[Android] Perform haptic feedback after long press when appropriate

content/browser/renderer_host/input/touch_selection_controller_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/input/touch_selection_controller.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/test/mock_motion_event.h"
 
 using ui::test::MockMotionEvent;
@@ skipping 460 matching lines @@
   start_rect.Offset(1, 0);
   ChangeSelection(start_rect, visible, end_rect, visible);
   // Selection movement does not currently trigger a separate event.
   EXPECT_EQ(SELECTION_SHOWN, GetLastEventType());
 
   ClearSelection();
   EXPECT_EQ(SELECTION_CLEARED, GetLastEventType());
   EXPECT_EQ(gfx::PointF(), GetLastEventAnchor());
 }
 
+TEST_F(TouchSelectionControllerTest, SelectionRepeatedLongPress) {
+  gfx::RectF start_rect(5, 5, 0, 10);
+  gfx::RectF end_rect(50, 5, 0, 10);
+  bool visible = true;
+
+  controller().OnLongPressEvent();
+  ChangeSelection(start_rect, visible, end_rect, visible);
+  EXPECT_EQ(SELECTION_SHOWN, GetLastEventType());
+  EXPECT_EQ(start_rect.bottom_left(), GetLastEventAnchor());
+
+  // A long press triggering a new selection should re-send the SELECTION_SHOWN
+  // event notification.
+  start_rect.Offset(10, 10);
+  controller().OnLongPressEvent();
+  ChangeSelection(start_rect, visible, end_rect, visible);
+  EXPECT_EQ(SELECTION_SHOWN, GetLastEventType());
+  EXPECT_EQ(start_rect.bottom_left(), GetLastEventAnchor());
+}
+
 TEST_F(TouchSelectionControllerTest, SelectionDragged) {
   base::TimeTicks event_time = base::TimeTicks::Now();
   controller().OnLongPressEvent();
 
   // The touch sequence should not be handled if selection is not active.
   MockMotionEvent event(MockMotionEvent::ACTION_DOWN, event_time, 0, 0);
   EXPECT_FALSE(controller().WillHandleTouchEvent(event));
 
   float line_height = 10.f;
   gfx::RectF start_rect(0, 0, 0, line_height);
@@ skipping 132 matching lines @@
 
   visible = true;
   ChangeInsertion(insertion_rect, visible);
   EXPECT_FALSE(GetAndResetNeedsAnimate());
 
   controller().SetTemporarilyHidden(false);
   EXPECT_TRUE(GetAndResetNeedsAnimate());
 }
 
 }  // namespace content