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// Copyright 2013 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/test/accessibility_browser_test_utils.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/port/browser/render_widget_host_view_port.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/test_utils.h"
#include "content/shell/shell.h"
namespace content {
AccessibilityNotificationWaiter::AccessibilityNotificationWaiter(
Shell* shell,
AccessibilityMode accessibility_mode,
AccessibilityNotification notification)
: shell_(shell),
notification_to_wait_for_(notification),
loop_runner_(new MessageLoopRunner()),
weak_factory_(this) {
WebContents* web_contents = shell_->web_contents();
view_host_ = static_cast<RenderViewHostImpl*>(
web_contents->GetRenderViewHost());
view_host_->SetAccessibilityCallbackForTesting(
base::Bind(&AccessibilityNotificationWaiter::OnAccessibilityNotification,
weak_factory_.GetWeakPtr()));
view_host_->SetAccessibilityMode(accessibility_mode);
}
AccessibilityNotificationWaiter::~AccessibilityNotificationWaiter() {
}
void AccessibilityNotificationWaiter::WaitForNotification() {
loop_runner_->Run();
}
const AccessibilityNodeDataTreeNode&
AccessibilityNotificationWaiter::GetAccessibilityNodeDataTree() const {
return view_host_->accessibility_tree_for_testing();
}
void AccessibilityNotificationWaiter::OnAccessibilityNotification(
AccessibilityNotification notification) {
if (!IsAboutBlank() && notification_to_wait_for_ == notification)
loop_runner_->Quit();
}
bool AccessibilityNotificationWaiter::IsAboutBlank() {
// Skip any accessibility notifications related to "about:blank",
// to avoid a possible race condition between the test beginning
// listening for accessibility events and "about:blank" loading.
const AccessibilityNodeDataTreeNode& root = GetAccessibilityNodeDataTree();
typedef AccessibilityNodeData::StringAttribute StringAttribute;
std::map<StringAttribute, string16>::const_iterator iter;
iter = root.string_attributes.find(AccessibilityNodeData::ATTR_DOC_URL);
if (iter != root.string_attributes.end()) {
string16 doc_url = iter->second;
if (doc_url == ASCIIToUTF16(kAboutBlankURL))
return true;
}
return false;
}
} // namespace content
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