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-rw-r--r--gtk/gtksearchenginequartz.c274
1 files changed, 274 insertions, 0 deletions
diff --git a/gtk/gtksearchenginequartz.c b/gtk/gtksearchenginequartz.c
new file mode 100644
index 0000000000..5d3d5004e5
--- /dev/null
+++ b/gtk/gtksearchenginequartz.c
@@ -0,0 +1,274 @@
+/*
+ * Copyright (C) 2007 Kristian Rietveld <kris@gtk.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ */
+
+#include <Cocoa/Cocoa.h>
+#include <quartz/gdkquartz.h>
+
+#include "gtksearchenginequartz.h"
+
+/* This file is a mixture of an objective-C object and a GObject,
+ * so be careful to not confuse yourself.
+ */
+
+#define QUARTZ_POOL_ALLOC NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]
+#define QUARTZ_POOL_RELEASE [pool release]
+
+
+/* Definition of objective-c object */
+@interface ResultReceiver : NSObject
+{
+ int submitted_hits;
+ GtkSearchEngine *engine;
+}
+
+- (void) setEngine:(GtkSearchEngine *)quartz_engine;
+
+- (void) queryUpdate:(id)sender;
+- (void) queryProgress:(id)sender;
+- (void) queryFinished:(id)sender;
+
+@end
+
+
+/* Definition of GObject */
+struct _GtkSearchEngineQuartzPrivate
+{
+ GtkQuery *query;
+
+ ResultReceiver *receiver;
+ NSMetadataQuery *ns_query;
+
+ gboolean query_finished;
+};
+
+G_DEFINE_TYPE (GtkSearchEngineQuartz, _gtk_search_engine_quartz, GTK_TYPE_SEARCH_ENGINE);
+
+
+/* Implementation of the objective-C object */
+@implementation ResultReceiver
+
+- (void) setEngine:(GtkSearchEngine *)quartz_engine
+{
+ g_return_if_fail (GTK_IS_SEARCH_ENGINE (quartz_engine));
+
+ engine = quartz_engine;
+ submitted_hits = 0;
+}
+
+- (void) submitHits:(NSMetadataQuery *)ns_query
+{
+ int i;
+ GList *hits = NULL;
+
+ /* Here we submit hits "submitted_hits" to "resultCount" */
+ for (i = submitted_hits; i < [ns_query resultCount]; i++)
+ {
+ id result = [ns_query resultAtIndex:i];
+ char *result_path;
+
+ result_path = g_strdup_printf ("file://%s", [[result valueForAttribute:@"kMDItemPath"] cString]);
+ hits = g_list_prepend (hits, result_path);
+ }
+
+ _gtk_search_engine_hits_added (engine, hits);
+ g_list_free (hits);
+
+ submitted_hits = [ns_query resultCount];
+
+ /* The beagle backend stops at 1000 hits, so guess we do so too here.
+ * It works pretty snappy on my MacBook, if we get rid of this limit
+ * we are almost definitely going to need some code to submit hits
+ * in batches.
+ */
+ if (submitted_hits > 1000)
+ [ns_query stopQuery];
+}
+
+- (void) queryUpdate:(id)sender
+{
+ NSMetadataQuery *ns_query = [sender object];
+
+ [self submitHits:ns_query];
+}
+
+- (void) queryProgress:(id)sender
+{
+ NSMetadataQuery *ns_query = [sender object];
+
+ [self submitHits:ns_query];
+}
+
+- (void) queryFinished:(id)sender
+{
+ NSMetadataQuery *ns_query = [sender object];
+
+ [self submitHits:ns_query];
+
+ _gtk_search_engine_finished (engine);
+ submitted_hits = 0;
+}
+
+@end
+
+/* Implementation of the GObject */
+
+static void
+gtk_search_engine_quartz_finalize (GObject *object)
+{
+ GtkSearchEngineQuartz *quartz;
+
+ QUARTZ_POOL_ALLOC;
+
+ quartz = GTK_SEARCH_ENGINE_QUARTZ (object);
+
+ [[NSNotificationCenter defaultCenter] removeObserver:quartz->priv->receiver];
+
+ [quartz->priv->ns_query release];
+ [quartz->priv->receiver release];
+
+ QUARTZ_POOL_RELEASE;
+
+ if (quartz->priv->query)
+ {
+ g_object_unref (quartz->priv->query);
+ quartz->priv->query = NULL;
+ }
+
+ G_OBJECT_CLASS (_gtk_search_engine_quartz_parent_class)->finalize (object);
+}
+
+static void
+gtk_search_engine_quartz_start (GtkSearchEngine *engine)
+{
+ GtkSearchEngineQuartz *quartz;
+
+ QUARTZ_POOL_ALLOC;
+
+ quartz = GTK_SEARCH_ENGINE_QUARTZ (engine);
+
+ [quartz->priv->ns_query startQuery];
+
+ QUARTZ_POOL_RELEASE;
+}
+
+static void
+gtk_search_engine_quartz_stop (GtkSearchEngine *engine)
+{
+ GtkSearchEngineQuartz *quartz;
+
+ QUARTZ_POOL_ALLOC;
+
+ quartz = GTK_SEARCH_ENGINE_QUARTZ (engine);
+
+ [quartz->priv->ns_query stopQuery];
+
+ QUARTZ_POOL_RELEASE;
+}
+
+static gboolean
+gtk_search_engine_quartz_is_indexed (GtkSearchEngine *engine)
+{
+ return TRUE;
+}
+
+static void
+gtk_search_engine_quartz_set_query (GtkSearchEngine *engine,
+ GtkQuery *query)
+{
+ GtkSearchEngineQuartz *quartz;
+
+ QUARTZ_POOL_ALLOC;
+
+ quartz = GTK_SEARCH_ENGINE_QUARTZ (engine);
+
+ if (query)
+ g_object_ref (query);
+
+ if (quartz->priv->query)
+ g_object_unref (quartz->priv->query);
+
+ quartz->priv->query = query;
+
+ /* We create a query to look for ".*text.*" in the text contents of
+ * all indexed files. (Should we also search for text in file and folder
+ * names?).
+ */
+ [quartz->priv->ns_query setPredicate:
+ [NSPredicate predicateWithFormat:
+ [NSString stringWithFormat:@"(kMDItemTextContent LIKE[cd] \"*%s*\")",
+ _gtk_query_get_text (query)]]];
+
+ QUARTZ_POOL_RELEASE;
+}
+
+static void
+_gtk_search_engine_quartz_class_init (GtkSearchEngineQuartzClass *class)
+{
+ GObjectClass *gobject_class;
+ GtkSearchEngineClass *engine_class;
+
+ gobject_class = G_OBJECT_CLASS (class);
+ gobject_class->finalize = gtk_search_engine_quartz_finalize;
+
+ engine_class = GTK_SEARCH_ENGINE_CLASS (class);
+ engine_class->set_query = gtk_search_engine_quartz_set_query;
+ engine_class->start = gtk_search_engine_quartz_start;
+ engine_class->stop = gtk_search_engine_quartz_stop;
+ engine_class->is_indexed = gtk_search_engine_quartz_is_indexed;
+
+ g_type_class_add_private (gobject_class, sizeof (GtkSearchEngineQuartzPrivate));
+}
+
+static void
+_gtk_search_engine_quartz_init (GtkSearchEngineQuartz *engine)
+{
+ QUARTZ_POOL_ALLOC;
+
+ engine->priv = G_TYPE_INSTANCE_GET_PRIVATE (engine, GTK_TYPE_SEARCH_ENGINE_QUARTZ, GtkSearchEngineQuartzPrivate);
+
+ engine->priv->ns_query = [[NSMetadataQuery alloc] init];
+ engine->priv->receiver = [[ResultReceiver alloc] init];
+
+ [engine->priv->receiver setEngine:GTK_SEARCH_ENGINE (engine)];
+
+ [[NSNotificationCenter defaultCenter] addObserver:engine->priv->receiver
+ selector:@selector(queryUpdate:)
+ name:@"NSMetadataQueryDidUpdateNotification"
+ object:engine->priv->ns_query];
+ [[NSNotificationCenter defaultCenter] addObserver:engine->priv->receiver
+ selector:@selector(queryFinished:)
+ name:@"NSMetadataQueryDidFinishGatheringNotification"
+ object:engine->priv->ns_query];
+
+ [[NSNotificationCenter defaultCenter] addObserver:engine->priv->receiver
+ selector:@selector(queryProgress:)
+ name:@"NSMetadataQueryGatheringProgressNotification"
+ object:engine->priv->ns_query];
+
+ QUARTZ_POOL_RELEASE;
+}
+
+GtkSearchEngine *
+_gtk_search_engine_quartz_new (void)
+{
+#ifdef GDK_WINDOWING_QUARTZ
+ return g_object_new (GTK_TYPE_SEARCH_ENGINE_QUARTZ, NULL);
+#else
+ return NULL;
+#endif
+}
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