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#include "plugins.h"
#include "util.h"
#include "view.h"
#define ALLOWED(g) (VIEW(g)->status->allowed_plugins)
#define PLUGIN_IMAGE_SIZE "48px"
static void
dwb_onclick_cb(WebKitDOMElement *element, WebKitDOMEvent *event, GList *gl) {
WebKitDOMElement *e = g_object_get_data((gpointer)element, "dwb-plugin-element");
ALLOWED(gl) = g_slist_append(ALLOWED(gl), e);
WebKitDOMNode *el = WEBKIT_DOM_NODE(webkit_dom_event_get_target(event));
WebKitDOMNode *parent = webkit_dom_node_get_parent_node(el);
webkit_dom_node_remove_child(parent, WEBKIT_DOM_NODE(element), NULL);
webkit_dom_node_append_child(parent, WEBKIT_DOM_NODE(e), NULL);
char *display = g_strdup_printf("display:%s;", (char*)g_object_get_data(G_OBJECT(e), "dwb-plugin-display"));
webkit_dom_element_set_attribute(e, "style", display, NULL);
g_free(display);
}
static void
dwb_plugins_create_click_element(WebKitDOMElement *element, GList *gl) {
WebKitDOMNode *parent = webkit_dom_node_get_parent_node(WEBKIT_DOM_NODE(element));
PRINT_DEBUG("%s", webkit_dom_html_element_get_id(element));
if (parent != NULL) {
PRINT_DEBUG("%s", webkit_dom_html_element_get_id(element));
WebKitDOMDocument *doc = webkit_dom_node_get_owner_document(WEBKIT_DOM_NODE(element));
WebKitDOMDOMWindow *win = webkit_dom_document_get_default_view(doc);
WebKitDOMCSSStyleDeclaration *style = webkit_dom_dom_window_get_computed_style(win, element, "");
char *width = webkit_dom_css_style_declaration_get_property_value(style, "width");
char *height = webkit_dom_css_style_declaration_get_property_value(style, "height");
char *top = webkit_dom_css_style_declaration_get_property_value(style, "top");
char *left = webkit_dom_css_style_declaration_get_property_value(style, "left");
char *display = webkit_dom_css_style_declaration_get_property_value(style, "display");
int w, h;
if (sscanf(width, "%dpx", &w) == 1 && w<48)
width = PLUGIN_IMAGE_SIZE;
if (sscanf(height, "%dpx", &h) == 1 && h<48)
height = PLUGIN_IMAGE_SIZE;
WebKitDOMElement *div = webkit_dom_document_create_element(doc, "div", NULL);
char *new_style = g_strdup_printf("width:%s; height:%s; top: %s; left: %s;%s", width, height, top, left, dwb.misc.pbbackground);
webkit_dom_element_set_attribute(div, "style", new_style, NULL);
webkit_dom_element_set_attribute(div, "onclick", "return", NULL);
webkit_dom_node_remove_child(parent, WEBKIT_DOM_NODE(element), NULL);
webkit_dom_node_append_child(parent, WEBKIT_DOM_NODE(div), NULL);
// at least hide element if default behaviour cannot be prevented
webkit_dom_element_set_attribute(element, "style", "display:none!important", NULL);
g_object_set_data((gpointer)div, "dwb-plugin-element", element);
g_object_set_data((gpointer)element, "dwb-plugin-display", display);
webkit_dom_event_target_add_event_listener(WEBKIT_DOM_EVENT_TARGET(div), "click", G_CALLBACK(dwb_onclick_cb), false, gl);
g_free(new_style);
}
}
static gboolean
dwb_plugins_before_load_cb(WebKitDOMDOMWindow *win, WebKitDOMEvent *event, GList *gl) {
WebKitDOMElement *element = (void*)webkit_dom_event_get_src_element(event);
gchar *tagname = webkit_dom_element_get_tag_name(element);
char *type = webkit_dom_element_get_attribute(element, "type");
if ( (!strcmp(type, "application/x-shockwave-flash")
&& (! g_ascii_strcasecmp(tagname, "object") || ! g_ascii_strcasecmp(tagname, "embed")) )
&& ! g_slist_find(ALLOWED(gl), element) ) {
PRINT_DEBUG("%s : %s", webkit_dom_element_get_attribute(element, "src"), type);
webkit_dom_event_prevent_default(event);
webkit_dom_event_stop_propagation(event);
dwb_plugins_create_click_element(element, gl);
}
return true;
}
static void
dwb_plugins_remove_all(GList *gl) {
if (ALLOWED(gl) != NULL) {
ALLOWED(gl) = g_slist_remove_all(ALLOWED(gl), ALLOWED(gl)->data);
ALLOWED(gl) = NULL;
}
}
void
dwb_plugins_load_status_cb(WebKitWebView *wv, GParamSpec *p, GList *gl) {
WebKitLoadStatus status = webkit_web_view_get_load_status(wv);
if (status == WEBKIT_LOAD_PROVISIONAL) {
dwb_plugins_remove_all(gl);
}
else if (status == WEBKIT_LOAD_COMMITTED) {
WebKitDOMDocument *doc = webkit_web_view_get_dom_document(wv);
WebKitDOMDOMWindow *win = webkit_dom_document_get_default_view(doc);
webkit_dom_event_target_add_event_listener(WEBKIT_DOM_EVENT_TARGET(win), "beforeload", G_CALLBACK(dwb_plugins_before_load_cb), true, gl);
}
}
void
dwb_plugins_frame_load_status_cb(WebKitWebFrame *frame, GList *gl) {
if (webkit_web_frame_get_load_status(frame) != WEBKIT_LOAD_COMMITTED)
return;
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 (strcmp(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 (int i=0; i<webkit_dom_node_list_get_length(frames); i++) {
WebKitDOMHTMLIFrameElement *iframe = (void*)webkit_dom_node_list_item(frames, i);
char *iframesrc = webkit_dom_html_iframe_element_get_src(iframe);
if (!strcmp(src, iframesrc)) {
WebKitDOMDOMWindow *win = webkit_dom_html_iframe_element_get_content_window(iframe);
webkit_dom_event_target_add_event_listener(WEBKIT_DOM_EVENT_TARGET(win), "beforeload", G_CALLBACK(dwb_plugins_before_load_cb), true, gl);
}
}
}
}
void
dwb_plugins_frame_created_cb(WebKitWebView *wv, WebKitWebFrame *frame, GList *gl) {
g_signal_connect(frame, "notify::load-status", G_CALLBACK(dwb_plugins_frame_load_status_cb), gl);
}
WebKitDOMElement *
dwb_plugins_find_in_frames(WebKitDOMDocument *doc, char *selector) {
WebKitDOMElement *element = NULL;
WebKitDOMDocument *document;
WebKitDOMHTMLIFrameElement *iframe;
WebKitDOMNodeList *list;
char *source;
// TODO nodes with duplicate src/data-property
list = webkit_dom_document_get_elements_by_tag_name(doc, "object");
for (int i=0; i<webkit_dom_node_list_get_length(list); i++) {
element = (void*)webkit_dom_node_list_item(list, i);
source = webkit_dom_html_object_element_get_data(WEBKIT_DOM_HTML_OBJECT_ELEMENT(element));
if (!strcmp(selector, source))
return element;
}
list = webkit_dom_document_get_elements_by_tag_name(doc, "embed");
for (int i=0; i<webkit_dom_node_list_get_length(list); i++) {
element = (void*)webkit_dom_node_list_item(list, i);
source = webkit_dom_html_embed_element_get_src(WEBKIT_DOM_HTML_EMBED_ELEMENT(element));
if (!strcmp(selector, source))
return element;
}
WebKitDOMNodeList *frames = webkit_dom_document_get_elements_by_tag_name(doc, "iframe");
if (frames != NULL) {
for (int i=0; i<webkit_dom_node_list_get_length(frames); i++) {
iframe = (void*)webkit_dom_node_list_item(frames, i);
document = webkit_dom_html_iframe_element_get_content_document(iframe);
if ((element = dwb_plugins_find_in_frames(document, selector)) != NULL)
return element;
}
}
return NULL;
}
GtkWidget *
dwb_plugins_create_plugin_widget_cb(WebKitWebView *wv, char *mimetype, char *uri, GHashTable *param, GList *gl) {
WebKitDOMDocument *doc = webkit_web_view_get_dom_document(wv);
WebKitDOMElement *element;
if ( (element = dwb_plugins_find_in_frames(doc, uri)) != NULL && !g_slist_find(ALLOWED(gl), element)) {
dwb_plugins_create_click_element(element, gl);
}
return NULL;
}
void
dwb_plugin_blocker_connect(GList *gl) {
VIEW(gl)->status->signals[SIG_PLUGINS_LOAD] = g_signal_connect(WEBVIEW(gl), "notify::load-status", G_CALLBACK(dwb_plugins_load_status_cb), gl);
VIEW(gl)->status->signals[SIG_PLUGINS_FRAME_LOAD] = g_signal_connect(WEBVIEW(gl), "frame-created", G_CALLBACK(dwb_plugins_frame_created_cb), gl);
VIEW(gl)->status->signals[SIG_PLUGINS_CREATE_WIDGET] = g_signal_connect(WEBVIEW(gl), "create-plugin-widget", G_CALLBACK(dwb_plugins_create_plugin_widget_cb), gl);
}
void
dwb_plugin_blocker_disconnect(GList *gl) {
for (int i=SIG_PLUGINS_LOAD; i<SIG_PLUGINS_LAST; i++) {
if (VIEW(gl)->status->signals[i] > 0) {
g_signal_handler_disconnect(WEBVIEW(gl), VIEW(gl)->status->signals[i]);
VIEW(gl)->status->signals[i] = 0;
}
}
}
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