 0) {
return NPERR_NO_DATA;
}
if (file) { // buf is a filename
TQFile f(buf);
if (!f.open(IO_ReadOnly)) {
return NPERR_FILE_NOT_FOUND;
}
// FIXME: this will not work because we need to strip the header out!
postdata = f.readAll();
f.close();
} else { // buf is raw data
// First strip out the header
const char *previousStart = buf;
uint32 l;
bool previousCR = true;
for (l = 1;; l++) {
if (l == len) {
break;
}
if (buf[l-1] == '\n' || (previousCR && buf[l-1] == '\r')) {
if (previousCR) { // header is done!
if ((buf[l-1] == '\r' && buf[l] == '\n') ||
(buf[l-1] == '\n' && buf[l] == '\r'))
l++;
l++;
previousStart = &buf[l-1];
break;
}
TQString thisLine = TQString::fromLatin1(previousStart, &buf[l-1] - previousStart).stripWhiteSpace();
previousStart = &buf[l];
previousCR = true;
kdDebug(1431) << "Found header line: [" << thisLine << "]" << endl;
if (thisLine.startsWith("Content-Type: ")) {
args.setContentType(thisLine);
}
} else {
previousCR = false;
}
}
postdata.duplicate(previousStart, len - l + 1);
}
kdDebug(1431) << "Post data: " << postdata.size() << " bytes" << endl;
#if 0
TQFile f("/tmp/nspostdata");
f.open(IO_WriteOnly);
f.writeBlock(postdata);
f.close();
#endif
if (!target || !*target) {
// Send the results of the post to the plugin
// (works by default)
} else if (!strcmp(target, "_current") || !strcmp(target, "_self") ||
!strcmp(target, "_top")) {
// Unload the plugin, put the results in the frame/window that the
// plugin was loaded in
// FIXME
} else if (!strcmp(target, "_new") || !strcmp(target, "_blank")){
// Open a new browser window and write the results there
// FIXME
} else {
// Write the results to the specified frame
// FIXME
}
NSPluginInstance *inst = static_cast<NSPluginInstance*>(instance->ndata);
if (inst && !inst->normalizedURL(TQString::fromLatin1(url)).isNull()) {
inst->postURL( TQString::fromLatin1(url), postdata, args.contentType(),
TQString::fromLatin1(target), 0L, args, false );
} else {
// Unsupported / insecure
return NPERR_INVALID_URL;
}
return NPERR_NO_ERROR;
}
// display status message
void g_NPN_Status(NPP instance, const char *message)
{
kdDebug(1431) << "g_NPN_Status(): " << message << endl;
if (!instance)
return;
// turn into an instance signal
NSPluginInstance *inst = (NSPluginInstance*) instance->ndata;
inst->emitStatus(message);
}
// inquire user agent
const char *g_NPN_UserAgent(NPP /*instance*/)
{
KProtocolManager kpm;
TQString agent = kpm.userAgentForHost("nspluginviewer");
kdDebug(1431) << "g_NPN_UserAgent() = " << agent << endl;
// flash crashes without Firefox UA
agent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.10) Gecko/2007101500 Firefox/2.0.0.10";
return agent.latin1();
}
// inquire version information
void g_NPN_Version(int *plugin_major, int *plugin_minor, int *browser_major, int *browser_minor)
{
kdDebug(1431) << "g_NPN_Version()" << endl;
// FIXME: Use the sensible values
*browser_major = NP_VERSION_MAJOR;
*browser_minor = NP_VERSION_MINOR;
*plugin_major = NP_VERSION_MAJOR;
*plugin_minor = NP_VERSION_MINOR;
}
void g_NPN_ReloadPlugins(NPBool reloadPages)
{
// http://devedge.netscape.com/library/manuals/2002/plugin/1.0/npn_api15.html#999713
kdDebug(1431) << "g_NPN_ReloadPlugins()" << endl;
TDEProcess p;
p << TDEGlobal::dirs()->findExe("nspluginscan");
if (reloadPages) {
// This is the proper way, but it cannot be done because we have no
// handle to the caller! How stupid! We cannot force all konqi windows
// to reload - that would be evil.
//p.start(TDEProcess::Block);
// Let's only allow the caller to be reloaded, not everything.
//if (_callback)
// _callback->reloadPage();
p.start(TDEProcess::DontCare);
} else {
p.start(TDEProcess::DontCare);
}
}
// JAVA functions
JRIEnv *g_NPN_GetJavaEnv()
{
kdDebug(1431) << "g_NPN_GetJavaEnv() [unimplemented]" << endl;
// FIXME - what do these do? I can't find docs, and even Mozilla doesn't
// implement them
return 0;
}
jref g_NPN_GetJavaPeer(NPP /*instance*/)
{
kdDebug(1431) << "g_NPN_GetJavaPeer() [unimplemented]" << endl;
// FIXME - what do these do? I can't find docs, and even Mozilla doesn't
// implement them
return 0;
}
NPError g_NPN_SetValue(NPP /*instance*/, NPPVariable variable, void* /*value*/)
{
kdDebug(1431) << "g_NPN_SetValue() [unimplemented]" << endl;
switch (variable) {
case NPPVpluginWindowBool:
// FIXME
// If true, the plugin is windowless. If false, it is in a window.
case NPPVpluginTransparentBool:
// FIXME
// If true, the plugin is displayed transparent
default:
return NPERR_GENERIC_ERROR;
}
}
/******************************************************************/
void
NSPluginInstance::forwarder(Widget w, XtPointer cl_data, XEvent * event, Boolean * cont)
{
Q_UNUSED(w);
NSPluginInstance *inst = (NSPluginInstance*)cl_data;
*cont = True;
if (inst->_form == 0 || event->xkey.window == XtWindow(inst->_form))
return;
*cont = False;
event->xkey.window = XtWindow(inst->_form);
event->xkey.subwindow = None;
XtDispatchEvent(event);
}
NSPluginInstance::NSPluginInstance(NPP privateData, NPPluginFuncs *pluginFuncs,
KLibrary *handle, int width, int height,
TQString src, TQString /*mime*/,
TQString appId, TQString callbackId,
bool embed, WId xembed,
TQObject *parent, const char* name )
: DCOPObject(), TQObject( parent, name )
{
Q_UNUSED(embed);
_visible = false;
_npp = privateData;
_npp->ndata = this;
_destroyed = false;
_handle = handle;
_width = width;
_height = height;
_tempFiles.setAutoDelete( true );
_streams.setAutoDelete( true );
_waitingRequests.setAutoDelete( true );
_callback = new NSPluginCallbackIface_stub( appId.latin1(), callbackId.latin1() );
_xembed_window = xembed;
_toplevel = _form = 0;
KURL base(src);
base.setFileName( TQString::null );
_baseURL = base.url();
memcpy(&_pluginFuncs, pluginFuncs, sizeof(_pluginFuncs));
_timer = new TQTimer( this );
connect( _timer, TQT_SIGNAL(timeout()), TQT_SLOT(timer()) );
kdDebug(1431) << "NSPluginInstance::NSPluginInstance" << endl;
kdDebug(1431) << "pdata = " << _npp->pdata << endl;
kdDebug(1431) << "ndata = " << _npp->ndata << endl;
if (width == 0)
width = 1600;
if (height == 0)
height = 1200;
if( _xembed_window == 0 ) {
// create drawing area
Arg args[7];
Cardinal nargs = 0;
XtSetArg(args[nargs], XtNwidth, width); nargs++;
XtSetArg(args[nargs], XtNheight, height); nargs++;
XtSetArg(args[nargs], XtNborderWidth, 0); nargs++;
String n, c;
XtGetApplicationNameAndClass(tqt_xdisplay(), &n, &c);
_toplevel = XtAppCreateShell("drawingArea", c, applicationShellWidgetClass,
tqt_xdisplay(), args, nargs);
// What exactly does widget mapping mean? Without this call the widget isn't
// embedded correctly. With it the viewer doesn't show anything in standalone mode.
//if (embed)
XtSetMappedWhenManaged(_toplevel, False);
XtRealizeWidget(_toplevel);
// Create form window that is searched for by flash plugin
_form = XtVaCreateWidget("form", compositeWidgetClass, _toplevel, NULL);
XtSetArg(args[nargs], XtNvisual, TQPaintDevice::x11AppVisual()); nargs++;
XtSetArg(args[nargs], XtNdepth, TQPaintDevice::x11AppDepth()); nargs++;
XtSetArg(args[nargs], XtNcolormap, TQPaintDevice::x11AppColormap()); nargs++;
XtSetValues(_form, args, nargs);
XSync(tqt_xdisplay(), false);
// From mozilla - not sure if it's needed yet, nor what to use for embedder
#if 0
/* this little trick seems to finish initializing the widget */
#if XlibSpecificationRelease >= 6
XtRegisterDrawable(tqt_xdisplay(), embedderid, _toplevel);
#else
_XtRegisterWindow(embedderid, _toplevel);
#endif
#endif
XtRealizeWidget(_form);
XtManageChild(_form);
// Register forwarder
XtAddEventHandler(_toplevel, (KeyPressMask|KeyReleaseMask),
False, forwarder, (XtPointer)this );
XtAddEventHandler(_form, (KeyPressMask|KeyReleaseMask),
False, forwarder, (XtPointer)this );
XSync(tqt_xdisplay(), false);
}
}
NSPluginInstance::~NSPluginInstance()
{
kdDebug(1431) << "-> ~NSPluginInstance" << endl;
destroy();
kdDebug(1431) << "<- ~NSPluginInstance" << endl;
}
void NSPluginInstance::destroy()
{
if ( !_destroyed ) {
kdDebug(1431) << "delete streams" << endl;
_waitingRequests.clear();
shutdown();
for( NSPluginStreamBase *s=_streams.first(); s!=0; ) {
NSPluginStreamBase *next = _streams.next();
s->stop();
s = next;
}
_streams.clear();
kdDebug(1431) << "delete callbacks" << endl;
delete _callback;
_callback = 0;
kdDebug(1431) << "destroy plugin" << endl;
NPSavedData *saved = 0;
// As of 7/31/01, nsplugin crashes when used with Qt
// linked with libGL if the destroy function is called.
// A patch on that date hacked out the following call.
// On 11/17/01, Jeremy White has reenabled this destroy
// in a an attempt to better understand why this crash
// occurs so that the real problem can be found and solved.
// It's possible that a flaw in the SetWindow call
// caused the crash and it is now fixed.
if ( _pluginFuncs.destroy )
_pluginFuncs.destroy( _npp, &saved );
if (saved && saved->len && saved->buf)
g_NPN_MemFree(saved->buf);
if (saved)
g_NPN_MemFree(saved);
if( _form != 0 ) {
XtRemoveEventHandler(_form, (KeyPressMask|KeyReleaseMask),
False, forwarder, (XtPointer)this);
XtRemoveEventHandler(_toplevel, (KeyPressMask|KeyReleaseMask),
False, forwarder, (XtPointer)this);
XtDestroyWidget(_form);
_form = 0;
XtDestroyWidget(_toplevel);
_toplevel = 0;
}
if (_npp) {
::free(_npp); // matched with malloc() in newInstance
}
_destroyed = true;
}
}
void NSPluginInstance::shutdown()
{
NSPluginClass *cls = dynamic_cast<NSPluginClass*>(parent());
//destroy();
if (cls) {
cls->destroyInstance( this );
}
}
void NSPluginInstance::timer()
{
if (!_visible) {
_timer->start( 100, true );
return;
}
//_streams.clear();
// start queued requests
kdDebug(1431) << "looking for waiting requests" << endl;
while ( _waitingRequests.head() ) {
kdDebug(1431) << "request found" << endl;
Request req( *_waitingRequests.head() );
_waitingRequests.remove();
TQString url;
// make absolute url
if ( req.url.left(11).lower()=="javascript:" )
url = req.url;
else if ( KURL::isRelativeURL(req.url) ) {
KURL bu( _baseURL );
KURL absUrl( bu, req.url );
url = absUrl.url();
} else if ( req.url[0]=='/' && KURL(_baseURL).hasHost() ) {
KURL absUrl( _baseURL );
absUrl.setPath( req.url );
url = absUrl.url();
} else
url = req.url;
// non empty target = frame target
if ( !req.target.isEmpty())
{
if (_callback)
{
if ( req.post ) {
_callback->postURL( url, req.target, req.data, req.mime );
} else {
_callback->requestURL( url, req.target );
}
if ( req.notify ) {
NPURLNotify( req.url, NPRES_DONE, req.notify );
}
}
} else {
if (!url.isEmpty())
{
kdDebug(1431) << "Starting new stream " << req.url << endl;
if (req.post) {
// create stream
NSPluginStream *s = new NSPluginStream( this );
connect( s, TQT_SIGNAL(finished(NSPluginStreamBase*)),
TQT_SLOT(streamFinished(NSPluginStreamBase*)) );
_streams.append( s );
kdDebug() << "posting to " << url << endl;
emitStatus( i18n("Submitting data to %1").arg(url) );
s->post( url, req.data, req.mime, req.notify, req.args );
} else if (url.lower().startsWith("javascript:")){
if (_callback) {
static TQ_INT32 _jsrequestid = 0;
_jsrequests.insert(_jsrequestid, new Request(req));
_callback->evalJavaScript(_jsrequestid++, url.mid(11));
} else {
kdDebug() << "No callback for javascript: url!" << endl;
}
} else {
// create stream
NSPluginStream *s = new NSPluginStream( this );
connect( s, TQT_SIGNAL(finished(NSPluginStreamBase*)),
TQT_SLOT(streamFinished(NSPluginStreamBase*)) );
_streams.append( s );
kdDebug() << "getting " << url << endl;
emitStatus( i18n("Requesting %1").arg(url) );
s->get( url, req.mime, req.notify, req.reload );
}
//break;
}
}
}
}
TQString NSPluginInstance::normalizedURL(const TQString& url) const {
KURL bu( _baseURL );
KURL inURL(bu, url);
KConfig cfg("kcmnspluginrc", true);
cfg.setGroup("Misc");
if (!cfg.readBoolEntry("HTTP URLs Only", false) ||
inURL.protocol() == "http" ||
inURL.protocol() == "https" ||
inURL.protocol() == "javascript") {
return inURL.url();
}
// Allow: javascript:, http, https, or no protocol (match loading)
kdDebug(1431) << "NSPluginInstance::normalizedURL - I don't think so. http or https only!" << endl;
return TQString::null;
}
void NSPluginInstance::requestURL( const TQString &url, const TQString &mime,
const TQString &target, void *notify, bool forceNotify, bool reload )
{
// Generally this should already be done, but let's be safe for now.
TQString nurl = normalizedURL(url);
if (nurl.isNull()) {
return;
}
kdDebug(1431) << "NSPluginInstance::requestURL url=" << nurl << " target=" << target << " notify=" << notify << endl;
_waitingRequests.enqueue( new Request( nurl, mime, target, notify, forceNotify, reload ) );
_timer->start( 100, true );
}
void NSPluginInstance::postURL( const TQString &url, const TQByteArray& data,
const TQString &mime,
const TQString &target, void *notify,
const KParts::URLArgs& args, bool forceNotify )
{
// Generally this should already be done, but let's be safe for now.
TQString nurl = normalizedURL(url);
if (nurl.isNull()) {
return;
}
kdDebug(1431) << "NSPluginInstance::postURL url=" << nurl << " target=" << target << " notify=" << notify << endl;
_waitingRequests.enqueue( new Request( nurl, data, mime, target, notify, args, forceNotify) );
_timer->start( 100, true );
}
void NSPluginInstance::emitStatus(const TQString &message)
{
if( _callback )
_callback->statusMessage( message );
}
void NSPluginInstance::streamFinished( NSPluginStreamBase* strm )
{
kdDebug(1431) << "-> NSPluginInstance::streamFinished" << endl;
emitStatus( TQString::null );
_streams.setAutoDelete(false); // Don't delete it yet!! we get called from
// its slot!
_streams.remove(strm);
_streams.setAutoDelete(true);
strm->deleteLater();
_timer->start( 100, true );
}
int NSPluginInstance::setWindow(TQ_INT8 remove)
{
if (remove)
{
NPSetWindow(0);
return NPERR_NO_ERROR;
}
kdDebug(1431) << "-> NSPluginInstance::setWindow" << endl;
_win.x = 0;
_win.y = 0;
_win.height = _height;
_win.width = _width;
_win.type = NPWindowTypeWindow;
// Well, the docu says sometimes, this is only used on the
// MAC, but sometimes it says it's always. Who knows...
_win.clipRect.top = 0;
_win.clipRect.left = 0;
_win.clipRect.bottom = _height;
_win.clipRect.right = _width;
if( _xembed_window ) {
_win.window = (void*) _xembed_window;
_win_info.type = NP_SETWINDOW;
_win_info.display = tqt_xdisplay();
_win_info.visual = DefaultVisualOfScreen(DefaultScreenOfDisplay(tqt_xdisplay()));
_win_info.colormap = DefaultColormapOfScreen(DefaultScreenOfDisplay(tqt_xdisplay()));
_win_info.depth = DefaultDepthOfScreen(DefaultScreenOfDisplay(tqt_xdisplay()));
} else {
_win.window = (void*) XtWindow(_form);
_win_info.type = NP_SETWINDOW;
_win_info.display = XtDisplay(_form);
_win_info.visual = DefaultVisualOfScreen(XtScreen(_form));
_win_info.colormap = DefaultColormapOfScreen(XtScreen(_form));
_win_info.depth = DefaultDepthOfScreen(XtScreen(_form));
}
kdDebug(1431) << "Window ID = " << _win.window << endl;
_win.ws_info = &_win_info;
NPError error = NPSetWindow( &_win );
kdDebug(1431) << "<- NSPluginInstance::setWindow = " << error << endl;
return error;
}
static void resizeWidgets(Window w, int width, int height) {
Window rroot, parent, *children;
unsigned int nchildren = 0;
if (XQueryTree(tqt_xdisplay(), w, &rroot, &parent, &children, &nchildren)) {
for (unsigned int i = 0; i < nchildren; i++) {
XResizeWindow(tqt_xdisplay(), children[i], width, height);
}
XFree(children);
}
}
void NSPluginInstance::resizePlugin(TQ_INT32 w, TQ_INT32 h)
{
if (w == _width && h == _height)
return;
kdDebug(1431) << "-> NSPluginInstance::resizePlugin( w=" << w << ", h=" << h << " ) " << endl;
_width = w;
_height = h;
if( _form != 0 ) {
XResizeWindow(tqt_xdisplay(), XtWindow(_form), w, h);
XResizeWindow(tqt_xdisplay(), XtWindow(_toplevel), w, h);
Arg args[7];
Cardinal nargs = 0;
XtSetArg(args[nargs], XtNwidth, _width); nargs++;
XtSetArg(args[nargs], XtNheight, _height); nargs++;
XtSetArg(args[nargs], XtNvisual, TQPaintDevice::x11AppVisual()); nargs++;
XtSetArg(args[nargs], XtNdepth, TQPaintDevice::x11AppDepth()); nargs++;
XtSetArg(args[nargs], XtNcolormap, TQPaintDevice::x11AppColormap()); nargs++;
XtSetArg(args[nargs], XtNborderWidth, 0); nargs++;
XtSetValues(_toplevel, args, nargs);
XtSetValues(_form, args, nargs);
resizeWidgets(XtWindow(_form), _width, _height);
}
// If not visible yet, displayWindow() will call setWindow() again anyway, so avoid this.
// This also handled plugins that are broken and cannot handle repeated setWindow() calls
// very well.
if (!_visible)
return;
setWindow();
kdDebug(1431) << "<- NSPluginInstance::resizePlugin" << endl;
}
void NSPluginInstance::javascriptResult(TQ_INT32 id, TQString result) {
TQMap<int, Request*>::iterator i = _jsrequests.find( id );
if (i != _jsrequests.end()) {
Request *req = i.data();
_jsrequests.remove( i );
NSPluginStream *s = new NSPluginStream( this );
connect( s, TQT_SIGNAL(finished(NSPluginStreamBase*)),
TQT_SLOT(streamFinished(NSPluginStreamBase*)) );
_streams.append( s );
int len = result.length();
s->create( req->url, TQString("text/plain"), req->notify, req->forceNotify );
kdDebug(1431) << "javascriptResult has been called with: "<<result<<endl;
if (len > 0) {
TQByteArray data(len + 1);
memcpy(data.data(), result.latin1(), len);
data[len] = 0;
s->process(data, 0);
} else {
len = 7; // "unknown"
TQByteArray data(len + 1);
memcpy(data.data(), "unknown", len);
data[len] = 0;
s->process(data, 0);
}
s->finish(false);
delete req;
}
}
NPError NSPluginInstance::NPGetValue(NPPVariable variable, void *value)
{
if( value==0 ) {
kdDebug() << "FIXME: value==0 in NSPluginInstance::NPGetValue" << endl;
return NPERR_GENERIC_ERROR;
}
if (!_pluginFuncs.getvalue)
return NPERR_GENERIC_ERROR;
NPError error = _pluginFuncs.getvalue(_npp, variable, value);
CHECK(GetValue,error);
}
NPError NSPluginInstance::NPSetValue(NPNVariable variable, void *value)
{
if( value==0 ) {
kdDebug() << "FIXME: value==0 in NSPluginInstance::NPSetValue" << endl;
return NPERR_GENERIC_ERROR;
}
if (!_pluginFuncs.setvalue)
return NPERR_GENERIC_ERROR;
NPError error = _pluginFuncs.setvalue(_npp, variable, value);
CHECK(SetValue,error);
}
NPError NSPluginInstance::NPSetWindow(NPWindow *window)
{
if( window==0 ) {
kdDebug() << "FIXME: window==0 in NSPluginInstance::NPSetWindow" << endl;
return NPERR_GENERIC_ERROR;
}
if (!_pluginFuncs.setwindow)
return NPERR_GENERIC_ERROR;
NPError error = _pluginFuncs.setwindow(_npp, window);
CHECK(SetWindow,error);
}
NPError NSPluginInstance::NPDestroyStream(NPStream *stream, NPReason reason)
{
if( stream==0 ) {
kdDebug() << "FIXME: stream==0 in NSPluginInstance::NPDestroyStream" << endl;
return NPERR_GENERIC_ERROR;
}
if (!_pluginFuncs.destroystream)
return NPERR_GENERIC_ERROR;
NPError error = _pluginFuncs.destroystream(_npp, stream, reason);
CHECK(DestroyStream,error);
}
NPError NSPluginInstance::NPNewStream(NPMIMEType type, NPStream *stream, NPBool seekable, uint16 *stype)
{
if( stream==0 ) {
kdDebug() << "FIXME: stream==0 in NSPluginInstance::NPNewStream" << endl;
return NPERR_GENERIC_ERROR;
}
if( stype==0 ) {
kdDebug() << "FIXME: stype==0 in NSPluginInstance::NPNewStream" << endl;
return NPERR_GENERIC_ERROR;
}
if (!_pluginFuncs.newstream)
return NPERR_GENERIC_ERROR;
NPError error = _pluginFuncs.newstream(_npp, type, stream, seekable, stype);
CHECK(NewStream,error);
}
void NSPluginInstance::NPStreamAsFile(NPStream *stream, const char *fname)
{
if( stream==0 ) {
kdDebug() << "FIXME: stream==0 in NSPluginInstance::NPStreamAsFile" << endl;
return;
}
if( fname==0 ) {
kdDebug() << "FIXME: fname==0 in NSPluginInstance::NPStreamAsFile" << endl;
return;
}
if (!_pluginFuncs.asfile)
return;
_pluginFuncs.asfile(_npp, stream, fname);
}
int32 NSPluginInstance::NPWrite(NPStream *stream, int32 offset, int32 len, void *buf)
{
if( stream==0 ) {
kdDebug() << "FIXME: stream==0 in NSPluginInstance::NPWrite" << endl;
return 0;
}
if( buf==0 ) {
kdDebug() << "FIXME: buf==0 in NSPluginInstance::NPWrite" << endl;
return 0;
}
if (!_pluginFuncs.write)
return 0;
return _pluginFuncs.write(_npp, stream, offset, len, buf);
}
int32 NSPluginInstance::NPWriteReady(NPStream *stream)
{
if( stream==0 ) {
kdDebug() << "FIXME: stream==0 in NSPluginInstance::NPWriteReady" << endl;
return 0;
}
if (!_pluginFuncs.writeready)
return 0;
return _pluginFuncs.writeready(_npp, stream);
}
void NSPluginInstance::NPURLNotify(TQString url, NPReason reason, void *notifyData)
{
if (!_pluginFuncs.urlnotify)
return;
_pluginFuncs.urlnotify(_npp, url.ascii(), reason, notifyData);
}
void NSPluginInstance::addTempFile(KTempFile *tmpFile)
{
_tempFiles.append(tmpFile);
}
/*
* We have to call this after we reparent the widget otherwise some plugins
* like the ones based on WINE get very confused. (their coordinates are not
* adjusted for the mouse at best)
*/
void NSPluginInstance::displayPlugin()
{
// display plugin
setWindow();
_visible = true;
kdDebug(1431) << "<- NSPluginInstance::displayPlugin = " << (void*)this << endl;
}
static bool has_focus = false;
void NSPluginInstance::gotFocusIn()
{
has_focus = true;
}
void NSPluginInstance::gotFocusOut()
{
has_focus = false;
}
#include <dlfcn.h>
// Prevent plugins from polling the keyboard regardless of focus.
static int (*real_xquerykeymap)( Display*, char[32] ) = NULL;
extern "C" KDE_EXPORT
int XQueryKeymap( Display* dpy, char k[32] )
{
if( real_xquerykeymap == NULL )
real_xquerykeymap = (int (*)( Display*, char[32] )) dlsym( RTLD_NEXT, "XQueryKeymap" );
if( has_focus )
return real_xquerykeymap( dpy, k );
memset( k, 0, 32 );
return 1;
}
/***************************************************************************/
NSPluginViewer::NSPluginViewer( TQCString dcopId,
TQObject *parent, const char *name )
: DCOPObject(dcopId), TQObject( parent, name )
{
_classes.setAutoDelete( true );
connect(TDEApplication::dcopClient(),
TQT_SIGNAL(applicationRemoved(const TQCString&)),
this,
TQT_SLOT(appUnregistered(const TQCString&)));
}
NSPluginViewer::~NSPluginViewer()
{
kdDebug(1431) << "NSPluginViewer::~NSPluginViewer" << endl;
}
void NSPluginViewer::appUnregistered(const TQCString& id) {
if (id.isEmpty()) {
return;
}
TQDictIterator<NSPluginClass> it(_classes);
NSPluginClass *c;
while ( (c = it.current()) ) {
TQString key = it.currentKey();
++it;
if (c->app() == id) {
_classes.remove(key);
}
}
if (_classes.isEmpty()) {
shutdown();
}
}
void NSPluginViewer::shutdown()
{
kdDebug(1431) << "NSPluginViewer::shutdown" << endl;
_classes.clear();
#if TQT_VERSION < 0x030100
quitXt();
#else
tqApp->quit();
#endif
}
DCOPRef NSPluginViewer::newClass( TQString plugin )
{
kdDebug(1431) << "NSPluginViewer::NewClass( " << plugin << ")" << endl;
// search existing class
NSPluginClass *cls = _classes[ plugin ];
if ( !cls ) {
// create new class
cls = new NSPluginClass( plugin, this );
TQCString id = "";
DCOPClient *dc = callingDcopClient();
if (dc) {
id = dc->senderId();
}
cls->setApp(id);
if ( cls->error() ) {
kdError(1431) << "Can't create plugin class" << endl;
delete cls;
return DCOPRef();
}
_classes.insert( plugin, cls );
}
return DCOPRef( kapp->dcopClient()->appId(), cls->objId() );
}
/****************************************************************************/
bool NSPluginClass::s_initedGTK = false;
typedef void gtkInitFunc(int *argc, char ***argv);
NSPluginClass::NSPluginClass( const TQString &library,
TQObject *parent, const char *name )
: DCOPObject(), TQObject( parent, name )
{
// initialize members
_handle = KLibLoader::self()->library(TQFile::encodeName(library));
_libname = library;
_constructed = false;
_error = true;
_instances.setAutoDelete( true );
_NP_GetMIMEDescription = 0;
_NP_Initialize = 0;
_NP_Shutdown = 0;
_timer = new TQTimer( this );
connect( _timer, TQT_SIGNAL(timeout()), TQT_SLOT(timer()) );
// check lib handle
if (!_handle) {
kdDebug(1431) << "Could not dlopen " << library << endl;
return;
}
// get exported lib functions
_NP_GetMIMEDescription = (NP_GetMIMEDescriptionUPP *)_handle->symbol("NP_GetMIMEDescription");
_NP_Initialize = (NP_InitializeUPP *)_handle->symbol("NP_Initialize");
_NP_Shutdown = (NP_ShutdownUPP *)_handle->symbol("NP_Shutdown");
// check for valid returned ptrs
if (!_NP_GetMIMEDescription) {
kdDebug(1431) << "Could not get symbol NP_GetMIMEDescription" << endl;
return;
}
if (!_NP_Initialize) {
kdDebug(1431) << "Could not get symbol NP_Initialize" << endl;
return;
}
if (!_NP_Shutdown) {
kdDebug(1431) << "Could not get symbol NP_Shutdown" << endl;
return;
}
// initialize plugin
kdDebug(1431) << "Plugin library " << library << " loaded!" << endl;
// see if it uses gtk
if (!s_initedGTK) {
gtkInitFunc* gtkInit = (gtkInitFunc*)_handle->symbol("gtk_init");
if (gtkInit) {
kdDebug(1431) << "Calling gtk_init for the plugin" << endl;
// Prevent gtk_init() from replacing the X error handlers, since the Gtk
// handlers abort when they receive an X error, thus killing the viewer.
int (*old_error_handler)(Display*,XErrorEvent*) = XSetErrorHandler(0);
int (*old_io_error_handler)(Display*) = XSetIOErrorHandler(0);
gtkInit(0, 0);
XSetErrorHandler(old_error_handler);
XSetIOErrorHandler(old_io_error_handler);
s_initedGTK = true;
}
}
_constructed = true;
_error = initialize()!=NPERR_NO_ERROR;
}
NSPluginClass::~NSPluginClass()
{
_instances.clear();
_trash.clear();
shutdown();
if (_handle)
_handle->unload();
}
void NSPluginClass::timer()
{
// delete instances
for ( NSPluginInstance *it=_trash.first(); it!=0; it=_trash.next() )
_instances.remove(it);
_trash.clear();
}
int NSPluginClass::initialize()
{
kdDebug(1431) << "NSPluginClass::Initialize()" << endl;
if ( !_constructed )
return NPERR_GENERIC_ERROR;
// initialize nescape exported functions
memset(&_pluginFuncs, 0, sizeof(_pluginFuncs));
memset(&_nsFuncs, 0, sizeof(_nsFuncs));
_pluginFuncs.size = sizeof(_pluginFuncs);
_nsFuncs.size = sizeof(_nsFuncs);
_nsFuncs.version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR;
_nsFuncs.geturl = g_NPN_GetURL;
_nsFuncs.posturl = g_NPN_PostURL;
_nsFuncs.requestread = g_NPN_RequestRead;
_nsFuncs.newstream = g_NPN_NewStream;
_nsFuncs.write = g_NPN_Write;
_nsFuncs.destroystream = g_NPN_DestroyStream;
_nsFuncs.status = g_NPN_Status;
_nsFuncs.uagent = g_NPN_UserAgent;
_nsFuncs.memalloc = g_NPN_MemAlloc;
_nsFuncs.memfree = g_NPN_MemFree;
_nsFuncs.memflush = g_NPN_MemFlush;
_nsFuncs.reloadplugins = g_NPN_ReloadPlugins;
_nsFuncs.getJavaEnv = g_NPN_GetJavaEnv;
_nsFuncs.getJavaPeer = g_NPN_GetJavaPeer;
_nsFuncs.geturlnotify = g_NPN_GetURLNotify;
_nsFuncs.posturlnotify = g_NPN_PostURLNotify;
_nsFuncs.getvalue = g_NPN_GetValue;
_nsFuncs.setvalue = g_NPN_SetValue;
_nsFuncs.invalidaterect = g_NPN_InvalidateRect;
_nsFuncs.invalidateregion = g_NPN_InvalidateRegion;
_nsFuncs.forceredraw = g_NPN_ForceRedraw;
// initialize plugin
NPError error = _NP_Initialize(&_nsFuncs, &_pluginFuncs);
CHECK(Initialize,error);
}
TQString NSPluginClass::getMIMEDescription()
{
return _NP_GetMIMEDescription();
}
void NSPluginClass::shutdown()
{
kdDebug(1431) << "NSPluginClass::shutdown error=" << _error << endl;
if( _NP_Shutdown && !_error )
_NP_Shutdown();
}
DCOPRef NSPluginClass::newInstance( TQString url, TQString mimeType, TQ_INT8 embed,
TQStringList argn, TQStringList argv,
TQString appId, TQString callbackId,
TQ_INT8 reload, TQ_INT8 doPost, TQByteArray postData, TQ_UINT32 xembed )
{
kdDebug(1431) << "-> NSPluginClass::NewInstance" << endl;
if ( !_constructed )
return DCOPRef();
// copy parameters over
unsigned int argc = argn.count();
char **_argn = new char*[argc];
char **_argv = new char*[argc];
TQString src = url;
int width = 0;
int height = 0;
TQString baseURL = url;
for (unsigned int i=0; i<argc; i++)
{
TQCString encN = argn[i].utf8();
TQCString encV = argv[i].utf8();
const char *n = encN;
const char *v = encV;
_argn[i] = strdup(n);
_argv[i] = strdup(v);
if (!strcasecmp(_argn[i], "WIDTH")) width = argv[i].toInt();
if (!strcasecmp(_argn[i], "HEIGHT")) height = argv[i].toInt();
if (!strcasecmp(_argn[i], "__KHTML__PLUGINBASEURL")) baseURL = _argv[i];
kdDebug(1431) << "argn=" << _argn[i] << " argv=" << _argv[i] << endl;
}
// create plugin instance
char mime[256];
strncpy(mime, mimeType.ascii(), 255);
mime[255] = 0;
NPP npp = (NPP)malloc(sizeof(NPP_t)); // I think we should be using
// malloc here, just to be safe,
// since the nsplugin plays with
// this thing
memset(npp, 0, sizeof(NPP_t));
npp->ndata = NULL;
// create plugin instance
NPError error = _pluginFuncs.newp(mime, npp, embed ? NP_EMBED : NP_FULL,
argc, _argn, _argv, 0);
kdDebug(1431) << "NPP_New = " << (int)error << endl;
// don't use bool here, it can be 1 byte, but some plugins write it as int, and I can't find what the spec says
int wants_xembed = false;
if (_pluginFuncs.getvalue) {
NPError error = _pluginFuncs.getvalue(npp, (NPPVariable)14/*NPPVpluginNeedsXEmbed*/, &wants_xembed );
if( error != NPERR_NO_ERROR )
wants_xembed = false;
}
kdDebug(1431) << "Plugin requires XEmbed:" << (bool)wants_xembed << endl;
// Create plugin instance object
NSPluginInstance *inst = new NSPluginInstance( npp, &_pluginFuncs, _handle,
width, height, baseURL, mimeType,
appId, callbackId, embed, wants_xembed ? xembed : 0, this );
// free arrays with arguments
delete [] _argn;
delete [] _argv;
// check for error
if ( error!=NPERR_NO_ERROR)
{
delete inst;
//delete npp; double delete!
kdDebug(1431) << "<- PluginClass::NewInstance = 0" << endl;
return DCOPRef();
}
// create source stream
if ( !src.isEmpty() ) {
if (doPost) {
inst->postURL(src, postData, mimeType, TQString::null, 0, KParts::URLArgs(), false);
} else {
inst->requestURL( src, mimeType, TQString::null, 0, false, reload );
}
}
_instances.append( inst );
return DCOPRef(kapp->dcopClient()->appId(), inst->objId());
}
void NSPluginClass::destroyInstance( NSPluginInstance* inst )
{
// mark for destruction
_trash.append( inst );
timer(); //_timer->start( 0, TRUE );
}
/****************************************************************************/
NSPluginStreamBase::NSPluginStreamBase( NSPluginInstance *instance )
: TQObject( instance ), _instance(instance), _stream(0), _tempFile(0L),
_pos(0), _queue(0), _queuePos(0), _error(false)
{
_informed = false;
}
NSPluginStreamBase::~NSPluginStreamBase()
{
if (_stream) {
_instance->NPDestroyStream( _stream, NPRES_USER_BREAK );
if (_stream && _stream->url)
free(const_cast<char*>(_stream->url));
delete _stream;
_stream = 0;
}
delete _tempFile;
_tempFile = 0;
}
void NSPluginStreamBase::stop()
{
finish( true );
}
void NSPluginStreamBase::inform()
{
if (! _informed)
{
KURL src(_url);
_informed = true;
// inform the plugin
_instance->NPNewStream( _mimeType.isEmpty() ? (char *) "text/plain" : (char*)_mimeType.ascii(),
_stream, false, &_streamType );
kdDebug(1431) << "NewStream stype=" << _streamType << " url=" << _url << " mime=" << _mimeType << endl;
// prepare data transfer
_tempFile = 0L;
if ( _streamType==NP_ASFILE || _streamType==NP_ASFILEONLY ) {
_onlyAsFile = _streamType==NP_ASFILEONLY;
if ( KURL(_url).isLocalFile() ) {
kdDebug(1431) << "local file" << endl;
// local file can be passed directly
_fileURL = KURL(_url).path();
// without streaming stream is finished already
if ( _onlyAsFile ) {
kdDebug() << "local file AS_FILE_ONLY" << endl;
finish( false );
}
} else {
kdDebug() << "remote file" << endl;
// stream into temporary file (use lower() in case the
// filename as an upper case X in it)
_tempFile = new KTempFile;
_tempFile->setAutoDelete( TRUE );
_fileURL = _tempFile->name();
kdDebug() << "saving into " << _fileURL << endl;
}
}
}
}
bool NSPluginStreamBase::create( const TQString& url, const TQString& mimeType, void *notify, bool forceNotify)
{
if ( _stream )
return false;
_url = url;
_notifyData = notify;
_pos = 0;
_tries = 0;
_onlyAsFile = false;
_streamType = NP_NORMAL;
_informed = false;
_forceNotify = forceNotify;
// create new stream
_stream = new NPStream;
_stream->ndata = this;
_stream->url = strdup(url.ascii());
_stream->end = 0;
_stream->pdata = 0;
_stream->lastmodified = 0;
_stream->notifyData = _notifyData;
_stream->headers = 0;
_mimeType = mimeType;
return true;
}
void NSPluginStreamBase::updateURL( const KURL& newURL )
{
_url = newURL;
free(const_cast<char*>(_stream->url));
_stream->url = strdup(_url.url().ascii());
}
int NSPluginStreamBase::process( const TQByteArray &data, int start )
{
int32 max, sent, to_sent, len;
char *d = const_cast<TQByteArray&>(data).data() + start;
to_sent = data.size() - start;
while (to_sent > 0)
{
inform();
max = _instance->NPWriteReady(_stream);
//kdDebug(1431) << "to_sent == " << to_sent << " and max = " << max << endl;
len = QMIN(max, to_sent);
//kdDebug(1431) << "-> Feeding stream to plugin: offset=" << _pos << ", len=" << len << endl;
sent = _instance->NPWrite( _stream, _pos, len, d );
//kdDebug(1431) << "<- Feeding stream: sent = " << sent << endl;
if (sent == 0) // interrupt the stream for a few ms
break;
if (sent < 0) {
// stream data rejected/error
kdDebug(1431) << "stream data rejected/error" << endl;
_error = true;
break;
}
if (_tempFile) {
_tempFile->dataStream()->writeRawBytes(d, sent);
}
to_sent -= sent;
_pos += sent;
d += sent;
}
return data.size() - to_sent;
}
bool NSPluginStreamBase::pump()
{
//kdDebug(1431) << "queue pos " << _queuePos << ", size " << _queue.size() << endl;
inform();
if ( _queuePos<_queue.size() ) {
unsigned newPos;
// handle AS_FILE_ONLY streams
if ( _onlyAsFile ) {
if (_tempFile) {
_tempFile->dataStream()->writeRawBytes( _queue, _queue.size() );
}
newPos = _queuePos+_queue.size();
} else {
// normal streams
newPos = process( _queue, _queuePos );
}
// count tries
if ( newPos==_queuePos )
_tries++;
else
_tries = 0;
_queuePos = newPos;
}
// return true if queue finished
return _queuePos>=_queue.size();
}
void NSPluginStreamBase::queue( const TQByteArray &data )
{
_queue = data;
_queue.detach();
_queuePos = 0;
_tries = 0;
/*
kdDebug(1431) << "new queue size=" << data.size()
<< " data=" << (void*)data.data()
<< " queue=" << (void*)_queue.data() << " qsize="
<< _queue.size() << endl;
*/
}
void NSPluginStreamBase::finish( bool err )
{
kdDebug(1431) << "finish error=" << err << endl;
_queue.resize( 0 );
_pos = 0;
_queuePos = 0;
inform();
if ( !err ) {
if ( _tempFile ) {
_tempFile->close();
_instance->addTempFile( _tempFile );
_tempFile = 0;
}
if ( !_fileURL.isEmpty() ) {
kdDebug() << "stream as file " << _fileURL << endl;
_instance->NPStreamAsFile( _stream, _fileURL.ascii() );
}
_instance->NPDestroyStream( _stream, NPRES_DONE );
if (_notifyData || _forceNotify)
_instance->NPURLNotify( _url.url(), NPRES_DONE, _notifyData );
} else {
// close temp file
if ( _tempFile ) {
_tempFile->close();
}
// destroy stream
_instance->NPDestroyStream( _stream, NPRES_NETWORK_ERR );
if (_notifyData || _forceNotify)
_instance->NPURLNotify( _url.url(), NPRES_NETWORK_ERR, _notifyData );
}
// delete stream
if (_stream && _stream->url)
free(const_cast<char *>(_stream->url));
delete _stream;
_stream = 0;
// destroy NSPluginStream object
emit finished( this );
}
/****************************************************************************/
NSPluginBufStream::NSPluginBufStream( class NSPluginInstance *instance )
: NSPluginStreamBase( instance )
{
_timer = new TQTimer( this );
connect( _timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(timer()) );
}
NSPluginBufStream::~NSPluginBufStream()
{
}
bool NSPluginBufStream::get( const TQString& url, const TQString& mimeType,
const TQByteArray &buf, void *notifyData,
bool singleShot )
{
_singleShot = singleShot;
if ( create( url, mimeType, notifyData ) ) {
queue( buf );
_timer->start( 100, true );
}
return false;
}
void NSPluginBufStream::timer()
{
bool finished = pump();
if ( _singleShot )
finish( false );
else {
if ( !finished && tries()<=8 )
_timer->start( 100, true );
else
finish( error() || tries()>8 );
}
}
/****************************************************************************/
NSPluginStream::NSPluginStream( NSPluginInstance *instance )
: NSPluginStreamBase( instance ), _job(0)
{
_resumeTimer = new TQTimer( this );
connect(_resumeTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(resume()));
}
NSPluginStream::~NSPluginStream()
{
if ( _job )
_job->kill( true );
}
bool NSPluginStream::get( const TQString& url, const TQString& mimeType,
void *notify, bool reload )
{
// create new stream
if ( create( url, mimeType, notify ) ) {
// start the kio job
_job = KIO::get(KURL( url ), false, false);
_job->addMetaData("errorPage", "false");
_job->addMetaData("AllowCompressedPage", "false");
_job->addMetaData("PropagateHttpHeader", "true");
if (reload) {
_job->addMetaData("cache", "reload");
}
connect(_job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)),
TQT_SLOT(data(KIO::Job *, const TQByteArray &)));
connect(_job, TQT_SIGNAL(result(KIO::Job *)), TQT_SLOT(result(KIO::Job *)));
connect(_job, TQT_SIGNAL(totalSize(KIO::Job *, KIO::filesize_t )),
TQT_SLOT(totalSize(KIO::Job *, KIO::filesize_t)));
connect(_job, TQT_SIGNAL(mimetype(KIO::Job *, const TQString &)),
TQT_SLOT(mimetype(KIO::Job *, const TQString &)));
connect(_job, TQT_SIGNAL(redirection(KIO::Job *, const KURL&)),
TQT_SLOT(redirection(KIO::Job *, const KURL&)));
}
return false;
}
bool NSPluginStream::post( const TQString& url, const TQByteArray& data,
const TQString& mimeType, void *notify, const KParts::URLArgs& args )
{
// create new stream
if ( create( url, mimeType, notify ) ) {
// start the kio job
_job = KIO::http_post(KURL( url ), data, false);
_job->addMetaData("content-type", args.contentType());
_job->addMetaData("errorPage", "false");
_job->addMetaData("PropagateHttpHeader", "true");
_job->addMetaData("AllowCompressedPage", "false");
connect(_job, TQT_SIGNAL(data(KIO::Job *, const TQByteArray &)),
TQT_SLOT(data(KIO::Job *, const TQByteArray &)));
connect(_job, TQT_SIGNAL(result(KIO::Job *)), TQT_SLOT(result(KIO::Job *)));
connect(_job, TQT_SIGNAL(totalSize(KIO::Job *, KIO::filesize_t )),
TQT_SLOT(totalSize(KIO::Job *, KIO::filesize_t)));
connect(_job, TQT_SIGNAL(mimetype(KIO::Job *, const TQString &)),
TQT_SLOT(mimetype(KIO::Job *, const TQString &)));
connect(_job, TQT_SIGNAL(redirection(KIO::Job *, const KURL&)),
TQT_SLOT(redirection(KIO::Job *, const KURL&)));
}
return false;
}
void NSPluginStream::data(KIO::Job * job, const TQByteArray &data)
{
//kdDebug(1431) << "NSPluginStream::data - job=" << (void*)job << " data size=" << data.size() << endl;
queue( data );
if ( !pump() ) {
_job->suspend();
_resumeTimer->start( 100, TRUE );
}
}
void NSPluginStream::redirection(KIO::Job * /*job*/, const KURL& url)
{
updateURL( url );
}
void NSPluginStream::totalSize(KIO::Job * job, KIO::filesize_t size)
{
kdDebug(1431) << "NSPluginStream::totalSize - job=" << (void*)job << " size=" << KIO::number(size) << endl;
_stream->end = size;
}
void NSPluginStream::mimetype(KIO::Job * job, const TQString &mimeType)
{
kdDebug(1431) << "NSPluginStream::mimetype - job=" << (void*)job << " mimeType=" << mimeType << endl;
_mimeType = mimeType;
TQString tmp_headers = job->metaData()["HTTP-Headers"];
_headers.duplicate(tmp_headers.latin1(), tmp_headers.length());
_stream->headers = _headers.data();
}
void NSPluginStream::resume()
{
if ( error() || tries()>8 ) {
_job->kill( true );
finish( true );
return;
}
if ( pump() ) {
kdDebug(1431) << "resume job" << endl;
_job->resume();
} else {
kdDebug(1431) << "restart timer" << endl;
_resumeTimer->start( 100, TRUE );
}
}
void NSPluginStream::result(KIO::Job *job)
{
int err = job->error();
_job = 0;
finish( err!=0 || error() );
}
#include "nsplugin.moc"
// vim: ts=4 sw=4 et
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