// document_scroll_cb is called when the document is scrolled, and updates // the main processes knowledge of the document. static void document_scroll_cb(WebKitDOMEventTarget *target, WebKitDOMEvent *event, gpointer user_data) { Exten *exten = user_data; WebKitDOMDocument *dom = WEBKIT_DOM_DOCUMENT(target); WebKitDOMElement *e = NULL; if(dom != NULL) { e = WEBKIT_DOM_ELEMENT(webkit_dom_document_get_body(dom)); } // Check for current scroll position. If it has changed, signal DBus. if(e != NULL) { glong top = webkit_dom_element_get_scroll_top(e); glong height = webkit_dom_element_get_scroll_height(e); if(top != exten->last_top || height != exten->last_height) { exten->last_top = top; exten->last_height = height; vertical_position_changed(exten->page_id, top, height, exten); } } if(dom != NULL) { e = webkit_dom_document_get_active_element(dom); } }
// 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); } }
wxString wxWebViewWebKit::GetPageText() const { WebKitDOMDocument* doc; WebKitDOMHTMLElement* body; doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(web_view)); body = webkit_dom_document_get_body(WEBKIT_DOM_DOCUMENT(doc)); return wxString(webkit_dom_html_element_get_inner_text(WEBKIT_DOM_HTML_ELEMENT(body)), wxConvUTF8); }
void wxWebViewWebKit::ClearSelection() { WebKitDOMDocument* doc; WebKitDOMDOMWindow* win; WebKitDOMDOMSelection* sel; doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(web_view)); win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc)); sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win)); webkit_dom_dom_selection_remove_all_ranges(WEBKIT_DOM_DOM_SELECTION(sel)); }
// frame_document_loaded watches signals emitted from the given document. static void frame_document_loaded(WebKitDOMDocument *doc, Exten *exten) { // Track document, and don't register multiple times. if(!g_hash_table_add(exten->registered_documents, doc)) { return; } WebKitDOMEventTarget *target = WEBKIT_DOM_EVENT_TARGET( webkit_dom_document_get_default_view(doc)); // listen for focus changes webkit_dom_event_target_add_event_listener( target, "blur", G_CALLBACK(active_element_change_cb), true, exten); webkit_dom_event_target_add_event_listener( target, "focus", G_CALLBACK(active_element_change_cb), true, exten); // listen for resource loads. webkit_dom_event_target_add_event_listener( target, "beforeload", G_CALLBACK(adblock_before_load_cb), true, exten); // Scan for existing iframes, and add them as new frames. WebKitDOMNodeList *nodes = webkit_dom_document_get_elements_by_tag_name( WEBKIT_DOM_DOCUMENT(doc), "IFRAME"); gulong i; gulong len; if(nodes == NULL) { len = 0; } else { len = webkit_dom_node_list_get_length(nodes); } for(i = 0; i < len; i++) { WebKitDOMDocument *subdoc = webkit_dom_html_iframe_element_get_content_document( WEBKIT_DOM_HTML_IFRAME_ELEMENT( webkit_dom_node_list_item(nodes, i))); frame_document_loaded(subdoc, exten); } // Element hider inject_adblock_css(doc, exten); }
wxString wxWebViewWebKit::GetSelectedSource() const { WebKitDOMDocument* doc; WebKitDOMDOMWindow* win; WebKitDOMDOMSelection* sel; WebKitDOMRange* range; WebKitDOMElement* div; WebKitDOMDocumentFragment* clone; WebKitDOMHTMLElement* html; doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(web_view)); win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc)); sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win)); range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel), 0, NULL); div = webkit_dom_document_create_element(WEBKIT_DOM_DOCUMENT(doc), "div", NULL); clone = webkit_dom_range_clone_contents(WEBKIT_DOM_RANGE(range), NULL); webkit_dom_node_append_child(&div->parent_instance, &clone->parent_instance, NULL); html = (WebKitDOMHTMLElement*)div; return wxString(webkit_dom_html_element_get_inner_html(WEBKIT_DOM_HTML_ELEMENT(html)), wxConvUTF8); }
wxString wxWebViewWebKit::GetSelectedText() const { WebKitDOMDocument* doc; WebKitDOMDOMWindow* win; WebKitDOMDOMSelection* sel; WebKitDOMRange* range; doc = webkit_web_view_get_dom_document(WEBKIT_WEB_VIEW(web_view)); win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc)); sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win)); range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel), 0, NULL); return wxString(webkit_dom_range_get_text(WEBKIT_DOM_RANGE(range)), wxConvUTF8); }
/** * 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); }
/** * Callback called when the document is scrolled. */ static void on_document_scroll(WebKitDOMEventTarget *target, WebKitDOMEvent *event, WebKitWebPage *page) { WebKitDOMDocument *doc; 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); } if (doc) { WebKitDOMElement *body, *de; glong max = 0, scrollTop, scrollHeight, clientHeight; guint percent = 0; de = webkit_dom_document_get_document_element(doc); if (!de) { return; } body = WEBKIT_DOM_ELEMENT(webkit_dom_document_get_body(doc)); if (!body) { return; } scrollTop = webkit_dom_element_get_scroll_top(body); if (scrollTop) { clientHeight = webkit_dom_element_get_client_height(WEBKIT_DOM_ELEMENT(de)); scrollHeight = webkit_dom_element_get_scroll_height(body); /* Get the maximum scrollable page size. This is the size of the whole * document - height of the viewport. */ max = scrollHeight - clientHeight ; if (max) { percent = (guint)(0.5 + (scrollTop * 100 / max)); } } dbus_emit_signal("VerticalScroll", g_variant_new("(ttq)", webkit_web_page_get_id(page), max, percent)); } }