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renderer_accessibility_browsertest.cc
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// Copyright (c) 2012 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/utf_string_conversions.h"
#include "content/common/accessibility_messages.h"
#include "content/common/accessibility_node_data.h"
#include "content/common/view_messages.h"
#include "content/renderer/render_view_impl.h"
#include "content/public/test/render_view_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSize.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
namespace content {
class RendererAccessibilityTest : public RenderViewTest {
public:
RendererAccessibilityTest() {}
RenderViewImpl* view() {
return static_cast<RenderViewImpl*>(view_);
}
virtual void SetUp() {
RenderViewTest::SetUp();
sink_ = &render_thread_->sink();
}
void SetMode(AccessibilityMode mode) {
view()->OnSetAccessibilityMode(mode);
}
void GetLastAccNotification(
AccessibilityHostMsg_NotificationParams* params) {
const IPC::Message* message =
sink_->GetUniqueMessageMatching(AccessibilityHostMsg_Notifications::ID);
ASSERT_TRUE(message);
Tuple1<std::vector<AccessibilityHostMsg_NotificationParams> > param;
AccessibilityHostMsg_Notifications::Read(message, ¶m);
ASSERT_EQ(param.a.size(), 1U);
*params = param.a[0];
}
protected:
IPC::TestSink* sink_;
DISALLOW_COPY_AND_ASSIGN(RendererAccessibilityTest);
};
TEST_F(RendererAccessibilityTest, EditableTextModeFocusNotifications) {
SetMode(AccessibilityModeEditableTextOnly);
// Set a minimum size and give focus so simulated events work.
view()->webwidget()->resize(WebKit::WebSize(500, 500));
view()->webwidget()->setFocus(true);
std::string html =
"<body>"
" <input>"
" <textarea></textarea>"
" <p contentEditable>Editable</p>"
" <div tabindex=0 role=textbox>Textbox</div>"
" <button>Button</button>"
" <a href=#>Link</a>"
"</body>";
// Load the test page.
LoadHTML(html.c_str());
// We should have sent a message to the browser with the initial focus
// on the document.
{
SCOPED_TRACE("Initial focus on document");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.notification_type,
AccessibilityNotificationLayoutComplete);
EXPECT_EQ(notification.includes_children, true);
EXPECT_EQ(notification.id, 1);
EXPECT_EQ(notification.acc_tree.id, 1);
EXPECT_EQ(notification.acc_tree.role,
AccessibilityNodeData::ROLE_ROOT_WEB_AREA);
EXPECT_EQ(notification.acc_tree.state,
(1U << AccessibilityNodeData::STATE_READONLY) |
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED));
EXPECT_EQ(notification.acc_tree.children.size(), 1U);
}
// Now focus the input element, and check everything again.
{
SCOPED_TRACE("input");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('input').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.notification_type,
AccessibilityNotificationFocusChanged);
EXPECT_EQ(notification.includes_children, true);
EXPECT_EQ(notification.id, 3);
EXPECT_EQ(notification.acc_tree.id, 1);
EXPECT_EQ(notification.acc_tree.role,
AccessibilityNodeData::ROLE_ROOT_WEB_AREA);
EXPECT_EQ(notification.acc_tree.state,
(1U << AccessibilityNodeData::STATE_READONLY) |
(1U << AccessibilityNodeData::STATE_FOCUSABLE));
EXPECT_EQ(notification.acc_tree.children.size(), 1U);
EXPECT_EQ(notification.acc_tree.children[0].id, 3);
EXPECT_EQ(notification.acc_tree.children[0].role,
AccessibilityNodeData::ROLE_GROUP);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED));
}
// Check other editable text nodes.
{
SCOPED_TRACE("textarea");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('textarea').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 4);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED));
}
{
SCOPED_TRACE("contentEditable");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('p').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 5);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED));
}
{
SCOPED_TRACE("role=textarea");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('div').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 6);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED));
}
// Try focusing things that aren't editable text.
{
SCOPED_TRACE("button");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('button').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 7);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED) |
(1U << AccessibilityNodeData::STATE_READONLY));
}
{
SCOPED_TRACE("link");
sink_->ClearMessages();
ExecuteJavaScript("document.querySelector('a').focus();");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 8);
EXPECT_EQ(notification.acc_tree.children[0].state,
(1U << AccessibilityNodeData::STATE_FOCUSABLE) |
(1U << AccessibilityNodeData::STATE_FOCUSED) |
(1U << AccessibilityNodeData::STATE_READONLY));
}
// Clear focus.
{
SCOPED_TRACE("Back to document.");
sink_->ClearMessages();
ExecuteJavaScript("document.activeElement.blur()");
AccessibilityHostMsg_NotificationParams notification;
GetLastAccNotification(¬ification);
EXPECT_EQ(notification.id, 1);
}
}
} // namespace content