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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.
#ifndef CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_
#define CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_
#include "base/file_path.h"
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "content/browser/accessibility/browser_accessibility.h"
// A utility class for retrieving platform specific accessibility information.
// This is extended by a subclass for each platform where accessibility is
// implemented.
class DumpAccessibilityTreeHelper {
public:
// Dumps a BrowserAccessibility tree into a string.
void DumpAccessibilityTree(BrowserAccessibility* node,
string16* contents);
// Suffix of the expectation file corresponding to html file.
// Example:
// HTML test: test-file.html
// Expected: test-file-expected-mac.txt.
// Auto-generated: test-file-actual-mac.txt
const FilePath::StringType GetActualFileSuffix() const;
const FilePath::StringType GetExpectedFileSuffix() const;
protected:
void RecursiveDumpAccessibilityTree(BrowserAccessibility* node,
string16* contents,
int indent);
// Returns a platform specific representation of a BrowserAccessibility.
// Should be zero or more complete lines, each with |prefix| prepended
// (to indent each line).
string16 ToString(BrowserAccessibility* node, char* prefix);
void Initialize();
};
#endif // CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_
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