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