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