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|
/*
This file is part of GNUnet.
Copyright (C) 2010-2013 GNUnet e.V.
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file src/fs/gnunet-fs-gtk_event-handler.c
* @brief Main event handler for file-sharing
* @author Christian Grothoff
*/
#include "gnunet-fs-gtk.h"
#include "gnunet-fs-gtk_common.h"
#include "gnunet-fs-gtk_download-save-as.h"
#include "gnunet-fs-gtk_event-handler.h"
#include "gnunet-fs-gtk_unindex.h"
#include "gnunet-fs-gtk_open-uri.h"
/**
* Columns in the file sharing result model.
*/
enum SEARCH_TAB_ModelColumns
{
/**
* A gpointer.
*/
SEARCH_TAB_MC_METADATA = 0,
/**
* A gpointer.
*/
SEARCH_TAB_MC_URI = 1,
/**
* A guint64.
*/
SEARCH_TAB_MC_FILESIZE = 2,
/**
* A GdkPixbuf.
*/
SEARCH_TAB_MC_PREVIEW = 3,
/**
* A guint.
*/
SEARCH_TAB_MC_PERCENT_PROGRESS = 4,
/**
* A guint.
*/
SEARCH_TAB_MC_PERCENT_AVAILABILITY = 5,
/**
* A gchararray.
*/
SEARCH_TAB_MC_FILENAME = 6,
/**
* A gchararray.
*/
SEARCH_TAB_MC_URI_AS_STRING = 7,
/**
* A gchararray.
*/
SEARCH_TAB_MC_STATUS_COLOUR = 8,
/**
* A gpointer.
*/
SEARCH_TAB_MC_SEARCH_RESULT = 9,
/**
* A gchararray.
*/
SEARCH_TAB_MC_MIMETYPE = 10,
/**
* A guint.
*/
SEARCH_TAB_MC_APPLICABILITY_RANK = 11,
/**
* A guint.
*/
SEARCH_TAB_MC_AVAILABILITY_CERTAINTY = 12,
/**
* A gint.
*/
SEARCH_TAB_MC_AVAILABILITY_RANK = 13,
/**
* A guint64.
*/
SEARCH_TAB_MC_COMPLETED = 14,
/**
* A gchararray.
*/
SEARCH_TAB_MC_DOWNLOADED_FILENAME = 15,
/**
* A gint.
*/
SEARCH_TAB_MC_DOWNLOADED_ANONYMITY = 16,
/**
* A GdkPixbuf.
*/
SEARCH_TAB_MC_STATUS_ICON = 17,
/**
* A guint.
*/
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY = 18,
/**
* A gboolean.
*/
SEARCH_TAB_MC_SHOW_NS_ASSOCIATION = 19
};
/**
* Columns in the publish frame model.
*/
enum PUBLISH_TAB_ModelColumns
{
/**
* A gchararray.
*/
PUBLISH_TAB_MC_FILENAME = 0,
/**
* A gchararray.
*/
PUBLISH_TAB_MC_FILESIZE = 1,
/**
* A gchararray.
*/
PUBLISH_TAB_MC_BGCOLOUR = 2,
/**
* A guint.
*/
PUBLISH_TAB_MC_PROGRESS = 3,
/**
* A gpointer.
*/
PUBLISH_TAB_MC_ENT = 4,
/**
* A gchararray.
*/
PUBLISH_TAB_MC_RESULT_STRING = 5,
/**
* A GdkPixbuf.
*/
PUBLISH_TAB_MC_STATUS_ICON = 6
};
/**
* We have a single tab where we display publishing operations.
* So there is only one instance of this struct.
*/
struct PublishTab
{
/**
* Frame for the tab.
*/
GtkWidget *frame;
/**
* Associated builder.
*/
GtkBuilder *builder;
/**
* Associated tree store.
*/
GtkTreeStore *ts;
/**
* Animation handle associated with the tree store.
*/
struct GNUNET_GTK_AnimationTreeViewHandle *atv;
};
/**
* Information we keep for each file or directory being published.
* Used to quickly identify the tab and row of the operation; stored
* in the user-context of the FS library for the publish operation.
*/
struct PublishEntry
{
/**
* Associated FS publish operation.
*/
struct GNUNET_FS_PublishContext *pc;
/**
* Tab storing this entry.
*/
struct PublishTab *tab;
/**
* Where in the tab is this entry?
*/
GtkTreeRowReference *rr;
/**
* URI of the file (set after completion).
*/
struct GNUNET_FS_Uri *uri;
/**
* Is this the top-level entry for the publish operation
* or sub-operation?
*/
int is_top;
};
/**
* Head of search results with a manually-activated probe.
*/
struct SearchResult *pl_head;
/**
* Tail of search results with a manually-activated probe.
*/
struct SearchResult *pl_tail;
/**
* Head of linked list of tabs for searches.
*/
static struct SearchTab *search_tab_head;
/**
* Tail of linked list of tabs for searches.
*/
static struct SearchTab *search_tab_tail;
/**
* Special tab we use to for downloads-by-URIs and
* opened directory files.
*/
static struct SearchTab *uri_tab;
/**
* Special tab we use to store publishing operations.
*/
static struct PublishTab *publish_tab;
/**
* Currently displayed search tab
*/
static struct SearchTab *current_search_tab = NULL;
/**
* Currently selected row in a search tab.
*/
static GtkTreePath *current_selected_search_result;
/**
* Animation to display while publishing.
*/
static struct GNUNET_GTK_AnimationContext *animation_publishing;
/**
* Animation to display after publishing is complete.
*/
static struct GNUNET_GTK_AnimationContext *animation_published;
/**
* Animation to display while downloading.
*/
static struct GNUNET_GTK_AnimationContext *animation_downloading;
/**
* Animation to display after downloading is complete.
*/
static struct GNUNET_GTK_AnimationContext *animation_downloaded;
/**
* Animation to display if a download has stalled.
*/
static struct GNUNET_GTK_AnimationContext *animation_download_stalled;
/**
* Animation to display while searching for sources to download from.
*/
static struct GNUNET_GTK_AnimationContext *animation_searching_sources;
/**
* Animation to display if we found sources to download from.
*/
static struct GNUNET_GTK_AnimationContext *animation_found_sources;
/**
* Animation to display if we encountered a hard error.
*/
static struct GNUNET_GTK_AnimationContext *animation_error;
/**
* Get the handle to the current search tab.
*
* @return handle to the current search tab.
*/
struct SearchTab *
GNUNET_FS_GTK_get_current_search_tab ()
{
return current_search_tab;
}
/* ***************** Search event handling ****************** */
/**
* Load an animation.
*
* @param basename basename of the animation file to load
* @return handle to the animation.
*/
static struct GNUNET_GTK_AnimationContext *
load_animation (const char *basename)
{
struct GNUNET_GTK_AnimationContext *ac;
const char *dd;
char *fn;
dd = GNUNET_GTK_get_data_dir ();
GNUNET_asprintf (&fn, "%s%s.gif", dd, basename);
ac = GNUNET_GTK_animation_context_create (fn);
GNUNET_free (fn);
return ac;
}
/**
* Clear the metadata list and the preview widget.
*/
static void
clear_metadata_display ()
{
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
gtk_image_clear (mctx->preview_image);
gtk_list_store_clear (mctx->md_liststore);
}
/**
* This should get the default download directory (so that GNUnet
* won't offer the user to download files to the 'bin' subdirectory,
* or whatever is the cwd). Returns NULL on failure (such as
* non-existing directory).
* TODO: Should also preserve the last setting (so
* if the user saves files somewhere else, next time we default to
* somewhere else, at least until application restart, or maybe even
* between application restarts).
*
* Fills the @a buffer up to @a size bytes, returns a pointer to it.
* Buffer will be NUL-terminated, if not NULL.
*
* @param buffer where to store the download directory name
* @param size number of bytes available in @a buffer
* @return
*/
static char *
get_default_download_directory (char *buffer, size_t size)
{
const struct GNUNET_CONFIGURATION_Handle *cfg;
char *dirname;
size_t dirname_len;
size_t copy_bytes;
cfg = GNUNET_FS_GTK_get_configuration ();
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (cfg,
"gnunet-fs-gtk",
"DEFAULT_DOWNLOAD_DIRECTORY",
&dirname))
return NULL;
if (GNUNET_YES !=
GNUNET_DISK_directory_test ((const char *) dirname, GNUNET_YES))
{
GNUNET_free (dirname);
return NULL;
}
dirname_len = strlen (dirname);
if (dirname_len >= size)
copy_bytes = size - 1;
else
copy_bytes = dirname_len;
memcpy (buffer, dirname, copy_bytes);
buffer[copy_bytes] = '\0';
GNUNET_free (dirname);
return buffer;
}
/**
*
*
* @param tm which tree model are we inspecting
* @param iter location in the tree model we are getting data from
* @param finished_chain non-NULL for top-level call (for the item we're about to download), NULL otherwise
* function sets it to #GNUNET_YES if the item we're about to download was, in fact, already downloaded once, and thus we provide a name for it,
* returning a finished relative filename that might only need .gnd appended to it, nothing else.
* @param root_directory top-level download directory to use. Set to the directory into which root of the tree (grand-*-parent item) was downloaded.
* If there's no already-downloaded grand-*-parents, set to default download directory (thus it will anways be filled on return).
* Returned strings should be freed with GNUNET_free() if not NULL.
* @param relative_directory name of the directory in which we're about to download a file, relative to the root_directory. Whether it includes name of the file itself, depends on finished_chain;
* Returned strings should be freed with GNUNET_free() if not NULL.
* @param anonymity anonymity level of one of the *parents. Initialize to -1. If none were downloaded, remains -1.
*/
static void
build_relative_name (GtkTreeModel *tm,
GtkTreeIter *iter,
int *finished_chain,
gchar **root_directory,
gchar **relative_directory,
int *anonymity)
{
char *filename;
int downloaded_anonymity;
GtkTreeIter parent;
gtk_tree_model_get (tm,
iter,
SEARCH_TAB_MC_DOWNLOADED_FILENAME,
&filename,
SEARCH_TAB_MC_DOWNLOADED_ANONYMITY,
&downloaded_anonymity,
-1);
if (! gtk_tree_model_iter_parent (tm, &parent, iter))
{
/* Ok, we're at the top item.
* bottom == GNUNET_YES is a corner case when we only have one
* item (top and bottom at the same time), and it was already
* downloaded once (has SEARCH_TAB_MC_DOWNLOADED_FILENAME set) and
* cleaned up afterwards (downloadable again).
*/
if (filename == NULL)
{
/* Top-level item is not downloaded yet
* (i.e. we only have one item, it's toplevel, and we're
* about to start downloading it).
* Use default download directory.
*/
char buf[FILENAME_MAX];
char *tmp;
tmp = get_default_download_directory (buf, sizeof (buf));
/* If no download directory is known, try working directory */
if (NULL == tmp)
tmp = g_strdup (getcwd (buf, sizeof (buf)));
*root_directory = g_strdup (tmp);
}
else
{
char *dot_gnd;
/* Toplevel item is a .gnd file, get its directory,
* and use it as download root (for now).
*/
*root_directory = g_path_get_dirname (filename);
*relative_directory = g_path_get_basename (filename);
dot_gnd = strrchr (*relative_directory, '.');
if (NULL != dot_gnd && strcmp (dot_gnd, ".gnd") == 0)
*dot_gnd = '\0';
if (finished_chain)
*finished_chain = GNUNET_YES;
}
}
else
{
build_relative_name (tm,
&parent,
NULL,
root_directory,
relative_directory,
anonymity);
/* We now know the root directory parent stems from,
* and parent's name (without .gnd) relative to the root directory.
* Now we need to check that root + reldir = directory
* where current item resides (that is, it was not saved in a different directory).
*/
if (NULL != filename)
{
gchar *our_dirname = g_path_get_dirname (filename);
gchar *our_expected_dirname =
g_build_filename (*root_directory, *relative_directory, NULL);
gchar *bname = g_path_get_basename (filename);
int chain_ok;
char *dot_gnd;
/* FIXME: Use better checking (don't compare paths as strings,
* only verify directory inode is the same, or something).
*/
#if WINDOWS
/* Kind of stricmp() for utf-8 */
gchar *tmp = g_utf8_casefold (our_dirname, -1);
gchar *tmpd = g_utf8_casefold (our_expected_dirname, -1);
chain_ok = 0 == g_utf8_collate (tmp, tmpd);
g_free (tmp);
g_free (tmpd);
#else
chain_ok = 0 == g_utf8_collate (our_dirname, our_expected_dirname);
#endif
dot_gnd = strrchr (bname, '.');
if (NULL != dot_gnd && strcmp (dot_gnd, ".gnd") == 0)
*dot_gnd = '\0';
if (! chain_ok)
{
/* User decided to download one of the directories into
* a different place - respect that decision, pick that
* place as the new root directory, and re-start relative name from here.
*/
g_free (*root_directory);
*root_directory = g_strdup (our_dirname);
g_free (*relative_directory);
*relative_directory = g_strdup (bname);
}
else
{
/* Continue the chain from the same root directory */
gchar *new_relative_directory =
g_build_filename (*relative_directory, bname, NULL);
g_free (*relative_directory);
*relative_directory = new_relative_directory;
}
if (finished_chain)
*finished_chain = GNUNET_YES;
g_free (our_dirname);
g_free (our_expected_dirname);
g_free (bname);
}
}
if ((downloaded_anonymity != -1) && (*anonymity == -1))
*anonymity = downloaded_anonymity;
g_free (filename);
}
/**
* Builds a suggested filename by prepending
* suggested names for its parent directories (if any).
*
* @param tm tree model this function gets the data from
* @param iter current position in the tree, for which we want a suggested filename
* @param download_directory will receive a pointer to download directory.
* free it with GNUNET_free() when done.
* Will never be NULL on return (CWD will be used as a fallback).
* @param anonymity will receive suggested anonymity (or -1 if anonymity can't be suggested)
* @return suggested filename relative to download directory (free with GNUNET_free()), or NULL
*/
static char *
get_suggested_filename_anonymity2 (GtkTreeModel *tm,
GtkTreeIter *iter,
char **download_directory,
int *anonymity)
{
char *result;
char *downloaddir;
char *relname;
char *filename;
char *tmp;
int downloaded_anonymity = -1;
struct GNUNET_FS_MetaData *meta;
size_t tmplen;
int finished_chain;
downloaddir = NULL;
relname = NULL;
finished_chain = GNUNET_NO;
build_relative_name (tm,
iter,
&finished_chain,
&downloaddir,
&relname,
&downloaded_anonymity);
gtk_tree_model_get (tm, iter, SEARCH_TAB_MC_METADATA, &meta, -1);
filename = GNUNET_FS_meta_data_suggest_filename (meta);
/* Don't trust metadata */
tmp = (char *) GNUNET_STRINGS_get_short_name (filename);
/* Really don't trust metadata */
if (NULL != tmp)
{
tmplen = strlen (tmp);
if ((1 == tmplen && '.' == tmp[0]) ||
(2 <= tmplen && '.' == tmp[0] && '.' == tmp[1]))
tmp = NULL;
else if ((1 == tmplen && ('/' == tmp[0] || '\\' == tmp[0])) || 0 == tmplen)
tmp = NULL;
}
if (NULL != tmp)
{
/* now, if we have a directory, replace trailing '/' with ".gnd" */
if (GNUNET_YES == GNUNET_FS_meta_data_test_for_directory (meta))
{
if ((tmp[tmplen - 1] == '/') || (tmp[tmplen - 1] == '\\'))
tmp[tmplen - 1] = '\0';
if (relname)
{
if (finished_chain)
GNUNET_asprintf (&result, "%s%s", relname, GNUNET_FS_DIRECTORY_EXT);
else
GNUNET_asprintf (&result,
"%s%s%s%s",
relname,
DIR_SEPARATOR_STR,
tmp,
GNUNET_FS_DIRECTORY_EXT);
}
else
GNUNET_asprintf (&result, "%s%s", tmp, GNUNET_FS_DIRECTORY_EXT);
}
else
{
if (relname)
{
if (finished_chain)
result = GNUNET_strdup (relname);
else
GNUNET_asprintf (&result, "%s%s%s", relname, DIR_SEPARATOR_STR, tmp);
}
else
result = GNUNET_strdup (tmp);
}
}
else
result = NULL;
*download_directory = GNUNET_strdup (downloaddir);
*anonymity = downloaded_anonymity;
GNUNET_free (filename);
g_free (downloaddir);
g_free (relname);
return result;
}
/**
* Context for the search list popup menu.
*/
struct SearchListPopupContext
{
/**
* Tab where the search list popup was created, NULL for
* the downloads list.
*/
struct SearchTab *tab;
/**
* Row where the search list popup was created.
*/
GtkTreeRowReference *rr;
/**
* Search result at the respective row.
*/
struct SearchResult *sr;
};
/**
* An item was selected from the context menu; destroy the menu shell.
*
* @param menushell menu to destroy
* @param user_data the 'struct SearchListPopupContext' of the menu
*/
static void
search_list_popup_selection_done (GtkMenuShell *menushell, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
gtk_widget_destroy (GTK_WIDGET (menushell));
gtk_tree_row_reference_free (spc->rr);
GNUNET_free (spc);
}
/**
* Selected row has changed in search result tree view, update preview
* and metadata areas.
*
* @param tv the tree view in a search tab where the selection changed
* @param user_data the 'struct SearchTab' that contains the tree view
*/
void
GNUNET_FS_GTK_search_treeview_cursor_changed (GtkTreeView *tv,
gpointer user_data);
/**
* Setup an entry for the download in the download list.
* Initializes the 'rr' field of @a de.
*
* @param de the download entry to initialize
* @param pde download entry of the parent, or NULL for top-level
* @param sr associated search result to add to the model
*/
static void
setup_download_list_entry (struct DownloadEntry *de,
struct DownloadEntry *pde,
struct SearchResult *sr)
{
GtkTreeIter download_iter;
GtkTreeIter download_piter;
GtkTreePath *path;
/* created row in download list */
if (NULL == pde)
{
/* top level */
gtk_tree_store_insert (downloads_treestore, &download_iter, NULL, G_MAXINT);
}
else
{
/* below parent */
path = gtk_tree_row_reference_get_path (pde->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (downloads_treestore),
&download_piter,
path));
gtk_tree_path_free (path);
gtk_tree_store_insert (downloads_treestore,
&download_iter,
&download_piter,
G_MAXINT);
}
gtk_tree_store_set (downloads_treestore,
&download_iter,
SEARCH_TAB_MC_SEARCH_RESULT,
sr,
-1);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (downloads_treestore),
&download_iter);
de->rr =
gtk_tree_row_reference_new (GTK_TREE_MODEL (downloads_treestore), path);
gtk_tree_path_free (path);
}
/**
* Obtain the iterator for the respective download entry.
*
* @param de the download entry
* @param[out] iter set to the respective position in the #downloads_treestore
*/
static void
get_download_list_entry (struct DownloadEntry *de, GtkTreeIter *iter)
{
GtkTreePath *path;
path = gtk_tree_row_reference_get_path (de->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (downloads_treestore), iter, path));
gtk_tree_path_free (path);
}
/**
*
* @param save_as #GNUNET_YES to open SaveAs dialog, #GNUNET_NO to start downloading.
* @param download_directly #GNUNET_YES to make SaveAs dialog initiate the download,
* #GNUNET_NO to only change names on the download panel.
* Ingored if save_as is #GNUNET_NO.
*/
static void
start_download2 (int save_as, int download_directly)
{
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
struct SearchTab *st = GNUNET_FS_GTK_get_current_search_tab ();
GtkTreeView *tv;
GtkTreeSelection *sel;
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreeIter parent_iter;
struct SearchResult *sr;
GtkTreePath *path;
const gchar *filename;
gchar *downloaddir;
struct DownloadEntry *de;
guint anonymity;
gboolean recursive;
GtkTreeIter next_item;
tv = GTK_TREE_VIEW (
gtk_builder_get_object (st->builder, "_search_result_frame"));
sel = gtk_tree_view_get_selection (tv);
if (! gtk_tree_selection_get_selected (sel, &model, &iter))
return;
gtk_tree_model_get (model, &iter, SEARCH_TAB_MC_SEARCH_RESULT, &sr, -1);
if (NULL == sr)
{
GNUNET_break (0);
return;
}
GNUNET_assert (NULL != sr->uri);
if (GNUNET_FS_uri_test_ksk (sr->uri) || GNUNET_FS_uri_test_sks (sr->uri))
{
GNUNET_FS_GTK_handle_uri (sr->uri, 1);
return;
}
if (! ((NULL == sr->download) && (NULL != sr->uri) &&
((GNUNET_FS_uri_test_chk (sr->uri) ||
GNUNET_FS_uri_test_loc (sr->uri)))))
return;
path = gtk_tree_model_get_path (model, &iter);
recursive = gtk_toggle_button_get_active (
GTK_TOGGLE_BUTTON (mctx->download_recursive_checkbutton));
filename = gtk_entry_get_text (mctx->download_name_entry);
downloaddir = gtk_file_chooser_get_filename (mctx->download_location_chooser);
de = GNUNET_new (struct DownloadEntry);
if (gtk_tree_model_iter_parent (model, &parent_iter, &iter))
{
struct SearchResult *psr = NULL;
gtk_tree_model_get (model,
&parent_iter,
SEARCH_TAB_MC_SEARCH_RESULT,
&psr,
-1);
if (psr)
de->pde = psr->download;
}
/* else pde remains zero */
setup_download_list_entry (de, de->pde, sr);
de->uri = GNUNET_FS_uri_dup (sr->uri);
GNUNET_asprintf (&de->filename,
"%s%s%s",
downloaddir,
DIR_SEPARATOR_STR,
filename);
de->sr = sr;
sr->download = de;
if (
GNUNET_GTK_get_selected_anonymity_combo_level (mctx
->download_anonymity_combo,
&anonymity))
de->anonymity = anonymity;
else
de->anonymity = 1;
de->is_recursive = recursive;
de->is_directory = GNUNET_FS_meta_data_test_for_directory (sr->meta);
if (save_as == GNUNET_NO)
GNUNET_FS_GTK_download_context_start_download (de);
else if (download_directly == GNUNET_YES)
GNUNET_FS_GTK_open_download_as_dialog (de);
else
GNUNET_FS_GTK_open_change_download_name_dialog (de);
gtk_tree_path_free (path);
g_free (downloaddir);
if (! save_as)
{
if (GNUNET_GTK_tree_model_get_next_flat_iter (model,
&iter,
! recursive,
&next_item))
gtk_tree_selection_select_iter (sel, &next_item);
GNUNET_FS_GTK_search_treeview_cursor_changed (tv, st);
}
}
/**
* "Download" was selected in the current search context menu.
*
* @param spc the `struct SearchListPopupContext` of the menu
* @param is_recursive was this the 'recursive' option?
* @param save_as was this the 'save as' option?
*/
static void
start_download_ctx_menu_helper (struct SearchListPopupContext *spc,
int is_recursive,
int save_as)
{
start_download2 (save_as, GNUNET_YES);
}
/**
* This function is called when the user double-clicks on a search
* result. Begins the download, if necessary by opening the "save as"
* window.
*
* @param tree_view tree view with the details
* @param path path selecting which entry we want to download
* @param column unused entry specifying which column the mouse was in
* @param user_data the 'struct SearchTab' that was activated
*/
void
GNUNET_FS_GTK_search_treeview_row_activated (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
start_download2 (GNUNET_NO, GNUNET_NO);
}
/**
* User clicked on "Download!" button at the download options panel.
*
* @param button the "Download!" button
* @param user_data the main window context
*/
void
GNUNET_GTK_search_frame_download_download_button_clicked_cb (GtkButton *button,
gpointer user_data)
{
start_download2 (GNUNET_NO, GNUNET_NO);
}
/**
* User clicked on "..." button at the download options panel, next
* to the Download As entry.
*
* @param button the "..." button
* @param user_data the main window context
*/
void
GNUNET_GTK_search_frame_download_filename_change_button_clicked_cb (
GtkButton *button,
gpointer user_data)
{
start_download2 (GNUNET_YES, GNUNET_NO);
}
/**
* "Download" was selected in the current search context menu.
*
* @param item the 'download' menu item
* @param user_data the `struct SearchListPopupContext` of the menu
*/
static void
start_download_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
start_download_ctx_menu_helper (spc, GNUNET_NO, GNUNET_NO);
}
/**
* "Get root element of associated namespace X" was selected in the
* current search context menu. Handle the respective URI by
* displaying it in the search bar.
*
* @param item the menu item that was selected
* @param user_data NULL
*/
static void
handle_uri_from_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct GNUNET_FS_Uri *uri;
char *uris;
uri = g_object_get_data (G_OBJECT (item), "fs-uri");
if (NULL == uri)
return;
uris = GNUNET_FS_uri_to_string (uri);
if (NULL == uris)
return;
GNUNET_break (GNUNET_OK == GNUNET_FS_GTK_handle_uri_string (uris, 1));
GNUNET_free (uris);
/* GObject will clean up the URI */
}
/**
* "Download recursively" was selected in the current search context menu.
*
* @param item the 'download recursively' menu item
* @param user_data the 'struct SearchListPopupContext' of the menu
*/
static void
start_download_recursively_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
start_download_ctx_menu_helper (spc, GNUNET_YES, GNUNET_NO);
}
/**
* "Download as..." was selected in the current search context menu.
*
* @param item the 'download as...' menu item
* @param user_data the 'struct SearchListPopupContext' of the menu
*/
static void
download_as_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
start_download_ctx_menu_helper (spc, GNUNET_NO, GNUNET_YES);
}
/**
* Selected row has changed in downloads tree view, update preview
* and metadata areas.
*
* @param tv the tree view in a search tab where the selection changed
* @param user_data unused
*/
void
GNUNET_FS_GTK_download_frame_treeview_cursor_changed_cb (GtkTreeView *tv,
gpointer user_data)
{
GNUNET_FS_GTK_search_treeview_cursor_changed (tv, NULL);
}
/**
* Download "abort" was selected in the current search context menu.
*
* @param item the 'abort' menu item
* @param user_data the 'struct SearchListPopupContext' with the download to abort.
*/
static void
abort_download_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
struct DownloadEntry *de = spc->sr->download;
GtkTreeView *tv;
GNUNET_assert (NULL != de->dc);
GNUNET_FS_download_stop (de->dc, GNUNET_YES);
if (NULL != spc->tab)
{
tv = GTK_TREE_VIEW (
gtk_builder_get_object (spc->tab->builder, "_search_result_frame"));
GNUNET_FS_GTK_search_treeview_cursor_changed (tv, spc->tab);
}
else
{
tv = GTK_TREE_VIEW (
GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_download_frame"));
GNUNET_FS_GTK_download_frame_treeview_cursor_changed_cb (tv, NULL);
}
}
/**
* Copy current URI to clipboard was selected in the current context menu.
*
* @param item the 'copy-to-clipboard' menu item
* @param user_data the `struct SearchListPopupContext` of the menu
*/
static void
copy_search_uri_to_clipboard_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct SearchListPopupContext *spc = user_data;
GtkTreePath *path;
GtkTreeView *tv;
GtkTreeModel *tm;
GtkTreeIter iter;
struct GNUNET_FS_Uri *uri;
char *uris;
GtkClipboard *cb;
path = gtk_tree_row_reference_get_path (spc->rr);
if (NULL != spc->tab)
tv = GTK_TREE_VIEW (
gtk_builder_get_object (spc->tab->builder, "_search_result_frame"));
else
tv = GTK_TREE_VIEW (
GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_download_frame"));
tm = gtk_tree_view_get_model (tv);
if (! gtk_tree_model_get_iter (tm, &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_model_get (tm, &iter, SEARCH_TAB_MC_URI, &uri, -1);
gtk_tree_path_free (path);
if (uri == NULL)
{
GNUNET_break (0);
return;
}
uris = GNUNET_FS_uri_to_string (uri);
cb = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text (cb, uris, -1);
gtk_clipboard_store (cb);
GNUNET_free (uris);
}
/**
* Callback invoked for each embedded URIs.
*
* @return 0 to continue iteration, 1 to abort
*/
typedef int (*EmbeddedUriCallback) (void *cls, const struct GNUNET_FS_Uri *uri);
/**
* Closure for #check_for_embedded_uri.
*/
struct UriScannerCallbackContext
{
/**
* Function to call with URIs that were found.
*/
EmbeddedUriCallback cb;
/**
* Closure for @e cb
*/
void *cls;
};
/**
* Metadata callback. Checks metadata item for being an FS URI,
* invokes the callback if so.
*
* @param cls the `struct UriScannerCallbackContext`
* @param plugin_name name of the plugin that did the extraction (ignored)
* @param type type of meta data
* @param format format of the meta data
* @param data_mime_type mime type of the meta data
* @param data the meta data value
* @param data_size number of bytes in @a data
* @return 0 we did not invoke the callback, otherwise
* whatever the callback returned
*/
static int
check_for_embedded_uri (void *cls,
const char *plugin_name,
enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format,
const char *data_mime_type,
const char *data,
size_t data_size)
{
struct UriScannerCallbackContext *ctx = cls;
int result;
char *emsg;
struct GNUNET_FS_Uri *uri;
if ((EXTRACTOR_METATYPE_URI != type) ||
(EXTRACTOR_METAFORMAT_UTF8 != format) || (NULL == data_mime_type) ||
(0 != strcmp ("text/plain", data_mime_type)) || (0 == data_size) ||
('\0' != data[data_size - 1]))
return 0;
emsg = NULL;
uri = GNUNET_FS_uri_parse (data, &emsg);
if (NULL == uri)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_ ("Failed to parse URI `%.*s': %s\n"),
(int) data_size,
data,
emsg);
GNUNET_free (emsg);
return 0;
}
result = ctx->cb (ctx->cls, uri);
GNUNET_FS_uri_destroy (uri);
return result;
}
/**
* Search metadata for URIs, invoke the callback for each one.
*
* @param meta meta data to inspect
* @param cb function to call on URIs that were found
* @param cls closure for @a cb
*/
static void
find_embedded_uris (const struct GNUNET_FS_MetaData *meta,
EmbeddedUriCallback cb,
void *cls)
{
struct UriScannerCallbackContext ctx;
ctx.cb = cb;
ctx.cls = cls;
GNUNET_FS_meta_data_iterate (meta, &check_for_embedded_uri, &ctx);
}
/**
* Closure for #populate_popup_with_uri_items
*/
struct UriPopulationContext
{
/**
* Popup menu we are populating.
*/
GtkMenu *menu;
/**
* Counter used to limit the number of entries we add.
*/
int counter;
};
/**
* Called for every URI in metadata. Adds up to 3 menu items
* that will initiate downloads for these URIs
*
* @param cls the `struct UriPopulationContext`
* @param uri URI to download
* @return 0 if we might add more iterms,
* 1 if we have reached the limit
*/
static int
populate_popup_with_uri_items (void *cls, const struct GNUNET_FS_Uri *uri)
{
struct UriPopulationContext *ctx = cls;
GtkWidget *child;
char *labels;
GtkWidget *ns_association_icon;
char *uris;
GtkWidget *box;
GtkWidget *label;
GtkAccelGroup *accel_group;
ctx->counter++;
uris = GNUNET_FS_uri_to_string (uri);
GNUNET_asprintf (&labels, _ ("URI #%d: %s"), ctx->counter, uris);
GNUNET_free (uris);
label = gtk_accel_label_new (labels);
GNUNET_free (labels);
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
child = gtk_menu_item_new ();
ns_association_icon =
gtk_image_new_from_icon_name ("gnunet-fs-gtk-ns-association",
GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (box), ns_association_icon);
#if GTK_CHECK_VERSION(3, 16, 0)
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
#endif
accel_group = gtk_accel_group_new ();
gtk_widget_add_accelerator (child,
"activate",
accel_group,
GDK_KEY_m,
GDK_CONTROL_MASK,
GTK_ACCEL_VISIBLE);
gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), child);
gtk_box_pack_end (GTK_BOX (box), label, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (child), box);
g_object_set_data_full (G_OBJECT (child),
"fs-uri",
GNUNET_FS_uri_dup (uri),
(GDestroyNotify) &GNUNET_FS_uri_destroy);
g_signal_connect (child,
"activate",
G_CALLBACK (handle_uri_from_ctx_menu),
NULL);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (ctx->menu), child);
return (ctx->counter < 4) ? 0 : 1;
}
/**
* Context menu was requested for a search result list.
* Compute which menu items are applicable and display
* an appropriate menu.
*
* @param tm tree model underlying the tree view where the event happened
* @param tab tab where the event happened, NULL for download tab
* @param iter location in the tree model selected at the time
* @return NULL if no menu could be created,
* otherwise the a pop-up menu
*/
static GtkMenu *
search_list_get_popup (GtkTreeModel *tm,
struct SearchTab *tab,
GtkTreeIter *iter)
{
GtkMenu *menu;
GtkWidget *child;
GtkTreePath *path;
struct SearchResult *sr;
struct SearchListPopupContext *spc;
int is_directory = GNUNET_NO;
struct UriPopulationContext uri_pop_ctx;
spc = GNUNET_new (struct SearchListPopupContext);
spc->tab = tab;
path = gtk_tree_model_get_path (tm, iter);
spc->rr = gtk_tree_row_reference_new (tm, path);
gtk_tree_path_free (path);
gtk_tree_model_get (tm, iter, SEARCH_TAB_MC_SEARCH_RESULT, &sr, -1);
if (NULL == sr)
{
GNUNET_break (0);
return NULL;
}
if (NULL != sr->meta)
is_directory = GNUNET_FS_meta_data_test_for_directory (sr->meta);
spc->sr = sr;
menu = GTK_MENU (gtk_menu_new ());
if ((NULL == sr->download) && (NULL != sr->uri) &&
((GNUNET_FS_uri_test_chk (sr->uri) || GNUNET_FS_uri_test_loc (sr->uri))))
{
/* only display download menus if there is a URI */
child = gtk_menu_item_new_with_label (_ ("_Download"));
g_signal_connect (child,
"activate",
G_CALLBACK (start_download_ctx_menu),
spc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
if (is_directory == GNUNET_YES)
{
child = gtk_menu_item_new_with_label (_ ("Download _recursively"));
g_signal_connect (child,
"activate",
G_CALLBACK (start_download_recursively_ctx_menu),
spc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
child = gtk_menu_item_new_with_label (_ ("Download _as..."));
g_signal_connect (child,
"activate",
G_CALLBACK (download_as_ctx_menu),
spc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
/* Insert a separator */
child = gtk_separator_menu_item_new ();
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
/* check for embedded URIs */
uri_pop_ctx.counter = 0;
uri_pop_ctx.menu = menu;
find_embedded_uris (sr->meta, &populate_popup_with_uri_items, &uri_pop_ctx);
if (0 < uri_pop_ctx.counter)
{
/* Insert another separator */
child = gtk_separator_menu_item_new ();
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
if ((NULL != sr->download) && (GNUNET_YES != sr->download->is_done))
{
child = gtk_menu_item_new_with_label (_ ("_Abort download"));
g_signal_connect (child,
"activate",
G_CALLBACK (abort_download_ctx_menu),
spc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
if (NULL != sr->uri)
{
child = gtk_menu_item_new_with_label (_ ("_Copy URI to Clipboard"));
g_signal_connect (child,
"activate",
G_CALLBACK (copy_search_uri_to_clipboard_ctx_menu),
spc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
g_signal_connect (menu,
"selection-done",
G_CALLBACK (search_list_popup_selection_done),
spc);
return menu;
}
/**
* We got a 'popup-menu' event, display the context menu.
*
* @param widget the tree view where the event happened
* @param user_data the 'struct SearchTab' of the tree view
* @return FALSE if no menu could be popped up,
* TRUE if there is now a pop-up menu
*/
gboolean
GNUNET_FS_GTK_search_treeview_popup_menu (GtkWidget *widget, gpointer user_data)
{
GtkTreeView *tv = GTK_TREE_VIEW (widget);
struct SearchTab *tab = user_data;
GtkTreeSelection *sel;
GtkTreeIter iter;
GtkTreeModel *tm;
GtkMenu *menu;
sel = gtk_tree_view_get_selection (tv);
if (! gtk_tree_selection_get_selected (sel, &tm, &iter))
return FALSE; /* nothing selected */
menu = search_list_get_popup (tm, tab, &iter);
if (NULL == menu)
return FALSE;
gtk_menu_popup_at_widget (menu,
widget,
GDK_GRAVITY_CENTER,
GDK_GRAVITY_CENTER,
NULL);
return TRUE;
}
/**
* We got a right-click on the search result list. Display the context
* menu.
*
* @param widget the GtkTreeView with the search result list
* @param event the event, we only care about button events
* @param user_data the 'struct SearchTab' the widget is in
* @return FALSE to propagate the event further,
* TRUE to stop the propagation
*/
gboolean
GNUNET_FS_GTK_search_treeview_button_press_event (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
GtkTreeView *tv = GTK_TREE_VIEW (widget);
GdkEventButton *event_button = (GdkEventButton *) event;
struct SearchTab *tab = user_data;
GtkTreeModel *tm;
GtkTreePath *path;
GtkTreeIter iter;
GtkMenu *menu;
if ((GDK_BUTTON_PRESS != event->type) || (3 != event_button->button))
return FALSE; /* not a right-click */
if (! gtk_tree_view_get_path_at_pos (tv,
event_button->x,
event_button->y,
&path,
NULL,
NULL,
NULL))
return FALSE; /* click outside of area with values, ignore */
tm = gtk_tree_view_get_model (tv);
if (! gtk_tree_model_get_iter (tm, &iter, path))
return FALSE; /* not sure how we got a path but no iter... */
gtk_tree_path_free (path);
menu = search_list_get_popup (tm, tab, &iter);
if (NULL == menu)
return FALSE;
gtk_menu_popup_at_pointer (menu, event);
return FALSE;
}
/**
* We got a right-click on the downloads list. Display the context
* menu.
*
* @param widget the GtkTreeView with the search result list
* @param event the event, we only care about button events
* @param user_data UNUSED
* @return FALSE to propagate the event further,
* TRUE to stop the propagation
*/
gboolean
GNUNET_GTK_download_frame_button_press_event_cb (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
GtkTreeView *tv = GTK_TREE_VIEW (widget);
GdkEventButton *event_button = (GdkEventButton *) event;
GtkTreeModel *tm;
GtkTreePath *path;
GtkTreeIter iter;
GtkMenu *menu;
if ((GDK_BUTTON_PRESS != event->type) || (3 != event_button->button))
return FALSE; /* not a right-click */
if (! gtk_tree_view_get_path_at_pos (tv,
event_button->x,
event_button->y,
&path,
NULL,
NULL,
NULL))
return FALSE; /* click outside of area with values, ignore */
tm = gtk_tree_view_get_model (tv);
if (! gtk_tree_model_get_iter (tm, &iter, path))
return FALSE; /* not sure how we got a path but no iter... */
gtk_tree_path_free (path);
menu = search_list_get_popup (tm, NULL, &iter);
if (NULL == menu)
return FALSE;
gtk_menu_popup_at_pointer (menu, event);
return FALSE;
}
/**
* Recalculate and update the label for a search, as we have
* received additional search results.
*
* @param tab search tab for which we should update the label
*/
static void
update_search_label (struct SearchTab *tab)
{
char *label_text;
while (tab->parent != NULL)
tab = tab->parent->tab;
if (tab->num_results > 0)
GNUNET_asprintf (&label_text,
"%.*s%s (%u)",
20,
tab->query_txt,
strlen (tab->query_txt) > 20 ? "..." : "",
tab->num_results);
else
GNUNET_asprintf (&label_text,
"%.*s%s",
20,
tab->query_txt,
strlen (tab->query_txt) > 20 ? "..." : "");
gtk_label_set_text (tab->label, label_text);
gtk_widget_set_tooltip_text (GTK_WIDGET (tab->label), tab->query_txt);
GNUNET_free (label_text);
}
/**
* Close a search tab and free associated state. Assumes that the
* respective tree model has already been cleaned up (this just
* updates the notebook and frees the 'tab' itself).
*
* @param tab search tab to close
*/
static void
close_search_tab (struct SearchTab *tab)
{
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
GtkTreeIter iter;
int index;
int i;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Closing search tab `%s'\n",
tab->query_txt);
if (NULL != tab->parent)
{
/* not a top-level search (namespace update search), do not close
tab here! */
tab->parent->tab = NULL;
GNUNET_free (tab);
return;
}
clear_metadata_display ();
index = -1;
for (i = gtk_notebook_get_n_pages (mctx->notebook) - 1; i >= 0; i--)
if (tab->frame == gtk_notebook_get_nth_page (mctx->notebook, i))
index = i;
if (gtk_tree_model_iter_children (GTK_TREE_MODEL (tab->ts), &iter, NULL))
{
do
{
struct SearchResult *sr;
gtk_tree_model_get (GTK_TREE_MODEL (tab->ts),
&iter,
SEARCH_TAB_MC_SEARCH_RESULT,
&sr,
-1);
if (NULL != sr)
sr->tab = NULL;
} while (gtk_tree_model_iter_next (GTK_TREE_MODEL (tab->ts), &iter));
}
gtk_notebook_remove_page (mctx->notebook, index);
g_object_unref (tab->builder);
GNUNET_free (tab->query_txt);
GNUNET_CONTAINER_DLL_remove (search_tab_head, search_tab_tail, tab);
if (tab == uri_tab)
uri_tab = NULL;
if (NULL != tab->atv)
GNUNET_GTK_animation_tree_view_unregister (tab->atv);
GNUNET_free (tab);
if ((NULL == search_tab_head) && (NULL == uri_tab))
{
struct GNUNET_GTK_MainWindowContext *mctx =
GNUNET_FS_GTK_get_main_context ();
GNUNET_GTK_animation_context_destroy (animation_downloading);
animation_downloading = NULL;
GNUNET_GTK_animation_context_destroy (animation_downloaded);
animation_downloaded = NULL;
GNUNET_GTK_animation_context_destroy (animation_download_stalled);
animation_download_stalled = NULL;
GNUNET_GTK_animation_context_destroy (animation_searching_sources);
animation_searching_sources = NULL;
GNUNET_GTK_animation_context_destroy (animation_found_sources);
animation_found_sources = NULL;
gtk_widget_hide (GTK_WIDGET (mctx->download_panel));
if (current_selected_search_result != NULL)
gtk_tree_path_free (current_selected_search_result);
current_selected_search_result = NULL;
}
}
/**
* Close the 'uri_tab'.
*/
void
GNUNET_FS_GTK_close_uri_tab_ ()
{
if (NULL != uri_tab)
close_search_tab (uri_tab);
}
/**
* Handle the case where an active download lost its
* search parent; need to remember that the respective
* tab and row reference no longer exist.
*
* @param de download where the parent (i.e. search) was lost
*/
static void
download_lost_parent (struct DownloadEntry *de)
{
GNUNET_log (
GNUNET_ERROR_TYPE_DEBUG,
"Download %p lost search parent; removing from search result %p list.\n",
de,
de->sr);
if (NULL != de->sr->rr)
{
gtk_tree_row_reference_free (de->sr->rr);
de->sr->rr = NULL;
}
de->sr = NULL;
}
/**
* Moves all of the downloads in the given subtree to the URI tab
* and cleans up the state of the other entries from the view.
* The subtree itself will be removed from the tree view later.
*
* @param tm tree model
* @param iter parent of the subtree to check
*/
static void
remove_results_in_subtree (GtkTreeModel *tm, GtkTreeIter *iter)
{
GtkTreeIter child;
struct SearchResult *sr;
if (gtk_tree_model_iter_children (tm, &child, iter))
{
do
{
gtk_tree_model_get (tm, &child, SEARCH_TAB_MC_SEARCH_RESULT, &sr, -1);
remove_results_in_subtree (tm, &child);
gtk_tree_row_reference_free (sr->rr);
sr->rr = NULL;
if (NULL != sr->probe)
{
GNUNET_FS_probe_stop (sr->probe);
sr->probe = NULL;
GNUNET_CONTAINER_DLL_remove (pl_head, pl_tail, sr);
}
/* get ready for removal of the tree */
gtk_tree_store_set (GTK_TREE_STORE (tm),
&child,
SEARCH_TAB_MC_METADATA,
NULL,
SEARCH_TAB_MC_URI,
NULL,
SEARCH_TAB_MC_SEARCH_RESULT,
NULL,
-1);
if (NULL != sr->download)
{
/* 'sr' still referenced from download; do not free */
sr->tab = NULL;
continue;
}
if (NULL != sr->uri)
{
GNUNET_FS_uri_destroy (sr->uri);
sr->uri = NULL;
}
if (NULL != sr->meta)
{
GNUNET_FS_meta_data_destroy (sr->meta);
sr->meta = NULL;
}
GNUNET_free (sr);
} while (gtk_tree_model_iter_next (tm, &child));
}
}
/**
* Free a particular search result and remove the respective
* entries from the respective tree store. This function
* is called when a search is stopped to clean up the state
* of the tab.
*
* @param sr the search result to clean up
*/
static void
free_search_result (struct SearchResult *sr)
{
GtkTreePath *tp;
GtkTreeModel *tm;
GtkTreeIter iter;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Freeing a search result SR=%p\n", sr);
if (NULL == sr)
{
GNUNET_break (0);
return;
}
if ((NULL != sr->rr) &&
(NULL != (tm = gtk_tree_row_reference_get_model (sr->rr))) &&
(NULL != (tp = gtk_tree_row_reference_get_path (sr->rr))))
{
if (! gtk_tree_model_get_iter (tm, &iter, tp))
{
GNUNET_break (0);
gtk_tree_path_free (tp);
return;
}
/* get ready for later removal of the tree */
gtk_tree_store_set (GTK_TREE_STORE (tm),
&iter,
SEARCH_TAB_MC_METADATA,
NULL,
SEARCH_TAB_MC_URI,
NULL,
SEARCH_TAB_MC_SEARCH_RESULT,
NULL,
-1);
gtk_tree_path_free (tp);
gtk_tree_row_reference_free (sr->rr);
sr->rr = NULL;
remove_results_in_subtree (tm, &iter);
GNUNET_FS_GTK_remove_treestore_subtree (GTK_TREE_STORE (tm), &iter);
}
if (NULL != sr->probe)
{
GNUNET_FS_probe_stop (sr->probe);
sr->probe = NULL;
GNUNET_CONTAINER_DLL_remove (pl_head, pl_tail, sr);
}
if (NULL != sr->download)
{
/* 'sr' still referenced from download; do not free */
sr->tab = NULL;
return;
}
if (NULL != sr->uri)
{
GNUNET_FS_uri_destroy (sr->uri);
sr->uri = NULL;
}
if (NULL != sr->meta)
{
GNUNET_FS_meta_data_destroy (sr->meta);
sr->meta = NULL;
}
GNUNET_free (sr);
}
/**
* Selected row has changed in search result tree view, update preview
* and metadata areas.
*
* @param tv the tree view in a search tab where the selection changed
* @param user_data unused
*/
void
GNUNET_FS_GTK_search_treeview_cursor_changed (GtkTreeView *tv,
gpointer user_data)
{
GtkTreeSelection *sel;
GtkTreeModel *model;
GtkTreeIter iter;
GdkPixbuf *pixbuf;
GtkTreePath *selpath;
struct SearchResult *sr;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
gtk_list_store_clear (mctx->md_liststore);
sel = gtk_tree_view_get_selection (tv);
if (! gtk_tree_selection_get_selected (sel, &model, &iter))
{
/* nothing selected, clear preview */
gtk_image_clear (mctx->preview_image);
gtk_widget_hide (GTK_WIDGET (mctx->download_panel));
if (current_selected_search_result != NULL)
gtk_tree_path_free (current_selected_search_result);
current_selected_search_result = NULL;
return;
}
pixbuf = NULL;
gtk_tree_model_get (model,
&iter,
SEARCH_TAB_MC_PREVIEW,
&pixbuf,
SEARCH_TAB_MC_SEARCH_RESULT,
&sr,
-1);
if (NULL == sr)
return;
selpath = gtk_tree_model_get_path (model, &iter);
if ((NULL == current_selected_search_result) ||
(0 != gtk_tree_path_compare (selpath, current_selected_search_result)))
{
if ((NULL == sr->download) && (NULL != sr->uri) &&
((GNUNET_FS_uri_test_chk (sr->uri) ||
GNUNET_FS_uri_test_loc (sr->uri))))
{
char *download_directory;
char *filename;
int anonymity;
int is_directory = GNUNET_NO;
/* Calculate suggested filename */
anonymity = -1;
download_directory = NULL;
filename = get_suggested_filename_anonymity2 (model,
&iter,
&download_directory,
&anonymity);
is_directory = GNUNET_FS_meta_data_test_for_directory (sr->meta);
gtk_widget_set_sensitive (GTK_WIDGET (
mctx->download_recursive_checkbutton),
is_directory);
/* TODO: make this configurable */
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (
mctx->download_recursive_checkbutton),
is_directory == GNUNET_YES);
/* TODO: make this configurable */
GNUNET_GTK_select_anonymity_combo_level (mctx->download_anonymity_combo,
anonymity >= 0 ? anonymity : 1);
gtk_entry_set_text (mctx->download_name_entry,
filename != NULL ? filename : NULL);
gtk_file_chooser_set_current_folder (mctx->download_location_chooser,
download_directory);
gtk_widget_show_all (GTK_WIDGET (mctx->download_panel));
GNUNET_free (filename);
GNUNET_free (download_directory);
}
else
gtk_widget_hide (GTK_WIDGET (mctx->download_panel));
if (current_selected_search_result != NULL)
gtk_tree_path_free (current_selected_search_result);
current_selected_search_result = selpath;
}
else
gtk_tree_path_free (selpath);
if (NULL != pixbuf)
{
gtk_image_set_from_pixbuf (mctx->preview_image, pixbuf);
g_object_unref (G_OBJECT (pixbuf));
}
else
gtk_image_clear (mctx->preview_image);
if (NULL != sr->meta)
GNUNET_FS_meta_data_iterate (sr->meta,
&GNUNET_FS_GTK_add_meta_data_to_list_store,
mctx->md_liststore);
}
/**
* Page switched in main notebook, update thumbnail and
* metadata views.
*
* @param dummy widget emitting the event, unused
* @param data main window context
*/
void
GNUNET_GTK_main_window_notebook_switch_page_cb (GtkWidget *dummy, gpointer data)
{
gint page;
GtkWidget *w;
struct SearchTab *tab;
GtkTreeView *tv;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
page = gtk_notebook_get_current_page (mctx->notebook);
w = gtk_notebook_get_nth_page (mctx->notebook, page);
current_search_tab = NULL;
for (tab = search_tab_head; NULL != tab; tab = tab->next)
{
if (tab->frame != w)
continue;
current_search_tab = tab;
tv = GTK_TREE_VIEW (
gtk_builder_get_object (tab->builder, "_search_result_frame"));
GNUNET_FS_GTK_search_treeview_cursor_changed (tv, tab);
return;
}
gtk_widget_hide (GTK_WIDGET (mctx->download_panel));
/* active tab is not a search tab (likely the 'publish' tab),
clear meta data and preview widgets */
gtk_image_clear (mctx->preview_image);
gtk_list_store_clear (mctx->md_liststore);
if (NULL != current_selected_search_result)
gtk_tree_path_free (current_selected_search_result);
current_selected_search_result = NULL;
}
/**
* User clicked on the 'close' button for a search tab. Tell FS to stop the search.
*
* @param button the 'close' button
* @param user_data the `struct SearchTab` of the tab to close
*/
void
GNUNET_FS_GTK_search_result_close_button_clicked (GtkButton *button,
gpointer user_data)
{
struct SearchTab *tab = user_data;
struct GNUNET_FS_SearchContext *sc;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Stopping search `%s'\n",
tab->query_txt);
sc = tab->sc;
if (NULL == sc)
{
GNUNET_break (0);
return;
}
tab->sc = NULL;
GNUNET_FS_search_stop (sc);
}
/**
* The user clicked on the 'pause' button for a search tab. Tell FS to pause the search.
*
* @param button the 'pause' button
* @param user_data the 'struct SearchTab' of the tab to pause
*/
void
GNUNET_FS_GTK_search_result_pause_button_clicked (GtkButton *button,
gpointer user_data)
{
struct SearchTab *tab = user_data;
if (NULL == tab->sc)
{
GNUNET_break (0);
return;
}
GNUNET_FS_search_pause (tab->sc);
gtk_widget_show (tab->play_button);
gtk_widget_hide (tab->pause_button);
}
/**
* The user clicked on the 'resume' button for a search tab. Tell FS to resume the search.
*
* @param button the 'resume' button
* @param user_data the 'struct SearchTab' of the tab to resume
*/
void
GNUNET_FS_GTK_search_result_play_button_clicked (GtkButton *button,
gpointer user_data)
{
struct SearchTab *tab = user_data;
if (NULL == tab->sc)
{
GNUNET_break (0);
return;
}
GNUNET_FS_search_continue (tab->sc);
gtk_widget_show (tab->pause_button);
gtk_widget_hide (tab->play_button);
}
/**
* Stops all of the downloads in the given subtree.
*
* @param tm tree model
* @param iter parent of the subtree to check
* @return #GNUNET_YES if there are no active downloads left in the subtree
*/
static int
stop_downloads_in_subtree (GtkTreeModel *tm, GtkTreeIter *iter)
{
GtkTreeIter child;
struct SearchResult *sr;
int ret;
ret = GNUNET_YES;
if (gtk_tree_model_iter_children (tm, &child, iter))
{
do
{
gtk_tree_model_get (tm, &child, SEARCH_TAB_MC_SEARCH_RESULT, &sr, -1);
if (NULL == sr)
continue;
if ((NULL != sr->download) && (GNUNET_YES == sr->download->is_done))
{
/* got a finished download, stop it */
GNUNET_FS_download_stop (sr->download->dc, GNUNET_YES);
}
if ((NULL != sr->download) || (NULL != sr->result))
ret = GNUNET_NO;
if (GNUNET_YES != stop_downloads_in_subtree (tm, &child))
ret = GNUNET_NO;
} while (gtk_tree_model_iter_next (tm, &child));
}
return ret;
}
/**
* User clicked on the 'clean' button of the downloads tab.
* Stop completed downloads (or those that failed). Should
* iterate over the underlying tree store and stop all
* completed entries.
*
* @param button the button pressed by the user
* @param user_data
*/
void
GNUNET_FS_GTK_downloads_clear_button_clicked (GtkButton *button,
gpointer user_data)
{
struct SearchResult *sr;
GtkTreeModel *tm;
GtkTreeIter iter;
tm = GTK_TREE_MODEL (downloads_treestore);
if (! gtk_tree_model_get_iter_first (tm, &iter))
return;
do
{
gtk_tree_model_get (tm, &iter, SEARCH_TAB_MC_SEARCH_RESULT, &sr, -1);
if (NULL == sr)
{
GNUNET_break (0);
continue;
}
if ((NULL != sr->download) && (GNUNET_YES == sr->download->is_done))
{
/* got a finished download, stop it */
GNUNET_FS_download_stop (sr->download->dc, GNUNET_YES);
if (! gtk_tree_model_get_iter_first (tm, &iter))
return;
}
if ((NULL == sr->download) && (NULL == sr->result) &&
(GNUNET_YES == stop_downloads_in_subtree (tm, &iter)))
{
/* no active download and no associated FS-API search result;
so this must be some left-over entry from an opened
directory; clean it up */
free_search_result (sr);
/* the above call clobbered our 'iter', restart from the beginning... */
if (! gtk_tree_model_get_iter_first (tm, &iter))
return;
}
} while (gtk_tree_model_iter_next (tm, &iter));
}
/**
* We received a search error message from the FS library.
* Present it to the user in an appropriate form.
*
* @param tab search tab affected by the error
* @param emsg the error message
*/
static void
handle_search_error (struct SearchTab *tab, const char *emsg)
{
gtk_label_set_text (tab->label, _ ("Error!"));
gtk_widget_set_tooltip_text (GTK_WIDGET (tab->label), emsg);
}
/**
* Obtain the mime type (or format description) will use to describe a search result from
* the respective meta data.
*
* @param meta meta data to inspect
* @return mime type to use, possibly NULL
*/
static char *
get_mimetype_from_metadata (const struct GNUNET_FS_MetaData *meta)
{
return GNUNET_FS_meta_data_get_first_by_types (meta,
EXTRACTOR_METATYPE_MIMETYPE,
#if HAVE_EXTRACTOR_H
EXTRACTOR_METATYPE_FORMAT,
#endif
-1);
}
/**
* Some additional information about a search result has been
* received. Update the view accordingly.
*
* @param sr search result that is being updated
* @param meta updated meta data
* @param availability_rank updated availability information
* @param availability_certainty updated availability certainty
* @param applicability_rank updated applicability information
* @param probe_time how long has the search been running
*/
static void
update_search_result (struct SearchResult *sr,
const struct GNUNET_FS_MetaData *meta,
uint32_t applicability_rank,
int32_t availability_rank,
uint32_t availability_certainty,
struct GNUNET_TIME_Relative probe_time)
{
GtkTreeIter iter;
GtkTreeView *tv;
GtkTreePath *tp;
GtkTreeStore *ts;
GtkTreeModel *tm;
char *desc;
char *mime;
GdkPixbuf *pixbuf;
guint percent_avail;
gint page;
int desc_is_a_dup;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
if (NULL == sr)
{
GNUNET_break (0);
return;
}
tp = gtk_tree_row_reference_get_path (sr->rr);
tm = gtk_tree_row_reference_get_model (sr->rr);
ts = GTK_TREE_STORE (tm);
if (! gtk_tree_model_get_iter (tm, &iter, tp))
{
GNUNET_break (0);
return;
}
desc = GNUNET_FS_GTK_get_description_from_metadata (meta, &desc_is_a_dup);
mime = get_mimetype_from_metadata (meta);
pixbuf = GNUNET_FS_GTK_get_thumbnail_from_meta_data (meta);
if (NULL != sr->meta)
{
GNUNET_FS_meta_data_destroy (sr->meta);
sr->meta = NULL;
}
sr->meta = GNUNET_FS_meta_data_duplicate (meta);
if (availability_certainty > 0)
percent_avail =
50 + (gint) (availability_rank * 50.0 / availability_certainty);
else
percent_avail = 50;
gtk_tree_store_set (ts,
&iter,
SEARCH_TAB_MC_METADATA,
sr->meta,
SEARCH_TAB_MC_PREVIEW,
pixbuf,
SEARCH_TAB_MC_PERCENT_AVAILABILITY,
(guint) percent_avail,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
(0 == availability_certainty)
? (gint) (probe_time.rel_value_us /
GNUNET_FS_PROBE_UPDATE_FREQUENCY.rel_value_us)
: -1,
SEARCH_TAB_MC_FILENAME,
desc,
SEARCH_TAB_MC_MIMETYPE,
mime,
SEARCH_TAB_MC_APPLICABILITY_RANK,
(guint) applicability_rank,
SEARCH_TAB_MC_AVAILABILITY_CERTAINTY,
(guint) availability_certainty,
SEARCH_TAB_MC_AVAILABILITY_RANK,
(gint) availability_rank,
-1);
if (NULL != sr->download)
{
get_download_list_entry (sr->download, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_METADATA,
sr->meta,
SEARCH_TAB_MC_PREVIEW,
pixbuf,
SEARCH_TAB_MC_PERCENT_AVAILABILITY,
(guint) percent_avail,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
(0 == availability_certainty)
? (gint) (
probe_time.rel_value_us /
GNUNET_FS_PROBE_UPDATE_FREQUENCY.rel_value_us)
: -1,
SEARCH_TAB_MC_FILENAME,
desc,
SEARCH_TAB_MC_MIMETYPE,
mime,
SEARCH_TAB_MC_APPLICABILITY_RANK,
(guint) applicability_rank,
SEARCH_TAB_MC_AVAILABILITY_CERTAINTY,
(guint) availability_certainty,
SEARCH_TAB_MC_AVAILABILITY_RANK,
(gint) availability_rank,
-1);
}
if (NULL != pixbuf)
g_object_unref (pixbuf);
GNUNET_free (desc);
GNUNET_free (mime);
page = gtk_notebook_get_current_page (mctx->notebook);
if (gtk_notebook_get_nth_page (mctx->notebook, page) == sr->tab->frame)
{
GtkTreeSelection *sel;
GtkTreeModel *model;
GtkTreeIter iter;
tv = GTK_TREE_VIEW (
gtk_builder_get_object (sr->tab->builder, "_search_result_frame"));
sel = gtk_tree_view_get_selection (tv);
if (gtk_tree_selection_get_selected (sel, &model, &iter))
{
GtkTreePath *selpath = gtk_tree_model_get_path (model, &iter);
if (gtk_tree_path_compare (selpath, tp) == 0)
GNUNET_FS_GTK_search_treeview_cursor_changed (tv, sr->tab);
gtk_tree_path_free (selpath);
}
}
gtk_tree_path_free (tp);
}
/**
* If called, sets the `gboolean` pointer in @a cls to TRUE.
*
* @param cls pointer to a `gboolean`
* @param sks_uri a URI
* @return 1 (abort iteration)
*/
static int
see_if_there_are_any_uris (void *cls, const struct GNUNET_FS_Uri *sks_uri)
{
gboolean *gb = cls;
*gb = TRUE;
return 1;
}
/**
* Add a search result to the given search tab. This function is called
* not only for 'normal' search results but also for directories that
* are being opened and if the user manually enters a URI.
*
* @param tab search tab to extend, NULL if we are only in the download tab
* @param anonymity anonymity level to use for probes for this result
* @param parent_rr reference to parent entry in search tab, NULL for normal
* search results,
* @param uri uri to add, can be NULL for top-level entry of a directory opened from disk
* (in this case, we don't know the URI and should probably not
* bother to calculate it)
* @param meta metadata of the entry
* @param result associated FS search result (can be NULL if this result
* was part of a directory)
* @param applicability_rank how relevant is the result
* @return struct representing the search result (also stored in the tree
* model)
*/
struct SearchResult *
GNUNET_GTK_add_search_result (struct SearchTab *tab,
uint32_t anonymity,
GtkTreeRowReference *parent_rr,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_MetaData *meta,
struct GNUNET_FS_SearchResult *result,
uint32_t applicability_rank)
{
struct SearchResult *sr;
GtkTreePath *tp;
const char *status_colour;
char *desc;
char *mime;
char *uris;
GdkPixbuf *pixbuf;
GtkTreeIter iter;
GtkTreeIter *pitr;
GtkTreeIter pmem;
GtkTreePath *path;
GtkTreeModel *tm;
GtkTreeStore *ts;
uint64_t fsize;
int desc_is_a_dup;
gboolean show_uri_association;
show_uri_association = FALSE;
if (NULL == uri)
{
/* opened directory file */
fsize = 0;
status_colour = "gray";
mime = GNUNET_strdup (GNUNET_FS_DIRECTORY_MIME);
uris = GNUNET_strdup (_ ("no URI"));
}
else
{
if ((GNUNET_FS_uri_test_loc (uri)) || (GNUNET_FS_uri_test_chk (uri)))
{
fsize = GNUNET_FS_uri_chk_get_file_size (uri);
mime = get_mimetype_from_metadata (meta);
status_colour = "white";
}
else
{
fsize = 0;
mime = GNUNET_strdup ("gnunet/namespace");
status_colour = "lightgreen";
}
uris = GNUNET_FS_uri_to_string (uri);
}
desc = GNUNET_FS_GTK_get_description_from_metadata (meta, &desc_is_a_dup);
pixbuf = GNUNET_FS_GTK_get_thumbnail_from_meta_data (meta);
find_embedded_uris (meta, &see_if_there_are_any_uris, &show_uri_association);
sr = GNUNET_new (struct SearchResult);
sr->result = result;
if ( (NULL == result) &&
(NULL != uri) )
{
sr->probe = GNUNET_FS_probe (GNUNET_FS_GTK_get_fs_handle (),
uri,
meta,
sr,
anonymity);
GNUNET_CONTAINER_DLL_insert (pl_head, pl_tail, sr);
}
sr->tab = tab;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Allocated a search result SR=%p\n", sr);
if (NULL != parent_rr)
{
/* get piter from parent */
path = gtk_tree_row_reference_get_path (parent_rr);
tm = gtk_tree_row_reference_get_model (parent_rr);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (tm), &pmem, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
/* desperate measure: make top-level entry */
pitr = NULL;
}
else
{
pitr = &pmem;
}
ts = GTK_TREE_STORE (tm);
}
else
{
/* top-level result */
pitr = NULL;
if (NULL != tab)
ts = tab->ts;
else
ts = downloads_treestore;
}
sr->uri = (uri == NULL) ? NULL : GNUNET_FS_uri_dup (uri);
sr->meta = GNUNET_FS_meta_data_duplicate (meta);
gtk_tree_store_insert_with_values (ts,
&iter,
pitr,
G_MAXINT,
SEARCH_TAB_MC_METADATA,
sr->meta,
SEARCH_TAB_MC_URI,
sr->uri,
SEARCH_TAB_MC_FILESIZE,
fsize,
SEARCH_TAB_MC_PREVIEW,
pixbuf,
SEARCH_TAB_MC_PERCENT_PROGRESS,
0,
SEARCH_TAB_MC_PERCENT_AVAILABILITY,
(0 == fsize) ? 100 : 50,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
(0 == fsize) ? -1 : 0,
SEARCH_TAB_MC_FILENAME,
desc,
SEARCH_TAB_MC_URI_AS_STRING,
uris,
SEARCH_TAB_MC_STATUS_COLOUR,
status_colour,
SEARCH_TAB_MC_SEARCH_RESULT,
sr,
SEARCH_TAB_MC_MIMETYPE,
mime,
SEARCH_TAB_MC_APPLICABILITY_RANK,
applicability_rank,
SEARCH_TAB_MC_AVAILABILITY_CERTAINTY,
0,
SEARCH_TAB_MC_AVAILABILITY_RANK,
0,
SEARCH_TAB_MC_COMPLETED,
(guint64) 0,
SEARCH_TAB_MC_DOWNLOADED_FILENAME,
NULL,
SEARCH_TAB_MC_DOWNLOADED_ANONYMITY,
(guint) -1,
SEARCH_TAB_MC_SHOW_NS_ASSOCIATION,
show_uri_association,
-1);
if (NULL != pixbuf)
g_object_unref (pixbuf);
GNUNET_free (uris);
GNUNET_free (desc);
GNUNET_free (mime);
/* remember in 'sr' where we added the result */
tp = gtk_tree_model_get_path (GTK_TREE_MODEL (ts), &iter);
sr->rr = gtk_tree_row_reference_new (GTK_TREE_MODEL (ts), tp);
gtk_tree_path_free (tp);
/* move up to the outermost tab, in case this is an 'inner'
search (namespace update case) */
if (NULL != tab)
{
while (NULL != tab->parent)
tab = tab->parent->tab;
tab->num_results++;
}
return sr;
}
/**
* Sets downloaded name on an item referenced by @a rr
* in a tree store @a ts to @a filename.
* Used by SaveAs dialog to communicate back new filename
* (unless SaveAs dialog initiates the download by itself).
* Arguments can be taken from DownloadEntry.
*
* @param ts treestore
* @param rr row reference
* @param filename new filename
*/
void
GNUNET_FS_GTK_set_item_downloaded_name (GtkTreeStore *ts,
GtkTreeRowReference *rr,
gchar *filename)
{
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
GtkTreeIter iter;
GtkTreePath *path;
path = gtk_tree_row_reference_get_path (rr);
if (path)
{
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (ts), &iter, path))
{
/* TODO: maybe create a new store slot for user-defined filenames?
* Also - maybe separate slots for downloaddir and relative filename?
*/
/* This code relies on download panel contents being re-populated every 0.2 seconds,
* thus it updates the treestore item property, from which suggested filename
* is derived.
*/
/*
char *download_directory;
char *suggested_filename;
int anonymity = -1;
gtk_tree_store_set (ts, &iter,
SEARCH_TAB_MC_DOWNLOADED_FILENAME, filename,
-1);
download_directory = NULL;
suggested_filename = get_suggested_filename_anonymity2 (GTK_TREE_MODEL (ts), &iter,
&download_directory, &anonymity);
gtk_entry_set_text (mctx->download_name_entry, suggested_filename != NULL ? suggested_filename : NULL);
gtk_file_chooser_set_current_folder (mctx->download_location_chooser, download_directory);
GNUNET_free (suggested_filename);
GNUNET_free (download_directory);
*/
/* This code relies on download panel contents NOT being re-populated every 0.2 seconds,
* thus it only updates download panel contents - these changes will be lost after
* selecting a different item and then coming back to this one.
*/
gchar *current = g_strdup (filename);
gchar *dirname = NULL;
/* We take the filename user gave us, then check its parent directories until
* we find one that actually exists (SaveAs dialog might have some options about
* only picking existing names, but better be safe.
* gtk_file_chooser_set_current_folder() does NOT work with non-existing dirnames!
*/
do
{
dirname = g_path_get_dirname (current);
g_free (current);
if (g_file_test (dirname, G_FILE_TEST_EXISTS))
{
gchar *relname = &filename[strlen (dirname)];
while (relname[0] == '/' || relname[0] == '\\')
relname++;
gtk_entry_set_text (mctx->download_name_entry, relname);
gtk_file_chooser_set_current_folder (mctx->download_location_chooser,
dirname);
break;
}
current = dirname;
} while (dirname[0] !=
'.'); /* FIXME: Check that this condition is correct */
g_free (dirname);
}
gtk_tree_path_free (path);
}
}
/**
* We have received a search result from the FS API. Add it to the
* respective search tab. The search result can be an 'inner'
* search result (updated result for a namespace search) or a
* top-level search result. Update the tree view and the label
* of the search tab accordingly.
*
* @param tab the search tab where the new result should be added
* @param anonymity anonymity level to use for probes for this result
* @param parent parent search result (if this is a namespace update result), or NULL
* @param uri URI of the search result
* @param meta meta data for the result
* @param result FS API handle to the result
* @param applicability_rank how applicable is the result to the query
* @return struct representing the search result (also stored in the tree
* model at 'iter')
*/
static struct SearchResult *
process_search_result (struct SearchTab *tab,
uint32_t anonymity,
struct SearchResult *parent,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_MetaData *meta,
struct GNUNET_FS_SearchResult *result,
uint32_t applicability_rank)
{
struct SearchResult *sr;
sr = GNUNET_GTK_add_search_result (tab,
anonymity,
(parent != NULL) ? parent->rr : NULL,
uri,
meta,
result,
applicability_rank);
update_search_label (tab);
GNUNET_break (NULL != sr);
return sr;
}
/**
* Setup a new search tab.
*
* @param sc context with FS for the search, NULL for none (open-URI/orphan tab)
* @param query the query, NULL for none (open-URI/orphan tab)
* @return search tab handle
*/
static struct SearchTab *
setup_search_tab (struct GNUNET_FS_SearchContext *sc,
const struct GNUNET_FS_Uri *query)
{
struct SearchTab *tab;
GtkWindow *sf;
GtkTreeViewColumn *anim_col;
GtkTreeView *tv;
gint pages;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
if (NULL == animation_downloading)
{
animation_downloading = load_animation ("downloading");
animation_downloaded = load_animation ("downloaded");
animation_download_stalled = load_animation ("downloading_not_receiving");
animation_searching_sources = load_animation ("searching_sources");
animation_found_sources = load_animation ("found_source");
}
tab = GNUNET_new (struct SearchTab);
GNUNET_CONTAINER_DLL_insert (search_tab_head, search_tab_tail, tab);
tab->sc = sc;
if (query == NULL)
{
/* no real query, tab is for non-queries, use special label */
tab->query_txt = GNUNET_strdup ("*");
}
else
{
/* FS_uri functions should produce UTF-8, so let them be */
if (GNUNET_FS_uri_test_ksk (query))
tab->query_txt = GNUNET_FS_uri_ksk_to_string_fancy (query);
else
tab->query_txt = GNUNET_FS_uri_to_string (query);
}
tab->builder =
GNUNET_GTK_get_new_builder ("gnunet_fs_gtk_search_tab.glade", tab);
tab->ts = GTK_TREE_STORE (
gtk_builder_get_object (tab->builder,
"GNUNET_GTK_file_sharing_result_tree_store"));
tv = GTK_TREE_VIEW (
gtk_builder_get_object (tab->builder, "_search_result_frame"));
anim_col = GTK_TREE_VIEW_COLUMN (
gtk_builder_get_object (tab->builder,
"search_result_status_pixbuf_column"));
tab->atv = GNUNET_GTK_animation_tree_view_register (tv, anim_col);
/* load frame */
sf = GTK_WINDOW (
gtk_builder_get_object (tab->builder, "_search_result_frame_window"));
tab->frame = gtk_bin_get_child (GTK_BIN (sf));
g_object_ref (tab->frame);
gtk_container_remove (GTK_CONTAINER (sf), tab->frame);
gtk_widget_destroy (GTK_WIDGET (sf));
/* load tab_label */
sf = GTK_WINDOW (
gtk_builder_get_object (tab->builder, "_search_result_label_window"));
tab->tab_label = gtk_bin_get_child (GTK_BIN (sf));
g_object_ref (tab->tab_label);
gtk_container_remove (GTK_CONTAINER (sf), tab->tab_label);
gtk_widget_destroy (GTK_WIDGET (sf));
/* get refs to widgets */
tab->label = GTK_LABEL (
gtk_builder_get_object (tab->builder, "_search_result_label_window_label"));
tab->close_button = GTK_WIDGET (
gtk_builder_get_object (tab->builder, "_search_result_label_close_button"));
tab->play_button = GTK_WIDGET (
gtk_builder_get_object (tab->builder, "_search_result_label_play_button"));
tab->pause_button = GTK_WIDGET (
gtk_builder_get_object (tab->builder, "_search_result_label_pause_button"));
/* patch text */
update_search_label (tab);
/* make visible */
pages = gtk_notebook_get_n_pages (mctx->notebook);
gtk_notebook_insert_page (mctx->notebook,
tab->frame,
tab->tab_label,
pages - 1);
gtk_notebook_set_current_page (mctx->notebook, pages - 1);
gtk_widget_show (GTK_WIDGET (mctx->notebook));
return tab;
}
/**
* Setup an "inner" search, that is a subtree representing namespace
* 'update' results. We use a 'struct SearchTab' to represent this
* sub-search. In the GUI, the presentation is similar to search
* results in a directory, except that this is for a namespace search
* result that gave pointers to an alternative keyword to use and this
* is the set of the results found for this alternative keyword.
*
* All of the 'widget' elements of the returned 'search tab' reference
* the parent search. The whole construction is essentially a trick
* to allow us to store the FS-API's 'SearchContext' somewhere and to
* find it when we get this kind of 'inner' search results (so that we
* can then place them in the tree view in the right spot).
*
* FIXME-BUG-MAYBE: don't we need a bit more information then? Like exactly where
* this 'right spot' is? Not sure how just having 'sc' helps there,
* as it is not a search result (!) to hang this up on! This might
* essentially boil down to an issue with the FS API, not sure...
*
* @param sc context with FS for the search
* @param parent parent search tab
* @return struct representing the search result (also stored in the tree
* model at 'iter')
*/
static struct SearchTab *
setup_inner_search (struct GNUNET_FS_SearchContext *sc,
struct SearchResult *parent)
{
struct SearchTab *ret;
ret = GNUNET_new (struct SearchTab);
ret->parent = parent;
ret->sc = sc;
ret->query_txt = parent->tab->query_txt;
ret->builder = parent->tab->builder;
ret->frame = parent->tab->frame;
ret->tab_label = parent->tab->tab_label;
ret->close_button = parent->tab->close_button;
ret->play_button = parent->tab->play_button;
ret->label = parent->tab->label;
return ret;
}
/**
* Setup a new top-level entry in the URI/orphan tab. If necessary, create
* the URI tab first.
*
* @param anonymity anonymity level to use for probes
* @param meta metadata for the new entry
* @param uri URI for the new entry
* @return the search result that was set up
*/
struct SearchResult *
GNUNET_GTK_add_to_uri_tab (uint32_t anonymity,
const struct GNUNET_FS_MetaData *meta,
const struct GNUNET_FS_Uri *uri)
{
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
gint page;
if (NULL == uri_tab)
{
uri_tab = setup_search_tab (NULL, NULL);
gtk_widget_set_visible (uri_tab->close_button, FALSE);
gtk_widget_set_visible (uri_tab->pause_button, FALSE);
}
/* make 'uri_tab' the current page */
for (page = 0; page < gtk_notebook_get_n_pages (mctx->notebook); page++)
if (uri_tab->frame == gtk_notebook_get_nth_page (mctx->notebook, page))
{
gtk_notebook_set_current_page (mctx->notebook, page);
break;
}
return GNUNET_GTK_add_search_result (uri_tab,
anonymity,
NULL,
uri,
meta,
NULL,
0);
}
/* ***************** Download event handling ****************** */
/**
* Change the (background) color of the given download entry.
*
* @param de entry to change
* @param color name of the color to use
*/
static void
change_download_color (struct DownloadEntry *de, const char *color)
{
GtkTreeIter iter;
GtkTreePath *path;
struct DownloadEntry *deep;
struct SearchTab *tab;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Changing download DE=%p color to %s\n",
de,
color);
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
tab = NULL;
if ((NULL != deep->sr) && (NULL != (tab = deep->sr->tab)))
{
path = gtk_tree_row_reference_get_path (de->sr->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (tab->ts), &iter, path));
gtk_tree_path_free (path);
gtk_tree_store_set (tab->ts, &iter, SEARCH_TAB_MC_STATUS_COLOUR, color, -1);
}
/* do the same update to the downloads tree store */
get_download_list_entry (de, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_STATUS_COLOUR,
color,
-1);
}
/**
* Change the status icon for the download.
*
* @param de download that had an error
* @param icon status icon to display
*/
static void
change_download_status_icon (struct DownloadEntry *de, GdkPixbuf *icon)
{
GtkTreeIter iter;
GtkTreePath *path;
struct DownloadEntry *deep;
struct SearchTab *tab;
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
tab = NULL;
if ((NULL != deep->sr) && (NULL != (tab = deep->sr->tab)))
{
path = gtk_tree_row_reference_get_path (de->sr->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (tab->ts), &iter, path));
gtk_tree_path_free (path);
gtk_tree_store_set (tab->ts, &iter, SEARCH_TAB_MC_STATUS_ICON, icon, -1);
}
/* do the same update to the downloads tree store */
get_download_list_entry (de, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_STATUS_ICON,
icon,
-1);
}
/**
* A download operation was stopped. Remove all state associated with
* it and reset the search result's background color to 'white'.
*
* @param de the download that was stopped
*/
static void
stop_download (struct DownloadEntry *de)
{
change_download_color (de, "white");
change_download_status_icon (de, NULL);
de->dc = NULL;
GNUNET_FS_GTK_free_download_entry (de);
}
/**
* Closure for 'add_directory_entry'.
*/
struct AddDirectoryEntryContext
{
/**
* Search tab where we need to expand the result list.
*/
struct SearchTab *tab;
/**
* Row reference of parent (the directory).
*/
GtkTreeRowReference *prr;
/**
* Anonymity level to use for probes in this directory.
*/
uint32_t anonymity;
/**
* Do we need to check if the given entry already exists to
* avoid adding it twice? Set to #GNUNET_YES if #add_directory_entry
* is called upon directory completion (so we might see all
* entries again) and to NO if this is the initial download
* and we're calling during a 'PROGRESS' event.
*/
int check_duplicates;
};
/**
* Function used to process entries in a directory. Whenever we
* download a directory, this function is called on the entries in the
* directory to add them to the search tab. Note that the function
* maybe called twice for the same entry, once during incremental
* processing and later once more when we have the complete directory.
*
* For the second round, the 'check_duplicates' flag will be set in
* the closure. If called on an entry that already exists, the
* function should simply do nothing.
*
* @param cls closure, our 'struct AddDirectoryEntryContext*'
* @param filename name of the file in the directory
* @param uri URI of the file, NULL for the directory itself
* @param meta metadata for the file; metadata for
* the directory if everything else is NULL/zero
* @param length length of the available data for the file
* (of type size_t since data must certainly fit
* into memory; if files are larger than size_t
* permits, then they will certainly not be
* embedded with the directory itself).
* @param data data available for the file (@a length bytes)
*/
static void
add_directory_entry (void *cls,
const char *filename,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_MetaData *meta,
size_t length,
const void *data)
{
struct AddDirectoryEntryContext *ade = cls;
GtkTreeIter iter;
GtkTreeIter piter;
GtkTreePath *path;
GtkTreeModel *tm;
struct GNUNET_FS_Uri *xuri;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Adding directory entry `%s'\n",
filename);
if (NULL == uri)
{
/* directory meta data itself */
/* FIXME-FEATURE-MAYBE: consider merging it with the meta data from
the original search result... */
return;
}
if (GNUNET_YES == ade->check_duplicates)
{
tm = gtk_tree_row_reference_get_model (ade->prr);
path = gtk_tree_row_reference_get_path (ade->prr);
if (! gtk_tree_model_get_iter (tm, &piter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_path_free (path);
if (gtk_tree_model_iter_children (tm, &iter, &piter))
{
do
{
gtk_tree_model_get (tm, &iter, SEARCH_TAB_MC_URI, &xuri, -1);
if (GNUNET_YES == GNUNET_FS_uri_test_equal (xuri, uri))
return; /* already present */
} while (gtk_tree_model_iter_next (tm, &iter));
}
}
GNUNET_GTK_add_search_result (ade->tab,
ade->anonymity,
ade->prr,
uri,
meta,
NULL,
0);
}
/**
* We got an event that some download is progressing. Update the tree
* model accordingly. If the download is a directory, try to display
* the contents.
*
* @param de download entry that is progressing
* @param filename name of the downloaded file on disk (possibly a temporary file)
* @param size overall size of the download
* @param completed number of bytes we have completed
* @param block_data current block we've downloaded
* @param offset offset of block_data in the overall file
* @param block_size number of bytes in @a block_data
* @param depth depth of the block in the ECRS tree
*/
static void
mark_download_progress (struct DownloadEntry *de,
const char *filename,
uint64_t size,
uint64_t completed,
const void *block_data,
uint64_t offset,
uint64_t block_size,
unsigned int depth)
{
GtkTreeIter iter;
GtkTreeIter diter;
GtkTreePath *path;
struct DownloadEntry *deep;
struct SearchTab *tab;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Marking download progress for DE=%p, %llu/%llu, %llu@%llu depth=%u\n",
de,
(unsigned long long) completed,
(unsigned long long) size,
(unsigned long long) block_size,
(unsigned long long) offset,
depth);
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
tab = NULL;
if ((NULL != deep->sr) && (NULL != (tab = deep->sr->tab)))
{
path = gtk_tree_row_reference_get_path (de->sr->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (tab->ts), &iter, path));
gtk_tree_path_free (path);
/* FIXME-DESIGN: should we replace the 'availability' with
'progress' once the download has started and re-use the
space in the display? Probably yes, at least once we have
a custom CellRenderer... */
gtk_tree_store_set (tab->ts,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) ((size > 0) ? (100 * completed / size) : 100),
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
(completed ? -1 : 0),
SEARCH_TAB_MC_COMPLETED,
completed,
-1);
}
get_download_list_entry (de, &diter);
gtk_tree_store_set (downloads_treestore,
&diter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) ((size > 0) ? (100 * completed / size) : 100),
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
(completed ? -1 : 0),
SEARCH_TAB_MC_COMPLETED,
completed,
-1);
if (completed < size)
{
/* partial completion, consider looking at the block */
if ((depth == 0) && (block_size > 0) && (GNUNET_YES == de->is_directory))
{
/* got a data block of a directory, list its contents */
struct AddDirectoryEntryContext ade;
ade.tab = tab;
ade.prr = de->sr->rr;
ade.check_duplicates = GNUNET_NO;
ade.anonymity = de->anonymity;
if (GNUNET_SYSERR ==
GNUNET_FS_directory_list_contents ((size_t) block_size,
block_data,
offset,
&add_directory_entry,
&ade))
{
/* Mime type was wrong, this is not a directory, update model! */
de->is_directory = GNUNET_SYSERR;
if (NULL != tab)
gtk_tree_store_set (tab->ts, &iter, SEARCH_TAB_MC_MIMETYPE, "", -1);
gtk_tree_store_set (downloads_treestore,
&diter,
SEARCH_TAB_MC_MIMETYPE,
"",
-1);
}
}
}
else
{
/* full completion, look at the entire file */
if ((GNUNET_YES == de->is_directory) && (filename != NULL))
{
struct AddDirectoryEntryContext ade;
/* download was for a directory (and we have a temp file for scanning);
add contents of the directory to the view */
ade.tab = tab;
ade.prr = de->sr->rr;
ade.check_duplicates = GNUNET_YES;
if (GNUNET_OK !=
GNUNET_FS_GTK_mmap_and_scan (filename, &add_directory_entry, &ade))
de->is_directory = GNUNET_NO;
}
}
}
/**
* FS-API encountered an error downloading a file. Update the
* view accordingly.
*
* @param de download that had an error
* @param emsg error message to display
*/
static void
mark_download_error (struct DownloadEntry *de, const char *emsg)
{
GtkTreeIter iter;
GtkTreePath *path;
struct DownloadEntry *deep;
struct SearchTab *tab;
change_download_color (de, "red");
de->is_done = GNUNET_YES;
if (NULL == animation_error)
animation_error = load_animation ("error");
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
tab = NULL;
if ((NULL != deep->sr) && (NULL != (tab = deep->sr->tab)))
{
path = gtk_tree_row_reference_get_path (de->sr->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (tab->ts), &iter, path));
gtk_tree_path_free (path);
gtk_tree_store_set (tab->ts,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) 0,
SEARCH_TAB_MC_URI_AS_STRING,
emsg,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_error),
-1);
}
get_download_list_entry (de, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) 0,
SEARCH_TAB_MC_URI_AS_STRING,
emsg,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (animation_error),
-1);
}
/**
* FS-API notified us that we're done with a download. Update the
* view accordingly.
*
* @param de download that has finished
* @param size overall size of the file
*/
static void
mark_download_completed (struct DownloadEntry *de, uint64_t size)
{
GtkTreeIter iter;
GtkTreePath *path;
struct DownloadEntry *deep;
struct SearchTab *tab;
de->is_done = GNUNET_YES;
change_download_color (de, "green");
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
tab = NULL;
if ((NULL != deep->sr) && (NULL != (tab = deep->sr->tab)))
{
path = gtk_tree_row_reference_get_path (de->sr->rr);
GNUNET_assert (
gtk_tree_model_get_iter (GTK_TREE_MODEL (tab->ts), &iter, path));
gtk_tree_path_free (path);
gtk_tree_store_set (tab->ts,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) 100,
SEARCH_TAB_MC_PERCENT_AVAILABILITY,
(guint) 100,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
-1,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_downloaded),
-1);
}
get_download_list_entry (de, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) 100,
SEARCH_TAB_MC_PERCENT_AVAILABILITY,
(guint) 100,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
-1,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_downloaded),
-1);
}
/**
* Setup a new download entry.
*
* @param de existing download entry for the download, or NULL (in which case we create a fresh one)
* @param pde parent download entry, or NULL
* @param sr search result, or NULL
* @param anonymity anonymity level for the download
* @param dc download context (for stopping)
* @param uri the URI, must not be NULL
* @param filename filename on disk
* @param meta metadata
* @param size total size
* @param completed current progress
* @return download entry struct for the download (equal to @a de if @a de was not NULL)
*/
static struct DownloadEntry *
setup_download (struct DownloadEntry *de,
struct DownloadEntry *pde,
struct SearchResult *sr,
uint32_t anonymity,
struct GNUNET_FS_DownloadContext *dc,
const struct GNUNET_FS_Uri *uri,
const char *filename,
const struct GNUNET_FS_MetaData *meta,
uint64_t size,
uint64_t completed)
{
GtkTreeIter iter;
GtkTreePath *path;
GtkTreeModel *tm;
struct DownloadEntry *deep;
GNUNET_log (
GNUNET_ERROR_TYPE_DEBUG,
"Setting up download, initially DE=%p, PDE=%p for %p & %p into %llu/%llu `%s'\n",
de,
pde,
sr,
dc,
(unsigned long long) completed,
(unsigned long long) size,
filename);
GNUNET_assert (NULL != uri);
if (NULL == de)
{
/* no existing download entry to build on, create a fresh one */
de = GNUNET_new (struct DownloadEntry);
de->uri = GNUNET_FS_uri_dup (uri);
}
else
{
GNUNET_assert (GNUNET_YES == GNUNET_FS_uri_test_equal (de->uri, uri));
}
de->dc = dc;
de->pde = pde;
if (NULL != sr)
{
/* have a search result, establish mapping de <--> sr */
if (NULL == de->sr)
{
GNUNET_assert (sr->download == NULL);
de->sr = sr;
sr->download = de;
}
else
{
GNUNET_assert (sr == de->sr);
}
}
deep = de;
while (NULL != deep->pde)
deep = deep->pde;
if ((NULL == de->sr) && (NULL != pde) && (NULL != deep->sr->tab))
{
/* child download, find appropriate search result from parent! */
GtkTreePath *path;
GtkTreeModel *tm;
GtkTreeIter iter;
GtkTreeIter child;
struct GNUNET_FS_Uri *uri;
tm = GTK_TREE_MODEL (deep->sr->tab->ts);
path = gtk_tree_row_reference_get_path (pde->sr->rr);
if ((! gtk_tree_model_get_iter (tm, &iter, path)) ||
(! gtk_tree_model_iter_children (tm, &child, &iter)))
{
GNUNET_break (0);
}
else
{
do
{
gtk_tree_model_get (tm,
&child,
SEARCH_TAB_MC_URI,
&uri,
SEARCH_TAB_MC_SEARCH_RESULT,
&de->sr,
-1);
if (GNUNET_YES == GNUNET_FS_uri_test_equal (de->uri, uri))
break;
de->sr = NULL;
} while (gtk_tree_model_iter_next (tm, &child));
if (NULL == de->sr)
{
/* child not found, what's going on!? */
GNUNET_break (0);
}
else
{
de->sr->download = de;
}
}
gtk_tree_path_free (path);
}
if (NULL == de->sr)
{
/* Stand-alone download with no 'row'/search result affiliated
with the download so far; create a fresh entry for this
download */
de->sr =
GNUNET_GTK_add_search_result (NULL, anonymity, NULL, uri, meta, NULL, 0);
GNUNET_FS_probe_stop (de->sr->probe);
de->sr->probe = NULL;
GNUNET_CONTAINER_DLL_remove (pl_head, pl_tail, de->sr);
de->sr->download = de;
path = gtk_tree_row_reference_get_path (de->sr->rr);
tm = gtk_tree_row_reference_get_model (de->sr->rr);
if (! gtk_tree_model_get_iter (tm, &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return de;
}
}
else
{
struct GNUNET_FS_MetaData *meta;
/* get metadata from existing tab, might have a mime type */
path = gtk_tree_row_reference_get_path (de->sr->rr);
tm = gtk_tree_row_reference_get_model (de->sr->rr);
if (! gtk_tree_model_get_iter (tm, &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return de;
}
gtk_tree_model_get (tm, &iter, SEARCH_TAB_MC_METADATA, &meta, -1);
de->is_directory = GNUNET_FS_meta_data_test_for_directory (meta);
}
if (NULL == de->rr)
setup_download_list_entry (de, pde, de->sr);
gtk_tree_path_free (path);
gtk_tree_store_set (GTK_TREE_STORE (tm),
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) ((size > 0) ? (100 * completed / size) : 100),
SEARCH_TAB_MC_FILENAME,
filename,
SEARCH_TAB_MC_STATUS_COLOUR,
"blue",
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
-1,
SEARCH_TAB_MC_SEARCH_RESULT,
de->sr,
SEARCH_TAB_MC_COMPLETED,
(guint64) completed,
SEARCH_TAB_MC_DOWNLOADED_FILENAME,
de->filename,
SEARCH_TAB_MC_DOWNLOADED_ANONYMITY,
de->anonymity,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_download_stalled),
-1);
/* also update downloads tab */
get_download_list_entry (de, &iter);
gtk_tree_store_set (downloads_treestore,
&iter,
SEARCH_TAB_MC_PERCENT_PROGRESS,
(guint) ((size > 0) ? (100 * completed / size) : 100),
SEARCH_TAB_MC_FILENAME,
filename,
SEARCH_TAB_MC_STATUS_COLOUR,
"blue",
SEARCH_TAB_MC_SEARCH_RESULT,
de->sr,
SEARCH_TAB_MC_UNKNOWN_AVAILABILITY,
-1,
SEARCH_TAB_MC_COMPLETED,
(guint64) completed,
SEARCH_TAB_MC_DOWNLOADED_FILENAME,
de->filename,
SEARCH_TAB_MC_DOWNLOADED_ANONYMITY,
de->anonymity,
SEARCH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_download_stalled),
-1);
return de;
}
/* ***************** Publish event handling ****************** */
/**
* Change the (background) color of the given publish entry.
*
* @param pe entry to change
* @param color name of the color to use
*/
static void
change_publish_color (struct PublishEntry *pe, const char *color)
{
GtkTreeIter iter;
GtkTreePath *path;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Changing publish PE=%p color to %s\n",
pe,
color);
path = gtk_tree_row_reference_get_path (pe->rr);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (pe->tab->ts), &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_path_free (path);
gtk_tree_store_set (pe->tab->ts, &iter, PUBLISH_TAB_MC_BGCOLOUR, color, -1);
}
/**
* We got an event that some publishing operation is progressing.
* Update the tree model accordingly.
*
* @param pe publish entry that is progressing
* @param size overall size of the file or directory
* @param completed number of bytes we have completed
*/
static void
mark_publish_progress (struct PublishEntry *pe,
uint64_t size,
uint64_t completed)
{
GtkTreeIter iter;
GtkTreePath *path;
path = gtk_tree_row_reference_get_path (pe->rr);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (pe->tab->ts), &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_path_free (path);
gtk_tree_store_set (pe->tab->ts,
&iter,
PUBLISH_TAB_MC_PROGRESS,
(guint) ((size > 0) ? (100 * completed / size) : 100),
-1);
}
/**
* FS-API notified us that we're done with some publish operation.
* Update the view accordingly.
*
* @param pe publish operation that has finished
* @param uri resulting URI
*/
static void
handle_publish_completed (struct PublishEntry *pe,
const struct GNUNET_FS_Uri *uri)
{
GtkTreeIter iter;
GtkTreePath *path;
char *uris;
path = gtk_tree_row_reference_get_path (pe->rr);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (pe->tab->ts), &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_path_free (path);
pe->uri = GNUNET_FS_uri_dup (uri);
uris = GNUNET_FS_uri_to_string (uri);
gtk_tree_store_set (pe->tab->ts,
&iter,
PUBLISH_TAB_MC_RESULT_STRING,
uris,
PUBLISH_TAB_MC_PROGRESS,
100,
PUBLISH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_published),
-1);
GNUNET_free (uris);
change_publish_color (pe, "green");
}
/**
* We received a publish error message from the FS library.
* Present it to the user in an appropriate form.
*
* @param pe publishing operation affected by the error
* @param emsg the error message
*/
static void
handle_publish_error (struct PublishEntry *pe, const char *emsg)
{
GtkTreeIter iter;
GtkTreePath *path;
path = gtk_tree_row_reference_get_path (pe->rr);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (pe->tab->ts), &iter, path))
{
GNUNET_break (0);
gtk_tree_path_free (path);
return;
}
gtk_tree_path_free (path);
if (NULL == animation_error)
animation_error = load_animation ("error");
gtk_tree_store_set (pe->tab->ts,
&iter,
PUBLISH_TAB_MC_RESULT_STRING,
emsg,
PUBLISH_TAB_MC_PROGRESS,
100,
PUBLISH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (animation_error),
-1);
change_publish_color (pe, "red");
}
/**
* Remove publish tab from notebook
*/
static void
delete_publish_tab ()
{
struct PublishTab *pt;
int index;
int i;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
if (NULL == publish_tab)
return;
pt = publish_tab;
publish_tab = NULL;
index = -1;
for (i = gtk_notebook_get_n_pages (mctx->notebook) - 1; i >= 0; i--)
if (pt->frame == gtk_notebook_get_nth_page (mctx->notebook, i))
index = i;
gtk_notebook_remove_page (mctx->notebook, index);
/* fully destroy tab */
g_object_unref (pt->builder);
if (NULL != pt->atv)
GNUNET_GTK_animation_tree_view_unregister (pt->atv);
GNUNET_free (pt);
publish_tab = NULL;
GNUNET_GTK_animation_context_destroy (animation_publishing);
animation_publishing = NULL;
GNUNET_GTK_animation_context_destroy (animation_published);
animation_published = NULL;
}
/**
* A publishing operation was stopped (in FS API). Free an entry in
* the publish tab and its associated state.
*
* @param pe publishing operation that was stopped
*/
static void
handle_publish_stop (struct PublishEntry *pe)
{
GtkTreeIter iter;
GtkTreePath *path;
path = gtk_tree_row_reference_get_path (pe->rr);
/* This is a child of a directory, and we've had that directory
free'd already */
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (pe->tab->ts), &iter, path))
{
GNUNET_break (0);
return;
}
(void) gtk_tree_store_remove (pe->tab->ts, &iter);
gtk_tree_path_free (path);
gtk_tree_row_reference_free (pe->rr);
if (NULL != pe->uri)
{
GNUNET_FS_uri_destroy (pe->uri);
pe->uri = NULL;
}
if (! gtk_tree_model_iter_children (GTK_TREE_MODEL (pe->tab->ts),
&iter,
NULL))
delete_publish_tab ();
GNUNET_free (pe);
}
/**
* The user clicked on the "close" button of the publishing tab.
* Tell FS to stop all active publish operations. Then close the tab.
*
* @param button the stop button
* @param user_data the 'struct PublishTab' that is being closed
*/
void
GNUNET_FS_GTK_publish_label_close_button_clicked (GtkButton *button,
gpointer user_data)
{
struct PublishTab *tab = user_data;
struct PublishEntry *pe;
GtkTreeIter iter;
GtkTreeModel *tm;
GNUNET_assert (tab == publish_tab);
/* stop all active operations */
tm = GTK_TREE_MODEL (publish_tab->ts);
while (gtk_tree_model_iter_children (tm, &iter, NULL))
{
gtk_tree_model_get (tm, &iter, PUBLISH_TAB_MC_ENT, &pe, -1);
GNUNET_FS_publish_stop (pe->pc);
}
clear_metadata_display ();
delete_publish_tab ();
}
/**
* The user started a publishing operation. Add it to the publishing
* tab. If needed, create the publishing tab.
*
* @param pc the FS-API's publishing context for the operation
* @param fn the name of the file (or directory) that is being published
* @param fsize size of the file
* @param parent parent of this publishing operation (for recursive operations), NULL for top-level operations
* @return the publishing entry that will represent this operation
*/
static struct PublishEntry *
setup_publish (struct GNUNET_FS_PublishContext *pc,
const char *fn,
uint64_t fsize,
struct PublishEntry *parent)
{
struct PublishEntry *ent;
GtkTreeIter *pitrptr;
GtkTreeIter iter;
GtkTreeIter piter;
GtkTreePath *path;
GtkWindow *df;
GtkWidget *tab_label;
char *size_fancy;
GtkTreeView *tv;
GtkTreeViewColumn *anim_col;
struct GNUNET_GTK_MainWindowContext *mctx = GNUNET_FS_GTK_get_main_context ();
if (NULL == publish_tab)
{
/* create new tab */
publish_tab = GNUNET_new (struct PublishTab);
publish_tab->builder =
GNUNET_GTK_get_new_builder ("gnunet_fs_gtk_publish_tab.glade",
publish_tab);
df = GTK_WINDOW (
gtk_builder_get_object (publish_tab->builder, "_publish_frame_window"));
publish_tab->frame = gtk_bin_get_child (GTK_BIN (df));
g_object_ref (publish_tab->frame);
gtk_container_remove (GTK_CONTAINER (df), publish_tab->frame);
gtk_widget_destroy (GTK_WIDGET (df));
/* load tab_label */
df = GTK_WINDOW (
gtk_builder_get_object (publish_tab->builder, "_publish_label_window"));
tab_label = gtk_bin_get_child (GTK_BIN (df));
g_object_ref (tab_label);
gtk_container_remove (GTK_CONTAINER (df), tab_label);
gtk_widget_destroy (GTK_WIDGET (df));
tv = GTK_TREE_VIEW (
gtk_builder_get_object (publish_tab->builder, "_publish_tree_view"));
anim_col = GTK_TREE_VIEW_COLUMN (
gtk_builder_get_object (publish_tab->builder, "_publish_animated_icon"));
if ((NULL != tv) && (NULL != anim_col))
publish_tab->atv = GNUNET_GTK_animation_tree_view_register (tv, anim_col);
/* make visible */
gtk_notebook_insert_page (mctx->notebook, publish_tab->frame, tab_label, 0);
gtk_widget_show (GTK_WIDGET (mctx->notebook));
gtk_notebook_set_current_page (mctx->notebook, 0);
publish_tab->ts =
GTK_TREE_STORE (gtk_builder_get_object (publish_tab->builder,
"_publish_frame_tree_store"));
}
/* decide where to insert in the tab */
if (NULL == parent)
{
pitrptr = NULL;
}
else
{
/* create new iter from parent */
path = gtk_tree_row_reference_get_path (parent->rr);
if (TRUE != gtk_tree_model_get_iter (GTK_TREE_MODEL (publish_tab->ts),
&piter,
path))
{
GNUNET_break (0);
return NULL;
}
pitrptr = &piter;
}
if (NULL == animation_publishing)
{
animation_publishing = load_animation ("publishing");
animation_published = load_animation ("published");
}
/* create entry and perform insertion */
ent = GNUNET_new (struct PublishEntry);
ent->is_top = (parent == NULL) ? GNUNET_YES : GNUNET_NO;
ent->tab = publish_tab;
ent->pc = pc;
size_fancy = GNUNET_STRINGS_byte_size_fancy (fsize);
gtk_tree_store_insert_with_values (publish_tab->ts,
&iter,
pitrptr,
G_MAXINT,
PUBLISH_TAB_MC_FILENAME,
fn,
PUBLISH_TAB_MC_FILESIZE,
size_fancy,
PUBLISH_TAB_MC_BGCOLOUR,
"white",
PUBLISH_TAB_MC_PROGRESS,
(guint) 0,
PUBLISH_TAB_MC_ENT,
ent,
PUBLISH_TAB_MC_STATUS_ICON,
GNUNET_GTK_animation_context_get_pixbuf (
animation_publishing),
-1);
GNUNET_free (size_fancy);
path = gtk_tree_model_get_path (GTK_TREE_MODEL (publish_tab->ts), &iter);
ent->rr = gtk_tree_row_reference_new (GTK_TREE_MODEL (publish_tab->ts), path);
gtk_tree_path_free (path);
return ent;
}
/**
* Context for the publish list popup menu.
*/
struct PublishListPopupContext
{
/**
* Tab where the publish list popup was created.
*/
struct PublishTab *tab;
/**
* Row where the publish list popup was created.
*/
GtkTreeRowReference *rr;
/**
* Publishing entry at the respective row.
*/
struct PublishEntry *pe;
};
/**
* An item was selected from the context menu; destroy the menu shell.
*
* @param menushell menu to destroy
* @param user_data the 'struct PublishListPopupContext' of the menu
*/
static void
publish_list_popup_selection_done (GtkMenuShell *menushell, gpointer user_data)
{
struct PublishListPopupContext *ppc = user_data;
gtk_widget_destroy (GTK_WIDGET (menushell));
gtk_tree_row_reference_free (ppc->rr);
GNUNET_free (ppc);
}
/**
* Publish "abort" was selected in the current publish context menu.
*
* @param item the 'abort' menu item
* @param user_data the 'struct PublishListPopupContext' with the operation to abort.
*/
static void
abort_publish_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct PublishListPopupContext *ppc = user_data;
struct PublishEntry *pe = ppc->pe;
if (NULL != pe->pc)
GNUNET_FS_publish_stop (pe->pc);
}
/**
* Copy current URI to clipboard was selected in the current context menu.
*
* @param item the 'copy-to-clipboard' menu item
* @param user_data the 'struct DownloadListPopupContext' of the menu
*/
static void
copy_publish_uri_to_clipboard_ctx_menu (GtkMenuItem *item, gpointer user_data)
{
struct PublishListPopupContext *ppc = user_data;
struct GNUNET_FS_Uri *uri;
char *uris;
GtkClipboard *cb;
uri = ppc->pe->uri;
if (uri == NULL)
{
GNUNET_break (0);
return;
}
uris = GNUNET_FS_uri_to_string (uri);
cb = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text (cb, uris, -1);
gtk_clipboard_store (cb);
GNUNET_free (uris);
}
/**
* Context menu was requested for a publish result list.
* Compute which menu items are applicable and generate
* an appropriate menu.
*
* @param tm tree model underlying the tree view where the event happened
* @param tab tab where the event happened
* @param iter selected element in @a tm for the popup
* @return NULL if no menu could be created,
* otherwise the pop-up menu
*/
static GtkMenu *
publish_list_get_popup (GtkTreeModel *tm,
struct PublishTab *tab,
GtkTreeIter *iter)
{
GtkMenu *menu;
GtkWidget *child;
GtkTreePath *path;
struct PublishEntry *pe;
struct PublishListPopupContext *ppc;
gtk_tree_model_get (tm, iter, PUBLISH_TAB_MC_ENT, &pe, -1);
if ((NULL == pe->uri) && ((NULL == pe->pc) || (GNUNET_NO == pe->is_top)))
{
/* no actions available, refuse to pop up */
return NULL;
}
ppc = GNUNET_new (struct PublishListPopupContext);
ppc->tab = tab;
path = gtk_tree_model_get_path (tm, iter);
ppc->rr = gtk_tree_row_reference_new (tm, path);
gtk_tree_path_free (path);
ppc->pe = pe;
menu = GTK_MENU (gtk_menu_new ());
if (NULL != pe->uri)
{
child = gtk_menu_item_new_with_label (_ ("_Copy URI to Clipboard"));
g_signal_connect (child,
"activate",
G_CALLBACK (copy_publish_uri_to_clipboard_ctx_menu),
ppc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
else if (NULL != pe->pc)
{
child = gtk_menu_item_new_with_label (_ ("_Abort publishing"));
g_signal_connect (child,
"activate",
G_CALLBACK (abort_publish_ctx_menu),
ppc);
gtk_label_set_use_underline (GTK_LABEL (
gtk_bin_get_child (GTK_BIN (child))),
TRUE);
gtk_widget_show (child);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), child);
}
g_signal_connect (menu,
"selection-done",
G_CALLBACK (publish_list_popup_selection_done),
ppc);
return menu;
}
/**
* We got a 'popup-menu' event, display the context menu.
*
* @param widget the tree view where the event happened
* @param user_data the 'struct PublishTab' of the tree view
* @return FALSE if no menu could be popped up,
* TRUE if there is now a pop-up menu
*/
gboolean
GNUNET_FS_GTK_publish_treeview_popup_menu (GtkWidget *widget,
gpointer user_data)
{
GtkTreeView *tv = GTK_TREE_VIEW (widget);
struct PublishTab *tab = user_data;
GtkTreeSelection *sel;
GtkTreeIter iter;
GtkTreeModel *tm;
GtkMenu *menu;
sel = gtk_tree_view_get_selection (tv);
if (! gtk_tree_selection_get_selected (sel, &tm, &iter))
return FALSE; /* nothing selected */
menu = publish_list_get_popup (tm, tab, &iter);
if (NULL == menu)
return FALSE;
gtk_menu_popup_at_widget (menu,
widget,
GDK_GRAVITY_CENTER,
GDK_GRAVITY_CENTER,
NULL);
return TRUE;
}
/**
* We got a button press on the search result list. Display the context
* menu.
*
* @param widget the GtkTreeView with the search result list
* @param event the event, we only care about button events
* @param user_data the 'struct SearchTab' the widget is in
* @return FALSE to propagate the event further,
* TRUE to stop the event propagation.
*/
gboolean
GNUNET_FS_GTK_publish_treeview_button_press_event (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
GtkTreeView *tv = GTK_TREE_VIEW (widget);
GdkEventButton *event_button = (GdkEventButton *) event;
struct PublishTab *tab = user_data;
GtkTreeModel *tm;
GtkTreePath *path;
GtkTreeIter iter;
GtkMenu *menu;
if ((GDK_BUTTON_PRESS != event->type) || (3 != event_button->button))
return FALSE; /* not a right-click */
if (! gtk_tree_view_get_path_at_pos (tv,
event_button->x,
event_button->y,
&path,
NULL,
NULL,
NULL))
return FALSE; /* click outside of area with values, ignore */
tm = gtk_tree_view_get_model (tv);
if (! gtk_tree_model_get_iter (tm, &iter, path))
return FALSE; /* not sure how we got a path but no iter... */
gtk_tree_path_free (path);
menu = publish_list_get_popup (tm, tab, &iter);
if (NULL == menu)
return FALSE;
gtk_menu_popup_at_pointer (menu, event);
return FALSE; /* propagate further, to focus on the item (for example) */
}
/* ***************** Master event handler ****************** */
/**
* Notification of FS to a client about the progress of an
* operation. Callbacks of this type will be used for uploads,
* downloads and searches. Some of the arguments depend a bit
* in their meaning on the context in which the callback is used.
*
* @param cls closure
* @param info details about the event, specifying the event type
* and various bits about the event
* @return client-context (for the next progress call
* for this operation; should be set to NULL for
* SUSPEND and STOPPED events). The value returned
* will be passed to future callbacks in the respective
* field in the `struct GNUNET_FS_ProgressInfo`.
*/
void *
GNUNET_GTK_fs_event_handler (void *cls,
const struct GNUNET_FS_ProgressInfo *info)
{
void *ret;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got FS event %d\n", info->status);
GNUNET_FS_GTK_set_fs_handle (info->fsh);
switch (info->status)
{
case GNUNET_FS_STATUS_PUBLISH_START:
return setup_publish (info->value.publish.pc,
info->value.publish.filename,
info->value.publish.size,
info->value.publish.pctx);
case GNUNET_FS_STATUS_PUBLISH_RESUME:
ret = setup_publish (info->value.publish.pc,
info->value.publish.filename,
info->value.publish.size,
info->value.publish.pctx);
if (NULL == ret)
return ret;
if (NULL != info->value.publish.specifics.resume.message)
{
handle_publish_error (ret, info->value.publish.specifics.resume.message);
}
else if (NULL != info->value.publish.specifics.resume.chk_uri)
{
handle_publish_completed (ret,
info->value.publish.specifics.resume.chk_uri);
}
return ret;
case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
handle_publish_stop (info->value.publish.cctx);
return NULL;
case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
mark_publish_progress (info->value.publish.cctx,
info->value.publish.size,
info->value.publish.completed);
return info->value.publish.cctx;
case GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY:
mark_publish_progress (info->value.publish.cctx,
info->value.publish.specifics.progress_directory
.total,
info->value.publish.specifics.progress_directory
.completed);
return info->value.publish.cctx;
case GNUNET_FS_STATUS_PUBLISH_ERROR:
handle_publish_error (info->value.publish.cctx,
info->value.publish.specifics.error.message);
return info->value.publish.cctx;
case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
handle_publish_completed (info->value.publish.cctx,
info->value.publish.specifics.completed.chk_uri);
return info->value.publish.cctx;
case GNUNET_FS_STATUS_PUBLISH_STOPPED:
handle_publish_stop (info->value.publish.cctx);
return NULL;
case GNUNET_FS_STATUS_DOWNLOAD_START:
return setup_download (info->value.download.cctx,
info->value.download.pctx,
info->value.download.sctx,
info->value.download.anonymity,
info->value.download.dc,
info->value.download.uri,
info->value.download.filename,
info->value.download.specifics.start.meta,
info->value.download.size,
info->value.download.completed);
case GNUNET_FS_STATUS_DOWNLOAD_RESUME:
ret = setup_download (info->value.download.cctx,
info->value.download.pctx,
info->value.download.sctx,
info->value.download.anonymity,
info->value.download.dc,
info->value.download.uri,
info->value.download.filename,
info->value.download.specifics.resume.meta,
info->value.download.size,
info->value.download.completed);
if (NULL != info->value.download.specifics.resume.message)
mark_download_error (ret, info->value.download.specifics.resume.message);
return ret;
case GNUNET_FS_STATUS_DOWNLOAD_SUSPEND:
stop_download (info->value.download.cctx);
return NULL;
case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
mark_download_progress (info->value.download.cctx,
info->value.download.filename,
info->value.download.size,
info->value.download.completed,
info->value.download.specifics.progress.data,
info->value.download.specifics.progress.offset,
info->value.download.specifics.progress.data_len,
info->value.download.specifics.progress.depth);
return info->value.download.cctx;
case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
mark_download_error (info->value.download.cctx,
info->value.download.specifics.error.message);
return info->value.download.cctx;
case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
mark_download_completed (info->value.download.cctx,
info->value.download.size);
return info->value.download.cctx;
case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
stop_download (info->value.download.cctx);
return NULL;
case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
change_download_color (info->value.download.cctx, "yellow");
change_download_status_icon (info->value.download.cctx,
GNUNET_GTK_animation_context_get_pixbuf (
animation_downloading));
return info->value.download.cctx;
case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
change_download_color (info->value.download.cctx, "blue");
change_download_status_icon (info->value.download.cctx,
GNUNET_GTK_animation_context_get_pixbuf (
animation_download_stalled));
return info->value.download.cctx;
case GNUNET_FS_STATUS_DOWNLOAD_LOST_PARENT:
download_lost_parent (info->value.download.cctx);
return info->value.download.cctx;
case GNUNET_FS_STATUS_SEARCH_START:
if (NULL != info->value.search.pctx)
return setup_inner_search (info->value.search.sc,
info->value.search.pctx);
return setup_search_tab (info->value.search.sc, info->value.search.query);
case GNUNET_FS_STATUS_SEARCH_RESUME:
ret = setup_search_tab (info->value.search.sc, info->value.search.query);
if (info->value.search.specifics.resume.message)
handle_search_error (ret, info->value.search.specifics.resume.message);
return ret;
case GNUNET_FS_STATUS_SEARCH_RESUME_RESULT:
ret =
process_search_result (info->value.search.cctx,
info->value.search.anonymity,
info->value.search.pctx,
info->value.search.specifics.resume_result.uri,
info->value.search.specifics.resume_result.meta,
info->value.search.specifics.resume_result.result,
info->value.search.specifics.resume_result
.applicability_rank);
update_search_result (ret,
info->value.search.specifics.resume_result.meta,
info->value.search.specifics.resume_result
.applicability_rank,
info->value.search.specifics.resume_result
.availability_rank,
info->value.search.specifics.resume_result
.availability_certainty,
GNUNET_TIME_UNIT_ZERO);
GNUNET_break (NULL != ret);
return ret;
case GNUNET_FS_STATUS_SEARCH_SUSPEND:
close_search_tab (info->value.search.cctx);
return NULL;
case GNUNET_FS_STATUS_SEARCH_RESULT:
return process_search_result (info->value.search.cctx,
info->value.search.anonymity,
info->value.search.pctx,
info->value.search.specifics.result.uri,
info->value.search.specifics.result.meta,
info->value.search.specifics.result.result,
info->value.search.specifics.result
.applicability_rank);
case GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE:
GNUNET_break (0);
break;
case GNUNET_FS_STATUS_SEARCH_UPDATE:
update_search_result (info->value.search.specifics.update.cctx,
info->value.search.specifics.update.meta,
info->value.search.specifics.update
.applicability_rank,
info->value.search.specifics.update.availability_rank,
info->value.search.specifics.update
.availability_certainty,
info->value.search.specifics.update
.current_probe_time);
return info->value.search.specifics.update.cctx;
case GNUNET_FS_STATUS_SEARCH_ERROR:
handle_search_error (info->value.search.cctx,
info->value.search.specifics.error.message);
return info->value.search.cctx;
case GNUNET_FS_STATUS_SEARCH_PAUSED:
return info->value.search.cctx;
case GNUNET_FS_STATUS_SEARCH_CONTINUED:
return info->value.search.cctx;
case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
free_search_result (info->value.search.specifics.result_stopped.cctx);
return NULL;
case GNUNET_FS_STATUS_SEARCH_RESULT_SUSPEND:
free_search_result (info->value.search.specifics.result_suspend.cctx);
return NULL;
case GNUNET_FS_STATUS_SEARCH_STOPPED:
close_search_tab (info->value.search.cctx);
return NULL;
case GNUNET_FS_STATUS_UNINDEX_START:
return info->value.unindex.cctx;
case GNUNET_FS_STATUS_UNINDEX_RESUME:
return GNUNET_FS_GTK_unindex_handle_resume_ (info->value.unindex.uc,
info->value.unindex.filename,
info->value.unindex.size,
info->value.unindex.completed,
info->value.unindex.specifics
.resume.message);
case GNUNET_FS_STATUS_UNINDEX_SUSPEND:
GNUNET_FS_GTK_unindex_handle_stop_ (info->value.unindex.cctx);
return NULL;
case GNUNET_FS_STATUS_UNINDEX_PROGRESS:
/* info->value.unindex.cctx is NULL if the unindexing was
triggered by a *failed* publishing operation; in this case
we don't do anything in the GUI but just clean up when
the operation is complete (or fails) */
if (NULL != info->value.unindex.cctx)
GNUNET_FS_GTK_unindex_handle_progress_ (info->value.unindex.cctx,
info->value.unindex.completed);
return info->value.unindex.cctx;
case GNUNET_FS_STATUS_UNINDEX_ERROR:
if (NULL != info->value.unindex.cctx)
GNUNET_FS_GTK_unindex_handle_error_ (info->value.unindex.cctx,
info->value.unindex.specifics.error
.message);
else
GNUNET_FS_unindex_stop (info->value.unindex.uc);
return info->value.unindex.cctx;
case GNUNET_FS_STATUS_UNINDEX_COMPLETED:
if (NULL != info->value.unindex.cctx)
GNUNET_FS_GTK_unindex_handle_completed_ (info->value.unindex.cctx);
else
GNUNET_FS_unindex_stop (info->value.unindex.uc);
return info->value.unindex.cctx;
case GNUNET_FS_STATUS_UNINDEX_STOPPED:
if (NULL != info->value.unindex.cctx)
GNUNET_FS_GTK_unindex_handle_stop_ (info->value.unindex.cctx);
return NULL;
default:
GNUNET_break (0);
break;
}
return NULL;
}
/* end of gnunet-fs-gtk-event_handler.c */
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