optional javascript for screenshots
[app.webkitpdf] / BrowserWindow.vala
1 static BrowserWindow  _BrowserWindow;
2
3 public class BrowserWindow : Object
4 {
5     public Gtk.Window el;
6     private BrowserWindow  _this;
7
8     public static BrowserWindow singleton()
9     {
10         if (_BrowserWindow == null) {
11             _BrowserWindow= new BrowserWindow();
12         }
13         return _BrowserWindow;
14     }
15     public Xcls_scrolled_window scrolled_window;
16     public Xcls_view view;
17
18         // my vars (def)
19
20     // ctor
21     public BrowserWindow()
22     {
23         _this = this;
24         this.el = new Gtk.Window( Gtk.WindowType.TOPLEVEL );
25
26         // my vars (dec)
27
28         // set gobject values
29         var child_0 = new Xcls_scrolled_window( _this );
30         child_0.ref();
31         this.el.add (  child_0.el  );
32
33         //listeners
34         this.el.destroy.connect( () => {
35             Gtk.main_quit();
36         });
37         this.el.show.connect( () => {
38                 
39                 print("resizing window\n");
40                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
41                 var h = webkitpdf.opt_height > 0 ?  webkitpdf.opt_height  :  500;
42                                 
43                 
44                 this.el.resize(w,h);
45         
46                 // we have to do silly stuff with blogspot!!?!?
47                 var blog = webkitpdf.opt_url;
48         
49         
50           /* Do not redirect if the domain is .com already */
51           if (/\.blogspot\.com/.match(blog)) {
52                         var r =  new Regex ("\\.blogspot\\..*?/");
53                         blog = r.replace(blog, blog.length, 0, ".blogspot.com/ncr/");
54           }
55                 
56                 print("loading url %s\n",blog); 
57                 this.view.el.load_uri(blog);
58                  
59                 // if we have not finished in 25 seconds
60                 // call printit...
61                 var cd = webkitpdf.opt_delay > 25 ? webkitpdf.opt_delay : 25;
62                   GLib.Timeout.add_seconds(1, () => { 
63                         cd--;
64                         print("timeout %d seconds :%d", (int)( webkitpdf.opt_delay > 25 ? webkitpdf.opt_delay : 25), (int)cd);
65                         if (cd < 1) {
66                                 print("calling printit - timed out");
67                                 _this.view.printit();
68                                 return false;                   
69                         }
70                         return true;
71         
72                 });
73                 
74         
75         });
76     }
77
78     // user defined functions
79     public class Xcls_scrolled_window : Object
80     {
81         public Gtk.ScrolledWindow el;
82         private BrowserWindow  _this;
83
84
85             // my vars (def)
86
87         // ctor
88         public Xcls_scrolled_window(BrowserWindow _owner )
89         {
90             _this = _owner;
91             _this.scrolled_window = this;
92             this.el = new Gtk.ScrolledWindow( null, null );
93
94             // my vars (dec)
95
96             // set gobject values
97             var child_0 = new Xcls_view( _this );
98             child_0.ref();
99             this.el.add (  child_0.el  );
100
101             // init method
102
103             {
104                 this.el.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC);
105             }
106         }
107
108         // user defined functions
109     }
110     public class Xcls_view : Object
111     {
112         public WebKit.WebView el;
113         private BrowserWindow  _this;
114
115
116             // my vars (def)
117         public string cookie_file;
118         public bool print_started;
119         public int load_try;
120
121         // ctor
122         public Xcls_view(BrowserWindow _owner )
123         {
124             _this = _owner;
125             _this.view = this;
126             this.el = new WebKit.WebView();
127
128             // my vars (dec)
129             this.print_started = false;
130             this.load_try = 0;
131
132             // set gobject values
133
134             // init method
135
136             {
137                         this.load_try = 0;
138             
139             #if GTK3
140                          this.el.load_changed.connect( (ev ) => {
141                                 if (ev != WebKit.LoadEvent.FINISHED) {
142                                         return;  
143                                   }
144                                   
145                            this.printit(); 
146                           
147                          
148                         });
149                         
150                                 this.el.resource_load_started.connect( (resource, request) => {
151                                 //      print("Adding referrer header %s\n" , request.get_uri());
152                                         
153                                         if (request.get_http_headers() != null) {
154                                                 request.get_http_headers().remove("Referer");           
155                                                 request.get_http_headers().append("Referer", request.get_uri());
156                                         }
157                         });
158                         var settings = this.el.get_settings();
159                                 settings.set_user_agent( "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36" );
160                                 settings.hardware_acceleration_policy = WebKit.HardwareAccelerationPolicy.NEVER;
161                                 settings.enable_accelerated_2d_canvas = false;
162                                 if (webkitpdf.opt_disable_javascript) { 
163                                         settings.enable_javascript  = false;
164                                 }
165             
166                                 WebKit.WebContext.get_default().set_tls_errors_policy(  WebKit.TLSErrorsPolicy.IGNORE );
167                        
168             #else
169              //listeners
170                       //  this.el.resource_request_starting.connect( (p0, webres, netreq ) => {
171                         //  print("resource req. started %s\n", netreq.uri);
172                              
173                       //  });
174                         
175                         this.el.load_finished.connect( ( ) => {
176                                  
177                                this.printit(); 
178                          
179                         });
180                         WebKit.get_default_session().request_started.connect((message, socket) => {
181                             Soup.URI uri = message.get_uri();
182                                 
183                                         var host = uri.get_host ();
184                                         if (host.contains("google-analytics") || host.contains("googlesyndication") || host.contains("facebook") ) {
185                                                 print("DISCONNECTING: %s\n", host);
186                                                 socket.disconnect();
187                                                 return;
188                                         }
189             
190                                         print("Adding header: %s\n", uri.to_string(false));
191                                         message.request_headers.remove("Referer");                              
192                                         message.request_headers.append("Referer", "http://"+host+"/");
193                                         
194                         
195                         });
196                         var sess = WebKit.get_default_session();
197                                 sess.user_agent= "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36";
198                                 sess.ssl_strict = false;
199                                 
200                         var settings = this.el.get_settings();
201                         
202                                 settings.enable_webgl = false;
203                                 settings.enable_plugins  = false;
204                                 settings.enable_java_applet  = false;
205                                 if (webkitpdf.opt_disable_javascript) { 
206                                         settings.enable_scripts  = false;
207                                 }
208                                 
209                                 
210                                 this.el.console_message.connect((msg, line, sid) => {
211                                         print("CONSOLE: %s:%d %s\n", sid, line, msg);
212                                         return false;
213                                 });
214                                 this.el.create_web_view.connect((frame) => {
215                                         print("WEBFRAME:%s\n", frame.uri);
216                                         return new WebKit.WebView();
217                                 });
218                         
219             #endif
220             }
221                         this.cookie_file = "";
222                         if (webkitpdf.opt_cookies != null) {
223                                 print("setting cookie %s\n",webkitpdf.opt_cookies);
224             
225                                 var uri = new Soup.URI (webkitpdf.opt_url);
226                                 
227                                 string[] cookies = webkitpdf.opt_cookies.split ("=", 2);
228             
229                                 if(cookies.length > 1 ) {
230                                                      
231                                 #if GTK3        
232                                         var context = WebKit.WebContext.get_default();           
233                                         var cookie_manager = context.get_cookie_manager();
234                                         cookie_manager.set_accept_policy(WebKit.CookieAcceptPolicy.NEVER);
235                                         string scheme = uri.get_scheme ();
236                                 
237                                         try {            
238                                             FileIOStream iostream;                            
239                                             File file = File.new_tmp ("cookie-XXXXXX.txt", out iostream);
240                                             this.cookie_file = file.get_path ();        
241                                             print("cookie tmp file name: %s\n", file.get_path ());
242                                  
243                                             OutputStream ostream = iostream.output_stream;
244                                             DataOutputStream dostream = new DataOutputStream (ostream);                                      
245                                             dostream.put_string ("%s\tTRUE\t/\t%s\t2147483647\t%s\t%s".printf(uri.get_host(),scheme == "http" ? "FALSE" : "TRUE",cookies[0],cookies[1]));                             
246                                             cookie_manager.set_persistent_storage(file.get_path(), WebKit.CookiePersistentStorage.TEXT);                              
247                                         } catch (Error e) {
248                                             stdout.printf ("Error: %s\n", e.message);
249                                         }               
250                                 #else
251                                         var cookie_jar = new Soup.CookieJar();          
252                                         var cookie = new Soup.Cookie (cookies[0], cookies[1], uri.get_host(), "/", -1);
253                                         if(uri.get_scheme() =="https") {
254                                             cookie.set_secure(true);                    
255                                         }           
256                                         cookie_jar.set_accept_policy(Soup.CookieJarAcceptPolicy.NEVER);                          
257                                         cookie_jar.add_cookie(cookie);                      
258                                         WebKit.get_default_session().add_feature(cookie_jar);
259                                 #endif
260                                                                                                             
261                                 }
262             
263                         } 
264                         // init method
265         }
266
267         // user defined functions
268         public void printit () {
269            print("load_finsihed\n");
270            
271            if (this.print_started) {
272                print("load_finsihed - already printing..%d %s\n", this.load_try, this.el.uri);
273            
274               
275               
276               
277               return;
278           }
279            
280          
281             this.print_started = true; // flag to stop double call.
282             
283             
284                 // inject any javascript if needed..
285                 if (webkitpdf.opt_inject_js != null) {
286                 
287                         print("injecting javascript files \n");
288                         foreach(var inject_js in  webkitpdf.opt_inject_js) {
289                         print("inject? %s\n", inject_js);
290                                 string str;
291                                 try {
292                                         FileUtils.get_contents( inject_js, out str);
293                                 } catch(FileError e) {
294                                         print("Failed to inject %s\n",  inject_js);
295                                         continue;
296                                 }
297         #if GTK3
298                                 GLib.MainLoop mainloop = new GLib.MainLoop();
299                                 this.el.run_javascript.begin(str, null, (obj,res) => {
300                                         mainloop.quit();
301                                 });
302                                 mainloop.run();
303                                 
304         #else                   
305                                 this.el.execute_script(str);
306         #endif
307                         }
308                 }
309                   
310                 print("calling print in %d seconds\n", (int)webkitpdf.opt_delay);
311                 if (webkitpdf.opt_target_pdf != null) {
312                         GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => { 
313                                 print("delay done URL: %s\n", this.el.uri);
314                         
315                                  
316                                 this.printpdf();
317                                  return false;
318                         }, GLib.Priority.DEFAULT);
319                         return;
320                 }
321                         
322         
323         #if GTK3
324                 GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => { 
325                                 print("delay done URL: %s\n", this.el.uri);
326                                 this.printpng();        
327                                 return false;
328                         }, GLib.Priority.DEFAULT);
329                         return;
330         #else
331                         
332             GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => { 
333            
334                         
335                         // ----------------- JPEG 
336                         // resize the window...
337                         // window.document.documentElement.scrollHeight
338                         var scroll_height = (int) _this.view.el.get_dom_document().document_element.scroll_height;
339                         print("Scroll height %d\n", scroll_height);
340                         if (scroll_height> 1024 || webkitpdf.opt_width > 0  || webkitpdf.opt_height > 0  ) {
341                                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
342                                 var h = int.min(scroll_height, 6000);
343                                 _this.scrolled_window.el.set_size_request( w, h); 
344                                 _this.el.resize (w+50, h+50);
345                                 print("Resize to %d, %d\n", w,h);
346                             GLib.Timeout.add_seconds(webkitpdf.opt_delay > 0 ? webkitpdf.opt_delay : 1 , () => { 
347                                         this.printpng();
348                                         return false;
349                                   }, GLib.Priority.DEFAULT);
350                             return false;
351                         }
352                         this.printpng();                
353                         return false;
354                   }, GLib.Priority.DEFAULT);
355         
356         
357         #endif    
358             
359         }
360         public bool printpdf () {
361         
362         
363         
364                         var list = Gtk.PaperSize.get_paper_sizes(false);
365                     var psetup = new Gtk.PageSetup();
366                     for(var i = 0; i < list.length(); i++ ) {
367                         var entry = list.nth_data(i).copy();
368                         if (entry.get_name() == "iso_a2") {
369                             psetup.set_paper_size(entry);
370                         }
371                     }
372                     
373         
374         #if GTK3         
375         
376                         var  pe = new  WebKit.PrintOperation(this.el);
377                         pe.set_page_setup(psetup);
378                         pe.finished.connect( () => {
379                                 print("print completed\n");
380                     this.delete_cookiefile(); 
381                                  Gtk.main_quit();
382                         
383                         });
384                         
385                         var ps = new Gtk.PrintSettings();
386                     ps.set_printer("Print to File");
387                     ps.set("output-file-format", "pdf");
388                     ps.set("output-uri", "file://" + webkitpdf.opt_target_pdf);
389         
390                         
391                         pe.set_print_settings(ps);
392                         
393         
394                         pe.print();
395                                   
396         
397         #else       
398                         var  pe = new  Gtk.PrintOperation();
399                         pe.export_filename = webkitpdf.opt_target_pdf;
400                         print("got callback for print\n");
401                         pe.ref();
402                         /*pe.failed.connect(() => {
403                                 print("print failed\n");
404                                  Gtk.main_quit();
405                         
406                         })
407                         */;
408                          pe.done.connect(() => {
409                                 print("print completed\n");
410                     this.delete_cookiefile(); 
411                                  Gtk.main_quit();
412                         
413                         });
414                         
415                         //pe.run_dialog(_this.el);
416                  
417                         
418                         
419         
420         
421                     pe.set_default_page_setup(psetup);
422                     print("Calling Print?\n");
423                     //pe.run_dialog(_this.el);
424                     
425                     
426         
427         
428         
429                     try {
430                             this.el.get_main_frame().print_full(pe,Gtk.PrintOperationAction.EXPORT);
431                     } catch (Error e) {
432                                 // print failed...
433                         }
434         #endif      
435                     
436                      
437                         return false;
438         }
439         public void printpng () {
440             //var filename = "/tmp/test.pdf";
441             //print("load_changed %d ?= %d\n", le, LoadEvent.FINISHED);
442         
443             //if (le != LoadEvent.FINISHED) {
444             //    return;
445            // }
446            
447         // what size is the documet.
448         
449              print("making screenshot\n");
450         #if GTK3
451         GLib.MainLoop mainloop = new GLib.MainLoop();
452           _this.view.el.get_snapshot.begin(WebKit.SnapshotRegion.FULL_DOCUMENT, WebKit.SnapshotOptions.NONE, null, (obj, res) => {
453                          var sf = _this.view.el.get_snapshot.end(res);
454                          sf.write_to_png(webkitpdf.opt_target_png);
455                 print("Saved to %s\n", webkitpdf.opt_target_png);
456                          mainloop.quit();
457                          
458           });
459         
460                 mainloop.run();
461         
462         #else     
463             // fix vapi - get_snapshot add '?' to all null.
464             var pixmap = _this.view.el.get_snapshot( null );
465         
466             
467             
468             int w,h;
469             
470             // add out to gdkpixmap.get_size
471                 pixmap.get_size( out  w , out   h);
472                 var pixbuf  = Gdk.pixbuf_get_from_drawable(null, pixmap, null , 0, 0, 0, 0, w, h);
473                 print("pixbuf size: %d x %d\n ", w,h);
474                  
475             
476             
477              pixbuf.save(webkitpdf.opt_target_png, "png");
478              print("Saved to %s\n", webkitpdf.opt_target_png);
479             //view.get_snapshot.begin(WebKit.SnapshotRegion.FULL_DOCUMENT, WebKit.SnapshotOptions.NONE, null, (obj, res) => {
480             //    var sf = view.get_snapshot.end(res);
481         
482             //    sf.write_to_png(Browser.opt_target_png);
483             //});
484         #endif       
485            this.delete_cookiefile(); 
486            
487             Gtk.main_quit();
488              
489         
490             
491             
492         
493         }
494         public void delete_cookiefile () {
495                 if(this.cookie_file.length < 1 ){
496                         return;
497                 }
498             print("deleting tmp file %s\n",this.cookie_file);
499             File file = File.new_for_path (this.cookie_file);
500             try {
501                 if (file.query_exists () == true) {
502                    file.delete ();                   
503                 }
504             } catch (Error e) {
505                 stdout.printf ("Error: %s\n", e.message);
506             }
507         
508         }
509     }
510
511
512 }