git.roojs.org Git - app.webkitpdf/blob - 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                 print("loading url\n");
  46                 this.view.el.load_uri(webkitpdf.opt_url);
  47
  48                 // if we have not finished in 25 seconds
  49                 // call printit...
  50                   GLib.Timeout.add_seconds(25, () => {
  51                         print("Calling printit - timeout 25 seconds");
  52                                 _this.view.printit();
  53                                 return true;
  54                 });
  55
  56
  57         });
  58     }
  59
  60     // user defined functions
  61     public class Xcls_scrolled_window : Object
  62     {
  63         public Gtk.ScrolledWindow el;
  64         private BrowserWindow  _this;
  65
  66
  67             // my vars (def)
  68
  69         // ctor
  70         public Xcls_scrolled_window(BrowserWindow _owner )
  71         {
  72             _this = _owner;
  73             _this.scrolled_window = this;
  74             this.el = new Gtk.ScrolledWindow( null, null );
  75
  76             // my vars (dec)
  77
  78             // set gobject values
  79             var child_0 = new Xcls_view( _this );
  80             child_0.ref();
  81             this.el.add (  child_0.el  );
  82
  83             // init method
  84
  85             {
  86                 this.el.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC);
  87             }
  88         }
  89
  90         // user defined functions
  91     }
  92     public class Xcls_view : Object
  93     {
  94         public WebKit.WebView el;
  95         private BrowserWindow  _this;
  96
  97
  98             // my vars (def)
  99         public bool print_started;
 100
 101         // ctor
 102         public Xcls_view(BrowserWindow _owner )
 103         {
 104             _this = _owner;
 105             _this.view = this;
 106             this.el = new WebKit.WebView();
 107
 108             // my vars (dec)
 109             this.print_started = false;
 110
 111             // set gobject values
 112
 113             // init method
 114
 115             {
 116             #if GTK3
 117                          this.el.load_changed.connect( (ev ) => {
 118                                         if (ev == WebKit.LoadEvent.FINISHED) {
 119                                    this.printit();
 120                                }
 121
 122                         });
 123
 124             #else
 125              //listeners
 126                       //  this.el.resource_request_starting.connect( (p0, webres, netreq ) => {
 127                         //  print("resource req. started %s\n", netreq.uri);
 128
 129                       //  });
 130
 131                         this.el.load_finished.connect( ( ) => {
 132
 133                                this.printit();
 134
 135                         });
 136             #endif
 137             }
 138         }
 139
 140         // user defined functions
 141         public void printit () {
 142            print("load_finsihed\n");
 143
 144            if (this.print_started) {
 145               print("load_finsihed - already printing..\n");
 146               return;
 147           }
 148
 149             this.print_started = true; // flag to stop double call.
 150
 151
 152                 // inject any javascript if needed..
 153                 if (webkitpdf.opt_inject_js != null) {
 154
 155                         print("injecting javascript files \n");
 156                         foreach(var inject_js in  webkitpdf.opt_inject_js) {
 157                         print("inject? %s\n", inject_js);
 158                                 string str;
 159                                 try {
 160                                         FileUtils.get_contents( inject_js, out str);
 161                                 } catch(FileError e) {
 162                                         print("Failed to inject %s\n",  inject_js);
 163                                         continue;
 164                                 }
 165         #if GTK3
 166                                 GLib.MainLoop mainloop = new GLib.MainLoop();
 167                                 this.el.run_javascript.begin(str, null, (obj,res) => {
 168                                         mainloop.quit();
 169                                 });
 170                                 mainloop.run();
 171
 172         #else
 173                                 this.el.execute_script(str);
 174         #endif
 175                         }
 176                 }
 177
 178
 179
 180                 print("calling print in %d seconds\n", (int)webkitpdf.opt_delay);
 181                 if (webkitpdf.opt_target_pdf != null) {
 182                         GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 183
 184                                 this.printpdf();
 185                                  return false;
 186                         }, GLib.Priority.DEFAULT);
 187                         return;
 188                 }
 189
 190
 191         #if GTK3
 192                 print("PNG not supported in webkit2\n");
 193                 return;
 194         #else
 195
 196             GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 197
 198
 199                         // ----------------- JPEG
 200                         // resize the window...
 201                         // window.document.documentElement.scrollHeight
 202                         var scroll_height = (int) _this.view.el.get_dom_document().document_element.scroll_height;
 203                         print("Scroll height %d\n", scroll_height);
 204                         if (scroll_height> 1024 || webkitpdf.opt_width > 0  || webkitpdf.opt_height > 0  ) {
 205                                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
 206                                 var h = int.min(scroll_height, 6000);
 207                                 _this.scrolled_window.el.set_size_request( w, h);
 208                                 _this.el.resize (w+50, h+50);
 209                                 print("Resize to %d, %d\n", w,h);
 210                             GLib.Timeout.add_seconds(webkitpdf.opt_delay > 0 ? webkitpdf.opt_delay : 1 , () => {
 211                                         this.printpng();
 212                                         return false;
 213                                   }, GLib.Priority.DEFAULT);
 214                             return false;
 215                         }
 216                         this.printpng();
 217                         return false;
 218                   }, GLib.Priority.DEFAULT);
 219
 220
 221         #endif
 222
 223         }
 224         public bool printpdf () {
 225
 226
 227
 228                         var list = Gtk.PaperSize.get_paper_sizes(false);
 229                     var psetup = new Gtk.PageSetup();
 230                     for(var i = 0; i < list.length(); i++ ) {
 231                         var entry = list.nth_data(i).copy();
 232                         if (entry.get_name() == "iso_a2") {
 233                             psetup.set_paper_size(entry);
 234                         }
 235                     }
 236
 237
 238         #if GTK3
 239
 240                         var  pe = new  WebKit.PrintOperation(this.el);
 241                         pe.set_page_setup(psetup);
 242                         pe.finished.connect( () => {
 243                                 print("print completed\n");
 244                                  Gtk.main_quit();
 245
 246                         });
 247
 248                         var ps = new Gtk.PrintSettings();
 249                     ps.set_printer("Print to File");
 250                     ps.set("output-file-format", "pdf");
 251                     ps.set("output-uri", "file://" + webkitpdf.opt_target_pdf);
 252
 253
 254                         pe.set_print_settings(ps);
 255
 256
 257                         pe.print();
 258
 259
 260         #else
 261                         var  pe = new  Gtk.PrintOperation();
 262                         pe.export_filename = webkitpdf.opt_target_pdf;
 263                         print("got callback for print\n");
 264                         pe.ref();
 265                         /*pe.failed.connect(() => {
 266                                 print("print failed\n");
 267                                  Gtk.main_quit();
 268
 269                         })
 270                         */;
 271                          pe.done.connect(() => {
 272                                 print("print completed\n");
 273                                  Gtk.main_quit();
 274
 275                         });
 276
 277                         //pe.run_dialog(_this.el);
 278
 279
 280
 281
 282
 283                     pe.set_default_page_setup(psetup);
 284                     print("Calling Print?\n");
 285                     //pe.run_dialog(_this.el);
 286
 287
 288
 289                         this.el.print(pe);
 290
 291
 292                     try {
 293                             this.el.get_main_frame().print_full(pe,Gtk.PrintOperationAction.EXPORT);
 294                     } catch (Error e) {
 295                                 // print failed...
 296                         }
 297         #endif
 298
 299
 300                         return false;
 301         }
 302         public void printpng () {
 303             //var filename = "/tmp/test.pdf";
 304             //print("load_changed %d ?= %d\n", le, LoadEvent.FINISHED);
 305
 306             //if (le != LoadEvent.FINISHED) {
 307             //    return;
 308            // }
 309
 310         // what size is the documet.
 311
 312              print("making screenshot\n");
 313         #if GTK3
 314
 315         #else
 316             // fix vapi - get_snapshot add '?' to all null.
 317             var pixmap = _this.view.el.get_snapshot( null );
 318
 319
 320
 321             int w,h;
 322
 323             // add out to gdkpixmap.get_size
 324                 pixmap.get_size( out  w , out   h);
 325                 var pixbuf  = Gdk.pixbuf_get_from_drawable(null, pixmap, null , 0, 0, 0, 0, w, h);
 326                 print("pixbuf size: %d x %d\n ", w,h);
 327
 328
 329
 330              pixbuf.save(webkitpdf.opt_target_png, "png");
 331              print("Saved to %s\n", webkitpdf.opt_target_png);
 332             //view.get_snapshot.begin(WebKit.SnapshotRegion.FULL_DOCUMENT, WebKit.SnapshotOptions.NONE, null, (obj, res) => {
 333             //    var sf = view.get_snapshot.end(res);
 334
 335             //    sf.write_to_png(Browser.opt_target_png);
 336             //});
 337             Gtk.main_quit();
 338
 339         #endif
 340
 341
 342
 343         }
 344     }
 345
 346
 347 }