Fix long press touch selection on empty text fields

content/browser/renderer_host/input/touch_selection_controller_client_aura_browsertest.cc

 // Copyright 2015 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_client_aura.h"
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 133 matching lines @@
 
   bool GetPointInsideTextfield(gfx::PointF* point) {
     std::string str;
     if (ExecuteScriptAndExtractString(shell(), "get_point_inside_textfield()",
                                       &str)) {
       return JSONToPoint(str, point);
     }
     return false;
   }
 
-  bool EmptyTextfield() { return ExecuteScript(shell(), "empty_textfield()"); }
+  bool ClearTextfield() { return ExecuteScript(shell(), "clear_textfield()"); }
 
   RenderWidgetHostViewAura* GetRenderWidgetHostViewAura() {
     return static_cast<RenderWidgetHostViewAura*>(
         shell()->web_contents()->GetRenderWidgetHostView());
   }
 
   TestTouchSelectionControllerClientAura* selection_controller_client() {
     return selection_controller_client_;
   }
 
@@ skipping 110 matching lines @@
 // handle.
 IN_PROC_BROWSER_TEST_F(TouchSelectionControllerClientAuraTest,
                        EmptyTextfieldInsertionOnTap) {
   // Set the test page up.
   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("/touch_selection.html"));
   InitSelectionController();
 
   RenderWidgetHostViewAura* rwhva = GetRenderWidgetHostViewAura();
 
   // Clear textfield contents.
-  ASSERT_TRUE(EmptyTextfield());
+  ASSERT_TRUE(ClearTextfield());
 
   EXPECT_EQ(ui::TouchSelectionController::INACTIVE,
             rwhva->selection_controller()->active_status());
   EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
 
   // Tap inside the textfield and wait for the insertion cursor.
   selection_controller_client()->InitWaitForSelectionEvent(
       ui::SELECTION_ESTABLISHED);
 
   gfx::PointF point;
   ASSERT_TRUE(GetPointInsideTextfield(&point));
   ui::GestureEventDetails tap_details(ui::ET_GESTURE_TAP);
   tap_details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHSCREEN);
   tap_details.set_tap_count(1);
   ui::GestureEvent tap(point.x(), point.y(), 0, ui::EventTimeForNow(),
                        tap_details);
   rwhva->OnGestureEvent(&tap);
 
   selection_controller_client()->Wait();
 
   // Check that insertion is not active and the quick menu is not showing.
   EXPECT_EQ(ui::TouchSelectionController::INACTIVE,
             rwhva->selection_controller()->active_status());
   EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
 }
 
+// Tests that long-pressing on an empty textfield brings up the insertion handle
+// and the quick menu.
+IN_PROC_BROWSER_TEST_F(TouchSelectionControllerClientAuraTest,
+                       EmptyTextfieldInsertionOnLongPress) {
+  // Set the test page up.
+  ASSERT_NO_FATAL_FAILURE(StartTestWithPage("/touch_selection.html"));
+  InitSelectionController();
+
+  RenderWidgetHostViewAura* rwhva = GetRenderWidgetHostViewAura();
+
+  // Clear textfield contents.
+  ASSERT_TRUE(ClearTextfield());
+
+  EXPECT_EQ(ui::TouchSelectionController::INACTIVE,
+            rwhva->selection_controller()->active_status());
+  EXPECT_FALSE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+
+  // Long-press inside the textfield and wait for the insertion handle.
+  selection_controller_client()->InitWaitForSelectionEvent(
+      ui::INSERTION_HANDLE_SHOWN);
+
+  gfx::PointF point;
+  ASSERT_TRUE(GetPointInsideTextfield(&point));
+  ui::GestureEventDetails long_press_details(ui::ET_GESTURE_LONG_PRESS);
+  long_press_details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHSCREEN);
+  ui::GestureEvent long_press(point.x(), point.y(), 0, ui::EventTimeForNow(),
+                              long_press_details);
+  rwhva->OnGestureEvent(&long_press);
+
+  selection_controller_client()->Wait();
+
+  // Check that insertion is active and the quick menu is showing.
+  EXPECT_EQ(ui::TouchSelectionController::INSERTION_ACTIVE,
+            rwhva->selection_controller()->active_status());
+  EXPECT_TRUE(ui::TouchSelectionMenuRunner::GetInstance()->IsRunning());
+}
+
 // Tests that the quick menu is hidden whenever a touch point is active.
 IN_PROC_BROWSER_TEST_F(TouchSelectionControllerClientAuraTest,
                        QuickMenuHiddenOnTouch) {
   // Set the test page up.
   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("/touch_selection.html"));
   InitSelectionController();
 
   RenderWidgetHostViewAura* rwhva = GetRenderWidgetHostViewAura();
   EXPECT_EQ(ui::TouchSelectionController::INACTIVE,
             rwhva->selection_controller()->active_status());
@@ skipping 352 matching lines @@
 
   // The handle should have moved to right.
   EXPECT_EQ(initial_handle_rect.y(), moved_handle_rect.y());
   EXPECT_LT(initial_handle_rect.x(), moved_handle_rect.x());
 
   EXPECT_EQ(ui::TouchSelectionController::INSERTION_ACTIVE,
             rwhva->selection_controller()->active_status());
 }
 
 }  // namespace content