124 lines
3.6 KiB
C++
124 lines
3.6 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_NODE_H_
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#define CEF_TESTS_CEFCLIENT_BROWSER_OSR_ACCESSIBILITY_NODE_H_
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#pragma once
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#include <vector>
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#include "include/cef_browser.h"
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#if defined(OS_MACOSX)
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typedef void CefNativeAccessible;
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#if __OBJC__
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#if __has_feature(objc_arc)
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#define CAST_CEF_NATIVE_ACCESSIBLE_TO_NSOBJECT(accessible) \
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(__bridge NSObject*)accessible
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#define CAST_NSOBJECT_TO_CEF_NATIVE_ACCESSIBLE(object) \
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(__bridge CefNativeAccessible*)object
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#else // __has_feature(objc_arc)
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#define CAST_CEF_NATIVE_ACCESSIBLE_TO_NSOBJECT(accessible) (NSObject*)accessible
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#define CAST_NSOBJECT_TO_CEF_NATIVE_ACCESSIBLE(object) \
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(__bridge CefNativeAccessible*)object
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#endif // __has_feature(objc_arc)
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#endif // __OBJC__
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#elif defined(OS_WIN)
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struct IAccessible;
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typedef IAccessible CefNativeAccessible;
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#else
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#error "Unsupported platform"
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#endif
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namespace client {
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class OsrAccessibilityHelper;
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// OsrAXNode is the base class for implementation for the NSAccessibility
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// protocol for interacting with VoiceOver and other accessibility clients.
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class OsrAXNode {
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public:
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// Create and return the platform specific OsrAXNode Object.
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static OsrAXNode* CreateNode(int treeId,
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int nodeId,
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CefRefPtr<CefDictionaryValue> value,
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OsrAccessibilityHelper* helper);
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// Update Value.
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void UpdateValue(CefRefPtr<CefDictionaryValue> value);
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// UpdateLocation
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void UpdateLocation(CefRefPtr<CefDictionaryValue> value);
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// Fire a platform-specific notification that an event has occurred on
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// this object.
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void NotifyAccessibilityEvent(std::string event_type) const;
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// Call Destroy rather than deleting this, because the subclass may
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// use reference counting.
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void Destroy();
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// Return NSAccessibility Object for Mac/ IAccessible for Windows
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CefNativeAccessible* GetNativeAccessibleObject(OsrAXNode* parent);
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CefNativeAccessible* GetParentAccessibleObject() const {
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return parent_ ? parent_->platform_accessibility_ : nullptr;
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}
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OsrAccessibilityHelper* GetAccessibilityHelper() const {
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return accessibility_helper_;
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}
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int GetChildCount() const;
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// Return the Child at the specified index
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OsrAXNode* ChildAtIndex(int index) const;
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const CefString& AxRole() const { return role_; }
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int OsrAXTreeId() const { return tree_id_; }
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int OsrAXNodeId() const { return node_id_; }
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const CefString& AxValue() const { return value_; }
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const CefString& AxName() const { return name_; }
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const CefString& AxDescription() const { return description_; }
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CefRect AxLocation() const;
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CefWindowHandle GetWindowHandle() const;
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CefRefPtr<CefBrowser> GetBrowser() const;
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void SetParent(OsrAXNode* parent);
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protected:
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OsrAXNode(int treeId,
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int nodeId,
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CefRefPtr<CefDictionaryValue> value,
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OsrAccessibilityHelper* helper);
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int tree_id_;
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int node_id_;
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int child_tree_id_;
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CefString role_;
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CefString value_;
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CefString name_;
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CefString description_;
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CefRect location_;
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CefPoint scroll_;
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std::vector<int> child_ids_;
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CefNativeAccessible* platform_accessibility_;
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OsrAXNode* parent_;
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int offset_container_id_;
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OsrAccessibilityHelper* accessibility_helper_;
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CefRefPtr<CefDictionaryValue> attributes_;
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};
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} // namespace client
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#endif // CEF_TESTS_CEFCLIENT_BROWSER_OSR_ACCESSIBILITY_NODE_H_
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