451 lines
15 KiB
C
451 lines
15 KiB
C
/*
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Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
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Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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*/
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#include "formhistory-frontend.h"
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#ifdef FORMHISTORY_USE_GDOM
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#define COMPLETION_DELAY 200
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FormHistoryPriv*
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formhistory_private_new ()
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{
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FormHistoryPriv* priv;
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priv = g_slice_new (FormHistoryPriv);
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priv->oldkeyword = g_strdup ("");
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priv->selection_index = -1;
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return priv;
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}
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void
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formhistory_suggestions_hide_cb (WebKitDOMElement* element,
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WebKitDOMEvent* dom_event,
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FormHistoryPriv* priv)
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{
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if (gtk_widget_get_visible (priv->popup))
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gtk_widget_hide (priv->popup);
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priv->selection_index = -1;
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}
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static void
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formhistory_suggestion_set (GtkTreePath* path,
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FormHistoryPriv* priv)
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{
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GtkTreeIter iter;
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gchar* value;
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if (!gtk_tree_model_get_iter (priv->completion_model, &iter, path))
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return;
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gtk_tree_model_get (priv->completion_model, &iter, 0, &value, -1);
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g_object_set (priv->element, "value", value, NULL);
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g_free (value);
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}
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static gboolean
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formhistory_suggestion_selected_cb (GtkWidget* treeview,
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GdkEventButton* event,
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FormHistoryPriv* priv)
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{
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GtkTreePath* path;
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if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
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event->x, event->y, &path, NULL, NULL, NULL))
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{
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formhistory_suggestion_set (path, priv);
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formhistory_suggestions_hide_cb (NULL, NULL, priv);
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gtk_tree_path_free (path);
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return TRUE;
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}
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return FALSE;
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}
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static void
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get_absolute_offset_for_element (WebKitDOMElement* element,
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WebKitDOMDocument* element_document,
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WebKitDOMNodeList* frames,
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glong* x,
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glong* y,
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gboolean ismainframe)
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{
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WebKitDOMElement* offset_parent;
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gint i, offset_top = 0, offset_left = 0;
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g_object_get (element, "offset-left", &offset_left,
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"offset-top", &offset_top,
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"offset-parent", &offset_parent,
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NULL);
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*x += offset_left;
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*y += offset_top;
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/* To avoid deadlock check only first element of the mainframe parent */
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if (ismainframe == TRUE)
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return;
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if (offset_parent)
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goto finish;
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/* Element havent returned any parents. Thats mean or there is no parents or we are inside the frame
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Loop over all frames we have to find frame == element_document which is a root for our element
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and get its offsets */
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for (i = 0; i < webkit_dom_node_list_get_length (frames); i++)
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{
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WebKitDOMDocument *fdoc;
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WebKitDOMNode *frame = webkit_dom_node_list_item (frames, i);
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if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT (frame))
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fdoc = webkit_dom_html_iframe_element_get_content_document (WEBKIT_DOM_HTML_IFRAME_ELEMENT (frame));
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else
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fdoc = webkit_dom_html_frame_element_get_content_document (WEBKIT_DOM_HTML_FRAME_ELEMENT (frame));
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if (fdoc == element_document)
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{
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offset_parent = WEBKIT_DOM_ELEMENT (frame);
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ismainframe = TRUE;
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/* Add extra 4px to ~cover size of borders */
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*y += 4;
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break;
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}
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}
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finish:
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if (offset_parent)
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get_absolute_offset_for_element (offset_parent, element_document, frames, x, y, ismainframe);
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}
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static void
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formhistory_reposition_popup (FormHistoryPriv* priv)
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{
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WebKitDOMDocument* element_document;
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WebKitDOMNodeList* frames;
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GtkWidget* view;
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GdkWindow* window;
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gint rx, ry;
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gint wx, wy;
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glong x = 0, y = 0;
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glong height;
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view = g_object_get_data (G_OBJECT (priv->element), "webview");
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GtkWidget* toplevel = gtk_widget_get_toplevel (view);
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/* Position of a root window */
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window = gtk_widget_get_window (toplevel);
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gdk_window_get_position (window, &rx, &ry);
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/* Postion of webview in root window */
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window = gtk_widget_get_window (view);
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gdk_window_get_position (window, &wx, &wy);
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/* Position of editbox on the webview */
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frames = g_object_get_data (G_OBJECT (priv->element), "framelist");
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element_document = g_object_get_data (G_OBJECT (priv->element), "doc");
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get_absolute_offset_for_element (priv->element, element_document, frames, &x, &y, FALSE);
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/* Add height as menu should start under editbox, now on top of it */
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g_object_get (priv->element, "client-height", &height, NULL);
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y += height + 1;
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gtk_window_move (GTK_WINDOW (priv->popup), rx + wx + x, ry +wy + y);
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/* Window configuration */
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gtk_window_set_screen (GTK_WINDOW (priv->popup), gtk_widget_get_screen (view));
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gtk_window_set_transient_for (GTK_WINDOW (priv->popup), GTK_WINDOW (toplevel));
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gtk_tree_view_columns_autosize (GTK_TREE_VIEW (priv->treeview));
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/* FIXME: Adjust size according to treeview width and some reasonable height */
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gtk_window_resize (GTK_WINDOW (priv->popup), 50, 80);
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}
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static void
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formhistory_suggestions_show (FormHistoryPriv* priv)
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{
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GtkListStore* store;
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static sqlite3_stmt* stmt;
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const gchar* value;
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const gchar* name;
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const char* sqlcmd;
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gint result;
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g_source_remove (priv->completion_timeout);
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g_object_get (priv->element,
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"name", &name,
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"value", &value,
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NULL);
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katze_assign (priv->oldkeyword, g_strdup (value));
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if (!priv->popup)
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formhistory_construct_popup_gui (priv);
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if (!stmt)
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{
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if (!priv->db)
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return;
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sqlcmd = "SELECT DISTINCT value FROM forms WHERE field = ?1 and value like ?2";
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sqlite3_prepare_v2 (priv->db, sqlcmd, strlen (sqlcmd) + 1, &stmt, NULL);
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}
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gchar* likedvalue = g_strdup_printf ("%s%%", value);
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sqlite3_bind_text (stmt, 1, name, -1, NULL);
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sqlite3_bind_text (stmt, 2, likedvalue, -1, g_free);
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result = sqlite3_step (stmt);
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if (result != SQLITE_ROW)
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{
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if (result == SQLITE_ERROR)
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g_print (_("Failed to select suggestions\n"));
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sqlite3_reset (stmt);
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sqlite3_clear_bindings (stmt);
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formhistory_suggestions_hide_cb (NULL, NULL, priv);
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return;
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}
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store = GTK_LIST_STORE (priv->completion_model);
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gtk_list_store_clear (store);
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int pos = 0;
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while (result == SQLITE_ROW)
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{
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pos++;
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const unsigned char* text = sqlite3_column_text (stmt, 0);
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gtk_list_store_insert_with_values (store, NULL, pos, 0, text, -1);
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result = sqlite3_step (stmt);
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}
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sqlite3_reset (stmt);
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sqlite3_clear_bindings (stmt);
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if (!gtk_widget_get_visible (priv->popup))
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{
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formhistory_reposition_popup (priv);
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gtk_widget_show_all (priv->popup);
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}
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}
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static void
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formhistory_editbox_key_pressed_cb (WebKitDOMElement* element,
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WebKitDOMEvent* dom_event,
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FormHistoryPriv* priv)
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{
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glong key;
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GtkTreePath* path;
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const gchar* keyword;
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gint matches;
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/* FIXME: Priv is still set after module is disabled */
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if (!priv)
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return;
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if (priv->completion_timeout > 0)
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g_source_remove (priv->completion_timeout);
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priv->element = element;
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key = webkit_dom_ui_event_get_key_code (WEBKIT_DOM_UI_EVENT (dom_event));
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/* Ignore some control chars */
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if (key < 20 && key != 8)
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return;
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switch (key)
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{
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/* ESC key*/
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case 27:
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case 35:
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case 36:
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/* Left key*/
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case 37:
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/* Right key*/
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case 39:
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if (key == 27)
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g_object_set (element, "value", priv->oldkeyword, NULL);
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formhistory_suggestions_hide_cb (element, dom_event, priv);
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return;
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break;
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/*FIXME: Del to delete entry */
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/* Up key */
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case 38:
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/* Down key */
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case 40:
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if (!gtk_widget_get_visible (priv->popup))
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{
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formhistory_suggestions_show (priv);
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return;
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}
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matches = gtk_tree_model_iter_n_children (priv->completion_model, NULL);
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if (key == 38)
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{
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if (priv->selection_index <= 0)
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priv->selection_index = matches - 1;
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else
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priv->selection_index = MAX (priv->selection_index - 1, 0);
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}
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else
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{
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if (priv->selection_index == matches - 1)
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priv->selection_index = 0;
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else
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priv->selection_index = MIN (priv->selection_index + 1, matches -1);
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}
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path = gtk_tree_path_new_from_indices (priv->selection_index, -1);
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gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->treeview), path, NULL, FALSE);
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formhistory_suggestion_set (path, priv);
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gtk_tree_path_free (path);
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return;
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break;
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/* PgUp, PgDn, Ins */
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case 33:
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case 34:
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case 45:
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break;
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}
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g_object_get (element, "value", &keyword, NULL);
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if (!(keyword && *keyword && *keyword != ' '))
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{
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formhistory_suggestions_hide_cb (element, dom_event, priv);
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return;
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}
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/* If the same keyword is submitted there's no need to regenerate suggestions */
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if (gtk_widget_get_visible (priv->popup) &&
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!g_strcmp0 (keyword, priv->oldkeyword))
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return;
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priv->completion_timeout = g_timeout_add (COMPLETION_DELAY,
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(GSourceFunc)formhistory_suggestions_show, priv);
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}
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static void
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formhistory_DOMContentLoaded_cb (WebKitDOMElement* window,
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WebKitDOMEvent* dom_event,
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FormHistoryPriv* priv)
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{
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int i;
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WebKitDOMDocument* doc;
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WebKitDOMNodeList* inputs;
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WebKitDOMNodeList* frames;
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GtkWidget* web_view;
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if (WEBKIT_DOM_IS_DOCUMENT (window))
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doc = WEBKIT_DOM_DOCUMENT (window);
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else
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doc = webkit_dom_dom_window_get_document (WEBKIT_DOM_DOM_WINDOW (window));
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inputs = webkit_dom_document_query_selector_all (doc, "input[type='text']", NULL);
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frames = g_object_get_data (G_OBJECT (window), "framelist");
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web_view = g_object_get_data (G_OBJECT (window), "webview");
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for (i = 0; i < webkit_dom_node_list_get_length (inputs); i++)
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{
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const gchar* autocomplete;
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WebKitDOMNode* element = webkit_dom_node_list_item (inputs, i);
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g_object_get (element, "autocomplete", &autocomplete, NULL);
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/* Dont bind if input is not text or autocomplete is disabled */
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if (!g_strcmp0 (autocomplete, "off"))
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continue;
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g_object_set_data (G_OBJECT (element), "doc", doc);
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g_object_set_data (G_OBJECT (element), "webview", web_view);
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g_object_set_data (G_OBJECT (element), "framelist", frames);
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/* Add dblclick? */
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webkit_dom_event_target_add_event_listener (
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WEBKIT_DOM_EVENT_TARGET (element), "keyup",
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G_CALLBACK (formhistory_editbox_key_pressed_cb), false,
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priv);
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webkit_dom_event_target_add_event_listener (
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WEBKIT_DOM_EVENT_TARGET (element), "blur",
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G_CALLBACK (formhistory_suggestions_hide_cb), false,
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priv);
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}
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}
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void
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formhistory_setup_suggestions (WebKitWebView* web_view,
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JSContextRef js_context,
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MidoriExtension* extension)
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{
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WebKitDOMDocument* doc;
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WebKitDOMNodeList* frames;
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int i;
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FormHistoryPriv* priv = g_object_get_data (G_OBJECT (extension), "priv");
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doc = webkit_web_view_get_dom_document (web_view);
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frames = webkit_dom_document_query_selector_all (doc, "iframe, frame", NULL);
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g_object_set_data (G_OBJECT (doc), "framelist", frames);
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g_object_set_data (G_OBJECT (doc), "webview", web_view);
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/* Connect to DOMContentLoaded of the main frame */
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webkit_dom_event_target_add_event_listener(
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WEBKIT_DOM_EVENT_TARGET (doc), "DOMContentLoaded",
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G_CALLBACK (formhistory_DOMContentLoaded_cb), false,
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priv);
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/* Connect to DOMContentLoaded of frames */
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for (i = 0; i < webkit_dom_node_list_get_length (frames); i++)
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{
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WebKitDOMDOMWindow* framewin;
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WebKitDOMNode* frame = webkit_dom_node_list_item (frames, i);
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if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT (frame))
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framewin = webkit_dom_html_iframe_element_get_content_window (WEBKIT_DOM_HTML_IFRAME_ELEMENT (frame));
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else
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framewin = webkit_dom_html_frame_element_get_content_window (WEBKIT_DOM_HTML_FRAME_ELEMENT (frame));
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g_object_set_data (G_OBJECT (framewin), "framelist", frames);
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g_object_set_data (G_OBJECT (framewin), "webview", (GtkWidget*)web_view);
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webkit_dom_event_target_add_event_listener (
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WEBKIT_DOM_EVENT_TARGET (framewin), "DOMContentLoaded",
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G_CALLBACK (formhistory_DOMContentLoaded_cb), false,
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priv);
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}
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}
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void
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formhistory_private_destroy (FormHistoryPriv *priv)
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{
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if (priv->db)
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{
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sqlite3_close (priv->db);
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priv->db = NULL;
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}
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if (priv->oldkeyword)
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g_free (priv->oldkeyword);
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gtk_widget_destroy (priv->popup);
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priv->popup = NULL;
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g_slice_free (FormHistoryPriv, priv);
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priv = NULL;
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}
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gboolean
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formhistory_construct_popup_gui (FormHistoryPriv* priv)
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{
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GtkTreeModel* model = NULL;
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GtkWidget* popup;
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GtkWidget* popup_frame;
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GtkWidget* scrolled;
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GtkWidget* treeview;
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GtkCellRenderer* renderer;
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GtkTreeViewColumn* column;
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model = (GtkTreeModel*) gtk_list_store_new (1, G_TYPE_STRING);
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priv->completion_model = model;
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popup = gtk_window_new (GTK_WINDOW_POPUP);
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gtk_window_set_type_hint (GTK_WINDOW (popup), GDK_WINDOW_TYPE_HINT_COMBO);
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popup_frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (popup_frame), GTK_SHADOW_ETCHED_IN);
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gtk_container_add (GTK_CONTAINER (popup), popup_frame);
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scrolled = g_object_new (GTK_TYPE_SCROLLED_WINDOW,
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"hscrollbar-policy", GTK_POLICY_NEVER,
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"vscrollbar-policy", GTK_POLICY_AUTOMATIC, NULL);
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gtk_container_add (GTK_CONTAINER (popup_frame), scrolled);
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treeview = gtk_tree_view_new_with_model (model);
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priv->treeview = treeview;
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gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
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gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (treeview), TRUE);
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gtk_container_add (GTK_CONTAINER (scrolled), treeview);
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gtk_widget_set_size_request (gtk_scrolled_window_get_vscrollbar (
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GTK_SCROLLED_WINDOW (scrolled)), -1, 0);
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renderer = gtk_cell_renderer_text_new ();
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column = gtk_tree_view_column_new_with_attributes ("suggestions", renderer, "text", 0, NULL);
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gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
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priv->popup = popup;
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g_signal_connect (treeview, "button-press-event",
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G_CALLBACK (formhistory_suggestion_selected_cb), priv);
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return TRUE;
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}
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#endif
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