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| 1 // Copyright (c) 2010 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 <atlbase.h> | |
| 6 #include <vector> | |
| 7 | |
| 8 #include "base/scoped_comptr_win.h" | |
| 9 #include "chrome/browser/automation/ui_controls.h" | |
| 10 #include "chrome/browser/browser.h" | |
| 11 #include "chrome/browser/browser_window.h" | |
| 12 #include "chrome/browser/renderer_host/render_view_host.h" | |
| 13 #include "chrome/browser/renderer_host/render_widget_host_view_win.h" | |
| 14 #include "chrome/browser/tab_contents/tab_contents.h" | |
| 15 #include "chrome/common/chrome_switches.h" | |
| 16 #include "chrome/common/notification_type.h" | |
| 17 #include "chrome/test/in_process_browser_test.h" | |
| 18 #include "chrome/test/ui_test_utils.h" | |
| 19 #include "ia2_api_all.h" // Generated | |
| 20 | |
| 21 using std::auto_ptr; | |
| 22 using std::vector; | |
| 23 using std::wstring; | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 class AccessibilityWinBrowserTest : public InProcessBrowserTest { | |
| 28 public: | |
| 29 AccessibilityWinBrowserTest() {} | |
| 30 | |
| 31 // InProcessBrowserTest | |
| 32 void SetUpInProcessBrowserTestFixture(); | |
| 33 | |
| 34 protected: | |
| 35 IAccessible* GetRendererAccessible(); | |
| 36 void ExecuteScript(wstring script); | |
| 37 }; | |
| 38 | |
| 39 void AccessibilityWinBrowserTest::SetUpInProcessBrowserTestFixture() { | |
| 40 // If the mouse happens to be on the document then it will have the unexpected | |
| 41 // STATE_SYSTEM_HOTTRACKED state. Move it to a non-document location. | |
| 42 ui_controls::SendMouseMove(0, 0); | |
| 43 } | |
| 44 | |
| 45 class AccessibleChecker { | |
| 46 public: | |
| 47 AccessibleChecker( | |
| 48 wstring expected_name, | |
| 49 int32 expected_role, | |
| 50 wstring expected_value); | |
| 51 AccessibleChecker( | |
| 52 wstring expected_name, | |
| 53 wstring expected_role, | |
| 54 wstring expected_value); | |
| 55 | |
| 56 // Append an AccessibleChecker that verifies accessibility information for | |
| 57 // a child IAccessible. Order is important. | |
| 58 void AppendExpectedChild(AccessibleChecker* expected_child); | |
| 59 | |
| 60 // Check that the name and role of the given IAccessible instance and its | |
| 61 // descendants match the expected names and roles that this object was | |
| 62 // initialized with. | |
| 63 void CheckAccessible(IAccessible* accessible); | |
| 64 | |
| 65 // Set the expected value for this AccessibleChecker. | |
| 66 void SetExpectedValue(wstring expected_value); | |
| 67 | |
| 68 // Set the expected state for this AccessibleChecker. | |
| 69 void SetExpectedState(LONG expected_state); | |
| 70 | |
| 71 private: | |
| 72 void CheckAccessibleName(IAccessible* accessible); | |
| 73 void CheckAccessibleRole(IAccessible* accessible); | |
| 74 void CheckAccessibleValue(IAccessible* accessible); | |
| 75 void CheckAccessibleState(IAccessible* accessible); | |
| 76 void CheckAccessibleChildren(IAccessible* accessible); | |
| 77 | |
| 78 private: | |
| 79 typedef vector<AccessibleChecker*> AccessibleCheckerVector; | |
| 80 | |
| 81 // Expected accessible name. Checked against IAccessible::get_accName. | |
| 82 wstring name_; | |
| 83 | |
| 84 // Expected accessible role. Checked against IAccessible::get_accRole. | |
| 85 CComVariant role_; | |
| 86 | |
| 87 // Expected accessible value. Checked against IAccessible::get_accValue. | |
| 88 wstring value_; | |
| 89 | |
| 90 // Expected accessible state. Checked against IAccessible::get_accState. | |
| 91 LONG state_; | |
| 92 | |
| 93 // Expected accessible children. Checked using IAccessible::get_accChildCount | |
| 94 // and ::AccessibleChildren. | |
| 95 AccessibleCheckerVector children_; | |
| 96 }; | |
| 97 | |
| 98 VARIANT CreateI4Variant(LONG value) { | |
| 99 VARIANT variant = {0}; | |
| 100 | |
| 101 V_VT(&variant) = VT_I4; | |
| 102 V_I4(&variant) = value; | |
| 103 | |
| 104 return variant; | |
| 105 } | |
| 106 | |
| 107 IAccessible* GetAccessibleFromResultVariant(IAccessible* parent, VARIANT *var) { | |
| 108 switch (V_VT(var)) { | |
| 109 case VT_DISPATCH: | |
| 110 return CComQIPtr<IAccessible>(V_DISPATCH(var)).Detach(); | |
| 111 break; | |
| 112 | |
| 113 case VT_I4: { | |
| 114 CComPtr<IDispatch> dispatch; | |
| 115 HRESULT hr = parent->get_accChild(CreateI4Variant(V_I4(var)), &dispatch); | |
| 116 EXPECT_TRUE(SUCCEEDED(hr)); | |
| 117 return CComQIPtr<IAccessible>(dispatch).Detach(); | |
| 118 break; | |
| 119 } | |
| 120 } | |
| 121 | |
| 122 return NULL; | |
| 123 } | |
| 124 | |
| 125 HRESULT QueryIAccessible2(IAccessible* accessible, IAccessible2** accessible2) { | |
| 126 // TODO(ctguil): For some reason querying the IAccessible2 interface from | |
| 127 // IAccessible fails. | |
| 128 ScopedComPtr<IServiceProvider> service_provider; | |
| 129 HRESULT hr = accessible->QueryInterface(service_provider.Receive()); | |
| 130 if (FAILED(hr)) | |
| 131 return hr; | |
| 132 | |
| 133 hr = service_provider->QueryService(IID_IAccessible2, accessible2); | |
| 134 return hr; | |
| 135 } | |
| 136 | |
| 137 // Sets result to true if the child is located in the parent's tree. An | |
| 138 // exhustive search is perform here because we determine equality using | |
| 139 // IAccessible2::get_uniqueID which is only supported by the child node. | |
| 140 void AccessibleContainsAccessible( | |
| 141 IAccessible* parent, IAccessible2* child, bool* result) { | |
| 142 vector<ScopedComPtr<IAccessible>> accessible_list; | |
| 143 accessible_list.push_back(ScopedComPtr<IAccessible>(parent)); | |
| 144 | |
| 145 LONG unique_id; | |
| 146 HRESULT hr = child->get_uniqueID(&unique_id); | |
| 147 ASSERT_EQ(hr, S_OK); | |
| 148 *result = false; | |
| 149 | |
| 150 while (accessible_list.size()) { | |
| 151 ScopedComPtr<IAccessible> accessible = accessible_list.back(); | |
| 152 accessible_list.pop_back(); | |
| 153 | |
| 154 ScopedComPtr<IAccessible2> accessible2; | |
| 155 hr = QueryIAccessible2(accessible, accessible2.Receive()); | |
| 156 if (SUCCEEDED(hr)) { | |
| 157 LONG child_id; | |
| 158 accessible2->get_uniqueID(&child_id); | |
| 159 if (child_id == unique_id) { | |
| 160 *result = true; | |
| 161 break; | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 LONG child_count; | |
| 166 hr = accessible->get_accChildCount(&child_count); | |
| 167 ASSERT_EQ(hr, S_OK); | |
| 168 if (child_count == 0) | |
| 169 continue; | |
| 170 | |
| 171 auto_ptr<VARIANT> child_array(new VARIANT[child_count]); | |
| 172 LONG obtained_count = 0; | |
| 173 hr = AccessibleChildren( | |
| 174 accessible, 0, child_count, child_array.get(), &obtained_count); | |
| 175 ASSERT_EQ(hr, S_OK); | |
| 176 ASSERT_EQ(child_count, obtained_count); | |
| 177 | |
| 178 for (int index = 0; index < obtained_count; index++) { | |
| 179 ScopedComPtr<IAccessible> child_accessible( | |
| 180 GetAccessibleFromResultVariant(accessible, &child_array.get()[index])); | |
| 181 if (child_accessible.get()) | |
| 182 accessible_list.push_back(ScopedComPtr<IAccessible>(child_accessible)); | |
| 183 } | |
| 184 } | |
| 185 } | |
| 186 | |
| 187 // Retrieve the MSAA client accessibility object for the Render Widget Host View | |
| 188 // of the selected tab. | |
| 189 IAccessible* | |
| 190 AccessibilityWinBrowserTest::GetRendererAccessible() { | |
| 191 HWND hwnd_render_widget_host_view = | |
| 192 browser()->GetSelectedTabContents()->GetRenderWidgetHostView()-> | |
| 193 GetNativeView(); | |
| 194 | |
| 195 // By requesting an accessible chrome will believe a screen reader has been | |
| 196 // detected. | |
| 197 IAccessible* accessible; | |
| 198 HRESULT hr = AccessibleObjectFromWindow( | |
| 199 hwnd_render_widget_host_view, OBJID_CLIENT, | |
| 200 IID_IAccessible, reinterpret_cast<void**>(&accessible)); | |
| 201 EXPECT_EQ(S_OK, hr); | |
| 202 EXPECT_NE(accessible, reinterpret_cast<IAccessible*>(NULL)); | |
| 203 | |
| 204 return accessible; | |
| 205 } | |
| 206 | |
| 207 void AccessibilityWinBrowserTest::ExecuteScript(wstring script) { | |
| 208 browser()->GetSelectedTabContents()->render_view_host()-> | |
| 209 ExecuteJavascriptInWebFrame(L"", script); | |
| 210 } | |
| 211 | |
| 212 AccessibleChecker::AccessibleChecker( | |
| 213 wstring expected_name, int32 expected_role, wstring expected_value) : | |
| 214 name_(expected_name), | |
| 215 role_(expected_role), | |
| 216 value_(expected_value), | |
| 217 state_(-1) { | |
| 218 } | |
| 219 | |
| 220 AccessibleChecker::AccessibleChecker( | |
| 221 wstring expected_name, wstring expected_role, wstring expected_value) : | |
| 222 name_(expected_name), | |
| 223 role_(expected_role.c_str()), | |
| 224 value_(expected_value), | |
| 225 state_(-1) { | |
| 226 } | |
| 227 | |
| 228 void AccessibleChecker::AppendExpectedChild( | |
| 229 AccessibleChecker* expected_child) { | |
| 230 children_.push_back(expected_child); | |
| 231 } | |
| 232 | |
| 233 void AccessibleChecker::CheckAccessible(IAccessible* accessible) { | |
| 234 CheckAccessibleName(accessible); | |
| 235 CheckAccessibleRole(accessible); | |
| 236 CheckAccessibleValue(accessible); | |
| 237 CheckAccessibleState(accessible); | |
| 238 CheckAccessibleChildren(accessible); | |
| 239 } | |
| 240 | |
| 241 void AccessibleChecker::SetExpectedValue(wstring expected_value) { | |
| 242 value_ = expected_value; | |
| 243 } | |
| 244 | |
| 245 void AccessibleChecker::SetExpectedState(LONG expected_state) { | |
| 246 state_ = expected_state; | |
| 247 } | |
| 248 | |
| 249 void AccessibleChecker::CheckAccessibleName(IAccessible* accessible) { | |
| 250 CComBSTR name; | |
| 251 HRESULT hr = | |
| 252 accessible->get_accName(CreateI4Variant(CHILDID_SELF), &name); | |
| 253 | |
| 254 if (name_.empty()) { | |
| 255 // If the object doesn't have name S_FALSE should be returned. | |
| 256 EXPECT_EQ(hr, S_FALSE); | |
| 257 } else { | |
| 258 // Test that the correct string was returned. | |
| 259 EXPECT_EQ(hr, S_OK); | |
| 260 EXPECT_STREQ(name_.c_str(), | |
| 261 wstring(name.m_str, SysStringLen(name)).c_str()); | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 void AccessibleChecker::CheckAccessibleRole(IAccessible* accessible) { | |
| 266 VARIANT var_role = {0}; | |
| 267 HRESULT hr = | |
| 268 accessible->get_accRole(CreateI4Variant(CHILDID_SELF), &var_role); | |
| 269 ASSERT_EQ(hr, S_OK); | |
| 270 EXPECT_TRUE(role_ == var_role); | |
| 271 } | |
| 272 | |
| 273 void AccessibleChecker::CheckAccessibleValue(IAccessible* accessible) { | |
| 274 CComBSTR value; | |
| 275 HRESULT hr = | |
| 276 accessible->get_accValue(CreateI4Variant(CHILDID_SELF), &value); | |
| 277 EXPECT_EQ(S_OK, hr); | |
| 278 | |
| 279 // Test that the correct string was returned. | |
| 280 EXPECT_STREQ(value_.c_str(), | |
| 281 wstring(value.m_str, SysStringLen(value)).c_str()); | |
| 282 } | |
| 283 | |
| 284 void AccessibleChecker::CheckAccessibleState(IAccessible* accessible) { | |
| 285 if (state_ < 0) | |
| 286 return; | |
| 287 | |
| 288 VARIANT var_state = {0}; | |
| 289 HRESULT hr = | |
| 290 accessible->get_accState(CreateI4Variant(CHILDID_SELF), &var_state); | |
| 291 EXPECT_EQ(hr, S_OK); | |
| 292 ASSERT_EQ(VT_I4, V_VT(&var_state)); | |
| 293 EXPECT_EQ(state_, V_I4(&var_state)); | |
| 294 } | |
| 295 | |
| 296 void AccessibleChecker::CheckAccessibleChildren(IAccessible* parent) { | |
| 297 LONG child_count = 0; | |
| 298 HRESULT hr = parent->get_accChildCount(&child_count); | |
| 299 EXPECT_EQ(hr, S_OK); | |
| 300 ASSERT_EQ(child_count, children_.size()); | |
| 301 | |
| 302 auto_ptr<VARIANT> child_array(new VARIANT[child_count]); | |
| 303 LONG obtained_count = 0; | |
| 304 hr = AccessibleChildren(parent, 0, child_count, | |
| 305 child_array.get(), &obtained_count); | |
| 306 ASSERT_EQ(hr, S_OK); | |
| 307 ASSERT_EQ(child_count, obtained_count); | |
| 308 | |
| 309 VARIANT* child = child_array.get(); | |
| 310 for (AccessibleCheckerVector::iterator child_checker = children_.begin(); | |
| 311 child_checker != children_.end(); | |
| 312 ++child_checker, ++child) { | |
| 313 ScopedComPtr<IAccessible> child_accessible; | |
| 314 child_accessible.Attach(GetAccessibleFromResultVariant(parent, child)); | |
| 315 ASSERT_TRUE(child_accessible.get()); | |
| 316 (*child_checker)->CheckAccessible(child_accessible); | |
| 317 } | |
| 318 } | |
| 319 | |
| 320 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 321 TestRendererAccessibilityTree) { | |
| 322 // The initial accessible returned should have state STATE_SYSTEM_BUSY while | |
| 323 // the accessibility tree is being requested from the renderer. | |
| 324 AccessibleChecker document1_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 325 document1_checker.SetExpectedState( | |
| 326 STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_FOCUSED | | |
| 327 STATE_SYSTEM_BUSY); | |
| 328 document1_checker.CheckAccessible(GetRendererAccessible()); | |
| 329 | |
| 330 // Wait for the initial accessibility tree to load. Busy state should clear. | |
| 331 ui_test_utils::WaitForNotification( | |
| 332 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 333 document1_checker.SetExpectedState( | |
| 334 STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_FOCUSED); | |
| 335 document1_checker.CheckAccessible(GetRendererAccessible()); | |
| 336 | |
| 337 GURL tree_url( | |
| 338 "data:text/html,<html><head><title>Accessibility Win Test</title></head>" | |
| 339 "<body><input type='button' value='push' /><input type='checkbox' />" | |
| 340 "</body></html>"); | |
| 341 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 342 ui_test_utils::WaitForNotification( | |
| 343 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 344 | |
| 345 // Check the browser's copy of the renderer accessibility tree. | |
| 346 AccessibleChecker button_checker(L"push", ROLE_SYSTEM_PUSHBUTTON, L"push"); | |
| 347 AccessibleChecker checkbox_checker(L"", ROLE_SYSTEM_CHECKBUTTON, L""); | |
| 348 AccessibleChecker body_checker(L"", L"body", L""); | |
| 349 AccessibleChecker document2_checker( | |
| 350 L"Accessibility Win Test", ROLE_SYSTEM_DOCUMENT, L""); | |
| 351 body_checker.AppendExpectedChild(&button_checker); | |
| 352 body_checker.AppendExpectedChild(&checkbox_checker); | |
| 353 document2_checker.AppendExpectedChild(&body_checker); | |
| 354 document2_checker.CheckAccessible(GetRendererAccessible()); | |
| 355 | |
| 356 // Check that document accessible has a parent accessible. | |
| 357 ScopedComPtr<IAccessible> document_accessible(GetRendererAccessible()); | |
| 358 ASSERT_NE(document_accessible.get(), reinterpret_cast<IAccessible*>(NULL)); | |
| 359 ScopedComPtr<IDispatch> parent_dispatch; | |
| 360 HRESULT hr = document_accessible->get_accParent(parent_dispatch.Receive()); | |
| 361 EXPECT_EQ(hr, S_OK); | |
| 362 EXPECT_NE(parent_dispatch, reinterpret_cast<IDispatch*>(NULL)); | |
| 363 | |
| 364 // Navigate to another page. | |
| 365 GURL about_url("about:"); | |
| 366 ui_test_utils::NavigateToURL(browser(), about_url); | |
| 367 | |
| 368 // Verify that the IAccessible reference still points to a valid object and | |
| 369 // that calls to its methods fail since the tree is no longer valid after | |
| 370 // the page navagation. | |
| 371 CComBSTR name; | |
| 372 hr = document_accessible->get_accName(CreateI4Variant(CHILDID_SELF), &name); | |
| 373 ASSERT_EQ(E_FAIL, hr); | |
| 374 } | |
| 375 | |
| 376 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 377 TestNotificationActiveDescendantChanged) { | |
| 378 GURL tree_url("data:text/html,<ul tabindex='-1' role='radiogroup'><li id='li'" | |
| 379 ">li</li></ul>"); | |
| 380 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 381 GetRendererAccessible(); | |
| 382 ui_test_utils::WaitForNotification( | |
| 383 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 384 | |
| 385 // Check the browser's copy of the renderer accessibility tree. | |
| 386 AccessibleChecker list_marker_checker(L"", ROLE_SYSTEM_LISTITEM, L"\x2022"); | |
| 387 AccessibleChecker static_text_checker(L"", ROLE_SYSTEM_TEXT, L"li"); | |
| 388 AccessibleChecker list_item_checker(L"", ROLE_SYSTEM_LISTITEM, L""); | |
| 389 list_item_checker.SetExpectedState( | |
| 390 STATE_SYSTEM_READONLY); | |
| 391 AccessibleChecker radio_group_checker(L"", ROLE_SYSTEM_GROUPING, L""); | |
| 392 radio_group_checker.SetExpectedState( | |
| 393 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY); | |
| 394 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 395 list_item_checker.AppendExpectedChild(&list_marker_checker); | |
| 396 list_item_checker.AppendExpectedChild(&static_text_checker); | |
| 397 radio_group_checker.AppendExpectedChild(&list_item_checker); | |
| 398 document_checker.AppendExpectedChild(&radio_group_checker); | |
| 399 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 400 | |
| 401 // Set focus to the radio group. | |
| 402 ExecuteScript(L"document.body.children[0].focus()"); | |
| 403 ui_test_utils::WaitForNotification( | |
| 404 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 405 | |
| 406 // Check that the accessibility tree of the browser has been updated. | |
| 407 radio_group_checker.SetExpectedState( | |
| 408 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSED); | |
| 409 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 410 | |
| 411 // Set the active descendant of the radio group | |
| 412 ExecuteScript( | |
| 413 L"document.body.children[0].setAttribute('aria-activedescendant', 'li')"); | |
| 414 ui_test_utils::WaitForNotification( | |
| 415 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 416 | |
| 417 // Check that the accessibility tree of the browser has been updated. | |
| 418 list_item_checker.SetExpectedState( | |
| 419 STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSED); | |
| 420 radio_group_checker.SetExpectedState( | |
| 421 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY); | |
| 422 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 423 } | |
| 424 | |
| 425 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 426 TestNotificationCheckedStateChanged) { | |
| 427 GURL tree_url("data:text/html,<body><input type='checkbox' /></body>"); | |
| 428 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 429 GetRendererAccessible(); | |
| 430 ui_test_utils::WaitForNotification( | |
| 431 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 432 | |
| 433 // Check the browser's copy of the renderer accessibility tree. | |
| 434 AccessibleChecker checkbox_checker(L"", ROLE_SYSTEM_CHECKBUTTON, L""); | |
| 435 checkbox_checker.SetExpectedState( | |
| 436 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY); | |
| 437 AccessibleChecker body_checker(L"", L"body", L""); | |
| 438 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 439 body_checker.AppendExpectedChild(&checkbox_checker); | |
| 440 document_checker.AppendExpectedChild(&body_checker); | |
| 441 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 442 | |
| 443 // Check the checkbox. | |
| 444 ExecuteScript(L"document.body.children[0].checked=true"); | |
| 445 ui_test_utils::WaitForNotification( | |
| 446 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 447 | |
| 448 // Check that the accessibility tree of the browser has been updated. | |
| 449 checkbox_checker.SetExpectedState( | |
| 450 STATE_SYSTEM_CHECKED | STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY); | |
| 451 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 452 } | |
| 453 | |
| 454 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 455 TestNotificationChildrenChanged) { | |
| 456 // The role attribute causes the node to be in the accessibility tree. | |
| 457 GURL tree_url( | |
| 458 "data:text/html,<body role=group></body>"); | |
| 459 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 460 GetRendererAccessible(); | |
| 461 ui_test_utils::WaitForNotification( | |
| 462 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 463 | |
| 464 // Check the browser's copy of the renderer accessibility tree. | |
| 465 AccessibleChecker body_checker(L"", L"body", L""); | |
| 466 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 467 document_checker.AppendExpectedChild(&body_checker); | |
| 468 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 469 | |
| 470 // Change the children of the document body. | |
| 471 ExecuteScript(L"document.body.innerHTML='<b>new text</b>'"); | |
| 472 ui_test_utils::WaitForNotification( | |
| 473 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 474 | |
| 475 // Check that the accessibility tree of the browser has been updated. | |
| 476 AccessibleChecker text_checker(L"", ROLE_SYSTEM_TEXT, L"new text"); | |
| 477 body_checker.AppendExpectedChild(&text_checker); | |
| 478 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 479 } | |
| 480 | |
| 481 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 482 TestNotificationFocusChanged) { | |
| 483 // The role attribute causes the node to be in the accessibility tree. | |
| 484 GURL tree_url( | |
| 485 "data:text/html,<div role=group tabindex='-1'></div>"); | |
| 486 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 487 GetRendererAccessible(); | |
| 488 ui_test_utils::WaitForNotification( | |
| 489 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 490 | |
| 491 // Check the browser's copy of the renderer accessibility tree. | |
| 492 AccessibleChecker div_checker(L"", L"div", L""); | |
| 493 div_checker.SetExpectedState( | |
| 494 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_OFFSCREEN | STATE_SYSTEM_READONLY); | |
| 495 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 496 document_checker.AppendExpectedChild(&div_checker); | |
| 497 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 498 | |
| 499 // Focus the div in the document | |
| 500 ExecuteScript(L"document.body.children[0].focus()"); | |
| 501 ui_test_utils::WaitForNotification( | |
| 502 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 503 | |
| 504 // Check that the accessibility tree of the browser has been updated. | |
| 505 div_checker.SetExpectedState( | |
| 506 STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSED); | |
| 507 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 508 | |
| 509 // TODO(ctguil): The renderer should notify the browser when focus is cleared. | |
| 510 // Uncomment code below when fixed. | |
| 511 // Focus the document accessible. This will un-focus the current node. | |
| 512 // http://crbug.com/57045 | |
| 513 ScopedComPtr<IAccessible> document_accessible(GetRendererAccessible()); | |
| 514 ASSERT_NE(document_accessible.get(), reinterpret_cast<IAccessible*>(NULL)); | |
| 515 HRESULT hr = document_accessible->accSelect( | |
| 516 SELFLAG_TAKEFOCUS, CreateI4Variant(CHILDID_SELF)); | |
| 517 ASSERT_EQ(hr, S_OK); | |
| 518 // ui_test_utils::WaitForNotification( | |
| 519 // NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 520 | |
| 521 // Check that the accessibility tree of the browser has been updated. | |
| 522 // div_checker.SetExpectedState( | |
| 523 // STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_READONLY); | |
| 524 // document_checker.CheckAccessible(GetRendererAccessible()); | |
| 525 } | |
| 526 | |
| 527 // http://crbug.com/46209 | |
| 528 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 529 DISABLED_TestNotificationChildrenChanged2) { | |
| 530 // The role attribute causes the node to be in the accessibility tree. | |
| 531 GURL tree_url( | |
| 532 "data:text/html,<div role=group style='visibility: hidden'>text" | |
| 533 "</div>"); | |
| 534 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 535 GetRendererAccessible(); | |
| 536 ui_test_utils::WaitForNotification( | |
| 537 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 538 | |
| 539 // Check the accessible tree of the browser. | |
| 540 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 541 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 542 | |
| 543 // Change the children of the document body. | |
| 544 ExecuteScript(L"document.body.children[0].style.visibility='visible'"); | |
| 545 ui_test_utils::WaitForNotification( | |
| 546 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 547 | |
| 548 // Check that the accessibility tree of the browser has been updated. | |
| 549 AccessibleChecker static_text_checker(L"", ROLE_SYSTEM_TEXT, L"text"); | |
| 550 AccessibleChecker div_checker(L"", L"div", L""); | |
| 551 document_checker.AppendExpectedChild(&div_checker); | |
| 552 div_checker.AppendExpectedChild(&static_text_checker); | |
| 553 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 554 } | |
| 555 | |
| 556 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 557 TestNotificationValueChanged) { | |
| 558 GURL tree_url("data:text/html,<body><input type='text' value='old value'/>" | |
| 559 "</body>"); | |
| 560 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 561 GetRendererAccessible(); | |
| 562 ui_test_utils::WaitForNotification( | |
| 563 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 564 | |
| 565 // Check the browser's copy of the renderer accessibility tree. | |
| 566 AccessibleChecker static_text_checker(L"", ROLE_SYSTEM_TEXT, L"old value"); | |
| 567 AccessibleChecker text_field_div_checker(L"", L"div", L""); | |
| 568 AccessibleChecker text_field_checker(L"", ROLE_SYSTEM_TEXT, L"old value"); | |
| 569 text_field_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE); | |
| 570 AccessibleChecker body_checker(L"", L"body", L""); | |
| 571 AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L""); | |
| 572 text_field_div_checker.AppendExpectedChild(&static_text_checker); | |
| 573 text_field_checker.AppendExpectedChild(&text_field_div_checker); | |
| 574 body_checker.AppendExpectedChild(&text_field_checker); | |
| 575 document_checker.AppendExpectedChild(&body_checker); | |
| 576 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 577 | |
| 578 // Set the value of the text control | |
| 579 ExecuteScript(L"document.body.children[0].value='new value'"); | |
| 580 ui_test_utils::WaitForNotification( | |
| 581 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 582 | |
| 583 // Check that the accessibility tree of the browser has been updated. | |
| 584 text_field_checker.SetExpectedValue(L"new value"); | |
| 585 static_text_checker.SetExpectedValue(L"new value"); | |
| 586 document_checker.CheckAccessible(GetRendererAccessible()); | |
| 587 } | |
| 588 | |
| 589 // FAILS crbug.com/54220 | |
| 590 // This test verifies that browser-side cache of the renderer accessibility | |
| 591 // tree is reachable from the browser's tree. Tools that analyze windows | |
| 592 // accessibility trees like AccExplorer32 should be able to drill into the | |
| 593 // cached renderer accessibility tree. | |
| 594 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, | |
| 595 DISABLED_ContainsRendererAccessibilityTree) { | |
| 596 GURL tree_url("data:text/html,<body><input type='checkbox' /></body>"); | |
| 597 browser()->OpenURL(tree_url, GURL(), CURRENT_TAB, PageTransition::TYPED); | |
| 598 GetRendererAccessible(); | |
| 599 ui_test_utils::WaitForNotification( | |
| 600 NotificationType::RENDER_VIEW_HOST_ACCESSIBILITY_TREE_UPDATED); | |
| 601 | |
| 602 // Get the accessibility object for the browser window. | |
| 603 HWND browser_hwnd = browser()->window()->GetNativeHandle(); | |
| 604 ScopedComPtr<IAccessible> browser_accessible; | |
| 605 HRESULT hr = AccessibleObjectFromWindow( | |
| 606 browser_hwnd, | |
| 607 OBJID_WINDOW, | |
| 608 IID_IAccessible, | |
| 609 reinterpret_cast<void**>(browser_accessible.Receive())); | |
| 610 ASSERT_EQ(S_OK, hr); | |
| 611 | |
| 612 // Get the accessibility object for the renderer client document. | |
| 613 ScopedComPtr<IAccessible> document_accessible(GetRendererAccessible()); | |
| 614 ASSERT_NE(document_accessible.get(), reinterpret_cast<IAccessible*>(NULL)); | |
| 615 ScopedComPtr<IAccessible2> document_accessible2; | |
| 616 hr = QueryIAccessible2(document_accessible, document_accessible2.Receive()); | |
| 617 ASSERT_EQ(S_OK, hr); | |
| 618 | |
| 619 // TODO(ctguil): Pointer comparison of retrieved IAccessible pointers dosen't | |
| 620 // seem to work for here. Perhaps make IAccessible2 available in views to make | |
| 621 // unique id comparison available. | |
| 622 bool found = false; | |
| 623 ScopedComPtr<IAccessible> parent = document_accessible; | |
| 624 while (parent.get()) { | |
| 625 ScopedComPtr<IDispatch> parent_dispatch; | |
| 626 hr = parent->get_accParent(parent_dispatch.Receive()); | |
| 627 ASSERT_TRUE(SUCCEEDED(hr)); | |
| 628 if (!parent_dispatch.get()) { | |
| 629 ASSERT_EQ(hr, S_FALSE); | |
| 630 break; | |
| 631 } | |
| 632 | |
| 633 parent.Release(); | |
| 634 hr = parent_dispatch.QueryInterface(parent.Receive()); | |
| 635 ASSERT_EQ(S_OK, hr); | |
| 636 | |
| 637 if (parent.get() == browser_accessible.get()) { | |
| 638 found = true; | |
| 639 break; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 // If pointer comparison fails resort to the exhuasive search that can use | |
| 644 // IAccessible2::get_uniqueID for equality comparison. | |
| 645 if (!found) { | |
| 646 AccessibleContainsAccessible( | |
| 647 browser_accessible, document_accessible2, &found); | |
| 648 } | |
| 649 | |
| 650 ASSERT_EQ(found, true); | |
| 651 } | |
| 652 } // namespace. | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 3591003:
Make BrowserAccessibilityManager cross platform. Step 1.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/