[gthumb/ext] added missing files

[Paolo Bacchilega <paobac src gnome org>]

commit 46e6ff9527d97df069460bd9f277f7474742e8fc
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Nov 7 01:51:13 2009 +0100

    added missing files

 extensions/gstreamer/actions.c |  210 ++++++++++++++++++++++++++++++++++++++++
 extensions/gstreamer/actions.h |   32 ++++++
 2 files changed, 242 insertions(+), 0 deletions(-)
---
diff --git a/extensions/gstreamer/actions.c b/extensions/gstreamer/actions.c
new file mode 100644
index 0000000..0339fe4
--- /dev/null
+++ b/extensions/gstreamer/actions.c
@@ -0,0 +1,210 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ *  GThumb
+ *
+ *  Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ *  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 of the License, 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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ */
+
+
+#include <config.h>
+#include <glib/gi18n.h>
+#include <gst/gst.h>
+#include <gthumb.h>
+#include "gstreamer-utils.h"
+#include "gth-media-viewer-page.h"
+#include "preferences.h"
+
+#define MAX_ATTEMPTS 1024
+
+
+/* -- media_viewer_activate_action_screenshot -- */
+
+
+typedef struct {
+	GthBrowser         *browser;
+	GthMediaViewerPage *page;
+	gboolean            playing_before_screenshot;
+	GdkPixbuf          *pixbuf;
+	GthFileData        *file_data;
+} SaveData;
+
+
+static void
+save_date_free (SaveData *save_data)
+{
+	_g_object_unref (save_data->file_data);
+	_g_object_unref (save_data->pixbuf);
+	g_free (save_data);
+}
+
+
+static void
+screenshot_saved_cb (GthFileData *file_data,
+		     GError      *error,
+		     gpointer     user_data)
+{
+	SaveData           *save_data = user_data;
+	GthMediaViewerPage *page = save_data->page;
+
+	if (error != NULL)
+		_gtk_error_dialog_from_gerror_show (GTK_WINDOW (save_data->browser), _("Could not save the file"), &error);
+	else if (save_data->playing_before_screenshot)
+		gst_element_set_state (gth_media_viewer_page_get_playbin (page), GST_STATE_PLAYING);
+
+	save_date_free (save_data);
+}
+
+
+static void
+save_as_response_cb (GtkDialog  *file_sel,
+		     int         response,
+		     SaveData   *save_data)
+{
+	GFile       *file;
+	GFile       *folder;
+	char        *folder_uri;
+	const char  *mime_type;
+
+	if (response != GTK_RESPONSE_OK) {
+		GthMediaViewerPage *page = save_data->page;
+
+		if (save_data->playing_before_screenshot)
+			gst_element_set_state (gth_media_viewer_page_get_playbin (page), GST_STATE_PLAYING);
+		save_date_free (save_data);
+		gtk_widget_destroy (GTK_WIDGET (file_sel));
+		return;
+	}
+
+	if (! gth_file_chooser_dialog_get_file (GTH_FILE_CHOOSER_DIALOG (file_sel), &file, &mime_type))
+		return;
+
+	folder = g_file_get_parent (file);
+	folder_uri = g_file_get_uri (folder);
+	eel_gconf_set_string (PREF_GSTREAMER_SCREESHOT_LOCATION, folder_uri);
+
+	save_data->file_data = gth_file_data_new (file, NULL);
+	gth_file_data_set_mime_type (save_data->file_data, mime_type);
+	_gdk_pixbuf_save_async (save_data->pixbuf,
+				save_data->file_data,
+				mime_type,
+				screenshot_saved_cb,
+				save_data);
+
+	gtk_widget_destroy (GTK_WIDGET (file_sel));
+
+	g_free (folder_uri);
+	g_object_unref (folder);
+	g_object_unref (file);
+}
+
+
+static void
+screenshot_ready_cb (GdkPixbuf *pixbuf,
+		     gpointer   user_data)
+{
+	SaveData  *save_data = user_data;
+	GtkWidget *file_sel;
+
+	if (pixbuf == NULL) {
+		_gtk_error_dialog_from_gerror_show (GTK_WINDOW (save_data->browser), _("Could not take a screenshot"), NULL);
+		save_date_free (save_data);
+		return;
+	}
+
+	save_data->pixbuf = pixbuf;
+	file_sel = gth_file_chooser_dialog_new (_("Save Image"), GTK_WINDOW (save_data->browser), "pixbuf-saver");
+
+	{
+		char        *last_uri;
+		GFile       *last_folder;
+		GthFileData *file_data;
+		char        *prefix;
+		char        *display_name;
+		int          attempt;
+
+		last_uri = eel_gconf_get_string (PREF_GSTREAMER_SCREESHOT_LOCATION, "~");
+		if ((last_uri == NULL) || (strcmp (last_uri, "~") == 0))
+			last_folder = g_file_new_for_path (g_get_user_special_dir (G_USER_DIRECTORY_DESKTOP));
+		else
+			last_folder = g_file_new_for_uri (last_uri);
+		gtk_file_chooser_set_current_folder_file (GTK_FILE_CHOOSER (file_sel), last_folder, NULL);
+
+		file_data = gth_media_viewer_page_get_file_data (save_data->page);
+		prefix = _g_utf8_remove_extension (g_file_info_get_display_name (file_data->info));
+		if (prefix == NULL)
+			prefix = g_strdup (C_("Filename", "Screenshot"));
+		display_name = NULL;
+		for (attempt = 1; attempt < MAX_ATTEMPTS; attempt++) {
+			GFile *proposed_file;
+
+			g_free (display_name);
+
+			display_name = g_strdup_printf ("%s-%02d.jpeg", prefix, attempt);
+			proposed_file = g_file_get_child_for_display_name (last_folder, display_name, NULL);
+			if ((proposed_file != NULL) && ! g_file_query_exists (proposed_file, NULL)) {
+				g_object_unref (proposed_file);
+				break;
+			}
+		}
+
+		if (display_name != NULL) {
+			gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (file_sel), display_name);
+			g_free (display_name);
+		}
+
+		g_free (prefix);
+		g_object_unref (last_folder);
+		g_free (last_uri);
+	}
+
+	g_signal_connect (GTK_DIALOG (file_sel),
+			  "response",
+			  G_CALLBACK (save_as_response_cb),
+			  save_data);
+
+	gtk_widget_show (file_sel);
+}
+
+
+void
+media_viewer_activate_action_screenshot (GtkAction          *action,
+				         GthMediaViewerPage *page)
+{
+	GstElement *playbin;
+	SaveData   *save_data;
+	int         video_fps_n;
+	int         video_fps_d;
+
+	playbin = gth_media_viewer_page_get_playbin (page);
+	if (playbin == NULL)
+		return;
+
+	save_data = g_new0 (SaveData, 1);
+	save_data->browser = gth_media_viewer_page_get_browser (page);
+	save_data->page = page;
+	save_data->playing_before_screenshot = gth_media_viewer_page_is_playing (page);
+
+	if (save_data->playing_before_screenshot)
+		gst_element_set_state (playbin, GST_STATE_PAUSED);
+	gth_media_viewer_page_get_video_fps (page, &video_fps_n, &video_fps_d);
+	_gst_playbin_get_current_frame (playbin,
+					video_fps_n,
+					video_fps_d,
+					screenshot_ready_cb,
+					save_data);
+}
diff --git a/extensions/gstreamer/actions.h b/extensions/gstreamer/actions.h
new file mode 100644
index 0000000..52a7759
--- /dev/null
+++ b/extensions/gstreamer/actions.h
@@ -0,0 +1,32 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ *  GThumb
+ *
+ *  Copyright (C) 2009 Free Software Foundation, Inc.
+ *
+ *  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 of the License, 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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef ACTIONS_H
+#define ACTIONS_H
+
+#include <gtk/gtk.h>
+
+#define DEFINE_ACTION(x) void x (GtkAction *action, gpointer data);
+
+DEFINE_ACTION(media_viewer_activate_action_screenshot)
+
+#endif /* ACTIONS_H */