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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// Copyright 2017 The Chromium Embedded Framework Authors. Portions copyright
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// 2013 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#ifndef CEF_TESTS_CEFCLIENT_BROWSER_OSR_ACCESSIBILITY_HELPER_H_
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#define CEF_TESTS_CEFCLIENT_BROWSER_OSR_ACCESSIBILITY_HELPER_H_
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#include <map>
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#include "include/cef_browser.h"
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namespace client {
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class OsrAXNode;
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class OsrAccessibilityHelper;
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class OsrAXTree {
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public:
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OsrAXTree();
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OsrAXNode* GetNode(int nodeId) const;
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void EraseNode(int nodeId);
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void UpdateTreeData(CefRefPtr<CefDictionaryValue> value);
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void AddNode(OsrAXNode* node);
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const CefString& GetParentTreeId() const { return parent_tree_id_; }
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int GetRootNodeId() const { return root_node_id_; }
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void SetRootNodeId(int nodeId) { root_node_id_ = nodeId; }
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private:
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CefString parent_tree_id_;
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int root_node_id_ = -1;
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std::map<int, OsrAXNode*> node_map_;
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};
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// Helper class that abstracts Renderer Accessibility tree and provides a
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// uniform interface to be consumed by IAccessible interface on Windows and
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// NSAccessibility implementation on Mac in CefClient.
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class OsrAccessibilityHelper {
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public:
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OsrAccessibilityHelper(CefRefPtr<CefValue> value,
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CefRefPtr<CefBrowser> browser);
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void UpdateAccessibilityTree(CefRefPtr<CefValue> value);
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void UpdateAccessibilityLocation(CefRefPtr<CefValue> value);
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OsrAXNode* GetRootNode() const;
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OsrAXNode* GetFocusedNode() const;
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CefWindowHandle GetWindowHandle() const {
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return browser_->GetHost()->GetWindowHandle();
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}
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CefRefPtr<CefBrowser> GetBrowser() const { return browser_; }
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OsrAXNode* GetNode(const CefString& treeId, int nodeId) const;
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OsrAXNode* GetTreeRootNode(const CefString& treeId) const;
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static int CastToInt(CefRefPtr<CefValue> value);
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private:
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void Reset();
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void UpdateLayout(const CefString& treeId,
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CefRefPtr<CefDictionaryValue> update);
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void UpdateFocusedNode(const CefString& treeId, int nodeId);
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// Destroy the node and remove from Map
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void DestroyNode(OsrAXNode* node);
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CefString root_tree_id_;
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CefString focused_tree_id_;
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int focused_node_id_ = -1;
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CefRefPtr<CefBrowser> browser_;
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std::map<CefString, OsrAXTree> accessibility_node_map_;
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};
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} // namespace client
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#endif // CEF_TESTS_CEFCLIENT_BROWSER_OSR_ACCESSIBILITY_HELPER_H_
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