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