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                 var cd = 25;
  51                   GLib.Timeout.add_seconds(1, () => {
  52                         cd--;
  53                         print("timeout 25 seconds :%d", cd);
  54                         if (cd < 1) {
  55                                 print("calling printit - timed out", cd);
  56                                 _this.view.printit();
  57                                 return true;
  58                         }
  59                         return false;
  60
  61                 });
  62
  63
  64         });
  65     }
  66
  67     // user defined functions
  68     public class Xcls_scrolled_window : Object
  69     {
  70         public Gtk.ScrolledWindow el;
  71         private BrowserWindow  _this;
  72
  73
  74             // my vars (def)
  75
  76         // ctor
  77         public Xcls_scrolled_window(BrowserWindow _owner )
  78         {
  79             _this = _owner;
  80             _this.scrolled_window = this;
  81             this.el = new Gtk.ScrolledWindow( null, null );
  82
  83             // my vars (dec)
  84
  85             // set gobject values
  86             var child_0 = new Xcls_view( _this );
  87             child_0.ref();
  88             this.el.add (  child_0.el  );
  89
  90             // init method
  91
  92             {
  93                 this.el.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC);
  94             }
  95         }
  96
  97         // user defined functions
  98     }
  99     public class Xcls_view : Object
 100     {
 101         public WebKit.WebView el;
 102         private BrowserWindow  _this;
 103
 104
 105             // my vars (def)
 106         public bool print_started;
 107
 108         // ctor
 109         public Xcls_view(BrowserWindow _owner )
 110         {
 111             _this = _owner;
 112             _this.view = this;
 113             this.el = new WebKit.WebView();
 114
 115             // my vars (dec)
 116             this.print_started = false;
 117
 118             // set gobject values
 119
 120             // init method
 121
 122             {
 123             #if GTK3
 124                          this.el.load_changed.connect( (ev ) => {
 125                                         if (ev == WebKit.LoadEvent.FINISHED) {
 126                                    this.printit();
 127                                }
 128
 129                         });
 130
 131             #else
 132              //listeners
 133                       //  this.el.resource_request_starting.connect( (p0, webres, netreq ) => {
 134                         //  print("resource req. started %s\n", netreq.uri);
 135
 136                       //  });
 137
 138                         this.el.load_finished.connect( ( ) => {
 139
 140                                this.printit();
 141
 142                         });
 143             #endif
 144             }
 145         }
 146
 147         // user defined functions
 148         public void printit () {
 149            print("load_finsihed\n");
 150
 151            if (this.print_started) {
 152               print("load_finsihed - already printing..\n");
 153               return;
 154           }
 155
 156             this.print_started = true; // flag to stop double call.
 157
 158
 159                 // inject any javascript if needed..
 160                 if (webkitpdf.opt_inject_js != null) {
 161
 162                         print("injecting javascript files \n");
 163                         foreach(var inject_js in  webkitpdf.opt_inject_js) {
 164                         print("inject? %s\n", inject_js);
 165                                 string str;
 166                                 try {
 167                                         FileUtils.get_contents( inject_js, out str);
 168                                 } catch(FileError e) {
 169                                         print("Failed to inject %s\n",  inject_js);
 170                                         continue;
 171                                 }
 172         #if GTK3
 173                                 GLib.MainLoop mainloop = new GLib.MainLoop();
 174                                 this.el.run_javascript.begin(str, null, (obj,res) => {
 175                                         mainloop.quit();
 176                                 });
 177                                 mainloop.run();
 178
 179         #else
 180                                 this.el.execute_script(str);
 181         #endif
 182                         }
 183                 }
 184
 185
 186
 187                 print("calling print in %d seconds\n", (int)webkitpdf.opt_delay);
 188                 if (webkitpdf.opt_target_pdf != null) {
 189                         GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 190
 191                                 this.printpdf();
 192                                  return false;
 193                         }, GLib.Priority.DEFAULT);
 194                         return;
 195                 }
 196
 197
 198         #if GTK3
 199                 print("PNG not supported in webkit2\n");
 200                 return;
 201         #else
 202
 203             GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 204
 205
 206                         // ----------------- JPEG
 207                         // resize the window...
 208                         // window.document.documentElement.scrollHeight
 209                         var scroll_height = (int) _this.view.el.get_dom_document().document_element.scroll_height;
 210                         print("Scroll height %d\n", scroll_height);
 211                         if (scroll_height> 1024 || webkitpdf.opt_width > 0  || webkitpdf.opt_height > 0  ) {
 212                                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
 213                                 var h = int.min(scroll_height, 6000);
 214                                 _this.scrolled_window.el.set_size_request( w, h);
 215                                 _this.el.resize (w+50, h+50);
 216                                 print("Resize to %d, %d\n", w,h);
 217                             GLib.Timeout.add_seconds(webkitpdf.opt_delay > 0 ? webkitpdf.opt_delay : 1 , () => {
 218                                         this.printpng();
 219                                         return false;
 220                                   }, GLib.Priority.DEFAULT);
 221                             return false;
 222                         }
 223                         this.printpng();
 224                         return false;
 225                   }, GLib.Priority.DEFAULT);
 226
 227
 228         #endif
 229
 230         }
 231         public bool printpdf () {
 232
 233
 234
 235                         var list = Gtk.PaperSize.get_paper_sizes(false);
 236                     var psetup = new Gtk.PageSetup();
 237                     for(var i = 0; i < list.length(); i++ ) {
 238                         var entry = list.nth_data(i).copy();
 239                         if (entry.get_name() == "iso_a2") {
 240                             psetup.set_paper_size(entry);
 241                         }
 242                     }
 243
 244
 245         #if GTK3
 246
 247                         var  pe = new  WebKit.PrintOperation(this.el);
 248                         pe.set_page_setup(psetup);
 249                         pe.finished.connect( () => {
 250                                 print("print completed\n");
 251                                  Gtk.main_quit();
 252
 253                         });
 254
 255                         var ps = new Gtk.PrintSettings();
 256                     ps.set_printer("Print to File");
 257                     ps.set("output-file-format", "pdf");
 258                     ps.set("output-uri", "file://" + webkitpdf.opt_target_pdf);
 259
 260
 261                         pe.set_print_settings(ps);
 262
 263
 264                         pe.print();
 265
 266
 267         #else
 268                         var  pe = new  Gtk.PrintOperation();
 269                         pe.export_filename = webkitpdf.opt_target_pdf;
 270                         print("got callback for print\n");
 271                         pe.ref();
 272                         /*pe.failed.connect(() => {
 273                                 print("print failed\n");
 274                                  Gtk.main_quit();
 275
 276                         })
 277                         */;
 278                          pe.done.connect(() => {
 279                                 print("print completed\n");
 280                                  Gtk.main_quit();
 281
 282                         });
 283
 284                         //pe.run_dialog(_this.el);
 285
 286
 287
 288
 289
 290                     pe.set_default_page_setup(psetup);
 291                     print("Calling Print?\n");
 292                     //pe.run_dialog(_this.el);
 293
 294
 295
 296
 297
 298                     try {
 299                             this.el.get_main_frame().print_full(pe,Gtk.PrintOperationAction.EXPORT);
 300                     } catch (Error e) {
 301                                 // print failed...
 302                         }
 303         #endif
 304
 305
 306                         return false;
 307         }
 308         public void printpng () {
 309             //var filename = "/tmp/test.pdf";
 310             //print("load_changed %d ?= %d\n", le, LoadEvent.FINISHED);
 311
 312             //if (le != LoadEvent.FINISHED) {
 313             //    return;
 314            // }
 315
 316         // what size is the documet.
 317
 318              print("making screenshot\n");
 319         #if GTK3
 320
 321         #else
 322             // fix vapi - get_snapshot add '?' to all null.
 323             var pixmap = _this.view.el.get_snapshot( null );
 324
 325
 326
 327             int w,h;
 328
 329             // add out to gdkpixmap.get_size
 330                 pixmap.get_size( out  w , out   h);
 331                 var pixbuf  = Gdk.pixbuf_get_from_drawable(null, pixmap, null , 0, 0, 0, 0, w, h);
 332                 print("pixbuf size: %d x %d\n ", w,h);
 333
 334
 335
 336              pixbuf.save(webkitpdf.opt_target_png, "png");
 337              print("Saved to %s\n", webkitpdf.opt_target_png);
 338             //view.get_snapshot.begin(WebKit.SnapshotRegion.FULL_DOCUMENT, WebKit.SnapshotOptions.NONE, null, (obj, res) => {
 339             //    var sf = view.get_snapshot.end(res);
 340
 341             //    sf.write_to_png(Browser.opt_target_png);
 342             //});
 343             Gtk.main_quit();
 344
 345         #endif
 346
 347
 348
 349         }
 350     }
 351
 352
 353 }