Nicer user interface
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6aac9384a5
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c5989c86e1
135
src/download.c
135
src/download.c
@ -48,10 +48,12 @@ typedef struct _Download
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/* widgets */
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GtkWidget * window;
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GtkWidget * label;
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GtkWidget * status;
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GtkWidget * speed;
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GtkWidget * progress;
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guint timeout;
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int pulse;
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} Download;
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@ -74,9 +76,13 @@ static gboolean _download_on_timeout(gpointer data);
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static int _download(Prefs * prefs, char const * url)
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{
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static Download download;
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char buf[256];
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GtkWidget * vbox;
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GtkWidget * hbox;
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GtkWidget * widget;
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GtkSizeGroup * left;
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GtkSizeGroup * right;
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PangoFontDescription * bold;
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download.prefs = prefs;
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download.url = url;
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@ -85,30 +91,71 @@ static int _download(Prefs * prefs, char const * url)
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if(gettimeofday(&download.tv, NULL) != 0)
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return _download_error(NULL, "gettimeofday", 1);
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download.data_received = 0;
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download.content_length = 0;
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download.pulse = 0;
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/* window */
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download.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title(GTK_WINDOW(download.window), "Download file");
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snprintf(buf, sizeof(buf), "%s %s", "Download", url);
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gtk_window_set_title(GTK_WINDOW(download.window), buf);
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g_signal_connect(G_OBJECT(download.window), "delete-event", G_CALLBACK(
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_download_on_closex), NULL);
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vbox = gtk_vbox_new(FALSE, 4);
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download.label = gtk_label_new("");
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gtk_box_pack_start(GTK_BOX(vbox), download.label, TRUE, TRUE, 4);
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vbox = gtk_vbox_new(FALSE, 0);
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bold = pango_font_description_new();
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pango_font_description_set_weight(bold, PANGO_WEIGHT_BOLD);
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left = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
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right = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
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/* filename */
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hbox = gtk_hbox_new(FALSE, 0);
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widget = gtk_label_new("File: ");
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gtk_widget_modify_font(widget, bold);
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gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
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gtk_size_group_add_widget(left, widget);
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gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
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widget = gtk_label_new(prefs->output);
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gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
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gtk_size_group_add_widget(right, widget);
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gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
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/* status */
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hbox = gtk_hbox_new(FALSE, 0);
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widget = gtk_label_new("Status: ");
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gtk_widget_modify_font(widget, bold);
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gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
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gtk_size_group_add_widget(left, widget);
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gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
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download.status = gtk_label_new("Resolving...");
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gtk_box_pack_start(GTK_BOX(vbox), download.status, TRUE, TRUE, 4);
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gtk_misc_set_alignment(GTK_MISC(download.status), 0, 0);
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gtk_size_group_add_widget(right, download.status);
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gtk_box_pack_start(GTK_BOX(hbox), download.status, TRUE, TRUE, 0);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 4);
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/* speed */
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hbox = gtk_hbox_new(FALSE, 0);
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widget = gtk_label_new("Speed: ");
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gtk_widget_modify_font(widget, bold);
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gtk_misc_set_alignment(GTK_MISC(widget), 0, 0);
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gtk_size_group_add_widget(left, widget);
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gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 0);
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download.speed = gtk_label_new("0.0 kB/s");
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gtk_box_pack_start(GTK_BOX(vbox), download.speed, TRUE, TRUE, 4);
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gtk_misc_set_alignment(GTK_MISC(download.speed), 0, 0);
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gtk_size_group_add_widget(right, download.speed);
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gtk_box_pack_start(GTK_BOX(hbox), download.speed, TRUE, TRUE, 0);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
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/* progress bar */
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download.progress = gtk_progress_bar_new();
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gtk_box_pack_start(GTK_BOX(vbox), download.progress, TRUE, TRUE, 4);
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/* cancel button */
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hbox = gtk_hbox_new(FALSE, 4);
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widget = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
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g_signal_connect(G_OBJECT(widget), "clicked", G_CALLBACK(
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_download_on_cancel), &download);
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gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 4);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 4);
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gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, FALSE, 0);
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gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
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gtk_container_set_border_width(GTK_CONTAINER(download.window), 4);
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gtk_container_add(GTK_CONTAINER(download.window), vbox);
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g_idle_add(_download_on_idle, &download);
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_download_refresh(&download);
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gtk_widget_show_all(download.window);
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gtk_main();
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return 0;
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}
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@ -143,9 +190,6 @@ static void _download_refresh(Download * download)
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double rate;
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double fraction;
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snprintf(buf, sizeof(buf), "Saving to file: %s",
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download->prefs->output);
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gtk_label_set_text(GTK_LABEL(download->label), buf);
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/* XXX should check gettimeofday() return value explicitly */
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if(download->data_received > 0 && gettimeofday(&tv, NULL) == 0)
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{
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@ -162,7 +206,15 @@ static void _download_refresh(Download * download)
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gtk_label_set_text(GTK_LABEL(download->speed), buf);
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}
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if(download->content_length == 0)
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{
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buf[0] = '\0';
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if(download->pulse != 0)
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{
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gtk_progress_bar_pulse(GTK_PROGRESS_BAR(
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download->progress));
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download->pulse = 0;
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}
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}
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else
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{
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fraction = (double)download->data_received
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@ -181,7 +233,7 @@ static void _download_on_cancel(GtkWidget * widget, gpointer data)
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Download * download = data;
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gtk_widget_hide(download->window);
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/* FIXME cleanup */
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/* FIXME cleanup, unlink... */
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gtk_main_quit();
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}
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@ -190,7 +242,7 @@ static gboolean _download_on_closex(GtkWidget * widget, GdkEvent * event,
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gpointer data)
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{
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gtk_widget_hide(widget);
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/* FIXME cleanup */
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/* FIXME cleanup, unlink... */
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gtk_main_quit();
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return FALSE;
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}
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@ -247,7 +299,10 @@ static void _http_connected(Download * download)
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static void _http_error(GConnHttpEventError * event, Download * download)
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{
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gtk_label_set_text(GTK_LABEL(download->status), "Connected");
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char buf[10];
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snprintf(buf, sizeof(buf), "%s %u", "Error ", event->code);
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gtk_label_set_text(GTK_LABEL(download->status), buf);
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/* FIXME implement */
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}
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@ -258,15 +313,21 @@ static void _http_data_complete(GConnHttpEventData * event,
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gsize size;
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gtk_label_set_text(GTK_LABEL(download->status), "Complete");
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download->data_received = event->data_received;
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download->content_length = event->content_length;
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if(gnet_conn_http_steal_buffer(download->conn, &buf, &size))
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{
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/* FIXME use a GIOChannel instead, check errors */
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fwrite(buf, sizeof(*buf), size, download->fp);
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g_free(buf);
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}
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fclose(download->fp); /* FIXME re-use cleanup code */
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download->data_received = event->data_received;
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if(event->content_length == 0)
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download->content_length = (event->content_length != 0)
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? event->content_length : event->data_received;
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if(fclose(download->fp) != 0)
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_download_error(download, download->prefs->output, 0);
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_download_refresh(download);
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g_source_remove(download->timeout);
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download->timeout = 0;
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}
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static void _http_data_partial(GConnHttpEventData * event, Download * download)
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@ -275,7 +336,7 @@ static void _http_data_partial(GConnHttpEventData * event, Download * download)
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gsize size;
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gtk_label_set_text(GTK_LABEL(download->status), "Downloading");
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/* FIXME code duplication */
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/* FIXME code duplication with data_complete */
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download->data_received = event->data_received;
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download->content_length = event->content_length;
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if(gnet_conn_http_steal_buffer(download->conn, &buf, &size))
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@ -283,12 +344,20 @@ static void _http_data_partial(GConnHttpEventData * event, Download * download)
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/* FIXME use a GIOChannel instead, check errors */
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fwrite(buf, sizeof(*buf), size, download->fp);
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g_free(buf);
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download->pulse = 1;
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}
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}
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static void _http_redirect(GConnHttpEventRedirect * event, Download * download)
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{
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gtk_label_set_text(GTK_LABEL(download->status), "Redirecting");
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char buf[256];
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if(event->new_location != NULL)
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snprintf(buf, sizeof(buf), "%s %s", "Redirected to",
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event->new_location);
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else
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strcpy(buf, "Redirected");
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gtk_label_set_text(GTK_LABEL(download->status), buf);
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/* FIXME implement */
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}
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@ -300,11 +369,16 @@ static void _http_resolved(GConnHttpEventResolved * event, Download * download)
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static void _http_response(GConnHttpEventResponse * event, Download * download)
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{
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char buf[10];
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snprintf(buf, sizeof(buf), "%s %u", "Code ", event->response_code);
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gtk_label_set_text(GTK_LABEL(download->status), buf);
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/* FIXME implement */
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}
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static void _http_timeout(Download * download)
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{
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gtk_label_set_text(GTK_LABEL(download->status), "Timeout");
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/* FIXME implement */
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}
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@ -312,23 +386,25 @@ static void _http_timeout(Download * download)
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static gboolean _download_on_idle(gpointer data)
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{
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Download * download = data;
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Prefs * prefs = download->prefs;
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if((download->fp = fopen(download->prefs->output, "w")) == NULL)
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if((download->fp = fopen(prefs->output, "w")) == NULL)
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{
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_download_error(download, download->prefs->output, 0);
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_download_error(download, prefs->output, 0);
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/* FIXME cleanup */
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gtk_main_quit();
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return FALSE;
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}
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download->conn = gnet_conn_http_new();
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gnet_conn_http_set_method(download->conn, GNET_CONN_HTTP_METHOD_GET,
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NULL, 0);
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if(gnet_conn_http_set_method(download->conn, GNET_CONN_HTTP_METHOD_GET,
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NULL, 0) != TRUE)
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return _download_error(download, "Unknown error", FALSE);
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gnet_conn_http_set_uri(download->conn, download->url);
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if(download->prefs->user_agent != NULL)
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if(prefs->user_agent != NULL)
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gnet_conn_http_set_user_agent(download->conn,
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download->prefs->user_agent);
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prefs->user_agent);
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gnet_conn_http_run_async(download->conn, _download_on_http, download);
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g_timeout_add(500, _download_on_timeout, download);
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download->timeout = g_timeout_add(250, _download_on_timeout, download);
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return FALSE;
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}
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@ -338,7 +414,6 @@ static gboolean _download_on_timeout(gpointer data)
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Download * download = data;
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_download_refresh(download);
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/* FIXME check if we are still needed */
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return TRUE;
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}
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@ -375,7 +450,5 @@ int main(int argc, char * argv[])
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}
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if(optind + 1 != argc)
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return _usage();
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_download(&prefs, argv[optind]);
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gtk_main();
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return 0;
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return _download(&prefs, argv[optind]) == 0 ? 0 : 2;
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}
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