Implement touch exploration touch typing

ui/chromeos/touch_exploration_controller_unittest.cc

Index: ui/chromeos/touch_exploration_controller_unittest.cc
diff --git a/ui/chromeos/touch_exploration_controller_unittest.cc b/ui/chromeos/touch_exploration_controller_unittest.cc
index c05e181298cc1a42d93945d1609b9e0132a66dd5..f77299296e47211c67eda3b2e01e0e24774a7648 100644
--- a/ui/chromeos/touch_exploration_controller_unittest.cc
+++ b/ui/chromeos/touch_exploration_controller_unittest.cc
@@ -190,6 +190,10 @@ class TouchExplorationControllerTestApi {
     touch_exploration_controller_->SetExcludeBounds(bounds);
   }
 
+  void SetLiftActivationBounds(const gfx::Rect& bounds) {
+    touch_exploration_controller_->SetLiftActivationBounds(bounds);
+  }
+
  private:
   std::unique_ptr<TouchExplorationController> touch_exploration_controller_;
 
@@ -413,6 +417,10 @@ class TouchExplorationTest : public aura::test::AuraTestBase {
     touch_exploration_controller_->SetExcludeBounds(bounds);
   }
 
+  void SetLiftActivationBounds(const gfx::Rect& bounds) {
+    touch_exploration_controller_->SetLiftActivationBounds(bounds);
+  }
+
   std::unique_ptr<test::EventGenerator> generator_;
   ui::GestureDetector::Config gesture_detector_config_;
   // Owned by |ui|.
@@ -1976,4 +1984,85 @@ TEST_F(TouchExplorationTest, ExclusionArea) {
   }
 }
 
+TEST_F(TouchExplorationTest, SingleTapInActivationArea) {

[dmazzoni, 2017/05/19 19:44:49]

Maybe ...InLiftActivationArea to be clear?

[David Tseng, 2017/05/24 15:40:19]

Done.

+  SwitchTouchExplorationMode(true);
+
+  gfx::Rect window = BoundsOfRootWindowInDIP();
+  gfx::Rect lift_activation = window;
+  lift_activation.Inset(0, 0, 0, 30);
+  SetLiftActivationBounds(lift_activation);
+
+  // Tap at one location, and get tap and mouse move events.
+  gfx::Point tap_location = lift_activation.CenterPoint();
+
+  // The user has to have previously selected something.
+  SetTouchAccessibilityAnchorPoint(tap_location);
+
+  generator_->set_current_location(tap_location);
+  generator_->PressTouchId(1);
+  generator_->ReleaseTouchId(1);
+  AdvanceSimulatedTimePastTapDelay();
+
+  const EventList& captured_events = GetCapturedEvents();
+  ASSERT_EQ(3U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, captured_events[2]->type());
+  ClearCapturedEvents();
+
+  gfx::Point out_tap_location(tap_location.x(), lift_activation.bottom() + 20);
+  SetTouchAccessibilityAnchorPoint(out_tap_location);
+  generator_->set_current_location(out_tap_location);
+  generator_->PressTouchId(1);
+  generator_->ReleaseTouchId(1);
+  AdvanceSimulatedTimePastTapDelay();
+
+  const EventList& out_captured_events = GetCapturedEvents();
+  ASSERT_EQ(1U, out_captured_events.size());
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, out_captured_events[0]->type());
+}
+
+TEST_F(TouchExplorationTest, TouchExploreLiftInActivationArea) {
+  SwitchTouchExplorationMode(true);
+
+  gfx::Rect window = BoundsOfRootWindowInDIP();
+  gfx::Rect lift_activation = window;
+  lift_activation.Inset(0, 0, 0, 30);
+  SetLiftActivationBounds(lift_activation);
+
+  // Explore at one location, and get tap and mouse move events.
+  gfx::Point tap_location = lift_activation.CenterPoint();
+  EnterTouchExplorationModeAtLocation(tap_location);
+  ClearCapturedEvents();
+
+  // A touch release should trigger a tap.
+  ui::TouchEvent touch_explore_release(
+      ui::ET_TOUCH_RELEASED, tap_location, Now(),
+      ui::PointerDetails(ui::EventPointerType::POINTER_TYPE_TOUCH, 0));
+  generator_->Dispatch(&touch_explore_release);
+  AdvanceSimulatedTimePastTapDelay();
+
+  const EventList& captured_events = GetCapturedEvents();
+  ASSERT_EQ(3U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, captured_events[2]->type());
+  ClearCapturedEvents();
+
+  // Touch explore inside the activation bounds, but lift outside.
+  gfx::Point out_tap_location(tap_location.x(), lift_activation.bottom() + 20);
+  SetTouchAccessibilityAnchorPoint(out_tap_location);
+  EnterTouchExplorationModeAtLocation(tap_location);
+  ClearCapturedEvents();
+  ui::TouchEvent out_touch_explore_release(
+      ui::ET_TOUCH_RELEASED, out_tap_location, Now(),
+      ui::PointerDetails(ui::EventPointerType::POINTER_TYPE_TOUCH, 0));
+  generator_->Dispatch(&out_touch_explore_release);
+  AdvanceSimulatedTimePastTapDelay();
+
+  const EventList& out_captured_events = GetCapturedEvents();
+  ASSERT_EQ(1U, out_captured_events.size());
+  EXPECT_EQ(ui::ET_MOUSE_MOVED, out_captured_events[0]->type());
+}
+
 }  // namespace ui