1 files changed, 173 insertions, 0 deletions
diff --git a/navit/traffic/traff_android/traffic_traff_android.c b/navit/traffic/traff_android/traffic_traff_android.c
new file mode 100644
index 000000000..91d408777
--- /dev/null
+++ b/navit/traffic/traff_android/traffic_traff_android.c
@@ -0,0 +1,173 @@
+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2018 Navit Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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 Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * @file traffic_traff_android.c
+ *
+ * @brief The TraFF plugin for Android
+ *
+ * This plugin receives TraFF feeds via Android broadcasts.
+ */
+
+#include <string.h>
+#include <time.h>
+
+#ifdef _POSIX_C_SOURCE
+#include <sys/types.h>
+#endif
+#include "glib_slice.h"
+#include "config.h"
+#include "item.h"
+#include "attr.h"
+#include "coord.h"
+#include "xmlconfig.h"
+#include "android.h"
+#include "traffic.h"
+#include "plugin.h"
+#include "callback.h"
+#include "debug.h"
+
+/**
+ * @brief Stores information about the plugin instance.
+ */
+struct traffic_priv {
+    struct navit * nav;         /**< The navit instance */
+    struct callback * cbid;     /**< The callback function for TraFF feeds **/
+    jclass NavitTraffClass;     /**< The `NavitTraff` class */
+    jobject NavitTraff;         /**< An instance of `NavitTraff` */
+};
+
+struct traffic_message ** traffic_traff_android_get_messages(struct traffic_priv * this_);
+
+/**
+ * @brief Returns an empty traffic report.
+ *
+ * @return Always `NULL`
+ */
+struct traffic_message ** traffic_traff_android_get_messages(struct traffic_priv * this_) {
+    return NULL;
+}
+
+/**
+ * @brief The methods implemented by this plugin
+ */
+static struct traffic_methods traffic_traff_android_meth = {
+    traffic_traff_android_get_messages,
+};
+
+
+/**
+ * @brief Called when a new TraFF feed is received.
+ *
+ * @param this_ Private data for the module instance
+ * @param feed Feed data in string form
+ */
+static void traffic_traff_android_on_feed_received(struct traffic_priv * this_, char * feed) {
+    struct attr * attr;
+    struct attr_iter * a_iter;
+    struct traffic * traffic = NULL;
+    struct traffic_message ** messages;
+
+    dbg(lvl_debug, "enter");
+    attr = g_new0(struct attr, 1);
+    a_iter = navit_attr_iter_new();
+    if (navit_get_attr(this_->nav, attr_traffic, attr, a_iter))
+        traffic = (struct traffic *) attr->u.navit_object;
+    navit_attr_iter_destroy(a_iter);
+    g_free(attr);
+
+    if (!traffic) {
+        dbg(lvl_error, "failed to obtain traffic instance");
+        return;
+    }
+
+    dbg(lvl_debug, "processing traffic feed:\n%s", feed);
+    messages = traffic_get_messages_from_xml_string(traffic, feed);
+    if (messages) {
+        dbg(lvl_debug, "got messages from feed, processing");
+        traffic_process_messages(traffic, messages);
+        g_free(messages);
+    }
+}
+
+
+/**
+ * @brief Initializes a traff_android plugin
+ *
+ * @return True on success, false on failure
+ */
+static int traffic_traff_android_init(struct traffic_priv * this_) {
+    jmethodID cid;
+
+    if (!android_find_class_global("org/navitproject/navit/NavitTraff", &this_->NavitTraffClass))
+        return 0;
+    cid = (*jnienv)->GetMethodID(jnienv, this_->NavitTraffClass, "<init>", "(Landroid/content/Context;I)V");
+    if (cid == NULL) {
+        dbg(lvl_error,"no method found");
+        return 0; /* exception thrown */
+    }
+    this_->NavitTraff=(*jnienv)->NewObject(jnienv, this_->NavitTraffClass, cid, android_application,
+                                           (int) this_->cbid);
+    dbg(lvl_debug,"result=%p", this_->NavitTraff);
+    if (!this_->NavitTraff)
+        return 0;
+    if (this_->NavitTraff)
+        this_->NavitTraff = (*jnienv)->NewGlobalRef(jnienv, this_->NavitTraff);
+
+    return 1;
+}
+
+
+/**
+ * @brief Registers a new traff_android traffic plugin
+ *
+ * @param nav The navit instance
+ * @param meth Receives the traffic methods
+ * @param attrs The attributes for the map
+ * @param cbl
+ *
+ * @return A pointer to a `traffic_priv` structure for the plugin instance
+ */
+static struct traffic_priv * traffic_traff_android_new(struct navit *nav, struct traffic_methods *meth,
+        struct attr **attrs, struct callback_list *cbl) {
+    struct traffic_priv *ret;
+
+    dbg(lvl_debug, "enter");
+
+    ret = g_new0(struct traffic_priv, 1);
+    ret->nav = nav;
+    ret->cbid = callback_new_1(callback_cast(traffic_traff_android_on_feed_received), ret);
+    /* TODO populate members, if any */
+    *meth = traffic_traff_android_meth;
+
+    traffic_traff_android_init(ret);
+
+    return ret;
+}
+
+/**
+ * @brief Initializes the traffic plugin.
+ *
+ * This function is called once on startup.
+ */
+void plugin_init(void) {
+    dbg(lvl_debug, "enter");
+
+    plugin_register_category_traffic("traff_android", traffic_traff_android_new);
+}