DeforaOS/Browser
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bd1858ff8e
Browser/src/plugins/trash.c
Pierre Pronchery bd1858ff8e Code cleanup
2014-01-08 23:42:40 -06:00

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/* $Id$ */
/* Copyright (c) 2014 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <System.h>
#include <libintl.h>
#include "Browser.h"
#define _(string) gettext(string)
#define N_(string) (string)
#ifndef PLUGIN_NAME
# define PLUGIN_NAME "Trash"
#endif
#ifndef PLUGIN_ICON
# define PLUGIN_ICON "user-trash"
#endif
#ifndef PLUGIN_DESCRIPTION
# define PLUGIN_DESCRIPTION NULL
#endif
#ifndef DATA_DELETIONDATE
# define DATA_DELETIONDATE "DeletionDate"
#endif
#ifndef DATA_EXTENSION
# define DATA_EXTENSION ".trashinfo"
#endif
#ifndef DATA_PATH
# define DATA_PATH "Path"
#endif
#ifndef DATA_SECTION
# define DATA_SECTION "Trash Info"
#endif
#ifndef DATA_TRASHINFO
# define DATA_TRASHINFO "Trash/info"
#endif
#ifndef TEXT_DELETED
# define TEXT_DELETED "Deleted"
#endif
#ifndef TEXT_MOVETOTRASH
# define TEXT_MOVETOTRASH "Move to trash"
#endif
/* Trash */
/* private */
/* types */
typedef enum _TrashColumn
{
TC_PIXBUF = 0,
TC_PATH,
TC_PATH_ORIGINAL,
TC_DELETED,
TC_DELETED_DISPLAY
} TrashColumn;
#define TC_LAST TC_DELETED_DISPLAY
#define TC_COUNT (TC_LAST + 1)
typedef struct _BrowserPlugin
{
BrowserPluginHelper * helper;
guint source;
/* widgets */
GtkWidget * widget;
GtkWidget * view;
GtkListStore * store;
} Trash;
/* prototypes */
static Trash * _trash_init(BrowserPluginHelper * helper);
static void _trash_destroy(Trash * trash);
static GtkWidget * _trash_get_widget(Trash * trash);
static void _trash_refresh(Trash * trash, GList * selection);
static void _trash_list(Trash * trash);
/* callbacks */
static void _trash_on_select_all(gpointer data);
static gboolean _trash_on_timeout(gpointer data);
/* public */
/* variables */
BrowserPluginDefinition plugin =
{
PLUGIN_NAME,
PLUGIN_ICON,
PLUGIN_DESCRIPTION,
_trash_init,
_trash_destroy,
_trash_get_widget,
_trash_refresh
};
/* private */
/* functions */
/* trash_init */
static Trash * _trash_init(BrowserPluginHelper * helper)
{
Trash * trash;
GtkWidget * widget;
GtkToolItem * toolitem;
GtkTreeSelection * treesel;
GtkCellRenderer * renderer;
GtkTreeViewColumn * column;
if((trash = object_new(sizeof(*trash))) == NULL)
return NULL;
trash->helper = helper;
trash->source = 0;
#if GTK_CHECK_VERSION(3, 0, 0)
trash->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
trash->widget = gtk_vbox_new(FALSE, 0);
#endif
widget = gtk_toolbar_new();
/* FIXME handle sensitiveness of toolbar buttons */
/* move to trash */
toolitem = gtk_tool_button_new(NULL, _(TEXT_MOVETOTRASH));
#if GTK_CHECK_VERSION(2, 8, 0)
gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(toolitem), PLUGIN_ICON);
#else
/* FIXME implement */
#endif
/* FIXME handle the signal */
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
toolitem = gtk_separator_tool_item_new();
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_SELECT_ALL);
g_signal_connect_swapped(toolitem, "clicked", G_CALLBACK(
_trash_on_select_all), trash);
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
/* restore */
toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_UNDO);
/* FIXME handle the signal */
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
/* delete */
toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_DELETE);
/* FIXME handle the signal */
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
gtk_box_pack_start(GTK_BOX(trash->widget), widget, FALSE, TRUE, 0);
widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
trash->store = gtk_list_store_new(TC_COUNT, GDK_TYPE_PIXBUF,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT,
G_TYPE_STRING);
trash->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(
trash->store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(trash->view), TRUE);
treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(trash->view));
gtk_tree_selection_set_mode(treesel, GTK_SELECTION_MULTIPLE);
/* icon */
renderer = gtk_cell_renderer_pixbuf_new();
column = gtk_tree_view_column_new_with_attributes("", renderer,
"pixbuf", TC_PIXBUF, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(trash->view), column);
/* path to the original file */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes(_("Filename"),
renderer, "text", TC_PATH_ORIGINAL, NULL);
gtk_tree_view_column_set_resizable(column, TRUE);
gtk_tree_view_append_column(GTK_TREE_VIEW(trash->view), column);
/* timestamp */
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes(_(TEXT_DELETED),
renderer, "text", TC_DELETED_DISPLAY, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(trash->view), column);
gtk_container_add(GTK_CONTAINER(widget), trash->view);
gtk_box_pack_start(GTK_BOX(trash->widget), widget, TRUE, TRUE, 0);
gtk_widget_show_all(trash->widget);
trash->source = g_idle_add(_trash_on_timeout, trash);
return trash;
}
/* trash_destroy */
static void _trash_destroy(Trash * trash)
{
if(trash->source != 0)
g_source_remove(trash->source);
object_delete(trash);
}
/* trash_get_widget */
static GtkWidget * _trash_get_widget(Trash * trash)
{
return trash->widget;
}
/* trash_refresh */
static void _trash_refresh(Trash * trash, GList * selection)
{
if(selection == NULL)
{
/* there is no need to refresh anymore */
if(trash->source > 0)
g_source_remove(trash->source);
trash->source = 0;
return;
}
if(trash->source == 0)
/* keep refreshing the view */
trash->source = g_idle_add(_trash_on_timeout, trash);
/* FIXME complete the implementation (save a copy of the selection) */
}
/* trash_list */
static char * _list_path(void);
static void _trash_list(Trash * trash)
{
const char ext[] = DATA_EXTENSION;
const char section[] = DATA_SECTION;
BrowserPluginHelper * helper = trash->helper;
Config * config;
char * path;
DIR * dir;
struct dirent * de;
size_t len;
GtkTreeIter iter;
GdkPixbuf * pixbuf;
char * p;
char const * q;
struct tm tm;
time_t t;
char const * u;
time_t sixmonths;
char buf[16];
/* FIXME report errors */
if((path = _list_path()) == NULL)
return;
if((config = config_new()) == NULL)
{
free(path);
return;
}
/* FIXME should try to create the directory */
if((dir = opendir(path)) == NULL)
{
config_delete(config);
free(path);
return;
}
sixmonths = time(NULL) - 15552000;
gtk_list_store_clear(trash->store);
while((de = readdir(dir)) != NULL)
{
if((len = strlen(de->d_name)) <= sizeof(ext))
continue;
if(strncmp(&de->d_name[len - sizeof(ext) + 1], ext,
sizeof(ext)) != 0)
continue;
config_reset(config);
p = g_strdup_printf("%s/%s", path, de->d_name);
if(config_load(config, p) != 0
|| (q = config_get(config, section, DATA_PATH))
== NULL)
{
g_free(p);
continue;
}
pixbuf = helper->get_icon(helper->browser, q, NULL, NULL, NULL,
24);
t = -1;
if((u = config_get(config, section, DATA_DELETIONDATE)) != NULL
&& strptime(u, "%Y-%m-%dT%H:%M:%S", &tm)
!= NULL)
{
t = mktime(&tm);
len = strftime(buf, sizeof(buf), (t < sixmonths)
? "%b %e %H:%M" : "%b %e %Y", &tm);
buf[len] = '\0';
u = buf;
}
else
u = "";
gtk_list_store_append(trash->store, &iter);
gtk_list_store_set(trash->store, &iter, TC_PIXBUF, pixbuf,
TC_PATH, p, TC_PATH_ORIGINAL, q,
TC_DELETED, t, TC_DELETED_DISPLAY, u, -1);
g_free(p);
}
config_delete(config);
free(path);
}
static char * _list_path(void)
{
const char fallback[] = ".local/share";
const char trash[] = DATA_TRASHINFO;
char * ret;
char const * homedir;
size_t len;
/* FIXME check $XDG_DATA_HOME first */
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(fallback) + 1 + sizeof(trash);
if((ret = malloc(len)) == NULL)
return NULL;
snprintf(ret, len, "%s/%s/%s", homedir, fallback, trash);
return ret;
}
/* callbacks */
/* trash_on_select_all */
static void _trash_on_select_all(gpointer data)
{
Trash * trash = data;
GtkTreeSelection * treesel;
treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(trash->view));
gtk_tree_selection_select_all(treesel);
}
/* trash_on_timeout */
static gboolean _trash_on_timeout(gpointer data)
{
Trash * trash = data;
trash->source = 0;
_trash_list(trash);
/* FIXME refresh only if necessary */
trash->source = g_timeout_add(5000, _trash_on_timeout, trash);
return FALSE;
}
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