| 1 | /* |
| 2 | The contents of this file are subject to the Mozilla Public |
| 3 | License Version 1.1 (the "License"); you may not use this file |
| 4 | except in compliance with the License. You may obtain a copy of |
| 5 | the License at http://www.mozilla.org/MPL/ |
| 6 | |
| 7 | Software distributed under the License is distributed on an "AS |
| 8 | IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| 9 | implied. See the License for the specific language governing |
| 10 | rights and limitations under the License. |
| 11 | |
| 12 | fehmozexRunProgram and fehmozexGetEnvironment are taken from MozEx (and modified). |
| 13 | MozEx is Copyright (C) 2003 Tomas Styblo <tripie@cpan.org> |
| 14 | the stuff to read link-handlers.js cargo culted from AdBlock plus |
| 15 | The rest is by Larry D'Anna and are Copyright (C) 2007 Larry D'Anna <larry@elder-gods.org> |
| 16 | |
| 17 | */ |
| 18 | |
| 19 | function fehError (msg) { |
| 20 | alert(msg); |
| 21 | } |
| 22 | |
| 23 | function fehmozexGetEnvironment(key) { |
| 24 | var res=""; |
| 25 | |
| 26 | try { |
| 27 | var pr = Components.classes["@mozilla.org/process/util;1"]. |
| 28 | createInstance(Components.interfaces.nsIProcess); |
| 29 | var env = Components.classes["@mozilla.org/process/environment;1"]; |
| 30 | |
| 31 | if (env != null) |
| 32 | { |
| 33 | env = env.createInstance(Components.interfaces.nsIEnvironment); |
| 34 | res = env.get(key); |
| 35 | } |
| 36 | else |
| 37 | { |
| 38 | // Hack for mozilla 1.4 |
| 39 | res = pr.getEnvironment(key); |
| 40 | } |
| 41 | } |
| 42 | catch (e) |
| 43 | { |
| 44 | // do nothing |
| 45 | } |
| 46 | return res; |
| 47 | } |
| 48 | |
| 49 | function fehmozexRunProgram(cmd, esc) { |
| 50 | if (cmd == null || cmd.length == 0) { |
| 51 | return false; // no command is set |
| 52 | } |
| 53 | var args = new Array(); |
| 54 | |
| 55 | // Match either |
| 56 | // a) apos. followed by anything till apos. followed by space or end of string |
| 57 | // - escape apos. by backslash, if it is not supposed to be part of the string |
| 58 | // b) space delimited word |
| 59 | // - escape space by backslash, if it is not supposed to be part of the string |
| 60 | // No other escaping is implemented, because it would make writing windows-like |
| 61 | // paths hard |
| 62 | // |
| 63 | // Use debugging facility to see what is the result if you are not sure how |
| 64 | // to use this |
| 65 | scmd=cmd.match(/"(\"|.)*?"(?=\s|$)|(\\\s|\S)+/g); |
| 66 | for (var i in scmd) |
| 67 | { |
| 68 | // If it is apos. delimited |
| 69 | if (scmd[i].slice(0,1)=='"') |
| 70 | { |
| 71 | // Remove quotes on the begin and end |
| 72 | scmd[i]=scmd[i].replace(/^"(.*?)"$/, "$1"); |
| 73 | // De-escape apostroph |
| 74 | // \x22 is a " but the " is fucking up my emacs colors |
| 75 | scmd[i]=scmd[i].replace(/\\\x22/g, "\x22"); |
| 76 | } else { |
| 77 | // De-escape spaces |
| 78 | scmd[i]=scmd[i].replace(/\\(\s)/g, "$1"); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | var executable = scmd.shift(); |
| 83 | if (executable.length == 0) { |
| 84 | fehError("no executable in command"); |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | for (var i = 0; i < scmd.length; i++) { |
| 89 | var param = scmd[i]; |
| 90 | var buf = ""; |
| 91 | if (param.length == 0) { |
| 92 | continue; |
| 93 | } |
| 94 | for (var e = 0; e < param.length; e++) { |
| 95 | var c = param[e]; |
| 96 | if (c == '%') { |
| 97 | var a = param[++e]; |
| 98 | if (esc[a] === undefined) { |
| 99 | fehError("unknown escape in command '" + cmd + "': %" + a); |
| 100 | return false; |
| 101 | } |
| 102 | else { |
| 103 | buf += esc[a]; |
| 104 | } |
| 105 | } |
| 106 | else { |
| 107 | buf += c; |
| 108 | } |
| 109 | } |
| 110 | args.push(buf); |
| 111 | } |
| 112 | |
| 113 | try { |
| 114 | var exec = Components.classes["@mozilla.org/file/local;1"]. |
| 115 | createInstance(Components.interfaces.nsILocalFile); |
| 116 | var pr = Components.classes["@mozilla.org/process/util;1"]. |
| 117 | createInstance(Components.interfaces.nsIProcess); |
| 118 | var path = null; |
| 119 | |
| 120 | // $PATH stuff (only on UNIX) |
| 121 | if (window.navigator.platform.toLowerCase().indexOf("win") == -1) |
| 122 | { |
| 123 | path = fehmozexGetEnvironment("PATH").split(":"); |
| 124 | } |
| 125 | |
| 126 | // If executable is an absolute path or we don not know how to get PATH |
| 127 | // (windows), run it or fail. Otherwise look for the executable in $PATH. |
| 128 | // FIXME: How do you tell portably if a path is absolute? |
| 129 | if (executable.charAt(0) == "/" || path == null) { |
| 130 | dump ("feh: executable is " + executable + "\n"); |
| 131 | exec.initWithPath(executable); |
| 132 | if (! exec.exists()) { |
| 133 | throw "executable '" + executable + "' does not exist."; |
| 134 | } |
| 135 | } |
| 136 | else { |
| 137 | var found = false; |
| 138 | for (i = 0; i < path.length; i++) { |
| 139 | exec.initWithPath(path[i]); |
| 140 | exec.appendRelativePath(executable); |
| 141 | if (exec.exists()) { |
| 142 | dump ("feh: executable is " + path[i] + "/" + executable + "\n"); |
| 143 | found = true; |
| 144 | break; |
| 145 | } |
| 146 | } |
| 147 | if (!found) { |
| 148 | throw "could not find '" + executable + "' in path:\n" + path.join ("\n"); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | |
| 153 | for (var j = 0; j < args.length; j ++) |
| 154 | dump ("feh: arg " + j + " is " + args[j] + "\n"); |
| 155 | |
| 156 | |
| 157 | pr.init(exec); |
| 158 | pr.run(false /* don't block */, args, args.length); |
| 159 | } |
| 160 | catch (e) { |
| 161 | fehError("cannot run executable '" + |
| 162 | executable + "' (args: " + args + "): " + e); |
| 163 | return false; |
| 164 | } |
| 165 | // alert(pr.pid); /* pid is not implemented :((( */ |
| 166 | return true; |
| 167 | } |
| 168 | |
| 169 | var feh = { |
| 170 | |
| 171 | onshow: function() { |
| 172 | |
| 173 | for (var name in feh.progs) { |
| 174 | gContextMenu.showItem( "context-" + name, gContextMenu.onLink ); |
| 175 | } |
| 176 | |
| 177 | //gContextMenu.showItem( "context-za", gContextMenu.onLink ); |
| 178 | //alert(">>>>>> " + gContextMenu.linkURL); |
| 179 | }, |
| 180 | |
| 181 | onLoad: function() { |
| 182 | // initialization code |
| 183 | this.initialized = true; |
| 184 | |
| 185 | try { |
| 186 | |
| 187 | var dirService = Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties); |
| 188 | var path = dirService.get("ProfD", Components.interfaces.nsIFile); |
| 189 | path.append("link-handlers.js"); |
| 190 | |
| 191 | var stream = Components.classes["@mozilla.org/network/file-input-stream;1"].createInstance(Components.interfaces.nsIFileInputStream); |
| 192 | |
| 193 | stream.init(path, 0x01, 0444, 0); |
| 194 | |
| 195 | var sstream = Components.classes["@mozilla.org/scriptableinputstream;1"] |
| 196 | .createInstance(Components.interfaces.nsIScriptableInputStream); |
| 197 | sstream.init(stream); |
| 198 | |
| 199 | var data = ""; |
| 200 | |
| 201 | var str = sstream.read(4096); |
| 202 | while (str.length > 0) { |
| 203 | data += str; |
| 204 | str = sstream.read(4096); |
| 205 | } |
| 206 | |
| 207 | sstream.close(); |
| 208 | stream.close(); |
| 209 | |
| 210 | //alert(data); |
| 211 | |
| 212 | progs = eval("feh.progs = " + data + ";"); |
| 213 | } catch (e) { |
| 214 | fehError("error reading link-handlers.js: " + e); |
| 215 | return null; |
| 216 | } |
| 217 | |
| 218 | var menu = document.getElementById("contentAreaContextMenu"); |
| 219 | var ni; |
| 220 | |
| 221 | /* |
| 222 | ni = document.createElement("menuitem"); |
| 223 | ni.setAttribute("label", "feh"); |
| 224 | ni.setAttribute("oncommand", "feh(this);"); |
| 225 | menu.appendChild(ni); |
| 226 | |
| 227 | ni = document.createElement("menuitem"); |
| 228 | ni.setAttribute("label", "za"); |
| 229 | ni.setAttribute("id", "context-za"); |
| 230 | ni.setAttribute("oncommand", "feh.za(this)"); |
| 231 | menu.appendChild(ni); |
| 232 | |
| 233 | */ |
| 234 | |
| 235 | feh.proga = new Array(); |
| 236 | var i = 0; |
| 237 | |
| 238 | for (var name in feh.progs) { |
| 239 | dump("FEHHH " + name + " ::: " + feh.progs[name] + "\n"); |
| 240 | /* |
| 241 | feh.progsubs[name] = function() { |
| 242 | fehmozexRunProgram (feh.progs[name], {'r' : gContextMenu.linkURL}); |
| 243 | }*/ |
| 244 | feh.proga.push (name); |
| 245 | ni = document.createElement("menuitem"); |
| 246 | ni.setAttribute("label", name); |
| 247 | ni.setAttribute("id", "context-" + name); |
| 248 | //ni.setAttribute("oncommand", "dump(\"ZZZZZZZZZZZZ +\"" + name + "\"\\n\"); feh.progsubs[\"" + name + "\"];"); |
| 249 | //ni.setAttribute("oncommand", "dump(\"ZZZZZZZZZZZZ "+ name +"\\n\");"); |
| 250 | dump("ZZZZZ: fehDispatch(\""+ name +"\");\n"); |
| 251 | //ni.setAttribute("oncommand", "fehDispatch(\""+ name +"\");"); |
| 252 | ni.setAttribute("oncommand", "fehDispatch("+ i +");"); |
| 253 | menu.appendChild(ni); |
| 254 | i++; |
| 255 | } |
| 256 | dump ("end feh\n") |
| 257 | |
| 258 | var h = menu.getAttribute("onpopupshowing"); |
| 259 | menu.feh_onshowing = eval ("function(event) {" + h + "}"); |
| 260 | |
| 261 | /* |
| 262 | menu.setAttribute("onpopupshowing", |
| 263 | "if (event.target != this) return true; gContextMenu = new nsContextMenu( this ); feh.onshow(); return gContextMenu.shouldDisplay;");*/ |
| 264 | |
| 265 | menu.setAttribute("onpopupshowing", "var ret = this.feh_onshowing(event); feh.onshow(); return x;"); |
| 266 | //alert(menu.initClipboardItems); |
| 267 | |
| 268 | }, |
| 269 | |
| 270 | progs: {}, |
| 271 | |
| 272 | /* |
| 273 | progs: { |
| 274 | "seeurl" : "gnome-terminal -x sh -c \"echo foo: %r | less\" ", |
| 275 | "links" : "gnome-terminal -x links %r " }, |
| 276 | */ |
| 277 | |
| 278 | //progsubs: {}, |
| 279 | |
| 280 | za: function(o) { |
| 281 | fehmozexRunProgram ("gnome-terminal -x sh -c \"echo foo: %r | less\" ", {'r' : gContextMenu.linkURL}); |
| 282 | } |
| 283 | |
| 284 | |
| 285 | }; |
| 286 | |
| 287 | function fehDispatch(i) { |
| 288 | var name = feh.proga[i]; |
| 289 | fehmozexRunProgram (feh.progs[name], {'r' : gContextMenu.linkURL}); |
| 290 | } |
| 291 | |
| 292 | |
| 293 | /* |
| 294 | function feh(o) { |
| 295 | alert("feh " + o.parentNode.localName + ":::" + o.parentNode.getAttribute("onpopupshowing")); |
| 296 | } |
| 297 | */ |
| 298 | |
| 299 | |
| 300 | window.addEventListener("load", function(e) { feh.onLoad(e); }, false); |