Only exclude workarea from touch-exploration with active shell-surface

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 <math.h>
 #include <stddef.h>
 
 #include "base/macros.h"
@@ skipping 162 matching lines @@
   }
 
   float GetSlopDistanceFromEdge() const {
     return touch_exploration_controller_->kSlopDistanceFromEdge;
   }
 
   void SetTouchAccessibilityAnchorPoint(const gfx::Point& location) {
     touch_exploration_controller_->SetTouchAccessibilityAnchorPoint(location);
   }
 
+  void SetExcludeBounds(const gfx::Rect& bounds) {
+    touch_exploration_controller_->SetExcludeBounds(bounds);
+  }
+
  private:
   std::unique_ptr<TouchExplorationController> touch_exploration_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchExplorationControllerTestApi);
 };
 
 class TouchExplorationTest : public aura::test::AuraTestBase {
  public:
   TouchExplorationTest() : simulated_clock_(nullptr) {}
   ~TouchExplorationTest() override {}
@@ skipping 192 matching lines @@
   float GetSlopDistanceFromEdge() const {
     return touch_exploration_controller_->GetSlopDistanceFromEdge();
   }
 
   base::TimeTicks Now() { return ui::EventTimeForNow(); }
 
   void SetTouchAccessibilityAnchorPoint(const gfx::Point& location) {
     touch_exploration_controller_->SetTouchAccessibilityAnchorPoint(location);
   }
 
+  void SetExcludeBounds(const gfx::Rect& bounds) {
+    touch_exploration_controller_->SetExcludeBounds(bounds);
+  }
+
   std::unique_ptr<test::EventGenerator> generator_;
   ui::GestureDetector::Config gesture_detector_config_;
   // Owned by |ui|.
   base::SimpleTestTickClock* simulated_clock_;
   MockTouchExplorationControllerDelegate delegate_;
 
  private:
   EventCapturer event_capturer_;
   std::unique_ptr<TouchExplorationControllerTestApi>
       touch_exploration_controller_;
@@ skipping 1407 matching lines @@
        ++point) {
     generator_->PressTouch();
     generator_->MoveTouch(initial_press);
     generator_->MoveTouch(*point);
     generator_->ReleaseTouch();
     ASSERT_EQ(1U, delegate_.NumExitScreenSounds());
     delegate_.ResetCountersToZero();
   }
 }
 
+TEST_F(TouchExplorationTest, ExclusionArea) {
+  SwitchTouchExplorationMode(true);
+
+  gfx::Rect window = BoundsOfRootWindowInDIP();
+  gfx::Rect exclude = window;
+  exclude.Inset(0, 0, 0, 30);
+  SetExcludeBounds(exclude);
+
+  gfx::Point in_pt = exclude.CenterPoint();
+  gfx::Point in_mv_pt(in_pt.x(), (in_pt.y() + exclude.bottom()) / 2);
+  gfx::Point out_pt(in_pt.x(), exclude.bottom() + 20);
+  gfx::Point out_mv_pt(in_pt.x(), exclude.bottom() + 10);
+
+  // Motion starting in exclusion bounds is passed-through unchanged.
+  {
+    generator_->set_current_location(in_pt);
+    generator_->PressTouchId(0);
+    AdvanceSimulatedTimePastPotentialTapDelay();
+    generator_->MoveTouchId(out_mv_pt, 0);
+    generator_->ReleaseTouchId(0);
+    EXPECT_TRUE(IsInNoFingersDownState());
+    const ScopedVector<ui::Event>& captured_events = GetCapturedEvents();
+    ASSERT_EQ(3U, captured_events.size());
+    EXPECT_EQ(ui::ET_TOUCH_PRESSED, captured_events[0]->type());
+    EXPECT_EQ(ui::ET_TOUCH_MOVED, captured_events[1]->type());
+    EXPECT_EQ(ui::ET_TOUCH_RELEASED, captured_events[2]->type());
+    ClearCapturedEvents();
+  }
+
+  // Complete motion outside exclusion is rewritten.
+  {
+    generator_->set_current_location(out_pt);
+    generator_->PressTouchId(0);
+    AdvanceSimulatedTimePastTapDelay();
+    generator_->MoveTouchId(out_mv_pt, 0);
+    generator_->ReleaseTouchId(0);
+    AdvanceSimulatedTimePastTapDelay();
+    EXPECT_TRUE(IsInNoFingersDownState());
+    const ScopedVector<ui::Event>& captured_events = GetCapturedEvents();
+    ASSERT_EQ(3U, captured_events.size());
+    for (ui::Event* e : captured_events) {
+      EXPECT_EQ(ui::ET_MOUSE_MOVED, e->type());
+    }
+    ClearCapturedEvents();
+  }
+
+  // For a motion starting outside: outside events are rewritten, inside
+  // events are discarded unless they end the motion.
+  {
+    // finger 0 down outside, moves inside.
+    generator_->set_current_location(out_pt);
+    generator_->PressTouchId(0);
+    AdvanceSimulatedTimePastTapDelay();
+    generator_->MoveTouchId(out_mv_pt, 0);
+    generator_->MoveTouchId(in_mv_pt, 0);
+    ASSERT_EQ(2U, GetCapturedEvents().size());
+    for (ui::Event* e : GetCapturedEvents()) {
+      EXPECT_EQ(ui::ET_MOUSE_MOVED, e->type());
+    }
+    ClearCapturedEvents();
+
+    // finger 1 down inside, moves outside
+    generator_->set_current_location(in_pt);
+    generator_->PressTouchId(1);
+    generator_->MoveTouchId(out_mv_pt, 1);
+    generator_->ReleaseTouchId(1);
+    ASSERT_EQ(0U, GetCapturedEvents().size());
+    EXPECT_FALSE(IsInNoFingersDownState());
+
+    generator_->ReleaseTouchId(0);
+    AdvanceSimulatedTimePastTapDelay();
+    EXPECT_TRUE(IsInNoFingersDownState());
+
+    ASSERT_EQ(1U, GetCapturedEvents().size());
+    EXPECT_EQ(ui::ET_MOUSE_MOVED, GetCapturedEvents()[0]->type());
+    ClearCapturedEvents();
+  }
+}
+
 }  // namespace ui