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>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
29 #ifdef HAVE_MOZILLA_CONFIG_H
30 # include <mozilla-config.h>
33 #include "vlcplugin.h"
34 #include "control/npovlc.h"
35 #include "control/npolibvlc.h"
37 /*****************************************************************************
38 * VlcPlugin constructor and destructor
39 *****************************************************************************/
40 VlcPlugin::VlcPlugin( NPP instance, uint16 mode ) :
45 libvlc_instance(NULL),
53 ,i_width((unsigned)-1)
54 ,i_height((unsigned)-1)
57 memset(&npwindow, 0, sizeof(NPWindow));
60 static int boolValue(const char *value) {
61 return ( !strcmp(value, "1") ||
62 !strcasecmp(value, "true") ||
63 !strcasecmp(value, "yes") );
66 NPError VlcPlugin::init(int argc, char* const argn[], char* const argv[])
68 /* prepare VLC command line */
78 /* locate VLC module path */
80 ppsz_argv[ppsz_argc++] = "--plugin-path";
81 ppsz_argv[ppsz_argc++] = "/Library/Internet Plug-Ins/VLC Plugin.plugin/"
82 "Contents/MacOS/modules";
85 DWORD i_type, i_data = MAX_PATH + 1;
86 char p_data[MAX_PATH + 1];
87 if( RegOpenKeyEx( HKEY_LOCAL_MACHINE, "Software\\VideoLAN\\VLC",
88 0, KEY_READ, &h_key ) == ERROR_SUCCESS )
90 if( RegQueryValueEx( h_key, "InstallDir", 0, &i_type,
91 (LPBYTE)p_data, &i_data ) == ERROR_SUCCESS )
93 if( i_type == REG_SZ )
95 strcat( p_data, "\\vlc" );
96 ppsz_argv[0] = p_data;
101 ppsz_argv[ppsz_argc++] = "--no-one-instance";
103 ppsz_argv[ppsz_argc++] = "--fast-mutex";
104 ppsz_argv[ppsz_argc++] = "--win9x-cv-method=1";
107 #endif /* XP_MACOSX */
109 const char *version = NULL;
111 /* parse plugin arguments */
112 for( int i = 0; i < argc ; i++ )
114 fprintf(stderr, "argn=%s, argv=%s\n", argn[i], argv[i]);
116 if( !strcmp( argn[i], "target" )
117 || !strcmp( argn[i], "mrl")
118 || !strcmp( argn[i], "filename")
119 || !strcmp( argn[i], "src") )
121 psz_target = argv[i];
123 else if( !strcmp( argn[i], "autoplay")
124 || !strcmp( argn[i], "autostart") )
126 b_autoplay = boolValue(argv[i]);
128 else if( !strcmp( argn[i], "fullscreen" ) )
130 if( boolValue(argv[i]) )
132 ppsz_argv[ppsz_argc++] = "--fullscreen";
136 ppsz_argv[ppsz_argc++] = "--no-fullscreen";
139 else if( !strcmp( argn[i], "mute" ) )
141 if( boolValue(argv[i]) )
143 ppsz_argv[ppsz_argc++] = "--volume";
144 ppsz_argv[ppsz_argc++] = "0";
147 else if( !strcmp( argn[i], "loop")
148 || !strcmp( argn[i], "autoloop") )
150 if( boolValue(argv[i]) )
152 ppsz_argv[ppsz_argc++] = "--loop";
155 ppsz_argv[ppsz_argc++] = "--no-loop";
158 else if( !strcmp( argn[i], "version") )
164 libvlc_instance = libvlc_new(ppsz_argc, ppsz_argv, NULL);
165 if( ! libvlc_instance )
167 return NPERR_GENERIC_ERROR;
171 ** fetch plugin base URL, which is the URL of the page containing the plugin
172 ** this URL is used for making absolute URL from relative URL that may be
173 ** passed as an MRL argument
177 if( NPERR_NO_ERROR == NPN_GetValue(p_browser, NPNVWindowNPObject, &plugin) )
180 ** is there a better way to get that info ?
182 static const char docLocHref[] = "document.location.href";
186 script.utf8characters = docLocHref;
187 script.utf8length = sizeof(docLocHref)-1;
189 if( NPN_Evaluate(p_browser, plugin, &script, &result) )
191 if( NPVARIANT_IS_STRING(result) )
193 NPString &location = NPVARIANT_TO_STRING(result);
195 psz_baseURL = new char[location.utf8length+1];
198 strncpy(psz_baseURL, location.utf8characters, location.utf8length);
199 psz_baseURL[location.utf8length] = '\0';
202 NPN_ReleaseVariantValue(&result);
204 NPN_ReleaseObject(plugin);
209 // get absolute URL from src
210 psz_target = getAbsoluteURL(psz_target);
213 /* assign plugin script root class */
214 if( (NULL != version) && (!strcmp(version, "VideoLAN.VLCPlugin.2")) )
217 scriptClass = RuntimeNPClass<LibvlcRootNPObject>::getClass();
222 scriptClass = RuntimeNPClass<VlcNPObject>::getClass();
225 return NPERR_NO_ERROR;
230 /* This is really ugly but there is a deadlock when stopping a stream
231 * (in VLC_CleanUp()) because the video output is a child of the drawable but
232 * is in a different thread. */
233 static void HackStopVout( VlcPlugin* p_plugin )
239 int i_vlc = libvlc_get_vlc_id(p_plugin->libvlc_instance);
240 VLC_VariableGet( i_vlc, "drawable", &value );
242 hwnd = FindWindowEx( (HWND)value.i_int, 0, 0, 0 );
245 PostMessage( hwnd, WM_CLOSE, 0, 0 );
249 while( PeekMessage( &msg, (HWND)value.i_int, 0, 0, PM_REMOVE ) )
251 TranslateMessage(&msg);
252 DispatchMessage(&msg);
254 if( FindWindowEx( (HWND)value.i_int, 0, 0, 0 ) ) Sleep( 10 );
256 while( (hwnd = FindWindowEx( (HWND)value.i_int, 0, 0, 0 )) );
261 VlcPlugin::~VlcPlugin()
265 if( libvlc_instance )
266 libvlc_destroy(libvlc_instance);
269 /*****************************************************************************
271 *****************************************************************************/
273 char *VlcPlugin::getAbsoluteURL(const char *url)
277 // check whether URL is already absolute
278 const char *end=strchr(url, ':');
279 if( (NULL != end) && (end != url) )
281 // validate protocol header
282 const char *start = url;
283 while( start != end ) {
284 char c = *start | 0x20;
285 if( (c < 'a') || (c > 'z') )
286 // not valid protocol header, assume relative URL
290 /* we have a protocol header, therefore URL is absolute */
296 size_t baseLen = strlen(psz_baseURL);
297 char *href = new char[baseLen+strlen(url)];
300 /* prepend base URL */
301 strcpy(href, psz_baseURL);
304 ** relative url could be empty,
305 ** in which case return base URL
311 ** locate pathname part of base URL
314 /* skip over protocol part */
315 char *pathstart = strchr(href, ':');
317 if( '/' == *(++pathstart) )
319 if( '/' == *(++pathstart) )
324 /* skip over host part */
325 pathstart = strchr(pathstart, '/');
326 pathend = href+baseLen;
329 // no path, add a / past end of url (over '\0')
334 /* relative URL made of an absolute path ? */
337 /* replace path completely */
338 strcpy(pathstart, url);
342 /* find last path component and replace it */
343 while( '/' != *pathend) --pathend;
346 ** if relative url path starts with one or more '../',
347 ** factor them out of href so that we return a
350 while( pathend != pathstart )
363 while( '/' != *pathend ) --pathend;
365 /* concatenate remaining base URL and relative URL */
366 strcpy(pathend+1, url);
375 int VlcPlugin::setSize(unsigned width, unsigned height)
377 int diff = (width != i_width) || (height != i_height);