Commit 6bb2491b authored by Christian Hergert's avatar Christian Hergert

html-preview: disable navigating away from preview

This is a rudimentary hack to avoid navigating away from the current page
while also allowing loading the external resources we need.

Related to #760
parent 5dd72316
......@@ -374,6 +374,7 @@ class HtmlPreviewPage(Ide.Page):
self.webview = WebKit2.WebView()
self.webview.props.expand = True
self.webview.connect('decide-policy', self.on_decide_policy_cb)
......@@ -395,6 +396,25 @@ class HtmlPreviewPage(Ide.Page):
def on_decide_policy_cb(self, webview, decision, decision_type):
"""Handle policy decisions from webview"""
if decision_type == WebKit2.PolicyDecisionType.NAVIGATION_ACTION:
# Don't allow navigating away from the current page
action = decision.get_navigation_action()
request = action.get_request()
uri = request.get_uri()
# print(">>> URI = ", uri)
if uri != self.document.get_file().get_uri() \
and 'gnome-builder-sphinx' not in uri:
return True
return False
def on_title_changed(self, buffer):
self.set_title("%s %s" % (buffer.dup_title(), _("(Preview)")))
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