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authormiguel <miguel@localhost>2018-03-15 23:36:59 +0100
committermiguel <miguel@localhost>2018-03-15 23:36:59 +0100
commit54e06e03aad71888b3b05a1c249b170f3856da69 (patch)
tree808bd355f2421704e490edd6ad1c3a1e67b33d77 /surf-webext-dom.c
parent7019970b24380cd823beb9760f34a6c00b569054 (diff)
v0.2
Diffstat (limited to 'surf-webext-dom.c')
-rw-r--r--surf-webext-dom.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/surf-webext-dom.c b/surf-webext-dom.c
deleted file mode 100644
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--- a/surf-webext-dom.c
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@@ -1,188 +0,0 @@
-//
-// !!! THIS IS A BUGGY CONCEPT/PROTOTYPE. USE AT YOUR OWN RISK !!!
-//
-// The following simple Webkit2GTK+ extension was hacked together
-// in the sleepless night between 09th and 10th March 2018 (and later
-// refined) by:
-//
-// Michal Idziorek <m.i@gmx.at>.
-//
-// It regjsters a document_loaded_callback, where the DOM is manipulated,
-// i.e: a <span> with a number added to every link encountered.
-//
-// The urls are extracted from the DOM and shared with the browsers
-// process over a system V memory segment.
-//
-// As an example, this can be used to enable keyboardless navigation
-// in surf by simply typing in the number of the link.
-//
-// TODO: Support multiple clients! See source for more TODOS!
-// THE biggest limitation by now is the lazily hardcoded:
-// key_t my_ftok = ftok("~/surf-webext-dom-shared-mem",'a');
-//
-// Last Update: 14th March 2018
-//
-// Last Tested: with surf commit 81f0452bc6c2a110239fa303ad1e72f11c33dc94
-// from htps://git.suckless.org/surf
-//
-
-#include <webkit2/webkit-web-extension.h>
-
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <errno.h>
-#include <string.h>
-#include <pthread.h>
-
-bool str_prefix(const char *str, const char *pre);
-
-static int call=0;
-static char *shared_buf;
-WebKitDOMHTMLDocument *my_doc;
-
-void
-document_loaded_callback (WebKitWebPage *web_page,
- GPtrArray *elements,
- GVariant *user_data)
-{
-
- my_doc = webkit_web_page_get_dom_document(web_page);
-// if(!WEBKIT_DOM_IS_HTML_DOCUMENT(my_doc))return;
-
-// GThread *t1 = g_thread_new ("show hints", show_hints, doc);
- // g_thread_join(t1);
-}
-
-GThreadFunc
-show_hints(WebKitDOMHTMLDocument *doc)
-{
-
- // TODO: g_free where appropriate !!
- // TODO: allow focus on input boxes/forms
- // TODO: Put this somehwere else? (but I dislike #defines)
- // share this info with surf itself! maybe surf can supply this along
- // the ftok path via the user_data GVariant.
- int MAX_LINKS=1024;
- int MAX_LINK_LENGTH=1024;
- int DEBUG=9;
-
- // get url
- char *url = webkit_dom_document_get_url (doc);
- if(DEBUG>1) g_print("document_loaded (callback): %s\n", url);
-
- // tokenize url
- char *url_proto=strtok(url,"/");
- char *url_host=strtok(NULL,"/");
- if(DEBUG>2) g_print("proto: %s\n", url_proto);
- if(DEBUG>2) g_print("host: %s\n", url_host);
-
- // get html body
- WebKitDOMHTMLElement *body = webkit_dom_document_get_body(doc);
-
- // get links (alt)
- WebKitDOMNodeList *links = webkit_dom_document_query_selector_all(doc,"a",NULL);
- gulong links_count = webkit_dom_node_list_get_length (links);
- g_print("extracted %i links\n",links_count);
-
- // get links
- /*
- WebKitDOMHTMLCollection *links = webkit_dom_document_get_links(doc);
- gulong links_count = webkit_dom_html_collection_get_length (links);
- if(DEBUG>1) g_print("extracted %i links\n",links_count);
- */
-
- // iterate over links
- for(gulong i=0;i<links_count;i++)
- {
- char buf[MAX_LINK_LENGTH]; // TODO: dynamic!
-
- WebKitDOMHTMLElement * node = webkit_dom_node_list_item (links,i);
-
- // add hint for keyboard navigation
-
- //g_print("node address: %p\n", node);
-
- char *txt = webkit_dom_html_element_get_inner_html (node);
-
- // TODO: style via stylesheet
- snprintf(buf,MAX_LINK_LENGTH,
- "<span style='padding-right:5px;border-bottom:1px solid black;'>\
- <span style='font-size:13px;font-weight:bold;font-face:Arial;\
- border:1px solid black;display:inline;color:white;\
- background-color:#77b;padding:0 5px;margin:0;\
- margin-right:5px;'>%i</span>%s</span>", i,txt);
- if(DEBUG>10) g_print("extracted link : %s\n",txt);
-
- webkit_dom_html_element_set_inner_html (node,buf,NULL);
-
- //sleep(1);
- // alternatively add hints at the end of the body
- // webkit_dom_element_insert_adjacent_html (body,"beforeend",buf,NULL);
-
- // TODO: this does not work for some sad reason.
- // sadly, likely due to my misunderstanding.
- // node seems not to be a LinkElement at all :(
- //txt = webkit_dom_html_link_element_get_href (node);
- // so we have to use this:
- txt = webkit_dom_element_get_attribute (node,"href");
- if(txt==NULL)continue;
- if(str_prefix(txt,"//")) snprintf(buf,MAX_LINK_LENGTH,"%s%s",url_proto,txt);
- else if(str_prefix(txt,"/")) snprintf(buf,MAX_LINK_LENGTH,"%s//%s%s",url_proto,url_host,txt);
- else snprintf(buf,MAX_LINK_LENGTH,"%s",txt);
-
- if(i<MAX_LINKS) snprintf(&(shared_buf[MAX_LINK_LENGTH*i]),MAX_LINK_LENGTH,"%s\0",buf);
- if(DEBUG>10) g_print("extracted link : %s\n",buf);
- }
-}
-
-static gboolean mycallback(GIOChannel *ch, GIOCondition c, gpointer p)
-{
- g_print("callback called\n");
- gchar *line;
- g_io_channel_read_line(ch, &line, NULL, NULL, NULL);
- g_print("read: %s\n",line);
- g_free(line);
- show_hints(my_doc);
- return true;
-
-}
-static void
-page_created_callback (WebKitWebExtension *extension,
- WebKitWebPage *web_page,
- GVariant *user_data)
-{
- g_signal_connect (web_page, "document-loaded",
- G_CALLBACK (document_loaded_callback),
- user_data);
-
- GMainContext *ctx = g_main_context_default();
- GIOChannel *io = g_io_channel_new_file("/home/miguel/temp/mypipe", "r+", NULL);
- GSource *watch = g_io_create_watch(io, G_IO_IN);
- g_source_attach(watch,ctx);
- g_source_set_callback(watch,(GSourceFunc)mycallback,NULL,NULL);
-
-}
-
-G_MODULE_EXPORT void
-webkit_web_extension_initialize_with_user_data (WebKitWebExtension *extension,
- GVariant *user_data)
-{
- g_print("Initalizing Miguel's Surfin' Quick Links WebKit2GTK+ Extension\n");
- g_print("Extension PID: %d\n",getpid());
- gchar *str=g_variant_get_string(user_data,NULL);
- g_print("UI Process Data: %s\n",str);
-// g_free(str);
- g_signal_connect (extension, "page-created",
- G_CALLBACK (page_created_callback),
- user_data );
-
-}
-
-//https://stackoverflow.com/questions/4770985/how-to-check-if-a-string-starts-with-another-string-in-c
-bool str_prefix(const char *str, const char *pre)
-{
- size_t lenpre = strlen(pre),
- lenstr = strlen(str);
- return lenstr < lenpre ? false : strncmp(pre, str, lenpre) == 0;
-}
-