// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "content/browser/accessibility/browser_accessibility.h" #include "content/browser/accessibility/browser_accessibility_state_impl.h" #include "content/browser/renderer_host/render_view_host_impl.h" #include "content/browser/renderer_host/render_widget_host_impl.h" #include "content/browser/renderer_host/render_widget_host_view_base.h" #include "content/browser/web_contents/web_contents_impl.h" #include "content/public/browser/render_view_host.h" #include "content/public/browser/render_widget_host.h" #include "content/public/browser/render_widget_host_view.h" #include "content/public/browser/web_contents.h" #include "content/public/common/url_constants.h" #include "content/public/test/content_browser_test.h" #include "content/public/test/content_browser_test_utils.h" #include "content/shell/browser/shell.h" #include "content/test/accessibility_browser_test_utils.h" #include "testing/gtest/include/gtest/gtest.h" #include "ui/accessibility/ax_modes.h" namespace content { const char kMinimalPageDataURL[] = "data:text/html,Hello, world"; class AccessibilityModeTest : public ContentBrowserTest { protected: WebContentsImpl* web_contents() { return static_cast(shell()->web_contents()); } protected: const BrowserAccessibility* FindNode(ax::mojom::Role role, const std::string& name) { const BrowserAccessibility* root = GetManager()->GetRoot(); CHECK(root); return FindNodeInSubtree(*root, role, name); } BrowserAccessibilityManager* GetManager() { WebContentsImpl* web_contents = static_cast(shell()->web_contents()); return web_contents->GetRootBrowserAccessibilityManager(); } private: const BrowserAccessibility* FindNodeInSubtree( const BrowserAccessibility& node, ax::mojom::Role role, const std::string& name) { if (node.GetRole() == role && node.GetStringAttribute(ax::mojom::StringAttribute::kName) == name) return &node; for (unsigned int i = 0; i < node.PlatformChildCount(); ++i) { const BrowserAccessibility* result = FindNodeInSubtree( *node.PlatformGetChild(i), role, name); if (result) return result; } return nullptr; } }; IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeOff) { NavigateToURL(shell(), GURL(kMinimalPageDataURL)); EXPECT_TRUE(web_contents()->GetAccessibilityMode().is_mode_off()); EXPECT_EQ(nullptr, GetManager()); } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeComplete) { NavigateToURL(shell(), GURL(kMinimalPageDataURL)); ASSERT_TRUE(web_contents()->GetAccessibilityMode().is_mode_off()); AccessibilityNotificationWaiter waiter(shell()->web_contents()); web_contents()->AddAccessibilityMode(ui::kAXModeComplete); EXPECT_TRUE(web_contents()->GetAccessibilityMode() == ui::kAXModeComplete); waiter.WaitForNotification(); EXPECT_NE(nullptr, GetManager()); } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AccessibilityModeWebContentsOnly) { NavigateToURL(shell(), GURL(kMinimalPageDataURL)); ASSERT_TRUE(web_contents()->GetAccessibilityMode().is_mode_off()); AccessibilityNotificationWaiter waiter(shell()->web_contents()); web_contents()->AddAccessibilityMode(ui::kAXModeWebContentsOnly); EXPECT_TRUE(web_contents()->GetAccessibilityMode() == ui::kAXModeWebContentsOnly); waiter.WaitForNotification(); // No BrowserAccessibilityManager expected for this mode. EXPECT_EQ(nullptr, GetManager()); } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AddingModes) { NavigateToURL(shell(), GURL(kMinimalPageDataURL)); AccessibilityNotificationWaiter waiter(shell()->web_contents()); web_contents()->AddAccessibilityMode(ui::kAXModeWebContentsOnly); EXPECT_TRUE(web_contents()->GetAccessibilityMode() == ui::kAXModeWebContentsOnly); waiter.WaitForNotification(); EXPECT_EQ(nullptr, GetManager()); AccessibilityNotificationWaiter waiter2(shell()->web_contents()); web_contents()->AddAccessibilityMode(ui::kAXModeComplete); EXPECT_TRUE(web_contents()->GetAccessibilityMode() == ui::kAXModeComplete); waiter2.WaitForNotification(); EXPECT_NE(nullptr, GetManager()); } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, FullAccessibilityHasInlineTextBoxes) { // TODO(dmazzoni): On Android we use an ifdef to disable inline text boxes, // we should do it with accessibility flags instead. http://crbug.com/672205 #if !defined(OS_ANDROID) NavigateToURL(shell(), GURL(url::kAboutBlankURL)); AccessibilityNotificationWaiter waiter(shell()->web_contents(), ui::kAXModeComplete, ax::mojom::Event::kLoadComplete); GURL url("data:text/html,

Para

"); NavigateToURL(shell(), url); waiter.WaitForNotification(); const BrowserAccessibility* text = FindNode(ax::mojom::Role::kStaticText, "Para"); ASSERT_NE(nullptr, text); ASSERT_EQ(1U, text->InternalChildCount()); BrowserAccessibility* inline_text = text->InternalGetChild(0); ASSERT_NE(nullptr, inline_text); EXPECT_EQ(ax::mojom::Role::kInlineTextBox, inline_text->GetRole()); #endif // !defined(OS_ANDROID) } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, MinimalAccessibilityModeHasNoInlineTextBoxes) { // TODO(dmazzoni): On Android we use an ifdef to disable inline text boxes, // we should do it with accessibility flags instead. http://crbug.com/672205 #if !defined(OS_ANDROID) NavigateToURL(shell(), GURL(url::kAboutBlankURL)); AccessibilityNotificationWaiter waiter( shell()->web_contents(), ui::AXMode::kNativeAPIs | ui::AXMode::kWebContents, ax::mojom::Event::kLoadComplete); GURL url("data:text/html,

Para

"); NavigateToURL(shell(), url); waiter.WaitForNotification(); const BrowserAccessibility* text = FindNode(ax::mojom::Role::kStaticText, "Para"); ASSERT_NE(nullptr, text); EXPECT_EQ(0U, text->InternalChildCount()); #endif // !defined(OS_ANDROID) } IN_PROC_BROWSER_TEST_F(AccessibilityModeTest, AddScreenReaderModeFlag) { NavigateToURL(shell(), GURL(url::kAboutBlankURL)); AccessibilityNotificationWaiter waiter( shell()->web_contents(), ui::AXMode::kNativeAPIs | ui::AXMode::kWebContents, ax::mojom::Event::kLoadComplete); GURL url("data:text/html,"); NavigateToURL(shell(), url); waiter.WaitForNotification(); const BrowserAccessibility* textbox = FindNode(ax::mojom::Role::kTextField, "Foo"); ASSERT_NE(nullptr, textbox); EXPECT_FALSE( textbox->HasStringAttribute(ax::mojom::StringAttribute::kPlaceholder)); int original_id = textbox->GetId(); AccessibilityNotificationWaiter waiter2(shell()->web_contents(), ui::AXMode(), ax::mojom::Event::kLoadComplete); BrowserAccessibilityStateImpl::GetInstance()->AddAccessibilityModeFlags( ui::AXMode::kScreenReader); waiter2.WaitForNotification(); const BrowserAccessibility* textbox2 = FindNode(ax::mojom::Role::kTextField, "Foo"); ASSERT_NE(nullptr, textbox2); EXPECT_TRUE( textbox2->HasStringAttribute(ax::mojom::StringAttribute::kPlaceholder)); EXPECT_EQ(original_id, textbox2->GetId()); } } // namespace content