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// 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.
#ifndef CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_
#define CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_
#include <string>
#include <vector>
#include "base/macros.h"
#include "content/common/content_export.h"
namespace content {
class BrowserAccessibilityManager;
// Listens for native accessibility events fired by a given
// BrowserAccessibilityManager and saves human-readable log strings for
// each event fired to a vector. Construct an instance of this class to
// begin listening, call GetEventLogs() to get all of the logs so far, and
// destroy it to stop listening.
//
// A log string should be of the form "<event> on <node>" where <event> is
// the name of the event fired (platform-specific) and <node> is information
// about the accessibility node on which the event was fired, for example its
// role and name.
//
// The implementation is highly platform-specific; a subclass is needed for
// each platform does most of the work.
class AccessibilityEventRecorder {
public:
// Construct the right platform-specific subclass.
static AccessibilityEventRecorder* Create(
BrowserAccessibilityManager* manager);
virtual ~AccessibilityEventRecorder();
// Access the vector of human-readable event logs, one string per event.
const std::vector<std::string>& event_logs() { return event_logs_; }
protected:
explicit AccessibilityEventRecorder(BrowserAccessibilityManager* manager);
BrowserAccessibilityManager* manager_;
std::vector<std::string> event_logs_;
DISALLOW_COPY_AND_ASSIGN(AccessibilityEventRecorder);
};
} // namespace content
#endif // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_
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