Open-ILS/xul/staff_client/chrome/content/util/browser.js

   1 dump('entering util.browser.js\n');
   2
   3 if (typeof util == 'undefined') util = {};
   4 util.browser = function (params) {
   5     try {
   6         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
   7         JSAN.use('util.error'); this.error = new util.error();
   8     } catch(E) {
   9         dump('util.browser: ' + E + '\n');
  10     }
  11 }
  12
  13 util.browser.prototype = {
  14
  15     'init' : function( params ) {
  16
  17         try {
  18             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  19
  20             var obj = this;
  21
  22             obj.url = params['url'];
  23             obj.push_xulG = params['push_xulG'];
  24             obj.html_source = params['html_source'];
  25             obj.browser_id = params['browser_id'];
  26             obj.debug_label = params['debug_label'];
  27             obj.passthru_content_params = params['passthru_content_params'];
  28             obj.on_url_load = params['on_url_load'];
  29             obj.printer_context = params['printer_context'] || 'default';
  30
  31             JSAN.use('util.controller'); obj.controller = new util.controller();
  32             obj.controller.init(
  33                 {
  34                     control_map : {
  35                         'cmd_broken' : [
  36                             ['command'],
  37                             function() { alert('Not Yet Implemented'); }
  38                         ],
  39                         'cmd_debug' : [
  40                             ['command'],
  41                             function() {
  42                                 var curr_url = obj.get_content().location.href;
  43                                 var url = window.prompt('Original URL: ' + obj.url + '\nCurrent URL: ' + curr_url + '\nEnter new URL:',curr_url);
  44                                 if (url) { obj.get_content().location.href = url; }
  45                             }
  46                         ],
  47                         'cmd_view_source' : [
  48                             ['command'],
  49                             function() {
  50                                 var curr_url = obj.get_content().location.href;
  51                                 //obj.get_content().location.href = 'view-source:' + curr_url; // This works too, but the openDialog below is more feature-rich
  52                                 window.openDialog("chrome://global/content/viewSource.xul", "", "all,dialog=no", curr_url);
  53                             }
  54                         ],
  55                         'cmd_print' : [
  56                             ['command'],
  57                             function() {
  58                                 try {
  59                                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
  60                                     var content = obj.get_content();
  61                                     JSAN.use('util.print'); var p = new util.print(obj.printer_context);
  62                                     var print_params = {};
  63                                     if (obj.html_source) {
  64                                         print_params.msg = obj.html_source;
  65                                         print_params.content_type = 'text/html';
  66                                     }
  67                                     if (typeof content.printable_output == 'function') {
  68                                         print_params.msg = content.printable_output();
  69                                         print_params.content_type = 'text/plain';
  70                                         content = print_params.msg;
  71                                     }
  72                                     JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.stash_retrieve();
  73                                     // Override the print strategy temporarily if it's not set or is equal to webBrowserPrint (which is buggy here)
  74                                     if (data.print_strategy) {
  75                                         if (data.print_strategy[obj.printer_context] || data.print_strategy['default']) {
  76                                             if (data.print_strategy[obj.printer_context]) {
  77                                                 if (data.print_strategy[obj.printer_context] == 'webBrowserPrint') {
  78                                                     print_params.print_strategy = 'window.print';
  79                                                 }
  80                                             } else {
  81                                                 if (data.print_strategy['default'] == 'webBrowserPrint') {
  82                                                     print_params.print_strategy = 'window.print';
  83                                                 }
  84                                             }
  85                                         } else {
  86                                             print_params.print_strategy = 'window.print';
  87                                         }
  88                                     } else {
  89                                         print_params.print_strategy = 'window.print';
  90                                     }
  91                                     p.NSPrint(content,false,print_params);
  92                                 } catch(E) {
  93                                     alert('browser.js, cmd_print exception: ' + E);
  94                                 }
  95                             }
  96                         ],
  97                         'cmd_forward' : [
  98                             ['command'],
  99                             function() {
 100                                 try {
 101                                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 102                                     var n = obj.getWebNavigation();
 103                                     if (n.canGoForward) n.goForward();
 104                                 } catch(E) {
 105                                     var err = 'cmd_forward: ' + E;
 106                                     obj.error.sdump('D_ERROR',err);
 107                                 }
 108                             }
 109                         ],
 110                         'cmd_back' : [
 111                             ['command'],
 112                             function() {
 113                                 try {
 114                                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 115                                     var n = obj.getWebNavigation();
 116                                     if (n.canGoBack) n.goBack();
 117                                 } catch(E) {
 118                                     var err = 'cmd_back: ' + E;
 119                                     obj.error.sdump('D_ERROR',err);
 120                                 }
 121                             }
 122                         ],
 123                         'cmd_reload' : [
 124                             ['command'],
 125                             function() {
 126                                 try {
 127                                     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 128                                     var n = obj.getWebNavigation();
 129                                     n.reload( Components.interfaces.nsIWebNavigation.LOAD_FLAGS_NONE );
 130                                 } catch(E) {
 131                                     var err = 'cmd_reload: ' + E;
 132                                     obj.error.sdump('D_ERROR',err);
 133                                 }
 134                             }
 135                         ],
 136                         'cmd_find' : [
 137                             ['command'],
 138                             function() {
 139                                 var text = window.prompt('Enter text to find:');
 140                                 obj.find(text);
 141                             }
 142                         ]
 143                     }
 144                 }
 145             );
 146             obj.controller.render();
 147
 148             var browser_id = 'browser_browser'; if (obj.browser_id) browser_id = obj.browser_id;
 149             obj.controller.view.browser_browser = document.getElementById(browser_id);
 150
 151             obj.buildProgressListener();
 152             /*
 153             dump('obj.controller.view.browser_browser.addProgressListener = '
 154                 + obj.controller.view.browser_browser.addProgressListener + '\n');
 155             */
 156             obj.controller.view.browser_browser.addProgressListener(obj.progressListener,
 157                             Components.interfaces.nsIWebProgress.NOTIFY_ALL );
 158
 159             obj.controller.view.browser_browser.setAttribute('src',obj.url);
 160             //dump('browser url = ' + obj.url + '\n');
 161
 162             window.help_context_set_locally = true;
 163
 164         } catch(E) {
 165             this.error.sdump('D_ERROR','util.browser.init: ' + E + '\n');
 166         }
 167     },
 168
 169     'find' : function(text) {
 170         var obj = this;
 171         try {
 172             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 173
 174             function getBrowser() {
 175                 return obj.controller.view.browser_browser;
 176             }
 177
 178             function getFocusedSelCtrl() {
 179                 var ds = getBrowser().docShell;
 180                 var dsEnum = ds.getDocShellEnumerator(Components.interfaces.nsIDocShellTreeItem.typeContent,
 181                                                     Components.interfaces.nsIDocShell.ENUMERATE_FORWARDS);
 182                 while (dsEnum.hasMoreElements()) {
 183                     ds = dsEnum.getNext().QueryInterface(Components.interfaces.nsIDocShell);
 184                     if (ds.hasFocus) {
 185                         var display = ds.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsISelectionDisplay);
 186                         if (!display) return null;
 187                         return display.QueryInterface(Components.interfaces.nsISelectionController);
 188                     }
 189                 }
 190
 191                 // One last try
 192                 return getBrowser().docShell
 193                     .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
 194                     .getInterface(Components.interfaces.nsISelectionDisplay)
 195                     .QueryInterface(Components.interfaces.nsISelectionController);
 196             }
 197
 198             function setSelection(range) {
 199                 try {
 200                     var selctrlcomp = Components.interfaces.nsISelectionController;
 201                     var selctrl = getFocusedSelCtrl();
 202                     var sel = selctrl.getSelection(selctrlcomp.SELECTION_NORMAL);
 203                     sel.removeAllRanges();
 204                     sel.addRange(range.cloneRange());
 205
 206                     selctrl.scrollSelectionIntoView(selctrlcomp.SELECTION_NORMAL,
 207                         selctrlcomp.SELECTION_FOCUS_REGION,
 208                         true);
 209                 } catch(e) {alert("setSelection: " + e);}
 210             }
 211
 212             var doc = obj.get_content().document;
 213             var body = doc.body;
 214             var count = body.childNodes.length;
 215             var finder = Components.classes["@mozilla.org/embedcomp/rangefind;1"].createInstance()
 216                 .QueryInterface(Components.interfaces.nsIFind);
 217             var searchRange = doc.createRange();
 218             var startPt = doc.createRange();
 219             var endPt = doc.createRange();
 220                 searchRange.setStart(body,0);
 221                 searchRange.setEnd(body, count);
 222                 startPt.setStart(body, 0);
 223                 startPt.setEnd(body, 0);
 224                 endPt.setStart(body, count);
 225                 endPt.setEnd(body, count);
 226             var retRange = finder.Find(text, searchRange, startPt, endPt);
 227             dump('retRange = ' + retRange + '\n');
 228             setSelection(retRange);
 229         } catch(E) {
 230             alert('Error in browser.js, find(): ' + E);
 231         }
 232     },
 233
 234     'get_content' : function() {
 235         try {
 236             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 237             if (this.controller.view.browser_browser.contentWindow.wrappedJSObject) {
 238                 return this.controller.view.browser_browser.contentWindow.wrappedJSObject;
 239             } else {
 240                 return this.controller.view.browser_browser.contentWindow;
 241             }
 242         } catch(E) {
 243             this.error.sdump('D_ERROR','util.browser.get_content(): ' + E);
 244         }
 245     },
 246
 247     'push_variables' : function() {
 248         try {
 249             var obj = this;
 250             var s = '';
 251             try { s += obj.url + '\n' + obj.get_content().location.href + '\n'; } catch(E) { s+=E + '\n'; }
 252             if (!obj.push_xulG) return;
 253             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 254             var cw = this.get_content();
 255             cw.IAMXUL = true;
 256             cw.XUL_BUILD_ID = '/xul/server/'.split(/\//)[2];
 257             cw.xulG = obj.passthru_content_params || {};
 258             if (!cw.xulG.set_tab) { cw.xulG.set_tab = function(a,b,c) { return window.xulG.set_tab(a,b,c); }; }
 259             if (!cw.xulG.new_tab) { cw.xulG.new_tab = function(a,b,c) { return window.xulG.new_tab(a,b,c); }; }
 260             if (!cw.xulG.new_patron_tab) { cw.xulG.new_patron_tab = function(a,b) { return window.xulG.new_patron_tab(a,b); }; }
 261             if (!cw.xulG.set_patron_tab) { cw.xulG.set_patron_tab = function(a,b) { return window.xulG.set_patron_tab(a,b); }; }
 262             if (!cw.xulG.volume_item_creator) { cw.xulG.volume_item_creator = function(a) { return window.xulG.volume_item_creator(a); }; }
 263             if (!cw.xulG.get_new_session) { cw.xulG.get_new_session = function(a) { return window.xulG.get_new_session(a); }; }
 264             if (!cw.xulG.holdings_maintenance_tab) { cw.xulG.holdings_maintenance_tab = function(a,b,c) { return window.xulG.holdings_maintenance_tab(a,b,c); }; }
 265             if (!cw.xulG.url_prefix) { cw.xulG.url_prefix = function(url) { return window.xulG.url_prefix(url); }; }
 266             if (!cw.xulG.urls) { cw.xulG.urls = window.urls; }
 267             try { s += ('******** cw = ' + cw + ' cw.xulG = ' + (cw.xulG) + '\n'); } catch(E) { s+=E + '\n'; }
 268             obj.error.sdump('D_BROWSER',s);
 269         } catch(E) {
 270             this.error.sdump('D_ERROR','util.browser.push_variables: ' + E + '\n');
 271         }
 272     },
 273
 274     'getWebNavigation' : function() {
 275         try {
 276             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 277             var wn = this.controller.view.browser_browser.webNavigation;
 278             var s = this.url + '\n' + this.get_content().location.href + '\n';
 279             s += ('getWebNavigation() = ' + wn + '\n');
 280             //this.error.sdump('D_BROWSER',s);
 281             return wn;
 282         } catch(E) {
 283             this.error.sdump('D_ERROR','util.browser.getWebNavigation(): ' + E );
 284         }
 285     },
 286
 287     'updateNavButtons' : function() {
 288         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 289         var obj = this;
 290         var s = obj.url + '\n' + obj.get_content().location.href + '\n';
 291         try {
 292             var n = obj.getWebNavigation();
 293             s += ('webNavigation = ' + n + '\n');
 294             s += ('webNavigation.canGoForward = ' + n.canGoForward + '\n');
 295             if (n.canGoForward) {
 296                 if (typeof obj.controller.view.cmd_forward != 'undefined') {
 297                     obj.controller.view.cmd_forward.disabled = false;
 298                     obj.controller.view.cmd_forward.setAttribute('disabled','false');
 299                 }
 300             } else {
 301                 if (typeof obj.controller.view.cmd_forward != 'undefined') {
 302                     obj.controller.view.cmd_forward.disabled = true;
 303                     obj.controller.view.cmd_forward.setAttribute('disabled','true');
 304                 }
 305             }
 306         } catch(E) {
 307             s += E + '\n';
 308         }
 309         try {
 310             var n = obj.getWebNavigation();
 311             s += ('webNavigation = ' + n + '\n');
 312             s += ('webNavigation.canGoBack = ' + n.canGoBack + '\n');
 313             if (n.canGoBack) {
 314                 if (typeof obj.controller.view.cmd_back != 'undefined') {
 315                     obj.controller.view.cmd_back.disabled = false;
 316                     obj.controller.view.cmd_back.setAttribute('disabled','false');
 317                 }
 318             } else {
 319                 if (typeof obj.controller.view.cmd_back != 'undefined') {
 320                     obj.controller.view.cmd_back.disabled = true;
 321                     obj.controller.view.cmd_back.setAttribute('disabled','true');
 322                 }
 323             }
 324         } catch(E) {
 325             s += E + '\n';
 326         }
 327         //this.error.sdump('D_BROWSER',s);
 328
 329         // Let's also update @protocol, @hostname, @port, and @pathname on the <help> widget
 330         if (xulG.set_help_context) {
 331             try {
 332                 var help_params = {
 333                     'protocol' : obj.get_content().location.protocol,
 334                     'hostname' : obj.get_content().location.hostname,
 335                     'port' : obj.get_content().location.port,
 336                     'pathname' : obj.get_content().location.pathname,
 337                     'src' : ''
 338                 };
 339                 xulG.set_help_context(help_params);
 340             } catch(E) {
 341                 dump('Error in browser.js, setting location on help widget: ' + E);
 342             }
 343         } else {
 344             dump(location.href + ': browser.js, updateNavButtons, xulG = ' + xulG + ' xulG.set_help_context = ' + xulG.set_help_context + '\n');
 345         }
 346     },
 347
 348     'buildProgressListener' : function() {
 349
 350         try {
 351             netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 352
 353             var obj = this;
 354             obj.progressListener = {
 355                 onProgressChange    : function(){},
 356                 onLocationChange    : function(){},
 357                 onStatusChange        : function(){},
 358                 onSecurityChange    : function(){},
 359                 onStateChange         : function ( webProgress, request, stateFlags, status) {
 360                     try {
 361                         netscape.security.PrivilegeManager.enablePrivilege( "UniversalXPConnect" );
 362                         var s = obj.url + '\n' + obj.get_content().location.href + '\n';
 363                         const nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
 364                         const nsIChannel = Components.interfaces.nsIChannel;
 365                         ////// handle the throbber
 366                         var throbber = xulG.page_meter;
 367                         if (throbber) {
 368                             var busy = false;
 369                             if (!(stateFlags & nsIWebProgressListener.STATE_RESTORING)) {
 370                                 busy = true;
 371                                 throbber.on();
 372                             }
 373                             if (stateFlags & nsIWebProgressListener.STATE_STOP) {
 374                                 busy = false;
 375                                 setTimeout(
 376                                     function() {
 377                                         if (!busy) { throbber.off(); }
 378                                     }, 2000
 379                                 );
 380                             }
 381                         }
 382                         //////
 383                         if (stateFlags == 65540 || stateFlags == 65537 || stateFlags == 65552) { return; }
 384                         s += ('onStateChange: stateFlags = ' + stateFlags + ' status = ' + status + '\n');
 385                         if (stateFlags & nsIWebProgressListener.STATE_IS_REQUEST) {
 386                             s += ('\tSTATE_IS_REQUEST\n');
 387                         }
 388                         if (stateFlags & nsIWebProgressListener.STATE_IS_DOCUMENT) {
 389                             s += ('\tSTATE_IS_DOCUMENT\n');
 390                             if( stateFlags & nsIWebProgressListener.STATE_STOP ) {
 391                                 obj.push_variables(); obj.updateNavButtons();
 392                                 if (typeof obj.on_url_load == 'function') {
 393                                     try {
 394                                         obj.error.sdump('D_TRACE','calling on_url_load');
 395                                         var helpers = {
 396                                             'doc_write' : function(html) {
 397                                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 398                                                 obj.get_content().document.write(html);
 399                                             },
 400                                             'doc_close' : function() {
 401                                                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 402                                                 obj.get_content().document.close();
 403                                             }
 404                                         }
 405                                         obj.on_url_load( obj.controller.view.browser_browser, obj, helpers );
 406                                     } catch(E) {
 407                                         obj.error.sdump('D_ERROR','on_url_load: ' + E );
 408                                     }
 409                                 }
 410                                 if (obj.debug_label) {
 411                                     try {
 412                                         document.getElementById(obj.debug_label).setAttribute('tooltiptext','url: ' + obj.get_content().location.href);
 413                                     } catch(E) {
 414                                         obj.error.sdump('D_ERROR','on_url_load, debug_label: ' + E );
 415                                     }
 416                                 }
 417                             }
 418                         }
 419                         if (stateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
 420                             s += ('\tSTATE_IS_NETWORK\n');
 421                         }
 422                         if (stateFlags & nsIWebProgressListener.STATE_IS_WINDOW) {
 423                             s += ('\tSTATE_IS_WINDOW\n');
 424                         }
 425                         if (stateFlags & nsIWebProgressListener.STATE_START) {
 426                             s += ('\tSTATE_START\n');
 427                         }
 428                         if (stateFlags & nsIWebProgressListener.STATE_REDIRECTING) {
 429                             s += ('\tSTATE_REDIRECTING\n');
 430                         }
 431                         if (stateFlags & nsIWebProgressListener.STATE_TRANSFERING) {
 432                             s += ('\tSTATE_TRANSFERING\n');
 433                         }
 434                         if (stateFlags & nsIWebProgressListener.STATE_NEGOTIATING) {
 435                             s += ('\tSTATE_NEGOTIATING\n');
 436                         }
 437                         if (stateFlags & nsIWebProgressListener.STATE_STOP) {
 438                             s += ('\tSTATE_STOP\n');
 439                         }
 440                         //obj.error.sdump('D_BROWSER',s);
 441                         if (throbber) { throbber.tooltip(s); }
 442                     } catch(E) {
 443                         obj.error.sdump('D_ERROR','util.browser.progresslistener.onstatechange: ' + (E));
 444                     }
 445                 }
 446             }
 447             obj.progressListener.QueryInterface = function(){return this;};
 448         } catch(E) {
 449             this.error.sdump('D_ERROR','util.browser.buildProgressListener: ' + E + '\n');
 450         }
 451     }
 452 }
 453
 454 dump('exiting util.browser.js\n');