[epiphany/wip/exalm/tabs: 37/37] URL DND

[Alexander Mikhaylenko <alexm src gnome org>]

commit 144df442021b4d089274611c4246270175e562ca
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Sep 13 03:05:38 2020 +0500

    URL DND

 src/ephy-window.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 7361319b7..c2ac9a121 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -29,6 +29,7 @@
 #include "ephy-bookmarks-manager.h"
 #include "ephy-debug.h"
 #include "ephy-desktop-utils.h"
+#include "ephy-dnd.h"
 #include "ephy-embed-container.h"
 #include "ephy-embed-prefs.h"
 #include "ephy-embed-shell.h"
@@ -78,6 +79,8 @@
  * #EphyWindow is Epiphany's main widget.
  */
 
+#define INSANE_NUMBER_OF_URLS 20
+
 const struct {
   const char *action_and_target;
   const char *accelerators[9];
@@ -3148,6 +3151,93 @@ setup_tab_view (EphyWindow *window)
   return tab_view;
 }
 
+static void
+tab_bar_extra_drag_data_received_cb (EphyWindow       *window,
+                                     HdyTabPage       *page,
+                                     GdkDragContext   *context,
+                                     GtkSelectionData *selection_data,
+                                     guint             info,
+                                     guint             time)
+{
+  EphyEmbed *embed;
+  GdkAtom target;
+  const guchar *data;
+
+  if (g_settings_get_boolean (EPHY_SETTINGS_LOCKDOWN,
+                              EPHY_PREFS_LOCKDOWN_ARBITRARY_URL))
+    return;
+
+  data = gtk_selection_data_get_data (selection_data);
+  if (gtk_selection_data_get_length (selection_data) <= 0 || data == NULL)
+    return;
+
+  embed = EPHY_EMBED (hdy_tab_page_get_child (page));
+  target = gtk_selection_data_get_target (selection_data);
+
+  if (target == gdk_atom_intern (EPHY_DND_URL_TYPE, FALSE)) {
+    char **split;
+
+    /* URL_TYPE has format: url \n title */
+    split = g_strsplit ((const gchar *)data, "\n", 2);
+    if (split != NULL && split[0] != NULL && split[0][0] != '\0') {
+      ephy_link_open (EPHY_LINK (window), NULL, NULL, EPHY_LINK_NEW_TAB);
+      ephy_link_open (EPHY_LINK (window), split[0], embed,
+                      embed ? 0 : EPHY_LINK_NEW_TAB);
+    }
+    g_strfreev (split);
+  } else if (target == gdk_atom_intern (EPHY_DND_URI_LIST_TYPE, FALSE)) {
+    char **uris;
+    int i;
+
+    uris = gtk_selection_data_get_uris (selection_data);
+    if (uris == NULL)
+      return;
+
+    for (i = 0; i < INSANE_NUMBER_OF_URLS && uris[i] != NULL; i++) {
+      embed = ephy_link_open (EPHY_LINK (window), uris[i], embed,
+                              (embed && i == 0) ? 0 : EPHY_LINK_NEW_TAB);
+    }
+
+    g_strfreev (uris);
+  } else {
+    char *text;
+
+    text = (char *)gtk_selection_data_get_text (selection_data);
+    if (text != NULL) {
+      char *address;
+
+      address = ephy_embed_utils_normalize_or_autosearch_address (text);
+      ephy_link_open (EPHY_LINK (window), address, embed,
+                      embed ? 0 : EPHY_LINK_NEW_TAB);
+      g_free (address);
+      g_free (text);
+    }
+  }
+}
+
+static void
+setup_tab_bar (EphyWindow *window)
+{
+  GtkTargetList *target_list;
+  static const GtkTargetEntry url_drag_types [] = {
+    { (char *)EPHY_DND_URI_LIST_TYPE, 0, 0 },
+    { (char *)EPHY_DND_URL_TYPE, 0, 1 },
+  };
+
+  target_list = gtk_target_list_new (url_drag_types,
+                                     G_N_ELEMENTS (url_drag_types));
+  gtk_target_list_add_text_targets (target_list , 0);
+
+  hdy_tab_bar_set_extra_drag_dest_targets (window->tab_bar, target_list);
+
+  gtk_target_list_unref (target_list);
+
+  g_signal_connect_object (window->tab_bar, "extra-drag-data-received",
+                           G_CALLBACK (tab_bar_extra_drag_data_received_cb),
+                           window,
+                           G_CONNECT_SWAPPED);
+}
+
 static void
 ephy_window_dispose (GObject *object)
 {
@@ -3733,6 +3823,8 @@ ephy_window_constructed (GObject *object)
   window->fullscreen_box = hdy_fullscreen_box_new ();
   window->pages_view = ephy_pages_view_new ();
 
+  setup_tab_bar (window);
+
   gtk_revealer_set_transition_type (window->tab_bar_revealer, GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN);
   hdy_tab_bar_set_view (window->tab_bar, ephy_tab_view_get_tab_view (window->tab_view));
   ephy_pages_view_set_tab_view (window->pages_view, window->tab_view);