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();
  25
  26         // my vars (dec)
  27         var child_0 = new Xcls_scrolled_window( _this );
  28         child_0.ref();
  29         this.el.add (  child_0.el  );
  30
  31         //listeners
  32         this.el.destroy.connect( () => {
  33             Gtk.main_quit();
  34         });
  35         this.el.show.connect( () => {
  36
  37                 print("resizing window\n");
  38                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
  39                 var h = webkitpdf.opt_height > 0 ?  webkitpdf.opt_height  :  500;
  40
  41
  42                 this.el.resize(w,h);
  43                 print("loading url\n");
  44                 this.view.el.load_uri(webkitpdf.opt_url);
  45
  46                 // if we have not finished in 25 seconds
  47                 // call printit...
  48                   GLib.Timeout.add_seconds(25, () => {
  49                                 _this.view.printit();
  50                                 return true;
  51                 });
  52
  53
  54         });
  55     }
  56
  57     // user defined functions
  58     public class Xcls_scrolled_window : Object
  59     {
  60         public Gtk.ScrolledWindow el;
  61         private BrowserWindow  _this;
  62
  63
  64             // my vars (def)
  65
  66         // ctor
  67         public Xcls_scrolled_window(BrowserWindow _owner )
  68         {
  69             _this = _owner;
  70             _this.scrolled_window = this;
  71             this.el = new Gtk.ScrolledWindow();
  72
  73             // my vars (dec)
  74             var child_0 = new Xcls_view( _this );
  75             child_0.ref();
  76             this.el.add (  child_0.el  );
  77
  78             // init method
  79
  80             {
  81                 this.el.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC);
  82             }
  83         }
  84
  85         // user defined functions
  86     }
  87     public class Xcls_view : Object
  88     {
  89         public WebKit.WebView el;
  90         private BrowserWindow  _this;
  91
  92
  93             // my vars (def)
  94
  95         // ctor
  96         public Xcls_view(BrowserWindow _owner )
  97         {
  98             _this = _owner;
  99             _this.view = this;
 100             this.el = new WebKit.WebView();
 101
 102             // my vars (dec)
 103
 104             //listeners
 105             this.el.mime_type_policy_decision_requested.connect( (p0, netreq, mimetype, pol ) => {
 106              //  print("resource response  %s, %s\n",    webres.get_mime_type(), netres.uri);
 107                 print("mimetype:  %s", mimetype);
 108              // netres.message.got_headers.connect(() => {
 109              //   print("GOT HEADERS?  [%s] : %s\n",
 110                 //  netres.message.request_headers.get_content_type(null),netres.uri);
 111                 //  });
 112
 113                 return true; // default behaviour..
 114
 115
 116             });
 117             this.el.resource_request_starting.connect( (p0, webres, netreq ) => {
 118               print("resource req. started %s\n", netreq.uri);
 119
 120             });
 121             this.el.load_finished.connect( ( ) => {
 122
 123                    this.printit();
 124
 125             });
 126         }
 127
 128         // user defined functions
 129         public void printit () {
 130            print("load_finsihed\n");
 131
 132            if (this.print_started) {
 133               print("load_finsihed - already printing..\n");
 134               return;
 135           }
 136
 137             this.print_started = true; // flag to stop double call.
 138
 139
 140                 // inject any javascript if needed..
 141                 if (webkitpdf.opt_inject_js != null) {
 142
 143                         print("injecting javascript files \n");
 144                         foreach(var inject_js in  webkitpdf.opt_inject_js) {
 145                         print("inject? %s\n", inject_js);
 146                                 string str;
 147                                 try {
 148                                         FileUtils.get_contents( inject_js, out str);
 149                                 } catch(FileError e) {
 150                                         print("Failed to inject %s\n",  inject_js);
 151                                         continue;
 152                                 }
 153                                 this.el.execute_script(str);
 154                         }
 155                 }
 156
 157
 158
 159                 print("calling print in %d seconds\n", (int)webkitpdf.opt_delay);
 160                 if (webkitpdf.opt_target_pdf != null) {
 161                         GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 162
 163                                 this.printpdf();
 164                                  return false;
 165                         }, GLib.Priority.DEFAULT);
 166                 }
 167
 168
 169             GLib.Timeout.add_seconds(webkitpdf.opt_delay, () => {
 170
 171
 172                         // ----------------- JPEG
 173                         // resize the window...
 174                         // window.document.documentElement.scrollHeight
 175                         var scroll_height = (int) _this.view.el.get_dom_document().document_element.scroll_height;
 176                         print("Scroll height %d\n", scroll_height);
 177                         if (scroll_height> 1024 || webkitpdf.opt_width > 0  || webkitpdf.opt_height > 0  ) {
 178                                 var w = webkitpdf.opt_width > 0 ?  webkitpdf.opt_width  : 1200;
 179                                 var h = int.min(scroll_height, 6000);
 180                                 _this.scrolled_window.el.set_size_request( w, h);
 181                                 _this.el.resize (w+50, h+50);
 182                                 print("Resize to %d, %d\n", w,h);
 183                             GLib.Timeout.add_seconds(webkitpdf.opt_delay > 0 ? webkitpdf.opt_delay : 1 , () => {
 184                                         this.printpng();
 185                                         return false;
 186                                   }, GLib.Priority.DEFAULT);
 187                             return false;
 188                         }
 189                         this.printpng();
 190                         return false;
 191                   }, GLib.Priority.DEFAULT);
 192
 193
 194
 195
 196         }
 197         public bool printpdf () {
 198
 199                         var  pe = new  Gtk.PrintOperation();
 200                         pe.export_filename = webkitpdf.opt_target_pdf;
 201                         print("got callback for print");
 202                         pe.ref();
 203                         /*pe.failed.connect(() => {
 204                                 print("print failed\n");
 205                                  Gtk.main_quit();
 206
 207                         })
 208                         */;
 209                          pe.done.connect(() => {
 210                                 print("print completed\n");
 211                                  Gtk.main_quit();
 212
 213                         });
 214
 215                         //pe.run_dialog(_this.el);
 216
 217
 218                     var list = Gtk.PaperSize.get_paper_sizes(false);
 219                     var psetup = new Gtk.PageSetup();
 220                     for(var i = 0; i < list.length(); i++ ) {
 221                         var entry = list.nth_data(i).copy();
 222                         if (entry.get_name() == "iso_a2") {
 223                             psetup.set_paper_size(entry);
 224                         }
 225                     }
 226
 227
 228
 229                     pe.set_default_page_setup(psetup);
 230                     print("Calling Print?\n");
 231                     //pe.run_dialog(_this.el);
 232                     try {
 233                             this.el.get_main_frame().print_full(pe,Gtk.PrintOperationAction.EXPORT);
 234                     } catch (Error e) {
 235                                 // print failed...
 236                         }
 237
 238
 239
 240                         return false;
 241         }
 242         public void printpng () {
 243             //var filename = "/tmp/test.pdf";
 244             //print("load_changed %d ?= %d\n", le, LoadEvent.FINISHED);
 245
 246             //if (le != LoadEvent.FINISHED) {
 247             //    return;
 248            // }
 249
 250         // what size is the documet.
 251
 252              print("making screenshot\n");
 253
 254             // fix vapi - get_snapshot add '?' to all null.
 255             var pixmap = _this.view.el.get_snapshot( null );
 256
 257
 258
 259             int w,h;
 260
 261             // add out to gdkpixmap.get_size
 262                 pixmap.get_size( out  w , out   h);
 263                 var pixbuf  = Gdk.pixbuf_get_from_drawable(null, pixmap, null , 0, 0, 0, 0, w, h);
 264                 print("pixbuf size: %d x %d\n ", w,h);
 265
 266
 267
 268              pixbuf.save(webkitpdf.opt_target_png, "png");
 269              print("Saved to %s\n", webkitpdf.opt_target_png);
 270             //view.get_snapshot.begin(WebKit.SnapshotRegion.FULL_DOCUMENT, WebKit.SnapshotOptions.NONE, null, (obj, res) => {
 271             //    var sf = view.get_snapshot.end(res);
 272
 273             //    sf.write_to_png(Browser.opt_target_png);
 274             //});
 275             Gtk.main_quit();
 276
 277
 278
 279
 280
 281         }
 282     }
 283
 284
 285 }