touch_accessibility_enabler_unittest.cc 7.7 KB

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  1. // Copyright 2016 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "ash/accessibility/chromevox/touch_accessibility_enabler.h"
  5. #include <memory>
  6. #include "ash/accessibility/chromevox/mock_touch_exploration_controller_delegate.h"
  7. #include "ash/accessibility/chromevox/touch_exploration_controller.h"
  8. #include "base/test/simple_test_tick_clock.h"
  9. #include "base/time/time.h"
  10. #include "ui/aura/test/aura_test_base.h"
  11. #include "ui/aura/window.h"
  12. #include "ui/events/event.h"
  13. #include "ui/events/event_utils.h"
  14. #include "ui/events/gestures/gesture_provider_aura.h"
  15. #include "ui/events/test/event_generator.h"
  16. #include "ui/events/test/events_test_utils.h"
  17. #include "ui/gfx/geometry/point.h"
  18. namespace ash {
  19. namespace {
  20. class MockTouchAccessibilityEnablerDelegate
  21. : public TouchAccessibilityEnablerDelegate {
  22. public:
  23. MockTouchAccessibilityEnablerDelegate() {}
  24. MockTouchAccessibilityEnablerDelegate(
  25. const MockTouchAccessibilityEnablerDelegate&) = delete;
  26. MockTouchAccessibilityEnablerDelegate& operator=(
  27. const MockTouchAccessibilityEnablerDelegate&) = delete;
  28. ~MockTouchAccessibilityEnablerDelegate() override {}
  29. void OnTwoFingerTouchStart() override { started_ = true; }
  30. void OnTwoFingerTouchStop() override { stopped_ = true; }
  31. void PlaySpokenFeedbackToggleCountdown(int tick_count) override {
  32. ++feedback_progress_sound_count_;
  33. }
  34. void ToggleSpokenFeedback() override { toggle_spoken_feedback_ = true; }
  35. bool started() { return started_; }
  36. bool stopped() { return stopped_; }
  37. size_t feedback_progress_sound_count() const {
  38. return feedback_progress_sound_count_;
  39. }
  40. bool toggle_spoken_feedback() const { return toggle_spoken_feedback_; }
  41. private:
  42. bool started_ = false;
  43. bool stopped_ = false;
  44. size_t feedback_progress_sound_count_ = 0;
  45. bool toggle_spoken_feedback_ = false;
  46. };
  47. class TouchAccessibilityEnablerTest : public aura::test::AuraTestBase {
  48. public:
  49. TouchAccessibilityEnablerTest() {}
  50. TouchAccessibilityEnablerTest(const TouchAccessibilityEnablerTest&) = delete;
  51. TouchAccessibilityEnablerTest& operator=(
  52. const TouchAccessibilityEnablerTest&) = delete;
  53. ~TouchAccessibilityEnablerTest() override {}
  54. void SetUp() override {
  55. aura::test::AuraTestBase::SetUp();
  56. generator_ = std::make_unique<ui::test::EventGenerator>(root_window());
  57. // Tests fail if time is ever 0.
  58. simulated_clock_.Advance(base::Milliseconds(10));
  59. ui::SetEventTickClockForTesting(&simulated_clock_);
  60. enabler_ =
  61. std::make_unique<TouchAccessibilityEnabler>(root_window(), &delegate_);
  62. }
  63. void TearDown() override {
  64. enabler_.reset(nullptr);
  65. ui::SetEventTickClockForTesting(nullptr);
  66. aura::test::AuraTestBase::TearDown();
  67. }
  68. protected:
  69. base::TimeTicks Now() {
  70. // This is the same as what EventTimeForNow() does, but here we do it
  71. // with our simulated clock.
  72. return simulated_clock_.NowTicks();
  73. }
  74. std::unique_ptr<ui::test::EventGenerator> generator_;
  75. base::SimpleTestTickClock simulated_clock_;
  76. MockTouchAccessibilityEnablerDelegate delegate_;
  77. std::unique_ptr<TouchAccessibilityEnabler> enabler_;
  78. ui::GestureDetector::Config gesture_detector_config_;
  79. };
  80. } // namespace
  81. TEST_F(TouchAccessibilityEnablerTest, InteractsWithTouchExplorationController) {
  82. // This test ensures that if TouchExplorationController starts and stops,
  83. // TouchAccessibilityEnabler continues to work correctly. Because
  84. // TouchExplorationController rewrites most touch events, it can screw up
  85. // TouchAccessibilityEnabler if they don't explicitly coordinate.
  86. MockTouchExplorationControllerDelegate delegate;
  87. std::unique_ptr<TouchExplorationController> controller(
  88. new TouchExplorationController(root_window(), &delegate,
  89. enabler_->GetWeakPtr()));
  90. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  91. generator_->set_current_screen_location(gfx::Point(11, 12));
  92. generator_->PressTouchId(1);
  93. simulated_clock_.Advance(base::Milliseconds(500));
  94. generator_->set_current_screen_location(gfx::Point(22, 34));
  95. generator_->PressTouchId(2);
  96. EXPECT_TRUE(enabler_->IsInTwoFingersDownForTesting());
  97. controller.reset();
  98. generator_->ReleaseTouchId(1);
  99. generator_->ReleaseTouchId(2);
  100. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  101. }
  102. TEST_F(TouchAccessibilityEnablerTest, EntersOneFingerDownMode) {
  103. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  104. EXPECT_FALSE(enabler_->IsInOneFingerDownForTesting());
  105. generator_->set_current_screen_location(gfx::Point(11, 12));
  106. generator_->PressTouch();
  107. EXPECT_FALSE(enabler_->IsInNoFingersDownForTesting());
  108. EXPECT_TRUE(enabler_->IsInOneFingerDownForTesting());
  109. }
  110. TEST_F(TouchAccessibilityEnablerTest, EntersTwoFingersDownMode) {
  111. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  112. generator_->set_current_screen_location(gfx::Point(11, 12));
  113. generator_->PressTouchId(1);
  114. generator_->set_current_screen_location(gfx::Point(22, 34));
  115. generator_->PressTouchId(2);
  116. EXPECT_TRUE(enabler_->IsInTwoFingersDownForTesting());
  117. }
  118. TEST_F(TouchAccessibilityEnablerTest, PlaysProgressSound) {
  119. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  120. generator_->set_current_screen_location(gfx::Point(11, 12));
  121. generator_->PressTouchId(1);
  122. generator_->set_current_screen_location(gfx::Point(22, 34));
  123. generator_->PressTouchId(2);
  124. EXPECT_TRUE(enabler_->IsInTwoFingersDownForTesting());
  125. EXPECT_EQ(0U, delegate_.feedback_progress_sound_count());
  126. enabler_->TriggerOnTimerForTesting();
  127. EXPECT_EQ(0U, delegate_.feedback_progress_sound_count());
  128. simulated_clock_.Advance(base::Milliseconds(3000));
  129. enabler_->TriggerOnTimerForTesting();
  130. EXPECT_EQ(1U, delegate_.feedback_progress_sound_count());
  131. }
  132. TEST_F(TouchAccessibilityEnablerTest, TogglesSpokenFeedback) {
  133. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  134. generator_->set_current_screen_location(gfx::Point(11, 12));
  135. generator_->PressTouchId(1);
  136. generator_->set_current_screen_location(gfx::Point(22, 34));
  137. generator_->PressTouchId(2);
  138. EXPECT_TRUE(enabler_->IsInTwoFingersDownForTesting());
  139. EXPECT_FALSE(delegate_.toggle_spoken_feedback());
  140. EXPECT_TRUE(delegate_.started());
  141. EXPECT_FALSE(delegate_.stopped());
  142. enabler_->TriggerOnTimerForTesting();
  143. EXPECT_FALSE(delegate_.toggle_spoken_feedback());
  144. simulated_clock_.Advance(base::Milliseconds(5000));
  145. enabler_->TriggerOnTimerForTesting();
  146. EXPECT_TRUE(delegate_.toggle_spoken_feedback());
  147. EXPECT_TRUE(delegate_.started());
  148. EXPECT_FALSE(delegate_.stopped());
  149. }
  150. TEST_F(TouchAccessibilityEnablerTest, ThreeFingersCancelsDetection) {
  151. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  152. generator_->set_current_screen_location(gfx::Point(11, 12));
  153. generator_->PressTouchId(1);
  154. generator_->set_current_screen_location(gfx::Point(22, 34));
  155. generator_->PressTouchId(2);
  156. EXPECT_TRUE(enabler_->IsInTwoFingersDownForTesting());
  157. EXPECT_TRUE(delegate_.started());
  158. EXPECT_FALSE(delegate_.stopped());
  159. generator_->set_current_screen_location(gfx::Point(33, 56));
  160. generator_->PressTouchId(3);
  161. EXPECT_TRUE(enabler_->IsInWaitForNoFingersForTesting());
  162. EXPECT_TRUE(delegate_.started());
  163. EXPECT_TRUE(delegate_.stopped());
  164. }
  165. TEST_F(TouchAccessibilityEnablerTest, MovingFingerPastSlopCancelsDetection) {
  166. EXPECT_TRUE(enabler_->IsInNoFingersDownForTesting());
  167. generator_->set_current_screen_location(gfx::Point(11, 12));
  168. generator_->PressTouch();
  169. int slop = gesture_detector_config_.double_tap_slop;
  170. int half_slop = slop / 2;
  171. generator_->MoveTouch(gfx::Point(11 + half_slop, 12));
  172. EXPECT_TRUE(enabler_->IsInOneFingerDownForTesting());
  173. generator_->MoveTouch(gfx::Point(11 + slop + 1, 12));
  174. EXPECT_TRUE(enabler_->IsInWaitForNoFingersForTesting());
  175. }
  176. } // namespace ash