// active_element_change_cb is called when the active element is changed, and
// updates bookkeeping and the main process.
static void
active_element_change_cb(WebKitDOMEventTarget *target,
WebKitDOMEvent *event,
gpointer user_data)
{
Exten *exten = user_data;
WebKitDOMDocument *document;
if(WEBKIT_DOM_IS_DOCUMENT(target)) {
document = WEBKIT_DOM_DOCUMENT(target);
} else {
// target is a window.
g_object_get(target, "document", &document, NULL);
}
WebKitDOMElement *active = webkit_dom_document_get_active_element(document);
if(active == NULL || active == exten->active) {
return;
}
if(WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT(active)) {
// The iframe document handles this, unless it isn't registered yet.
// In this case, register it and call recursively.
WebKitDOMDocument *doc =
webkit_dom_html_iframe_element_get_content_document(
WEBKIT_DOM_HTML_IFRAME_ELEMENT(active));
if(!g_hash_table_contains(exten->registered_documents, doc)) {
frame_document_loaded(doc, exten);
active_element_change_cb(
WEBKIT_DOM_EVENT_TARGET(doc),
NULL,
exten);
}
return;
}
exten->active = active;
exten->scroll_target = get_scroll_target(active);
// Check whether the currently active element is an input element.
// If this has changed, signal DBus.
//
// Input elements:
//
// WebKitDOMHTMLAppletElement
// WebKitDOMHTMLEmbedElement
// WebKitDOMHTMLInputElement
// WebKitDOMHTMLTextAreaElement
gboolean input_focus = (
WEBKIT_DOM_IS_HTML_APPLET_ELEMENT(active) ||
WEBKIT_DOM_IS_HTML_EMBED_ELEMENT(active) ||
WEBKIT_DOM_IS_HTML_INPUT_ELEMENT(active) ||
WEBKIT_DOM_IS_HTML_TEXT_AREA_ELEMENT(active));
if(input_focus != exten->last_input_focus) {
exten->last_input_focus = input_focus;
input_focus_changed(
exten->page_id,
input_focus,
exten);
}
}
/**
* Callback called if a editable element changes it focus state.
* Event target may be a WebKitDOMDocument (in case of iframe) or a
* WebKitDOMDOMWindow.
*/
static void on_editable_change_focus(WebKitDOMEventTarget *target,
WebKitDOMEvent *event, WebKitWebPage *page)
{
WebKitDOMDocument *doc;
WebKitDOMDOMWindow *dom_window;
WebKitDOMElement *active;
GVariant *variant;
char *message;
if (WEBKIT_DOM_IS_DOM_WINDOW(target)) {
g_object_get(target, "document", &doc, NULL);
} else {
/* target is a doc document */
doc = WEBKIT_DOM_DOCUMENT(target);
}
dom_window = webkit_dom_document_get_default_view(doc);
if (!dom_window) {
return;
}
active = webkit_dom_document_get_active_element(doc);
/* Don't do anything if there is no active element */
if (!active) {
return;
}
if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT(active)) {
WebKitDOMHTMLIFrameElement *iframe;
WebKitDOMDocument *subdoc;
iframe = WEBKIT_DOM_HTML_IFRAME_ELEMENT(active);
subdoc = webkit_dom_html_iframe_element_get_content_document(iframe);
add_onload_event_observers(subdoc, page);
return;
}
/* Check if the active element is an editable element. */
variant = g_variant_new("(tb)", webkit_web_page_get_id(page),
ext_dom_is_editable(active));
message = g_variant_print(variant, FALSE);
g_variant_unref(variant);
if (!webkit_dom_dom_window_webkit_message_handlers_post_message(dom_window, "focus", message)) {
g_warning("Error sending focus message");
}
g_free(message);
g_object_unref(dom_window);
}
// adblock_before_load_cb is triggered when
static void
adblock_before_load_cb(WebKitDOMEventTarget *doc,
WebKitDOMEvent *event,
gpointer user_data)
{
WebKitDOMEventTarget *target = webkit_dom_event_get_target(event);
guint64 flags = 0;
gchar *uri = NULL;
if(WEBKIT_DOM_IS_HTML_LINK_ELEMENT(target)) {
WebKitDOMHTMLLinkElement *e = WEBKIT_DOM_HTML_LINK_ELEMENT(target);
gboolean isCSS = 0;
isCSS |= g_strcmp0(
webkit_dom_html_link_element_get_rel(e),
"stylesheet") == 0;
isCSS |= g_strcmp0(
webkit_dom_html_link_element_get_type_attr(e),
"text/css") == 0;
if(!isCSS) {
return;
}
uri = webkit_dom_html_link_element_get_href(e);
flags |= ADBLOCK_STYLE_SHEET;
} else if(WEBKIT_DOM_IS_HTML_OBJECT_ELEMENT(target)) {
WebKitDOMHTMLObjectElement *e = WEBKIT_DOM_HTML_OBJECT_ELEMENT(target);
uri = webkit_dom_html_object_element_get_data(e);
flags |= ADBLOCK_OBJECT;
} else if(WEBKIT_DOM_IS_HTML_EMBED_ELEMENT(target)) {
WebKitDOMHTMLEmbedElement *e = WEBKIT_DOM_HTML_EMBED_ELEMENT(target);
uri = webkit_dom_html_embed_element_get_src(e);
flags |= ADBLOCK_OBJECT;
} else if(WEBKIT_DOM_IS_HTML_IMAGE_ELEMENT(target)) {
WebKitDOMHTMLImageElement *e = WEBKIT_DOM_HTML_IMAGE_ELEMENT(target);
uri = webkit_dom_html_image_element_get_src(e);
flags |= ADBLOCK_IMAGE;
} else if(WEBKIT_DOM_IS_HTML_SCRIPT_ELEMENT(target)) {
WebKitDOMHTMLScriptElement *e = WEBKIT_DOM_HTML_SCRIPT_ELEMENT(target);
uri = webkit_dom_html_script_element_get_src(e);
flags |= ADBLOCK_SCRIPT;
} else if(WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT(target)) {
WebKitDOMHTMLIFrameElement *e = WEBKIT_DOM_HTML_IFRAME_ELEMENT(target);
uri = webkit_dom_html_iframe_element_get_src(e);
flags |= ADBLOCK_SUBDOCUMENT;
if(uri_is_blocked(uri, flags, user_data)) {
webkit_dom_event_prevent_default(event);
} else {
frame_document_loaded(
webkit_dom_html_iframe_element_get_content_document(e),
user_data);
}
g_free(uri);
return;
}
if(uri == NULL) {
return;
}
if(uri_is_blocked(uri, flags, user_data)) {
webkit_dom_event_prevent_default(event);
}
g_free(uri);
}
int
dom_is_input(struct tab *t, WebKitDOMElement **active)
{
WebKitDOMDocument *doc;
WebKitDOMElement *a;
WebKitDOMHTMLFrameElement *frame;
WebKitDOMHTMLIFrameElement *iframe;
/* proof positive that OO is stupid */
doc = webkit_web_view_get_dom_document(t->wv);
/* unwind frames and iframes until the cows come home */
for (;;) {
a = webkit_dom_html_document_get_active_element(
(WebKitDOMHTMLDocument*)doc);
if (a == NULL)
return (0);
/*
* I think this is a total hack because this property isn't
* set for textareas or input however, it is set for jquery
* textareas that do rich text. Since this works around issues
* in RT we'll simply keep it!
*
* This might break some other stuff but for now it helps.
*/
if (webkit_dom_html_element_get_is_content_editable(
(WebKitDOMHTMLElement*)a)) {
*active = a;
return (1);
}
frame = (WebKitDOMHTMLFrameElement *)a;
if (WEBKIT_DOM_IS_HTML_FRAME_ELEMENT(frame)) {
doc = webkit_dom_html_frame_element_get_content_document(
frame);
continue;
}
iframe = (WebKitDOMHTMLIFrameElement *)a;
if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT(iframe)) {
doc = webkit_dom_html_iframe_element_get_content_document(
iframe);
continue;
}
break;
}
if (a == NULL)
return (0);
if (WEBKIT_DOM_IS_HTML_INPUT_ELEMENT((WebKitDOMNode *)a) ||
WEBKIT_DOM_IS_HTML_TEXT_AREA_ELEMENT((WebKitDOMNode *)a)) {
*active = a;
return (1);
}
return (0);
}
