path: root/src/ephy-history-window.c

/*
 *  Copyright (C) 2003 Marco Pesenti Gritti <mpeseng@tin.it>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#include <gtk/gtktable.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkstock.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtkvbox.h>
#include <gdk/gdkkeysyms.h>
#include <libgnome/gnome-i18n.h>
#include <libgnomeui/gnome-stock-icons.h>
#include <string.h>

#include "ephy-node-view.h"
#include "ephy-window.h"
#include "ephy-history-window.h"
#include "ephy-shell.h"
#include "ephy-dnd.h"
#include "ephy-prefs.h"
#include "egg-action-group.h"
#include "egg-toggle-action.h"
#include "egg-menu-merge.h"
#include "ephy-state.h"
#include "window-commands.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"
#include "ephy-new-bookmark.h"
#include "ephy-stock-icons.h"
#include "ephy-gui.h"
#include "toolbar.h"

static GtkTargetEntry page_drag_types [] =
{
        { EPHY_DND_URI_LIST_TYPE,   0, 0 },
        { EPHY_DND_TEXT_TYPE,       0, 1 },
        { EPHY_DND_URL_TYPE,        0, 2 },
    { EPHY_DND_BOOKMARK_TYPE,   0, 3 }
};
static int n_page_drag_types = G_N_ELEMENTS (page_drag_types);

static void ephy_history_window_class_init (EphyHistoryWindowClass *klass);
static void ephy_history_window_init (EphyHistoryWindow *editor);
static void ephy_history_window_finalize (GObject *object);
static void ephy_history_window_set_property (GObject *object,
                                      guint prop_id,
                                      const GValue *value,
                                      GParamSpec *pspec);
static void ephy_history_window_get_property (GObject *object,
                          guint prop_id,
                          GValue *value,
                          GParamSpec *pspec);
static void ephy_history_window_dispose      (GObject *object);

static void search_entry_changed_cb       (GtkWidget *entry,
                       EphyHistoryWindow *editor);
static void cmd_open_bookmarks_in_tabs    (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_open_bookmarks_in_browser (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_delete                    (EggAction *action,
                                           EphyHistoryWindow *editor);
static void cmd_bookmark_page             (EggAction *action,
                                           EphyHistoryWindow *editor);
static void cmd_clear             (EggAction *action,
                           EphyHistoryWindow *editor);
static void cmd_close             (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_cut           (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_copy              (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_paste             (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_select_all        (EggAction *action,
                       EphyHistoryWindow *editor);
static void cmd_help_contents         (EggAction *action,
                       EphyHistoryWindow *editor);

struct EphyHistoryWindowPrivate
{
    EphyHistory *history;
    GtkWidget *sites_view;
    GtkWidget *pages_view;
    EphyNodeFilter *pages_filter;
    GtkWidget *search_entry;
    GtkWidget *menu_dock;
    GtkWidget *window;
    EggMenuMerge *ui_merge;
    EggActionGroup *action_group;
    GtkWidget *confirmation_dialog;
};

enum
{
    PROP_0,
    PROP_HISTORY
};

static GObjectClass *parent_class = NULL;

static EggActionGroupEntry ephy_history_ui_entries [] = {
    /* Toplevel */
    { "File", N_("_File"), NULL, NULL, NULL, NULL, NULL },
    { "Edit", N_("_Edit"), NULL, NULL, NULL, NULL, NULL },
    { "View", N_("_View"), NULL, NULL, NULL, NULL, NULL },
    { "Help", N_("_Help"), NULL, NULL, NULL, NULL, NULL },
    { "FakeToplevel", (""), NULL, NULL, NULL, NULL, NULL },

    /* File Menu */
    { "OpenInWindow", N_("_Open in New Window"), GTK_STOCK_OPEN, "<control>O",
      N_("Open the selected history item in a new window"),
      G_CALLBACK (cmd_open_bookmarks_in_browser), NULL },
    { "OpenInTab", N_("Open in New _Tab"), NULL, "<shift><control>O",
      N_("Open the selected history item in a new tab"),
      G_CALLBACK (cmd_open_bookmarks_in_tabs), NULL },
    { "Delete", N_("_Delete"), GTK_STOCK_DELETE, NULL,
      N_("Delete the selected history item"),
      G_CALLBACK (cmd_delete), NULL },
    { "BookmarkPage", N_("Boo_kmark Page..."), EPHY_STOCK_BOOKMARK_PAGE, "<control>D",
      N_("Bookmark the selected history item"),
      G_CALLBACK (cmd_bookmark_page), NULL },
    { "Close", N_("_Close"), GTK_STOCK_CLOSE, "<control>W",
      N_("Close the history window"),
      G_CALLBACK (cmd_close), NULL },

    /* Edit Menu */
    { "Cut", N_("Cu_t"), GTK_STOCK_CUT, "<control>X",
      N_("Cut the selection"),
      G_CALLBACK (cmd_cut), NULL },
    { "Copy", N_("_Copy"), GTK_STOCK_COPY, "<control>C",
      N_("Copy the selection"),
      G_CALLBACK (cmd_copy), NULL },
    { "Paste", N_("_Paste"), GTK_STOCK_PASTE, "<control>V",
      N_("Paste the clipboard"),
      G_CALLBACK (cmd_paste), NULL },
    { "SelectAll", N_("Select _All"), NULL, "<control>A",
      N_("Select all history items or text"),
      G_CALLBACK (cmd_select_all), NULL },
    { "Clear", N_("C_lear History"), GTK_STOCK_CLEAR, NULL,
      N_("Clear your browsing history"),
      G_CALLBACK (cmd_clear), NULL },

    /* View Menu */
    { "ViewTitle", N_("_Title"), NULL, NULL,
      N_("Show only the title column"),
      NULL, NULL, RADIO_ACTION, NULL },
    { "ViewLocation", N_("_Location"), NULL, NULL,
      N_("Show only the location column"),
      NULL, NULL, RADIO_ACTION, "ViewTitle" },
    { "ViewTitleLocation", N_("T_itle and Location"), NULL, NULL,
      N_("Show both the title and location columns"),
      NULL, NULL, RADIO_ACTION, "ViewTitle" },

    /* Help Menu */
    { "HelpContents", N_("_Contents"), GTK_STOCK_HELP, "F1",
      N_("Display history help"),
      G_CALLBACK (cmd_help_contents), NULL },
    { "HelpAbout", N_("_About"), GNOME_STOCK_ABOUT, NULL,
      N_("Display credits for the web browser creators"),
      G_CALLBACK (window_cmd_help_about), NULL },
};
static guint ephy_history_ui_n_entries = G_N_ELEMENTS (ephy_history_ui_entries);

static void
confirmation_dialog_response_cb (GtkDialog *dialog, gint response,
                 EphyHistoryWindow *editor)
{
    const GList *windows;
    Session *session;

    gtk_widget_destroy (GTK_WIDGET (dialog));

    if (response != GTK_RESPONSE_OK)
        return;

    session = ephy_shell_get_session (ephy_shell);
    windows = session_get_windows (session);

    for (; windows != NULL; windows = windows->next)
    {
        Toolbar *t;

        t = ephy_window_get_toolbar (EPHY_WINDOW (windows->data));
        toolbar_clear_location_history (t);
    }

    ephy_history_clear (editor->priv->history);
}

static GtkWidget *
confirmation_dialog_construct (EphyHistoryWindow *editor)
{
    GtkWidget *dialog;
    GtkWidget *label;
    GtkWidget *vbox;
    GtkWidget *hbox;
    GtkWidget *image;
    char *str;

    dialog = gtk_dialog_new_with_buttons (_("Clear history"),
                         GTK_WINDOW (editor),
                         GTK_DIALOG_DESTROY_WITH_PARENT |
                         GTK_DIALOG_NO_SEPARATOR,
                         GTK_STOCK_CANCEL,
                         GTK_RESPONSE_CANCEL,
                         GTK_STOCK_CLEAR,
                         GTK_RESPONSE_OK,
                         NULL);
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
    gtk_container_set_border_width (GTK_CONTAINER (dialog), 6);
    gtk_box_set_spacing (GTK_BOX (GTK_DIALOG (dialog)->vbox), 12);

    hbox = gtk_hbox_new (FALSE, 6);
    gtk_widget_show (hbox);
    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox,
                TRUE, TRUE, 0);

    image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_WARNING,
                      GTK_ICON_SIZE_DIALOG);
    gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
    gtk_widget_show (image);
    gtk_box_pack_start (GTK_BOX (hbox), image, TRUE, TRUE, 0);

    vbox = gtk_vbox_new (FALSE, 6);
    gtk_widget_show (vbox);
    gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);

    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
    str = g_strconcat ("<b><big>", _("Clear browsing history?"),
               "</big></b>", NULL);
    gtk_label_set_markup (GTK_LABEL (label), str);
    g_free (str);
    gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
    gtk_widget_show (label);

    label = gtk_label_new (_("Clearing the browsing history will cause all"
                 " history items to be permanently deleted."));
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
    gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
    gtk_widget_show (label);

    g_signal_connect (dialog, "response",
              G_CALLBACK (confirmation_dialog_response_cb),
              editor);

    return dialog;
}

static void
cmd_clear (EggAction *action,
       EphyHistoryWindow *editor)
{
    if (editor->priv->confirmation_dialog == NULL)
    {
        editor->priv->confirmation_dialog = confirmation_dialog_construct (editor);
        g_object_add_weak_pointer (G_OBJECT(editor->priv->confirmation_dialog),
                       (gpointer *)&editor->priv->confirmation_dialog);
    }

    gtk_widget_show (editor->priv->confirmation_dialog);
}

static void
cmd_close (EggAction *action,
       EphyHistoryWindow *editor)
{
    if (editor->priv->confirmation_dialog != NULL)
    {
        gtk_widget_destroy (editor->priv->confirmation_dialog);
    }
    gtk_widget_hide (GTK_WIDGET (editor));
}

static GtkWidget *
get_target_window (EphyHistoryWindow *editor)
{
    if (editor->priv->window)
    {
        return editor->priv->window;
    }
    else
    {
        return GTK_WIDGET (ephy_shell_get_active_window (ephy_shell));
    }
}

static void
cmd_open_bookmarks_in_tabs (EggAction *action,
                EphyHistoryWindow *editor)
{
    EphyWindow *window;
    GList *selection;
    GList *l;

    window = EPHY_WINDOW (get_target_window (editor));
    selection = ephy_node_view_get_selection (EPHY_NODE_VIEW (editor->priv->pages_view));

    for (l = selection; l; l = l->next)
    {
        EphyNode *node = EPHY_NODE (l->data);
        const char *location;

        location = ephy_node_get_property_string (node,
                        EPHY_NODE_PAGE_PROP_LOCATION);

        ephy_shell_new_tab (ephy_shell, window, NULL, location,
            EPHY_NEW_TAB_APPEND_GROUPED | EPHY_NEW_TAB_IN_EXISTING_WINDOW);
    }

    g_list_free (selection);
}

static void
cmd_open_bookmarks_in_browser (EggAction *action,
                   EphyHistoryWindow *editor)
{
    EphyWindow *window;
    GList *selection;
    GList *l;

    window = EPHY_WINDOW (get_target_window (editor));
    selection = ephy_node_view_get_selection (EPHY_NODE_VIEW (editor->priv->pages_view));

    for (l = selection; l; l = l->next)
    {
        EphyNode *node = EPHY_NODE (l->data);
        const char *location;

        location = ephy_node_get_property_string (node,
                        EPHY_NODE_PAGE_PROP_LOCATION);

        ephy_shell_new_tab (ephy_shell, window, NULL, location,
                    EPHY_NEW_TAB_IN_NEW_WINDOW);
    }

    g_list_free (selection);
}

static void
cmd_cut (EggAction *action,
     EphyHistoryWindow *editor)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (editor));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_cut_clipboard (GTK_EDITABLE (widget));
    }
}

static void
cmd_copy (EggAction *action,
      EphyHistoryWindow *editor)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (editor));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_copy_clipboard (GTK_EDITABLE (widget));
    }

    else if (ephy_node_view_is_target (EPHY_NODE_VIEW (editor->priv->pages_view)))
    {
        GList *selection;

        selection = ephy_node_view_get_selection (EPHY_NODE_VIEW (editor->priv->pages_view));

        if (g_list_length (selection) == 1)
        {
            const char *tmp;
            EphyNode *node = EPHY_NODE (selection->data);
            tmp = ephy_node_get_property_string (node, EPHY_NODE_PAGE_PROP_LOCATION);
            gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), tmp, -1);
        }

        g_list_free (selection);
    }
}

static void
cmd_paste (EggAction *action,
       EphyHistoryWindow *editor)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (editor));

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_paste_clipboard (GTK_EDITABLE (widget));
    }
}

static void
cmd_select_all (EggAction *action,
        EphyHistoryWindow *editor)
{
    GtkWidget *widget = gtk_window_get_focus (GTK_WINDOW (editor));
    GtkWidget *pages_view = editor->priv->pages_view;

    if (GTK_IS_EDITABLE (widget))
    {
        gtk_editable_select_region (GTK_EDITABLE (widget), 0, -1);
    }
    else if (ephy_node_view_is_target (EPHY_NODE_VIEW (pages_view)))
    {
        GtkTreeSelection *sel;

        sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (pages_view));
        gtk_tree_selection_select_all (sel);
    }
}

static void
cmd_delete (EggAction *action,
            EphyHistoryWindow *editor)
{
    if (ephy_node_view_is_target (EPHY_NODE_VIEW (editor->priv->pages_view)))
    {
        ephy_node_view_remove (EPHY_NODE_VIEW (editor->priv->pages_view));
    }
}

static void
cmd_bookmark_page (EggAction *action,
                   EphyHistoryWindow *editor)
{
        GtkWindow *window;
        EphyBookmarks *bookmarks;
        GtkWidget *new_bookmark;
        GList *selection;

        window = GTK_WINDOW(get_target_window (editor));
        bookmarks = ephy_shell_get_bookmarks (ephy_shell);

        selection = ephy_node_view_get_selection (EPHY_NODE_VIEW (editor->priv->pages_view));

    if (g_list_length (selection) == 1)
    {
        const char *location;
        const char *title;
        EphyNode *node;

        node = EPHY_NODE (selection->data);
        location = ephy_node_get_property_string (node, EPHY_NODE_PAGE_PROP_LOCATION);
        title = ephy_node_get_property_string (node, EPHY_NODE_PAGE_PROP_TITLE);
        new_bookmark = ephy_new_bookmark_new
            (bookmarks, window, location);
        ephy_new_bookmark_set_title
            (EPHY_NEW_BOOKMARK (new_bookmark), title);
        g_signal_connect (G_OBJECT (new_bookmark), "response",
                  G_CALLBACK (ephy_new_bookmark_response_cb),
                  NULL);
        gtk_widget_show (new_bookmark);
    }
    g_list_free (selection);
}

static void
cmd_help_contents (EggAction *action,
           EphyHistoryWindow *editor)
{
    ephy_gui_help (GTK_WINDOW (editor),
               "epiphany", 
               "ephy-managing-history");
}

GType
ephy_history_window_get_type (void)
{
    static GType ephy_history_window_type = 0;

    if (ephy_history_window_type == 0)
    {
        static const GTypeInfo our_info =
        {
            sizeof (EphyHistoryWindowClass),
            NULL,
            NULL,
            (GClassInitFunc) ephy_history_window_class_init,
            NULL,
            NULL,
            sizeof (EphyHistoryWindow),
            0,
            (GInstanceInitFunc) ephy_history_window_init
        };

        ephy_history_window_type = g_type_register_static (GTK_TYPE_WINDOW,
                                         "EphyHistoryWindow",
                                         &our_info, 0);
    }

    return ephy_history_window_type;
}

static void
ephy_history_window_class_init (EphyHistoryWindowClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_history_window_finalize;

    object_class->set_property = ephy_history_window_set_property;
    object_class->get_property = ephy_history_window_get_property;
    object_class->dispose  = ephy_history_window_dispose;

    g_object_class_install_property (object_class,
                     PROP_HISTORY,
                     g_param_spec_object ("history",
                                  "Global history",
                                  "Global History",
                                  EPHY_HISTORY_TYPE,
                                  G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}

static void
ephy_history_window_finalize (GObject *object)
{
    EphyHistoryWindow *editor;

    g_return_if_fail (object != NULL);
    g_return_if_fail (EPHY_IS_HISTORY_WINDOW (object));

    editor = EPHY_HISTORY_WINDOW (object);

    g_return_if_fail (editor->priv != NULL);

    g_object_unref (G_OBJECT (editor->priv->pages_filter));

    g_object_unref (editor->priv->action_group);
    egg_menu_merge_remove_action_group (editor->priv->ui_merge,
                        editor->priv->action_group);
    g_object_unref (editor->priv->ui_merge);

    if (editor->priv->window)
    {
        g_object_remove_weak_pointer
                        (G_OBJECT(editor->priv->window),
                         (gpointer *)&editor->priv->window);
    }

    g_free (editor->priv);

    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
ephy_history_window_node_activated_cb (GtkWidget *view,
                         EphyNode *node,
                     EphyHistoryWindow *editor)
{
    const char *location;
    EphyWindow *window;

    g_return_if_fail (EPHY_IS_NODE (node));
    location = ephy_node_get_property_string
        (node, EPHY_NODE_PAGE_PROP_LOCATION);
    g_return_if_fail (location != NULL);

    window = EPHY_WINDOW (get_target_window (editor));
    if (window != NULL)
    {
        ephy_window_load_url (EPHY_WINDOW (window), location);
        gtk_window_present (GTK_WINDOW (window));
    }
    else
    {
        /* We have to create a browser window */
        ephy_shell_new_tab (ephy_shell, NULL, NULL, location,
                    EPHY_NEW_TAB_IN_NEW_WINDOW);
    }
}

static void
ephy_history_window_update_menu (EphyHistoryWindow *editor)
{
    gboolean open_in_window, open_in_tab;
    gboolean cut, copy, paste, select_all;
    gboolean pages_focus, pages_selection;
    gboolean pages_multiple_selection;
    gboolean delete, bookmark_page;
    EggActionGroup *action_group;
    EggAction *action;
    char *open_in_window_label, *open_in_tab_label, *copy_label;
    GtkWidget *focus_widget;

    pages_focus = ephy_node_view_is_target
        (EPHY_NODE_VIEW (editor->priv->pages_view));
    pages_selection = ephy_node_view_has_selection
        (EPHY_NODE_VIEW (editor->priv->pages_view),
         &pages_multiple_selection);
    focus_widget = gtk_window_get_focus (GTK_WINDOW (editor));

    if (GTK_IS_EDITABLE (focus_widget))
    {
        gboolean has_selection;
        gboolean clipboard_contains_text;

        has_selection = gtk_editable_get_selection_bounds
            (GTK_EDITABLE (focus_widget), NULL, NULL);
        clipboard_contains_text = gtk_clipboard_wait_is_text_available
            (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD));

        cut = has_selection;
        copy = has_selection;
        paste = clipboard_contains_text;
        select_all = TRUE;
    }
    else
    {
        cut = FALSE;
        copy = (pages_focus && !pages_multiple_selection && pages_selection);
        paste = FALSE;
        select_all = pages_focus;
    }

    if (pages_multiple_selection)
    {
        open_in_window_label = N_("_Open in New Windows");
        open_in_tab_label = N_("Open in New _Tabs");
    }
    else
    {
        open_in_window_label = _("_Open in New Window");
        open_in_tab_label = _("Open in New _Tab");
    }

    if (pages_focus)
    {
        copy_label = _("_Copy Location");
    }
    else
    {
        copy_label = _("_Copy");
    }


    open_in_window = (pages_focus && pages_selection);
    open_in_tab = (pages_focus && pages_selection);
        delete = (pages_focus && pages_selection);
    bookmark_page = (pages_focus && pages_selection && !pages_multiple_selection);

    action_group = editor->priv->action_group;
    action = egg_action_group_get_action (action_group, "OpenInWindow");
    g_object_set (action, "sensitive", open_in_window, NULL);
    g_object_set (action, "label", open_in_window_label, NULL);
    action = egg_action_group_get_action (action_group, "OpenInTab");
    g_object_set (action, "sensitive", open_in_tab, NULL);
    g_object_set (action, "label", open_in_tab_label, NULL);
    action = egg_action_group_get_action (action_group, "Cut");
    g_object_set (action, "sensitive", cut, NULL);
    action = egg_action_group_get_action (action_group, "Copy");
    g_object_set (action, "sensitive", copy, NULL);
    g_object_set (action, "label", copy_label, NULL);
    action = egg_action_group_get_action (action_group, "Paste");
    g_object_set (action, "sensitive", paste, NULL);
    action = egg_action_group_get_action (action_group, "SelectAll");
    g_object_set (action, "sensitive", select_all, NULL);
    action = egg_action_group_get_action (action_group, "Delete");
    g_object_set (action, "sensitive", delete, NULL);
    action = egg_action_group_get_action (action_group, "BookmarkPage");
    g_object_set (action, "sensitive", bookmark_page, NULL);
}

static void
entry_selection_changed_cb (GtkWidget *widget, GParamSpec *pspec, EphyHistoryWindow *editor)
{
    ephy_history_window_update_menu (editor);
}

static void
add_entry_monitor (EphyHistoryWindow *editor, GtkWidget *entry)
{
        g_signal_connect (G_OBJECT (entry),
                          "notify::selection-bound",
                          G_CALLBACK (entry_selection_changed_cb),
                          editor);
        g_signal_connect (G_OBJECT (entry),
                          "notify::cursor-position",
                          G_CALLBACK (entry_selection_changed_cb),
                          editor);
}

static gboolean
view_focus_cb (EphyNodeView *view,
               GdkEventFocus *event,
               EphyHistoryWindow *editor)
{
       ephy_history_window_update_menu (editor);

       return FALSE;
}

static void
add_focus_monitor (EphyHistoryWindow *editor, GtkWidget *widget)
{
       g_signal_connect (G_OBJECT (widget),
                         "focus_in_event",
                         G_CALLBACK (view_focus_cb),
                         editor);
       g_signal_connect (G_OBJECT (widget),
                         "focus_out_event",
                         G_CALLBACK (view_focus_cb),
                         editor);
}

static void
remove_focus_monitor (EphyHistoryWindow *editor, GtkWidget *widget)
{
       g_signal_handlers_disconnect_by_func (G_OBJECT (widget),
                                             G_CALLBACK (view_focus_cb),
                                             editor);
}

static void
ephy_history_window_show_popup_cb (GtkWidget *view,
                   EphyHistoryWindow *editor)
{
    GtkWidget *widget;

    widget = egg_menu_merge_get_widget (editor->priv->ui_merge,
                        "/popups/EphyHistoryWindowPopup");
    gtk_menu_popup (GTK_MENU (widget), NULL, NULL, NULL, NULL, 2,
            gtk_get_current_event_time ());
}

static void
pages_filter (EphyHistoryWindow *editor,
          EphyNode *site)
{
    ephy_node_filter_empty (editor->priv->pages_filter);
    ephy_node_filter_add_expression (editor->priv->pages_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_HAS_PARENT,
                                          site),
                         0);
    ephy_node_filter_done_changing (editor->priv->pages_filter);
}

static gboolean
key_pressed_cb (EphyNodeView *view,
        GdkEventKey *event,
        EphyHistoryWindow *editor)
{
    switch (event->keyval)
    {
    case GDK_Delete:
    case GDK_KP_Delete:
        cmd_delete (NULL, editor);
        return TRUE;

    default:
        break;
    }

    return FALSE;
}

static void
reset_search_entry (EphyHistoryWindow *editor)
{
    g_signal_handlers_block_by_func
        (G_OBJECT (editor->priv->search_entry),
         G_CALLBACK (search_entry_changed_cb),
         editor);
    gtk_entry_set_text (GTK_ENTRY (editor->priv->search_entry), "");
    g_signal_handlers_unblock_by_func
        (G_OBJECT (editor->priv->search_entry),
         G_CALLBACK (search_entry_changed_cb),
         editor);
}

static void
site_node_selected_cb (EphyNodeView *view,
               EphyNode *node,
               EphyHistoryWindow *editor)
{
    EphyNode *pages;

    if (node == NULL)
    {
        pages = ephy_history_get_pages (editor->priv->history);
        ephy_node_view_select_node (EPHY_NODE_VIEW (editor->priv->sites_view), pages);
    }
    else
    {
        reset_search_entry (editor);
        pages_filter (editor, node);
    }
}

static void
search_entry_changed_cb (GtkWidget *entry, EphyHistoryWindow *editor)
{
    EphyNode *all;
    char *search_text;

    g_signal_handlers_block_by_func
        (G_OBJECT (editor->priv->sites_view),
         G_CALLBACK (site_node_selected_cb),
         editor);
    all = ephy_history_get_pages (editor->priv->history);
    ephy_node_view_select_node (EPHY_NODE_VIEW (editor->priv->sites_view),
                    all);
    g_signal_handlers_unblock_by_func
        (G_OBJECT (editor->priv->sites_view),
         G_CALLBACK (site_node_selected_cb),
         editor);

    search_text = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1);

    GDK_THREADS_ENTER ();

    ephy_node_filter_empty (editor->priv->pages_filter);
    ephy_node_filter_add_expression (editor->priv->pages_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_CONTAINS,
                                          EPHY_NODE_PAGE_PROP_TITLE,
                                          search_text),
                         0);
    ephy_node_filter_add_expression (editor->priv->pages_filter,
                         ephy_node_filter_expression_new (EPHY_NODE_FILTER_EXPRESSION_STRING_PROP_CONTAINS,
                                          EPHY_NODE_PAGE_PROP_LOCATION,
                                          search_text),
                         0);
    ephy_node_filter_done_changing (editor->priv->pages_filter);

    GDK_THREADS_LEAVE ();

    g_free (search_text);
}

static GtkWidget *
build_search_box (EphyHistoryWindow *editor)
{
    GtkWidget *box;
    GtkWidget *label;
    GtkWidget *entry;
    char *str;

    box = gtk_hbox_new (FALSE, 6);
    gtk_container_set_border_width (GTK_CONTAINER (box), 6);
    gtk_widget_show (box);

    entry = gtk_entry_new ();
    add_focus_monitor (editor, entry);
    add_entry_monitor (editor, entry);
    editor->priv->search_entry = entry;
    gtk_widget_show (entry);
    g_signal_connect (G_OBJECT (entry), "changed",
              G_CALLBACK (search_entry_changed_cb),
              editor);

    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
    str = g_strconcat ("<b>", _("_Search:"), "</b>", NULL);
    gtk_label_set_markup_with_mnemonic (GTK_LABEL (label), str);
    g_free (str);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), entry);
    gtk_widget_show (label);

    gtk_box_pack_start (GTK_BOX (box),
                label, FALSE, TRUE, 0);
    gtk_box_pack_start (GTK_BOX (box),
                entry, TRUE, TRUE, 0);

    return box;
}

static void
add_widget (EggMenuMerge *merge, GtkWidget *widget, EphyHistoryWindow *editor)
{
    gtk_box_pack_start (GTK_BOX (editor->priv->menu_dock),
                widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);
}

static gboolean
delete_event_cb (EphyHistoryWindow *editor)
{
    gtk_widget_hide (GTK_WIDGET (editor));

    return TRUE;
}

static void
provide_favicon (EphyNode *node, GValue *value, gpointer user_data)
{
    EphyFaviconCache *cache;
    const char *icon_location;
    GdkPixbuf *pixbuf = NULL;

    cache = ephy_embed_shell_get_favicon_cache (EPHY_EMBED_SHELL (ephy_shell));
    icon_location = ephy_node_get_property_string
        (node, EPHY_NODE_PAGE_PROP_ICON);

    LOG ("Get favicon for %s", icon_location ? icon_location : "None")

    if (icon_location)
    {
        pixbuf = ephy_favicon_cache_get (cache, icon_location);
    }

    g_value_init (value, GDK_TYPE_PIXBUF);
    g_value_set_object (value, pixbuf);
}

static void
view_selection_changed_cb (GtkWidget *view, EphyHistoryWindow *editor)
{
    ephy_history_window_update_menu (editor);
}

static void
ephy_history_window_construct (EphyHistoryWindow *editor)
{
    GtkTreeViewColumn *col;
    GtkTreeSelection *selection;
    GtkWidget *vbox, *hpaned;
    GtkWidget *pages_view, *sites_view;
    GtkWidget *scrolled_window;
    EphyNode *node;
    EggMenuMerge *ui_merge;
    EggActionGroup *action_group;
    EggAction *action;
    const char *icon_path;
    int i;

    gtk_window_set_title (GTK_WINDOW (editor), _("History"));

    icon_path = ephy_file ("epiphany-history.png");
    gtk_window_set_icon_from_file (GTK_WINDOW (editor), icon_path, NULL);

    g_signal_connect (editor, "delete_event",
              G_CALLBACK (delete_event_cb), NULL);

    for (i = 0; i < ephy_history_ui_n_entries; i++)
    {
        ephy_history_ui_entries[i].user_data = editor;
    }

    editor->priv->menu_dock = gtk_vbox_new (FALSE, 0);
    gtk_widget_show (editor->priv->menu_dock);
    gtk_container_add (GTK_CONTAINER (editor), editor->priv->menu_dock);

    ui_merge = egg_menu_merge_new ();
    g_signal_connect (ui_merge, "add_widget", G_CALLBACK (add_widget), editor);
    action_group = egg_action_group_new ("PopupActions");
    egg_action_group_add_actions (action_group, ephy_history_ui_entries,
                      ephy_history_ui_n_entries);
    egg_menu_merge_insert_action_group (ui_merge,
                        action_group, 0);
    egg_menu_merge_add_ui_from_file (ui_merge,
                         ephy_file ("epiphany-history-window-ui.xml"),
                         NULL);
    gtk_window_add_accel_group (GTK_WINDOW (editor), ui_merge->accel_group);
    egg_menu_merge_ensure_update (ui_merge);
    editor->priv->ui_merge = ui_merge;
    editor->priv->action_group = action_group;

    /* Fixme: We should implement gconf prefs for monitoring this setting */
    action = egg_action_group_get_action (action_group, "ViewTitle");
    egg_toggle_action_set_active (EGG_TOGGLE_ACTION (action), TRUE);

    hpaned = gtk_hpaned_new ();
    gtk_container_set_border_width (GTK_CONTAINER (hpaned), 0);
    gtk_container_add (GTK_CONTAINER (editor->priv->menu_dock), hpaned);
    gtk_widget_show (hpaned);

    g_assert (editor->priv->history);

    /* Sites View */
    node = ephy_history_get_hosts (editor->priv->history);
    scrolled_window = g_object_new (GTK_TYPE_SCROLLED_WINDOW,
                    "hadjustment", NULL,
                    "vadjustment", NULL,
                    "hscrollbar_policy", GTK_POLICY_AUTOMATIC,
                    "vscrollbar_policy", GTK_POLICY_AUTOMATIC,
                    "shadow_type", GTK_SHADOW_IN,
                    NULL);
    gtk_paned_add1 (GTK_PANED (hpaned), scrolled_window);
    gtk_widget_show (scrolled_window);
    sites_view = ephy_node_view_new (node, NULL);
    add_focus_monitor (editor, sites_view);
    ephy_node_view_select_node (EPHY_NODE_VIEW (sites_view),
                    ephy_history_get_pages (editor->priv->history));
    ephy_node_view_enable_drag_source (EPHY_NODE_VIEW (sites_view),
                       page_drag_types,
                           n_page_drag_types,
                       EPHY_NODE_PAGE_PROP_LOCATION);
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sites_view));
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
    ephy_node_view_add_column (EPHY_NODE_VIEW (sites_view), _("Sites"),
                   G_TYPE_STRING,
                   EPHY_NODE_PAGE_PROP_TITLE,
                   EPHY_NODE_PAGE_PROP_PRIORITY,
                   EPHY_NODE_VIEW_AUTO_SORT,
                   provide_favicon);
    gtk_container_add (GTK_CONTAINER (scrolled_window), sites_view);
    gtk_widget_show (sites_view);
    editor->priv->sites_view = sites_view;
    g_signal_connect (G_OBJECT (sites_view),
              "node_selected",
              G_CALLBACK (site_node_selected_cb),
              editor);
    g_signal_connect (G_OBJECT (selection),
              "changed",
              G_CALLBACK (view_selection_changed_cb),
              editor);

    vbox = gtk_vbox_new (FALSE, 0);
    gtk_paned_add2 (GTK_PANED (hpaned), vbox);
    gtk_widget_show (vbox);

    gtk_box_pack_start (GTK_BOX (vbox),
                build_search_box (editor),
                FALSE, FALSE, 0);

    /* Pages View */
    scrolled_window = g_object_new (GTK_TYPE_SCROLLED_WINDOW,
                    "hadjustment", NULL,
                    "vadjustment", NULL,
                    "hscrollbar_policy", GTK_POLICY_AUTOMATIC,
                    "vscrollbar_policy", GTK_POLICY_AUTOMATIC,
                    "shadow_type", GTK_SHADOW_IN,
                    NULL);
    gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
    gtk_widget_show (scrolled_window);
    node = ephy_history_get_pages (editor->priv->history);
    editor->priv->pages_filter = ephy_node_filter_new ();
    pages_view = ephy_node_view_new (node, editor->priv->pages_filter);
    add_focus_monitor (editor, pages_view);
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (pages_view));
    gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (pages_view), TRUE);
    ephy_node_view_enable_drag_source (EPHY_NODE_VIEW (pages_view),
                       page_drag_types,
                           n_page_drag_types,
                       EPHY_NODE_PAGE_PROP_LOCATION);
    col = ephy_node_view_add_column (EPHY_NODE_VIEW (pages_view), _("Title"),
                         G_TYPE_STRING, EPHY_NODE_PAGE_PROP_TITLE,
                         -1, EPHY_NODE_VIEW_USER_SORT, NULL);
    gtk_tree_view_column_set_max_width (col, 250);
    col = ephy_node_view_add_column (EPHY_NODE_VIEW (pages_view), _("Location"),
                         G_TYPE_STRING, EPHY_NODE_PAGE_PROP_LOCATION,
                         -1, EPHY_NODE_VIEW_USER_SORT, NULL);
    gtk_tree_view_column_set_max_width (col, 200);
    gtk_container_add (GTK_CONTAINER (scrolled_window), pages_view);
    gtk_widget_show (pages_view);
    editor->priv->pages_view = pages_view;
    g_signal_connect (G_OBJECT (pages_view),
              "node_activated",
              G_CALLBACK (ephy_history_window_node_activated_cb),
              editor);
    g_signal_connect (G_OBJECT (pages_view),
              "show_popup",
              G_CALLBACK (ephy_history_window_show_popup_cb),
              editor);
    g_signal_connect (G_OBJECT (pages_view),
              "key_press_event",
              G_CALLBACK (key_pressed_cb),
              editor);
    g_signal_connect (G_OBJECT (selection),
              "changed",
              G_CALLBACK (view_selection_changed_cb),
              editor);

    ephy_state_add_window (GTK_WIDGET (editor),
                   "history_window",
                       450, 400);
    ephy_state_add_paned  (GTK_WIDGET (hpaned),
                   "history_paned",
                       130);
}

void
ephy_history_window_set_parent (EphyHistoryWindow *ebe,
                GtkWidget *window)
{
    if (ebe->priv->window)
    {
        g_object_remove_weak_pointer
                        (G_OBJECT(ebe->priv->window),
                         (gpointer *)&ebe->priv->window);
    }

    ebe->priv->window = window;

    g_object_add_weak_pointer
                        (G_OBJECT(ebe->priv->window),
                         (gpointer *)&ebe->priv->window);

}

GtkWidget *
ephy_history_window_new (EphyHistory *history)
{
    EphyHistoryWindow *editor;

    g_assert (history != NULL);

    editor = EPHY_HISTORY_WINDOW (g_object_new
            (EPHY_TYPE_HISTORY_WINDOW,
             "history", history,
             NULL));

    ephy_history_window_construct (editor);

    return GTK_WIDGET (editor);
}

static void
ephy_history_window_set_property (GObject *object,
                          guint prop_id,
                          const GValue *value,
                          GParamSpec *pspec)
{
    EphyHistoryWindow *editor = EPHY_HISTORY_WINDOW (object);

    switch (prop_id)
    {
    case PROP_HISTORY:
        editor->priv->history = g_value_get_object (value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_history_window_get_property (GObject *object,
                          guint prop_id,
                          GValue *value,
                          GParamSpec *pspec)
{
    EphyHistoryWindow *editor = EPHY_HISTORY_WINDOW (object);

    switch (prop_id)
    {
    case PROP_HISTORY:
        g_value_set_object (value, editor->priv->history);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_history_window_init (EphyHistoryWindow *editor)
{
    editor->priv = g_new0 (EphyHistoryWindowPrivate, 1);
}

static void
ephy_history_window_dispose (GObject *object)
{
    EphyHistoryWindow *editor;

    g_return_if_fail (object != NULL);
    g_return_if_fail (EPHY_IS_HISTORY_WINDOW (object));

    editor = EPHY_HISTORY_WINDOW (object);

    if (editor->priv->sites_view != NULL)
    {
        remove_focus_monitor (editor, editor->priv->pages_view);
        remove_focus_monitor (editor, editor->priv->sites_view);
        remove_focus_monitor (editor, editor->priv->search_entry);

        editor->priv->sites_view = NULL;
    }

    G_OBJECT_CLASS (parent_class)->dispose (object);
}