content/browser/renderer_host/input/gesture_text_selector_unittest.cc

   1 // Copyright 2014 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
   5 #include <string>
   6 #include <vector>
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/time/time.h"
  10 #include "content/browser/renderer_host/input/gesture_text_selector.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12 #include "ui/events/event_constants.h"
  13 #include "ui/events/gesture_detection/gesture_event_data.h"
  14 #include "ui/events/gesture_detection/motion_event.h"
  15 #include "ui/events/test/mock_motion_event.h"
  16 #include "ui/gfx/geometry/rect_f.h"
  17
  18 using ui::GestureEventData;
  19 using ui::GestureEventDetails;
  20 using ui::MotionEvent;
  21 using ui::test::MockMotionEvent;
  22
  23 namespace content {
  24
  25 class GestureTextSelectorTest : public testing::Test,
  26                                 public GestureTextSelectorClient {
  27  public:
  28   GestureTextSelectorTest() {}
  29   virtual ~GestureTextSelectorTest() {}
  30
  31   // Test implementation.
  32   virtual void SetUp() OVERRIDE {
  33     selector_.reset(new GestureTextSelector(this));
  34     event_log_.clear();
  35   }
  36
  37   virtual void TearDown() OVERRIDE {
  38     selector_.reset();
  39     event_log_.clear();
  40   }
  41
  42   // GestureTextSelectorClient implementation.
  43   virtual void ShowSelectionHandlesAutomatically() OVERRIDE {
  44     event_log_.push_back("Show");
  45   }
  46
  47   virtual void SelectRange(float x1, float y1, float x2, float y2) OVERRIDE {
  48     event_log_.push_back("SelectRange");
  49   }
  50
  51   virtual void Unselect() OVERRIDE {
  52     event_log_.push_back("Unselect");
  53   }
  54
  55   virtual void LongPress(base::TimeTicks time, float x, float y) OVERRIDE {
  56     event_log_.push_back("LongPress");
  57   }
  58
  59  protected:
  60   static GestureEventData CreateGesture(ui::EventType type,
  61                                         base::TimeTicks event_time,
  62                                         float x,
  63                                         float y) {
  64     return GestureEventData(GestureEventDetails(type, 0, 0),
  65                             0,
  66                             MotionEvent::TOOL_TYPE_FINGER,
  67                             event_time,
  68                             x,
  69                             y,
  70                             x,
  71                             y,
  72                             1,
  73                             gfx::RectF(0, 0, 0, 0));
  74   }
  75
  76   scoped_ptr<GestureTextSelector> selector_;
  77   std::vector<std::string> event_log_;
  78 };
  79
  80 TEST_F(GestureTextSelectorTest, ShouldStartTextSelection) {
  81   base::TimeTicks event_time = base::TimeTicks::Now();
  82   {  // Touched with a finger.
  83     MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
  84     e.SetToolType(0, MotionEvent::TOOL_TYPE_FINGER);
  85     e.set_button_state(0);
  86     EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
  87   }
  88
  89   {  // Touched with a stylus, but no button pressed.
  90     MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
  91     e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
  92     e.set_button_state(0);
  93     EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
  94   }
  95
  96   {  // Touched with a stylus, with first button (BUTTON_SECONDARY) pressed.
  97     MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
  98     e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
  99     e.set_button_state(MotionEvent::BUTTON_SECONDARY);
 100     EXPECT_TRUE(selector_->ShouldStartTextSelection(e));
 101   }
 102
 103   {  // Touched with a stylus, with two buttons pressed.
 104     MockMotionEvent e(MotionEvent::ACTION_DOWN, event_time, 50.0f, 50.0f);
 105     e.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 106     e.set_button_state(
 107         MotionEvent::BUTTON_SECONDARY | MotionEvent::BUTTON_TERTIARY);
 108     EXPECT_FALSE(selector_->ShouldStartTextSelection(e));
 109   }
 110 }
 111
 112 TEST_F(GestureTextSelectorTest, FingerTouch) {
 113   base::TimeTicks event_time = base::TimeTicks::Now();
 114   const float x = 50.0f;
 115   const float y = 30.0f;
 116   // 1. Touched with a finger: ignored
 117   MockMotionEvent finger(MotionEvent::ACTION_DOWN, event_time, x, y);
 118   finger.SetToolType(0, MotionEvent::TOOL_TYPE_FINGER);
 119   EXPECT_FALSE(selector_->OnTouchEvent(finger));
 120   // We do not consume finger events.
 121   EXPECT_TRUE(event_log_.empty());
 122 }
 123
 124 TEST_F(GestureTextSelectorTest, PenDragging) {
 125   base::TimeTicks event_time = base::TimeTicks::Now();
 126   const float x1 = 50.0f;
 127   const float y1 = 30.0f;
 128   const float x2 = 100.0f;
 129   const float y2 = 90.0f;
 130   // 1. ACTION_DOWN with stylus + button
 131   event_time += base::TimeDelta::FromMilliseconds(10);
 132   MockMotionEvent action_down(MotionEvent::ACTION_DOWN, event_time, x1, y1);
 133   action_down.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 134   action_down.set_button_state(MotionEvent::BUTTON_SECONDARY);
 135   EXPECT_TRUE(selector_->OnTouchEvent(action_down));
 136   EXPECT_TRUE(event_log_.empty());
 137
 138   // 2. ACTION_MOVE
 139   event_time += base::TimeDelta::FromMilliseconds(10);
 140   MockMotionEvent action_move(MotionEvent::ACTION_MOVE, event_time, x2, y2);
 141   action_move.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 142   action_move.set_button_state(MotionEvent::BUTTON_SECONDARY);
 143   EXPECT_TRUE(selector_->OnTouchEvent(action_move));
 144   EXPECT_TRUE(event_log_.empty());
 145
 146   // 3. DOUBLE TAP
 147   // Suppress most gesture events when in text selection mode.
 148   event_time += base::TimeDelta::FromMilliseconds(10);
 149   const GestureEventData double_tap =
 150       CreateGesture(ui::ET_GESTURE_DOUBLE_TAP, event_time, x2, y2);
 151   EXPECT_TRUE(selector_->OnGestureEvent(double_tap));
 152   EXPECT_TRUE(event_log_.empty());
 153
 154   // 4. ET_GESTURE_SCROLL_BEGIN
 155   event_time += base::TimeDelta::FromMilliseconds(10);
 156   const GestureEventData scroll_begin =
 157       CreateGesture(ui::ET_GESTURE_SCROLL_BEGIN, event_time, x1, y1);
 158   EXPECT_TRUE(selector_->OnGestureEvent(scroll_begin));
 159   EXPECT_EQ(1u, event_log_.size());  // Unselect
 160
 161   // 5. ET_GESTURE_SCROLL_UPDATE
 162   event_time += base::TimeDelta::FromMilliseconds(10);
 163   const GestureEventData scroll_update =
 164       CreateGesture(ui::ET_GESTURE_SCROLL_UPDATE, event_time, x2, y2);
 165   EXPECT_TRUE(selector_->OnGestureEvent(scroll_update));
 166   EXPECT_EQ(3u, event_log_.size());  // Unselect, Show, SelectRange
 167   EXPECT_STREQ("SelectRange", event_log_.back().c_str());
 168
 169   // 6. ACTION_UP
 170   event_time += base::TimeDelta::FromMilliseconds(10);
 171   MockMotionEvent action_up(MotionEvent::ACTION_UP, event_time, x2, y2);
 172   action_up.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 173   action_up.set_button_state(0);
 174   EXPECT_TRUE(selector_->OnTouchEvent(action_up));
 175   EXPECT_EQ(3u, event_log_.size());  // NO CHANGE
 176
 177   // 7. ET_GESTURE_SCROLL_END
 178   event_time += base::TimeDelta::FromMilliseconds(10);
 179   const GestureEventData scroll_end =
 180       CreateGesture(ui::ET_GESTURE_SCROLL_END, event_time, x2, y2);
 181   EXPECT_TRUE(selector_->OnGestureEvent(scroll_end));
 182   EXPECT_EQ(3u, event_log_.size());  // NO CHANGE
 183 }
 184
 185 TEST_F(GestureTextSelectorTest, TapToSelectWord) {
 186   base::TimeTicks event_time = base::TimeTicks::Now();
 187   const float x1 = 50.0f;
 188   const float y1 = 30.0f;
 189   const float x2 = 51.0f;
 190   const float y2 = 31.0f;
 191   // 1. ACTION_DOWN with stylus + button
 192   event_time += base::TimeDelta::FromMilliseconds(10);
 193   MockMotionEvent action_down(MotionEvent::ACTION_DOWN, event_time, x1, y1);
 194   action_down.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 195   action_down.set_button_state(MotionEvent::BUTTON_SECONDARY);
 196   EXPECT_TRUE(selector_->OnTouchEvent(action_down));
 197   EXPECT_TRUE(event_log_.empty());
 198
 199   // 5. TAP_DOWN
 200   event_time += base::TimeDelta::FromMilliseconds(10);
 201   const GestureEventData tap_down =
 202       CreateGesture(ui::ET_GESTURE_TAP_DOWN, event_time, x2, y2);
 203   EXPECT_TRUE(selector_->OnGestureEvent(tap_down));
 204   EXPECT_TRUE(event_log_.empty());
 205
 206   // 2. ACTION_MOVE
 207   event_time += base::TimeDelta::FromMilliseconds(10);
 208   MockMotionEvent action_move(MotionEvent::ACTION_MOVE, event_time, x2, y2);
 209   action_move.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 210   action_move.set_button_state(MotionEvent::BUTTON_SECONDARY);
 211   EXPECT_TRUE(selector_->OnTouchEvent(action_move));
 212   EXPECT_TRUE(event_log_.empty());
 213
 214   // 3. ACTION_UP
 215   event_time += base::TimeDelta::FromMilliseconds(10);
 216   MockMotionEvent action_up(MotionEvent::ACTION_UP, event_time, x2, y2);
 217   action_up.SetToolType(0, MotionEvent::TOOL_TYPE_STYLUS);
 218   action_up.set_button_state(0);
 219   EXPECT_TRUE(selector_->OnTouchEvent(action_up));
 220   EXPECT_TRUE(event_log_.empty());
 221
 222   // 4. TAP
 223   event_time += base::TimeDelta::FromMilliseconds(10);
 224   const GestureEventData tap =
 225       CreateGesture(ui::ET_GESTURE_TAP, event_time, x1, y1);
 226   EXPECT_TRUE(selector_->OnGestureEvent(tap));
 227   EXPECT_EQ(1u, event_log_.size());  // LongPress
 228   EXPECT_STREQ("LongPress", event_log_.back().c_str());
 229 }
 230
 231 }  // namespace content