diff options
Diffstat (limited to '')
6 files changed, 737 insertions, 0 deletions
diff --git a/extensions/image-properties/meson.build b/extensions/image-properties/meson.build new file mode 100644 index 0000000..f5ea1ad --- /dev/null +++ b/extensions/image-properties/meson.build @@ -0,0 +1,16 @@ +shared_module ( + 'nautilus-image-properties', [ + 'nautilus-image-properties-module.c', + 'nautilus-image-properties-model.c', + 'nautilus-image-properties-model.h', + 'nautilus-image-properties-model-provider.c', + 'nautilus-image-properties-model-provider.h' + ], + dependencies: [ + gexiv, + gdkpixbuf, + nautilus_extension + ], + install: true, + install_dir: extensiondir +) diff --git a/extensions/image-properties/nautilus-image-properties-model-provider.c b/extensions/image-properties/nautilus-image-properties-model-provider.c new file mode 100644 index 0000000..c64178f --- /dev/null +++ b/extensions/image-properties/nautilus-image-properties-model-provider.c @@ -0,0 +1,127 @@ +/* Copyright (C) 2004 Red Hat, Inc + * Copyright (c) 2007 Novell, Inc. + * Copyright (c) 2017 Thomas Bechtold <thomasbechtold@jpberlin.de> + * Copyright (c) 2018 Ernestas Kulik <ernestask@gnome.org> + * + * 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, see <http://www.gnu.org/licenses/>. + * + * Author: Alexander Larsson <alexl@redhat.com> + * XMP support by Hubert Figuiere <hfiguiere@novell.com> + */ + +#include "nautilus-image-properties-model-provider.h" + +#include "nautilus-image-properties-model.h" + +#include <nautilus-extension.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +struct _NautilusImagesPropertiesModelProvider +{ + GObject parent_instance; +}; + +static void properties_group_provider_iface_init (NautilusPropertiesModelProviderInterface *iface); + +G_DEFINE_DYNAMIC_TYPE_EXTENDED (NautilusImagesPropertiesModelProvider, + nautilus_image_properties_model_provider, + G_TYPE_OBJECT, + 0, + G_IMPLEMENT_INTERFACE_DYNAMIC (NAUTILUS_TYPE_PROPERTIES_MODEL_PROVIDER, + properties_group_provider_iface_init)) + +static gboolean +is_mime_type_supported (const char *mime_type) +{ + g_autoptr (GSList) formats = NULL; + + if (mime_type == NULL) + { + return FALSE; + } + + formats = gdk_pixbuf_get_formats (); + + for (GSList *l = formats; l != NULL; l = l->next) + { + g_auto (GStrv) mime_types = NULL; + + mime_types = gdk_pixbuf_format_get_mime_types (l->data); + if (mime_types == NULL) + { + continue; + } + + if (g_strv_contains ((const char * const *) mime_types, mime_type)) + { + return TRUE; + } + } + + return FALSE; +} + +static GList * +get_models (NautilusPropertiesModelProvider *provider, + GList *files) +{ + NautilusFileInfo *file_info; + g_autofree char *mime_type = NULL; + NautilusPropertiesModel *properties_group; + + if (files == NULL || files->next != NULL) + { + return NULL; + } + + file_info = NAUTILUS_FILE_INFO (files->data); + mime_type = nautilus_file_info_get_mime_type (file_info); + if (!is_mime_type_supported (mime_type)) + { + return NULL; + } + properties_group = nautilus_image_properties_model_new (file_info); + + return g_list_prepend (NULL, properties_group); +} + +static void +properties_group_provider_iface_init (NautilusPropertiesModelProviderInterface *iface) +{ + iface->get_models = get_models; +} + +static void +nautilus_image_properties_model_provider_init (NautilusImagesPropertiesModelProvider *self) +{ + (void) self; +} + +static void +nautilus_image_properties_model_provider_class_init (NautilusImagesPropertiesModelProviderClass *klass) +{ + (void) klass; +} + +static void +nautilus_image_properties_model_provider_class_finalize (NautilusImagesPropertiesModelProviderClass *klass) +{ + (void) klass; +} + +void +nautilus_image_properties_model_provider_load (GTypeModule *module) +{ + nautilus_image_properties_model_provider_register_type (module); +} diff --git a/extensions/image-properties/nautilus-image-properties-model-provider.h b/extensions/image-properties/nautilus-image-properties-model-provider.h new file mode 100644 index 0000000..f56b939 --- /dev/null +++ b/extensions/image-properties/nautilus-image-properties-model-provider.h @@ -0,0 +1,30 @@ +/* Copyright (C) 2018 Ernestas Kulik <ernestask@gnome.org> + * + * This file is part of Nautilus. + * + * Nautilus 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. + * + * Nautilus 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 Nautilus. If not, see <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#include <glib-object.h> + +#define NAUTILUS_TYPE_IMAGE_PROPERTIES_MODEL_PROVIDER (nautilus_image_properties_model_provider_get_type ()) + +G_DECLARE_FINAL_TYPE (NautilusImagesPropertiesModelProvider, + nautilus_image_properties_model_provider, + NAUTILUS, IMAGE_PROPERTIES_MODEL_PROVIDER, + GObject) + +void nautilus_image_properties_model_provider_load (GTypeModule *module); diff --git a/extensions/image-properties/nautilus-image-properties-model.c b/extensions/image-properties/nautilus-image-properties-model.c new file mode 100644 index 0000000..930a910 --- /dev/null +++ b/extensions/image-properties/nautilus-image-properties-model.c @@ -0,0 +1,487 @@ +/* Copyright (C) 2004 Red Hat, Inc + * Copyright (c) 2007 Novell, Inc. + * Copyright (c) 2017 Thomas Bechtold <thomasbechtold@jpberlin.de> + * + * 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, see <http://www.gnu.org/licenses/>. + * + * Author: Alexander Larsson <alexl@redhat.com> + * XMP support by Hubert Figuiere <hfiguiere@novell.com> + */ + +#include "nautilus-image-properties-model.h" + +#include <gexiv2/gexiv2.h> +#include <glib/gi18n.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +#include <math.h> + +#define LOAD_BUFFER_SIZE 8192 + +typedef struct +{ + GListStore *group_model; + + GCancellable *cancellable; + GdkPixbufLoader *loader; + gboolean got_size; + gboolean pixbuf_still_loading; + unsigned char buffer[LOAD_BUFFER_SIZE]; + int width; + int height; + + GExiv2Metadata *md; + gboolean md_ready; +} NautilusImagesPropertiesModel; + +static void +nautilus_images_properties_model_free (NautilusImagesPropertiesModel *self) +{ + if (self->cancellable != NULL) + { + g_cancellable_cancel (self->cancellable); + g_clear_object (&self->cancellable); + } + g_free (self); +} + +static void +append_item (NautilusImagesPropertiesModel *self, + const char *name, + const char *value) +{ + g_autoptr (NautilusPropertiesItem) item = NULL; + + item = nautilus_properties_item_new (name, value); + g_list_store_append (self->group_model, item); +} + +static void +nautilus_image_properties_model_init (NautilusImagesPropertiesModel *self) +{ + self->group_model = g_list_store_new (NAUTILUS_TYPE_PROPERTIES_ITEM); +} + +static void +append_basic_info (NautilusImagesPropertiesModel *self) +{ + GdkPixbufFormat *format; + GExiv2Orientation orientation; + int width; + int height; + g_autofree char *name = NULL; + g_autofree char *desc = NULL; + g_autofree char *value = NULL; + + format = gdk_pixbuf_loader_get_format (self->loader); + name = gdk_pixbuf_format_get_name (format); + desc = gdk_pixbuf_format_get_description (format); + value = g_strdup_printf ("%s (%s)", name, desc); + + append_item (self, _("Image Type"), value); + + orientation = gexiv2_metadata_try_get_orientation (self->md, NULL); + + if (orientation == GEXIV2_ORIENTATION_ROT_90 + || orientation == GEXIV2_ORIENTATION_ROT_270 + || orientation == GEXIV2_ORIENTATION_ROT_90_HFLIP + || orientation == GEXIV2_ORIENTATION_ROT_90_VFLIP) + { + width = self->height; + height = self->width; + } + else + { + width = self->width; + height = self->height; + } + + g_free (value); + value = g_strdup_printf (ngettext ("%d pixel", + "%d pixels", + width), + width); + + append_item (self, _("Width"), value); + + g_free (value); + value = g_strdup_printf (ngettext ("%d pixel", + "%d pixels", + height), + height); + + append_item (self, _("Height"), value); +} + +static void +append_gexiv2_tag (NautilusImagesPropertiesModel *self, + const char **tag_names, + const char *description) +{ + g_assert (tag_names != NULL); + + for (const char **i = tag_names; *i != NULL; i++) + { + if (gexiv2_metadata_try_has_tag (self->md, *i, NULL)) + { + g_autofree char *tag_value = NULL; + + tag_value = gexiv2_metadata_try_get_tag_interpreted_string (self->md, *i, NULL); + + if (description == NULL) + { + description = gexiv2_metadata_try_get_tag_description (*i, NULL); + } + + /* don't add empty tags - try next one */ + if (strlen (tag_value) > 0) + { + append_item (self, description, tag_value); + break; + } + } + } +} + +static void +append_gexiv2_info (NautilusImagesPropertiesModel *self) +{ + double longitude; + double latitude; + double altitude; + + /* define tags and its alternatives */ + const char *title[] = { "Xmp.dc.title", NULL }; + const char *camera_brand[] = { "Exif.Image.Make", NULL }; + const char *camera_model[] = { "Exif.Image.Model", "Exif.Image.UniqueCameraModel", NULL }; + const char *created_on[] = { "Exif.Photo.DateTimeOriginal", "Xmp.xmp.CreateDate", "Exif.Image.DateTime", NULL }; + const char *exposure_time[] = { "Exif.Photo.ExposureTime", NULL }; + const char *aperture_value[] = { "Exif.Photo.ApertureValue", NULL }; + const char *iso_speed_ratings[] = { "Exif.Photo.ISOSpeedRatings", "Xmp.exifEX.ISOSpeed", NULL }; + const char *flash[] = { "Exif.Photo.Flash", NULL }; + const char *metering_mode[] = { "Exif.Photo.MeteringMode", NULL }; + const char *exposure_mode[] = { "Exif.Photo.ExposureMode", NULL }; + const char *focal_length[] = { "Exif.Photo.FocalLength", NULL }; + const char *software[] = { "Exif.Image.Software", NULL }; + const char *description[] = { "Xmp.dc.description", "Exif.Photo.UserComment", NULL }; + const char *subject[] = { "Xmp.dc.subject", NULL }; + const char *creator[] = { "Xmp.dc.creator", "Exif.Image.Artist", NULL }; + const char *rights[] = { "Xmp.dc.rights", NULL }; + const char *rating[] = { "Xmp.xmp.Rating", NULL }; + + if (!self->md_ready) + { + return; + } + + append_gexiv2_tag (self, camera_brand, _("Camera Brand")); + append_gexiv2_tag (self, camera_model, _("Camera Model")); + append_gexiv2_tag (self, exposure_time, _("Exposure Time")); + append_gexiv2_tag (self, exposure_mode, _("Exposure Program")); + append_gexiv2_tag (self, aperture_value, _("Aperture Value")); + append_gexiv2_tag (self, iso_speed_ratings, _("ISO Speed Rating")); + append_gexiv2_tag (self, flash, _("Flash Fired")); + append_gexiv2_tag (self, metering_mode, _("Metering Mode")); + append_gexiv2_tag (self, focal_length, _("Focal Length")); + append_gexiv2_tag (self, software, _("Software")); + append_gexiv2_tag (self, title, _("Title")); + append_gexiv2_tag (self, description, _("Description")); + append_gexiv2_tag (self, subject, _("Keywords")); + append_gexiv2_tag (self, creator, _("Creator")); + append_gexiv2_tag (self, created_on, _("Created On")); + append_gexiv2_tag (self, rights, _("Copyright")); + append_gexiv2_tag (self, rating, _("Rating")); + + if (gexiv2_metadata_try_get_gps_info (self->md, &longitude, &latitude, &altitude, NULL)) + { + g_autofree char *gps_coords = NULL; + + gps_coords = g_strdup_printf ("%f° %s %f° %s (%.0f m)", + fabs (latitude), + /* Translators: "N" and "S" stand for + * north and south in GPS coordinates. */ + latitude >= 0 ? _("N") : _("S"), + fabs (longitude), + /* Translators: "E" and "W" stand for + * east and west in GPS coordinates. */ + longitude >= 0 ? _("E") : _("W"), + altitude); + + append_item (self, _("Coordinates"), gps_coords); + } +} + +static void +load_finished (NautilusImagesPropertiesModel *self) +{ + if (self->loader != NULL) + { + gdk_pixbuf_loader_close (self->loader, NULL); + } + + if (self->got_size) + { + append_basic_info (self); + append_gexiv2_info (self); + } + else + { + append_item (self, _("Oops! Something went wrong."), _("Failed to load image information")); + } + + if (self->loader != NULL) + { + g_object_unref (self->loader); + self->loader = NULL; + } + self->md_ready = FALSE; + g_clear_object (&self->md); +} + +static void +file_close_callback (GObject *object, + GAsyncResult *res, + gpointer data) +{ + NautilusImagesPropertiesModel *self; + GInputStream *stream; + + self = data; + stream = G_INPUT_STREAM (object); + + g_input_stream_close_finish (stream, res, NULL); + + g_clear_object (&self->cancellable); +} + +static void +file_read_callback (GObject *object, + GAsyncResult *res, + gpointer data) +{ + NautilusImagesPropertiesModel *self; + GInputStream *stream; + g_autoptr (GError) error = NULL; + gssize count_read; + gboolean done_reading; + + self = data; + stream = G_INPUT_STREAM (object); + count_read = g_input_stream_read_finish (stream, res, &error); + done_reading = FALSE; + + if (count_read > 0) + { + g_assert (count_read <= sizeof (self->buffer)); + + if (self->pixbuf_still_loading) + { + if (!gdk_pixbuf_loader_write (self->loader, + self->buffer, + count_read, + NULL)) + { + self->pixbuf_still_loading = FALSE; + } + } + + if (self->pixbuf_still_loading) + { + g_input_stream_read_async (G_INPUT_STREAM (stream), + self->buffer, + sizeof (self->buffer), + G_PRIORITY_DEFAULT, + self->cancellable, + file_read_callback, + self); + } + else + { + done_reading = TRUE; + } + } + else + { + /* either EOF, cancelled or an error occurred */ + done_reading = TRUE; + } + + if (error != NULL) + { + g_autofree char *uri = NULL; + + uri = g_file_get_uri (G_FILE (object)); + + g_warning ("Error reading %s: %s", uri, error->message); + } + + if (done_reading) + { + load_finished (self); + g_input_stream_close_async (stream, + G_PRIORITY_DEFAULT, + self->cancellable, + file_close_callback, + self); + } +} + +static void +size_prepared_callback (GdkPixbufLoader *loader, + int width, + int height, + gpointer callback_data) +{ + NautilusImagesPropertiesModel *self; + + self = callback_data; + + self->height = height; + self->width = width; + self->got_size = TRUE; + self->pixbuf_still_loading = FALSE; +} + +typedef struct +{ + NautilusImagesPropertiesModel *self; + NautilusFileInfo *file_info; +} FileOpenData; + +static void +file_open_callback (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autofree FileOpenData *data = NULL; + NautilusImagesPropertiesModel *self; + GFile *file; + g_autofree char *uri = NULL; + g_autoptr (GError) error = NULL; + g_autoptr (GFileInputStream) stream = NULL; + + data = user_data; + self = data->self; + file = G_FILE (object); + uri = g_file_get_uri (file); + stream = g_file_read_finish (file, res, &error); + if (stream != NULL) + { + g_autofree char *mime_type = NULL; + + mime_type = nautilus_file_info_get_mime_type (data->file_info); + + self->loader = gdk_pixbuf_loader_new_with_mime_type (mime_type, &error); + if (error != NULL) + { + g_warning ("Error creating loader for %s: %s", uri, error->message); + } + self->pixbuf_still_loading = TRUE; + self->width = 0; + self->height = 0; + + g_signal_connect (self->loader, + "size-prepared", + G_CALLBACK (size_prepared_callback), + self); + + g_input_stream_read_async (G_INPUT_STREAM (stream), + self->buffer, + sizeof (self->buffer), + G_PRIORITY_DEFAULT, + self->cancellable, + file_read_callback, + self); + } + else + { + g_warning ("Error reading %s: %s", uri, error->message); + load_finished (self); + } +} + +static void +nautilus_image_properties_model_load_from_file_info (NautilusImagesPropertiesModel *self, + NautilusFileInfo *file_info) +{ + g_autofree char *uri = NULL; + g_autoptr (GFile) file = NULL; + g_autofree char *path = NULL; + FileOpenData *data; + + g_return_if_fail (file_info != NULL); + + self->cancellable = g_cancellable_new (); + + uri = nautilus_file_info_get_uri (file_info); + file = g_file_new_for_uri (uri); + path = g_file_get_path (file); + + /* gexiv2 metadata init */ + self->md_ready = gexiv2_initialize (); + if (!self->md_ready) + { + g_warning ("Unable to initialize gexiv2"); + } + else + { + self->md = gexiv2_metadata_new (); + if (path != NULL) + { + g_autoptr (GError) error = NULL; + + if (!gexiv2_metadata_open_path (self->md, path, &error)) + { + g_warning ("gexiv2 metadata not supported for '%s': %s", path, error->message); + self->md_ready = FALSE; + } + } + else + { + self->md_ready = FALSE; + } + } + + data = g_new0 (FileOpenData, 1); + + data->self = self; + data->file_info = file_info; + + g_file_read_async (file, + G_PRIORITY_DEFAULT, + self->cancellable, + file_open_callback, + data); +} + +NautilusPropertiesModel * +nautilus_image_properties_model_new (NautilusFileInfo *file_info) +{ + NautilusImagesPropertiesModel *self; + NautilusPropertiesModel *model; + + self = g_new0 (NautilusImagesPropertiesModel, 1); + + nautilus_image_properties_model_init (self); + nautilus_image_properties_model_load_from_file_info (self, file_info); + + model = nautilus_properties_model_new (_("Image Properties"), + G_LIST_MODEL (self->group_model)); + + g_object_weak_ref (G_OBJECT (model), + (GWeakNotify) nautilus_images_properties_model_free, + self); + + return model; +} diff --git a/extensions/image-properties/nautilus-image-properties-model.h b/extensions/image-properties/nautilus-image-properties-model.h new file mode 100644 index 0000000..673c8e6 --- /dev/null +++ b/extensions/image-properties/nautilus-image-properties-model.h @@ -0,0 +1,23 @@ +/* Copyright (C) 2004 Red Hat, 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, see <http://www.gnu.org/licenses/>. + * + * Author: Alexander Larsson <alexl@redhat.com> + */ + +#pragma once + +#include <nautilus-extension.h> + +NautilusPropertiesModel * nautilus_image_properties_model_new (NautilusFileInfo *file_info); diff --git a/extensions/image-properties/nautilus-image-properties-module.c b/extensions/image-properties/nautilus-image-properties-module.c new file mode 100644 index 0000000..1c0f15e --- /dev/null +++ b/extensions/image-properties/nautilus-image-properties-module.c @@ -0,0 +1,54 @@ +/* Copyright (C) 2018 Ernestas Kulik <ernestask@gnome.org> + * + * This file is part of Nautilus. + * + * Nautilus 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. + * + * Nautilus 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 Nautilus. If not, see <https://www.gnu.org/licenses/>. + */ + +#include <config.h> + +#include "nautilus-image-properties-model-provider.h" + +#include <glib/gi18n-lib.h> + +#include <nautilus-extension.h> + +void +nautilus_module_initialize (GTypeModule *module) +{ + bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); + + nautilus_image_properties_model_provider_load (module); +} + +void +nautilus_module_shutdown (void) +{ +} + +void +nautilus_module_list_types (const GType **types, + int *num_types) +{ + static GType type_list[1] = { 0 }; + + g_assert (types != NULL); + g_assert (num_types != NULL); + + type_list[0] = NAUTILUS_TYPE_IMAGE_PROPERTIES_MODEL_PROVIDER; + + *types = type_list; + *num_types = G_N_ELEMENTS (type_list); +} |