Added split tap to TouchExplorationController

ui/chromeos/touch_exploration_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 "ui/chromeos/touch_exploration_controller.h"
 
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/time.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/test/aura_test_base.h"
@@ skipping 667 matching lines @@
   // This should result in a single touch long press and release
   // at the location of the tap, not at the location of the double-tap.
   // There should be a time delay between the touch press and release.
   gfx::Point first_tap_location(33, 34);
   generator_->set_current_location(first_tap_location);
   generator_->PressTouch();
   generator_->ReleaseTouch();
   gfx::Point second_tap_location(23, 24);
   generator_->set_current_location(second_tap_location);
   generator_->PressTouch();
-  simulated_clock_->Advance(base::TimeDelta::FromMilliseconds(8000));
+  simulated_clock_->Advance(gesture_detector_config_.longpress_timeout);
   generator_->ReleaseTouch();
 
   const ScopedVector<ui::LocatedEvent>& captured_events = GetCapturedEvents();
   ASSERT_EQ(2U, captured_events.size());
   EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
   EXPECT_EQ(tap_location, captured_events[0]->location());
   base::TimeDelta pressed_time = captured_events[0]->time_stamp();
   EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
   EXPECT_EQ(tap_location, captured_events[1]->location());
   base::TimeDelta released_time = captured_events[1]->time_stamp();
-  EXPECT_EQ(
-      base::TimeDelta::FromMilliseconds(8000),
-      released_time - pressed_time);
-}
+  EXPECT_EQ(gesture_detector_config_.longpress_timeout,
+            released_time - pressed_time);
+}
+
+// Tapping and releasing with a second finger when in touch exploration mode
+// should send a touch press and released to the location of the last
+// successful touch exploration and return to touch explore.
+TEST_F(TouchExplorationTest, SplitTap) {
+  SwitchTouchExplorationMode(true);
+  gfx::Point tap_location(11, 12);
+
+ // Confirm events from other fingers go through as is.
+  ui::TouchEvent touch0_press(ui::ET_TOUCH_PRESSED, tap_location, 0, Now());
+  ui::TouchEvent touch1_press(
+      ui::ET_TOUCH_PRESSED, gfx::Point(33, 34), 1, Now());
+  ui::TouchEvent touch1_release(
+      ui::ET_TOUCH_RELEASED, gfx::Point(33, 34), 1, Now());
+
+  // Tap and hold at one location, and get a mouse move event in touch explore.
+  generator_->Dispatch(&touch0_press);
+  AdvanceSimulatedTimePastTapDelay();
+  EXPECT_TRUE(IsInTouchToMouseMode());
+
+  std::vector<ui::LocatedEvent*> events =
+      GetCapturedEventsOfType(ui::ET_MOUSE_MOVED);
+  ASSERT_EQ(1U, events.size());
+
+  EXPECT_EQ(tap_location, events[0]->location());
+  EXPECT_TRUE(events[0]->flags() & ui::EF_IS_SYNTHESIZED);
+  EXPECT_TRUE(events[0]->flags() & ui::EF_TOUCH_ACCESSIBILITY);
+  ClearCapturedEvents();
+
+  // Now tap and release at a different location. This should result in a
+  // single touch and release at the location of the first (held) tap,
+  // not at the location of the second tap and release.
+  // After the release, there is still a finger in touch explore mode.
+  generator_->Dispatch(&touch1_press);
+  generator_->Dispatch(&touch1_release);
+  EXPECT_FALSE(IsInNoFingersDownState());
+
+  const ScopedVector<ui::LocatedEvent>& captured_events = GetCapturedEvents();
+  ASSERT_EQ(2U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(tap_location, captured_events[0]->location());
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(tap_location, captured_events[1]->location());
+}
+
+// If split tap is started but the touch explore finger is released first,
+// there should still be a touch press and release sent to the location of
+// the last successful touch exploration.
+// All fingers should be released after the click goes through.
+TEST_F(TouchExplorationTest, SplitTapRelease) {
+  SwitchTouchExplorationMode(true);
+
+  gfx::Point tap_location(11, 12);
+
+ // Confirm events from other fingers go through as is.
+  ui::TouchEvent touch0_press(ui::ET_TOUCH_PRESSED, tap_location, 0, Now());
+  ui::TouchEvent touch1_press(
+      ui::ET_TOUCH_PRESSED, gfx::Point(33, 34), 1, Now());
+  ui::TouchEvent touch0_release(ui::ET_TOUCH_RELEASED, tap_location, 0, Now());
+  ui::TouchEvent touch1_release(
+      ui::ET_TOUCH_RELEASED, gfx::Point(33, 34), 1, Now());
+
+  // Tap and hold at one location, and get a mouse move event in touch explore.
+  generator_->Dispatch(&touch0_press);
+  AdvanceSimulatedTimePastTapDelay();
+  EXPECT_TRUE(IsInTouchToMouseMode());
+
+  std::vector<ui::LocatedEvent*> events =
+      GetCapturedEventsOfType(ui::ET_MOUSE_MOVED);
+  ASSERT_EQ(1U, events.size());
+
+  EXPECT_EQ(tap_location, events[0]->location());
+  EXPECT_TRUE(events[0]->flags() & ui::EF_IS_SYNTHESIZED);
+  EXPECT_TRUE(events[0]->flags() & ui::EF_TOUCH_ACCESSIBILITY);
+  ClearCapturedEvents();
+
+  // Now tap at a different location. Release at the first location,
+  // then release at the second. This should result in a
+  // single touch and release at the location of the first (held) tap,
+  // not at the location of the second tap and release.
+  generator_->Dispatch(&touch1_press);
+  generator_->Dispatch(&touch0_release);
+  generator_->Dispatch(&touch1_release);
+  EXPECT_TRUE(IsInNoFingersDownState());
+
+  const ScopedVector<ui::LocatedEvent>& captured_events = GetCapturedEvents();
+  ASSERT_EQ(2U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(tap_location, captured_events[0]->location());
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(tap_location, captured_events[1]->location());
+}
+
+// When in touch exploration mode, making a long press with a second finger
+// should send a touch press and released to the location of the last
+// successful touch exploration. There should be a delay between the
+// touch and release events (right click).
+TEST_F(TouchExplorationTest, SplitTapLongPress) {
+  SwitchTouchExplorationMode(true);
+  gfx::Point tap_location(11, 12);
+
+ // Confirm events from other fingers go through as is.
+  ui::TouchEvent touch0_press(ui::ET_TOUCH_PRESSED, tap_location, 0, Now());
+  ui::TouchEvent touch1_press(
+      ui::ET_TOUCH_PRESSED, gfx::Point(33, 34), 1, Now());
+  simulated_clock_->Advance(gesture_detector_config_.longpress_timeout);
+  ui::TouchEvent touch1_release(
+      ui::ET_TOUCH_RELEASED, gfx::Point(33, 34), 1, Now());
+
+  // Tap and hold at one location, and get a mouse move event in touch explore.
+  generator_->Dispatch(&touch0_press);
+  AdvanceSimulatedTimePastTapDelay();
+  EXPECT_TRUE(IsInTouchToMouseMode());
+
+  std::vector<ui::LocatedEvent*> events =
+      GetCapturedEventsOfType(ui::ET_MOUSE_MOVED);
+  ASSERT_EQ(1U, events.size());
+
+  EXPECT_EQ(tap_location, events[0]->location());
+  EXPECT_TRUE(events[0]->flags() & ui::EF_IS_SYNTHESIZED);
+  EXPECT_TRUE(events[0]->flags() & ui::EF_TOUCH_ACCESSIBILITY);
+  ClearCapturedEvents();
+
+  // Now tap and release at a different location. This should result in a
+  // single touch and release at the location of the first (held) tap,
+  // not at the location of the second tap and release.
+  // After the release, there is still a finger in touch explore mode.
+  generator_->Dispatch(&touch1_press);
+  generator_->Dispatch(&touch1_release);
+  EXPECT_FALSE(IsInNoFingersDownState());
+
+  const ScopedVector<ui::LocatedEvent>& captured_events = GetCapturedEvents();
+  ASSERT_EQ(2U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(tap_location, captured_events[0]->location());
+  base::TimeDelta pressed_time = captured_events[0]->time_stamp();
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(tap_location, captured_events[1]->location());
+  base::TimeDelta released_time = captured_events[1]->time_stamp();
+  EXPECT_EQ(gesture_detector_config_.longpress_timeout,
+            released_time - pressed_time);
+}
+
+// If split tap is started but the touch explore finger is released first,
+// there should still be a touch press and release sent to the location of
+// the last successful touch exploration. If the remaining finger is held
+// as a longpress, there should be a delay between the sent touch and release
+// events (right click).
+// All fingers should be released after the click goes through.
+TEST_F(TouchExplorationTest, SplitTapReleaseLongPress) {
+  SwitchTouchExplorationMode(true);
+  gfx::Point tap_location(11, 12);
+
+ // Confirm events from other fingers go through as is.
+  ui::TouchEvent touch0_press(ui::ET_TOUCH_PRESSED, tap_location, 0, Now());
+  ui::TouchEvent touch1_press(
+      ui::ET_TOUCH_PRESSED, gfx::Point(33, 34), 1, Now());
+  ui::TouchEvent touch0_release(ui::ET_TOUCH_RELEASED, tap_location, 0, Now());
+  simulated_clock_->Advance(gesture_detector_config_.longpress_timeout);
+  ui::TouchEvent touch1_release(
+      ui::ET_TOUCH_RELEASED, gfx::Point(33, 34), 1, Now());
+
+  // Tap and hold at one location, and get a mouse move event in touch explore.
+  generator_->Dispatch(&touch0_press);
+  AdvanceSimulatedTimePastTapDelay();
+  EXPECT_TRUE(IsInTouchToMouseMode());
+
+  std::vector<ui::LocatedEvent*> events =
+      GetCapturedEventsOfType(ui::ET_MOUSE_MOVED);
+  ASSERT_EQ(1U, events.size());
+
+  EXPECT_EQ(tap_location, events[0]->location());
+  EXPECT_TRUE(events[0]->flags() & ui::EF_IS_SYNTHESIZED);
+  EXPECT_TRUE(events[0]->flags() & ui::EF_TOUCH_ACCESSIBILITY);
+  ClearCapturedEvents();
+
+  // Now tap at a different location. Release at the first location,
+  // then release at the second. This should result in a
+  // single touch and release at the location of the first (held) tap,
+  // not at the location of the second tap and release.
+  // After the release, TouchToMouseMode should still be on.
+  generator_->Dispatch(&touch1_press);
+  generator_->Dispatch(&touch0_release);
+  generator_->Dispatch(&touch1_release);
+  EXPECT_TRUE(IsInTouchToMouseMode());
+
+  const ScopedVector<ui::LocatedEvent>& captured_events = GetCapturedEvents();
+  ASSERT_EQ(2U, captured_events.size());
+  EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+  EXPECT_EQ(tap_location, captured_events[0]->location());
+  base::TimeDelta pressed_time = captured_events[0]->time_stamp();
+  EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[1]->type());
+  EXPECT_EQ(tap_location, captured_events[1]->location());
+  base::TimeDelta released_time = captured_events[1]->time_stamp();
+  EXPECT_EQ(gesture_detector_config_.longpress_timeout,
+            released_time - pressed_time);
+ }
+
 
 }  // namespace ui