[epiphany/downloads: 2/13] ephy-embed: port to EphyDownload

[Diego Escalante Urrelo <diegoe src gnome org>]

commit fdfa88ece527a0ee3b00cdb2a62a7673488aebfe
Author: Diego Escalante Urrelo <descalante igalia com>
Date:   Mon Jan 17 11:52:55 2011 -0500

    ephy-embed: port to EphyDownload
    
    Update EphyEmbed to the new EphyDownload API, remove use of EphyEmbedPersist.
    
    Bug #618443

 embed/ephy-embed.c |  474 +--------------------------------------------------
 1 files changed, 10 insertions(+), 464 deletions(-)
---
diff --git a/embed/ephy-embed.c b/embed/ephy-embed.c
index f53d685..670fe4d 100644
--- a/embed/ephy-embed.c
+++ b/embed/ephy-embed.c
@@ -28,11 +28,11 @@
 #include "downloader-view.h"
 #include "ephy-adblock-manager.h"
 #include "ephy-debug.h"
+#include "ephy-download.h"
 #include "ephy-embed.h"
 #include "ephy-embed-event.h"
 #include "ephy-embed-shell.h"
 #include "ephy-embed-single.h"
-#include "ephy-embed-persist.h"
 #include "ephy-embed-prefs.h"
 #include "ephy-embed-utils.h"
 #include "ephy-file-chooser.h"
@@ -359,458 +359,14 @@ ephy_embed_inspect_close_cb (WebKitWebInspector *inspector,
   return TRUE;
 }
 
-static void
-download_requested_dialog_response_cb (GtkDialog *dialog,
-                                       int response_id,
-                                       WebKitDownload *download)
-{
-  if (response_id == GTK_RESPONSE_ACCEPT) {
-    DownloaderView *dview;
-    char *uri;
-
-    uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
-    g_object_set_data (G_OBJECT (download), "user-destination-uri", uri);
-
-    dview = EPHY_DOWNLOADER_VIEW (ephy_embed_shell_get_downloader_view (embed_shell));
-    downloader_view_add_download (dview, download);
-  } else {
-    webkit_download_cancel (download);
-    ephy_file_delete_uri (webkit_download_get_destination_uri (download));
-  }
-
-  gtk_widget_destroy (GTK_WIDGET (dialog));
-  /* User provided us with a destination or cancelled, unfreeze. */
-  g_object_thaw_notify (G_OBJECT (download));
-  g_object_unref (download);
-}
-
-static void
-request_destination_uri (WebKitWebView *web_view,
-                         WebKitDownload *download)
-{
-  EphyFileChooser *dialog;
-  GtkWidget *window;
-  const char *suggested_filename;
-
-  suggested_filename = webkit_download_get_suggested_filename (download);
-
-  /*
-   * Try to get the toplevel window related to the WebView that caused
-   * the download, and use NULL otherwise; we don't want to pass the
-   * WebView or other widget as a parent window.
-   */
-  window = gtk_widget_get_toplevel (GTK_WIDGET (web_view));
-  if (!gtk_widget_is_toplevel (window))
-    window = NULL;
-
-  dialog = ephy_file_chooser_new (_("Save"),
-                                  window,
-                                  GTK_FILE_CHOOSER_ACTION_SAVE,
-                                  EPHY_PREFS_STATE_SAVE_DIR,
-                                  EPHY_FILE_FILTER_ALL_SUPPORTED);
-  gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE);
-  gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (dialog), suggested_filename);
-
-  g_signal_connect (dialog, "response",
-                    G_CALLBACK (download_requested_dialog_response_cb), download);
-
-  gtk_widget_show_all (GTK_WIDGET (dialog));
-}
-
-/* From the old embed/mozilla/MozDownload.cpp */
-static const char*
-file_is_compressed (const char *filename)
-{
-  int i;
-  static const char * const compression[] = {".gz", ".bz2", ".Z", ".lz", NULL};
-
-  for (i = 0; compression[i] != NULL; i++) {
-    if (g_str_has_suffix (filename, compression[i]))
-      return compression[i];
-  }
-
-  return NULL;
-}
-
-static const char*
-parse_extension (const char *filename)
-{
-  const char *compression;
-  const char *last_separator;
-
-  compression = file_is_compressed (filename);
-
-  /* if the file is compressed we might have a double extension */
-  if (compression != NULL) {
-    int i;
-    static const char * const extensions[] = {"tar", "ps", "xcf", "dvi", "txt", "text", NULL};
-
-    for (i = 0; extensions[i] != NULL; i++) {
-      char *suffix;
-      suffix = g_strdup_printf (".%s%s", extensions[i], compression);
-
-      if (g_str_has_suffix (filename, suffix)) {
-        char *p;
-
-        p = g_strrstr (filename, suffix);
-        g_free (suffix);
-
-        return p;
-      }
-
-      g_free (suffix);
-    }
-  }
-
-  /* no compression, just look for the last dot in the filename */
-  last_separator = strrchr (filename, G_DIR_SEPARATOR);
-  return strrchr ((last_separator) ? last_separator : filename, '.');
-}
-
-static gboolean
-define_destination_uri (WebKitDownload *download,
-                        gboolean temporary)
-{
-  char *tmp_dir;
-  char *destination_filename;
-  char *destination_uri;
-  const char *suggested_filename;
-
-  suggested_filename = webkit_download_get_suggested_filename (download);
-
-  /* If we are not doing an automatic download, use a temporary file
-   * to start the download while we ask the user for the location to
-   * where the file must go.
-   */
-  if (temporary)
-    tmp_dir = g_build_filename (ephy_dot_dir (), "downloads", NULL);
-  else
-    tmp_dir = ephy_file_get_downloads_dir ();
-
-  /* Make sure the download directory exists */
-  if (g_mkdir_with_parents (tmp_dir, 0700) == -1) {
-    g_critical ("Could not create downloads directory \"%s\": %s",
-                tmp_dir, strerror (errno));
-    g_free (tmp_dir);
-    return FALSE;
-  }
-
-  destination_filename = g_build_filename (tmp_dir, suggested_filename, NULL);
-
-  if (g_file_test (destination_filename, G_FILE_TEST_EXISTS)) {
-    int i = 1;
-    const char *dot_pos;
-    gssize position;
-    char *serial = NULL;
-    GString *tmp_filename;
-
-    dot_pos = parse_extension (destination_filename);
-    if (dot_pos)
-      position = dot_pos - destination_filename;
-    else
-      position = strlen (destination_filename);
-
-    tmp_filename = g_string_new (NULL);
-
-    do {
-      serial = g_strdup_printf ("(%d)", i++);
-
-      g_string_assign (tmp_filename, destination_filename);
-      g_string_insert (tmp_filename, position, serial);
-
-      g_free (serial);
-    } while (g_file_test (tmp_filename->str, G_FILE_TEST_EXISTS));
-
-    destination_filename = g_strdup (tmp_filename->str);
-    g_string_free (tmp_filename, TRUE);
-  }
-
-  destination_uri = g_strconcat ("file://", destination_filename, NULL);
-
-  LOG ("define_destination_uri: Downloading to %s", destination_filename);
-
-  webkit_download_set_destination_uri (download, destination_uri);
-
-  g_free (tmp_dir);
-  g_free (destination_filename);
-  g_free (destination_uri);
-
-  return TRUE;
-}
-
-static gboolean
-perform_auto_download (WebKitDownload *download)
-{
-  DownloaderView *dview;
-
-  if (!define_destination_uri (download, FALSE)) {
-    webkit_download_cancel (download);
-    ephy_file_delete_uri (webkit_download_get_destination_uri (download));
-    return FALSE;
-  }
-
-  dview = EPHY_DOWNLOADER_VIEW (ephy_embed_shell_get_downloader_view (embed_shell));
-
-  g_object_set_data (G_OBJECT(download), "download-action", GINT_TO_POINTER(DOWNLOAD_ACTION_OPEN));
-  downloader_view_add_download (dview, download);
-
-  return TRUE;
-}
-
 void
 ephy_embed_auto_download_url (EphyEmbed *embed, const char *url)
 {
-  WebKitNetworkRequest *request;
-  WebKitDownload *download;
-
-  request = webkit_network_request_new (url);
-  download = webkit_download_new (request);
-  g_object_unref (request);
-
-  if (perform_auto_download (download))
-    webkit_download_start (download);
-}
-
-static void
-confirm_action_response_cb (GtkWidget *dialog,
-                            int response,
-                            WebKitDownload *download)
-{
-  WebKitWebView *web_view = g_object_get_data (G_OBJECT(dialog), "webkit-view");
-  DownloaderView *dview;
-
-  gtk_widget_destroy (dialog);
-
-  if (response > 0) {
-    switch (response) {
-    case DOWNLOAD_ACTION_OPEN:
-      g_object_set_data (G_OBJECT (download), "download-action",
-                         GINT_TO_POINTER (DOWNLOAD_ACTION_OPEN));
-      break;
-    case DOWNLOAD_ACTION_DOWNLOAD:
-    case DOWNLOAD_ACTION_OPEN_LOCATION:
-      g_object_set_data (G_OBJECT (download), "download-action",
-                         GINT_TO_POINTER (DOWNLOAD_ACTION_OPEN_LOCATION));
-      break;
-    }
-
-    if (response == DOWNLOAD_ACTION_DOWNLOAD) {
-      /* balanced in download_requested_dialog_response_cb */
-      g_object_ref (download);
-      request_destination_uri (web_view, download);
-    } else {
-      if (!define_destination_uri (download, FALSE)) {
-        goto cleanup;
-      }
-      dview = EPHY_DOWNLOADER_VIEW (ephy_embed_shell_get_downloader_view (embed_shell));
-      downloader_view_add_download (dview, download);
-      /* User selected "Open", he won't be providing a destination, unfreeze. */
-      g_object_thaw_notify (G_OBJECT (download));
-    }
-    g_object_unref (download);
-    return;
-  }
-
-cleanup:
-  webkit_download_cancel (download);
-  ephy_file_delete_uri (webkit_download_get_destination_uri (download));
-  g_object_unref (download);
-}
-
-static void
-confirm_action_from_mime (WebKitWebView *web_view,
-                          WebKitDownload *download,
-                          DownloadAction action)
-{
-  GtkWidget *parent_window;
-  GtkWidget *dialog;
-  const char *action_label;
-  char *mime_description;
-  EphyMimePermission mime_permission;
-  GAppInfo *helper_app;
-  const char *suggested_filename;
-  int default_response;
-  WebKitNetworkResponse *response;
-  SoupMessage *message;
-  GtkMessageType mtype;
-  char *title;
-  char *secondary;
-
-  parent_window = gtk_widget_get_toplevel (GTK_WIDGET(web_view));
-  if (!gtk_widget_is_toplevel (parent_window))
-    parent_window = NULL;
-
-  helper_app = NULL;
-  mime_description = NULL;
-  mime_permission = EPHY_MIME_PERMISSION_SAFE;
-
-  response = webkit_download_get_network_response (download);
-  message = webkit_network_response_get_message (response);
-
-  if (message) {
-    const char *content_type = soup_message_headers_get_content_type (message->response_headers, NULL);
-
-    if (content_type) {
-      mime_description = g_content_type_get_description (content_type);
-      helper_app = g_app_info_get_default_for_type (content_type, FALSE);
-      mime_permission = ephy_file_check_mime (content_type);
-
-      if (helper_app)
-        action = DOWNLOAD_ACTION_OPEN;
-    }
-  }
-
-  if (mime_description == NULL) {
-    mime_description = g_strdup (C_("file type", "Unknown"));
-    action = DOWNLOAD_ACTION_OPEN_LOCATION;
-  }
-
-  /* Sometimes downloads can have a mime_description but a NULL helper_app
-   * in that case action is never changed so DOWNLOAD_ACTION_DOWNLOAD remains
-   * as action value. This is the same response value as Save as...
-   * button, which is wrong for the Download button.
-   */
-  if (helper_app == NULL)
-    action = DOWNLOAD_ACTION_OPEN_LOCATION;
-
-  action_label = (action == DOWNLOAD_ACTION_OPEN) ? GTK_STOCK_OPEN : STOCK_DOWNLOAD;
-  suggested_filename = webkit_download_get_suggested_filename (download);
-
-  if (mime_permission != EPHY_MIME_PERMISSION_SAFE && helper_app) {
-    title = _("Download this potentially unsafe file?");
-    mtype = GTK_MESSAGE_WARNING;
-    /* translators: First %s is the file type description, second %s is the
-     * file name */
-    secondary = g_strdup_printf (_("File Type: â??%sâ??.\n\nIt is unsafe to open "
-                                   "â??%sâ?? as it could potentially damage your "
-                                   "documents or invade your privacy. "
-                                   "You can download it instead."),
-                                 mime_description, suggested_filename);
-
-    action_label = STOCK_DOWNLOAD;
-  } else if (action == DOWNLOAD_ACTION_OPEN && helper_app) {
-    title = _("Open this file?");
-    mtype = GTK_MESSAGE_QUESTION;
-    /* translators: First %s is the file type description, second %s is the
-     * file name, third %s is the application used to open the file */
-    secondary = g_strdup_printf (_("File Type: â??%sâ??.\n\nYou can open â??%sâ?? "
-                                   "using â??%sâ?? or save it."),
-                                 mime_description, suggested_filename,
-                                 g_app_info_get_name (helper_app));
-  } else  {
-    title = _("Download this file?");
-    mtype = GTK_MESSAGE_QUESTION;
-    /* translators: First %s is the file type description, second %s is the
-     * file name */
-    secondary = g_strdup_printf (_("File Type: â??%sâ??.\n\nYou have no "
-                                   "application able to open â??%sâ??. "
-                                   "You can download it instead."),
-                                 mime_description, suggested_filename);
-  }
-
-  dialog = gtk_message_dialog_new (GTK_WINDOW (parent_window),
-                                   GTK_DIALOG_DESTROY_WITH_PARENT,
-                                   mtype, GTK_BUTTONS_NONE,
-                                   title);
-  gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
-                                            secondary, NULL);
-
-  g_free (mime_description);
-
-  gtk_dialog_add_button (GTK_DIALOG (dialog),
-                         GTK_STOCK_SAVE_AS, DOWNLOAD_ACTION_DOWNLOAD);
-  gtk_dialog_add_button (GTK_DIALOG (dialog),
-                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
-  gtk_dialog_add_button (GTK_DIALOG (dialog),
-                         action_label, action);
-
-  gtk_window_set_icon_name (GTK_WINDOW (dialog), EPHY_STOCK_EPHY);
-
-  default_response = (action == DOWNLOAD_ACTION_NONE) ?
-                     (int) GTK_RESPONSE_CANCEL : (int) action;
-
-  gtk_dialog_set_default_response (GTK_DIALOG (dialog), default_response);
-
-  g_object_set_data (G_OBJECT (dialog), "webkit-view", web_view);
-  g_signal_connect (dialog, "response",
-                    G_CALLBACK (confirm_action_response_cb),
-                    download);
-
-  gtk_window_present (GTK_WINDOW (dialog));
-}
-
-static void
-download_status_changed_cb (GObject *object,
-                            GParamSpec *pspec,
-                            EphyEmbed *embed)
-{
-  WebKitDownload *download = WEBKIT_DOWNLOAD (object);
-
-  if (webkit_download_get_status (download) == WEBKIT_DOWNLOAD_STATUS_FINISHED)
-  {
-    GFile *destination;
-    GFile *temp;
-    char *destination_uri;
-    const char *temp_uri;
-
-    temp_uri = webkit_download_get_destination_uri (download);
-    destination_uri = g_object_get_data (G_OBJECT (download),
-                                         "user-destination-uri");
-
-    LOG ("download_status_changed_cb: finished, moving temp file %s to %s",
-         temp_uri, destination_uri);
-
-    /* No user-destination-uri is set, hence this is an auto download and we
-     * have nothing else to do. */
-    if (destination_uri == NULL) return;
-
-    temp = g_file_new_for_uri (temp_uri);
-    destination = g_file_new_for_uri (destination_uri);
-
-    ephy_file_switch_temp_file (destination, temp);
-
-    g_object_unref (destination);
-    g_object_unref (temp);
-  }
-  else if (webkit_download_get_status (download) == WEBKIT_DOWNLOAD_STATUS_STARTED)
-  {
-    /* Prevent this callback from being called before the user has selected a
-     * destination. It is freed either here or in
-     * download_requested_dialog_response_cb(). Both situations are mutually
-     * exclusive.
-     *
-     * This freeze is removed either here below, in
-     * download_requested_dialog_response_cb() or confirm_action_response_cb().
-     */
-    g_object_freeze_notify (G_OBJECT (download));
-
-    if (g_settings_get_boolean (EPHY_SETTINGS_MAIN,
-                                EPHY_PREFS_AUTO_DOWNLOADS)) {
-      perform_auto_download (download);
-      /* User won't select a destination, unfreeze. */
-      g_object_thaw_notify (G_OBJECT (download));
-      return;
-    }
-
-    /* Balanced in confirm_action_response_cb. */
-    g_object_ref (download);
-
-    confirm_action_from_mime (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed),
-                              download, DOWNLOAD_ACTION_DOWNLOAD);
-  }
-}
-
-static gboolean
-download_error_cb (WebKitDownload *download,
-                   gint error_code,
-                   gint error_detail,
-                   const gchar *reason,
-                   EphyEmbed *embed)
-{
-  /* FIXME: handle download errors and notify the user. */
-  LOG ("download_error_cb: Error (%d:%d): %s", error_code, error_detail, reason);
+  EphyDownload *download;
 
-  return FALSE;
+  download = ephy_download_new_for_uri (url);
+  ephy_download_set_auto_destination (download);
+  ephy_download_set_action (download, EPHY_DOWNLOAD_ACTION_OPEN);
 }
 
 static gboolean
@@ -818,26 +374,16 @@ download_requested_cb (WebKitWebView *web_view,
                        WebKitDownload *download,
                        EphyEmbed *embed)
 {
+  EphyDownload *ed;
+
   /* Is download locked down? */
   if (g_settings_get_boolean (EPHY_SETTINGS_LOCKDOWN,
                               EPHY_PREFS_LOCKDOWN_SAVE_TO_DISK))
     return FALSE;
 
-  /* Wait for the request to be sent in all cases, so that we have a
-   * response which may contain a suggested filename */
-  g_signal_connect (download, "notify::status",
-                    G_CALLBACK (download_status_changed_cb),
-                    embed);
-  g_signal_connect (download, "error",
-                    G_CALLBACK (download_error_cb),
-                    embed);
-
-  /* If we are not performing an auto-download, we will ask the user
-   * where they want the file to go to; we will start downloading to a
-   * temporary location while the user decides.
-   */
-  if (!define_destination_uri (download, TRUE))
-    return FALSE;
+  ed = ephy_download_new_for_download (download);
+  ephy_download_set_embed (ed, embed);
+  ephy_download_set_auto_destination (ed);
 
   return TRUE;
 }