Rename MidoriPane to MidoriView and add protocol support

midori/midori-pane.c

@@ -1,131 +0,0 @@
-/*
- Copyright (C) 2008 Christian Dywan <christian@twotoasts.de>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- See the file COPYING for the full license text.
-*/
-
-#include "midori-pane.h"
-
-#include <glib/gi18n.h>
-
-struct _MidoriPane
-{
-    GtkHBox parent_instance;
-};
-
-static void
-midori_pane_base_init (MidoriPaneIface* iface);
-
-GType
-midori_pane_get_type (void)
-{
-  static GType pane_type = 0;
-
-  if (!pane_type)
-    {
-      const GTypeInfo pane_info =
-      {
-        sizeof (MidoriPaneIface),
-        (GBaseInitFunc)     midori_pane_base_init,
-        (GBaseFinalizeFunc) NULL,
-      };
-
-      pane_type = g_type_register_static (G_TYPE_INTERFACE,
-                                          "MidoriPane",
-                                          &pane_info, 0);
-      g_type_interface_add_prerequisite (pane_type, GTK_TYPE_WIDGET);
-    }
-
-  return pane_type;
-}
-
-static const gchar*
-midori_pane_default_get_stock_id (MidoriPane* pane)
-{
-    return NULL;
-}
-
-static const gchar*
-midori_pane_default_get_label (MidoriPane* pane)
-{
-    return NULL;
-}
-
-static GtkWidget*
-midori_pane_default_get_toolbar (MidoriPane* pane)
-{
-    return NULL;
-}
-
-static void
-midori_pane_base_init (MidoriPaneIface* iface)
-{
-    static gboolean initialized = FALSE;
-
-    if (initialized)
-        return;
-
-    iface->get_stock_id = midori_pane_default_get_stock_id;
-    iface->get_label = midori_pane_default_get_label;
-    iface->get_toolbar = midori_pane_default_get_toolbar;
-
-    initialized = TRUE;
-}
-
-/**
- * midori_pane_get_stock_id:
- * @pane: a #MidoriPane
- *
- * Retrieves the stock ID of the pane.
- *
- * Return value: a stock ID
- **/
-const gchar*
-midori_pane_get_stock_id (MidoriPane* pane)
-{
-    g_return_val_if_fail (MIDORI_IS_PANE (pane), NULL);
-
-    return MIDORI_PANE_GET_IFACE (pane)->get_stock_id (pane);
-}
-
-/**
- * midori_pane_get_label:
- * @pane: a #MidoriPane
- *
- * Retrieves the label of the pane.
- *
- * Return value: a label string
- **/
-const gchar*
-midori_pane_get_label (MidoriPane* pane)
-{
-    g_return_val_if_fail (MIDORI_IS_PANE (pane), NULL);
-
-    return MIDORI_PANE_GET_IFACE (pane)->get_label (pane);
-}
-
-/**
- * midori_pane_get_toolbar:
- * @pane: a #MidoriPane
- *
- * Retrieves the toolbar of the pane.
- *
- * Return value: a toolbar
- **/
-GtkWidget*
-midori_pane_get_toolbar (MidoriPane* pane)
-{
-    GtkWidget* toolbar;
-
-    g_return_val_if_fail (MIDORI_IS_PANE (pane), NULL);
-
-    toolbar = MIDORI_PANE_GET_IFACE (pane)->get_toolbar (pane);
-    if (!toolbar)
-        toolbar = gtk_event_box_new ();
-    return toolbar;
-}

midori/midori-pane.h

@@ -1,62 +0,0 @@
-/*
- Copyright (C) 2008 Christian Dywan <christian@twotoasts.de>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- See the file COPYING for the full license text.
-*/
-
-#ifndef __MIDORI_PANE_H__
-#define __MIDORI_PANE_H__
-
-#include <gtk/gtk.h>
-
-#include <katze/katze.h>
-
-G_BEGIN_DECLS
-
-#define MIDORI_TYPE_PANE \
-    (midori_pane_get_type ())
-#define MIDORI_PANE(obj) \
-    (G_TYPE_CHECK_INSTANCE_CAST ((obj), MIDORI_TYPE_PANE, MidoriPane))
-#define MIDORI_IS_PANE(obj) \
-    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MIDORI_TYPE_PANE))
-#define MIDORI_PANE_GET_IFACE(inst) \
-    (G_TYPE_INSTANCE_GET_INTERFACE ((inst), MIDORI_TYPE_PANE, MidoriPaneIface))
-
-typedef struct _MidoriPane                MidoriPane;
-typedef struct _MidoriPaneIface           MidoriPaneIface;
-
-struct _MidoriPaneIface
-{
-    GTypeInterface base_iface;
-
-    /* Virtual functions */
-    const gchar*
-    (*get_stock_id)           (MidoriPane*             pane);
-
-    const gchar*
-    (*get_label)              (MidoriPane*             pane);
-
-    GtkWidget*
-    (*get_toolbar)            (MidoriPane*             pane);
-};
-
-GType
-midori_pane_get_type               (void);
-
-const gchar*
-midori_pane_get_stock_id           (MidoriPane*        pane);
-
-const gchar*
-midori_pane_get_label              (MidoriPane*        pane);
-
-GtkWidget*
-midori_pane_get_toolbar            (MidoriPane*        pane);
-
-G_END_DECLS
-
-#endif /* __MIDORI_PANE_H__ */

midori/midori-panel.c

@@ -377,21 +377,21 @@ midori_panel_menu_item_activate_cb (GtkWidget*   widget,
 /**
  * midori_panel_append_page:
  * @panel: a #MidoriPanel
- * @child: the child widget
+ * @viewable: a viewable widget
  * @toolbar: a toolbar widget, or %NULL
  * @stock_id: a stock ID
  * @label: a string to use as the label
  *
  * Appends a new page to the panel. If @toolbar is specified it will
- * be packed above @child.
+ * be packed above @viewable.
  *
  * In the case of an error, -1 is returned.
  *
  * Return value: the index of the new page, or -1
  **/
 gint
-midori_panel_append_page (MidoriPanel* panel,
+midori_panel_append_page (MidoriPanel*    panel,
-                          MidoriPane*  pane)
+                          MidoriViewable* viewable)
 {
     GtkWidget* scrolled;
     GObjectClass* gobject_class;
@@ -405,10 +405,10 @@ midori_panel_append_page (MidoriPanel* panel,
     guint n;
 
     g_return_val_if_fail (MIDORI_IS_PANEL (panel), -1);
-    g_return_val_if_fail (MIDORI_IS_PANE (pane), -1);
+    g_return_val_if_fail (MIDORI_IS_VIEWABLE (viewable), -1);
 
-    if (GTK_IS_SCROLLED_WINDOW (pane))
+    if (GTK_IS_SCROLLED_WINDOW (viewable))
-        scrolled = (GtkWidget*)pane;
+        scrolled = (GtkWidget*)viewable;
     else
     {
         scrolled = gtk_scrolled_window_new (NULL, NULL);
@@ -417,26 +417,26 @@ midori_panel_append_page (MidoriPanel* panel,
                                         GTK_POLICY_AUTOMATIC);
         GTK_WIDGET_SET_FLAGS (scrolled, GTK_CAN_FOCUS);
         gtk_widget_show (scrolled);
-        gobject_class = G_OBJECT_GET_CLASS (pane);
+        gobject_class = G_OBJECT_GET_CLASS (viewable);
         if (GTK_WIDGET_CLASS (gobject_class)->set_scroll_adjustments_signal)
-            widget = (GtkWidget*)pane;
+            widget = (GtkWidget*)viewable;
         else
         {
             widget = gtk_viewport_new (NULL, NULL);
             gtk_widget_show (widget);
-            gtk_container_add (GTK_CONTAINER (widget), GTK_WIDGET (pane));
+            gtk_container_add (GTK_CONTAINER (widget), GTK_WIDGET (viewable));
         }
         gtk_container_add (GTK_CONTAINER (scrolled), widget);
     }
     gtk_container_add (GTK_CONTAINER (panel->notebook), scrolled);
 
-    toolbar = midori_pane_get_toolbar (pane);
+    toolbar = midori_viewable_get_toolbar (viewable);
     gtk_widget_show (toolbar);
     gtk_container_add (GTK_CONTAINER (panel->toolbook), toolbar);
 
     n = midori_panel_page_num (panel, scrolled);
-    label = midori_pane_get_label (pane);
+    label = midori_viewable_get_label (viewable);
-    stock_id = midori_pane_get_stock_id (pane);
+    stock_id = midori_viewable_get_stock_id (viewable);
 
     toolitem = gtk_radio_tool_button_new_from_stock (panel->group, stock_id);
     panel->group = gtk_radio_tool_button_get_group (GTK_RADIO_TOOL_BUTTON (
@@ -448,7 +448,7 @@ midori_panel_append_page (MidoriPanel* panel,
         gtk_tool_button_set_label (GTK_TOOL_BUTTON (toolitem), label);
         gtk_widget_set_tooltip_text (GTK_WIDGET (toolitem), label);
     }
-    g_object_set_data (G_OBJECT (toolitem), "page", pane);
+    g_object_set_data (G_OBJECT (toolitem), "page", viewable);
     g_signal_connect (toolitem, "clicked",
                       G_CALLBACK (midori_panel_menu_item_activate_cb), panel);
     gtk_widget_show_all (GTK_WIDGET (toolitem));
@@ -458,7 +458,7 @@ midori_panel_append_page (MidoriPanel* panel,
     {
         menuitem = gtk_image_menu_item_new_from_stock (stock_id, NULL);
         gtk_widget_show (menuitem);
-        g_object_set_data (G_OBJECT (menuitem), "page", pane);
+        g_object_set_data (G_OBJECT (menuitem), "page", viewable);
         g_object_set_data (G_OBJECT (menuitem), "toolitem", toolitem);
         g_signal_connect (menuitem, "activate",
                           G_CALLBACK (midori_panel_menu_item_activate_cb),
@@ -597,16 +597,18 @@ void
 midori_panel_set_current_page (MidoriPanel* panel,
                                gint         n)
 {
-    GtkWidget* pane;
+    GtkWidget* viewable;
 
     g_return_if_fail (MIDORI_IS_PANEL (panel));
 
     gtk_notebook_set_current_page (GTK_NOTEBOOK (panel->toolbook), n);
     gtk_notebook_set_current_page (GTK_NOTEBOOK (panel->notebook), n);
 
-    if ((pane = midori_panel_get_nth_page (panel, n)))
+    if ((viewable = midori_panel_get_nth_page (panel, n)))
     {
-        const gchar* label = midori_pane_get_label (MIDORI_PANE (pane));
+        const gchar* label;
+
+        label = midori_viewable_get_label (MIDORI_VIEWABLE (viewable));
         g_object_set (panel->toolbar_label, "label", label, NULL);
     }
 }
@@ -618,95 +620,96 @@ typedef struct
     gchar* label;
     gchar* stock_id;
     GtkWidget* toolbar;
-} MidoriDummyPane;
+} MidoriDummyViewable;
 
 typedef struct
 {
     GtkAlignmentClass parent_class;
-}  MidoriDummyPaneClass;
+}  MidoriDummyViewableClass;
 
-#define MIDORI_TYPE_DUMMY_PANE (midori_dummy_pane_get_type ())
+#define MIDORI_TYPE_DUMMY_VIEWABLE (midori_dummy_viewable_get_type ())
-#define MIDORI_DUMMY_PANE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+#define MIDORI_DUMMY_VIEWABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-    MIDORI_TYPE_DUMMY_PANE, MidoriDummyPane))
+    MIDORI_TYPE_DUMMY_VIEWABLE, MidoriDummyViewable))
-#define MIDORI_IS_DUMMY_PANE(obj) \
+#define MIDORI_IS_DUMMY_VIEWABLE(obj) \
-    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MIDORI_TYPE_DUMMY_PANE))
+    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MIDORI_TYPE_DUMMY_VIEWABLE))
 
 static void
-midori_dummy_pane_iface_init (MidoriPaneIface* iface);
+midori_dummy_viewable_iface_init (MidoriViewableIface* iface);
 
 static void
-midori_dummy_pane_finalize (GObject* object);
+midori_dummy_viewable_finalize (GObject* object);
 
-G_DEFINE_TYPE_WITH_CODE (MidoriDummyPane, midori_dummy_pane, GTK_TYPE_ALIGNMENT,
+G_DEFINE_TYPE_WITH_CODE (MidoriDummyViewable, midori_dummy_viewable,
-                         G_IMPLEMENT_INTERFACE (MIDORI_TYPE_PANE,
+                         GTK_TYPE_ALIGNMENT,
-                                                midori_dummy_pane_iface_init));
+                         G_IMPLEMENT_INTERFACE (MIDORI_TYPE_VIEWABLE,
+                                                midori_dummy_viewable_iface_init));
 
 static void
-midori_dummy_pane_class_init (MidoriDummyPaneClass* class)
+midori_dummy_viewable_class_init (MidoriDummyViewableClass* class)
 {
     GObjectClass* gobject_class;
 
     gobject_class = G_OBJECT_CLASS (class);
-    gobject_class->finalize = midori_dummy_pane_finalize;
+    gobject_class->finalize = midori_dummy_viewable_finalize;
 }
 
 static const gchar*
-midori_dummy_pane_get_label (MidoriPane* pane)
+midori_dummy_viewable_get_label (MidoriViewable* viewable)
 {
-    return MIDORI_DUMMY_PANE (pane)->label;
+    return MIDORI_DUMMY_VIEWABLE (viewable)->label;
 }
 
 static const gchar*
-midori_dummy_pane_get_stock_id (MidoriPane* pane)
+midori_dummy_viewable_get_stock_id (MidoriViewable* viewable)
 {
-    return MIDORI_DUMMY_PANE (pane)->stock_id;
+    return MIDORI_DUMMY_VIEWABLE (viewable)->stock_id;
 }
 
 static GtkWidget*
-midori_dummy_pane_get_toolbar (MidoriPane* pane)
+midori_dummy_viewable_get_toolbar (MidoriViewable* viewable)
 {
-    return MIDORI_DUMMY_PANE (pane)->toolbar;
+    return MIDORI_DUMMY_VIEWABLE (viewable)->toolbar;
 }
 
 static void
-midori_dummy_pane_iface_init (MidoriPaneIface* iface)
+midori_dummy_viewable_iface_init (MidoriViewableIface* iface)
 {
-    iface->get_stock_id = midori_dummy_pane_get_stock_id;
+    iface->get_stock_id = midori_dummy_viewable_get_stock_id;
-    iface->get_label = midori_dummy_pane_get_label;
+    iface->get_label = midori_dummy_viewable_get_label;
-    iface->get_toolbar = midori_dummy_pane_get_toolbar;
+    iface->get_toolbar = midori_dummy_viewable_get_toolbar;
 }
 
 static void
-midori_dummy_pane_init (MidoriDummyPane* pane)
+midori_dummy_viewable_init (MidoriDummyViewable* viewable)
 {
-    pane->stock_id = NULL;
+    viewable->stock_id = NULL;
-    pane->label = NULL;
+    viewable->label = NULL;
-    pane->toolbar = NULL;
+    viewable->toolbar = NULL;
 }
 
 static void
-midori_dummy_pane_finalize (GObject* object)
+midori_dummy_viewable_finalize (GObject* object)
 {
-    MidoriDummyPane* pane = MIDORI_DUMMY_PANE (object);
+    MidoriDummyViewable* viewable = MIDORI_DUMMY_VIEWABLE (object);
 
-    katze_assign (pane->stock_id, NULL);
+    katze_assign (viewable->stock_id, NULL);
-    katze_assign (pane->label, NULL);
+    katze_assign (viewable->label, NULL);
 
-    G_OBJECT_CLASS (midori_dummy_pane_parent_class)->finalize (object);
+    G_OBJECT_CLASS (midori_dummy_viewable_parent_class)->finalize (object);
 }
 
 static GtkWidget*
-midori_dummy_pane_new (const gchar* stock_id,
+midori_dummy_viewable_new (const gchar* stock_id,
                        const gchar* label,
                        GtkWidget*   toolbar)
 {
-    GtkWidget* pane = g_object_new (MIDORI_TYPE_DUMMY_PANE, NULL);
+    GtkWidget* viewable = g_object_new (MIDORI_TYPE_DUMMY_VIEWABLE, NULL);
 
-    MIDORI_DUMMY_PANE (pane)->stock_id = g_strdup (stock_id);
+    MIDORI_DUMMY_VIEWABLE (viewable)->stock_id = g_strdup (stock_id);
-    MIDORI_DUMMY_PANE (pane)->label = g_strdup (label);
+    MIDORI_DUMMY_VIEWABLE (viewable)->label = g_strdup (label);
-    MIDORI_DUMMY_PANE (pane)->toolbar = toolbar;
+    MIDORI_DUMMY_VIEWABLE (viewable)->toolbar = toolbar;
 
-    return pane;
+    return viewable;
 }
 
 /**
@@ -718,9 +721,9 @@ midori_dummy_pane_new (const gchar* stock_id,
  * @toolbar: a toolbar widget, or %NULL
  *
  * Appends an arbitrary widget to the panel by wrapping it
- * in a #MidoriPane created on the fly.
+ * in a #MidoriViewable created on the fly.
  *
- * Actually implementing #MidoriPane instead of using
+ * Actually implementing #MidoriViewable instead of using
  * this convenience is recommended.
  *
  * In the case of an error, -1 is returned.
@@ -734,7 +737,7 @@ midori_panel_append_widget (MidoriPanel* panel,
                             const gchar* label,
                             GtkWidget*   toolbar)
 {
-    GtkWidget* pane;
+    GtkWidget* viewable;
 
     g_return_val_if_fail (MIDORI_IS_PANEL (panel), -1);
     g_return_val_if_fail (GTK_IS_WIDGET (widget), -1);
@@ -742,8 +745,8 @@ midori_panel_append_widget (MidoriPanel* panel,
     g_return_val_if_fail (stock_id != NULL, -1);
     g_return_val_if_fail (!toolbar || GTK_IS_WIDGET (toolbar), -1);
 
-    pane = midori_dummy_pane_new (stock_id, label, toolbar);
+    viewable = midori_dummy_viewable_new (stock_id, label, toolbar);
-    gtk_widget_show (pane);
+    gtk_widget_show (viewable);
-    gtk_container_add (GTK_CONTAINER (pane), widget);
+    gtk_container_add (GTK_CONTAINER (viewable), widget);
-    return midori_panel_append_page (panel, MIDORI_PANE (pane));
+    return midori_panel_append_page (panel, MIDORI_VIEWABLE (viewable));
 }

midori/midori-panel.h

@@ -16,7 +16,7 @@
 
 #include <katze/katze.h>
 
-#include "midori-pane.h"
+#include "midori-viewable.h"
 
 G_BEGIN_DECLS
 
@@ -48,7 +48,7 @@ midori_panel_set_compact            (MidoriPanel*       panel,
 
 gint
 midori_panel_append_page            (MidoriPanel*       panel,
-                                     MidoriPane*        pane);
+                                     MidoriViewable*    viewable);
 
 gint
 midori_panel_get_current_page       (MidoriPanel*       panel);

midori/midori-viewable.c

@@ -0,0 +1,266 @@
+/*
+ Copyright (C) 2008 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ See the file COPYING for the full license text.
+*/
+
+#include "midori-viewable.h"
+
+#include <glib/gi18n.h>
+
+static void
+midori_viewable_base_init (MidoriViewableIface* iface);
+
+static void
+midori_viewable_base_finalize (MidoriViewableIface* iface);
+
+GType
+midori_viewable_get_type (void)
+{
+  static GType viewable_type = 0;
+
+  if (!viewable_type)
+    {
+      const GTypeInfo viewable_info =
+      {
+        sizeof (MidoriViewableIface),
+        (GBaseInitFunc)     midori_viewable_base_init,
+        (GBaseFinalizeFunc) midori_viewable_base_finalize,
+      };
+
+      viewable_type = g_type_register_static (G_TYPE_INTERFACE,
+                                              "MidoriViewable",
+                                              &viewable_info, 0);
+      g_type_interface_add_prerequisite (viewable_type, GTK_TYPE_WIDGET);
+    }
+
+  return viewable_type;
+}
+
+static const gchar*
+midori_viewable_default_get_stock_id (MidoriViewable* viewable)
+{
+    return NULL;
+}
+
+static const gchar*
+midori_viewable_default_get_label (MidoriViewable* viewable)
+{
+    return NULL;
+}
+
+static GtkWidget*
+midori_viewable_default_get_toolbar (MidoriViewable* viewable)
+{
+    return NULL;
+}
+
+static void
+midori_viewable_base_init (MidoriViewableIface* iface)
+{
+    static gboolean initialized = FALSE;
+
+    if (initialized)
+        return;
+
+    iface->p = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+    iface->get_stock_id = midori_viewable_default_get_stock_id;
+    iface->get_label = midori_viewable_default_get_label;
+    iface->get_toolbar = midori_viewable_default_get_toolbar;
+
+    initialized = TRUE;
+}
+
+static void
+midori_viewable_base_finalize (MidoriViewableIface* iface)
+{
+    g_hash_table_destroy (iface->p);
+}
+
+/**
+ * midori_viewable_new_from_uri:
+ * @uri: an URI
+ *
+ * Attempts to create a new #MidoriViewable from the specified URI.
+ *
+ * The protocol of @uri must previously have been registered by
+ * the #MidoriViewable via midori_viewable_register_protocol().
+ *
+ * Return value: a new #MidoriViewable, or %NULL
+ **/
+GtkWidget*
+midori_viewable_new_from_uri (const gchar* uri)
+{
+    MidoriViewableIface* iface;
+    gchar** parts;
+    gchar* type_name;
+    GType type;
+
+    if (!(iface = g_type_default_interface_peek (MIDORI_TYPE_VIEWABLE)))
+    {
+        g_warning ("No viewable interface available");
+        return NULL;
+    }
+
+    g_return_val_if_fail (uri != NULL, NULL);
+
+    g_debug ("size: %d", g_hash_table_size (iface->p));
+    if (!g_hash_table_size (iface->p))
+        return NULL;
+
+    if ((parts = g_strsplit (uri, "://", 2)))
+    {
+        g_debug ("%s, %s", parts[0], uri);
+        if (!(type_name = g_hash_table_lookup (iface->p, parts[0])))
+        {
+            /* FIXME: Support midori://dummy/foo */
+
+            type_name = g_hash_table_lookup (iface->p, uri);
+        }
+        g_strfreev (parts);
+        if (type_name)
+        {
+            type = g_type_from_name (type_name);
+            g_free (type_name);
+            if (type)
+                return g_object_new (type, "uri", uri, NULL);
+        }
+    }
+    else if ((parts = g_strsplit_set (uri, ":", 2)))
+    {
+        g_debug (parts[0]);
+        type_name = g_hash_table_lookup (iface->p, parts[0]);
+        g_strfreev (parts);
+        if (type_name)
+        {
+            type = g_type_from_name (type_name);
+            g_free (type_name);
+            if (type)
+                return g_object_new (type, "uri", uri, NULL);
+        }
+    }
+    return NULL;
+}
+
+static gboolean
+viewable_type_implements (GType type,
+                          GType interface)
+{
+    GType *interfaces;
+    guint i;
+
+    if (!(interfaces = g_type_interfaces (type, NULL)))
+        return FALSE;
+    for (i = 0; interfaces[i]; i++)
+    {
+        if (interfaces[i] == interface)
+        {
+            g_free (interfaces);
+            return TRUE;
+        }
+    }
+    g_free (interfaces);
+    return FALSE;
+}
+
+/**
+ * midori_viewable_register_protocol:
+ * @type: a type that implements #MidoriViewable
+ * @protocol: a protocol
+ *
+ * Registers the specified protocol as supported by @type.
+ *
+ * The following kinds of protocols are supported:
+ *
+ * "dummy":       support URIs like "dummy://foo/bar"
+ * "about:dummy": support URIs like "about:dummy"
+ * FIXME: The following is not yet fully supported
+ * "midori://dummy": support URIs like "midori://dummy/foo"
+ *
+ * Return value: a new #MidoriViewable, or %NULL
+ **/
+void
+midori_viewable_register_protocol (GType        type,
+                                   const gchar* protocol)
+{
+    MidoriViewableIface* iface;
+    GObjectClass* class;
+
+    if (!(iface = g_type_default_interface_peek (MIDORI_TYPE_VIEWABLE)))
+    {
+        g_warning ("No viewable interface available");
+        return;
+    }
+
+    g_return_if_fail (viewable_type_implements (type, MIDORI_TYPE_VIEWABLE));
+
+    if (!(class = g_type_class_peek (type)))
+    {
+        g_warning ("No class for %s available", g_type_name (type));
+        return;
+    }
+    g_return_if_fail (g_object_class_find_property (class, "uri"));
+    /* FIXME: Verify the syntax of protocol */
+
+    g_hash_table_insert (iface->p, g_strdup (protocol),
+                         g_strdup (g_type_name (type)));
+}
+
+/**
+ * midori_viewable_get_stock_id:
+ * @viewable: a #MidoriViewable
+ *
+ * Retrieves the stock ID of the viewable.
+ *
+ * Return value: a stock ID
+ **/
+const gchar*
+midori_viewable_get_stock_id (MidoriViewable* viewable)
+{
+    g_return_val_if_fail (MIDORI_IS_VIEWABLE (viewable), NULL);
+
+    return MIDORI_VIEWABLE_GET_IFACE (viewable)->get_stock_id (viewable);
+}
+
+/**
+ * midori_viewable_get_label:
+ * @viewable: a #MidoriViewable
+ *
+ * Retrieves the label of the viewable.
+ *
+ * Return value: a label string
+ **/
+const gchar*
+midori_viewable_get_label (MidoriViewable* viewable)
+{
+    g_return_val_if_fail (MIDORI_IS_VIEWABLE (viewable), NULL);
+
+    return MIDORI_VIEWABLE_GET_IFACE (viewable)->get_label (viewable);
+}
+
+/**
+ * midori_viewable_get_toolbar:
+ * @viewable: a #MidoriViewable
+ *
+ * Retrieves the toolbar of the viewable.
+ *
+ * Return value: a toolbar
+ **/
+GtkWidget*
+midori_viewable_get_toolbar (MidoriViewable* viewable)
+{
+    GtkWidget* toolbar;
+
+    g_return_val_if_fail (MIDORI_IS_VIEWABLE (viewable), NULL);
+
+    toolbar = MIDORI_VIEWABLE_GET_IFACE (viewable)->get_toolbar (viewable);
+    if (!toolbar)
+        toolbar = gtk_event_box_new ();
+    return toolbar;
+}

midori/midori-viewable.h

@@ -0,0 +1,73 @@
+/*
+ Copyright (C) 2008 Christian Dywan <christian@twotoasts.de>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ See the file COPYING for the full license text.
+*/
+
+#ifndef __MIDORI_VIEWABLE_H__
+#define __MIDORI_VIEWABLE_H__
+
+#include <gtk/gtk.h>
+
+#include <katze/katze.h>
+
+G_BEGIN_DECLS
+
+#define MIDORI_TYPE_VIEWABLE \
+    (midori_viewable_get_type ())
+#define MIDORI_VIEWABLE(obj) \
+    (G_TYPE_CHECK_INSTANCE_CAST ((obj), MIDORI_TYPE_VIEWABLE, MidoriViewable))
+#define MIDORI_IS_VIEWABLE(obj) \
+    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MIDORI_TYPE_VIEWABLE))
+#define MIDORI_VIEWABLE_GET_IFACE(inst) \
+    (G_TYPE_INSTANCE_GET_INTERFACE ((inst), MIDORI_TYPE_VIEWABLE, \
+    MidoriViewableIface))
+
+typedef struct _MidoriViewable                MidoriViewable;
+typedef struct _MidoriViewableIface           MidoriViewableIface;
+
+struct _MidoriViewableIface
+{
+    GTypeInterface base_iface;
+
+    /* Virtual functions */
+    const gchar*
+    (*get_stock_id)           (MidoriViewable*             viewable);
+
+    const gchar*
+    (*get_label)              (MidoriViewable*             viewable);
+
+    GtkWidget*
+    (*get_toolbar)            (MidoriViewable*             viewable);
+
+    /* Private data */
+    gpointer p;
+};
+
+GType
+midori_viewable_get_type               (void);
+
+GtkWidget*
+midori_viewable_new_from_uri           (const gchar*           uri);
+
+void
+midori_viewable_register_protocol      (GType                  type,
+                                        const gchar*           protocol);
+
+const gchar*
+midori_viewable_get_stock_id           (MidoriViewable*        viewable);
+
+const gchar*
+midori_viewable_get_label              (MidoriViewable*        viewable);
+
+GtkWidget*
+midori_viewable_get_toolbar            (MidoriViewable*        viewable);
+
+G_END_DECLS
+
+#endif /* __MIDORI_VIEWABLE_H__ */

midori/midori.h

@@ -19,13 +19,13 @@
 #include "midori-extension.h"
 #include "midori-locationaction.h"
 #include "midori-locationentry.h"
-#include "midori-pane.h"
 #include "midori-panel.h"
 #include "midori-preferences.h"
 #include "midori-searchaction.h"
 #include "midori-source.h"
 #include "midori-stock.h"
 #include "midori-view.h"
+#include "midori-viewable.h"
 #include "midori-websettings.h"
 
 /* For convenience, include localization header */