1 files changed, 84 insertions, 0 deletions
diff --git a/navit/android/src/org/navitproject/navit/NavitCallbackHandler.java b/navit/android/src/org/navitproject/navit/NavitCallbackHandler.java
new file mode 100644
index 000000000..c3a3b3230
--- /dev/null
+++ b/navit/android/src/org/navitproject/navit/NavitCallbackHandler.java
@@ -0,0 +1,84 @@
+package org.navitproject.navit;
+
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+
+class NavitCallbackHandler {
+
+
+    private static final String TAG = "CallbackHandler";
+    private static final MsgType[] msg_values = MsgType.values();
+
+    static final Handler sCallbackHandler = new CallBackHandler();
+
+    private static native int callbackMessageChannel(int channel, String s);
+
+    private static native int callbackCmdChannel(int commandd);
+
+    enum CmdType { CMD_ZOOM_IN, CMD_ZOOM_OUT, CMD_BLOCK, CMD_UNBLOCK, CMD_CANCEL_ROUTE }
+
+    static void sendCommand(CmdType command) {
+        switch (command) {
+            case CMD_ZOOM_IN:
+                callbackCmdChannel(1);
+                break;
+            case CMD_ZOOM_OUT:
+                callbackCmdChannel(2);
+                break;
+            case CMD_BLOCK:
+                callbackCmdChannel(3);
+                break;
+            case CMD_UNBLOCK:
+                callbackCmdChannel(4);
+                break;
+            case CMD_CANCEL_ROUTE:
+                callbackCmdChannel(5);
+                break;
+            default:
+                Log.e(TAG, "Unhandled command : " + command);
+        }
+    }
+
+
+    enum MsgType {
+        CLB_SET_DESTINATION, CLB_SET_DISPLAY_DESTINATION, CLB_CALL_CMD, CLB_LOAD_MAP, CLB_UNLOAD_MAP,
+        CLB_DELETE_MAP
+    }
+
+
+    static class CallBackHandler extends Handler {
+        public void handleMessage(Message msg) {
+            switch (msg_values[msg.what]) {
+                case CLB_SET_DESTINATION:
+                    String lat = Float.toString(msg.getData().getFloat("lat"));
+                    String lon = Float.toString(msg.getData().getFloat("lon"));
+                    String q = msg.getData().getString(("q"));
+                    callbackMessageChannel(3, lat + "#" + lon + "#" + q);
+                    break;
+                case CLB_SET_DISPLAY_DESTINATION:
+                    int x = msg.arg1;
+                    int y = msg.arg2;
+                    callbackMessageChannel(4, "" + x + "#" + y);
+                    break;
+                case CLB_CALL_CMD:
+                    String cmd = msg.getData().getString(("cmd"));
+                    callbackMessageChannel(5, cmd);
+                    break;
+                case CLB_LOAD_MAP:
+                    callbackMessageChannel(6, msg.getData().getString(("title")));
+                    break;
+                case CLB_DELETE_MAP:
+                    //unload map before deleting it !!!
+                    callbackMessageChannel(7, msg.getData().getString(("title")));
+                    NavitUtils.removeFileIfExists(msg.getData().getString(("title")));
+                    break;
+                case CLB_UNLOAD_MAP:
+                    callbackMessageChannel(7, msg.getData().getString(("title")));
+                    break;
+                default:
+                    Log.d(TAG, "Unhandled callback : " + msg_values[msg.what]);
+            }
+        }
+    }
+}