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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/macros.h" | 5 #include "base/macros.h" |
| 6 #include "base/strings/utf_string_conversions.h" | 6 #include "base/strings/utf_string_conversions.h" |
| 7 #include "base/time/time.h" | 7 #include "base/time/time.h" |
| 8 #include "build/build_config.h" | 8 #include "build/build_config.h" |
| 9 #include "content/common/accessibility_messages.h" | 9 #include "content/common/accessibility_messages.h" |
| 10 #include "content/common/frame_messages.h" | 10 #include "content/common/frame_messages.h" |
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| 396 AccessibilityHostMsg_EventParams event; | 396 AccessibilityHostMsg_EventParams event; |
| 397 GetLastAccEvent(&event); | 397 GetLastAccEvent(&event); |
| 398 ASSERT_EQ(5U, event.update.nodes.size()); | 398 ASSERT_EQ(5U, event.update.nodes.size()); |
| 399 | 399 |
| 400 EXPECT_EQ(body.axID(), event.update.nodes[0].id); | 400 EXPECT_EQ(body.axID(), event.update.nodes[0].id); |
| 401 EXPECT_EQ(text_1.axID(), event.update.nodes[1].id); | 401 EXPECT_EQ(text_1.axID(), event.update.nodes[1].id); |
| 402 // The third event is to update text_2, but its id changes | 402 // The third event is to update text_2, but its id changes |
| 403 // so we don't have a test expectation for it. | 403 // so we don't have a test expectation for it. |
| 404 } | 404 } |
| 405 | 405 |
| 406 TEST_F(RendererAccessibilityTest, EventOnDetachedNodeTriggersMainFrameLayout) { | |
| 407 std::string html = | |
| 408 "<body>" | |
| 409 " <iframe srcdoc='<input>'></iframe>" | |
| 410 " <button>Button</button>" | |
| 411 "</body>"; | |
| 412 LoadHTML(html.c_str()); | |
| 413 | |
| 414 scoped_ptr<TestRendererAccessibility> accessibility( | |
| 415 new TestRendererAccessibility(frame())); | |
| 416 accessibility->SendPendingAccessibilityEvents(); | |
| 417 | |
| 418 WebDocument document = view()->GetWebView()->mainFrame()->document(); | |
| 419 WebAXObject root_obj = document.accessibilityObject(); | |
| 420 ASSERT_EQ(blink::WebAXRoleWebArea, root_obj.role()); | |
| 421 WebAXObject group = root_obj.childAt(0); | |
| 422 ASSERT_EQ(blink::WebAXRoleGroup, group.role()); | |
| 423 WebAXObject iframe = group.childAt(0); | |
| 424 ASSERT_EQ(blink::WebAXRoleIframe, iframe.role()); | |
| 425 WebAXObject child_doc = iframe.childAt(0); | |
| 426 ASSERT_EQ(blink::WebAXRoleWebArea, child_doc.role()); | |
| 427 WebAXObject child_group = child_doc.childAt(0); | |
| 428 ASSERT_EQ(blink::WebAXRoleGroup, child_group.role()); | |
| 429 WebAXObject child_textfield = child_group.childAt(0); | |
| 430 ASSERT_EQ(blink::WebAXRoleTextField, child_textfield.role()); | |
| 431 | |
| 432 // Hide the input element inside the iframe. | |
| 433 ExecuteJavaScriptForTests( | |
| 434 "document.querySelector('iframe').contentDocument" | |
| 435 ".querySelector('input').style.display = 'none';"); | |
| 436 accessibility->HandleAXEvent( | |
| 437 child_textfield, | |
| 438 ui::AX_EVENT_LAYOUT_COMPLETE); | |
| 439 accessibility->SendPendingAccessibilityEvents(); | |
| 440 | |
| 441 // Make sure |child_textfield| is invalid now. | |
| 442 ASSERT_TRUE(child_textfield.isDetached()); | |
| 443 | |
| 444 // Now do a random style change in the iframe to make its layout not clean. | |
| 445 ExecuteJavaScriptForTests( | |
| 446 "var doc = document.querySelector('iframe').contentDocument; " | |
| 447 "doc.body.style.backgroundColor = '#f00';"); | |
| 448 | |
| 449 // Now try to handle a "layout complete" event on the detached textfield | |
| 450 // object. The event handling will be a no-op, but the layout complete | |
| 451 // will trigger calling SendLocationChanges. Make sure that | |
| 452 // SendLocationChanges doesn't depend on layout in the main frame being | |
| 453 // clean. | |
| 454 // | |
| 455 // If this doesn't crash, the test passes. | |
| 456 accessibility->HandleAXEvent(child_textfield, | |
| 457 ui::AX_EVENT_LAYOUT_COMPLETE); | |
| 458 accessibility->SendPendingAccessibilityEvents(); | |
| 459 } | |
| 460 | |
| 461 } // namespace content | 406 } // namespace content |
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Chromium Code Reviews
Issue 1761633002:
One accessibility tree per frame. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master