src/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/window.h"
   9 #include "ui/base/resource/resource_bundle.h"
  10 #include "ui/base/touch/touch_editing_controller.h"
  11 #include "ui/base/ui_base_switches.h"
  12 #include "ui/events/test/event_generator.h"
  13 #include "ui/gfx/canvas.h"
  14 #include "ui/gfx/point.h"
  15 #include "ui/gfx/rect.h"
  16 #include "ui/gfx/render_text.h"
  17 #include "ui/resources/grit/ui_resources.h"
  18 #include "ui/views/controls/textfield/textfield.h"
  19 #include "ui/views/controls/textfield/textfield_test_api.h"
  20 #include "ui/views/test/views_test_base.h"
  21 #include "ui/views/touchui/touch_selection_controller_impl.h"
  22 #include "ui/views/views_touch_selection_controller_factory.h"
  23 #include "ui/views/widget/widget.h"
  24
  25 using base::ASCIIToUTF16;
  26 using base::UTF16ToUTF8;
  27 using base::WideToUTF16;
  28
  29 namespace {
  30 // Should match kSelectionHandlePadding in touch_selection_controller.
  31 const int kPadding = 10;
  32
  33 // Should match kSelectionHandleBarMinHeight in touch_selection_controller.
  34 const int kBarMinHeight = 5;
  35
  36 // Should match kSelectionHandleBarBottomAllowance in
  37 // touch_selection_controller.
  38 const int kBarBottomAllowance = 3;
  39
  40 // Should match kMenuButtonWidth in touch_editing_menu.
  41 const int kMenuButtonWidth = 63;
  42
  43 // Should match size of kMenuCommands array in touch_editing_menu.
  44 const int kMenuCommandCount = 3;
  45
  46 gfx::Image* GetHandleImage() {
  47   static gfx::Image* handle_image = NULL;
  48   if (!handle_image) {
  49     handle_image = &ui::ResourceBundle::GetSharedInstance().GetImageNamed(
  50         IDR_TEXT_SELECTION_HANDLE);
  51   }
  52   return handle_image;
  53 }
  54
  55 gfx::Size GetHandleImageSize() {
  56   return GetHandleImage()->Size();
  57 }
  58 }  // namespace
  59
  60 namespace views {
  61
  62 class TouchSelectionControllerImplTest : public ViewsTestBase {
  63  public:
  64   TouchSelectionControllerImplTest()
  65       : textfield_widget_(NULL),
  66         widget_(NULL),
  67         textfield_(NULL),
  68         views_tsc_factory_(new ViewsTouchSelectionControllerFactory) {
  69     CommandLine::ForCurrentProcess()->AppendSwitch(
  70         switches::kEnableTouchEditing);
  71     ui::TouchSelectionControllerFactory::SetInstance(views_tsc_factory_.get());
  72   }
  73
  74   ~TouchSelectionControllerImplTest() override {
  75     ui::TouchSelectionControllerFactory::SetInstance(NULL);
  76   }
  77
  78   void TearDown() override {
  79     if (textfield_widget_ && !textfield_widget_->IsClosed())
  80       textfield_widget_->Close();
  81     if (widget_ && !widget_->IsClosed())
  82       widget_->Close();
  83     ViewsTestBase::TearDown();
  84   }
  85
  86   void CreateTextfield() {
  87     textfield_ = new Textfield();
  88     textfield_widget_ = new Widget;
  89     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
  90     params.bounds = gfx::Rect(0, 0, 200, 200);
  91     textfield_widget_->Init(params);
  92     View* container = new View();
  93     textfield_widget_->SetContentsView(container);
  94     container->AddChildView(textfield_);
  95
  96     textfield_->SetBoundsRect(gfx::Rect(0, 0, 200, 20));
  97     textfield_->set_id(1);
  98     textfield_widget_->Show();
  99
 100     textfield_->RequestFocus();
 101
 102     textfield_test_api_.reset(new TextfieldTestApi(textfield_));
 103   }
 104
 105   void CreateWidget() {
 106     widget_ = new Widget;
 107     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
 108     params.bounds = gfx::Rect(0, 0, 200, 200);
 109     widget_->Init(params);
 110     widget_->Show();
 111   }
 112
 113  protected:
 114   static bool IsCursorHandleVisibleFor(
 115       ui::TouchSelectionController* controller) {
 116     TouchSelectionControllerImpl* impl =
 117         static_cast<TouchSelectionControllerImpl*>(controller);
 118     return impl->IsCursorHandleVisible();
 119   }
 120
 121   gfx::Rect GetCursorRect(const gfx::SelectionModel& sel) {
 122     return textfield_test_api_->GetRenderText()->GetCursorBounds(sel, true);
 123   }
 124
 125   gfx::Point GetCursorPosition(const gfx::SelectionModel& sel) {
 126     gfx::Rect cursor_bounds = GetCursorRect(sel);
 127     return gfx::Point(cursor_bounds.x(), cursor_bounds.y());
 128   }
 129
 130   TouchSelectionControllerImpl* GetSelectionController() {
 131     return static_cast<TouchSelectionControllerImpl*>(
 132         textfield_test_api_->touch_selection_controller());
 133   }
 134
 135   void StartTouchEditing() {
 136     textfield_test_api_->CreateTouchSelectionControllerAndNotifyIt();
 137   }
 138
 139   void EndTouchEditing() {
 140     textfield_test_api_->ResetTouchSelectionController();
 141   }
 142
 143   void SimulateSelectionHandleDrag(gfx::Point p, int selection_handle) {
 144     TouchSelectionControllerImpl* controller = GetSelectionController();
 145     // Do the work of OnMousePressed().
 146     if (selection_handle == 1)
 147       controller->SetDraggingHandle(controller->selection_handle_1_.get());
 148     else
 149       controller->SetDraggingHandle(controller->selection_handle_2_.get());
 150
 151     // Offset the drag position by the selection handle radius since it is
 152     // supposed to be in the coordinate system of the handle.
 153     p.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);
 154     controller->SelectionHandleDragged(p);
 155
 156     // Do the work of OnMouseReleased().
 157     controller->dragging_handle_ = NULL;
 158   }
 159
 160   gfx::NativeView GetCursorHandleNativeView() {
 161     return GetSelectionController()->GetCursorHandleNativeView();
 162   }
 163
 164   gfx::Point GetSelectionHandle1Position() {
 165     return GetSelectionController()->GetSelectionHandle1Position();
 166   }
 167
 168   gfx::Point GetSelectionHandle2Position() {
 169     return GetSelectionController()->GetSelectionHandle2Position();
 170   }
 171
 172   gfx::Point GetCursorHandlePosition() {
 173     return GetSelectionController()->GetCursorHandlePosition();
 174   }
 175
 176   bool IsSelectionHandle1Visible() {
 177     return GetSelectionController()->IsSelectionHandle1Visible();
 178   }
 179
 180   bool IsSelectionHandle2Visible() {
 181     return GetSelectionController()->IsSelectionHandle2Visible();
 182   }
 183
 184   bool IsCursorHandleVisible() {
 185     return GetSelectionController()->IsCursorHandleVisible();
 186   }
 187
 188   gfx::RenderText* GetRenderText() {
 189     return textfield_test_api_->GetRenderText();
 190   }
 191
 192   gfx::Point GetCursorHandleDragPoint() {
 193     gfx::Point point = GetCursorHandlePosition();
 194     const gfx::SelectionModel& sel = textfield_->GetSelectionModel();
 195     int cursor_height = GetCursorRect(sel).height();
 196     point.Offset(GetHandleImageSize().width() / 2 + kPadding,
 197                  GetHandleImageSize().height() / 2 + cursor_height);
 198     return point;
 199   }
 200
 201   Widget* textfield_widget_;
 202   Widget* widget_;
 203
 204   Textfield* textfield_;
 205   scoped_ptr<TextfieldTestApi> textfield_test_api_;
 206   scoped_ptr<ViewsTouchSelectionControllerFactory> views_tsc_factory_;
 207
 208  private:
 209   DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerImplTest);
 210 };
 211
 212 // If textfield has selection, this macro verifies that the selection handles
 213 // are visible and at the correct positions (at the end points of selection).
 214 // |cursor_at_selection_handle_1| is used to decide whether selection
 215 // handle 1's position is matched against the start of selection or the end.
 216 #define VERIFY_HANDLE_POSITIONS(cursor_at_selection_handle_1)                  \
 217 {                                                                              \
 218     gfx::SelectionModel sel = textfield_->GetSelectionModel();                 \
 219     if (textfield_->HasSelection()) {                                          \
 220       EXPECT_TRUE(IsSelectionHandle1Visible());                                \
 221       EXPECT_TRUE(IsSelectionHandle2Visible());                                \
 222       EXPECT_FALSE(IsCursorHandleVisible());                                   \
 223       gfx::SelectionModel sel_start = GetRenderText()->                        \
 224                                       GetSelectionModelForSelectionStart();    \
 225       gfx::Point selection_start = GetCursorPosition(sel_start);               \
 226       gfx::Point selection_end = GetCursorPosition(sel);                       \
 227       gfx::Point sh1 = GetSelectionHandle1Position();                          \
 228       gfx::Point sh2 = GetSelectionHandle2Position();                          \
 229       sh1.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);              \
 230       sh2.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);              \
 231       if (cursor_at_selection_handle_1) {                                      \
 232         EXPECT_EQ(sh1, selection_end);                                         \
 233         EXPECT_EQ(sh2, selection_start);                                       \
 234       } else {                                                                 \
 235         EXPECT_EQ(sh1, selection_start);                                       \
 236         EXPECT_EQ(sh2, selection_end);                                         \
 237       }                                                                        \
 238     } else {                                                                   \
 239       EXPECT_FALSE(IsSelectionHandle1Visible());                               \
 240       EXPECT_FALSE(IsSelectionHandle2Visible());                               \
 241       EXPECT_TRUE(IsCursorHandleVisible());                                    \
 242       gfx::Point cursor_pos = GetCursorPosition(sel);                          \
 243       gfx::Point ch_pos = GetCursorHandlePosition();                           \
 244       ch_pos.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);           \
 245       EXPECT_EQ(ch_pos, cursor_pos);                                           \
 246     }                                                                          \
 247 }
 248
 249 // Tests that the selection handles are placed appropriately when selection in
 250 // a Textfield changes.
 251 TEST_F(TouchSelectionControllerImplTest, SelectionInTextfieldTest) {
 252   CreateTextfield();
 253   textfield_->SetText(ASCIIToUTF16("some text"));
 254   // Tap the textfield to invoke touch selection.
 255   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 256   details.set_tap_count(1);
 257   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 258   textfield_->OnGestureEvent(&tap);
 259
 260   // Test selecting a range.
 261   textfield_->SelectRange(gfx::Range(3, 7));
 262   VERIFY_HANDLE_POSITIONS(false);
 263
 264   // Test selecting everything.
 265   textfield_->SelectAll(false);
 266   VERIFY_HANDLE_POSITIONS(false);
 267
 268   // Test with no selection.
 269   textfield_->ClearSelection();
 270   VERIFY_HANDLE_POSITIONS(false);
 271
 272   // Test with lost focus.
 273   textfield_widget_->GetFocusManager()->ClearFocus();
 274   EXPECT_FALSE(GetSelectionController());
 275
 276   // Test with focus re-gained.
 277   textfield_widget_->GetFocusManager()->SetFocusedView(textfield_);
 278   EXPECT_FALSE(GetSelectionController());
 279   textfield_->OnGestureEvent(&tap);
 280   VERIFY_HANDLE_POSITIONS(false);
 281 }
 282
 283 // Tests that the selection handles are placed appropriately in bidi text.
 284 TEST_F(TouchSelectionControllerImplTest, SelectionInBidiTextfieldTest) {
 285   CreateTextfield();
 286   textfield_->SetText(WideToUTF16(L"abc\x05d0\x05d1\x05d2"));
 287   // Tap the textfield to invoke touch selection.
 288   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 289   details.set_tap_count(1);
 290   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 291   textfield_->OnGestureEvent(&tap);
 292
 293   // Test cursor at run boundary and with empty selection.
 294   textfield_->SelectSelectionModel(
 295       gfx::SelectionModel(3, gfx::CURSOR_BACKWARD));
 296   VERIFY_HANDLE_POSITIONS(false);
 297
 298   // Test selection range inside one run and starts or ends at run boundary.
 299   textfield_->SelectRange(gfx::Range(2, 3));
 300   VERIFY_HANDLE_POSITIONS(false);
 301
 302   textfield_->SelectRange(gfx::Range(3, 2));
 303   VERIFY_HANDLE_POSITIONS(false);
 304
 305   textfield_->SelectRange(gfx::Range(3, 4));
 306   VERIFY_HANDLE_POSITIONS(false);
 307
 308   textfield_->SelectRange(gfx::Range(4, 3));
 309   VERIFY_HANDLE_POSITIONS(false);
 310
 311   textfield_->SelectRange(gfx::Range(3, 6));
 312   VERIFY_HANDLE_POSITIONS(false);
 313
 314   textfield_->SelectRange(gfx::Range(6, 3));
 315   VERIFY_HANDLE_POSITIONS(false);
 316
 317   // Test selection range accross runs.
 318   textfield_->SelectRange(gfx::Range(0, 6));
 319   VERIFY_HANDLE_POSITIONS(false);
 320
 321   textfield_->SelectRange(gfx::Range(6, 0));
 322   VERIFY_HANDLE_POSITIONS(false);
 323
 324   textfield_->SelectRange(gfx::Range(1, 4));
 325   VERIFY_HANDLE_POSITIONS(false);
 326
 327   textfield_->SelectRange(gfx::Range(4, 1));
 328   VERIFY_HANDLE_POSITIONS(false);
 329 }
 330
 331 // Tests if the SelectRect callback is called appropriately when selection
 332 // handles are moved.
 333 TEST_F(TouchSelectionControllerImplTest, SelectRectCallbackTest) {
 334   CreateTextfield();
 335   textfield_->SetText(ASCIIToUTF16("textfield with selected text"));
 336   // Tap the textfield to invoke touch selection.
 337   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 338   details.set_tap_count(1);
 339   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 340   textfield_->OnGestureEvent(&tap);
 341   textfield_->SelectRange(gfx::Range(3, 7));
 342
 343   EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "tfie");
 344   VERIFY_HANDLE_POSITIONS(false);
 345
 346   // Drag selection handle 2 to right by 3 chars.
 347   const gfx::FontList& font_list = textfield_->GetFontList();
 348   int x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("ld "), font_list);
 349   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
 350   EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "tfield ");
 351   VERIFY_HANDLE_POSITIONS(false);
 352
 353   // Drag selection handle 1 to the left by a large amount (selection should
 354   // just stick to the beginning of the textfield).
 355   SimulateSelectionHandleDrag(gfx::Point(-50, 0), 1);
 356   EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "textfield ");
 357   VERIFY_HANDLE_POSITIONS(true);
 358
 359   // Drag selection handle 1 across selection handle 2.
 360   x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("textfield with "), font_list);
 361   SimulateSelectionHandleDrag(gfx::Point(x, 0), 1);
 362   EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "with ");
 363   VERIFY_HANDLE_POSITIONS(true);
 364
 365   // Drag selection handle 2 across selection handle 1.
 366   x = gfx::Canvas::GetStringWidth(ASCIIToUTF16("with selected "), font_list);
 367   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
 368   EXPECT_EQ(UTF16ToUTF8(textfield_->GetSelectedText()), "selected ");
 369   VERIFY_HANDLE_POSITIONS(false);
 370 }
 371
 372 TEST_F(TouchSelectionControllerImplTest, SelectRectInBidiCallbackTest) {
 373   CreateTextfield();
 374   textfield_->SetText(WideToUTF16(L"abc\x05e1\x05e2\x05e3" L"def"));
 375   // Tap the textfield to invoke touch selection.
 376   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 377   details.set_tap_count(1);
 378   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 379   textfield_->OnGestureEvent(&tap);
 380
 381   // Select [c] from left to right.
 382   textfield_->SelectRange(gfx::Range(2, 3));
 383   EXPECT_EQ(WideToUTF16(L"c"), textfield_->GetSelectedText());
 384   VERIFY_HANDLE_POSITIONS(false);
 385
 386   // Drag selection handle 2 to right by 1 char.
 387   const gfx::FontList& font_list = textfield_->GetFontList();
 388   int x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e3"), font_list);
 389   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
 390   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 391   VERIFY_HANDLE_POSITIONS(false);
 392
 393   // Drag selection handle 1 to left by 1 char.
 394   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"b"), font_list);
 395   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 1);
 396   EXPECT_EQ(WideToUTF16(L"bc\x05e1\x05e2"), textfield_->GetSelectedText());
 397   VERIFY_HANDLE_POSITIONS(true);
 398
 399   // Select [c] from right to left.
 400   textfield_->SelectRange(gfx::Range(3, 2));
 401   EXPECT_EQ(WideToUTF16(L"c"), textfield_->GetSelectedText());
 402   VERIFY_HANDLE_POSITIONS(false);
 403
 404   // Drag selection handle 1 to right by 1 char.
 405   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e3"), font_list);
 406   SimulateSelectionHandleDrag(gfx::Point(x, 0), 1);
 407   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 408   VERIFY_HANDLE_POSITIONS(true);
 409
 410   // Drag selection handle 2 to left by 1 char.
 411   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"b"), font_list);
 412   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 2);
 413   EXPECT_EQ(WideToUTF16(L"bc\x05e1\x05e2"), textfield_->GetSelectedText());
 414   VERIFY_HANDLE_POSITIONS(false);
 415
 416   // Select [\x5e1] from right to left.
 417   textfield_->SelectRange(gfx::Range(3, 4));
 418   EXPECT_EQ(WideToUTF16(L"\x05e1"), textfield_->GetSelectedText());
 419   VERIFY_HANDLE_POSITIONS(false);
 420
 421   /* TODO(xji): for bidi text "abcDEF" whose display is "abcFEDhij", when click
 422      right of 'D' and select [D] then move the left selection handle to left
 423      by one character, it should select [ED], instead it selects [F].
 424      Reason: click right of 'D' and left of 'h' return the same x-axis position,
 425      pass this position to FindCursorPosition() returns index of 'h'. which
 426      means the selection start changed from 3 to 6.
 427      Need further investigation on whether this is a bug in Pango and how to
 428      work around it.
 429   // Drag selection handle 2 to left by 1 char.
 430   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 431   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 2);
 432   EXPECT_EQ(WideToUTF16(L"\x05e1\x05e2"), textfield_->GetSelectedText());
 433   VERIFY_HANDLE_POSITIONS(false);
 434   */
 435
 436   // Drag selection handle 1 to right by 1 char.
 437   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"d"), font_list);
 438   SimulateSelectionHandleDrag(gfx::Point(x, 0), 1);
 439   EXPECT_EQ(WideToUTF16(L"\x05e2\x05e3" L"d"), textfield_->GetSelectedText());
 440   VERIFY_HANDLE_POSITIONS(true);
 441
 442   // Select [\x5e1] from left to right.
 443   textfield_->SelectRange(gfx::Range(4, 3));
 444   EXPECT_EQ(WideToUTF16(L"\x05e1"), textfield_->GetSelectedText());
 445   VERIFY_HANDLE_POSITIONS(false);
 446
 447   /* TODO(xji): see detail of above commented out test case.
 448   // Drag selection handle 1 to left by 1 char.
 449   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 450   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 1);
 451   EXPECT_EQ(WideToUTF16(L"\x05e1\x05e2"), textfield_->GetSelectedText());
 452   VERIFY_HANDLE_POSITIONS(true);
 453   */
 454
 455   // Drag selection handle 2 to right by 1 char.
 456   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"d"), font_list);
 457   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
 458   EXPECT_EQ(WideToUTF16(L"\x05e2\x05e3" L"d"), textfield_->GetSelectedText());
 459   VERIFY_HANDLE_POSITIONS(false);
 460
 461   // Select [\x05r3] from right to left.
 462   textfield_->SelectRange(gfx::Range(5, 6));
 463   EXPECT_EQ(WideToUTF16(L"\x05e3"), textfield_->GetSelectedText());
 464   VERIFY_HANDLE_POSITIONS(false);
 465
 466   // Drag selection handle 2 to left by 1 char.
 467   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"c"), font_list);
 468   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 2);
 469   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 470   VERIFY_HANDLE_POSITIONS(false);
 471
 472   // Drag selection handle 1 to right by 1 char.
 473   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 474   SimulateSelectionHandleDrag(gfx::Point(x, 0), 1);
 475   EXPECT_EQ(WideToUTF16(L"c\x05e1"), textfield_->GetSelectedText());
 476   VERIFY_HANDLE_POSITIONS(true);
 477
 478   // Select [\x05r3] from left to right.
 479   textfield_->SelectRange(gfx::Range(6, 5));
 480   EXPECT_EQ(WideToUTF16(L"\x05e3"), textfield_->GetSelectedText());
 481   VERIFY_HANDLE_POSITIONS(false);
 482
 483   // Drag selection handle 1 to left by 1 char.
 484   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"c"), font_list);
 485   SimulateSelectionHandleDrag(gfx::Point(-x, 0), 1);
 486   EXPECT_EQ(WideToUTF16(L"c\x05e1\x05e2"), textfield_->GetSelectedText());
 487   VERIFY_HANDLE_POSITIONS(true);
 488
 489   // Drag selection handle 2 to right by 1 char.
 490   x = gfx::Canvas::GetStringWidth(WideToUTF16(L"\x05e2"), font_list);
 491   SimulateSelectionHandleDrag(gfx::Point(x, 0), 2);
 492   EXPECT_EQ(WideToUTF16(L"c\x05e1"), textfield_->GetSelectedText());
 493   VERIFY_HANDLE_POSITIONS(false);
 494 }
 495
 496 TEST_F(TouchSelectionControllerImplTest,
 497        HiddenSelectionHandleRetainsCursorPosition) {
 498   // Create a textfield with lots of text in it.
 499   CreateTextfield();
 500   std::string textfield_text("some text");
 501   for (int i = 0; i < 10; ++i)
 502     textfield_text += textfield_text;
 503   textfield_->SetText(ASCIIToUTF16(textfield_text));
 504
 505   // Tap the textfield to invoke selection.
 506   ui::GestureEventDetails details(ui::ET_GESTURE_TAP);
 507   details.set_tap_count(1);
 508   ui::GestureEvent tap(0, 0, 0, base::TimeDelta(), details);
 509   textfield_->OnGestureEvent(&tap);
 510
 511   // Select some text such that one handle is hidden.
 512   textfield_->SelectRange(gfx::Range(10, textfield_text.length()));
 513
 514   // Check that one selection handle is hidden.
 515   EXPECT_FALSE(IsSelectionHandle1Visible());
 516   EXPECT_TRUE(IsSelectionHandle2Visible());
 517   EXPECT_EQ(gfx::Range(10, textfield_text.length()),
 518             textfield_->GetSelectedRange());
 519
 520   // Drag the visible handle around and make sure the selection end point of the
 521   // invisible handle does not change.
 522   size_t visible_handle_position = textfield_->GetSelectedRange().end();
 523   for (int i = 0; i < 10; ++i) {
 524     SimulateSelectionHandleDrag(gfx::Point(-10, 0), 2);
 525     // Make sure that the visible handle is being dragged.
 526     EXPECT_NE(visible_handle_position, textfield_->GetSelectedRange().end());
 527     visible_handle_position = textfield_->GetSelectedRange().end();
 528     EXPECT_EQ((size_t) 10, textfield_->GetSelectedRange().start());
 529   }
 530 }
 531
 532 TEST_F(TouchSelectionControllerImplTest,
 533        DoubleTapInTextfieldWithCursorHandleShouldSelectText) {
 534   CreateTextfield();
 535   textfield_->SetText(ASCIIToUTF16("some text"));
 536   ui::test::EventGenerator generator(
 537       textfield_->GetWidget()->GetNativeView()->GetRootWindow());
 538
 539   // Tap the textfield to invoke touch selection.
 540   generator.GestureTapAt(gfx::Point(10, 10));
 541
 542   // Cursor handle should be visible.
 543   EXPECT_FALSE(textfield_->HasSelection());
 544   VERIFY_HANDLE_POSITIONS(false);
 545
 546   // Double tap on the cursor handle position. We want to check that the cursor
 547   // handle is not eating the event and that the event is falling through to the
 548   // textfield.
 549   gfx::Point cursor_pos = GetCursorHandlePosition();
 550   cursor_pos.Offset(GetHandleImageSize().width() / 2 + kPadding, 0);
 551   generator.GestureTapAt(cursor_pos);
 552   generator.GestureTapAt(cursor_pos);
 553   EXPECT_TRUE(textfield_->HasSelection());
 554 }
 555
 556 // A simple implementation of TouchEditable that allows faking cursor position
 557 // inside its boundaries.
 558 class TestTouchEditable : public ui::TouchEditable {
 559  public:
 560   explicit TestTouchEditable(aura::Window* window)
 561       : window_(window) {
 562     DCHECK(window);
 563   }
 564
 565   void set_bounds(const gfx::Rect& bounds) {
 566     bounds_ = bounds;
 567   }
 568
 569   void set_cursor_rect(const gfx::Rect& cursor_rect) {
 570     cursor_rect_ = cursor_rect;
 571   }
 572
 573   ~TestTouchEditable() override {}
 574
 575  private:
 576   // Overridden from ui::TouchEditable.
 577   void SelectRect(const gfx::Point& start, const gfx::Point& end) override {
 578     NOTREACHED();
 579   }
 580   void MoveCaretTo(const gfx::Point& point) override { NOTREACHED(); }
 581   void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) override {
 582     *p1 = *p2 = cursor_rect_;
 583   }
 584   gfx::Rect GetBounds() override { return gfx::Rect(bounds_.size()); }
 585   gfx::NativeView GetNativeView() const override { return window_; }
 586   void ConvertPointToScreen(gfx::Point* point) override {
 587     aura::client::ScreenPositionClient* screen_position_client =
 588         aura::client::GetScreenPositionClient(window_->GetRootWindow());
 589     if (screen_position_client)
 590       screen_position_client->ConvertPointToScreen(window_, point);
 591   }
 592   void ConvertPointFromScreen(gfx::Point* point) override {
 593     aura::client::ScreenPositionClient* screen_position_client =
 594         aura::client::GetScreenPositionClient(window_->GetRootWindow());
 595     if (screen_position_client)
 596       screen_position_client->ConvertPointFromScreen(window_, point);
 597   }
 598   bool DrawsHandles() override { return false; }
 599   void OpenContextMenu(const gfx::Point& anchor) override { NOTREACHED(); }
 600   void DestroyTouchSelection() override { NOTREACHED(); }
 601
 602   // Overridden from ui::SimpleMenuModel::Delegate.
 603   bool IsCommandIdChecked(int command_id) const override {
 604     NOTREACHED();
 605     return false;
 606   }
 607   bool IsCommandIdEnabled(int command_id) const override {
 608     NOTREACHED();
 609     return false;
 610   }
 611   bool GetAcceleratorForCommandId(int command_id,
 612                                   ui::Accelerator* accelerator) override {
 613     NOTREACHED();
 614     return false;
 615   }
 616   void ExecuteCommand(int command_id, int event_flags) override {
 617     NOTREACHED();
 618   }
 619
 620   aura::Window* window_;
 621
 622   // Boundaries of the client view.
 623   gfx::Rect bounds_;
 624
 625   // Cursor position inside the client view.
 626   gfx::Rect cursor_rect_;
 627
 628   DISALLOW_COPY_AND_ASSIGN(TestTouchEditable);
 629 };
 630
 631 // Tests if the touch editing handle is shown or hidden properly according to
 632 // the cursor position relative to the client boundaries.
 633 TEST_F(TouchSelectionControllerImplTest,
 634        VisibilityOfHandleRegardingClientBounds) {
 635   CreateWidget();
 636
 637   TestTouchEditable touch_editable(widget_->GetNativeView());
 638   scoped_ptr<ui::TouchSelectionController> touch_selection_controller(
 639       ui::TouchSelectionController::create(&touch_editable));
 640
 641   touch_editable.set_bounds(gfx::Rect(0, 0, 100, 20));
 642
 643   // Put the cursor completely inside the client bounds. Handle should be
 644   // visible.
 645   touch_editable.set_cursor_rect(gfx::Rect(2, 0, 1, 20));
 646   touch_selection_controller->SelectionChanged();
 647   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 648
 649   // Move the cursor up such that |kBarMinHeight| pixels are still in the client
 650   // bounds. Handle should still be visible.
 651   touch_editable.set_cursor_rect(gfx::Rect(2, kBarMinHeight - 20, 1, 20));
 652   touch_selection_controller->SelectionChanged();
 653   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 654
 655   // Move the cursor up such that less than |kBarMinHeight| pixels are in the
 656   // client bounds. Handle should be hidden.
 657   touch_editable.set_cursor_rect(gfx::Rect(2, kBarMinHeight - 20 - 1, 1, 20));
 658   touch_selection_controller->SelectionChanged();
 659   EXPECT_FALSE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 660
 661   // Move the Cursor down such that |kBarBottomAllowance| pixels are out of the
 662   // client bounds. Handle should be visible.
 663   touch_editable.set_cursor_rect(gfx::Rect(2, kBarBottomAllowance, 1, 20));
 664   touch_selection_controller->SelectionChanged();
 665   EXPECT_TRUE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 666
 667   // Move the cursor down such that more than |kBarBottomAllowance| pixels are
 668   // out of the client bounds. Handle should be hidden.
 669   touch_editable.set_cursor_rect(gfx::Rect(2, kBarBottomAllowance + 1, 1, 20));
 670   touch_selection_controller->SelectionChanged();
 671   EXPECT_FALSE(IsCursorHandleVisibleFor(touch_selection_controller.get()));
 672
 673   touch_selection_controller.reset();
 674 }
 675
 676 TEST_F(TouchSelectionControllerImplTest, HandlesStackAboveParent) {
 677   ui::EventTarget* root = GetContext();
 678   ui::EventTargeter* targeter = root->GetEventTargeter();
 679
 680   // Create the first window containing a Views::Textfield.
 681   CreateTextfield();
 682   aura::Window* window1 = textfield_widget_->GetNativeView();
 683
 684   // Start touch editing, check that the handle is above the first window, and
 685   // end touch editing.
 686   StartTouchEditing();
 687   gfx::Point test_point = GetCursorHandleDragPoint();
 688   ui::MouseEvent test_event1(ui::ET_MOUSE_MOVED, test_point, test_point,
 689                              ui::EF_NONE, ui::EF_NONE);
 690   EXPECT_EQ(GetCursorHandleNativeView(),
 691             targeter->FindTargetForEvent(root, &test_event1));
 692   EndTouchEditing();
 693
 694   // Create the second (empty) window over the first one.
 695   CreateWidget();
 696   aura::Window* window2 = widget_->GetNativeView();
 697
 698   // Start touch editing (in the first window) and check that the handle is not
 699   // above the second window.
 700   StartTouchEditing();
 701   ui::MouseEvent test_event2(ui::ET_MOUSE_MOVED, test_point, test_point,
 702                              ui::EF_NONE, ui::EF_NONE);
 703   EXPECT_EQ(window2, targeter->FindTargetForEvent(root, &test_event2));
 704
 705   // Move the first window to top and check that the handle is kept above the
 706   // first window.
 707   window1->GetRootWindow()->StackChildAtTop(window1);
 708   ui::MouseEvent test_event3(ui::ET_MOUSE_MOVED, test_point, test_point,
 709                              ui::EF_NONE, ui::EF_NONE);
 710   EXPECT_EQ(GetCursorHandleNativeView(),
 711             targeter->FindTargetForEvent(root, &test_event3));
 712 }
 713
 714 // A simple implementation of TouchEditingMenuController that enables all
 715 // available commands.
 716 class TestTouchEditingMenuController : public TouchEditingMenuController {
 717  public:
 718   TestTouchEditingMenuController() {}
 719   ~TestTouchEditingMenuController() override {}
 720
 721   // Overriden from TouchEditingMenuController.
 722   bool IsCommandIdEnabled(int command_id) const override {
 723     // Return true, since we want the menu to have all |kMenuCommandCount|
 724     // available commands.
 725     return true;
 726   }
 727   void ExecuteCommand(int command_id, int event_flags) override {
 728     NOTREACHED();
 729   }
 730   void OpenContextMenu() override { NOTREACHED(); }
 731   void OnMenuClosed(TouchEditingMenuView* menu) override {}
 732
 733  private:
 734   DISALLOW_COPY_AND_ASSIGN(TestTouchEditingMenuController);
 735 };
 736
 737 // Tests if anchor rect for touch editing quick menu is adjusted correctly based
 738 // on the distance of handles.
 739 TEST_F(TouchSelectionControllerImplTest, QuickMenuAdjustsAnchorRect) {
 740   CreateWidget();
 741   aura::Window* window = widget_->GetNativeView();
 742
 743   scoped_ptr<TestTouchEditingMenuController> quick_menu_controller(
 744       new TestTouchEditingMenuController());
 745
 746   // Some arbitrary size for touch editing handle image.
 747   gfx::Size handle_image_size(10, 10);
 748
 749   // Calculate the width of quick menu. In addition to |kMenuCommandCount|
 750   // commands, there is an item for ellipsis.
 751   int quick_menu_width = (kMenuCommandCount + 1) * kMenuButtonWidth +
 752                          kMenuCommandCount;
 753
 754   // Set anchor rect's width a bit smaller than the quick menu width plus handle
 755   // image width and check that anchor rect's height is adjusted.
 756   gfx::Rect anchor_rect(
 757       0, 0, quick_menu_width + handle_image_size.width() - 10, 20);
 758   TouchEditingMenuView* quick_menu(TouchEditingMenuView::Create(
 759       quick_menu_controller.get(), anchor_rect, handle_image_size, window));
 760   anchor_rect.Inset(0, 0, 0, -handle_image_size.height());
 761   EXPECT_EQ(anchor_rect.ToString(), quick_menu->GetAnchorRect().ToString());
 762
 763   // Set anchor rect's width a bit greater than the quick menu width plus handle
 764   // image width and check that anchor rect's height is not adjusted.
 765   anchor_rect =
 766       gfx::Rect(0, 0, quick_menu_width + handle_image_size.width() + 10, 20);
 767   quick_menu = TouchEditingMenuView::Create(
 768       quick_menu_controller.get(), anchor_rect, handle_image_size, window);
 769   EXPECT_EQ(anchor_rect.ToString(), quick_menu->GetAnchorRect().ToString());
 770
 771   // Close the widget, hence quick menus, before quick menu controller goes out
 772   // of scope.
 773   widget_->CloseNow();
 774   widget_ = NULL;
 775 }
 776
 777 TEST_F(TouchSelectionControllerImplTest, MouseEventDeactivatesTouchSelection) {
 778   CreateTextfield();
 779   EXPECT_FALSE(GetSelectionController());
 780
 781   ui::test::EventGenerator generator(
 782       textfield_widget_->GetNativeView()->GetRootWindow());
 783
 784   generator.set_current_location(gfx::Point(5, 5));
 785   RunPendingMessages();
 786
 787   // Start touch editing; then move mouse over the textfield and ensure it
 788   // deactivates touch selection.
 789   StartTouchEditing();
 790   EXPECT_TRUE(GetSelectionController());
 791   generator.MoveMouseTo(gfx::Point(5, 10));
 792   RunPendingMessages();
 793   EXPECT_FALSE(GetSelectionController());
 794
 795   generator.MoveMouseTo(gfx::Point(5, 50));
 796   RunPendingMessages();
 797
 798   // Start touch editing; then move mouse out of the textfield, but inside the
 799   // winow and ensure it deactivates touch selection.
 800   StartTouchEditing();
 801   EXPECT_TRUE(GetSelectionController());
 802   generator.MoveMouseTo(gfx::Point(5, 55));
 803   RunPendingMessages();
 804   EXPECT_FALSE(GetSelectionController());
 805
 806   generator.MoveMouseTo(gfx::Point(5, 500));
 807   RunPendingMessages();
 808
 809   // Start touch editing; then move mouse out of the textfield and window and
 810   // ensure it deactivates touch selection.
 811   StartTouchEditing();
 812   EXPECT_TRUE(GetSelectionController());
 813   generator.MoveMouseTo(5, 505);
 814   RunPendingMessages();
 815   EXPECT_FALSE(GetSelectionController());
 816 }
 817
 818 TEST_F(TouchSelectionControllerImplTest, KeyEventDeactivatesTouchSelection) {
 819   CreateTextfield();
 820   EXPECT_FALSE(GetSelectionController());
 821
 822   ui::test::EventGenerator generator(
 823       textfield_widget_->GetNativeView()->GetRootWindow());
 824
 825   RunPendingMessages();
 826
 827   // Start touch editing; then press a key and ensure it deactivates touch
 828   // selection.
 829   StartTouchEditing();
 830   EXPECT_TRUE(GetSelectionController());
 831   generator.PressKey(ui::VKEY_A, 0);
 832   RunPendingMessages();
 833   EXPECT_FALSE(GetSelectionController());
 834 }
 835
 836 }  // namespace views