Ticket #4011: 0001-Show-error-page-when-downloading-a-PDF-fails-SL-4011.patch

new file icons/activity-web.svg

@@ +1 @@
+<?xml version="1.0" ?><!DOCTYPE svg  PUBLIC '-//W3C//DTD SVG 1.1//EN'  'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd' [
+        <!ENTITY stroke_color "#010101">
+        <!ENTITY fill_color "#FFFFFF">
+]><svg enable-background="new 0 0 55 55" height="55px" version="1.1" viewBox="0 0 55 55" width="55px" x="0px" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" y="0px"><g display="block" id="activity-browse">
+        <circle cx="27.375" cy="27.5" display="inline" fill="&fill_color;" r="19.903" stroke="&stroke_color;" stroke-width="3.5"/>
+        <g display="inline">
+                <path d="M27.376,7.598c0,0-11.205,8.394-11.205,19.976    c0,11.583,11.205,19.829,11.205,19.829" fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5"/>
+                <path d="M27.376,7.598c0,0,11.066,9.141,11.066,19.976    c0,10.839-11.066,19.829-11.066,19.829" fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5"/>
+                <line fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" x1="27.376" x2="27.376" y1="7.598" y2="47.402"/>
+                <line fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" x1="27.376" x2="27.376" y1="7.598" y2="47.402"/>
+                <line fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" x1="27.376" x2="27.376" y1="7.598" y2="47.402"/>
+                <line fill="&fill_color;" stroke="&stroke_color;" stroke-width="3.5" x1="7.472" x2="47.278" y1="27.5" y2="27.5"/>
+        </g>
+</g></svg>
+

pdfviewer.py

@@ -345 +345 @@
         button.show()
 
 
+class PDFErrorMessageBox(Gtk.EventBox):
+    def __init__(self, title, message, button_callback):
+        Gtk.EventBox.__init__(self)
+
+        self.modify_bg(Gtk.StateType.NORMAL,
+                       style.COLOR_WHITE.get_gdk_color())
+
+        alignment = Gtk.Alignment.new(0.5, 0.5, 0.1, 0.1)
+        self.add(alignment)
+        alignment.show()
+
+        box = Gtk.VBox()
+        alignment.add(box)
+        box.show()
+
+        icon = Icon(pixel_size=style.LARGE_ICON_SIZE,
+                    icon_name='activity-web',
+                    stroke_color=style.COLOR_BUTTON_GREY.get_svg(),
+                    fill_color=style.COLOR_TRANSPARENT.get_svg())
+
+        box.pack_start(icon, expand=True, fill=False, padding=0)
+        icon.show()
+
+        color = style.COLOR_BUTTON_GREY.get_html()
+
+        label = Gtk.Label()
+        label.set_markup('<span weight="bold" color="%s">%s</span>' % ( \
+                color, GLib.markup_escape_text(title)))
+        box.pack_start(label, expand=True, fill=False, padding=0)
+        label.show()
+
+        label = Gtk.Label()
+        label.set_markup('<span color="%s">%s</span>' % ( \
+                color, GLib.markup_escape_text(message)))
+        box.pack_start(label, expand=True, fill=False, padding=0)
+        label.show()
+
+        button_box = Gtk.HButtonBox()
+        button_box.set_layout(Gtk.ButtonBoxStyle.CENTER)
+        box.pack_start(button_box, False, True, 0)
+        button_box.show()
+
+        button = Gtk.Button(label=_('Try again'))
+        button.connect('clicked', button_callback)
+        button.props.image = Icon(icon_name='entry-refresh',
+                                  icon_size=Gtk.IconSize.BUTTON,
+                                  stroke_color=style.COLOR_WHITE.get_svg(),
+                                  fill_color=style.COLOR_TRANSPARENT.get_svg())
+        button_box.pack_start(button, expand=True, fill=False, padding=0)
+        button.show()
+
+
 class PDFTabPage(Gtk.HBox):
     """Shows a basic PDF viewer, download the file first if the PDF is
     in a remote location.
@@ -475 +527 @@
     def __download_error_cb(self, download, err_code, err_detail, reason):
         logging.debug('Download error! code %s, detail %s: %s' % \
                           (err_code, err_detail, reason))
+        title = _('This web page could not be loaded')
+        self._browser.props.title = title
+
+        if self._message_box is not None:
+            self.remove(self._message_box)
+
+        self._message_box = PDFErrorMessageBox(
+            title=title,
+            message=_('This PDF could not be loaded. Please '
+                      'make sure you are connected to the internet.'),
+            button_callback=self.reload)
+        self.pack_start(self._message_box, True, True, 0)
+        self._message_box.show()
+
+    def reload(self, button=None):
+        self.remove(self._message_box)
+        self._message_box = None
+        self.setup(self._requested_uri)
 
     def close_tab(self, button=None):
         self._browser.emit_close_tab()