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netsurf/frontends/gtk/download.c
Vincent Sanders c821ed2bbd move download header into public API
2016-05-30 11:15:58 +01:00

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/*
* Copyright 2008 Michael Lester <element3260@gmail.com>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <gtk/gtk.h>
#include <glib/gstdio.h>
#include "utils/log.h"
#include "utils/utils.h"
#include "utils/nsurl.h"
#include "utils/messages.h"
#include "utils/nsoption.h"
#include "utils/string.h"
#include "desktop/download.h"
#include "netsurf/download.h"
#include "gtk/warn.h"
#include "gtk/scaffolding.h"
#include "gtk/window.h"
#include "gtk/compat.h"
#include "gtk/resources.h"
#include "gtk/download.h"
#define UPDATE_RATE 500 /* In milliseconds */
struct download_context;
enum {
NSGTK_DOWNLOAD_PROGRESS,
NSGTK_DOWNLOAD_INFO,
NSGTK_DOWNLOAD_REMAINING,
NSGTK_DOWNLOAD_SPEED,
NSGTK_DOWNLOAD_PULSE,
NSGTK_DOWNLOAD_STATUS,
NSGTK_DOWNLOAD,
NSGTK_DOWNLOAD_N_COLUMNS
};
typedef enum {
NSGTK_DOWNLOAD_NONE,
NSGTK_DOWNLOAD_WORKING,
NSGTK_DOWNLOAD_ERROR,
NSGTK_DOWNLOAD_COMPLETE,
NSGTK_DOWNLOAD_CANCELED
} nsgtk_download_status;
typedef enum {
NSGTK_DOWNLOAD_PAUSE = 1 << 0,
NSGTK_DOWNLOAD_RESUME = 1 << 1,
NSGTK_DOWNLOAD_CANCEL = 1 << 2,
NSGTK_DOWNLOAD_CLEAR = 1 << 3
} nsgtk_download_actions;
struct gui_download_window {
struct download_context *ctx;
nsgtk_download_actions sensitivity;
nsgtk_download_status status;
GString *name;
GString *time_left;
gint size_total;
gint size_downloaded;
gint progress;
gfloat time_remaining;
gfloat start_time;
gfloat speed;
GtkTreeRowReference *row;
GIOChannel *write;
GError *error;
};
typedef void (*nsgtk_download_selection_action)(struct gui_download_window *dl);
static GtkWindow *nsgtk_download_window, *nsgtk_download_parent;
static GtkProgressBar *nsgtk_download_progress_bar;
static GtkTreeView *nsgtk_download_tree;
static GtkListStore *nsgtk_download_store;
static GtkTreeSelection *nsgtk_download_selection;
static GtkTreeIter nsgtk_download_iter;
static GTimer *nsgtk_downloads_timer;
static GList *nsgtk_downloads_list;
static GtkButton *nsgtk_download_button_pause;
static GtkButton *nsgtk_download_button_clear;
static GtkButton *nsgtk_download_button_cancel;
static GtkButton *nsgtk_download_button_resume;
static gint nsgtk_downloads_num_active;
static const gchar* status_messages[] = { NULL, "gtkWorking", "gtkError",
"gtkComplete", "gtkCanceled" };
static GtkTreeView* nsgtk_download_tree_view_new(GtkBuilder *gladeFile)
{
GtkTreeView *treeview;
GtkCellRenderer *renderer;
treeview = GTK_TREE_VIEW(gtk_builder_get_object(gladeFile, "treeDownloads"));
/* Progress column */
renderer = gtk_cell_renderer_progress_new();
gtk_tree_view_insert_column_with_attributes (treeview, -1,
messages_get("gtkProgress"), renderer, "value",
NSGTK_DOWNLOAD_PROGRESS, "pulse", NSGTK_DOWNLOAD_PULSE,
"text", NSGTK_DOWNLOAD_STATUS, NULL);
/* Information column */
renderer = gtk_cell_renderer_text_new();
g_object_set(G_OBJECT(renderer), "wrap-mode", PANGO_WRAP_WORD_CHAR,
"wrap-width", 300, NULL);
gtk_tree_view_insert_column_with_attributes (treeview, -1,
messages_get("gtkDetails"), renderer, "text",
NSGTK_DOWNLOAD_INFO, NULL);
gtk_tree_view_column_set_expand(gtk_tree_view_get_column(treeview,
NSGTK_DOWNLOAD_INFO), TRUE);
/* Time remaining column */
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes (treeview, -1,
messages_get("gtkRemaining"), renderer, "text",
NSGTK_DOWNLOAD_REMAINING, NULL);
/* Speed column */
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_insert_column_with_attributes (treeview, -1,
messages_get("gtkSpeed"), renderer, "text",
NSGTK_DOWNLOAD_SPEED, NULL);
return treeview;
}
static gint
nsgtk_download_sort(GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer userdata)
{
struct gui_download_window *dl1, *dl2;
gtk_tree_model_get(model, a, NSGTK_DOWNLOAD, &dl1, -1);
gtk_tree_model_get(model, b, NSGTK_DOWNLOAD, &dl2, -1);
return dl1->status - dl2->status;
}
static void
nsgtk_download_sensitivity_update_buttons(nsgtk_download_actions sensitivity)
{
/* Glade seems to pack the buttons in an arbitrary order */
enum { PAUSE_BUTTON, CLEAR_BUTTON, CANCEL_BUTTON, RESUME_BUTTON };
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_download_button_pause),
sensitivity & NSGTK_DOWNLOAD_PAUSE);
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_download_button_clear),
sensitivity & NSGTK_DOWNLOAD_CLEAR);
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_download_button_cancel),
sensitivity & NSGTK_DOWNLOAD_CANCEL);
gtk_widget_set_sensitive(GTK_WIDGET(nsgtk_download_button_resume),
sensitivity & NSGTK_DOWNLOAD_RESUME);
}
static void nsgtk_download_sensitivity_evaluate(GtkTreeSelection *selection)
{
GtkTreeIter iter;
GList *rows;
gboolean selected = gtk_tree_selection_count_selected_rows(selection);
GtkTreeModel *model = GTK_TREE_MODEL(nsgtk_download_store);
nsgtk_download_actions sensitivity = 0;
struct gui_download_window *dl;
if (selected) {
rows = gtk_tree_selection_get_selected_rows(selection, &model);
while (rows != NULL) {
gtk_tree_model_get_iter(model, &iter,
(GtkTreePath*)rows->data);
gtk_tree_model_get(model, &iter, NSGTK_DOWNLOAD,
&dl, -1);
sensitivity |= dl->sensitivity;
rows = rows->next;
}
} else {
rows = nsgtk_downloads_list;
while (rows != NULL) {
dl = rows->data;
sensitivity |= (dl->sensitivity & NSGTK_DOWNLOAD_CLEAR);
rows = rows->next;
}
}
nsgtk_download_sensitivity_update_buttons(sensitivity);
}
static void nsgtk_download_do(nsgtk_download_selection_action action)
{
GList *rows, *dls = NULL;
GtkTreeModel *model = GTK_TREE_MODEL(nsgtk_download_store);
gboolean selection_exists = gtk_tree_selection_count_selected_rows(
nsgtk_download_selection);
if (selection_exists) {
rows = gtk_tree_selection_get_selected_rows(
nsgtk_download_selection, &model);
while (rows != NULL) {
struct gui_download_window *dl;
gtk_tree_model_get_iter(GTK_TREE_MODEL(
nsgtk_download_store),
&nsgtk_download_iter,
(GtkTreePath*)rows->data);
gtk_tree_model_get(GTK_TREE_MODEL(nsgtk_download_store),
&nsgtk_download_iter, NSGTK_DOWNLOAD,
&dl, -1);
dls = g_list_prepend(dls, dl);
rows = rows->next;
}
g_list_foreach(rows, (GFunc)gtk_tree_path_free, NULL);
g_list_foreach(rows, (GFunc)g_free, NULL);
g_list_free(rows);
} else
dls = g_list_copy(nsgtk_downloads_list);
g_list_foreach(dls, (GFunc)action, NULL);
g_list_free(dls);
}
static gchar* nsgtk_download_info_to_string(struct gui_download_window *dl)
{
gchar *size_info = g_strdup_printf(messages_get("gtkSizeInfo"),
human_friendly_bytesize(dl->size_downloaded),
dl->size_total == 0 ? messages_get("gtkUnknownSize") :
human_friendly_bytesize(dl->size_total));
gchar *r;
if (dl->status != NSGTK_DOWNLOAD_ERROR)
r = g_strdup_printf("%s\n%s", dl->name->str, size_info);
else
r = g_strdup_printf("%s\n%s", dl->name->str,
dl->error->message);
g_free(size_info);
return r;
}
static gchar* nsgtk_download_time_to_string(gint seconds)
{
gint hours, minutes;
if (seconds < 0)
return g_strdup("-");
hours = seconds / 3600;
seconds -= hours * 3600;
minutes = seconds / 60;
seconds -= minutes * 60;
if (hours > 0)
return g_strdup_printf("%u:%02u:%02u", hours, minutes,
seconds);
else
return g_strdup_printf("%u:%02u", minutes, seconds);
}
static void nsgtk_download_store_update_item (struct gui_download_window *dl)
{
gchar *info = nsgtk_download_info_to_string(dl);
char *human = human_friendly_bytesize(dl->speed);
char speed[strlen(human) + SLEN("/s") + 1];
sprintf(speed, "%s/s", human);
gchar *time = nsgtk_download_time_to_string(dl->time_remaining);
gboolean pulse = dl->status == NSGTK_DOWNLOAD_WORKING;
/* Updates iter (which is needed to set and get data) with the dl row */
gtk_tree_model_get_iter(GTK_TREE_MODEL(nsgtk_download_store),
&nsgtk_download_iter,
gtk_tree_row_reference_get_path(dl->row));
gtk_list_store_set(nsgtk_download_store, &nsgtk_download_iter,
NSGTK_DOWNLOAD_PULSE, pulse ? dl->progress : -1,
NSGTK_DOWNLOAD_PROGRESS, pulse ? 0 : dl->progress,
NSGTK_DOWNLOAD_INFO, info,
NSGTK_DOWNLOAD_SPEED, dl->speed == 0 ? "-" : speed,
NSGTK_DOWNLOAD_REMAINING, time,
NSGTK_DOWNLOAD, dl,
-1);
g_free(info);
g_free(time);
}
static gboolean nsgtk_download_update(gboolean force_update)
{
/* Be sure we need to update */
if (!nsgtk_widget_get_visible(GTK_WIDGET(nsgtk_download_window)))
return TRUE;
GList *list;
gchar *text;
gboolean update, pulse_mode = FALSE;
gint downloaded = 0, total = 0, dls = 0;
gfloat percent, elapsed = g_timer_elapsed(nsgtk_downloads_timer, NULL);
nsgtk_downloads_num_active = 0;
for (list = nsgtk_downloads_list; list != NULL; list = list->next) {
struct gui_download_window *dl = list->data;
update = force_update;
switch (dl->status) {
case NSGTK_DOWNLOAD_WORKING:
pulse_mode = TRUE;
case NSGTK_DOWNLOAD_NONE:
dl->speed = dl->size_downloaded /
(elapsed - dl->start_time);
if (dl->status == NSGTK_DOWNLOAD_NONE) {
dl->time_remaining = (dl->size_total -
dl->size_downloaded)/
dl->speed;
dl->progress = (gfloat)
dl->size_downloaded /
dl->size_total * 100;
} else
dl->progress++;
nsgtk_downloads_num_active++;
update = TRUE;
case NSGTK_DOWNLOAD_COMPLETE:
downloaded += dl->size_downloaded;
total += dl->size_total;
dls++;
default:
;//Do nothing
}
if (update)
nsgtk_download_store_update_item(dl);
}
if (pulse_mode) {
text = g_strdup_printf(
messages_get(nsgtk_downloads_num_active > 1 ?
"gtkProgressBarPulse" :
"gtkProgressBarPulseSingle"),
nsgtk_downloads_num_active);
gtk_progress_bar_pulse(nsgtk_download_progress_bar);
gtk_progress_bar_set_text(nsgtk_download_progress_bar, text);
} else {
percent = total != 0 ? (gfloat)downloaded / total : 0;
text = g_strdup_printf(messages_get("gtkProgressBar"),
floor(percent*100), dls);
gtk_progress_bar_set_fraction(nsgtk_download_progress_bar,
percent);
gtk_progress_bar_set_text(nsgtk_download_progress_bar, text);
}
g_free(text);
if (nsgtk_downloads_num_active == 0)
return FALSE; /* Returning FALSE here cancels the g_timeout */
else
return TRUE;
}
static void nsgtk_download_store_clear_item(struct gui_download_window *dl)
{
if (dl->sensitivity & NSGTK_DOWNLOAD_CLEAR) {
nsgtk_downloads_list = g_list_remove(nsgtk_downloads_list, dl);
gtk_tree_model_get_iter(GTK_TREE_MODEL(nsgtk_download_store),
&nsgtk_download_iter,
gtk_tree_row_reference_get_path(dl->row));
gtk_list_store_remove(nsgtk_download_store,
&nsgtk_download_iter);
download_context_destroy(dl->ctx);
g_string_free(dl->name, TRUE);
g_string_free(dl->time_left, TRUE);
g_free(dl);
nsgtk_download_sensitivity_evaluate(nsgtk_download_selection);
nsgtk_download_update(FALSE);
}
}
static void nsgtk_download_tree_view_row_activated(GtkTreeView *tree,
GtkTreePath *path, GtkTreeViewColumn *column, gpointer data)
{
GtkTreeModel *model;
GtkTreeIter iter;
model = gtk_tree_view_get_model(tree);
if (gtk_tree_model_get_iter(model, &iter, path)) {
/* TODO: This will be a context action (pause, start, clear) */
nsgtk_download_do(nsgtk_download_store_clear_item);
}
}
static void nsgtk_download_change_sensitivity(struct gui_download_window *dl,
nsgtk_download_actions sensitivity)
{
dl->sensitivity = sensitivity;
nsgtk_download_sensitivity_evaluate(nsgtk_download_selection);
}
static void nsgtk_download_change_status (
struct gui_download_window *dl, nsgtk_download_status status)
{
dl->status = status;
if (status != NSGTK_DOWNLOAD_NONE) {
gtk_tree_model_get_iter(GTK_TREE_MODEL(nsgtk_download_store),
&nsgtk_download_iter,
gtk_tree_row_reference_get_path(dl->row));
gtk_list_store_set(nsgtk_download_store, &nsgtk_download_iter,
NSGTK_DOWNLOAD_STATUS,
messages_get(status_messages[status]), -1);
}
}
static void nsgtk_download_store_cancel_item (struct gui_download_window *dl)
{
if (dl->sensitivity & NSGTK_DOWNLOAD_CANCEL) {
dl->speed = 0;
dl->size_downloaded = 0;
dl->progress = 0;
dl->time_remaining = -1;
nsgtk_download_change_sensitivity(dl, NSGTK_DOWNLOAD_CLEAR);
nsgtk_download_change_status(dl, NSGTK_DOWNLOAD_CANCELED);
download_context_abort(dl->ctx);
g_unlink(download_context_get_filename(dl->ctx));
nsgtk_download_update(TRUE);
}
}
static gboolean nsgtk_download_hide(GtkWidget *window)
{
gtk_widget_hide(window);
return TRUE;
}
/* exported interface documented in gtk/download.h */
nserror nsgtk_download_init(void)
{
GtkBuilder* builder;
nserror res;
res = nsgtk_builder_new_from_resname("downloads", &builder);
if (res != NSERROR_OK) {
LOG("Download UI builder init failed");
return res;
}
gtk_builder_connect_signals(builder, NULL);
nsgtk_download_button_pause = GTK_BUTTON(gtk_builder_get_object(builder, "buttonPause"));
nsgtk_download_button_clear = GTK_BUTTON(gtk_builder_get_object(builder, "buttonClear"));
nsgtk_download_button_cancel = GTK_BUTTON(gtk_builder_get_object(builder, "buttonCancel"));
nsgtk_download_button_resume = GTK_BUTTON(gtk_builder_get_object(builder, "buttonPlay"));
nsgtk_download_progress_bar = GTK_PROGRESS_BAR(gtk_builder_get_object(builder, "progressBar"));
nsgtk_download_window = GTK_WINDOW(gtk_builder_get_object(builder, "wndDownloads"));
nsgtk_download_parent = NULL;
gtk_window_set_transient_for(GTK_WINDOW(nsgtk_download_window),
nsgtk_download_parent);
gtk_window_set_destroy_with_parent(GTK_WINDOW(nsgtk_download_window),
FALSE);
nsgtk_downloads_timer = g_timer_new();
nsgtk_download_tree = nsgtk_download_tree_view_new(builder);
nsgtk_download_store = gtk_list_store_new(NSGTK_DOWNLOAD_N_COLUMNS,
G_TYPE_INT, /* % complete */
G_TYPE_STRING, /* Description */
G_TYPE_STRING, /* Time remaining */
G_TYPE_STRING, /* Speed */
G_TYPE_INT, /* Pulse */
G_TYPE_STRING, /* Status */
G_TYPE_POINTER /* Download structure */
);
gtk_tree_view_set_model(nsgtk_download_tree,
GTK_TREE_MODEL(nsgtk_download_store));
gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(nsgtk_download_store),
NSGTK_DOWNLOAD_STATUS,
(GtkTreeIterCompareFunc) nsgtk_download_sort, NULL, NULL);
gtk_tree_sortable_set_sort_column_id(
GTK_TREE_SORTABLE(nsgtk_download_store),
NSGTK_DOWNLOAD_STATUS, GTK_SORT_ASCENDING);
g_object_unref(nsgtk_download_store);
nsgtk_download_selection =
gtk_tree_view_get_selection(nsgtk_download_tree);
gtk_tree_selection_set_mode(nsgtk_download_selection,
GTK_SELECTION_MULTIPLE);
g_signal_connect(G_OBJECT(nsgtk_download_selection), "changed",
G_CALLBACK(nsgtk_download_sensitivity_evaluate), NULL);
g_signal_connect(nsgtk_download_tree, "row-activated",
G_CALLBACK(nsgtk_download_tree_view_row_activated),
NULL);
g_signal_connect_swapped(gtk_builder_get_object(builder, "buttonClear"),
"clicked",
G_CALLBACK(nsgtk_download_do),
nsgtk_download_store_clear_item);
g_signal_connect_swapped(gtk_builder_get_object(builder, "buttonCancel"),
"clicked",
G_CALLBACK(nsgtk_download_do),
nsgtk_download_store_cancel_item);
g_signal_connect(G_OBJECT(nsgtk_download_window), "delete-event",
G_CALLBACK(nsgtk_download_hide), NULL);
return NSERROR_OK;
}
void nsgtk_download_destroy ()
{
nsgtk_download_do(nsgtk_download_store_cancel_item);
}
bool nsgtk_check_for_downloads (GtkWindow *parent)
{
if (nsgtk_downloads_num_active != 0) {
GtkWidget *dialog;
dialog = gtk_message_dialog_new_with_markup(parent,
GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING,
GTK_BUTTONS_NONE,
"<big><b>%s</b></big>\n\n"
"<small>%s</small>", messages_get("gtkQuit"),
messages_get("gtkDownloadsRunning"));
gtk_dialog_add_buttons(GTK_DIALOG(dialog), "gtk-cancel",
GTK_RESPONSE_CANCEL, "gtk-quit",
GTK_RESPONSE_CLOSE, NULL);
gint response = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if (response == GTK_RESPONSE_CANCEL)
return true;
}
return false;
}
void nsgtk_download_show(GtkWindow *parent)
{
gtk_window_set_transient_for(nsgtk_download_window,
nsgtk_download_parent);
gtk_window_present(nsgtk_download_window);
}
static gchar* nsgtk_download_dialog_show (const gchar *filename, const gchar *domain,
const gchar *size)
{
enum { GTK_RESPONSE_DOWNLOAD, GTK_RESPONSE_SAVE_AS };
GtkWidget *dialog;
char *destination = NULL;
gchar *message = g_strdup(messages_get("gtkStartDownload"));
gchar *info = g_strdup_printf(messages_get("gtkInfo"), filename,
domain, size);
dialog = gtk_message_dialog_new_with_markup(nsgtk_download_parent,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
"<span size=\"x-large\" weight=\"ultrabold\">%s</span>"
"\n\n<small>%s</small>",
message, info);
gtk_dialog_add_buttons(GTK_DIALOG(dialog), NSGTK_STOCK_SAVE,
GTK_RESPONSE_DOWNLOAD, NSGTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL, NSGTK_STOCK_SAVE_AS,
GTK_RESPONSE_SAVE_AS, NULL);
gint result = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
g_free(message);
g_free(info);
switch (result) {
case GTK_RESPONSE_SAVE_AS: {
dialog = gtk_file_chooser_dialog_new
(messages_get("gtkSave"),
nsgtk_download_parent,
GTK_FILE_CHOOSER_ACTION_SAVE,
NSGTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
NSGTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_current_name
(GTK_FILE_CHOOSER(dialog), filename);
gtk_file_chooser_set_current_folder
(GTK_FILE_CHOOSER(dialog),
nsoption_charp(downloads_directory));
gtk_file_chooser_set_do_overwrite_confirmation
(GTK_FILE_CHOOSER(dialog),
nsoption_bool(request_overwrite));
gint result = gtk_dialog_run(GTK_DIALOG(dialog));
if (result == GTK_RESPONSE_ACCEPT)
destination = gtk_file_chooser_get_filename
(GTK_FILE_CHOOSER(dialog));
gtk_widget_destroy(dialog);
break;
}
case GTK_RESPONSE_DOWNLOAD: {
destination = malloc(strlen(nsoption_charp(downloads_directory))
+ strlen(filename) + SLEN("/") + 1);
if (destination == NULL) {
nsgtk_warning(messages_get("NoMemory"), 0);
break;
}
sprintf(destination, "%s/%s",
nsoption_charp(downloads_directory), filename);
/* Test if file already exists and display overwrite
* confirmation if needed */
if (g_file_test(destination, G_FILE_TEST_EXISTS) &&
nsoption_bool(request_overwrite)) {
message = g_strdup_printf(messages_get(
"gtkOverwrite"), filename);
info = g_strdup_printf(messages_get(
"gtkOverwriteInfo"),
nsoption_charp(downloads_directory));
dialog = gtk_message_dialog_new_with_markup(
nsgtk_download_parent,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_QUESTION,
GTK_BUTTONS_CANCEL,
"<b>%s</b>",message);
gtk_message_dialog_format_secondary_markup(
GTK_MESSAGE_DIALOG(dialog),
"%s", info);
GtkWidget *button = gtk_dialog_add_button(
GTK_DIALOG(dialog),
"_Replace",
GTK_RESPONSE_DOWNLOAD);
gtk_button_set_image(GTK_BUTTON(button),
nsgtk_image_new_from_stock(
NSGTK_STOCK_SAVE,
GTK_ICON_SIZE_BUTTON));
gint result = gtk_dialog_run(GTK_DIALOG(dialog));
if (result == GTK_RESPONSE_CANCEL)
destination = NULL;
gtk_widget_destroy(dialog);
g_free(message);
g_free(info);
}
break;
}
}
return destination;
}
static gboolean nsgtk_download_handle_error (GError *error)
{
if (error != NULL) {
GtkWidget*dialog;
gchar *message = g_strdup_printf(messages_get("gtkFileError"),
error->message);
dialog = gtk_message_dialog_new_with_markup
(nsgtk_download_parent,
GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"<big><b>%s</b></big>\n\n"
"<small>%s</small>", messages_get("gtkFailed"),
message);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
return TRUE;
}
return FALSE;
}
static void nsgtk_download_store_create_item (struct gui_download_window *dl)
{
nsgtk_download_store_update_item(dl);
/* The iter has already been updated to this row */
gtk_list_store_set(nsgtk_download_store, &nsgtk_download_iter,
NSGTK_DOWNLOAD, dl, -1);
}
static struct gui_download_window *
gui_download_window_create(download_context *ctx, struct gui_window *gui)
{
nsurl *url = download_context_get_url(ctx);
unsigned long total_size = download_context_get_total_length(ctx);
gchar *domain;
gchar *destination;
gboolean unknown_size = total_size == 0;
const char *size = (total_size == 0 ?
messages_get("gtkUnknownSize") :
human_friendly_bytesize(total_size));
nsgtk_download_parent =
nsgtk_scaffolding_window(nsgtk_get_scaffold(gui));
struct gui_download_window *download = malloc(sizeof *download);
if (download == NULL) {
return NULL;
}
/* set the domain to the host component of the url if it exists */
if (nsurl_has_component(url, NSURL_HOST)) {
domain = g_strdup(lwc_string_data(nsurl_get_component(url, NSURL_HOST)));
} else {
domain = g_strdup(messages_get("gtkUnknownHost"));
}
if (domain == NULL) {
free(download);
return NULL;
}
/* show the dialog */
destination = nsgtk_download_dialog_show(
download_context_get_filename(ctx), domain, size);
if (destination == NULL) {
g_free(domain);
free(download);
return NULL;
}
/* Add the new row and store the reference to it (which keeps track of
* the tree changes) */
gtk_list_store_prepend(nsgtk_download_store, &nsgtk_download_iter);
download->row = gtk_tree_row_reference_new(
GTK_TREE_MODEL(nsgtk_download_store),
gtk_tree_model_get_path(
GTK_TREE_MODEL(nsgtk_download_store),
&nsgtk_download_iter));
download->ctx = ctx;
download->name = g_string_new(download_context_get_filename(ctx));
download->time_left = g_string_new("");
download->size_total = total_size;
download->size_downloaded = 0;
download->speed = 0;
download->start_time = g_timer_elapsed(nsgtk_downloads_timer, NULL);
download->time_remaining = -1;
download->status = NSGTK_DOWNLOAD_NONE;
download->progress = 0;
download->error = NULL;
download->write =
g_io_channel_new_file(destination, "w", &download->error);
if (nsgtk_download_handle_error(download->error)) {
g_string_free(download->name, TRUE);
g_string_free(download->time_left, TRUE);
free(download);
return NULL;
}
g_io_channel_set_encoding(download->write, NULL, &download->error);
nsgtk_download_change_sensitivity(download, NSGTK_DOWNLOAD_CANCEL);
nsgtk_download_store_create_item(download);
nsgtk_download_show(nsgtk_download_parent);
if (unknown_size)
nsgtk_download_change_status(download, NSGTK_DOWNLOAD_WORKING);
if (nsgtk_downloads_num_active == 0) {
g_timeout_add(UPDATE_RATE,
(GSourceFunc) nsgtk_download_update, FALSE);
}
nsgtk_downloads_list = g_list_prepend(nsgtk_downloads_list, download);
return download;
}
static nserror gui_download_window_data(struct gui_download_window *dw,
const char *data, unsigned int size)
{
g_io_channel_write_chars(dw->write, data, size, NULL, &dw->error);
if (dw->error != NULL) {
dw->speed = 0;
dw->time_remaining = -1;
nsgtk_download_change_sensitivity(dw, NSGTK_DOWNLOAD_CLEAR);
nsgtk_download_change_status(dw, NSGTK_DOWNLOAD_ERROR);
nsgtk_download_update(TRUE);
gtk_window_present(nsgtk_download_window);
return NSERROR_SAVE_FAILED;
}
dw->size_downloaded += size;
return NSERROR_OK;
}
static void gui_download_window_error(struct gui_download_window *dw,
const char *error_msg)
{
}
static void gui_download_window_done(struct gui_download_window *dw)
{
g_io_channel_shutdown(dw->write, TRUE, &dw->error);
g_io_channel_unref(dw->write);
dw->speed = 0;
dw->time_remaining = -1;
dw->progress = 100;
dw->size_total = dw->size_downloaded;
nsgtk_download_change_sensitivity(dw, NSGTK_DOWNLOAD_CLEAR);
nsgtk_download_change_status(dw, NSGTK_DOWNLOAD_COMPLETE);
if (nsoption_bool(downloads_clear))
nsgtk_download_store_clear_item(dw);
else
nsgtk_download_update(TRUE);
}
static struct gui_download_table download_table = {
.create = gui_download_window_create,
.data = gui_download_window_data,
.error = gui_download_window_error,
.done = gui_download_window_done,
};
struct gui_download_table *nsgtk_download_table = &download_table;
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