ui/views/focus/focus_traversal_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 "ui/views/focus/focus_manager.h"
   6
   7 #include "base/run_loop.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "ui/base/models/combobox_model.h"
  11 #include "ui/views/background.h"
  12 #include "ui/views/border.h"
  13 #include "ui/views/controls/button/checkbox.h"
  14 #include "ui/views/controls/button/label_button.h"
  15 #include "ui/views/controls/button/radio_button.h"
  16 #include "ui/views/controls/combobox/combobox.h"
  17 #include "ui/views/controls/label.h"
  18 #include "ui/views/controls/link.h"
  19 #include "ui/views/controls/native/native_view_host.h"
  20 #include "ui/views/controls/scroll_view.h"
  21 #include "ui/views/controls/tabbed_pane/tabbed_pane.h"
  22 #include "ui/views/controls/textfield/textfield.h"
  23 #include "ui/views/focus/focus_manager_test.h"
  24 #include "ui/views/widget/root_view.h"
  25 #include "ui/views/widget/widget.h"
  26
  27 using base::ASCIIToUTF16;
  28
  29 namespace views {
  30
  31 namespace {
  32
  33 int count = 1;
  34
  35 const int kTopCheckBoxID = count++;  // 1
  36 const int kLeftContainerID = count++;
  37 const int kAppleLabelID = count++;
  38 const int kAppleTextfieldID = count++;
  39 const int kOrangeLabelID = count++;  // 5
  40 const int kOrangeTextfieldID = count++;
  41 const int kBananaLabelID = count++;
  42 const int kBananaTextfieldID = count++;
  43 const int kKiwiLabelID = count++;
  44 const int kKiwiTextfieldID = count++;  // 10
  45 const int kFruitButtonID = count++;
  46 const int kFruitCheckBoxID = count++;
  47 const int kComboboxID = count++;
  48
  49 const int kRightContainerID = count++;
  50 const int kAsparagusButtonID = count++;  // 15
  51 const int kBroccoliButtonID = count++;
  52 const int kCauliflowerButtonID = count++;
  53
  54 const int kInnerContainerID = count++;
  55 const int kScrollViewID = count++;
  56 const int kRosettaLinkID = count++;  // 20
  57 const int kStupeurEtTremblementLinkID = count++;
  58 const int kDinerGameLinkID = count++;
  59 const int kRidiculeLinkID = count++;
  60 const int kClosetLinkID = count++;
  61 const int kVisitingLinkID = count++;  // 25
  62 const int kAmelieLinkID = count++;
  63 const int kJoyeuxNoelLinkID = count++;
  64 const int kCampingLinkID = count++;
  65 const int kBriceDeNiceLinkID = count++;
  66 const int kTaxiLinkID = count++;  // 30
  67 const int kAsterixLinkID = count++;
  68
  69 const int kOKButtonID = count++;
  70 const int kCancelButtonID = count++;
  71 const int kHelpButtonID = count++;
  72
  73 const int kStyleContainerID = count++;  // 35
  74 const int kBoldCheckBoxID = count++;
  75 const int kItalicCheckBoxID = count++;
  76 const int kUnderlinedCheckBoxID = count++;
  77 const int kStyleHelpLinkID = count++;
  78 const int kStyleTextEditID = count++;  // 40
  79
  80 const int kSearchContainerID = count++;
  81 const int kSearchTextfieldID = count++;
  82 const int kSearchButtonID = count++;
  83 const int kHelpLinkID = count++;
  84
  85 const int kThumbnailContainerID = count++;  // 45
  86 const int kThumbnailStarID = count++;
  87 const int kThumbnailSuperStarID = count++;
  88
  89 class DummyComboboxModel : public ui::ComboboxModel {
  90  public:
  91   // Overridden from ui::ComboboxModel:
  92   virtual int GetItemCount() const OVERRIDE { return 10; }
  93   virtual base::string16 GetItemAt(int index) OVERRIDE {
  94     return ASCIIToUTF16("Item ") + base::IntToString16(index);
  95   }
  96 };
  97
  98 // A View that can act as a pane.
  99 class PaneView : public View, public FocusTraversable {
 100  public:
 101   PaneView() : focus_search_(NULL) {}
 102
 103   // If this method is called, this view will use GetPaneFocusTraversable to
 104   // have this provided FocusSearch used instead of the default one, allowing
 105   // you to trap focus within the pane.
 106   void EnablePaneFocus(FocusSearch* focus_search) {
 107     focus_search_ = focus_search;
 108   }
 109
 110   // Overridden from View:
 111   virtual FocusTraversable* GetPaneFocusTraversable() OVERRIDE {
 112     if (focus_search_)
 113       return this;
 114     else
 115       return NULL;
 116   }
 117
 118   // Overridden from FocusTraversable:
 119   virtual views::FocusSearch* GetFocusSearch() OVERRIDE {
 120     return focus_search_;
 121   }
 122   virtual FocusTraversable* GetFocusTraversableParent() OVERRIDE {
 123     return NULL;
 124   }
 125   virtual View* GetFocusTraversableParentView() OVERRIDE {
 126     return NULL;
 127   }
 128
 129  private:
 130   FocusSearch* focus_search_;
 131 };
 132
 133 // BorderView is a view containing a native window with its own view hierarchy.
 134 // It is interesting to test focus traversal from a view hierarchy to an inner
 135 // view hierarchy.
 136 class BorderView : public NativeViewHost {
 137  public:
 138   explicit BorderView(View* child) : child_(child), widget_(NULL) {
 139     DCHECK(child);
 140     SetFocusable(false);
 141   }
 142
 143   virtual ~BorderView() {}
 144
 145   virtual internal::RootView* GetContentsRootView() {
 146     return static_cast<internal::RootView*>(widget_->GetRootView());
 147   }
 148
 149   virtual FocusTraversable* GetFocusTraversable() OVERRIDE {
 150     return static_cast<internal::RootView*>(widget_->GetRootView());
 151   }
 152
 153   virtual void ViewHierarchyChanged(
 154       const ViewHierarchyChangedDetails& details) OVERRIDE {
 155     NativeViewHost::ViewHierarchyChanged(details);
 156
 157     if (details.child == this && details.is_add) {
 158       if (!widget_) {
 159         widget_ = new Widget;
 160         Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
 161         params.parent = details.parent->GetWidget()->GetNativeView();
 162         widget_->Init(params);
 163         widget_->SetFocusTraversableParentView(this);
 164         widget_->SetContentsView(child_);
 165       }
 166
 167       // We have been added to a view hierarchy, attach the native view.
 168       Attach(widget_->GetNativeView());
 169       // Also update the FocusTraversable parent so the focus traversal works.
 170       static_cast<internal::RootView*>(widget_->GetRootView())->
 171           SetFocusTraversableParent(GetWidget()->GetFocusTraversable());
 172     }
 173   }
 174
 175  private:
 176   View* child_;
 177   Widget* widget_;
 178
 179   DISALLOW_COPY_AND_ASSIGN(BorderView);
 180 };
 181
 182 }  // namespace
 183
 184 class FocusTraversalTest : public FocusManagerTest {
 185  public:
 186   virtual ~FocusTraversalTest();
 187
 188   virtual void InitContentView() OVERRIDE;
 189
 190  protected:
 191   FocusTraversalTest();
 192
 193   View* FindViewByID(int id) {
 194     View* view = GetContentsView()->GetViewByID(id);
 195     if (view)
 196       return view;
 197     if (style_tab_)
 198       view = style_tab_->GetSelectedTab()->GetViewByID(id);
 199     if (view)
 200       return view;
 201     view = search_border_view_->GetContentsRootView()->GetViewByID(id);
 202     if (view)
 203       return view;
 204     return NULL;
 205   }
 206
 207  protected:
 208   TabbedPane* style_tab_;
 209   BorderView* search_border_view_;
 210   DummyComboboxModel combobox_model_;
 211   PaneView* left_container_;
 212   PaneView* right_container_;
 213
 214   DISALLOW_COPY_AND_ASSIGN(FocusTraversalTest);
 215 };
 216
 217 FocusTraversalTest::FocusTraversalTest()
 218     : style_tab_(NULL),
 219       search_border_view_(NULL) {
 220 }
 221
 222 FocusTraversalTest::~FocusTraversalTest() {
 223 }
 224
 225 void FocusTraversalTest::InitContentView() {
 226   // Create a complicated view hierarchy with lots of control types for
 227   // use by all of the focus traversal tests.
 228   //
 229   // Class name, ID, and asterisk next to focusable views:
 230   //
 231   // View
 232   //   Checkbox            * kTopCheckBoxID
 233   //   PaneView              kLeftContainerID
 234   //     Label               kAppleLabelID
 235   //     Textfield         * kAppleTextfieldID
 236   //     Label               kOrangeLabelID
 237   //     Textfield         * kOrangeTextfieldID
 238   //     Label               kBananaLabelID
 239   //     Textfield         * kBananaTextfieldID
 240   //     Label               kKiwiLabelID
 241   //     Textfield         * kKiwiTextfieldID
 242   //     NativeButton      * kFruitButtonID
 243   //     Checkbox          * kFruitCheckBoxID
 244   //     Combobox          * kComboboxID
 245   //   PaneView              kRightContainerID
 246   //     RadioButton       * kAsparagusButtonID
 247   //     RadioButton       * kBroccoliButtonID
 248   //     RadioButton       * kCauliflowerButtonID
 249   //     View                kInnerContainerID
 250   //       ScrollView        kScrollViewID
 251   //         View
 252   //           Link        * kRosettaLinkID
 253   //           Link        * kStupeurEtTremblementLinkID
 254   //           Link        * kDinerGameLinkID
 255   //           Link        * kRidiculeLinkID
 256   //           Link        * kClosetLinkID
 257   //           Link        * kVisitingLinkID
 258   //           Link        * kAmelieLinkID
 259   //           Link        * kJoyeuxNoelLinkID
 260   //           Link        * kCampingLinkID
 261   //           Link        * kBriceDeNiceLinkID
 262   //           Link        * kTaxiLinkID
 263   //           Link        * kAsterixLinkID
 264   //   NativeButton        * kOKButtonID
 265   //   NativeButton        * kCancelButtonID
 266   //   NativeButton        * kHelpButtonID
 267   //   TabbedPane          * kStyleContainerID
 268   //     View
 269   //       Checkbox        * kBoldCheckBoxID
 270   //       Checkbox        * kItalicCheckBoxID
 271   //       Checkbox        * kUnderlinedCheckBoxID
 272   //       Link            * kStyleHelpLinkID
 273   //       Textfield       * kStyleTextEditID
 274   //     Other
 275   //   BorderView            kSearchContainerID
 276   //     View
 277   //       Textfield       * kSearchTextfieldID
 278   //       NativeButton    * kSearchButtonID
 279   //       Link            * kHelpLinkID
 280   //   View                * kThumbnailContainerID
 281   //     NativeButton      * kThumbnailStarID
 282   //     NativeButton      * kThumbnailSuperStarID
 283
 284   GetContentsView()->set_background(
 285       Background::CreateSolidBackground(SK_ColorWHITE));
 286
 287   Checkbox* cb = new Checkbox(ASCIIToUTF16("This is a checkbox"));
 288   GetContentsView()->AddChildView(cb);
 289   // In this fast paced world, who really has time for non hard-coded layout?
 290   cb->SetBounds(10, 10, 200, 20);
 291   cb->set_id(kTopCheckBoxID);
 292
 293   left_container_ = new PaneView();
 294   left_container_->SetBorder(Border::CreateSolidBorder(1, SK_ColorBLACK));
 295   left_container_->set_background(
 296       Background::CreateSolidBackground(240, 240, 240));
 297   left_container_->set_id(kLeftContainerID);
 298   GetContentsView()->AddChildView(left_container_);
 299   left_container_->SetBounds(10, 35, 250, 200);
 300
 301   int label_x = 5;
 302   int label_width = 50;
 303   int label_height = 15;
 304   int text_field_width = 150;
 305   int y = 10;
 306   int gap_between_labels = 10;
 307
 308   Label* label = new Label(ASCIIToUTF16("Apple:"));
 309   label->set_id(kAppleLabelID);
 310   left_container_->AddChildView(label);
 311   label->SetBounds(label_x, y, label_width, label_height);
 312
 313   Textfield* text_field = new Textfield();
 314   text_field->set_id(kAppleTextfieldID);
 315   left_container_->AddChildView(text_field);
 316   text_field->SetBounds(label_x + label_width + 5, y,
 317                         text_field_width, label_height);
 318
 319   y += label_height + gap_between_labels;
 320
 321   label = new Label(ASCIIToUTF16("Orange:"));
 322   label->set_id(kOrangeLabelID);
 323   left_container_->AddChildView(label);
 324   label->SetBounds(label_x, y, label_width, label_height);
 325
 326   text_field = new Textfield();
 327   text_field->set_id(kOrangeTextfieldID);
 328   left_container_->AddChildView(text_field);
 329   text_field->SetBounds(label_x + label_width + 5, y,
 330                         text_field_width, label_height);
 331
 332   y += label_height + gap_between_labels;
 333
 334   label = new Label(ASCIIToUTF16("Banana:"));
 335   label->set_id(kBananaLabelID);
 336   left_container_->AddChildView(label);
 337   label->SetBounds(label_x, y, label_width, label_height);
 338
 339   text_field = new Textfield();
 340   text_field->set_id(kBananaTextfieldID);
 341   left_container_->AddChildView(text_field);
 342   text_field->SetBounds(label_x + label_width + 5, y,
 343                         text_field_width, label_height);
 344
 345   y += label_height + gap_between_labels;
 346
 347   label = new Label(ASCIIToUTF16("Kiwi:"));
 348   label->set_id(kKiwiLabelID);
 349   left_container_->AddChildView(label);
 350   label->SetBounds(label_x, y, label_width, label_height);
 351
 352   text_field = new Textfield();
 353   text_field->set_id(kKiwiTextfieldID);
 354   left_container_->AddChildView(text_field);
 355   text_field->SetBounds(label_x + label_width + 5, y,
 356                         text_field_width, label_height);
 357
 358   y += label_height + gap_between_labels;
 359
 360   LabelButton* button = new LabelButton(NULL, ASCIIToUTF16("Click me"));
 361   button->SetStyle(Button::STYLE_BUTTON);
 362   button->SetBounds(label_x, y + 10, 80, 30);
 363   button->set_id(kFruitButtonID);
 364   left_container_->AddChildView(button);
 365   y += 40;
 366
 367   cb =  new Checkbox(ASCIIToUTF16("This is another check box"));
 368   cb->SetBounds(label_x + label_width + 5, y, 180, 20);
 369   cb->set_id(kFruitCheckBoxID);
 370   left_container_->AddChildView(cb);
 371   y += 20;
 372
 373   Combobox* combobox =  new Combobox(&combobox_model_);
 374   combobox->SetBounds(label_x + label_width + 5, y, 150, 30);
 375   combobox->set_id(kComboboxID);
 376   left_container_->AddChildView(combobox);
 377
 378   right_container_ = new PaneView();
 379   right_container_->SetBorder(Border::CreateSolidBorder(1, SK_ColorBLACK));
 380   right_container_->set_background(
 381       Background::CreateSolidBackground(240, 240, 240));
 382   right_container_->set_id(kRightContainerID);
 383   GetContentsView()->AddChildView(right_container_);
 384   right_container_->SetBounds(270, 35, 300, 200);
 385
 386   y = 10;
 387   int radio_button_height = 18;
 388   int gap_between_radio_buttons = 10;
 389   RadioButton* radio_button = new RadioButton(ASCIIToUTF16("Asparagus"), 1);
 390   radio_button->set_id(kAsparagusButtonID);
 391   right_container_->AddChildView(radio_button);
 392   radio_button->SetBounds(5, y, 70, radio_button_height);
 393   radio_button->SetGroup(1);
 394   y += radio_button_height + gap_between_radio_buttons;
 395   radio_button = new RadioButton(ASCIIToUTF16("Broccoli"), 1);
 396   radio_button->set_id(kBroccoliButtonID);
 397   right_container_->AddChildView(radio_button);
 398   radio_button->SetBounds(5, y, 70, radio_button_height);
 399   radio_button->SetGroup(1);
 400   RadioButton* radio_button_to_check = radio_button;
 401   y += radio_button_height + gap_between_radio_buttons;
 402   radio_button = new RadioButton(ASCIIToUTF16("Cauliflower"), 1);
 403   radio_button->set_id(kCauliflowerButtonID);
 404   right_container_->AddChildView(radio_button);
 405   radio_button->SetBounds(5, y, 70, radio_button_height);
 406   radio_button->SetGroup(1);
 407   y += radio_button_height + gap_between_radio_buttons;
 408
 409   View* inner_container = new View();
 410   inner_container->SetBorder(Border::CreateSolidBorder(1, SK_ColorBLACK));
 411   inner_container->set_background(
 412       Background::CreateSolidBackground(230, 230, 230));
 413   inner_container->set_id(kInnerContainerID);
 414   right_container_->AddChildView(inner_container);
 415   inner_container->SetBounds(100, 10, 150, 180);
 416
 417   ScrollView* scroll_view = new ScrollView();
 418   scroll_view->set_id(kScrollViewID);
 419   inner_container->AddChildView(scroll_view);
 420   scroll_view->SetBounds(1, 1, 148, 178);
 421
 422   View* scroll_content = new View();
 423   scroll_content->SetBounds(0, 0, 200, 200);
 424   scroll_content->set_background(
 425       Background::CreateSolidBackground(200, 200, 200));
 426   scroll_view->SetContents(scroll_content);
 427
 428   static const char* const kTitles[] = {
 429       "Rosetta", "Stupeur et tremblement", "The diner game",
 430       "Ridicule", "Le placard", "Les Visiteurs", "Amelie",
 431       "Joyeux Noel", "Camping", "Brice de Nice",
 432       "Taxi", "Asterix"
 433   };
 434
 435   static const int kIDs[] = {
 436       kRosettaLinkID, kStupeurEtTremblementLinkID, kDinerGameLinkID,
 437       kRidiculeLinkID, kClosetLinkID, kVisitingLinkID, kAmelieLinkID,
 438       kJoyeuxNoelLinkID, kCampingLinkID, kBriceDeNiceLinkID,
 439       kTaxiLinkID, kAsterixLinkID
 440   };
 441
 442   DCHECK(arraysize(kTitles) == arraysize(kIDs));
 443
 444   y = 5;
 445   for (size_t i = 0; i < arraysize(kTitles); ++i) {
 446     Link* link = new Link(ASCIIToUTF16(kTitles[i]));
 447     link->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 448     link->set_id(kIDs[i]);
 449     scroll_content->AddChildView(link);
 450     link->SetBounds(5, y, 300, 15);
 451     y += 15;
 452   }
 453
 454   y = 250;
 455   int width = 60;
 456   button = new LabelButton(NULL, ASCIIToUTF16("OK"));
 457   button->SetStyle(Button::STYLE_BUTTON);
 458   button->set_id(kOKButtonID);
 459   button->SetIsDefault(true);
 460
 461   GetContentsView()->AddChildView(button);
 462   button->SetBounds(150, y, width, 30);
 463
 464   button = new LabelButton(NULL, ASCIIToUTF16("Cancel"));
 465   button->SetStyle(Button::STYLE_BUTTON);
 466   button->set_id(kCancelButtonID);
 467   GetContentsView()->AddChildView(button);
 468   button->SetBounds(220, y, width, 30);
 469
 470   button = new LabelButton(NULL, ASCIIToUTF16("Help"));
 471   button->SetStyle(Button::STYLE_BUTTON);
 472   button->set_id(kHelpButtonID);
 473   GetContentsView()->AddChildView(button);
 474   button->SetBounds(290, y, width, 30);
 475
 476   y += 40;
 477
 478   View* contents = NULL;
 479   Link* link = NULL;
 480
 481   // Left bottom box with style checkboxes.
 482   contents = new View();
 483   contents->set_background(Background::CreateSolidBackground(SK_ColorWHITE));
 484   cb = new Checkbox(ASCIIToUTF16("Bold"));
 485   contents->AddChildView(cb);
 486   cb->SetBounds(10, 10, 50, 20);
 487   cb->set_id(kBoldCheckBoxID);
 488
 489   cb = new Checkbox(ASCIIToUTF16("Italic"));
 490   contents->AddChildView(cb);
 491   cb->SetBounds(70, 10, 50, 20);
 492   cb->set_id(kItalicCheckBoxID);
 493
 494   cb = new Checkbox(ASCIIToUTF16("Underlined"));
 495   contents->AddChildView(cb);
 496   cb->SetBounds(130, 10, 70, 20);
 497   cb->set_id(kUnderlinedCheckBoxID);
 498
 499   link = new Link(ASCIIToUTF16("Help"));
 500   contents->AddChildView(link);
 501   link->SetBounds(10, 35, 70, 10);
 502   link->set_id(kStyleHelpLinkID);
 503
 504   text_field = new Textfield();
 505   contents->AddChildView(text_field);
 506   text_field->SetBounds(10, 50, 100, 20);
 507   text_field->set_id(kStyleTextEditID);
 508
 509   style_tab_ = new TabbedPane();
 510   style_tab_->set_id(kStyleContainerID);
 511   GetContentsView()->AddChildView(style_tab_);
 512   style_tab_->SetBounds(10, y, 210, 100);
 513   style_tab_->AddTab(ASCIIToUTF16("Style"), contents);
 514   style_tab_->AddTab(ASCIIToUTF16("Other"), new View());
 515
 516   // Right bottom box with search.
 517   contents = new View();
 518   contents->set_background(Background::CreateSolidBackground(SK_ColorWHITE));
 519   text_field = new Textfield();
 520   contents->AddChildView(text_field);
 521   text_field->SetBounds(10, 10, 100, 20);
 522   text_field->set_id(kSearchTextfieldID);
 523
 524   button = new LabelButton(NULL, ASCIIToUTF16("Search"));
 525   button->SetStyle(Button::STYLE_BUTTON);
 526   contents->AddChildView(button);
 527   button->SetBounds(112, 5, 60, 30);
 528   button->set_id(kSearchButtonID);
 529
 530   link = new Link(ASCIIToUTF16("Help"));
 531   link->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 532   link->set_id(kHelpLinkID);
 533   contents->AddChildView(link);
 534   link->SetBounds(175, 10, 30, 20);
 535
 536   search_border_view_ = new BorderView(contents);
 537   search_border_view_->set_id(kSearchContainerID);
 538
 539   GetContentsView()->AddChildView(search_border_view_);
 540   search_border_view_->SetBounds(300, y, 240, 50);
 541
 542   y += 60;
 543
 544   contents = new View();
 545   contents->SetFocusable(true);
 546   contents->set_background(Background::CreateSolidBackground(SK_ColorBLUE));
 547   contents->set_id(kThumbnailContainerID);
 548   button = new LabelButton(NULL, ASCIIToUTF16("Star"));
 549   button->SetStyle(Button::STYLE_BUTTON);
 550   contents->AddChildView(button);
 551   button->SetBounds(5, 5, 50, 30);
 552   button->set_id(kThumbnailStarID);
 553   button = new LabelButton(NULL, ASCIIToUTF16("SuperStar"));
 554   button->SetStyle(Button::STYLE_BUTTON);
 555   contents->AddChildView(button);
 556   button->SetBounds(60, 5, 100, 30);
 557   button->set_id(kThumbnailSuperStarID);
 558
 559   GetContentsView()->AddChildView(contents);
 560   contents->SetBounds(250, y, 200, 50);
 561   // We can only call RadioButton::SetChecked() on the radio-button is part of
 562   // the view hierarchy.
 563   radio_button_to_check->SetChecked(true);
 564 }
 565
 566 TEST_F(FocusTraversalTest, NormalTraversal) {
 567   const int kTraversalIDs[] = { kTopCheckBoxID,  kAppleTextfieldID,
 568       kOrangeTextfieldID, kBananaTextfieldID, kKiwiTextfieldID,
 569       kFruitButtonID, kFruitCheckBoxID, kComboboxID, kBroccoliButtonID,
 570       kRosettaLinkID, kStupeurEtTremblementLinkID,
 571       kDinerGameLinkID, kRidiculeLinkID, kClosetLinkID, kVisitingLinkID,
 572       kAmelieLinkID, kJoyeuxNoelLinkID, kCampingLinkID, kBriceDeNiceLinkID,
 573       kTaxiLinkID, kAsterixLinkID, kOKButtonID, kCancelButtonID, kHelpButtonID,
 574       kStyleContainerID, kBoldCheckBoxID, kItalicCheckBoxID,
 575       kUnderlinedCheckBoxID, kStyleHelpLinkID, kStyleTextEditID,
 576       kSearchTextfieldID, kSearchButtonID, kHelpLinkID,
 577       kThumbnailContainerID, kThumbnailStarID, kThumbnailSuperStarID };
 578
 579   // Let's traverse the whole focus hierarchy (several times, to make sure it
 580   // loops OK).
 581   GetFocusManager()->ClearFocus();
 582   for (int i = 0; i < 3; ++i) {
 583     for (size_t j = 0; j < arraysize(kTraversalIDs); j++) {
 584       GetFocusManager()->AdvanceFocus(false);
 585       View* focused_view = GetFocusManager()->GetFocusedView();
 586       EXPECT_TRUE(focused_view != NULL);
 587       if (focused_view)
 588         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 589     }
 590   }
 591
 592   // Let's traverse in reverse order.
 593   GetFocusManager()->ClearFocus();
 594   for (int i = 0; i < 3; ++i) {
 595     for (int j = arraysize(kTraversalIDs) - 1; j >= 0; --j) {
 596       GetFocusManager()->AdvanceFocus(true);
 597       View* focused_view = GetFocusManager()->GetFocusedView();
 598       EXPECT_TRUE(focused_view != NULL);
 599       if (focused_view)
 600         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 601     }
 602   }
 603 }
 604
 605 TEST_F(FocusTraversalTest, TraversalWithNonEnabledViews) {
 606   const int kDisabledIDs[] = {
 607       kBananaTextfieldID, kFruitCheckBoxID, kComboboxID, kAsparagusButtonID,
 608       kCauliflowerButtonID, kClosetLinkID, kVisitingLinkID, kBriceDeNiceLinkID,
 609       kTaxiLinkID, kAsterixLinkID, kHelpButtonID, kBoldCheckBoxID,
 610       kSearchTextfieldID, kHelpLinkID };
 611
 612   const int kTraversalIDs[] = { kTopCheckBoxID,  kAppleTextfieldID,
 613       kOrangeTextfieldID, kKiwiTextfieldID, kFruitButtonID, kBroccoliButtonID,
 614       kRosettaLinkID, kStupeurEtTremblementLinkID, kDinerGameLinkID,
 615       kRidiculeLinkID, kAmelieLinkID, kJoyeuxNoelLinkID, kCampingLinkID,
 616       kOKButtonID, kCancelButtonID, kStyleContainerID, kItalicCheckBoxID,
 617       kUnderlinedCheckBoxID, kStyleHelpLinkID, kStyleTextEditID,
 618       kSearchButtonID, kThumbnailContainerID, kThumbnailStarID,
 619       kThumbnailSuperStarID };
 620
 621   // Let's disable some views.
 622   for (size_t i = 0; i < arraysize(kDisabledIDs); i++) {
 623     View* v = FindViewByID(kDisabledIDs[i]);
 624     ASSERT_TRUE(v != NULL);
 625     v->SetEnabled(false);
 626   }
 627
 628   View* focused_view;
 629   // Let's do one traversal (several times, to make sure it loops ok).
 630   GetFocusManager()->ClearFocus();
 631   for (int i = 0; i < 3; ++i) {
 632     for (size_t j = 0; j < arraysize(kTraversalIDs); j++) {
 633       GetFocusManager()->AdvanceFocus(false);
 634       focused_view = GetFocusManager()->GetFocusedView();
 635       EXPECT_TRUE(focused_view != NULL);
 636       if (focused_view)
 637         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 638     }
 639   }
 640
 641   // Same thing in reverse.
 642   GetFocusManager()->ClearFocus();
 643   for (int i = 0; i < 3; ++i) {
 644     for (int j = arraysize(kTraversalIDs) - 1; j >= 0; --j) {
 645       GetFocusManager()->AdvanceFocus(true);
 646       focused_view = GetFocusManager()->GetFocusedView();
 647       EXPECT_TRUE(focused_view != NULL);
 648       if (focused_view)
 649         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 650     }
 651   }
 652 }
 653
 654 TEST_F(FocusTraversalTest, TraversalWithInvisibleViews) {
 655   const int kInvisibleIDs[] = { kTopCheckBoxID, kOKButtonID,
 656       kThumbnailContainerID };
 657
 658   const int kTraversalIDs[] = { kAppleTextfieldID, kOrangeTextfieldID,
 659       kBananaTextfieldID, kKiwiTextfieldID, kFruitButtonID, kFruitCheckBoxID,
 660       kComboboxID, kBroccoliButtonID, kRosettaLinkID,
 661       kStupeurEtTremblementLinkID, kDinerGameLinkID, kRidiculeLinkID,
 662       kClosetLinkID, kVisitingLinkID, kAmelieLinkID, kJoyeuxNoelLinkID,
 663       kCampingLinkID, kBriceDeNiceLinkID, kTaxiLinkID, kAsterixLinkID,
 664       kCancelButtonID, kHelpButtonID, kStyleContainerID, kBoldCheckBoxID,
 665       kItalicCheckBoxID, kUnderlinedCheckBoxID, kStyleHelpLinkID,
 666       kStyleTextEditID, kSearchTextfieldID, kSearchButtonID, kHelpLinkID };
 667
 668
 669   // Let's make some views invisible.
 670   for (size_t i = 0; i < arraysize(kInvisibleIDs); i++) {
 671     View* v = FindViewByID(kInvisibleIDs[i]);
 672     ASSERT_TRUE(v != NULL);
 673     v->SetVisible(false);
 674   }
 675
 676   View* focused_view;
 677   // Let's do one traversal (several times, to make sure it loops ok).
 678   GetFocusManager()->ClearFocus();
 679   for (int i = 0; i < 3; ++i) {
 680     for (size_t j = 0; j < arraysize(kTraversalIDs); j++) {
 681       GetFocusManager()->AdvanceFocus(false);
 682       focused_view = GetFocusManager()->GetFocusedView();
 683       EXPECT_TRUE(focused_view != NULL);
 684       if (focused_view)
 685         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 686     }
 687   }
 688
 689   // Same thing in reverse.
 690   GetFocusManager()->ClearFocus();
 691   for (int i = 0; i < 3; ++i) {
 692     for (int j = arraysize(kTraversalIDs) - 1; j >= 0; --j) {
 693       GetFocusManager()->AdvanceFocus(true);
 694       focused_view = GetFocusManager()->GetFocusedView();
 695       EXPECT_TRUE(focused_view != NULL);
 696       if (focused_view)
 697         EXPECT_EQ(kTraversalIDs[j], focused_view->id());
 698     }
 699   }
 700 }
 701
 702 TEST_F(FocusTraversalTest, PaneTraversal) {
 703   // Tests trapping the traversal within a pane - useful for full
 704   // keyboard accessibility for toolbars.
 705
 706   // First test the left container.
 707   const int kLeftTraversalIDs[] = {
 708     kAppleTextfieldID,
 709     kOrangeTextfieldID, kBananaTextfieldID, kKiwiTextfieldID,
 710     kFruitButtonID, kFruitCheckBoxID, kComboboxID };
 711
 712   FocusSearch focus_search_left(left_container_, true, false);
 713   left_container_->EnablePaneFocus(&focus_search_left);
 714   FindViewByID(kComboboxID)->RequestFocus();
 715
 716   // Traverse the focus hierarchy within the pane several times.
 717   for (int i = 0; i < 3; ++i) {
 718     for (size_t j = 0; j < arraysize(kLeftTraversalIDs); j++) {
 719       GetFocusManager()->AdvanceFocus(false);
 720       View* focused_view = GetFocusManager()->GetFocusedView();
 721       EXPECT_TRUE(focused_view != NULL);
 722       if (focused_view)
 723         EXPECT_EQ(kLeftTraversalIDs[j], focused_view->id());
 724     }
 725   }
 726
 727   // Traverse in reverse order.
 728   FindViewByID(kAppleTextfieldID)->RequestFocus();
 729   for (int i = 0; i < 3; ++i) {
 730     for (int j = arraysize(kLeftTraversalIDs) - 1; j >= 0; --j) {
 731       GetFocusManager()->AdvanceFocus(true);
 732       View* focused_view = GetFocusManager()->GetFocusedView();
 733       EXPECT_TRUE(focused_view != NULL);
 734       if (focused_view)
 735         EXPECT_EQ(kLeftTraversalIDs[j], focused_view->id());
 736     }
 737   }
 738
 739   // Now test the right container, but this time with accessibility mode.
 740   // Make some links not focusable, but mark one of them as
 741   // "accessibility focusable", so it should show up in the traversal.
 742   const int kRightTraversalIDs[] = {
 743     kBroccoliButtonID, kDinerGameLinkID, kRidiculeLinkID,
 744     kClosetLinkID, kVisitingLinkID, kAmelieLinkID, kJoyeuxNoelLinkID,
 745     kCampingLinkID, kBriceDeNiceLinkID, kTaxiLinkID, kAsterixLinkID };
 746
 747   FocusSearch focus_search_right(right_container_, true, true);
 748   right_container_->EnablePaneFocus(&focus_search_right);
 749   FindViewByID(kRosettaLinkID)->SetFocusable(false);
 750   FindViewByID(kStupeurEtTremblementLinkID)->SetFocusable(false);
 751   FindViewByID(kDinerGameLinkID)->SetAccessibilityFocusable(true);
 752   FindViewByID(kDinerGameLinkID)->SetFocusable(false);
 753   FindViewByID(kAsterixLinkID)->RequestFocus();
 754
 755   // Traverse the focus hierarchy within the pane several times.
 756   for (int i = 0; i < 3; ++i) {
 757     for (size_t j = 0; j < arraysize(kRightTraversalIDs); j++) {
 758       GetFocusManager()->AdvanceFocus(false);
 759       View* focused_view = GetFocusManager()->GetFocusedView();
 760       EXPECT_TRUE(focused_view != NULL);
 761       if (focused_view)
 762         EXPECT_EQ(kRightTraversalIDs[j], focused_view->id());
 763     }
 764   }
 765
 766   // Traverse in reverse order.
 767   FindViewByID(kBroccoliButtonID)->RequestFocus();
 768   for (int i = 0; i < 3; ++i) {
 769     for (int j = arraysize(kRightTraversalIDs) - 1; j >= 0; --j) {
 770       GetFocusManager()->AdvanceFocus(true);
 771       View* focused_view = GetFocusManager()->GetFocusedView();
 772       EXPECT_TRUE(focused_view != NULL);
 773       if (focused_view)
 774         EXPECT_EQ(kRightTraversalIDs[j], focused_view->id());
 775     }
 776   }
 777 }
 778
 779 }  // namespace views