Formhistory 2.0 with GDOM frontend

extensions/formhistory/formhistory-frontend.h

@@ -0,0 +1,63 @@
+/*
+ Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
+ Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+*/
+
+#ifndef __FORMHISTORY_FRONTEND_H__
+#define __FORMHISTORY_FRONTEND_H__
+#include <midori/midori.h>
+#include <glib/gstdio.h>
+
+#include "config.h"
+#if HAVE_UNISTD_H
+    #include <unistd.h>
+#endif
+
+#if WEBKIT_CHECK_VERSION (1, 3, 1)
+    #define FORMHISTORY_USE_GDOM 1
+#else
+    #define FORMHISTORY_USE_JS 1
+#endif
+
+typedef struct
+{
+    sqlite3* db;
+    #if FORMHISTORY_USE_GDOM
+    WebKitDOMElement* element;
+    int completion_timeout;
+    GtkTreeModel* completion_model;
+    GtkWidget* treeview;
+    GtkWidget* popup;
+    GtkWidget* root;
+    gchar* oldkeyword;
+    guint selection_index;
+    #else
+    gchar* jsforms;
+    #endif
+} FormHistoryPriv;
+
+FormHistoryPriv*
+formhistory_private_new ();
+
+void
+formhistory_private_destroy (FormHistoryPriv *priv);
+
+gboolean
+formhistory_construct_popup_gui (FormHistoryPriv* priv);
+
+void
+formhistory_setup_suggestions (WebKitWebView*   web_view,
+                               JSContextRef     js_context,
+                               MidoriExtension* extension);
+
+void
+formhistory_suggestions_hide_cb (WebKitDOMElement* element,
+                                 WebKitDOMEvent*   dom_event,
+                                 FormHistoryPriv*  priv);
+
+#endif

extensions/formhistory/formhistory-gdom-frontend.c

@@ -0,0 +1,456 @@
+/*
+ Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
+ Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+*/
+#include "formhistory-frontend.h"
+#ifdef FORMHISTORY_USE_GDOM
+#define COMPLETION_DELAY 200
+
+FormHistoryPriv*
+formhistory_private_new ()
+{
+    FormHistoryPriv* priv;
+
+    priv = g_slice_new (FormHistoryPriv);
+    priv->oldkeyword = g_strdup ("");
+    priv->selection_index = -1;
+    return priv;
+}
+
+void
+formhistory_suggestions_hide_cb (WebKitDOMElement* element,
+                                 WebKitDOMEvent*   dom_event,
+                                 FormHistoryPriv*  priv)
+{
+    if (gtk_widget_get_visible (priv->popup))
+        gtk_widget_hide (priv->popup);
+    priv->selection_index = -1;
+}
+
+static void
+formhistory_suggestion_set (GtkTreePath*     path,
+                            FormHistoryPriv* priv)
+{
+    GtkTreeIter iter;
+    gchar* value;
+
+    if (!gtk_tree_model_get_iter (priv->completion_model, &iter, path))
+        return;
+
+    gtk_tree_model_get (priv->completion_model, &iter, 0, &value, -1);
+    g_object_set (priv->element, "value", value, NULL);
+    g_free (value);
+}
+
+static gboolean
+formhistory_suggestion_selected_cb (GtkWidget*       treeview,
+                                    GdkEventButton*  event,
+                                    FormHistoryPriv* priv)
+
+{
+    GtkTreePath* path;
+
+    if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview),
+        event->x, event->y, &path, NULL, NULL, NULL))
+    {
+        formhistory_suggestion_set (path, priv);
+        formhistory_suggestions_hide_cb (NULL, NULL, priv);
+        gtk_tree_path_free (path);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static void
+get_absolute_offset_for_element (WebKitDOMElement* element,
+                                 glong*            x,
+                                 glong*            y,
+                                 gboolean          mainframe)
+{
+    WebKitDOMElement* offset_parent;
+    WebKitDOMDocument* element_document;
+    gint offset_top = 0, offset_left = 0;
+    gboolean ismainframe = FALSE;
+    WebKitDOMNodeList* frames;
+    WebKitDOMDocument* fdoc;
+    int i;
+
+    frames = g_object_get_data (G_OBJECT (element), "framelist");
+    element_document = g_object_get_data (G_OBJECT (element), "doc");
+    g_object_get (element, "offset-left", &offset_left,
+                           "offset-top", &offset_top,
+                           "offset-parent", &offset_parent,
+                           NULL);
+    *x += offset_left;
+    *y += offset_top;
+
+    /* To avoid deadlock check only first element of the mainframe parent */
+    if (mainframe == TRUE)
+        return;
+
+    if (offset_parent)
+        goto finish;
+
+    /* Element havent returned any parents. Thats mean or there is no parents or we are inside the frame
+       Loop over all frames we have to find frame == element_document which is a root for our element
+       and get its offsets */
+    for (i = 0; i < webkit_dom_node_list_get_length (frames); i++)
+    {
+        WebKitDOMNode *frame = webkit_dom_node_list_item (frames, i);
+
+        if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT (frame))
+            fdoc = webkit_dom_html_iframe_element_get_content_document (WEBKIT_DOM_HTML_IFRAME_ELEMENT (frame));
+        else
+            fdoc = webkit_dom_html_frame_element_get_content_document (WEBKIT_DOM_HTML_FRAME_ELEMENT (frame));
+
+        if (fdoc == element_document)
+        {
+            offset_parent = WEBKIT_DOM_ELEMENT (frame);
+            ismainframe = TRUE;
+            /* Add extra 4px to ~cover size of borders  */
+            *y += 4;
+            break;
+        }
+    }
+    if (!offset_parent)
+        return;
+finish:
+    /* Copy set properties to parents as they dont have them set */
+    /* FIXME: Seems we need to drop them afterwards to save some memory? */
+    g_object_set_data (G_OBJECT (offset_parent), "doc", element_document);
+    g_object_set_data (G_OBJECT (offset_parent), "framelist", frames);
+    get_absolute_offset_for_element (offset_parent, x, y, ismainframe);
+}
+
+static void
+formhistory_reposition_popup (FormHistoryPriv* priv,
+                              GtkWidget*       widget)
+{
+    GdkWindow* window;
+    gint rx, ry;
+    gint wx, wy;
+    glong x = 0, y = 0;
+    glong height;
+
+    /* Position of a root window */
+    window = gtk_widget_get_window (widget);
+    gdk_window_get_position (window, &rx, &ry);
+
+    /* Postion of webview in root window */
+    window = gtk_widget_get_window (priv->root);
+    gdk_window_get_position (window, &wx, &wy);
+
+    /* Position of editbox on the webview */
+    get_absolute_offset_for_element (priv->element, &x, &y, FALSE);
+    /* Add height as menu should start under editbox, now on top of it */
+    g_object_get (priv->element, "client-height", &height, NULL);
+    y += height + 1;
+
+    gtk_window_move (GTK_WINDOW (priv->popup),  rx + wx + x, ry +wy + y);
+    gtk_tree_view_columns_autosize (GTK_TREE_VIEW (priv->treeview));
+    /* FIXME: Adjust size according to treeview width and some reasonable height */
+    gtk_window_resize (GTK_WINDOW (priv->popup), 50, 80);
+}
+
+static void
+formhistory_suggestions_show (FormHistoryPriv* priv)
+{
+    GtkListStore* store;
+    static sqlite3_stmt* stmt;
+    const gchar* value;
+    const gchar* name;
+    const char* sqlcmd;
+    gint result;
+
+    g_source_remove (priv->completion_timeout);
+
+    g_object_get (priv->element,
+                  "name", &name,
+                  "value", &value,
+                  NULL);
+    katze_assign (priv->oldkeyword, g_strdup (value));
+    if (!priv->popup)
+        formhistory_construct_popup_gui (priv);
+
+    if (!stmt)
+    {
+        if (!priv->db)
+            return;
+
+        sqlcmd = "SELECT DISTINCT value FROM forms WHERE field = ?1 and value like ?2";
+        sqlite3_prepare_v2 (priv->db, sqlcmd, strlen (sqlcmd) + 1, &stmt, NULL);
+    }
+
+    gchar* likedvalue = g_strdup_printf ("%s%%", value);
+    sqlite3_bind_text (stmt, 1, name, -1, NULL);
+    sqlite3_bind_text (stmt, 2, likedvalue, -1, g_free);
+    result = sqlite3_step (stmt);
+
+    if (result != SQLITE_ROW)
+    {
+        if (result == SQLITE_ERROR)
+            g_print (_("Failed to select suggestions\n"));
+        sqlite3_reset (stmt);
+        sqlite3_clear_bindings (stmt);
+        formhistory_suggestions_hide_cb (NULL, NULL, priv);
+        return;
+    }
+
+    store = GTK_LIST_STORE (priv->completion_model);
+    gtk_list_store_clear (store);
+    int pos = 0;
+
+    while (result == SQLITE_ROW)
+    {
+        pos++;
+        const unsigned char* text = sqlite3_column_text (stmt, 0);
+        gtk_list_store_insert_with_values (store, NULL, pos, 0, text, -1);
+        result = sqlite3_step (stmt);
+    }
+    sqlite3_reset (stmt);
+    sqlite3_clear_bindings (stmt);
+    gtk_widget_grab_focus (priv->treeview);
+
+    if (gtk_widget_get_visible (priv->popup))
+        return;
+
+    GtkWidget* toplevel = gtk_widget_get_toplevel (GTK_WIDGET (priv->root));
+    gtk_window_set_screen (GTK_WINDOW (priv->popup),
+                           gtk_widget_get_screen (GTK_WIDGET (priv->root)));
+    /* FIXME: If Midori window is small, popup doesn't show up */
+    gtk_window_set_transient_for (GTK_WINDOW (priv->popup), GTK_WINDOW (toplevel));
+    formhistory_reposition_popup (priv, toplevel);
+    gtk_widget_show_all (priv->popup);
+    gtk_widget_grab_focus (priv->treeview);
+}
+
+static void
+formhistory_editbox_key_pressed_cb (WebKitDOMElement* element,
+                                    WebKitDOMEvent*   dom_event,
+                                    FormHistoryPriv*  priv)
+{
+    glong key;
+    GtkTreePath* path;
+    const gchar* keyword;
+
+    /* FIXME: Priv is still set after module is disabled */
+    if (!priv)
+        return;
+
+    if (priv->completion_timeout > 0)
+        g_source_remove (priv->completion_timeout);
+
+    g_object_get (element, "value", &keyword, NULL);
+    priv->element = element;
+
+    key = webkit_dom_ui_event_get_key_code (WEBKIT_DOM_UI_EVENT (dom_event));
+
+    /* Ignore some control chars */
+    if (key < 20 && key != 8)
+        return;
+
+    gint matches = gtk_tree_model_iter_n_children (priv->completion_model, NULL);
+
+    switch (key)
+    {
+        /* ESC key*/
+        case 27:
+        case 35:
+        case 36:
+        /* Left key*/
+        case 37:
+        /* Right key*/
+        case 39:
+            if (key == 27)
+                g_object_set (element, "value", priv->oldkeyword, NULL);
+            formhistory_suggestions_hide_cb (element, dom_event, priv);
+            return;
+            break;
+        /*FIXME: Del to delete entry */
+        /* Up key */
+        case 38:
+        /* Down key */
+        case 40:
+            if (gtk_widget_get_visible (priv->popup))
+            {
+                if (key == 38)
+                {
+                    if (priv->selection_index == -1)
+                        priv->selection_index = matches - 1;
+                    else
+                        priv->selection_index = MAX (priv->selection_index - 1, 1);
+                }
+                else
+                {
+                    priv->selection_index = MIN (priv->selection_index + 1, matches -1);
+                }
+
+                path = gtk_tree_path_new_from_indices (priv->selection_index, -1);
+                gtk_tree_view_set_cursor (GTK_TREE_VIEW (priv->treeview), path, NULL, FALSE);
+                formhistory_suggestion_set (path, priv);
+                gtk_tree_path_free (path);
+            }
+            else
+                formhistory_suggestions_show (priv);
+            return;
+            break;
+        /* PgUp, PgDn, Ins */
+        case 33:
+        case 34:
+        case 45:
+            break;
+    }
+
+    if (!(keyword && *keyword && *keyword != ' '))
+    {
+        formhistory_suggestions_hide_cb (element, dom_event, priv);
+        return;
+    }
+
+    /* If the same keyword is submitted there's no need to regenerate suggestions */
+    if (gtk_widget_get_visible (priv->popup) &&
+        !g_strcmp0 (keyword, priv->oldkeyword))
+        return;
+    priv->completion_timeout = g_timeout_add (COMPLETION_DELAY,
+                               (GSourceFunc)formhistory_suggestions_show, priv);
+}
+
+static void
+formhistory_DOMContentLoaded_cb (WebKitDOMElement* window,
+                                 WebKitDOMEvent*   dom_event,
+                                 FormHistoryPriv*  priv)
+{
+    int i;
+    WebKitDOMDocument* doc;
+    WebKitDOMNodeList* inputs;
+    WebKitDOMNodeList* frames;
+
+    if (WEBKIT_DOM_IS_DOCUMENT (window))
+        doc = WEBKIT_DOM_DOCUMENT (window);
+    else
+        doc = webkit_dom_dom_window_get_document (WEBKIT_DOM_DOM_WINDOW (window));
+    inputs = webkit_dom_document_query_selector_all (doc, "input[type='text']", NULL);
+    frames = g_object_get_data (G_OBJECT (window), "framelist");
+
+    for (i = 0; i < webkit_dom_node_list_get_length (inputs); i++)
+    {
+        const gchar* autocomplete;
+        WebKitDOMNode* element = webkit_dom_node_list_item (inputs, i);
+        g_object_get (element, "autocomplete", &autocomplete, NULL);
+        /* Dont bind if input is not text or autocomplete is disabled */
+        if (!g_strcmp0 (autocomplete, "off"))
+            continue;
+
+        g_object_set_data (G_OBJECT (element), "doc", doc);
+        g_object_set_data (G_OBJECT (element), "framelist", frames);
+        /* Add dblclick? */
+        webkit_dom_event_target_add_event_listener (
+                      WEBKIT_DOM_EVENT_TARGET (element), "keyup",
+                      G_CALLBACK (formhistory_editbox_key_pressed_cb), false,
+                      priv);
+        webkit_dom_event_target_add_event_listener (
+                      WEBKIT_DOM_EVENT_TARGET (element), "blur",
+                      G_CALLBACK (formhistory_suggestions_hide_cb), false,
+                      priv);
+    }
+}
+
+void
+formhistory_setup_suggestions (WebKitWebView*   web_view,
+                               JSContextRef     js_context,
+                               MidoriExtension* extension)
+{
+    WebKitDOMDocument* doc;
+    WebKitDOMNodeList* frames;
+    int i;
+
+    FormHistoryPriv* priv = g_object_get_data (G_OBJECT (extension), "priv");
+    priv->root = (GtkWidget*)web_view;
+    doc = webkit_web_view_get_dom_document (web_view);
+    frames = webkit_dom_document_query_selector_all (doc, "iframe, frame", NULL);
+    g_object_set_data (G_OBJECT (doc), "framelist", frames);
+    /* Connect to DOMContentLoaded of the main frame */
+    webkit_dom_event_target_add_event_listener(
+                      WEBKIT_DOM_EVENT_TARGET (doc), "DOMContentLoaded",
+                      G_CALLBACK (formhistory_DOMContentLoaded_cb), false,
+                      priv);
+
+    /* Connect to DOMContentLoaded of frames */
+    for (i = 0; i < webkit_dom_node_list_get_length (frames); i++)
+    {
+        WebKitDOMDOMWindow* framewin;
+
+        WebKitDOMNode* frame = webkit_dom_node_list_item (frames, i);
+        if (WEBKIT_DOM_IS_HTML_IFRAME_ELEMENT (frame))
+            framewin = webkit_dom_html_iframe_element_get_content_window (WEBKIT_DOM_HTML_IFRAME_ELEMENT (frame));
+        else
+            framewin = webkit_dom_html_frame_element_get_content_window (WEBKIT_DOM_HTML_FRAME_ELEMENT (frame));
+        g_object_set_data (G_OBJECT (framewin), "framelist", frames);
+        webkit_dom_event_target_add_event_listener (
+                      WEBKIT_DOM_EVENT_TARGET (framewin), "DOMContentLoaded",
+                      G_CALLBACK (formhistory_DOMContentLoaded_cb), false,
+                      priv);
+    }
+}
+
+void
+formhistory_private_destroy (FormHistoryPriv *priv)
+{
+    if (priv->db)
+    {
+        sqlite3_close (priv->db);
+        priv->db = NULL;
+    }
+    if (priv->oldkeyword)
+        g_free (priv->oldkeyword);
+    gtk_widget_destroy (priv->popup);
+    priv->popup = NULL;
+    g_slice_free (FormHistoryPriv, priv);
+    priv = NULL;
+}
+
+gboolean
+formhistory_construct_popup_gui (FormHistoryPriv* priv)
+{
+    GtkTreeModel* model = NULL;
+    GtkWidget* popup;
+    GtkWidget* popup_frame;
+    GtkWidget* scrolled;
+    GtkWidget* treeview;
+    GtkCellRenderer* renderer;
+    GtkTreeViewColumn* column;
+
+    model = (GtkTreeModel*) gtk_list_store_new (1, G_TYPE_STRING);
+    priv->completion_model = model;
+    popup = gtk_window_new (GTK_WINDOW_POPUP);
+    gtk_window_set_type_hint (GTK_WINDOW (popup), GDK_WINDOW_TYPE_HINT_COMBO);
+    popup_frame = gtk_frame_new (NULL);
+    gtk_frame_set_shadow_type (GTK_FRAME (popup_frame), GTK_SHADOW_ETCHED_IN);
+    gtk_container_add (GTK_CONTAINER (popup), popup_frame);
+    scrolled = g_object_new (GTK_TYPE_SCROLLED_WINDOW,
+        "hscrollbar-policy", GTK_POLICY_NEVER,
+        "vscrollbar-policy", GTK_POLICY_AUTOMATIC, NULL);
+    gtk_container_add (GTK_CONTAINER (popup_frame), scrolled);
+    treeview = gtk_tree_view_new_with_model (model);
+    priv->treeview = treeview;
+    gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (treeview), FALSE);
+    gtk_tree_view_set_hover_selection (GTK_TREE_VIEW (treeview), TRUE);
+    gtk_container_add (GTK_CONTAINER (scrolled), treeview);
+    gtk_widget_set_size_request (gtk_scrolled_window_get_vscrollbar (
+        GTK_SCROLLED_WINDOW (scrolled)), -1, 0);
+
+    renderer = gtk_cell_renderer_text_new ();
+    column = gtk_tree_view_column_new_with_attributes ("suggestions", renderer, "text", 0, NULL);
+    gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
+    priv->popup = popup;
+
+    g_signal_connect (treeview, "button-press-event",
+        G_CALLBACK (formhistory_suggestion_selected_cb), priv);
+    return TRUE;
+}
+#endif

extensions/formhistory/formhistory-js-frontend.c

@@ -0,0 +1,149 @@
+/*
+ Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
+ Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+*/
+#include "formhistory-frontend.h"
+#ifdef FORMHISTORY_USE_JS
+
+FormHistoryPriv*
+formhistory_private_new ()
+{
+    FormHistoryPriv* priv;
+
+    priv = g_slice_new (FormHistoryPriv);
+    return priv;
+}
+
+gboolean
+formhistory_construct_popup_gui (FormHistoryPriv* priv)
+{
+    gchar* autosuggest;
+    gchar* style;
+    guint i;
+    gchar* file;
+
+    file = sokoke_find_data_filename ("autosuggestcontrol.js", TRUE);
+    if (!g_file_get_contents (file, &autosuggest, NULL, NULL))
+    {
+        g_free (file);
+        return FALSE;
+    }
+    g_strchomp (autosuggest);
+
+    katze_assign (file, sokoke_find_data_filename ("autosuggestcontrol.css", TRUE));
+    if (!g_file_get_contents (file, &style, NULL, NULL))
+    {
+        g_free (file);
+        return FALSE;
+    }
+    g_strchomp (style);
+    g_free (file);
+
+    i = 0;
+    while (style[i])
+    {
+        if (style[i] == '\n')
+            style[i] = ' ';
+        i++;
+    }
+
+    priv->jsforms = g_strdup_printf (
+         "%s"
+         "window.addEventListener ('DOMContentLoaded',"
+         "function () {"
+         "   if (document.getElementById('formhistory'))"
+         "       return;"
+         "   if (!initSuggestions ())"
+         "       return;"
+         "   var mystyle = document.createElement('style');"
+         "   mystyle.setAttribute('type', 'text/css');"
+         "   mystyle.setAttribute('id', 'formhistory');"
+         "   mystyle.appendChild(document.createTextNode('%s'));"
+         "   var head = document.getElementsByTagName('head')[0];"
+         "   if (head) head.appendChild(mystyle);"
+         "}, true);",
+         autosuggest,
+         style);
+    g_strstrip (priv->jsforms);
+    g_free (style);
+    g_free (autosuggest);
+    return TRUE;
+}
+
+void
+formhistory_setup_suggestions (WebKitWebView*   web_view,
+                               JSContextRef     js_context,
+                               MidoriExtension* extension)
+{
+    GString* suggestions;
+    FormHistoryPriv* priv;
+    static sqlite3_stmt* stmt;
+    const char* sqlcmd;
+    gint result, pos;
+
+    priv = g_object_get_data (G_OBJECT (extension), "priv");
+    if (!priv->db)
+        return;
+
+    if (!stmt)
+    {
+        sqlcmd = "SELECT DISTINCT group_concat(value,'\",\"'), field FROM forms \
+                         GROUP BY field ORDER BY field";
+        sqlite3_prepare_v2 (priv->db, sqlcmd, strlen (sqlcmd) + 1, &stmt, NULL);
+    }
+    result = sqlite3_step (stmt);
+    if (result != SQLITE_ROW)
+    {
+        if (result == SQLITE_ERROR)
+            g_print (_("Failed to select suggestions\n"));
+        sqlite3_reset (stmt);
+        return;
+    }
+    suggestions = g_string_new (
+        "function FormSuggestions(eid) { "
+        "arr = new Array();");
+
+    while (result == SQLITE_ROW)
+    {
+        pos++;
+        const unsigned char* value = sqlite3_column_text (stmt, 0);
+        const unsigned char* key = sqlite3_column_text (stmt, 1);
+        if (value)
+        {
+            g_string_append_printf (suggestions, " arr[\"%s\"] = [\"%s\"]; ",
+                                (gchar*)key, (gchar*)value);
+        }
+        result = sqlite3_step (stmt);
+    }
+    g_string_append (suggestions, "this.suggestions = arr[eid]; }");
+    g_string_append (suggestions, priv->jsforms);
+    sokoke_js_script_eval (js_context, suggestions->str, NULL);
+    g_string_free (suggestions, TRUE);
+}
+
+void
+formhistory_suggestions_hide_cb (WebKitDOMElement* element,
+                                 WebKitDOMEvent*   dom_event,
+                                 FormHistoryPriv*  priv)
+{
+    /* Unused in JS frontend */
+    return;
+}
+
+void
+formhistory_private_destroy (FormHistoryPriv *priv)
+{
+    if (priv->db)
+    {
+        sqlite3_close (priv->db);
+        priv->db = NULL;
+    }
+    katze_assign (priv->jsforms, NULL);
+    g_slice_free (FormHistoryPriv, priv);
+}
+#endif

extensions/formhistory/formhistory.c

@@ -1,124 +1,20 @@
 /*
- Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
+ Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
- Copyright (C) 2009 Christian Dywan <christian@twotoasts.de>
+ Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 */
-
 #define MAXCHARS 60
 #define MINCHARS 2
-
+#include "formhistory-frontend.h"
-#include <midori/midori.h>
-#include <glib/gstdio.h>
-
-#include "config.h"
-#if HAVE_UNISTD_H
-    #include <unistd.h>
-#endif
-
-static GHashTable* global_keys;
-static gchar* jsforms;
-
 
 static void
 formhistory_toggle_state_cb (GtkAction*     action,
                              MidoriBrowser* browser);
 
-static gboolean
-formhistory_prepare_js ()
-{
-   gchar* autosuggest;
-   gchar* style;
-   guint i;
-   gchar* file;
-
-   file = sokoke_find_data_filename ("autosuggestcontrol.js", TRUE);
-   if (!g_file_get_contents (file, &autosuggest, NULL, NULL))
-   {
-       g_free (file);
-       return FALSE;
-   }
-   g_strchomp (autosuggest);
-
-   katze_assign (file, sokoke_find_data_filename ("autosuggestcontrol.css", TRUE));
-   if (!g_file_get_contents (file, &style, NULL, NULL))
-   {
-       g_free (file);
-       return FALSE;
-   }
-   g_strchomp (style);
-   i = 0;
-   while (style[i])
-   {
-       if (style[i] == '\n')
-           style[i] = ' ';
-       i++;
-   }
-
-   jsforms = g_strdup_printf (
-        "%s"
-        "window.addEventListener ('DOMContentLoaded',"
-        "function () {"
-        "   if (document.getElementById('formhistory'))"
-        "       return;"
-        "   if (!initSuggestions ())"
-        "       return;"
-        "   var mystyle = document.createElement('style');"
-        "   mystyle.setAttribute('type', 'text/css');"
-        "   mystyle.setAttribute('id', 'formhistory');"
-        "   mystyle.appendChild(document.createTextNode('%s'));"
-        "   var head = document.getElementsByTagName('head')[0];"
-        "   if (head) head.appendChild(mystyle);"
-        "}, true);",
-        autosuggest,
-        style);
-   g_strstrip (jsforms);
-   g_free (file);
-   g_free (style);
-   g_free (autosuggest);
-   return TRUE;
-}
-
-static gchar*
-formhistory_fixup_value (char* value)
-{
-    guint i = 0;
-    g_strchomp (value);
-    while (value[i])
-    {
-        if (value[i] == '\n')
-            value[i] = ' ';
-        else if (value[i] == '"')
-            value[i] = '\'';
-        i++;
-    }
-    return value;
-}
-
-static gchar*
-formhistory_build_js ()
-{
-    GString* suggestions;
-    GHashTableIter iter;
-    gpointer key, value;
-
-    suggestions = g_string_new (
-        "function FormSuggestions(eid) { "
-        "arr = new Array();");
-    g_hash_table_iter_init (&iter, global_keys);
-    while (g_hash_table_iter_next (&iter, &key, &value))
-    {
-        g_string_append_printf (suggestions, " arr[\"%s\"] = [%s]; ",
-                                (gchar*)key, (gchar*)value);
-    }
-    g_string_append (suggestions, "this.suggestions = arr[eid]; }");
-    g_string_append (suggestions, jsforms);
-    return g_string_free (suggestions, FALSE);
-}
-
 static void
 formhistory_update_database (gpointer     db,
                              const gchar* key,
@@ -127,6 +23,13 @@ formhistory_update_database (gpointer     db,
     gchar* sqlcmd;
     gchar* errmsg;
     gint success;
+    guint length;
+
+    if (!(value && *value))
+        return;
+    length = strlen (value);
+    if (length > MAXCHARS || length < MINCHARS)
+        return;
 
     sqlcmd = sqlite3_mprintf ("INSERT INTO forms VALUES"
                               "('%q', '%q', '%q')",
@@ -141,48 +44,6 @@ formhistory_update_database (gpointer     db,
     }
 }
 
-static gboolean
-formhistory_update_main_hash (gchar* key,
-                              gchar* value)
-{
-    guint length;
-    gchar* tmp;
-
-    if (!(value && *value))
-        return FALSE;
-    length = strlen (value);
-    if (length > MAXCHARS || length < MINCHARS)
-        return FALSE;
-
-    formhistory_fixup_value (key);
-    formhistory_fixup_value (value);
-    if ((tmp = g_hash_table_lookup (global_keys, (gpointer)key)))
-    {
-        gchar* rvalue = g_strdup_printf ("\"%s\"",value);
-        gchar* patt = g_regex_escape_string (rvalue, -1);
-        if (!g_regex_match_simple (patt, tmp,
-                                   G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
-        {
-            gchar* new_value = g_strdup_printf ("%s%s,", tmp, rvalue);
-            g_hash_table_insert (global_keys, g_strdup (key), new_value);
-            g_free (rvalue);
-            g_free (patt);
-        }
-        else
-        {
-            g_free (rvalue);
-            g_free (patt);
-            return FALSE;
-        }
-    }
-    else
-    {
-        gchar* new_value = g_strdup_printf ("\"%s\",",value);
-        g_hash_table_replace (global_keys, g_strdup (key), new_value);
-    }
-    return TRUE;
-}
-
 static gboolean
 formhistory_navigation_decision_cb (WebKitWebView*             web_view,
                                     WebKitWebFrame*            web_frame,
@@ -204,73 +65,60 @@ formhistory_navigation_decision_cb (WebKitWebView*             web_view,
                  "        var eid = inputs[i].getAttribute('id');"
                  "        if (!ename && eid)"
                  "            ename=eid;"
-                 "        if (inputs[i].getAttribute('autocomplete') != 'off')"
+                 "        out += ename+'|,|'+inputs[i].value +'|,|'+inputs[i].type +'|||';"
-                 "            out += ename+'|,|'+inputs[i].value +'|,|'+inputs[i].type +'|||';"
                  "    }"
                  "  }"
                  "  return out;"
                  "}"
                  "dumpForm (document.getElementsByTagName('input'))";
 
-    if (webkit_web_navigation_action_get_reason (action) == WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED)
+    if (webkit_web_navigation_action_get_reason (action) != WEBKIT_WEB_NAVIGATION_REASON_FORM_SUBMITTED)
+        return FALSE;
+
+    FormHistoryPriv* priv = g_object_get_data (G_OBJECT (extension), "priv");
+    JSContextRef js_context = webkit_web_frame_get_global_context (web_frame);
+    gchar* value = sokoke_js_script_eval (js_context, script, NULL);
+
+    formhistory_suggestions_hide_cb (NULL, NULL, priv);
+    if (value && *value)
     {
-        JSContextRef js_context = webkit_web_frame_get_global_context (web_frame);
+        gchar** inputs = g_strsplit (value, "|||", 0);
-        gchar* value = sokoke_js_script_eval (js_context, script, NULL);
+        guint i = 0;
-        if (value && *value)
+        while (inputs[i] != NULL)
         {
-            gpointer db = g_object_get_data (G_OBJECT (extension), "formhistory-db");
+            gchar** parts = g_strsplit (inputs[i], "|,|", 3);
-            gchar** inputs = g_strsplit (value, "|||", 0);
+            if (parts && parts[0] && parts[1] && parts[2])
-            guint i = 0;
-            while (inputs[i] != NULL)
             {
-                gchar** parts = g_strsplit (inputs[i], "|,|", 3);
+                /* FIXME: We need to handle passwords */
-                if (parts && parts[0] && parts[1] && parts[2])
+                if (strcmp (parts[2], "password"))
-                {
+                    formhistory_update_database (priv->db, parts[0], parts[1]);
-                    /* FIXME: We need to handle passwords */
-                    if (strcmp (parts[2], "password"))
-                    {
-                        if (formhistory_update_main_hash (parts[0], parts[1]))
-                            formhistory_update_database (db, parts[0], parts[1]);
-                    }
-                }
-                g_strfreev (parts);
-                i++;
             }
-            g_strfreev (inputs);
+            g_strfreev (parts);
-            g_free (value);
+            i++;
         }
+        g_strfreev (inputs);
+        g_free (value);
     }
     return FALSE;
 }
 
 static void
-formhistory_window_object_cleared_cb (WebKitWebView*  web_view,
+formhistory_window_object_cleared_cb (WebKitWebView*   web_view,
-                                      WebKitWebFrame* web_frame,
+                                      WebKitWebFrame*  web_frame,
-                                      JSContextRef    js_context,
+                                      JSContextRef     js_context,
-                                      JSObjectRef     js_window)
+                                      JSObjectRef      js_window,
+                                      MidoriExtension* extension)
 {
-    gchar* script;
     const gchar* page_uri;
 
     page_uri = webkit_web_frame_get_uri (web_frame);
-    if (!midori_uri_is_http (page_uri))
+    if (!page_uri)
         return;
 
-    script = formhistory_build_js ();
+    if (!midori_uri_is_http (page_uri) && !g_str_has_prefix (page_uri, "file"))
-    sokoke_js_script_eval (js_context, script, NULL);
+        return;
-    g_free (script);
-}
 
-static void
+    formhistory_setup_suggestions (web_view, js_context, extension);
-formhistory_add_tab_cb (MidoriBrowser*   browser,
-                        MidoriView*      view,
-                        MidoriExtension* extension)
-{
-    GtkWidget* web_view = midori_view_get_web_view (view);
-    g_signal_connect (web_view, "window-object-cleared",
-            G_CALLBACK (formhistory_window_object_cleared_cb), NULL);
-    g_signal_connect (web_view, "navigation-policy-decision-requested",
-        G_CALLBACK (formhistory_navigation_decision_cb), extension);
 }
 
 static void
@@ -278,11 +126,26 @@ formhistory_deactivate_cb (MidoriExtension* extension,
                            MidoriBrowser*   browser);
 
 static void
-formhistory_add_tab_foreach_cb (MidoriView*     view,
+formhistory_add_tab_cb (MidoriBrowser*   browser,
-                                MidoriBrowser*  browser,
+                        MidoriView*      view,
+                        MidoriExtension* extension)
+{
+    g_return_if_fail (MIDORI_IS_VIEW (view));
+    g_return_if_fail (MIDORI_IS_EXTENSION (extension));
+    GtkWidget* web_view = midori_view_get_web_view (view);
+
+    g_signal_connect (web_view, "window-object-cleared",
+        G_CALLBACK (formhistory_window_object_cleared_cb), extension);
+    g_signal_connect (web_view, "navigation-policy-decision-requested",
+        G_CALLBACK (formhistory_navigation_decision_cb), extension);
+}
+
+static void
+formhistory_add_tab_foreach_cb (MidoriView*      view,
                                 MidoriExtension* extension)
 {
-    formhistory_add_tab_cb (browser, view, extension);
+    g_return_if_fail (MIDORI_IS_VIEW (view));
+    formhistory_add_tab_cb (NULL, view, extension);
 }
 
 static void
@@ -290,6 +153,10 @@ formhistory_app_add_browser_cb (MidoriApp*       app,
                                 MidoriBrowser*   browser,
                                 MidoriExtension* extension)
 {
+    g_return_if_fail (MIDORI_IS_APP (app));
+    g_return_if_fail (MIDORI_IS_BROWSER (browser));
+    g_return_if_fail (MIDORI_IS_EXTENSION (extension));
+
     GtkAccelGroup* acg = gtk_accel_group_new ();
     GtkActionGroup* action_group = midori_browser_get_action_group (browser);
     GtkAction* action = gtk_action_new ("FormHistoryToggleState",
@@ -318,13 +185,15 @@ formhistory_app_add_browser_cb (MidoriApp*       app,
 }
 
 static void
-formhistory_deactivate_tabs (MidoriView*      view,
+formhistory_deactivate_tab (MidoriView*      view,
-                             MidoriBrowser*   browser,
+                            MidoriExtension* extension)
-                             MidoriExtension* extension)
 {
+    g_return_if_fail (MIDORI_IS_VIEW (view));
+    g_return_if_fail (MIDORI_IS_EXTENSION (extension));
     GtkWidget* web_view = midori_view_get_web_view (view);
+
     g_signal_handlers_disconnect_by_func (
-       web_view, formhistory_window_object_cleared_cb, NULL);
+       web_view, formhistory_window_object_cleared_cb, extension);
     g_signal_handlers_disconnect_by_func (
        web_view, formhistory_navigation_decision_cb, extension);
 }
@@ -334,7 +203,7 @@ formhistory_deactivate_cb (MidoriExtension* extension,
                            MidoriBrowser*   browser)
 {
     MidoriApp* app = midori_extension_get_app (extension);
-    sqlite3* db;
+    FormHistoryPriv* priv = g_object_get_data (G_OBJECT (extension), "priv");
 
     GtkActionGroup* action_group = midori_browser_get_action_group (browser);
     GtkAction* action;
@@ -346,7 +215,7 @@ formhistory_deactivate_cb (MidoriExtension* extension,
     g_signal_handlers_disconnect_by_func (
         app, formhistory_app_add_browser_cb, extension);
     midori_browser_foreach (browser,
-        (GtkCallback)formhistory_deactivate_tabs, extension);
+        (GtkCallback)formhistory_deactivate_tab, extension);
 
     g_object_set_data (G_OBJECT (browser), "FormHistoryExtension", NULL);
     action = gtk_action_group_get_action ( action_group, "FormHistoryToggleState");
@@ -356,40 +225,7 @@ formhistory_deactivate_cb (MidoriExtension* extension,
         g_object_unref (action);
     }
 
-    katze_assign (jsforms, NULL);
+    formhistory_private_destroy (priv);
-    if (global_keys)
-        g_hash_table_destroy (global_keys);
-
-    if ((db = g_object_get_data (G_OBJECT (extension), "formhistory-db")))
-        sqlite3_close (db);
-}
-
-static int
-formhistory_add_field (gpointer  data,
-                       int       argc,
-                       char**    argv,
-                       char**    colname)
-{
-    gint i;
-    gint ncols = 3;
-
-    /* Test whether have the right number of columns */
-    g_return_val_if_fail (argc % ncols == 0, 1);
-
-    for (i = 0; i < (argc - ncols) + 1; i++)
-    {
-        if (argv[i])
-        {
-            if (colname[i] && !g_ascii_strcasecmp (colname[i], "domain")
-             && colname[i + 1] && !g_ascii_strcasecmp (colname[i + 1], "field")
-             && colname[i + 2] && !g_ascii_strcasecmp (colname[i + 2], "value"))
-            {
-                gchar* key = argv[i + 1];
-                formhistory_update_main_hash (g_strdup (key), g_strdup (argv[i + 2]));
-            }
-        }
-    }
-    return 0;
 }
 
 static void
@@ -402,12 +238,11 @@ formhistory_activate_cb (MidoriExtension* extension,
     char* errmsg = NULL, *errmsg2 = NULL;
     KatzeArray* browsers;
     MidoriBrowser* browser;
+    FormHistoryPriv* priv;
+
+    priv = formhistory_private_new ();
+    formhistory_construct_popup_gui (priv);
 
-    global_keys = g_hash_table_new_full (g_str_hash, g_str_equal,
-                               (GDestroyNotify)g_free,
-                               (GDestroyNotify)g_free);
-    if(!jsforms)
-        formhistory_prepare_js ();
     config_dir = midori_extension_get_config_dir (extension);
     katze_mkdir_with_parents (config_dir, 0700);
     filename = g_build_filename (config_dir, "forms.db", NULL);
@@ -421,11 +256,10 @@ formhistory_activate_cb (MidoriExtension* extension,
     g_free (filename);
     if ((sqlite3_exec (db, "CREATE TABLE IF NOT EXISTS "
                            "forms (domain text, field text, value text)",
-                           NULL, NULL, &errmsg) == SQLITE_OK)
+                           NULL, NULL, &errmsg) == SQLITE_OK))
-        && (sqlite3_exec (db, "SELECT domain, field, value FROM forms ",
+    {
-                          formhistory_add_field,
+        priv->db = db;
-                          NULL, &errmsg2) == SQLITE_OK))
+    }
-        g_object_set_data (G_OBJECT (extension), "formhistory-db", db);
     else
     {
         if (errmsg)
@@ -441,6 +275,7 @@ formhistory_activate_cb (MidoriExtension* extension,
         sqlite3_close (db);
     }
 
+    g_object_set_data (G_OBJECT (extension), "priv", priv);
     browsers = katze_object_get_object (app, "browsers");
     KATZE_ARRAY_FOREACH_ITEM (browser, browsers)
         formhistory_app_add_browser_cb (app, browser, extension);
@@ -477,7 +312,7 @@ formhistory_preferences_response_cb (GtkWidget*       dialog,
             KATZE_ARRAY_FOREACH_ITEM (browser, browsers)
             {
                 midori_browser_foreach (browser,
-                    (GtkCallback)formhistory_deactivate_tabs, extension);
+                    (GtkCallback)formhistory_deactivate_tab, extension);
                 g_signal_handlers_disconnect_by_func (
                     browser, formhistory_add_tab_cb, extension);
 
@@ -534,7 +369,7 @@ formhistory_toggle_state_cb (GtkAction*     action,
         g_signal_lookup ("window-object-cleared", MIDORI_TYPE_VIEW), 0, NULL,
         formhistory_window_object_cleared_cb, extension))
     {
-        formhistory_deactivate_tabs (view, browser, extension);
+        formhistory_deactivate_tab (view, extension);
     } else {
         formhistory_add_tab_cb (browser, view, extension);
     }
@@ -560,23 +395,12 @@ formhistory_toggle_state_cb (GtkAction*     action,
 MidoriExtension*
 extension_init (void)
 {
-    gboolean should_init = TRUE;
     const gchar* ver;
     gchar* desc;
     MidoriExtension* extension;
 
-    if (formhistory_prepare_js ())
+    ver = "2.0" MIDORI_VERSION_SUFFIX;
-    {
+    desc = g_strdup (_("Stores history of entered form data"));
-        ver = "1.0" MIDORI_VERSION_SUFFIX;
-        desc = g_strdup (_("Stores history of entered form data"));
-    }
-    else
-    {
-        desc = g_strdup_printf (_("Not available: %s"),
-                                _("Resource files not installed"));
-        ver = NULL;
-        should_init = FALSE;
-    }
 
     extension = g_object_new (MIDORI_TYPE_EXTENSION,
         "name", _("Form history filler"),
@@ -587,14 +411,11 @@ extension_init (void)
 
     g_free (desc);
 
-    if (should_init)
+    midori_extension_install_boolean (extension, "always-load", TRUE);
-    {
+    g_signal_connect (extension, "activate",
-        midori_extension_install_boolean (extension, "always-load", TRUE);
+        G_CALLBACK (formhistory_activate_cb), NULL);
-        g_signal_connect (extension, "activate",
+    g_signal_connect (extension, "open-preferences",
-            G_CALLBACK (formhistory_activate_cb), NULL);
+        G_CALLBACK (formhistory_preferences_cb), NULL);
-        g_signal_connect (extension, "open-preferences",
-            G_CALLBACK (formhistory_preferences_cb), NULL);
-    }
 
     return extension;
 }