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

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Copyright © 2003, 2004 Marco Pesenti Gritti <mpeseng@tin.it>
 *  Copyright © 2003, 2004 Christian Persch
 *  Copyright © 2012 Igalia S.L
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "config.h"
#include "ephy-history-window.h"

#include "ephy-bookmarks-ui.h"
#include "ephy-debug.h"
#include "ephy-dnd.h"
#include "ephy-file-helpers.h"
#include "ephy-gui.h"
#include "ephy-hosts-store.h"
#include "ephy-hosts-view.h"
#include "ephy-prefs.h"
#include "ephy-session.h"
#include "ephy-settings.h"
#include "ephy-shell.h"
#include "ephy-initial-state.h"
#include "ephy-time-helpers.h"
#include "ephy-urls-store.h"
#include "ephy-urls-view.h"
#include "ephy-window.h"
#include "window-commands.h"

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <string.h>
#include <time.h>

static const GtkTargetEntry page_drag_types [] =
{
    { EPHY_DND_URL_TYPE,        0, 0 },
    { EPHY_DND_URI_LIST_TYPE,   0, 1 },
    { EPHY_DND_TEXT_TYPE,       0, 2 }
};

static void ephy_history_window_constructed (GObject *object);
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 cmd_open_bookmarks_in_tabs    (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_open_bookmarks_in_browser (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_delete            (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_bookmark_link         (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_clear             (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_close             (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_cut           (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_copy              (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_paste             (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_select_all        (GtkAction *action,
                       EphyHistoryWindow *editor);
static void cmd_help_contents         (GtkAction *action,
                       EphyHistoryWindow *editor);
static void search_entry_changed_cb   (GtkWidget *entry,
                       EphyHistoryWindow *editor);
static void
filter_now (EphyHistoryWindow *editor, gboolean hosts, gboolean pages);

#define EPHY_HISTORY_WINDOW_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_HISTORY_WINDOW, EphyHistoryWindowPrivate))

struct _EphyHistoryWindowPrivate
{
    EphyHistoryService *history_service;
    GCancellable *cancellable;
    GtkWidget *hosts_view;
    GtkWidget *pages_view;
    EphyURLsStore *urls_store;
    EphyHostsStore *hosts_store;
    GtkWidget *time_combo;
    GtkWidget *search_entry;
    GtkWidget *main_vbox;
    GtkWidget *window;
    GtkUIManager *ui_merge;
    GtkActionGroup *action_group;
    GtkWidget *confirmation_dialog;
    GtkTreeViewColumn *title_col;
    GtkTreeViewColumn *address_col;
    GtkTreeViewColumn *datetime_col;
};

enum
{
    PROP_0,
    PROP_HISTORY_SERVICE,
};

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

    /* File Menu */
    { "OpenInWindow", NULL, N_("Open in New _Window"), "<control>O",
      N_("Open the selected history link in a new window"),
      G_CALLBACK (cmd_open_bookmarks_in_browser) },
    { "OpenInTab", NULL, N_("Open in New _Tab"), "<shift><control>O",
      N_("Open the selected history link in a new tab"),
      G_CALLBACK (cmd_open_bookmarks_in_tabs) },
    { "BookmarkLink", NULL, N_("Add _Bookmark…"), "<control>D",
      N_("Bookmark the selected history link"),
      G_CALLBACK (cmd_bookmark_link) },
    { "Close", NULL, N_("_Close"), "<control>W",
      N_("Close the history window"),
      G_CALLBACK (cmd_close) },

    /* Edit Menu */
    { "Cut", NULL, N_("Cu_t"), "<control>X",
      N_("Cut the selection"),
      G_CALLBACK (cmd_cut) },
    { "Copy", NULL, N_("_Copy"), "<control>C",
      N_("Copy the selection"),
      G_CALLBACK (cmd_copy) },
    { "Paste", NULL, N_("_Paste"), "<control>V",
      N_("Paste the clipboard"),
      G_CALLBACK (cmd_paste) },
    { "Delete", NULL, N_("_Delete"), "<control>T",
      N_("Delete the selected history link"),
      G_CALLBACK (cmd_delete) },
    { "SelectAll", NULL, N_("Select _All"), "<control>A",
      N_("Select all history links or text"),
      G_CALLBACK (cmd_select_all) },
    { "Clear", NULL, N_("Clear _History"), NULL,
      N_("Clear your browsing history"),
      G_CALLBACK (cmd_clear) },

    /* Help Menu */
    { "HelpContents", NULL, N_("_Contents"), "F1",
      N_("Display history help"),
      G_CALLBACK (cmd_help_contents) },
    { "HelpAbout", NULL, N_("_About"), NULL,
      N_("Display credits for the web browser creators"),
      G_CALLBACK (window_cmd_help_about) },
};

typedef enum
{
    VIEW_TITLE = 1 << 0,
    VIEW_ADDRESS = 1 << 1,
    VIEW_DATETIME = 1 << 2
} EphyHistoryWindowColumns;

static const GtkToggleActionEntry ephy_history_toggle_entries [] =
{
    /* View Menu */
    { "ViewTitle", NULL, N_("_Title"), NULL,
      N_("Show the title column"), NULL, TRUE },
    { "ViewAddress", NULL, N_("_Address"), NULL,
      N_("Show the address column"), NULL, TRUE },
    { "ViewDateTime", NULL, N_("_Date and Time"), NULL,
      N_("Show the date and time column"), NULL, TRUE }
};

static void
confirmation_dialog_response_cb (GtkWidget *dialog,
                 int response,
                 EphyHistoryWindow *editor)
{
    gtk_widget_destroy (dialog);

    if (response == GTK_RESPONSE_ACCEPT)
    {
        ephy_history_service_clear (editor->priv->history_service,
                        NULL, NULL, NULL);
        filter_now (editor, TRUE, TRUE);
    }
}

static GtkWidget *
confirmation_dialog_construct (EphyHistoryWindow *editor)
{
    GtkWidget *dialog, *button, *image;

    dialog = gtk_message_dialog_new
        (GTK_WINDOW (editor),
         GTK_DIALOG_DESTROY_WITH_PARENT,
         GTK_MESSAGE_WARNING,
         GTK_BUTTONS_CANCEL,
         _("Clear browsing history?"));

    gtk_message_dialog_format_secondary_text
        (GTK_MESSAGE_DIALOG (dialog),
         _("Clearing the browsing history will cause all"
           " history links to be permanently deleted."));

    gtk_window_group_add_window (ephy_gui_ensure_window_group (GTK_WINDOW (editor)),
                     GTK_WINDOW (dialog));
    
    button = gtk_button_new_with_mnemonic (_("Cl_ear"));
    image = gtk_image_new_from_stock (GTK_STOCK_CLEAR, GTK_ICON_SIZE_BUTTON);
    gtk_button_set_image (GTK_BUTTON (button), image);
    /* don't show the image! see bug #307818 */
    gtk_widget_show (button);
    gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button, GTK_RESPONSE_ACCEPT);
    
    gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CANCEL);

    gtk_window_set_title (GTK_WINDOW (dialog), _("Clear History"));

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

    return dialog;
}

static EphyHistoryHost *
get_selected_host (EphyHistoryWindow *editor)
{
    GtkTreeSelection *selection;
    GtkTreeIter iter;
    GtkTreePath *path;
    GtkTreeModel *model;
    EphyHistoryHost *host = NULL;

    EphyHistoryWindowPrivate *priv = editor->priv;

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->hosts_view));
    if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
        path = gtk_tree_model_get_path (model, &iter);
        host = ephy_hosts_store_get_host_from_path (priv->hosts_store,
                                path);
        gtk_tree_path_free (path);
    }
    return host;
}

static void
cmd_clear (GtkAction *action,
       EphyHistoryWindow *editor)
{
    if (editor->priv->confirmation_dialog == NULL)
    {
        GtkWidget **confirmation_dialog;

        editor->priv->confirmation_dialog = confirmation_dialog_construct (editor);
        confirmation_dialog = &editor->priv->confirmation_dialog;
        g_object_add_weak_pointer (G_OBJECT (editor->priv->confirmation_dialog),
                       (gpointer *) confirmation_dialog);
    }

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

static void
cmd_close (GtkAction *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 (gtk_application_get_active_window (GTK_APPLICATION (ephy_shell_get_default ())));
    }
}

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

    window = EPHY_WINDOW (get_target_window (editor));
    selection = ephy_urls_view_get_selection (EPHY_URLS_VIEW (editor->priv->pages_view));

    for (l = selection; l; l = l->next)
    {
        EphyHistoryURL *url = l->data;
        ephy_shell_new_tab (ephy_shell_get_default (),
                    window, NULL, url->url,
                    EPHY_NEW_TAB_OPEN_PAGE |
                    EPHY_NEW_TAB_IN_EXISTING_WINDOW);
    }

    g_list_free_full (selection, (GDestroyNotify) ephy_history_url_free);
}

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

    window = EPHY_WINDOW (get_target_window (editor));
    selection = ephy_urls_view_get_selection (EPHY_URLS_VIEW (editor->priv->pages_view));

    for (l = selection; l; l = l->next)
    {
        EphyHistoryURL *url = l->data;
        ephy_shell_new_tab (ephy_shell_get_default (),
                    window, NULL, url->url,
                    EPHY_NEW_TAB_OPEN_PAGE |
                    EPHY_NEW_TAB_IN_NEW_WINDOW);
    }

    g_list_free_full (selection, (GDestroyNotify) ephy_history_url_free);
}

static void
cmd_cut (GtkAction *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 (GtkAction *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 (gtk_widget_is_focus (editor->priv->pages_view))
    {
        GList *selection;

        selection = ephy_urls_view_get_selection (EPHY_URLS_VIEW (editor->priv->pages_view));

        if (g_list_length (selection) == 1)
        {
            EphyHistoryURL *url = selection->data;
            gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), url->url, -1);
        }

        g_list_free_full (selection, (GDestroyNotify) ephy_history_url_free);
    }
}

static void
cmd_paste (GtkAction *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 (GtkAction *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 (gtk_widget_is_focus (pages_view))
    {
        GtkTreeSelection *sel;

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

static void
on_browse_history_deleted_cb (gpointer service,
                  gboolean success,
                  gpointer result_data,
                  gpointer user_data)
{
    EphyHistoryWindow *editor = EPHY_HISTORY_WINDOW (user_data);

    if (success != TRUE)
        return;

    filter_now (editor, TRUE, TRUE);
}

static void
on_host_deleted_cb (gpointer service,
            gboolean success,
            gpointer result_data,
            gpointer user_data)
{
    EphyHistoryWindow *editor = EPHY_HISTORY_WINDOW (user_data);

    if (success != TRUE)
        return;

    filter_now (editor, TRUE, TRUE);
}

static void
cmd_delete (GtkAction *action,
        EphyHistoryWindow *editor)
{
    if (gtk_widget_is_focus (editor->priv->pages_view))
    {
        GList *selected;
        selected = ephy_urls_view_get_selection (EPHY_URLS_VIEW (editor->priv->pages_view));
        ephy_history_service_delete_urls (editor->priv->history_service, selected, editor->priv->cancellable,
                          (EphyHistoryJobCallback)on_browse_history_deleted_cb, editor);
    } else if (gtk_widget_is_focus (editor->priv->hosts_view)) {
        EphyHistoryHost *host = get_selected_host (editor);
        if (host) {
            ephy_history_service_delete_host (editor->priv->history_service,
                              host, editor->priv->cancellable,
                              (EphyHistoryJobCallback)on_host_deleted_cb,
                              editor);
            ephy_history_host_free (host);
        }
    }
}

static void
cmd_bookmark_link (GtkAction *action,
           EphyHistoryWindow *editor)
{
    GList *selection;

    selection = ephy_urls_view_get_selection (EPHY_URLS_VIEW (editor->priv->pages_view));

    if (g_list_length (selection) == 1)
    {
        EphyHistoryURL *url;

        url = selection->data;

        ephy_bookmarks_ui_add_bookmark (GTK_WINDOW (editor), url->url, url->title);
    }

    g_list_free_full (selection, (GDestroyNotify) ephy_history_url_free);
}

static void
cmd_help_contents (GtkAction *action,
           EphyHistoryWindow *editor)
{
    ephy_gui_help (GTK_WIDGET (editor), "ephy-managing-history");
}

G_DEFINE_TYPE (EphyHistoryWindow, ephy_history_window, GTK_TYPE_WINDOW)

static void
ephy_history_window_show (GtkWidget *widget)
{
    EphyHistoryWindow *window = EPHY_HISTORY_WINDOW (widget);

    gtk_widget_grab_focus (window->priv->search_entry);

    GTK_WIDGET_CLASS (ephy_history_window_parent_class)->show (widget);
}

static void
ephy_history_window_class_init (EphyHistoryWindowClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (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;
    object_class->constructed = ephy_history_window_constructed;

    widget_class->show = ephy_history_window_show;

    g_object_class_install_property (object_class,
                     PROP_HISTORY_SERVICE,
                     g_param_spec_object ("history-service",
                                  "History service",
                                  "History Service",
                                  EPHY_TYPE_HISTORY_SERVICE,
                                  G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_CONSTRUCT_ONLY));

    g_type_class_add_private (object_class, sizeof(EphyHistoryWindowPrivate));
}

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

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

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

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

static void
ephy_history_window_row_activated_cb (GtkTreeView *view,
                      GtkTreePath *path,
                      GtkTreeViewColumn *col,
                      EphyHistoryWindow *editor)
{
    EphyHistoryURL *url;

    url = ephy_urls_store_get_url_from_path (EPHY_URLS_STORE (gtk_tree_view_get_model (view)),
                         path);
    g_return_if_fail (url != NULL);

    ephy_shell_new_tab (ephy_shell_get_default (),
                NULL, NULL, url->url,
                EPHY_NEW_TAB_OPEN_PAGE);
    ephy_history_url_free (url);
}

static void
ephy_history_window_row_middle_clicked_cb (EphyHistoryView *view,
                       GtkTreePath *path,
                       EphyHistoryWindow *editor)
{
    EphyWindow *window;
    EphyHistoryURL *url;

    window = EPHY_WINDOW (get_target_window (editor));
    url = ephy_urls_store_get_url_from_path (editor->priv->urls_store, path);
    g_return_if_fail (url != NULL);

    ephy_shell_new_tab (ephy_shell_get_default (),
                window, NULL, url->url,
                EPHY_NEW_TAB_OPEN_PAGE |
                EPHY_NEW_TAB_IN_EXISTING_WINDOW);
    ephy_history_url_free (url);
}

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, single_page_selected;
    gboolean delete, bookmark_page;
    gboolean bookmarks_locked;
    int num_pages_selected;
    GtkActionGroup *action_group;
    GtkAction *action;
    char *open_in_window_label, *open_in_tab_label, *copy_label;
    GtkWidget *focus_widget;

    pages_focus = gtk_widget_is_focus (editor->priv->pages_view);
    num_pages_selected = gtk_tree_selection_count_selected_rows
         (gtk_tree_view_get_selection (GTK_TREE_VIEW (editor->priv->pages_view)));
    pages_selection = num_pages_selected > 0;
    single_page_selected = num_pages_selected == 1;

    focus_widget = gtk_window_get_focus (GTK_WINDOW (editor));

    if (GTK_IS_EDITABLE (focus_widget))
    {
        gboolean has_selection;

        has_selection = gtk_editable_get_selection_bounds
            (GTK_EDITABLE (focus_widget), NULL, NULL);

        cut = has_selection;
        copy = has_selection;
        paste = TRUE;
        select_all = TRUE;
    }
    else
    {
        cut = FALSE;
        copy = (pages_focus && single_page_selected);
        paste = FALSE;
        select_all = pages_focus;
    }

    open_in_window_label = ngettext ("Open in New _Window",
                     "Open in New _Windows",
                     num_pages_selected);
    open_in_tab_label = ngettext ("Open in New _Tab",
                      "Open in New _Tabs",
                      num_pages_selected);

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

    open_in_window = (pages_focus && pages_selection);
    open_in_tab = (pages_focus && pages_selection);
    delete = (pages_focus && pages_selection);
    bookmarks_locked = g_settings_get_boolean
                (EPHY_SETTINGS_LOCKDOWN,
                 EPHY_PREFS_LOCKDOWN_BOOKMARK_EDITING);
    bookmark_page = (pages_focus && single_page_selected) && !bookmarks_locked;

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

}

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

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

    widget = gtk_ui_manager_get_widget (editor->priv->ui_merge,
                        "/EphyHistoryWindowPopup");
    ephy_history_view_popup (EPHY_HISTORY_VIEW (view), widget);

    return TRUE;
}

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

    default:
        break;
    }

    return FALSE;
}

static void
search_entry_changed_cb (GtkWidget *entry, EphyHistoryWindow *editor)
{
    filter_now (editor, FALSE, TRUE);
}

static void
time_combo_changed_cb (GtkWidget *combo, EphyHistoryWindow *editor)
{
    filter_now (editor, TRUE, TRUE);
}

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

    box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
    gtk_container_set_border_width (GTK_CONTAINER (box), 6);
    gtk_widget_show (box);

    entry = gtk_search_entry_new ();
    add_focus_monitor (editor, entry);
    add_entry_monitor (editor, entry);
    editor->priv->search_entry = entry;
    
    gtk_widget_show_all (entry);

    combo = gtk_combo_box_text_new ();
    gtk_widget_show (combo);

    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), _("Last 30 minutes"));
    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), _("Today"));

    str = g_strdup_printf (ngettext ("Last %d day", "Last %d days", 2), 2);
    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), str);
    g_free (str);

    str = g_strdup_printf (ngettext ("Last %d day", "Last %d days", 3), 3);
    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), str);
    g_free (str);

    /* keep this in sync with embed/ephy-history.c's
     * HISTORY_PAGE_OBSOLETE_DAYS */
    str = g_strdup_printf (ngettext ("Last %d day", "Last %d days", 10), 10);
    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), str);
    g_free (str);

    gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), _("All history"));

    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_DATE_FILTER,
             combo, "active",
             G_SETTINGS_BIND_DEFAULT);

    editor->priv->time_combo = combo;

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

    g_signal_connect (combo, "changed",
              G_CALLBACK (time_combo_changed_cb),
              editor);
    g_signal_connect (G_OBJECT (entry), "changed",
              G_CALLBACK (search_entry_changed_cb),
              editor);

    return box;
}

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

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

    return TRUE;
}

#if 0
static void
provide_favicon (EphyNode *node, GValue *value, gpointer user_data)
{
    const char *page_location;
    GdkPixbuf *pixbuf = NULL;

    page_location = ephy_node_get_property_string
        (node, EPHY_NODE_PAGE_PROP_LOCATION);

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

    if (page_location)
        {
        /* No need to use the async version as this function will be
        called many times by the treeview. */
#ifdef HAVE_WEBKIT2
        /* TODO: Favicons */
#else
        WebKitFaviconDatabase *database = webkit_get_favicon_database ();
        pixbuf = webkit_favicon_database_get_favicon_pixbuf (database, page_location,
                                     FAVICON_SIZE, FAVICON_SIZE);
#endif
        }

    g_value_init (value, GDK_TYPE_PIXBUF);
    g_value_take_object (value, pixbuf);
}
#endif

static void
convert_cell_data_func (GtkTreeViewColumn *column,
            GtkCellRenderer *renderer,
            GtkTreeModel *model,
            GtkTreeIter *iter,
            gpointer user_data)
{
    int col_id = GPOINTER_TO_INT (user_data);
    int value;
    time_t time;
    char *friendly;
    
    gtk_tree_model_get (model, iter,
                col_id, 
                &value,
                -1);
    time = (time_t) value;
    
    friendly = ephy_time_helpers_utf_friendly_time (time);
    g_object_set (renderer, "text", friendly, NULL);
    g_free (friendly);
}

static void
parse_time_into_date (GtkTreeViewColumn *column,
              int column_id)
{
    GList *renderers_list;
    GtkCellRenderer *renderer;
    
    renderers_list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
    renderer = GTK_CELL_RENDERER (renderers_list->data);
    gtk_tree_view_column_set_cell_data_func (column, renderer,
                         (GtkTreeCellDataFunc) convert_cell_data_func,
                         GINT_TO_POINTER (column_id),
                         NULL);
    g_list_free (renderers_list);
}
static void
view_selection_changed_cb (GtkWidget *view, EphyHistoryWindow *editor)
{
    ephy_history_window_update_menu (editor);
    filter_now (editor, FALSE, TRUE);
}

static void
setup_time_filters (EphyHistoryWindow *editor,
            gint64 *from, gint64 *to)
{
    time_t now, midnight, cmp_time = 0;
    struct tm btime;
    int time_range, days = 0;

    time_range = gtk_combo_box_get_active
        (GTK_COMBO_BOX (editor->priv->time_combo));

    *from = *to = -1;

    /* no need to setup a new filter */
    if (time_range == EPHY_PREFS_STATE_HISTORY_DATE_FILTER_EVER) return;

    now = time (NULL);
    if (localtime_r (&now, &btime) == NULL) return;

    /* get start of day */
    btime.tm_sec = 0;
    btime.tm_min = 0;
    btime.tm_hour = 0;
    midnight = mktime (&btime);

    switch (time_range)
    {
        case EPHY_PREFS_STATE_HISTORY_DATE_FILTER_LAST_HALF_HOUR:
            cmp_time = now - 30 * 60;
            break;
        case EPHY_PREFS_STATE_HISTORY_DATE_FILTER_TODAY:
            cmp_time = midnight;
            break;
        case EPHY_PREFS_STATE_HISTORY_DATE_FILTER_LAST_TWO_DAYS:
            days = 1;
            cmp_time = midnight;
            break;
        case EPHY_PREFS_STATE_HISTORY_DATE_FILTER_LAST_THREE_DAYS:
            days = 2;
            cmp_time = midnight;
            break;
        case EPHY_PREFS_STATE_HISTORY_DATE_FILTER_LAST_TEN_DAYS:
            days = 9;
            cmp_time = midnight;
            break;
        default:
            g_return_if_reached ();
            break;
    }

    while (--days >= 0)
    {
        /* subtract 1 day */
        cmp_time -= 43200;
        localtime_r (&cmp_time, &btime);
        btime.tm_sec = 0;
        btime.tm_min = 0;
        btime.tm_hour = 0;
        cmp_time = mktime (&btime);
    }

    *from = cmp_time;
}

static GList *
substrings_filter (EphyHistoryWindow *editor)
{
    const char *search_text;
    char **tokens, **p;
    GList *substrings = NULL;

    search_text = gtk_entry_get_text (GTK_ENTRY (editor->priv->search_entry));
    tokens = p = g_strsplit (search_text, " ", -1);

    while (*p) {
        substrings = g_list_prepend (substrings, *p++);
    };
    substrings = g_list_reverse (substrings);
    g_free (tokens);

    return substrings;
}

static void
on_get_hosts_cb (gpointer service,
         gboolean success,
         gpointer result_data,
         gpointer user_data)
{
    EphyHistoryWindow *window = EPHY_HISTORY_WINDOW (user_data);
    EphyHistoryHost *selected_host;
    GList *hosts = NULL;

    if (success != TRUE)
        goto out;

    hosts = (GList *) result_data;
    selected_host = get_selected_host (window);
    ephy_hosts_store_clear (EPHY_HOSTS_STORE (window->priv->hosts_store));
    ephy_hosts_store_add_hosts (window->priv->hosts_store, hosts);
    ephy_hosts_view_select_host (EPHY_HOSTS_VIEW (window->priv->hosts_view),
                     selected_host);
    ephy_history_host_free (selected_host);
out:
    g_list_free_full (hosts, (GDestroyNotify)ephy_history_host_free);
}

static void
on_find_urls_cb (gpointer service,
         gboolean success,
         gpointer result_data,
         gpointer user_data)
{
    EphyHistoryWindow *window = EPHY_HISTORY_WINDOW (user_data);
    GList *urls;
    
    if (success != TRUE)
        return;

    urls = (GList *)result_data;
    gtk_list_store_clear (GTK_LIST_STORE (window->priv->urls_store));
    ephy_urls_store_add_urls (window->priv->urls_store, urls);
    g_list_free_full (urls, (GDestroyNotify)ephy_history_url_free);
}

static void
filter_now (EphyHistoryWindow *editor,
        gboolean hosts,
        gboolean pages)
{
    gint64 from, to;
    EphyHistoryHost *host;
    GList *substrings;

    setup_time_filters (editor, &from, &to);
    substrings = substrings_filter (editor);

    if (hosts)
    {
        ephy_history_service_find_hosts (editor->priv->history_service,
                         from, to, editor->priv->cancellable,
                        (EphyHistoryJobCallback) on_get_hosts_cb, editor);
    }

    if (pages)
    {
        host = get_selected_host (editor);
        ephy_history_service_find_urls (editor->priv->history_service,
                        from, to,
                        0, host ? host->id : 0,
                        substrings, editor->priv->cancellable,
                        (EphyHistoryJobCallback)on_find_urls_cb, editor);
        ephy_history_host_free (host);
    }
}

static gboolean
on_urls_visited_cb (EphyHistoryService *service,
            EphyHistoryWindow *editor)
{
    filter_now (editor, TRUE, TRUE);

    return FALSE;
}

static void
ephy_history_window_constructed (GObject *object)
{
    GtkTreeViewColumn *col;
    GtkTreeSelection *selection;
    GtkWidget *vbox, *hpaned;
    GtkWidget *pages_view, *hosts_view;
    GtkWidget *scrolled_window;
    EphyURLsStore *urls_store;
    EphyHostsStore *hosts_store;
    GtkUIManager *ui_merge;
    GtkActionGroup *action_group;
    GtkAction *action;
    EphyHistoryWindow *editor = EPHY_HISTORY_WINDOW (object);

    ephy_gui_ensure_window_group (GTK_WINDOW (editor));

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

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

    editor->priv->main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
    gtk_widget_show (editor->priv->main_vbox);
    gtk_container_add (GTK_CONTAINER (editor), editor->priv->main_vbox);

    ui_merge = gtk_ui_manager_new ();
    g_signal_connect (ui_merge, "add_widget", G_CALLBACK (add_widget), editor);
    gtk_window_add_accel_group (GTK_WINDOW (editor),
                    gtk_ui_manager_get_accel_group (ui_merge));
    action_group = gtk_action_group_new ("PopupActions");
    gtk_action_group_set_translation_domain (action_group, NULL);
    gtk_action_group_add_actions (action_group, ephy_history_ui_entries,
                      G_N_ELEMENTS (ephy_history_ui_entries), editor);

    gtk_action_group_add_toggle_actions (action_group,
                         ephy_history_toggle_entries,
                         G_N_ELEMENTS (ephy_history_toggle_entries),
                         editor);

    gtk_ui_manager_insert_action_group (ui_merge,
                        action_group, 0);
    gtk_ui_manager_add_ui_from_resource (ui_merge,
                         "/org/gnome/epiphany/epiphany-history-window-ui.xml",
                         NULL);
    gtk_ui_manager_ensure_update (ui_merge);
    editor->priv->ui_merge = ui_merge;
    editor->priv->action_group = action_group;

    hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
    gtk_container_set_border_width (GTK_CONTAINER (hpaned), 0);
    gtk_box_pack_end (GTK_BOX (editor->priv->main_vbox), hpaned,
              TRUE, TRUE, 0);
    gtk_widget_show (hpaned);

    /* Sites 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_paned_pack1 (GTK_PANED (hpaned), scrolled_window, TRUE, FALSE);
    gtk_widget_show (scrolled_window);
    hosts_store = ephy_hosts_store_new ();
    hosts_view = ephy_hosts_view_new ();
    gtk_tree_view_set_model (GTK_TREE_VIEW (hosts_view),
                 GTK_TREE_MODEL (hosts_store));
    add_focus_monitor (editor, hosts_view);
    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (hosts_view));
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
    gtk_container_add (GTK_CONTAINER (scrolled_window), hosts_view);
    gtk_widget_show (hosts_view);
    editor->priv->hosts_view = hosts_view;
    g_signal_connect (G_OBJECT (hosts_view),
              "key_press_event",
              G_CALLBACK (key_pressed_cb),
              editor);
    g_signal_connect (G_OBJECT (selection),
              "changed",
              G_CALLBACK (view_selection_changed_cb),
              editor);

    vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
    gtk_paned_pack2 (GTK_PANED (hpaned), vbox, TRUE, FALSE);
    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);
    editor->priv->pages_view = pages_view = ephy_urls_view_new ();
    urls_store = ephy_urls_store_new ();
    gtk_tree_view_set_model (GTK_TREE_VIEW (pages_view), GTK_TREE_MODEL (urls_store));
    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);

    /* These three blocks should most likely go into
       EphyHistoryView. */
    col = gtk_tree_view_get_column (GTK_TREE_VIEW (pages_view), 0);
    gtk_tree_view_column_set_min_width (col, 300);
    gtk_tree_view_column_set_resizable (col, TRUE);
    editor->priv->title_col = col;

    col = gtk_tree_view_get_column (GTK_TREE_VIEW (pages_view), 1);
    gtk_tree_view_column_set_min_width (col, 300);
    gtk_tree_view_column_set_resizable (col, TRUE);
    editor->priv->address_col = col;

    col = gtk_tree_view_get_column (GTK_TREE_VIEW (pages_view), 2);
    editor->priv->datetime_col = col;
    parse_time_into_date (editor->priv->datetime_col, 2);

    gtk_container_add (GTK_CONTAINER (scrolled_window), pages_view);
    gtk_widget_show (pages_view);
    editor->priv->pages_view = pages_view;
    editor->priv->urls_store = urls_store;
    editor->priv->hosts_store = hosts_store;

    action = gtk_action_group_get_action (action_group, "ViewTitle");
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_TITLE,
             action, "active",
             G_SETTINGS_BIND_DEFAULT);
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_TITLE,
             editor->priv->title_col, "visible",
             G_SETTINGS_BIND_DEFAULT);

    action = gtk_action_group_get_action (action_group, "ViewAddress");
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_ADDRESS,
             action, "active",
             G_SETTINGS_BIND_DEFAULT);
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_ADDRESS,
             editor->priv->address_col, "visible",
             G_SETTINGS_BIND_DEFAULT);

    action = gtk_action_group_get_action (action_group, "ViewDateTime");
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_DATE,
             action, "active",
             G_SETTINGS_BIND_DEFAULT);
    g_settings_bind (EPHY_SETTINGS_STATE,
             EPHY_PREFS_STATE_HISTORY_VIEW_DATE,
             editor->priv->datetime_col, "visible",
             G_SETTINGS_BIND_DEFAULT);

    g_signal_connect (G_OBJECT (pages_view),
              "row-activated",
              G_CALLBACK (ephy_history_window_row_activated_cb),
              editor);
    g_signal_connect (pages_view, "row-middle-clicked",
              G_CALLBACK (ephy_history_window_row_middle_clicked_cb),
              editor);
    g_signal_connect (G_OBJECT (pages_view),
              "popup_menu",
              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);

    ephy_initial_state_add_window (GTK_WIDGET (editor),
                       "history_window",
                       450, 400, FALSE,
                       EPHY_INITIAL_STATE_WINDOW_SAVE_SIZE | EPHY_INITIAL_STATE_WINDOW_SAVE_POSITION);
    ephy_initial_state_add_paned  (GTK_WIDGET (hpaned),
                       "history_paned",
                       130);

    editor->priv->cancellable = g_cancellable_new ();
    filter_now (editor, TRUE, TRUE);

    g_signal_connect_after (editor->priv->history_service,
                "urls-visited", G_CALLBACK (on_urls_visited_cb),
                editor);

    if (G_OBJECT_CLASS (ephy_history_window_parent_class)->constructed)
        G_OBJECT_CLASS (ephy_history_window_parent_class)->constructed (object);
}

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

    ebe->priv->window = window;
    widget = &ebe->priv->window;

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

}

GtkWidget *
ephy_history_window_new (EphyHistoryService *history_service)
{
    EphyHistoryWindow *editor;

    g_return_val_if_fail (history_service != NULL, NULL);

    editor = g_object_new (EPHY_TYPE_HISTORY_WINDOW,
                   "history-service", history_service,
                   NULL);

    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_SERVICE:
        editor->priv->history_service = 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_SERVICE:
        g_value_set_object (value, editor->priv->history_service);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
ephy_history_window_init (EphyHistoryWindow *editor)
{
    editor->priv = EPHY_HISTORY_WINDOW_GET_PRIVATE (editor);
}

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

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

        editor->priv->hosts_view = NULL;
    }

    if (editor->priv->cancellable)
    {
        g_cancellable_cancel (editor->priv->cancellable);
        g_clear_object (&editor->priv->cancellable);
    }

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