Creating files {dom,editor}.{c,h}; fixing segfault after leaving a site when editor is closed

1 files changed, 121 insertions, 0 deletions

diff --git a/src/dom.c b/src/dom.c
new file mode 100644
index 00000000..60885d51
--- /dev/null
+++ b/src/dom.c
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2010-2013 Stefan Bolte <portix@gmx.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <string.h>
+#include "dwb.h"
+
+gboolean
+dom_add_frame_listener(WebKitWebFrame *frame, const char *signal, GCallback callback, gboolean bubble, GList *gl) 
+{
+    char *framesrc, *tagname;
+    gboolean ret = false;
+    WebKitDOMDOMWindow *win;
+    WebKitDOMNode *node;
+    WebKitWebView *wv = webkit_web_frame_get_web_view(frame);
+    WebKitDOMDocument *doc = webkit_web_view_get_dom_document(wv);
+    const char *src = webkit_web_frame_get_uri(frame);
+    if (g_strcmp0(src, "about:blank")) 
+    {
+        /* We have to find the correct frame, but there is no access from the web_frame
+         * to the Htmlelement */
+        WebKitDOMNodeList *frames = webkit_dom_document_query_selector_all(doc, "iframe, frame", NULL);
+        for (guint i=0; i<webkit_dom_node_list_get_length(frames) && ret == false; i++) 
+        {
+            node = webkit_dom_node_list_item(frames, i);
+            tagname = webkit_dom_node_get_node_name(node);
+            if (!g_ascii_strcasecmp(tagname, "iframe")) 
+            {
+                framesrc = webkit_dom_html_iframe_element_get_src(WEBKIT_DOM_HTML_IFRAME_ELEMENT(node));
+                win = webkit_dom_html_iframe_element_get_content_window(WEBKIT_DOM_HTML_IFRAME_ELEMENT(node));
+            }
+            else 
+            {
+                framesrc = webkit_dom_html_frame_element_get_src(WEBKIT_DOM_HTML_FRAME_ELEMENT(node));
+                win = webkit_dom_html_frame_element_get_content_window(WEBKIT_DOM_HTML_FRAME_ELEMENT(node));
+            }
+            if (!g_strcmp0(src, framesrc)) 
+                ret = webkit_dom_event_target_add_event_listener(WEBKIT_DOM_EVENT_TARGET(win), signal, callback, true, gl);
+
+            g_free(framesrc);
+        }
+        g_object_unref(frames);
+    }
+    return ret;
+}
+
+/* dwb_get_editable(WebKitDOMElement *) {{{*/
+gboolean
+dom_get_editable(WebKitDOMElement *element) 
+{
+    if (element == NULL)
+        return false;
+
+    char *tagname = webkit_dom_node_get_node_name(WEBKIT_DOM_NODE(element));
+    if (tagname == NULL)
+        return false;
+    if (!strcasecmp(tagname, "INPUT")) 
+    {
+        char *type = webkit_dom_element_get_attribute((void*)element, "type");
+        if (!g_strcmp0(type, "text") || !g_strcmp0(type, "search")|| !g_strcmp0(type, "password")) 
+            return true;
+    }
+    else if (!strcasecmp(tagname, "TEXTAREA")) 
+        return true;
+
+    return false;
+}/*}}}*/
+
+/* dom_get_active_element(WebKitDOMDocument )  {{{*/
+WebKitDOMElement *
+dom_get_active_element(WebKitDOMDocument *doc) 
+{
+    WebKitDOMElement *ret = NULL;
+    WebKitDOMDocument *d = NULL;
+
+    WebKitDOMElement *active = webkit_dom_html_document_get_active_element((void*)doc);
+    char *tagname = webkit_dom_element_get_tag_name(active);
+
+    if (! g_strcmp0(tagname, "FRAME")) 
+    {
+        d = webkit_dom_html_frame_element_get_content_document(WEBKIT_DOM_HTML_FRAME_ELEMENT(active));
+        ret = dom_get_active_element(d);
+    }
+    else if (! g_strcmp0(tagname, "IFRAME")) 
+    {
+        d = webkit_dom_html_iframe_element_get_content_document(WEBKIT_DOM_HTML_IFRAME_ELEMENT(active));
+        ret = dom_get_active_element(d);
+    }
+    else 
+        ret = active;
+
+    return ret;
+}/*}}}*/
+
+
+/* dwb_dom_remove_from_parent(WebKitDOMNode *node, GError **error) {{{*/
+gboolean 
+dom_remove_from_parent(WebKitDOMNode *node, GError **error) 
+{
+    WebKitDOMNode *parent = webkit_dom_node_get_parent_node(node);
+    if (parent != NULL) 
+    {
+        webkit_dom_node_remove_child(parent, node, error);
+        return true;
+    }
+    return false;
+}/*}}}*/