ui/views/touchui/touch_selection_controller_impl_unittest.cc

   1 // Copyright (c) 2012 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 "base/command_line.h"
   6 #include "base/strings/utf_string_conversions.h"
   7 #include "ui/aura/client/screen_position_client.h"
   8 #include "ui/aura/test/test_cursor_client.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/base/resource/resource_bundle.h"
  11 #include "ui/base/touch/touch_editing_controller.h"
  12 #include "ui/base/ui_base_switches.h"
  13 #include "ui/events/event_utils.h"
  14 #include "ui/events/test/event_generator.h"
  15 #include "ui/gfx/canvas.h"
  16 #include "ui/gfx/geometry/point.h"
  17 #include "ui/gfx/geometry/rect.h"
  18 #include "ui/gfx/render_text.h"
  19 #include "ui/resources/grit/ui_resources.h"
  20 #include "ui/views/controls/textfield/textfield.h"
  21 #include "ui/views/controls/textfield/textfield_test_api.h"
  22 #include "ui/views/resources/grit/views_resources.h"
  23 #include "ui/views/test/views_test_base.h"
  24 #include "ui/views/touchui/touch_selection_controller_impl.h"
  25 #include "ui/views/views_touch_selection_controller_factory.h"
  26 #include "ui/views/widget/widget.h"
  27 #include "ui/views/widget/widget_delegate.h"
  28
  29 using base::ASCIIToUTF16;
  30 using base::UTF16ToUTF8;
  31 using base::WideToUTF16;
  32
  33 namespace {
  34 // Should match kSelectionHandleBarMinHeight in touch_selection_controller.
  35 const int kBarMinHeight = 5;
  36
  37 // Should match kSelectionHandleBarBottomAllowance in
  38 // touch_selection_controller.
  39 const int kBarBottomAllowance = 3;
  40
  41 // For selection bounds |b1| and |b2| in a paragraph of text, returns -1 if |b1|
  42 // is physically before |b2|, +1 if |b2| is before |b1|, and 0 if they are at
  43 // the same location.
  44 int CompareTextSelectionBounds(const ui::SelectionBound& b1,
  45                                const ui::SelectionBound& b2) {
  46   if (b1.edge_top().y() < b2.edge_top().y() ||
  47       b1.edge_top().x() < b2.edge_top().x()) {
  48     return -1;
  49   }
  50   if (b1 == b2)
  51     return 0;
  52   return 1;
  53 }
  54
  55 }  // namespace
  56
  57 namespace views {
  58
  59 class TouchSelectionControllerImplTest : public ViewsTestBase {
  60  public:
  61   TouchSelectionControllerImplTest()
  62       : textfield_widget_(nullptr),
  63         widget_(nullptr),
  64         textfield_(nullptr),
  65         views_tsc_factory_(new ViewsTouchEditingControllerFactory) {
  66     base::CommandLine::ForCurrentProcess()->AppendSwitch(
  67         switches::kEnableTouchEditing);
  68     ui::TouchEditingControllerFactory::SetInstance(views_tsc_factory_.get());
  69   }
  70
  71   ~TouchSelectionControllerImplTest() override {
  72     ui::TouchEditingControllerFactory::SetInstance(nullptr);
  73   }
  74
  75   void SetUp() override {
  76     ViewsTestBase::SetUp();
  77     test_cursor_client_.reset(new aura::test::TestCursorClient(GetContext()));
  78   }
  79
  80   void TearDown() override {
  81     test_cursor_client_.reset();
  82     if (textfield_widget_ && !textfield_widget_->IsClosed())
  83       textfield_widget_->Close();
  84     if (widget_ && !widget_->IsClosed())
  85       widget_->Close();
  86     ViewsTestBase::TearDown();
  87   }
  88
  89   void CreateTextfield() {
  90     textfield_ = new Textfield();
  91     textfield_widget_ = new Widget;
  92     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
  93     params.bounds = gfx::Rect(0, 0, 200, 200);
  94     textfield_widget_->Init(params);
  95     View* container = new View();
  96     textfield_widget_->SetContentsView(container);
  97     container->AddChildView(textfield_);
  98
  99     textfield_->SetBoundsRect(gfx::Rect(0, 0, 200, 20));
 100     textfield_->set_id(1);
 101     textfield_widget_->Show();
 102
 103     textfield_->RequestFocus();
 104     textfield_test_api_.reset(new TextfieldTestApi(textfield_));
 105   }
 106
 107   void CreateWidget() {
 108     widget_ = new Widget;
 109     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
 110     params.bounds = gfx::Rect(0, 0, 200, 200);
 111     widget_->Init(params);
 112     widget_->Show();
 113 }
 114
 115  protected:
 116   static bool IsCursorHandleVisibleFor(
 117       ui::TouchEditingControllerDeprecated* controller) {
 118     TouchSelectionControllerImpl* impl =
 119         static_cast<TouchSelectionControllerImpl*>(controller);
 120     return impl->IsCursorHandleVisible();
 121   }
 122
 123   gfx::Rect GetCursorRect(const gfx::SelectionModel& sel) {
 124     return textfield_test_api_->GetRenderText()->GetCursorBounds(sel, true);
 125   }
 126
 127   gfx::Point GetCursorPosition(const gfx::SelectionModel& sel) {
 128     gfx::Rect cursor_bounds = GetCursorRect(sel);
 129     return gfx::Point(cursor_bounds.x(), cursor_bounds.y());
 130   }
 131
 132   TouchSelectionControllerImpl* GetSelectionController() {
 133     return static_cast<TouchSelectionControllerImpl*>(
 134         textfield_test_api_->touch_selection_controller());
 135   }
 136
 137   void StartTouchEditing() {
 138     textfield_test_api_->CreateTouchSelectionControllerAndNotifyIt();
 139   }
 140
 141   void EndTouchEditing() {
 142     textfield_test_api_->ResetTouchSelectionController();
 143   }
 144
 145   void SimulateSelectionHandleDrag(gfx::Vector2d v, int selection_handle) {
 146     TouchSelectionControllerImpl* controller = GetSelectionController();
 147     views::WidgetDelegateView* handle = nullptr;
 148     if (selection_handle == 1)
 149       handle = controller->GetHandle1View();
 150     else
 151       handle = controller->GetHandle2View();
 152
 153     gfx::Point grip_location = gfx::Point(handle->size().width() / 2,
 154                                           handle->size().height() / 2);
 155     base::TimeDelta time_stamp = base::TimeDelta();
 156     {
 157       ui::GestureEventDetails details(ui::ET_GESTURE_SCROLL_BEGIN);
 158       ui::GestureEvent scroll_begin(
 159           grip_location.x(), grip_location.y(), 0, time_stamp, details);
 160       handle->OnGestureEvent(&scroll_begin);
 161     }
 162     test_cursor_client_->DisableMouseEvents();
 163     {
 164       ui::GestureEventDetails details(ui::ET_GESTURE_SCROLL_UPDATE);
 165       gfx::Point update_location = grip_location + v;
 166       ui::GestureEvent scroll_update(
 167           update_location.x(), update_location.y(), 0, time_stamp, details);
 168       handle->OnGestureEvent(&scroll_update);
 169     }
 170     {
 171       ui::GestureEventDetails details(ui::ET_GESTURE_SCROLL_END);
 172       ui::GestureEvent scroll_end(
 173           grip_location.x(), grip_location.y(), 0, time_stamp, details);
 174       handle->OnGestureEvent(&scroll_end);
 175     }
 176     test_cursor_client_->EnableMouseEvents();
 177   }
 178
 179   gfx::NativeView GetCursorHandleNativeView() {
 180     return GetSelectionController()->GetCursorHandleNativeView();
 181   }
 182
 183   gfx::Rect GetSelectionHandle1Bounds() {
 184     return GetSelectionController()->GetSelectionHandle1Bounds();
 185   }
 186
 187   gfx::Rect GetSelectionHandle2Bounds() {
 188     return GetSelectionController()->GetSelectionHandle2Bounds();
 189   }
 190
 191   gfx::Rect GetCursorHandleBounds() {
 192     return GetSelectionController()->GetCursorHandleBounds();
 193   }
 194
 195   gfx::Rect GetExpectedHandleBounds(const ui::SelectionBound& bound) {
 196     return GetSelectionController()->GetExpectedHandleBounds(bound);
 197   }
 198
 199   bool IsSelectionHandle1Visible() {
 200     return GetSelectionController()->IsSelectionHandle1Visible();
 201   }
 202
 203   bool IsSelectionHandle2Visible() {
 204     return GetSelectionController()->IsSelectionHandle2Visible();
 205   }
 206
 207   bool IsCursorHandleVisible() {
 208     return GetSelectionController()->IsCursorHandleVisible();
 209   }
 210
 211   gfx::RenderText* GetRenderText() {
 212     return textfield_test_api_->GetRenderText();
 213   }
 214
 215   gfx::Point GetCursorHandleDragPoint() {
 216     gfx::Rect rect = GetCursorHandleBounds();
 217     const gfx::SelectionModel& sel = textfield_->GetSelectionModel();
 218     int cursor_height = GetCursorRect(sel).height();
 219     gfx::Point point = rect.CenterPoint();
 220     point.Offset(0, cursor_height);
 221     return point;
 222   }
 223
 224   // If textfield has selection, this verifies that the selection handles
 225   // are visible, at the correct positions (at the end points of selection), and
 226   // (if |check_direction| is set to true), that they have the correct
 227   // directionality.
 228   // |cursor_at_selection_handle_1| is used to decide whether selection
 229   // handle 1's position is matched against the start of selection or the end.
 230   void VerifyHandlePositions(bool cursor_at_selection_handle_1,
 231                              bool check_direction,
 232                              const tracked_objects::Location& from_here) {
 233     ui::SelectionBound anchor, focus;
 234     textfield_->GetSelectionEndPoints(&anchor, &focus);
 235     std::string from_str = from_here.ToString();
 236     if (textfield_->HasSelection()) {
 237       EXPECT_TRUE(IsSelectionHandle1Visible()) << from_str;
 238       EXPECT_TRUE(IsSelectionHandle2Visible()) << from_str;
 239       EXPECT_FALSE(IsCursorHandleVisible());
 240       gfx::Rect sh1_bounds = GetSelectionHandle1Bounds();
 241       gfx::Rect sh2_bounds = GetSelectionHandle2Bounds();
 242       if (cursor_at_selection_handle_1) {
 243         EXPECT_EQ(sh1_bounds, GetExpectedHandleBounds(focus)) << from_str;
 244         EXPECT_EQ(sh2_bounds, GetExpectedHandleBounds(anchor)) << from_str;
 245       } else {
 246         EXPECT_EQ(sh1_bounds, GetExpectedHandleBounds(anchor)) << from_str;
 247         EXPECT_EQ(sh2_bounds, GetExpectedHandleBounds(focus)) << from_str;
 248       }
 249     } else {
 250       EXPECT_FALSE(IsSelectionHandle1Visible()) << from_str;
 251       EXPECT_FALSE(IsSelectionHandle2Visible()) << from_str;
 252       EXPECT_TRUE(IsCursorHandleVisible());
 253       gfx::Rect cursor_bounds = GetCursorHandleBounds();
 254       DCHECK(anchor == focus);
 255       EXPECT_EQ(cursor_bounds, GetExpectedHandleBounds(anchor)) << from_str;
 256     }
 257     if (check_direction)  {
 258       if (CompareTextSelectionBounds(anchor, focus) < 0) {
 259         EXPECT_EQ(ui::SelectionBound::LEFT, anchor.type()) << from_str;
 260         EXPECT_EQ(ui::SelectionBound::RIGHT, focus.type())  << from_str;
 261       } else if (CompareTextSelectionBounds(anchor, focus) > 0) {
 262         EXPECT_EQ(ui::SelectionBound::LEFT, focus.type())  << from_str;
 263         EXPECT_EQ(ui::SelectionBound::RIGHT, anchor.type())  << from_str;
 264       } else {
 265         EXPECT_EQ(ui::SelectionBound::CENTER, focus.type()) << from_str;
 266         EXPECT_EQ(ui::SelectionBound::CENTER, anchor.type()) << from_str;
 267       }
 268     }
 269   }
 270
 271   Widget* textfield_widget_;
 272   Widget* widget_;
 273
 274   Textfield* textfield_;
 275   scoped_ptr<TextfieldTestApi> textfield_test_api_;
 276   scoped_ptr<ViewsTouchEditingControllerFactory> views_tsc_factory_;
 277   scoped_ptr<aura::test::TestCursorClient> test_cursor_client_;
 278
 279  private:
 280   DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerImplTest);
 281 };
 282
 283 // Tests that the selection handles are placed appropriately when selection in
 284 // a Textfield changes.
 285 TEST_F(TouchSelectionControllerImplTest, SelectionInTextfieldTest) {
 286   CreateTextfield();
 287   textfield_->SetText(ASCIIToUTF16("some text"));
 288   // Tap the textfield to invoke touch selection.
 289   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 290   details.set_tap_count(1);
 291   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 292   textfield_->OnGestureEvent(&tap);
 293
 294   // Test selecting a range.
 295   textfield_->SelectRange(gfx::Range(3, 7));
 296   VerifyHandlePositions(false, true, FROM_HERE);
 297
 298   // Test selecting everything.
 299   textfield_->SelectAll(false);
 300   VerifyHandlePositions(false, true, FROM_HERE);
 301
 302   // Test with no selection.
 303   textfield_->ClearSelection();
 304   VerifyHandlePositions(false, true, FROM_HERE);
 305
 306   // Test with lost focus.
 307   textfield_widget_->GetFocusManager()->ClearFocus();
 308   EXPECT_FALSE(GetSelectionController());
 309
 310   // Test with focus re-gained.
 311   textfield_widget_->GetFocusManager()->SetFocusedView(textfield_);
 312   EXPECT_FALSE(GetSelectionController());
 313   textfield_->OnGestureEvent(&tap);
 314   VerifyHandlePositions(false, true, FROM_HERE);
 315 }
 316
 317 // Tests that the selection handles are placed appropriately in bidi text.
 318 TEST_F(TouchSelectionControllerImplTest, SelectionInBidiTextfieldTest) {
 319   CreateTextfield();
 320   textfield_->SetText(WideToUTF16(L"abc\x05d0\x05d1\x05d2"));
 321   // Tap the textfield to invoke touch selection.
 322   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 323   details.set_tap_count(1);
 324   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 325   textfield_->OnGestureEvent(&tap);
 326
 327   // Test cursor at run boundary and with empty selection.
 328   textfield_->SelectSelectionModel(
 329       gfx::SelectionModel(3, gfx::CURSOR_BACKWARD));
 330   VerifyHandlePositions(false, true, FROM_HERE);
 331
 332   // Test selection range inside one run and starts or ends at run boundary.
 333   textfield_->SelectRange(gfx::Range(2, 3));
 334   VerifyHandlePositions(false, true, FROM_HERE);
 335
 336   textfield_->SelectRange(gfx::Range(3, 2));
 337   VerifyHandlePositions(false, true, FROM_HERE);
 338
 339   // TODO(mfomitchev): crbug.com/429705
 340   // The correct behavior for handles in mixed ltr/rtl text line is not known,
 341   // so passing false for |check_direction| in some of these tests.
 342   textfield_->SelectRange(gfx::Range(3, 4));
 343   VerifyHandlePositions(false, false, FROM_HERE);
 344
 345   textfield_->SelectRange(gfx::Range(4, 3));
 346   VerifyHandlePositions(false, false, FROM_HERE);
 347
 348   textfield_->SelectRange(gfx::Range(3, 6));
 349   VerifyHandlePositions(false, false, FROM_HERE);
 350
 351   textfield_->SelectRange(gfx::Range(6, 3));
 352   VerifyHandlePositions(false, false, FROM_HERE);
 353
 354   // Test selection range accross runs.
 355   textfield_->SelectRange(gfx::Range(0, 6));
 356   VerifyHandlePositions(false, true, FROM_HERE);
 357
 358   textfield_->SelectRange(gfx::Range(6, 0));
 359   VerifyHandlePositions(false, true, FROM_HERE);
 360
 361   textfield_->SelectRange(gfx::Range(1, 4));
 362   VerifyHandlePositions(false, true, FROM_HERE);
 363
 364   textfield_->SelectRange(gfx::Range(4, 1));
 365   VerifyHandlePositions(false, true, FROM_HERE);
 366 }
 367
 368 // Tests if the SelectRect callback is called appropriately when selection
 369 // handles are moved.
 370 TEST_F(TouchSelectionControllerImplTest, SelectRectCallbackTest) {
 371   CreateTextfield();
 372   textfield_->SetText(ASCIIToUTF16("textfield with selected text"));
 373   // Tap the textfield to invoke touch selection.
 374   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 375   details.set_tap_count(1);
 376   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 377   textfield_->OnGestureEvent(&tap);
 378   textfield_->SelectRange(gfx::Range(3, 7));
 379
 380   gfx::Point textfield_origin;
 381   textfield_->ConvertPointToScreen(&textfield_origin);
 382
 383   EXPECT_EQ("tfie", UTF16ToUTF8(textfield_->GetSelectedText()));
 384   VerifyHandlePositions(false, true, FROM_HERE);
 385
 386   // Drag selection handle 2 to right by 3 chars.
 387   const gfx::FontList& font_list = textfield_->GetFontList();
 388   int x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("ld "), font_list);
 389   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 2);
 390   EXPECT_EQ("tfield ", UTF16ToUTF8(textfield_->GetSelectedText()));
 391   VerifyHandlePositions(false, true, FROM_HERE);
 392
 393   // Drag selection handle 1 to the left by a large amount (selection should
 394   // just stick to the beginning of the textfield).
 395   SimulateSelectionHandleDrag(gfx::Vector2d(-50, 0), 1);
 396   EXPECT_EQ("textfield ", UTF16ToUTF8(textfield_->GetSelectedText()));
 397   VerifyHandlePositions(true, true, FROM_HERE);
 398
 399   // Drag selection handle 1 across selection handle 2.
 400   x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("textfield with "), font_list);
 401   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 1);
 402   EXPECT_EQ("with ", UTF16ToUTF8(textfield_->GetSelectedText()));
 403   VerifyHandlePositions(true, true, FROM_HERE);
 404
 405   // Drag selection handle 2 across selection handle 1.
 406   x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("with selected "), font_list);
 407   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 2);
 408   EXPECT_EQ("selected ", UTF16ToUTF8(textfield_->GetSelectedText()));
 409   VerifyHandlePositions(false, true, FROM_HERE);
 410 }
 411
 412 TEST_F(TouchSelectionControllerImplTest, SelectRectInBidiCallbackTest) {
 413   CreateTextfield();
 414   textfield_->SetText(WideToUTF16(L"abc\x05e1\x05e2\x05e3" L"def"));
 415   // Tap the textfield to invoke touch selection.
 416   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 417   details.set_tap_count(1);
 418   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 419   textfield_->OnGestureEvent(&tap);
 420
 421   // Select [c] from left to right.
 422   textfield_->SelectRange(gfx::Range(2, 3));
 423   EXPECT_EQ(WideToUTF16(L"c"), textfield_->GetSelectedText());
 424   VerifyHandlePositions(false, true, FROM_HERE);
 425
 426   // Drag selection handle 2 to right by 1 char.
 427   const gfx::FontList& font_list = textfield_->GetFontList();
 428   int x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e3"), font_list);
 429   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 2);
 430   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 431   VerifyHandlePositions(false, true, FROM_HERE);
 432
 433   // Drag selection handle 1 to left by 1 char.
 434   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"b"), font_list);
 435   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 1);
 436   EXPECT_EQ(WideToUTF16(L"bc\x05e1\x05e2"), textfield_->GetSelectedText());
 437   VerifyHandlePositions(true, true, FROM_HERE);
 438
 439   // Select [c] from right to left.
 440   textfield_->SelectRange(gfx::Range(3, 2));
 441   EXPECT_EQ(WideToUTF16(L"c"), textfield_->GetSelectedText());
 442   VerifyHandlePositions(false, true, FROM_HERE);
 443
 444   // Drag selection handle 1 to right by 1 char.
 445   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e3"), font_list);
 446   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 1);
 447   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 448   VerifyHandlePositions(true, true, FROM_HERE);
 449
 450   // Drag selection handle 2 to left by 1 char.
 451   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"b"), font_list);
 452   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 2);
 453   EXPECT_EQ(WideToUTF16(L"bc\x05e1\x05e2"), textfield_->GetSelectedText());
 454   VerifyHandlePositions(false, true, FROM_HERE);
 455
 456   // Select [\x5e1] from right to left.
 457   textfield_->SelectRange(gfx::Range(3, 4));
 458   EXPECT_EQ(WideToUTF16(L"\x05e1"), textfield_->GetSelectedText());
 459   // TODO(mfomitchev): crbug.com/429705
 460   // The correct behavior for handles in mixed ltr/rtl text line is not known,
 461   // so passing false for |check_direction| in some of these tests.
 462   VerifyHandlePositions(false, false, FROM_HERE);
 463
 464   /* TODO(xji): for bidi text "abcDEF" whose display is "abcFEDhij", when click
 465      right of 'D' and select [D] then move the left selection handle to left
 466      by one character, it should select [ED], instead it selects [F].
 467      Reason: click right of 'D' and left of 'h' return the same x-axis position,
 468      pass this position to FindCursorPosition() returns index of 'h'. which
 469      means the selection start changed from 3 to 6.
 470      Need further investigation on whether this is a bug in Pango and how to
 471      work around it.
 472   // Drag selection handle 2 to left by 1 char.
 473   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 474   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 2);
 475   EXPECT_EQ(WideToUTF16(L"\x05e1\x05e2"), textfield_->GetSelectedText());
 476   VERIFY_HANDLE_POSITIONS(false);
 477   */
 478
 479   // Drag selection handle 1 to right by 1 char.
 480   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"d"), font_list);
 481   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 1);
 482   EXPECT_EQ(WideToUTF16(L"\x05e2\x05e3" L"d"), textfield_->GetSelectedText());
 483   VerifyHandlePositions(true, true, FROM_HERE);
 484
 485   // Select [\x5e1] from left to right.
 486   textfield_->SelectRange(gfx::Range(4, 3));
 487   EXPECT_EQ(WideToUTF16(L"\x05e1"), textfield_->GetSelectedText());
 488   VerifyHandlePositions(false, false, FROM_HERE);
 489
 490   /* TODO(xji): see detail of above commented out test case.
 491   // Drag selection handle 1 to left by 1 char.
 492   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 493   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 1);
 494   EXPECT_EQ(WideToUTF16(L"\x05e1\x05e2"), textfield_->GetSelectedText());
 495   VERIFY_HANDLE_POSITIONS(true);
 496   */
 497
 498   // Drag selection handle 2 to right by 1 char.
 499   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"d"), font_list);
 500   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 2);
 501   EXPECT_EQ(WideToUTF16(L"\x05e2\x05e3" L"d"), textfield_->GetSelectedText());
 502   VerifyHandlePositions(false, true, FROM_HERE);
 503
 504   // Select [\x05r3] from right to left.
 505   textfield_->SelectRange(gfx::Range(5, 6));
 506   EXPECT_EQ(WideToUTF16(L"\x05e3"), textfield_->GetSelectedText());
 507   VerifyHandlePositions(false, false, FROM_HERE);
 508
 509   // Drag selection handle 2 to left by 1 char.
 510   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"c"), font_list);
 511   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 2);
 512   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 513   VerifyHandlePositions(false, true, FROM_HERE);
 514
 515   // Drag selection handle 1 to right by 1 char.
 516   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 517   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 1);
 518   EXPECT_EQ(WideToUTF16(L"c\x05e1"), textfield_->GetSelectedText());
 519   VerifyHandlePositions(true, true, FROM_HERE);
 520
 521   // Select [\x05r3] from left to right.
 522   textfield_->SelectRange(gfx::Range(6, 5));
 523   EXPECT_EQ(WideToUTF16(L"\x05e3"), textfield_->GetSelectedText());
 524   VerifyHandlePositions(false, false, FROM_HERE);
 525
 526   // Drag selection handle 1 to left by 1 char.
 527   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"c"), font_list);
 528   SimulateSelectionHandleDrag(gfx::Vector2d(-x, 0), 1);
 529   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 530   VerifyHandlePositions(true, true, FROM_HERE);
 531
 532   // Drag selection handle 2 to right by 1 char.
 533   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 534   SimulateSelectionHandleDrag(gfx::Vector2d(x, 0), 2);
 535   EXPECT_EQ(WideToUTF16(L"c\x05e1"), textfield_->GetSelectedText());
 536   VerifyHandlePositions(false, false, FROM_HERE);
 537 }
 538
 539 TEST_F(TouchSelectionControllerImplTest,
 540        HiddenSelectionHandleRetainsCursorPosition) {
 541   // Create a textfield with lots of text in it.
 542   CreateTextfield();
 543   std::string textfield_text("some text");
 544   for (int i = 0; i < 10; ++i)
 545     textfield_text += textfield_text;
 546   textfield_->SetText(ASCIIToUTF16(textfield_text));
 547
 548   // Tap the textfield to invoke selection.
 549   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 550   details.set_tap_count(1);
 551   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 552   textfield_->OnGestureEvent(&tap);
 553
 554   // Select some text such that one handle is hidden.
 555   textfield_->SelectRange(gfx::Range(10, textfield_text.length()));
 556
 557   // Check that one selection handle is hidden.
 558   EXPECT_FALSE(IsSelectionHandle1Visible());
 559   EXPECT_TRUE(IsSelectionHandle2Visible());
 560   EXPECT_EQ(gfx::Range(10, textfield_text.length()),
 561             textfield_->GetSelectedRange());
 562
 563   // Drag the visible handle around and make sure the selection end point of the
 564   // invisible handle does not change.
 565   size_t visible_handle_position = textfield_->GetSelectedRange().end();
 566   for (int i = 0; i < 10; ++i) {
 567     static const int drag_diff = -10;
 568     SimulateSelectionHandleDrag(gfx::Vector2d(drag_diff, 0), 2);
 569     // Make sure that the visible handle is being dragged.
 570     EXPECT_NE(visible_handle_position, textfield_->GetSelectedRange().end());
 571     visible_handle_position = textfield_->GetSelectedRange().end();
 572     EXPECT_EQ((size_t) 10, textfield_->GetSelectedRange().start());
 573   }
 574 }
 575
 576 TEST_F(TouchSelectionControllerImplTest,
 577        DoubleTapInTextfieldWithCursorHandleShouldSelectText) {
 578   CreateTextfield();
 579   textfield_->SetText(ASCIIToUTF16("some text"));
 580   ui::test::EventGenerator generator(
 581       textfield_->GetWidget()->GetNativeView()->GetRootWindow());
 582
 583   // Tap the textfield to invoke touch selection.
 584   generator.GestureTapAt(gfx::Point(10, 10));
 585
 586   // Cursor handle should be visible.
 587   EXPECT_FALSE(textfield_->HasSelection());
 588   VerifyHandlePositions(false, true, FROM_HERE);
 589
 590   // Double tap on the cursor handle position. We want to check that the cursor
 591   // handle is not eating the event and that the event is falling through to the
 592   // textfield.
 593   gfx::Point cursor_pos = GetCursorHandleBounds().origin();
 594   cursor_pos.Offset(GetCursorHandleBounds().width() / 2, 0);
 595   generator.GestureTapAt(cursor_pos);
 596   generator.GestureTapAt(cursor_pos);
 597   EXPECT_TRUE(textfield_->HasSelection());
 598 }
 599
 600 // A simple implementation of TouchEditable that allows faking cursor position
 601 // inside its boundaries.
 602 class TestTouchEditable : public ui::TouchEditable {
 603  public:
 604   explicit TestTouchEditable(aura::Window* window)
 605       : window_(window) {
 606     DCHECK(window);
 607   }
 608
 609   void set_bounds(const gfx::Rect& bounds) {
 610     bounds_ = bounds;
 611   }
 612
 613   void set_cursor_rect(const gfx::Rect& cursor_rect) {
 614     cursor_bound_.SetEdge(cursor_rect.origin(), cursor_rect.bottom_left());
 615     cursor_bound_.set_type(ui::SelectionBound::Type::CENTER);
 616   }
 617
 618   ~TestTouchEditable() override {}
 619
 620  private:
 621   // Overridden from ui::TouchEditable.
 622   void SelectRect(const gfx::Point& start, const gfx::Point& end) override {
 623     NOTREACHED();
 624   }
 625   void MoveCaretTo(const gfx::Point& point) override { NOTREACHED(); }
 626   void GetSelectionEndPoints(ui::SelectionBound* anchor,
 627                              ui::SelectionBound* focus) override {
 628     *anchor = *focus = cursor_bound_;
 629   }
 630   gfx::Rect GetBounds() override { return gfx::Rect(bounds_.size()); }
 631   gfx::NativeView GetNativeView() const override { return window_; }
 632   void ConvertPointToScreen(gfx::Point* point) override {
 633     aura::client::ScreenPositionClient* screen_position_client =
 634         aura::client::GetScreenPositionClient(window_->GetRootWindow());
 635     if (screen_position_client)
 636       screen_position_client->ConvertPointToScreen(window_, point);
 637   }
 638   void ConvertPointFromScreen(gfx::Point* point) override {
 639     aura::client::ScreenPositionClient* screen_position_client =
 640         aura::client::GetScreenPositionClient(window_->GetRootWindow());
 641     if (screen_position_client)
 642       screen_position_client->ConvertPointFromScreen(window_, point);
 643   }
 644   bool DrawsHandles() override { return false; }
 645   void OpenContextMenu(const gfx::Point& anchor) override { NOTREACHED(); }
 646   void DestroyTouchSelection() override { NOTREACHED(); }
 647
 648   // Overridden from ui::SimpleMenuModel::Delegate.
 649   bool IsCommandIdChecked(int command_id) const override {
 650     NOTREACHED();
 651     return false;
 652   }
 653   bool IsCommandIdEnabled(int command_id) const override {
 654     NOTREACHED();
 655     return false;
 656   }
 657   bool GetAcceleratorForCommandId(int command_id,
 658                                   ui::Accelerator* accelerator) override {
 659     NOTREACHED();
 660     return false;
 661   }
 662   void ExecuteCommand(int command_id, int event_flags) override {
 663     NOTREACHED();
 664   }
 665
 666   aura::Window* window_;
 667
 668   // Boundaries of the client view.
 669   gfx::Rect bounds_;
 670
 671   // Cursor position inside the client view.
 672   //gfx::Rect cursor_rect_;
 673   ui::SelectionBound cursor_bound_;
 674
 675   DISALLOW_COPY_AND_ASSIGN(TestTouchEditable);
 676 };
 677
 678 // Tests if the touch editing handle is shown or hidden properly according to
 679 // the cursor position relative to the client boundaries.
 680 TEST_F(TouchSelectionControllerImplTest,
 681        VisibilityOfHandleRegardingClientBounds) {
 682   CreateWidget();
 683
 684   TestTouchEditable touch_editable(widget_->GetNativeView());
 685   scoped_ptr<ui::TouchEditingControllerDeprecated> touch_selection_controller(
 686       ui::TouchEditingControllerDeprecated::Create(&touch_editable));
 687
 688   touch_editable.set_bounds(gfx::Rect(0, 0, 100, 20));
 689
 690   // Put the cursor completely inside the client bounds. Handle should be
 691   // visible.
 692   touch_editable.set_cursor_rect(gfx::Rect(2, 0, 1, 20));
 693   touch_selection_controller->SelectionChanged();
 694   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 695
 696   // Move the cursor up such that |kBarMinHeight| pixels are still in the client
 697   // bounds. Handle should still be visible.
 698   touch_editable.set_cursor_rect(gfx::Rect(2, kBarMinHeight - 20, 1, 20));
 699   touch_selection_controller->SelectionChanged();
 700   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 701
 702   // Move the cursor up such that less than |kBarMinHeight| pixels are in the
 703   // client bounds. Handle should be hidden.
 704   touch_editable.set_cursor_rect(gfx::Rect(2, kBarMinHeight - 20 - 1, 1, 20));
 705   touch_selection_controller->SelectionChanged();
 706   EXPECT_FALSE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 707
 708   // Move the Cursor down such that |kBarBottomAllowance| pixels are out of the
 709   // client bounds. Handle should be visible.
 710   touch_editable.set_cursor_rect(gfx::Rect(2, kBarBottomAllowance, 1, 20));
 711   touch_selection_controller->SelectionChanged();
 712   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 713
 714   // Move the cursor down such that more than |kBarBottomAllowance| pixels are
 715   // out of the client bounds. Handle should be hidden.
 716   touch_editable.set_cursor_rect(gfx::Rect(2, kBarBottomAllowance + 1, 1, 20));
 717   touch_selection_controller->SelectionChanged();
 718   EXPECT_FALSE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 719
 720   touch_selection_controller.reset();
 721 }
 722
 723 TEST_F(TouchSelectionControllerImplTest, HandlesStackAboveParent) {
 724   ui::EventTarget* root = GetContext();
 725   ui::EventTargeter* targeter = root->GetEventTargeter();
 726
 727   // Create the first window containing a Views::Textfield.
 728   CreateTextfield();
 729   aura::Window* window1 = textfield_widget_->GetNativeView();
 730
 731   // Start touch editing, check that the handle is above the first window, and
 732   // end touch editing.
 733   StartTouchEditing();
 734   gfx::Point test_point = GetCursorHandleDragPoint();
 735   ui::MouseEvent test_event1(ui::ET_MOUSE_MOVED, test_point, test_point,
 736                              ui::EventTimeForNow(), ui::EF_NONE, ui::EF_NONE);
 737   EXPECT_EQ(GetCursorHandleNativeView(),
 738             targeter->FindTargetForEvent(root, &test_event1));
 739   EndTouchEditing();
 740
 741   // Create the second (empty) window over the first one.
 742   CreateWidget();
 743   aura::Window* window2 = widget_->GetNativeView();
 744
 745   // Start touch editing (in the first window) and check that the handle is not
 746   // above the second window.
 747   StartTouchEditing();
 748   ui::MouseEvent test_event2(ui::ET_MOUSE_MOVED, test_point, test_point,
 749                              ui::EventTimeForNow(), ui::EF_NONE, ui::EF_NONE);
 750   EXPECT_EQ(window2, targeter->FindTargetForEvent(root, &test_event2));
 751
 752   // Move the first window to top and check that the handle is kept above the
 753   // first window.
 754   window1->GetRootWindow()->StackChildAtTop(window1);
 755   ui::MouseEvent test_event3(ui::ET_MOUSE_MOVED, test_point, test_point,
 756                              ui::EventTimeForNow(), ui::EF_NONE, ui::EF_NONE);
 757   EXPECT_EQ(GetCursorHandleNativeView(),
 758             targeter->FindTargetForEvent(root, &test_event3));
 759 }
 760
 761 TEST_F(TouchSelectionControllerImplTest, MouseEventDeactivatesTouchSelection) {
 762   CreateTextfield();
 763   EXPECT_FALSE(GetSelectionController());
 764
 765   ui::test::EventGenerator generator(
 766       textfield_widget_->GetNativeView()->GetRootWindow());
 767
 768   generator.set_current_location(gfx::Point(5, 5));
 769   RunPendingMessages();
 770
 771   // Start touch editing; then move mouse over the textfield and ensure it
 772   // deactivates touch selection.
 773   StartTouchEditing();
 774   EXPECT_TRUE(GetSelectionController());
 775   generator.MoveMouseTo(gfx::Point(5, 10));
 776   RunPendingMessages();
 777   EXPECT_FALSE(GetSelectionController());
 778
 779   generator.MoveMouseTo(gfx::Point(5, 50));
 780   RunPendingMessages();
 781
 782   // Start touch editing; then move mouse out of the textfield, but inside the
 783   // winow and ensure it deactivates touch selection.
 784   StartTouchEditing();
 785   EXPECT_TRUE(GetSelectionController());
 786   generator.MoveMouseTo(gfx::Point(5, 55));
 787   RunPendingMessages();
 788   EXPECT_FALSE(GetSelectionController());
 789
 790   generator.MoveMouseTo(gfx::Point(5, 500));
 791   RunPendingMessages();
 792
 793   // Start touch editing; then move mouse out of the textfield and window and
 794   // ensure it deactivates touch selection.
 795   StartTouchEditing();
 796   EXPECT_TRUE(GetSelectionController());
 797   generator.MoveMouseTo(5, 505);
 798   RunPendingMessages();
 799   EXPECT_FALSE(GetSelectionController());
 800 }
 801
 802 TEST_F(TouchSelectionControllerImplTest, KeyEventDeactivatesTouchSelection) {
 803   CreateTextfield();
 804   EXPECT_FALSE(GetSelectionController());
 805
 806   ui::test::EventGenerator generator(
 807       textfield_widget_->GetNativeView()->GetRootWindow());
 808
 809   RunPendingMessages();
 810
 811   // Start touch editing; then press a key and ensure it deactivates touch
 812   // selection.
 813   StartTouchEditing();
 814   EXPECT_TRUE(GetSelectionController());
 815   generator.PressKey(ui::VKEY_A, 0);
 816   RunPendingMessages();
 817   EXPECT_FALSE(GetSelectionController());
 818 }
 819
 820 }  // namespace views