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// Copyright 2018 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 "base/check.h"
#include "content/browser/accessibility/browser_accessibility.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/accessibility_notification_waiter.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "net/base/data_url.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace content {
namespace {
class AccessibilityObjectModelBrowserTest : public ContentBrowserTest {
public:
AccessibilityObjectModelBrowserTest() {}
~AccessibilityObjectModelBrowserTest() override {}
void SetUpCommandLine(base::CommandLine* command_line) override {
ContentBrowserTest::SetUpCommandLine(command_line);
base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
switches::kEnableBlinkFeatures, "AccessibilityObjectModel");
}
protected:
BrowserAccessibility* FindNode(ax::mojom::Role role,
const std::string& name) {
BrowserAccessibility* root = GetManager()->GetRoot();
CHECK(root);
return FindNodeInSubtree(*root, role, name);
}
BrowserAccessibilityManager* GetManager() {
WebContentsImpl* web_contents =
static_cast<WebContentsImpl*>(shell()->web_contents());
return web_contents->GetRootBrowserAccessibilityManager();
}
private:
BrowserAccessibility* FindNodeInSubtree(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) {
BrowserAccessibility* result =
FindNodeInSubtree(*node.PlatformGetChild(i), role, name);
if (result)
return result;
}
return nullptr;
}
};
} // namespace
IN_PROC_BROWSER_TEST_F(AccessibilityObjectModelBrowserTest,
EventListenerOnVirtualNode) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_TRUE(NavigateToURL(shell(), GURL(url::kAboutBlankURL)));
AccessibilityNotificationWaiter waiter(shell()->web_contents(),
ui::kAXModeComplete,
ax::mojom::Event::kLoadComplete);
GURL url(embedded_test_server()->GetURL(
"/accessibility/aom/event-listener-on-virtual-node.html"));
EXPECT_TRUE(NavigateToURL(shell(), url));
waiter.WaitForNotification();
BrowserAccessibility* button = FindNode(ax::mojom::Role::kButton, "FocusMe");
ASSERT_NE(nullptr, button);
BrowserAccessibility* link = FindNode(ax::mojom::Role::kLink, "ClickMe");
ASSERT_NE(nullptr, link);
AccessibilityNotificationWaiter waiter2(
shell()->web_contents(), ui::kAXModeComplete, ax::mojom::Event::kFocus);
GetManager()->DoDefaultAction(*link);
waiter2.WaitForNotification();
BrowserAccessibility* focus = GetManager()->GetFocus();
ASSERT_NE(nullptr, focus);
EXPECT_EQ(button->GetId(), focus->GetId());
}
} // namespace content
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