[gtk+] search engine: Pass file infos along for hits

[Matthias Clasen <matthiasc src gnome org>]

commit abe4829e363abeb09d6ae2eef7e0e1bae573865d
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jun 18 14:31:02 2015 -0400

    search engine: Pass file infos along for hits

 gtk/gtkfilechooserwidget.c   |    5 +--
 gtk/gtksearchengine.c        |   49 +++++++++++++++++++++++++++++++++++++++--
 gtk/gtksearchengine.h        |   13 +++++++++++
 gtk/gtksearchenginesimple.c  |   33 +++++++++++++++++-----------
 gtk/gtksearchenginetracker.c |   28 ++++++------------------
 5 files changed, 88 insertions(+), 40 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 2bba902..2159607 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -6127,13 +6127,12 @@ search_engine_hits_added_cb (GtkSearchEngine      *engine,
 {
   GList *l, *files;
   GFile *file;
-  const char *uri;
 
   files = NULL;
   for (l = hits; l; l = l->next)
     {
-      uri = (const gchar *)l->data;
-      file = g_file_new_for_uri (uri);
+      GtkSearchHit *hit = (GtkSearchHit *)l->data;
+      file = g_file_new_for_uri (hit->uri);
       if (!file)
         continue;
       files = g_list_prepend (files, file);
diff --git a/gtk/gtksearchengine.c b/gtk/gtksearchengine.c
index 519df72..5e8a19c 100644
--- a/gtk/gtksearchengine.c
+++ b/gtk/gtksearchengine.c
@@ -190,16 +190,17 @@ hits_added (GtkSearchEngine *engine,
 {
   GtkSearchEngine *composite = GTK_SEARCH_ENGINE (data);
   GList *added, *l;
+  GtkSearchHit *hit;
 
   added = NULL;
 
   for (l = hits; l; l = l->next)
     {
-      gchar *hit = l->data;
+      hit = l->data;
 
       if (!g_hash_table_contains (composite->priv->hits, hit))
         {
-          hit = g_strdup (hit);
+          hit = _gtk_search_hit_dup (hit);
           g_hash_table_add (composite->priv->hits, hit);
           added = g_list_prepend (added, hit);
         }
@@ -272,6 +273,47 @@ error (GtkSearchEngine *engine,
   update_status (composite);
 }
 
+static gboolean
+search_hit_equal (gconstpointer a, gconstpointer b)
+{
+  const GtkSearchHit *ha = (const GtkSearchHit *)a;
+  const GtkSearchHit *hb = (const GtkSearchHit *)b;
+
+  return g_str_equal (ha->uri, hb->uri);
+}
+
+
+static guint
+search_hit_hash (gconstpointer a)
+{
+  const GtkSearchHit *ha = (const GtkSearchHit *)a;
+
+  return g_str_hash (ha->uri);
+}
+
+GtkSearchHit *
+_gtk_search_hit_dup (GtkSearchHit *hit)
+{
+  GtkSearchHit *dup;
+
+  dup = g_new (GtkSearchHit, 1);
+  dup->uri = g_strdup (hit->uri);
+  if (hit->info)
+    dup->info = g_object_ref (hit->info);
+  else
+    dup->info = NULL;
+
+  return dup;
+}
+
+void
+_gtk_search_hit_free (GtkSearchHit *hit)
+{
+  g_free (hit->uri);
+  g_clear_object (&hit->info);
+  g_free (hit);
+}
+
 static void
 connect_engine_signals (GtkSearchEngine *engine,
                         gpointer         data)
@@ -310,7 +352,8 @@ _gtk_search_engine_new (void)
   g_debug ("Using simple search engine");
   connect_engine_signals (engine->priv->simple, engine);
 
-  engine->priv->hits = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+  engine->priv->hits = g_hash_table_new_full (search_hit_hash, search_hit_equal,
+                                              (GDestroyNotify)_gtk_search_hit_free, NULL);
 
   return engine;
 }
diff --git a/gtk/gtksearchengine.h b/gtk/gtksearchengine.h
index fc4b6d6..8f86cd8 100644
--- a/gtk/gtksearchengine.h
+++ b/gtk/gtksearchengine.h
@@ -23,6 +23,7 @@
 #define __GTK_SEARCH_ENGINE_H__
 
 #include "gtkquery.h"
+#include <gio/gio.h>
 
 G_BEGIN_DECLS
 
@@ -37,6 +38,15 @@ typedef struct _GtkSearchEngine GtkSearchEngine;
 typedef struct _GtkSearchEngineClass GtkSearchEngineClass;
 typedef struct _GtkSearchEnginePrivate GtkSearchEnginePrivate;
 
+typedef struct _GtkSearchHit GtkSearchHit;
+
+struct _GtkSearchHit
+{
+  gint ref_count;
+  gchar *uri;
+  GFileInfo *info; /* may be NULL */
+};
+
 struct _GtkSearchEngine
 {
   GObject parent;
@@ -81,6 +91,9 @@ void           _gtk_search_engine_finished        (GtkSearchEngine *engine);
 void            _gtk_search_engine_error           (GtkSearchEngine *engine, 
                                                     const gchar     *error_message);
 
+void             _gtk_search_hit_free (GtkSearchHit *hit);
+GtkSearchHit    *_gtk_search_hit_dup (GtkSearchHit *hit);
+
 G_END_DECLS
 
 #endif /* __GTK_SEARCH_ENGINE_H__ */
diff --git a/gtk/gtksearchenginesimple.c b/gtk/gtksearchenginesimple.c
index 596673b..3b1381c 100644
--- a/gtk/gtksearchenginesimple.c
+++ b/gtk/gtksearchenginesimple.c
@@ -137,20 +137,20 @@ search_thread_done_idle (gpointer user_data)
 
 typedef struct
 {
-  GList *uris;
+  GList *hits;
   SearchThreadData *thread_data;
-} SearchHits;
+} Batch;
 
 static gboolean
 search_thread_add_hits_idle (gpointer user_data)
 {
-  SearchHits *hits = user_data;
+  Batch *batch = user_data;
 
-  if (!g_cancellable_is_cancelled (hits->thread_data->cancellable))
-    _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (hits->thread_data->engine), hits->uris);
+  if (!g_cancellable_is_cancelled (batch->thread_data->cancellable))
+    _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (batch->thread_data->engine), batch->hits);
 
-  g_list_free_full (hits->uris, g_free);
-  g_free (hits);
+  g_list_free_full (batch->hits, (GDestroyNotify)_gtk_search_hit_free);
+  g_free (batch);
 
   return FALSE;
 }
@@ -158,7 +158,7 @@ search_thread_add_hits_idle (gpointer user_data)
 static void
 send_batch (SearchThreadData *data)
 {
-  SearchHits *hits;
+  Batch *batch;
 
   data->n_processed_files = 0;
 
@@ -166,11 +166,11 @@ send_batch (SearchThreadData *data)
     {
       guint id;
 
-      hits = g_new (SearchHits, 1);
-      hits->uris = data->hits;
-      hits->thread_data = data;
+      batch = g_new (Batch, 1);
+      batch->hits = data->hits;
+      batch->thread_data = data;
 
-      id = gdk_threads_add_idle (search_thread_add_hits_idle, hits);
+      id = gdk_threads_add_idle (search_thread_add_hits_idle, batch);
       g_source_set_name_by_id (id, "[gtk+] search_thread_add_hits_idle");
     }
 
@@ -208,7 +208,14 @@ visit_directory (GFile *dir, SearchThreadData *data)
         continue;
 
       if (gtk_query_matches_string (data->query, display_name))
-        data->hits = g_list_prepend (data->hits, g_file_get_uri (child));
+        {
+          GtkSearchHit *hit;
+
+          hit = g_new (GtkSearchHit, 1);
+          hit->uri = g_file_get_uri (child);
+          hit->info = g_object_ref (info);
+          data->hits = g_list_prepend (data->hits, hit);
+        }
 
       data->n_processed_files++;
       if (data->n_processed_files > BATCH_SIZE)
diff --git a/gtk/gtksearchenginetracker.c b/gtk/gtksearchenginetracker.c
index cb815b7..562b14d 100644
--- a/gtk/gtksearchenginetracker.c
+++ b/gtk/gtksearchenginetracker.c
@@ -173,21 +173,6 @@ get_query_results (GtkSearchEngineTracker *engine,
                           user_data);
 }
 
-/* Stolen from libtracker-common */
-static GList *
-string_list_to_gslist (gchar **strv)
-{
-  GList *list;
-  gsize i;
-
-  list = NULL;
-
-  for (i = 0; strv[i]; i++)
-    list = g_list_prepend (list, g_strdup (strv[i]));
-
-  return g_list_reverse (list);
-}
-
 /* Stolen from libtracker-sparql */
 static gchar *
 sparql_escape_string (const gchar *literal)
@@ -283,9 +268,9 @@ query_callback (GObject      *object,
   GVariant *reply;
   GVariant *r;
   GVariantIter iter;
-  gchar **result;
   GError *error = NULL;
   gint i, n;
+  GtkSearchHit *hit;
 
   tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
 
@@ -310,7 +295,8 @@ query_callback (GObject      *object,
   r = g_variant_get_child_value (reply, 0);
   g_variant_iter_init (&iter, r);
   n = g_variant_iter_n_children (&iter);
-  result = g_new0 (gchar *, n + 1);
+  hit = g_new (GtkSearchHit, n);
+  hits = NULL;
   for (i = 0; i < n; i++)
     {
       GVariant *v;
@@ -318,16 +304,16 @@ query_callback (GObject      *object,
 
       v = g_variant_iter_next_value (&iter);
       strv = g_variant_get_strv (v, NULL);
-      result[i] = (gchar*)strv[0];
+      hit[i].uri = (gchar*)strv[0];
+      hit[i].info = NULL;
       g_free (strv);
+      hits = g_list_prepend (hits, &hit[i]);
     }
 
-  /* We iterate result by result, not n at a time. */
-  hits = string_list_to_gslist (result);
   _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (tracker), hits);
   _gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
   g_list_free (hits);
-  g_free (result);
+  g_free (hit);
   g_variant_unref (reply);
   g_variant_unref (r);