Add a service for snapshotting webpages

This service provides pixbufs for URLs while caching these locally as
thumbnails. gnome-desktop-thumbnail is used to handle caching.

https://bugzilla.gnome.org/show_bug.cgi?id=668578

1 files changed, 94 insertions, 0 deletions

diff --git a/lib/ephy-snapshot-service.h b/lib/ephy-snapshot-service.h
new file mode 100644
index 000000000..4de9745aa
--- /dev/null
+++ b/lib/ephy-snapshot-service.h
@@ -0,0 +1,94 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ *  Copyright © 2012 Igalia S.L.
+ *
+ *  This program 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; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program 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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef _EPHY_SNAPSHOT_SERVICE_H
+#define _EPHY_SNAPSHOT_SERVICE_H
+
+#include <gtk/gtk.h>
+#ifdef HAVE_WEBKIT2
+#include <webkit2/webkit2.h>
+#else
+#include <webkit/webkit.h>
+#endif
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define EPHY_TYPE_SNAPSHOT_SERVICE            (ephy_snapshot_service_get_type())
+#define EPHY_SNAPSHOT_SERVICE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), EPHY_TYPE_SNAPSHOT_SERVICE, EphySnapshotService))
+#define EPHY_SNAPSHOT_SERVICE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), EPHY_TYPE_SNAPSHOT_SERVICE, EphySnapshotServiceClass))
+#define EPHY_IS_SNAPSHOT_SERVICE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EPHY_TYPE_SNAPSHOT_SERVICE))
+#define EPHY_IS_SNAPSHOT_SERVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EPHY_TYPE_SNAPSHOT_SERVICE))
+#define EPHY_SNAPSHOT_SERVICE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), EPHY_TYPE_SNAPSHOT_SERVICE, EphySnapshotServiceClass))
+
+typedef struct _EphySnapshotService        EphySnapshotService;
+typedef struct _EphySnapshotServiceClass   EphySnapshotServiceClass;
+typedef struct _EphySnapshotServicePrivate EphySnapshotServicePrivate;
+
+struct _EphySnapshotService
+{
+  GObject parent;
+
+  /*< private >*/
+  EphySnapshotServicePrivate *priv;
+};
+
+struct _EphySnapshotServiceClass
+{
+  GObjectClass parent_class;
+};
+
+/* Values taken from the Web mockups. */
+#define EPHY_THUMBNAIL_WIDTH 172
+#define EPHY_THUMBNAIL_HEIGHT 172
+
+typedef void (* EphySnapshotServiceCallback) (GdkPixbuf *snapshot,
+                                              gpointer user_data);
+
+GType                ephy_snapshot_service_get_type (void) G_GNUC_CONST;
+
+EphySnapshotService *ephy_snapshot_service_get_default (void);
+
+void ephy_snapshot_service_get_snapshot_async (EphySnapshotService *service,
+                                               WebKitWebView *webview,
+                                               const char *url,
+                                               const time_t mtime,
+                                               GCancellable *cancellable,
+                                               GAsyncReadyCallback callback,
+                                               gpointer user_data);
+
+GdkPixbuf * ephy_snapshot_service_get_snapshot_finish (EphySnapshotService *service,
+                                                       GAsyncResult *result,
+                                                       GError **error);
+
+void ephy_snapshot_service_save_snapshot_async (EphySnapshotService *service,
+                                                GdkPixbuf *snapshot,
+                                                const char *url,
+                                                time_t mtime,
+                                                GCancellable *cancellable,
+                                                GAsyncReadyCallback callback,
+                                                gpointer user_data);
+
+GdkPixbuf*  ephy_snapshot_service_crop_snapshot (cairo_surface_t *surface);
+
+G_END_DECLS
+
+#endif /* _EPHY_SNAPSHOT_SERVICE_H */