[yota] Mwm files watching.

android/YoPme/jni/Framework.hpp

@@ -14,6 +14,8 @@ namespace yopme
     bool ShowMyPosition(double lat, double lon, double zoom);
     bool ShowPoi(double lat, double lon, bool needMyLoc, double myLat, double myLoc, double zoom);
 
+    ::Framework & NativeFramework() { return m_framework; }
+
   private:
     void ShowRect(bool needApiPin, m2::PointD const & apiPinPoint,
                   bool needMyLoc, m2::PointD const & myLocPoint);

android/YoPme/jni/MapRenderer.cpp

@@ -10,6 +10,8 @@ namespace
   static shared_ptr<yopme::Framework> s_framework;
 }
 
+#define FRAMEWORK_CHECK() ASSERT(s_framework != NULL, ())
+
 // @TODO refactor and remove that
 void InitNVEvent(JavaVM * jvm) {}
 
@@ -26,7 +28,8 @@ JNIEXPORT bool JNICALL
 Java_com_mapswithme_yopme_map_MapRenderer_nativeRenderMyPosition(JNIEnv * env, jobject obj,
                                                                  double lat, double lon, double zoom)
 {
-  ASSERT(s_framework != NULL, ());
+//  ASSERT(s_framework != NULL, ());
+  FRAMEWORK_CHECK();
   return s_framework->ShowMyPosition(lat, lon, zoom);
 }
 
@@ -36,8 +39,24 @@ Java_com_mapswithme_yopme_map_MapRenderer_nativeRenderPoiMap(JNIEnv * env, jobje
                                                             bool needMyLoc, double myLat, double myLon,
                                                             double zoom)
 {
-  ASSERT(s_framework != NULL, ());
+//  ASSERT(s_framework != NULL, ());
+  FRAMEWORK_CHECK();
   return s_framework->ShowPoi(lat, lon, needMyLoc, myLat, myLon, zoom);
 }
 
+JNIEXPORT void JNICALL
+Java_com_mapswithme_yopme_map_MapRenderer_nativeOnMapFileUpdate(JNIEnv * env, jobject thiz)
+{
+  FRAMEWORK_CHECK();
+  s_framework->NativeFramework().RemoveLocalMaps();
+  s_framework->NativeFramework().AddLocalMaps();
+}
+
+JNIEXPORT void JNICALL
+Java_com_mapswithme_yopme_map_MapRenderer_nativeOnKmlFileUpdate(JNIEnv * env, jobject thiz)
+{
+  FRAMEWORK_CHECK();
+  s_framework->NativeFramework().LoadBookmarks();
+}
+
 } // extern "C"

android/YoPme/src/com/mapswithme/yopme/BackscreenActivity.java

@@ -439,7 +439,7 @@ public class BackscreenActivity extends BSActivity
     }
   }
 
-  public String getDataStoragePath()
+  public static String getDataStoragePath()
   {
     return Environment.getExternalStorageDirectory().getAbsolutePath() + "/MapsWithMe/";
   }

android/YoPme/src/com/mapswithme/yopme/map/MapRenderer.java

@@ -1,20 +1,26 @@
 package com.mapswithme.yopme.map;
 
 import android.graphics.Bitmap;
-
 import com.mapswithme.yopme.PoiPoint;
+import com.mapswithme.yopme.map.MwmFilesObserver.EventType;
+import com.mapswithme.yopme.map.MwmFilesObserver.MwmFilesListener;
 import com.mapswithme.yopme.util.PixelBuffer;
 
-public class MapRenderer implements MapDataProvider
+public class MapRenderer implements MapDataProvider, MwmFilesListener
 {
 	private final static String TAG = "MapRenderer";
 	PixelBuffer mPixelBuffer = null;
 
+	private final MwmFilesObserver mFilesObserver;
+
 	public MapRenderer(int width, int height)
 	{
 		mPixelBuffer = new PixelBuffer(width, height);
 		mPixelBuffer.init();
 		nativeCreateFramework(width, height);
+
+		mFilesObserver = new MwmFilesObserver(this);
+		mFilesObserver.startWatching();
 	}
 
 	public void terminate()
@@ -68,4 +74,19 @@ public class MapRenderer implements MapDataProvider
 	private native boolean nativeRenderPoiMap(double lat, double lon,
 	                                              boolean needMyLocation, double myLat, double myLon,
 	                                              double zoom);
+
+	private native void nativeOnKmlFileUpdate();
+	private native void nativeOnMapFileUpdate();
+
+  @Override
+  public void onFileEvent(String path, EventType event)
+  {
+    synchronized (MapRenderer.class)
+    {
+      if (EventType.KML_FILE_EVENT  == event)
+        nativeOnKmlFileUpdate();
+      else if (EventType.MAP_FILE_EVENT == event)
+        nativeOnMapFileUpdate();
+    }
+  }
 }

android/YoPme/src/com/mapswithme/yopme/map/MwmFilesObserver.java

@@ -0,0 +1,41 @@
+package com.mapswithme.yopme.map;
+
+import com.mapswithme.yopme.BackscreenActivity;
+
+import android.os.FileObserver;
+
+public class MwmFilesObserver extends FileObserver
+{
+  private final MwmFilesListener mListener;
+
+  public enum EventType
+  {
+    MAP_FILE_EVENT,
+    KML_FILE_EVENT,
+  }
+
+  public interface MwmFilesListener
+  {
+    void onFileEvent(String path, EventType event);
+  }
+
+  private final static int MASK =
+      MODIFY | CREATE | DELETE | MOVED_FROM | MOVED_TO;
+
+
+  public MwmFilesObserver(MwmFilesListener listener)
+  {
+    super(BackscreenActivity.getDataStoragePath(), MASK);
+    mListener = listener;
+  }
+
+  @Override
+  public void onEvent(int event, String path)
+  {
+    if (path.endsWith(".mwm"))
+      mListener.onFileEvent(path, EventType.MAP_FILE_EVENT);
+    else if (path.endsWith(".kml"))
+      mListener.onFileEvent(path, EventType.KML_FILE_EVENT);
+  }
+
+}