android: clicking on toolbar icon exits edit mode

Change-Id: Idc8c94629bd7a23be1e3a13e88debc478d6ab880

android/experimental/LOAndroid3/src/java/org/libreoffice/InvalidationHandler.java

@@ -315,6 +315,10 @@ public class InvalidationHandler implements Document.MessageCallback {
         mTextCursorLayer.showGraphicSelection();
     }
 
+    public OverlayState getCurrentState() {
+        return mState;
+    }
+
     public enum OverlayState {
         NONE,
         TRANSITION,

android/experimental/LOAndroid3/src/java/org/libreoffice/LOEvent.java

@@ -23,6 +23,7 @@ public class LOEvent implements Comparable<LOEvent> {
     public static final int CHANGE_HANDLE_POSITION = 10;
     public static final int SWIPE_RIGHT = 11;
     public static final int SWIPE_LEFT = 12;
+    public static final int NAVIGATION_CLICK = 13;
 
     public final int mType;
     public int mPriority = 0;

android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitShell.java

@@ -142,4 +142,8 @@ public class LOKitShell {
     public static void sendChangeHandlePositionEvent(TextSelectionHandle.HandleType handleType, PointF documentCoordinate) {
         LOKitShell.sendEvent(new LOEvent(LOEvent.CHANGE_HANDLE_POSITION, handleType, documentCoordinate));
     }
+
+    public static void sendNavigationClickEvent() {
+        LOKitShell.sendEvent(new LOEvent(LOEvent.NAVIGATION_CLICK));
+    }
 }

android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitThread.java

@@ -213,6 +213,18 @@ public class LOKitThread extends Thread {
             case LOEvent.SWIPE_RIGHT:
                 onSwipeRight();
                 break;
+            case LOEvent.NAVIGATION_CLICK:
+                if (mInvalidationHandler.getCurrentState() == InvalidationHandler.OverlayState.NONE) {
+                    LOKitShell.getMainHandler().post(new Runnable() {
+                        @Override
+                        public void run() {
+                            LibreOfficeMainActivity.mAppContext.onBackPressed();
+                        }
+                    });
+                } else {
+                    mInvalidationHandler.changeStateTo(InvalidationHandler.OverlayState.NONE);
+                }
+                break;
         }
     }
 

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -126,8 +126,8 @@ public class LibreOfficeMainActivity extends ActionBarActivity {
 
         toolbar.setNavigationOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View v) {
-                onBackPressed();
+            public void onClick(View view) {
+                LOKitShell.sendNavigationClickEvent();
             }
         });