EomExifDetails: Rename to EomMetadataDetails

The widget is not specific to Exif, and is used for XMP as well.

https://bugzilla.gnome.org/show_bug.cgi?id=509406

origin commit:
https://gitlab.gnome.org/GNOME/eog/commit/2969a58

Plus a clean up, tabs to spaces for eom-metadata-details.c/h

1 files changed, 665 insertions, 0 deletions

diff --git a/src/eom-metadata-details.c b/src/eom-metadata-details.c
new file mode 100644
index 0000000..ebb63bb
--- /dev/null
+++ b/src/eom-metadata-details.c
@@ -0,0 +1,665 @@
+/* Eye Of Mate - EOM Metadata Details
+ *
+ * Copyright (C) 2006 The Free Software Foundation
+ *
+ * Author: Lucas Rocha <[email protected]>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "eom-metadata-details.h"
+#include "eom-util.h"
+
+#if HAVE_EXIF
+#include <libexif/exif-entry.h>
+#include <libexif/exif-utils.h>
+#endif
+#if HAVE_EXEMPI
+#include <exempi/xmp.h>
+#include <exempi/xmpconsts.h>
+#endif
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include <string.h>
+
+typedef enum {
+    EXIF_CATEGORY_CAMERA,
+    EXIF_CATEGORY_IMAGE_DATA,
+    EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS,
+    EXIF_CATEGORY_GPS_DATA,
+    EXIF_CATEGORY_MAKER_NOTE,
+    EXIF_CATEGORY_OTHER,
+#ifdef HAVE_EXEMPI
+    XMP_CATEGORY_EXIF,
+    XMP_CATEGORY_IPTC,
+    XMP_CATEGORY_RIGHTS,
+    XMP_CATEGORY_OTHER
+#endif
+} MetadataCategory;
+
+typedef struct {
+    char *label;
+    char *path;
+} ExifCategoryInfo;
+
+static ExifCategoryInfo exif_categories[] = {
+    { N_("Camera"),                  "0" },
+    { N_("Image Data"),              "1" },
+    { N_("Image Taking Conditions"), "2" },
+    { N_("GPS Data"),                "3" },
+    { N_("Maker Note"),              "4" },
+    { N_("Other"),                   "5" },
+#ifdef HAVE_EXEMPI
+    { N_("XMP Exif"),                "6" },
+    { N_("XMP IPTC"),                "7" },
+    { N_("XMP Rights Management"),   "8" },
+    { N_("XMP Other"),               "9" },
+#endif
+    { NULL, NULL }
+};
+
+typedef struct {
+    int id;
+    MetadataCategory category;
+} ExifTagCategory;
+
+#ifdef HAVE_EXIF
+static ExifTagCategory exif_tag_category_map[] = {
+    { EXIF_TAG_INTEROPERABILITY_INDEX,       EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_INTEROPERABILITY_VERSION,     EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_IMAGE_WIDTH,                  EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_IMAGE_LENGTH,                 EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_BITS_PER_SAMPLE,              EXIF_CATEGORY_CAMERA },
+    { EXIF_TAG_COMPRESSION,                  EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_PHOTOMETRIC_INTERPRETATION,   EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_FILL_ORDER,                   EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_DOCUMENT_NAME,                EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_IMAGE_DESCRIPTION,            EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_MAKE,                         EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_MODEL,                        EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_STRIP_OFFSETS,                EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_ORIENTATION,                  EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_SAMPLES_PER_PIXEL,            EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_ROWS_PER_STRIP,               EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_STRIP_BYTE_COUNTS,            EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_X_RESOLUTION,                 EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_Y_RESOLUTION,                 EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_PLANAR_CONFIGURATION,         EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_RESOLUTION_UNIT,              EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_TRANSFER_FUNCTION,            EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_SOFTWARE,                     EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_DATE_TIME,                    EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_ARTIST,                       EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_WHITE_POINT,                  EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_PRIMARY_CHROMATICITIES,       EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_TRANSFER_RANGE,               EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_JPEG_PROC,                    EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_JPEG_INTERCHANGE_FORMAT,      EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LENGTH, },
+    { EXIF_TAG_YCBCR_COEFFICIENTS,           EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_YCBCR_SUB_SAMPLING,           EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_YCBCR_POSITIONING,            EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_REFERENCE_BLACK_WHITE,        EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_RELATED_IMAGE_FILE_FORMAT,    EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_RELATED_IMAGE_WIDTH,          EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_RELATED_IMAGE_LENGTH,         EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_CFA_REPEAT_PATTERN_DIM,       EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_CFA_PATTERN,                  EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_BATTERY_LEVEL,                EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_COPYRIGHT,                    EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_EXPOSURE_TIME,                EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_FNUMBER,                      EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_IPTC_NAA,                     EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_EXIF_IFD_POINTER,             EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_INTER_COLOR_PROFILE,          EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_EXPOSURE_PROGRAM,             EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SPECTRAL_SENSITIVITY,         EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_GPS_INFO_IFD_POINTER,         EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_ISO_SPEED_RATINGS,            EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_OECF,                         EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_EXIF_VERSION,                 EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_DATE_TIME_ORIGINAL,           EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_DATE_TIME_DIGITIZED,          EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_COMPONENTS_CONFIGURATION,     EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_COMPRESSED_BITS_PER_PIXEL,    EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_SHUTTER_SPEED_VALUE,          EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_APERTURE_VALUE,               EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_BRIGHTNESS_VALUE,             EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_EXPOSURE_BIAS_VALUE,          EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_MAX_APERTURE_VALUE,           EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SUBJECT_DISTANCE,             EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_METERING_MODE,                EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_LIGHT_SOURCE,                 EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_FLASH,                        EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_FOCAL_LENGTH,                 EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SUBJECT_AREA,                 EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_MAKER_NOTE,                   EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_USER_COMMENT,                 EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_SUBSEC_TIME,                  EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_SUB_SEC_TIME_ORIGINAL,        EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_SUB_SEC_TIME_DIGITIZED,       EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_FLASH_PIX_VERSION,            EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_COLOR_SPACE,                  EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_PIXEL_X_DIMENSION,            EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_PIXEL_Y_DIMENSION,            EXIF_CATEGORY_IMAGE_DATA},
+    { EXIF_TAG_RELATED_SOUND_FILE,           EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_INTEROPERABILITY_IFD_POINTER, EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_FLASH_ENERGY,                 EXIF_CATEGORY_OTHER },
+    { EXIF_TAG_SPATIAL_FREQUENCY_RESPONSE,   EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_FOCAL_PLANE_X_RESOLUTION,     EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_FOCAL_PLANE_Y_RESOLUTION,     EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_FOCAL_PLANE_RESOLUTION_UNIT,  EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_SUBJECT_LOCATION,             EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_EXPOSURE_INDEX,               EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SENSING_METHOD,               EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_FILE_SOURCE,                  EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_SCENE_TYPE,                   EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_NEW_CFA_PATTERN,              EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_CUSTOM_RENDERED,              EXIF_CATEGORY_OTHER},
+    { EXIF_TAG_EXPOSURE_MODE,                EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_WHITE_BALANCE,                EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_DIGITAL_ZOOM_RATIO,           EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_FOCAL_LENGTH_IN_35MM_FILM,    EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_SCENE_CAPTURE_TYPE,           EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_GAIN_CONTROL,                 EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_CONTRAST,                     EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SATURATION,                   EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_SHARPNESS,                    EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_DEVICE_SETTING_DESCRIPTION,   EXIF_CATEGORY_CAMERA},
+    { EXIF_TAG_SUBJECT_DISTANCE_RANGE,       EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
+    { EXIF_TAG_IMAGE_UNIQUE_ID,              EXIF_CATEGORY_IMAGE_DATA},
+    { -1, -1 }
+};
+#endif
+
+#define MODEL_COLUMN_ATTRIBUTE 0
+#define MODEL_COLUMN_VALUE     1
+
+struct _EomMetadataDetailsPrivate {
+    GtkTreeModel *model;
+
+    GHashTable   *id_path_hash;
+    GHashTable   *id_path_hash_mnote;
+};
+
+static char*  set_row_data (GtkTreeStore *store, char *path, char *parent, const char *attribute, const char *value);
+
+static void eom_metadata_details_reset (EomMetadataDetails *exif_details);
+
+G_DEFINE_TYPE_WITH_PRIVATE (EomMetadataDetails, eom_metadata_details, GTK_TYPE_TREE_VIEW)
+
+static void
+eom_metadata_details_dispose (GObject *object)
+{
+    EomMetadataDetailsPrivate *priv;
+
+    priv = EOM_METADATA_DETAILS (object)->priv;
+
+    if (priv->model) {
+        g_object_unref (priv->model);
+        priv->model = NULL;
+    }
+
+    if (priv->id_path_hash) {
+        g_hash_table_destroy (priv->id_path_hash);
+        priv->id_path_hash = NULL;
+    }
+
+    if (priv->id_path_hash_mnote) {
+        g_hash_table_destroy (priv->id_path_hash_mnote);
+        priv->id_path_hash_mnote = NULL;
+    }
+    G_OBJECT_CLASS (eom_metadata_details_parent_class)->dispose (object);
+}
+
+static void
+eom_metadata_details_init (EomMetadataDetails *details)
+{
+    EomMetadataDetailsPrivate *priv;
+    GtkTreeViewColumn *column;
+    GtkCellRenderer *cell;
+
+    details->priv = eom_metadata_details_get_instance_private (details);
+
+    priv = details->priv;
+
+    priv->model = GTK_TREE_MODEL (gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_STRING));
+    priv->id_path_hash = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
+    priv->id_path_hash_mnote = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
+
+    /* Tag name column */
+    cell = gtk_cell_renderer_text_new ();
+    column = gtk_tree_view_column_new_with_attributes (_("Tag"), cell,
+                                                       "text", MODEL_COLUMN_ATTRIBUTE,
+                                                       NULL);
+    gtk_tree_view_append_column (GTK_TREE_VIEW (details), column);
+
+    /* Value column */
+    cell = gtk_cell_renderer_text_new ();
+    g_object_set (cell,
+                  "editable", TRUE,
+                  NULL);
+    column = gtk_tree_view_column_new_with_attributes (_("Value"), cell,
+                                                       "text", MODEL_COLUMN_VALUE,
+                                                       NULL);
+    gtk_tree_view_append_column (GTK_TREE_VIEW (details), column);
+
+    eom_metadata_details_reset (details);
+
+    gtk_tree_view_set_model (GTK_TREE_VIEW (details),
+                             GTK_TREE_MODEL (priv->model));
+}
+
+static void
+eom_metadata_details_class_init (EomMetadataDetailsClass *klass)
+{
+    GObjectClass *object_class = (GObjectClass*) klass;
+
+    object_class->dispose = eom_metadata_details_dispose;
+}
+
+#ifdef HAVE_EXIF
+static MetadataCategory
+get_exif_category (ExifEntry *entry)
+{
+    MetadataCategory cat = EXIF_CATEGORY_OTHER;
+    int i;
+
+    /* Some GPS tag IDs overlap with other ones, so check the IFD */
+    if (exif_entry_get_ifd (entry) == EXIF_IFD_GPS) {
+        return EXIF_CATEGORY_GPS_DATA;
+    }
+
+    for (i = 0; exif_tag_category_map [i].id != -1; i++) {
+        if (exif_tag_category_map[i].id == (int) entry->tag) {
+            cat = exif_tag_category_map[i].category;
+            break;
+        }
+    }
+
+    return cat;
+}
+#endif
+
+static char*
+set_row_data (GtkTreeStore *store, char *path, char *parent, const char *attribute, const char *value)
+{
+    GtkTreeIter iter;
+    gchar *utf_attribute = NULL;
+    gchar *utf_value = NULL;
+    gboolean iter_valid = FALSE;
+
+    if (!attribute) return NULL;
+
+    if (path != NULL) {
+        iter_valid = gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store), &iter, path);
+    }
+
+    if (!iter_valid) {
+        GtkTreePath *tree_path;
+        GtkTreeIter parent_iter;
+        gboolean parent_valid = FALSE;
+
+        if (parent != NULL) {
+            parent_valid = gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store),
+                                                                &parent_iter,
+                                                                parent);
+        }
+
+        gtk_tree_store_append (store, &iter, parent_valid ? &parent_iter : NULL);
+
+        if (path == NULL) {
+            tree_path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
+
+            if (tree_path != NULL) {
+                path = gtk_tree_path_to_string (tree_path);
+                gtk_tree_path_free (tree_path);
+            }
+        }
+    }
+
+    utf_attribute = eom_util_make_valid_utf8 (attribute);
+
+    gtk_tree_store_set (store, &iter, MODEL_COLUMN_ATTRIBUTE, utf_attribute, -1);
+    g_free (utf_attribute);
+
+    if (value != NULL) {
+        utf_value = eom_util_make_valid_utf8 (value);
+        gtk_tree_store_set (store, &iter, MODEL_COLUMN_VALUE, utf_value, -1);
+        g_free (utf_value);
+    }
+
+    return path;
+}
+
+#ifdef HAVE_EXIF
+
+static const char *
+eom_exif_entry_get_value (ExifEntry    *e,
+                          char         *buf,
+                          guint         n_buf)
+{
+    ExifByteOrder bo;
+
+    /* For now we only want to reformat some GPS values */
+    if (G_LIKELY (exif_entry_get_ifd (e) != EXIF_IFD_GPS))
+        return exif_entry_get_value (e, buf, n_buf);
+
+    bo = exif_data_get_byte_order (e->parent->parent);
+
+    /* Cast to number to avoid warnings about values not in enumeration */
+    switch ((guint16) e->tag) {
+        case EXIF_TAG_GPS_LATITUDE:
+        case EXIF_TAG_GPS_LONGITUDE:
+        {
+            gsize rational_size;
+            ExifRational r;
+            gfloat h = 0., m = 0.;
+
+
+            rational_size = exif_format_get_size (EXIF_FORMAT_RATIONAL);
+            if (G_UNLIKELY (e->components != 3 ||
+                e->format != EXIF_FORMAT_RATIONAL))
+                return exif_entry_get_value (e, buf, n_buf);
+
+            r = exif_get_rational (e->data, bo);
+            if (r.denominator != 0)
+                h = (gfloat)r.numerator / r.denominator;
+
+            r = exif_get_rational (e->data + rational_size, bo);
+            if (r.denominator != 0)
+                m = (gfloat)r.numerator / (gfloat)r.denominator;
+
+            r = exif_get_rational (e->data + (2 * rational_size),
+                           bo);
+            if (r.numerator != 0 && r.denominator != 0) {
+                gfloat s;
+
+                s = (gfloat)r.numerator / (gfloat)r.denominator;
+                g_snprintf (buf, n_buf,
+                        "%.0f° %.0f' %.2f\"",
+                        h, m, s);
+            } else {
+                g_snprintf (buf, n_buf,
+                        "%.0f° %.2f'",
+                        h, m);
+            }
+
+            break;
+        }
+        case EXIF_TAG_GPS_LATITUDE_REF:
+        case EXIF_TAG_GPS_LONGITUDE_REF:
+        {
+            if (G_UNLIKELY (e->components != 2 ||
+                e->format != EXIF_FORMAT_ASCII))
+                return exif_entry_get_value (e, buf, n_buf);
+
+            switch (e->data[0]) {
+            case 'N':
+                g_snprintf (buf, n_buf, "%s", _("North"));
+                break;
+            case 'E':
+                g_snprintf (buf, n_buf, "%s", _("East"));
+                break;
+            case 'W':
+                g_snprintf (buf, n_buf, "%s", _("West"));
+                break;
+            case 'S':
+                g_snprintf (buf, n_buf, "%s", _("South"));
+                break;
+            default:
+                return exif_entry_get_value (e, buf, n_buf);
+                break;
+            }
+            break;
+        }
+        default:
+            return exif_entry_get_value (e, buf, n_buf);
+            break;
+    }
+
+    return buf;
+}
+
+static void
+exif_entry_cb (ExifEntry *entry, gpointer data)
+{
+    GtkTreeStore *store;
+    EomMetadataDetails *view;
+    EomMetadataDetailsPrivate *priv;
+    MetadataCategory cat;
+    ExifIfd ifd = exif_entry_get_ifd (entry);
+    char *path;
+    char b[1024];
+    const gint key = ifd << 16 | entry->tag;
+
+    /* This should optimize away if comparision is correct */
+    g_warn_if_fail (EXIF_IFD_COUNT <= G_MAXUINT16);
+
+    view = EOM_METADATA_DETAILS (data);
+    priv = view->priv;
+
+    store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
+
+    /* Take the tag's IFD into account when caching their GtkTreePaths.
+     * That should fix key collisions for tags that have the same number
+     * but are stored in different IFDs. Exif tag numbers are 16-bit
+     * values so we should be able to set the high word to the IFD number.
+     */
+    path = g_hash_table_lookup (priv->id_path_hash, GINT_TO_POINTER (key));
+
+    if (path != NULL) {
+        set_row_data (store,
+                      path,
+                      NULL,
+                      exif_tag_get_name_in_ifd (entry->tag, ifd),
+                      eom_exif_entry_get_value (entry, b, sizeof(b)));
+    } else {
+
+        ExifMnoteData *mnote = (entry->tag == EXIF_TAG_MAKER_NOTE ?
+                                exif_data_get_mnote_data (entry->parent->parent) : NULL);
+
+        if (mnote) {
+            // Supported MakerNote Found
+            unsigned int i, c = exif_mnote_data_count (mnote);
+
+            for (i = 0; i < c; i++) {
+                path = g_hash_table_lookup (priv->id_path_hash_mnote, GINT_TO_POINTER (i));
+                if (path != NULL) {
+                    set_row_data (store, path, NULL,
+                                  exif_mnote_data_get_title (mnote, i),
+                                  exif_mnote_data_get_value (mnote, i, b, sizeof(b)));
+                } else {
+                    path = set_row_data (store,
+                                         NULL,
+                                         exif_categories[EXIF_CATEGORY_MAKER_NOTE].path,
+                                         exif_mnote_data_get_title (mnote, i),
+                                         exif_mnote_data_get_value (mnote, i, b, sizeof(b)));
+                    g_hash_table_insert (priv->id_path_hash_mnote, GINT_TO_POINTER (i), path);
+                }
+            }
+        } else {
+            cat = get_exif_category (entry);
+
+            path = set_row_data (store,
+                                 NULL,
+                                 exif_categories[cat].path,
+                                 exif_tag_get_name_in_ifd (entry->tag, ifd),
+                                 eom_exif_entry_get_value (entry, b,
+                                 sizeof(b)));
+
+            g_hash_table_insert (priv->id_path_hash,
+                                 GINT_TO_POINTER (key),
+                                 path);
+        }
+    }
+}
+#endif
+
+#ifdef HAVE_EXIF
+static void
+exif_content_cb (ExifContent *content, gpointer data)
+{
+    exif_content_foreach_entry (content, exif_entry_cb, data);
+}
+#endif
+
+GtkWidget *
+eom_metadata_details_new (void)
+{
+    GObject *object;
+
+    object = g_object_new (EOM_TYPE_METADATA_DETAILS, NULL);
+
+    return GTK_WIDGET (object);
+}
+
+static void
+eom_metadata_details_reset (EomMetadataDetails *details)
+{
+    EomMetadataDetailsPrivate *priv = details->priv;
+    int i;
+
+    gtk_tree_store_clear (GTK_TREE_STORE (priv->model));
+
+    g_hash_table_remove_all (priv->id_path_hash);
+    g_hash_table_remove_all (priv->id_path_hash_mnote);
+
+    for (i = 0; exif_categories [i].label != NULL; i++) {
+        char *translated_string;
+
+        translated_string = gettext (exif_categories[i].label);
+
+        set_row_data (GTK_TREE_STORE (priv->model),
+                      exif_categories[i].path,
+                      NULL,
+                      translated_string,
+                      NULL);
+    }
+}
+
+#ifdef HAVE_EXIF
+void
+eom_metadata_details_update (EomMetadataDetails *details, ExifData *data)
+{
+    g_return_if_fail (EOM_IS_METADATA_DETAILS (details));
+
+    eom_metadata_details_reset (details);
+    if (data) {
+        exif_data_foreach_content (data, exif_content_cb, details);
+    }
+}
+#endif /* HAVE_EXIF */
+
+#ifdef HAVE_EXEMPI
+typedef struct {
+    const char *id;
+    MetadataCategory category;
+} XmpNsCategory;
+
+static XmpNsCategory xmp_ns_category_map[] = {
+    { NS_EXIF,                  XMP_CATEGORY_EXIF},
+    { NS_TIFF,                  XMP_CATEGORY_EXIF},
+    { NS_XAP,                   XMP_CATEGORY_EXIF},
+    { NS_XAP_RIGHTS,            XMP_CATEGORY_RIGHTS},
+    { NS_EXIF_AUX,              XMP_CATEGORY_EXIF},
+    { NS_DC,                    XMP_CATEGORY_IPTC},
+    { NS_IPTC4XMP,              XMP_CATEGORY_IPTC},
+    { NS_CC,                    XMP_CATEGORY_RIGHTS},
+    { NULL, -1}
+};
+
+static MetadataCategory
+get_xmp_category (XmpStringPtr schema)
+{
+    MetadataCategory cat = XMP_CATEGORY_OTHER;
+    const char *s = xmp_string_cstr(schema);
+    int i;
+
+    for (i = 0; xmp_ns_category_map[i].id != NULL; i++) {
+        if (strcmp (xmp_ns_category_map[i].id, s) == 0) {
+            cat = xmp_ns_category_map[i].category;
+            break;
+        }
+    }
+
+    return cat;
+}
+
+static void
+xmp_entry_insert (EomMetadataDetails *view, XmpStringPtr xmp_schema,
+                  XmpStringPtr xmp_path, XmpStringPtr xmp_prop)
+{
+    GtkTreeStore *store;
+    EomMetadataDetailsPrivate *priv;
+    MetadataCategory cat;
+    char *path;
+    gchar *key;
+
+    priv = view->priv;
+
+    key = g_strconcat (xmp_string_cstr (xmp_schema), ":",
+                       xmp_string_cstr (xmp_path), NULL);
+
+    store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
+
+    path = g_hash_table_lookup (priv->id_path_hash, key);
+
+    if (path != NULL) {
+        set_row_data (store, path, NULL,
+                      xmp_string_cstr (xmp_path),
+                      xmp_string_cstr (xmp_prop));
+
+        g_free(key);
+    }
+    else {
+        cat = get_xmp_category (xmp_schema);
+
+        path = set_row_data (store, NULL, exif_categories[cat].path,
+                             xmp_string_cstr(xmp_path),
+                             xmp_string_cstr(xmp_prop));
+
+        g_hash_table_insert (priv->id_path_hash, key, path);
+    }
+}
+
+void
+eom_metadata_details_xmp_update (EomMetadataDetails *view, XmpPtr data)
+{
+    g_return_if_fail (EOM_IS_METADATA_DETAILS (view));
+
+    if (data) {
+        XmpIteratorPtr iter = xmp_iterator_new(data, NULL, NULL, XMP_ITER_JUSTLEAFNODES);
+        XmpStringPtr the_schema = xmp_string_new ();
+        XmpStringPtr the_path = xmp_string_new ();
+        XmpStringPtr the_prop = xmp_string_new ();
+
+        while (xmp_iterator_next (iter, the_schema, the_path, the_prop, NULL)) {
+            xmp_entry_insert (view, the_schema, the_path, the_prop);
+        }
+
+        xmp_string_free (the_prop);
+        xmp_string_free (the_path);
+        xmp_string_free (the_schema);
+        xmp_iterator_free (iter);
+    }
+}
+#endif