1 /*****************************************************************************
2 * vlcplugin.cpp: a VLC plugin for Mozilla
3 *****************************************************************************
4 * Copyright (C) 2002-2005 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.org>
8 * Damien Fouilleul <damienf.fouilleul@laposte.net>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
30 #ifdef HAVE_MOZILLA_CONFIG_H
31 # include <mozilla-config.h>
34 #include "vlcplugin.h"
35 #include "control/npovlc.h"
36 #include "control/npolibvlc.h"
38 /*****************************************************************************
39 * VlcPlugin constructor and destructor
40 *****************************************************************************/
41 VlcPlugin::VlcPlugin( NPP instance, uint16 mode ) :
46 libvlc_instance(NULL),
54 ,i_width((unsigned)-1)
55 ,i_height((unsigned)-1)
58 memset(&npwindow, 0, sizeof(NPWindow));
61 static int boolValue(const char *value) {
62 return ( !strcmp(value, "1") ||
63 !strcasecmp(value, "true") ||
64 !strcasecmp(value, "yes") );
67 NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
69 /* prepare VLC command line */
80 /* locate VLC module path */
82 ppsz_argv[ppsz_argc++] = "--plugin-path";
83 ppsz_argv[ppsz_argc++] = "/Library/Internet Plug-Ins/VLC Plugin.plugin/"
84 "Contents/MacOS/modules";
87 DWORD i_type, i_data = MAX_PATH + 1;
88 char p_data[MAX_PATH + 1];
89 if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, "Software\\VideoLAN\\VLC",
90 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
92 if( RegQueryValueEx( h_key, "InstallDir", 0, &i_type,
93 (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS )
95 if( i_type == REG_SZ )
97 strcat( p_data, "\\vlc" );
98 ppsz_argv[0] = p_data;
101 RegCloseKey( h_key );
103 ppsz_argv[ppsz_argc++] = "--no-one-instance";
105 ppsz_argv[ppsz_argc++] = "--fast-mutex";
106 ppsz_argv[ppsz_argc++] = "--win9x-cv-method=1";
109 #endif /* XP_MACOSX */
111 const char *version = NULL;
113 /* parse plugin arguments */
114 for( int i = 0; i < argc ; i++ )
116 fprintf(stderr, "argn=%s, argv=%s\n", argn[i], argv[i]);
118 if( !strcmp( argn[i], "target" )
119 || !strcmp( argn[i], "mrl")
120 || !strcmp( argn[i], "filename")
121 || !strcmp( argn[i], "src") )
123 psz_target = argv[i];
125 else if( !strcmp( argn[i], "autoplay")
126 || !strcmp( argn[i], "autostart") )
128 b_autoplay = boolValue(argv[i]);
130 else if( !strcmp( argn[i], "fullscreen" ) )
132 if( boolValue(argv[i]) )
134 ppsz_argv[ppsz_argc++] = "--fullscreen";
138 ppsz_argv[ppsz_argc++] = "--no-fullscreen";
141 else if( !strcmp( argn[i], "mute" ) )
143 if( boolValue(argv[i]) )
145 ppsz_argv[ppsz_argc++] = "--volume";
146 ppsz_argv[ppsz_argc++] = "0";
149 else if( !strcmp( argn[i], "loop")
150 || !strcmp( argn[i], "autoloop") )
152 if( boolValue(argv[i]) )
154 ppsz_argv[ppsz_argc++] = "--loop";
157 ppsz_argv[ppsz_argc++] = "--no-loop";
160 else if( !strcmp( argn[i], "version") )
166 libvlc_instance = libvlc_new(ppsz_argc, ppsz_argv, NULL);
167 if( ! libvlc_instance )
169 return NPERR_GENERIC_ERROR;
173 ** fetch plugin base URL, which is the URL of the page containing the plugin
174 ** this URL is used for making absolute URL from relative URL that may be
175 ** passed as an MRL argument
179 if( NPERR_NO_ERROR == NPN_GetValue(p_browser, NPNVWindowNPObject, &plugin) )
182 ** is there a better way to get that info ?
184 static const char docLocHref[] = "document.location.href";
188 script.utf8characters = docLocHref;
189 script.utf8length = sizeof(docLocHref)-1;
191 if( NPN_Evaluate(p_browser, plugin, &script, &result) )
193 if( NPVARIANT_IS_STRING(result) )
195 NPString &location = NPVARIANT_TO_STRING(result);
197 psz_baseURL = new char[location.utf8length+1];
200 strncpy(psz_baseURL, location.utf8characters, location.utf8length);
201 psz_baseURL[location.utf8length] = '\0';
204 NPN_ReleaseVariantValue(&result);
206 NPN_ReleaseObject(plugin);
211 // get absolute URL from src
212 psz_target = getAbsoluteURL(psz_target);
215 /* assign plugin script root class */
216 if( (NULL != version) && (!strcmp(version, "VideoLAN.VLCPlugin.2")) )
219 scriptClass = RuntimeNPClass<LibvlcRootNPObject>::getClass();
224 scriptClass = RuntimeNPClass<VlcNPObject>::getClass();
227 return NPERR_NO_ERROR;
232 /* This is really ugly but there is a deadlock when stopping a stream
233 * (in VLC_CleanUp()) because the video output is a child of the drawable but
234 * is in a different thread. */
235 static void HackStopVout( VlcPlugin* p_plugin )
241 int i_vlc = libvlc_get_vlc_id(p_plugin->libvlc_instance);
242 VLC_VariableGet( i_vlc, "drawable", &value );
244 hwnd = FindWindowEx( (HWND)value.i_int, 0, 0, 0 );
247 PostMessage( hwnd, WM_CLOSE, 0, 0 );
251 while( PeekMessage( &msg, (HWND)value.i_int, 0, 0, PM_REMOVE ) )
253 TranslateMessage(&msg);
254 DispatchMessage(&msg);
256 if( FindWindowEx( (HWND)value.i_int, 0, 0, 0 ) ) Sleep( 10 );
258 while( (hwnd = FindWindowEx( (HWND)value.i_int, 0, 0, 0 )) );
263 VlcPlugin::~VlcPlugin()
267 if( libvlc_instance )
268 libvlc_destroy(libvlc_instance, NULL );
271 /*****************************************************************************
273 *****************************************************************************/
275 char *VlcPlugin::getAbsoluteURL(const char *url)
279 // check whether URL is already absolute
280 const char *end=strchr(url, ':');
281 if( (NULL != end) && (end != url) )
283 // validate protocol header
284 const char *start = url;
285 while( start != end ) {
286 char c = *start | 0x20;
287 if( (c < 'a') || (c > 'z') )
288 // not valid protocol header, assume relative URL
292 /* we have a protocol header, therefore URL is absolute */
298 size_t baseLen = strlen(psz_baseURL);
299 char *href = new char[baseLen+strlen(url)];
302 /* prepend base URL */
303 strcpy(href, psz_baseURL);
306 ** relative url could be empty,
307 ** in which case return base URL
313 ** locate pathname part of base URL
316 /* skip over protocol part */
317 char *pathstart = strchr(href, ':');
319 if( '/' == *(++pathstart) )
321 if( '/' == *(++pathstart) )
326 /* skip over host part */
327 pathstart = strchr(pathstart, '/');
328 pathend = href+baseLen;
331 // no path, add a / past end of url (over '\0')
336 /* relative URL made of an absolute path ? */
339 /* replace path completely */
340 strcpy(pathstart, url);
344 /* find last path component and replace it */
345 while( '/' != *pathend) --pathend;
348 ** if relative url path starts with one or more '../',
349 ** factor them out of href so that we return a
352 while( pathend != pathstart )
365 while( '/' != *pathend ) --pathend;
367 /* concatenate remaining base URL and relative URL */
368 strcpy(pathend+1, url);
377 int VlcPlugin::setSize(unsigned width, unsigned height)
379 int diff = (width != i_width) || (height != i_height);