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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 "content/renderer/renderer_accessibility.h"
#include "base/command_line.h"
#include "content/public/common/content_switches.h"
#include "content/renderer/render_view_impl.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityObject.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
using WebKit::WebAccessibilityNotification;
using WebKit::WebAccessibilityObject;
using WebKit::WebDocument;
using WebKit::WebFrame;
using WebKit::WebView;
namespace content {
RendererAccessibility::RendererAccessibility(
RenderViewImpl* render_view)
: RenderViewObserver(render_view),
render_view_(render_view),
logging_(false) {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kEnableAccessibilityLogging))
logging_ = true;
}
RendererAccessibility::~RendererAccessibility() {
}
WebDocument RendererAccessibility::GetMainDocument() {
WebView* view = render_view()->GetWebView();
WebFrame* main_frame = view ? view->mainFrame() : NULL;
if (main_frame)
return main_frame->document();
return WebDocument();
}
#ifndef NDEBUG
const std::string RendererAccessibility::AccessibilityNotificationToString(
AccessibilityNotification notification) {
switch (notification) {
case AccessibilityNotificationActiveDescendantChanged:
return "active descendant changed";
case AccessibilityNotificationBlur:
return "blur";
case AccessibilityNotificationAlert:
return "alert";
case AccessibilityNotificationCheckStateChanged:
return "check state changed";
case AccessibilityNotificationChildrenChanged:
return "children changed";
case AccessibilityNotificationFocusChanged:
return "focus changed";
case AccessibilityNotificationLayoutComplete:
return "layout complete";
case AccessibilityNotificationLiveRegionChanged:
return "live region changed";
case AccessibilityNotificationLoadComplete:
return "load complete";
case AccessibilityNotificationMenuListValueChanged:
return "menu list changed";
case AccessibilityNotificationObjectShow:
return "object show";
case AccessibilityNotificationObjectHide:
return "object hide";
case AccessibilityNotificationRowCountChanged:
return "row count changed";
case AccessibilityNotificationRowCollapsed:
return "row collapsed";
case AccessibilityNotificationRowExpanded:
return "row expanded";
case AccessibilityNotificationScrolledToAnchor:
return "scrolled to anchor";
case AccessibilityNotificationSelectedChildrenChanged:
return "selected children changed";
case AccessibilityNotificationSelectedTextChanged:
return "selected text changed";
case AccessibilityNotificationTextInserted:
return "text inserted";
case AccessibilityNotificationTextRemoved:
return "text removed";
case AccessibilityNotificationValueChanged:
return "value changed";
default:
NOTREACHED();
}
return "";
}
#endif
} // namespace content
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