1 files changed, 122 insertions, 0 deletions
diff --git a/android/src/com/mapswithme/maps/RenderActivity.java b/android/src/com/mapswithme/maps/RenderActivity.java
new file mode 100644
index 0000000000..80fb726f20
--- /dev/null
+++ b/android/src/com/mapswithme/maps/RenderActivity.java
@@ -0,0 +1,122 @@
+package com.mapswithme.maps;
+
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.View;
+
+import com.mapswithme.maps.base.MWMFragmentActivity;
+
+public abstract class RenderActivity extends MWMFragmentActivity
+                                     implements View.OnTouchListener,
+                                                SurfaceHolder.Callback
+{
+  private int mLastPointerId = 0;
+  private SurfaceHolder mSurfaceHolder = null;
+  private int m_displayDensity = 0;
+
+  @Override
+  public void surfaceCreated(SurfaceHolder surfaceHolder)
+  {
+    Log.i("UVR", "Surface created");
+    mSurfaceHolder = surfaceHolder;
+    InitEngine();
+  }
+
+  @Override
+  public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int w, int h)
+  {
+    SurfaceResized(w, h);
+  }
+
+  @Override
+  public void surfaceDestroyed(SurfaceHolder surfaceHolder)
+  {
+    mSurfaceHolder = null;
+    DestroyEngine();
+  }
+
+  @Override
+  protected void onCreate(Bundle b)
+  {
+    Log.i("UVR", "onCreate");
+    final DisplayMetrics metrics = new DisplayMetrics();
+    getWindowManager().getDefaultDisplay().getMetrics(metrics);
+    m_displayDensity = metrics.densityDpi;
+    super.onCreate(b);
+  }
+
+  @Override
+  protected void onResume()
+  {
+    Log.i("UVR", "onResume");
+    InitEngine();
+    super.onResume();
+  }
+
+  @Override
+  protected void onStop()
+  {
+    super.onStop();
+    DestroyEngine();
+  }
+
+  @Override
+  public boolean onTouch(View view, MotionEvent event)
+  {
+    final int count = event.getPointerCount();
+
+    if (count == 0)
+      return super.onTouchEvent(event);
+
+    switch (count)
+    {
+    case 1:
+    {
+      mLastPointerId = event.getPointerId(0);
+
+      final float x0 = event.getX();
+      final float y0 = event.getY();
+
+      return OnTouch(event.getAction(), true, false, x0, y0, 0, 0);
+    }
+    default:
+    {
+      final float x0 = event.getX(0);
+      final float y0 = event.getY(0);
+
+      final float x1 = event.getX(1);
+      final float y1 = event.getY(1);
+
+      if (event.getPointerId(0) == mLastPointerId)
+        return OnTouch(event.getAction(), true, true, x0, y0, x1, y1);
+      else
+        return OnTouch(event.getAction(), true, true, x1, y1, x0, y0);
+    }
+    }
+  }
+
+  private void InitEngine()
+  {
+    Log.i("UVR", "Init engine");
+    if (mSurfaceHolder != null)
+    {
+      Log.i("UVR", "CreateEngine");
+      if (CreateEngine(mSurfaceHolder.getSurface(), m_displayDensity))
+        OnRenderingInitialized();
+      else
+        ReportUnsupported();
+    }
+  }
+
+  abstract public void OnRenderingInitialized();
+  abstract public void ReportUnsupported();
+
+  private native boolean CreateEngine(Surface surface, int density);
+  private native void SurfaceResized(int w, int h);
+  private native void DestroyEngine();
+  private native boolean OnTouch(int actionType, boolean hasFirst, boolean hasSecond, float x1, float y1, float x2, float y2);
+}