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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_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
#define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
#import <Cocoa/Cocoa.h>
#include <stdint.h>
#include <map>
#include <vector>
#include "base/macros.h"
#include "base/strings/string16.h"
#import "content/browser/accessibility/browser_accessibility_cocoa.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
#include "content/public/browser/ax_event_notification_details.h"
namespace content {
class CONTENT_EXPORT BrowserAccessibilityManagerMac
: public BrowserAccessibilityManager {
public:
BrowserAccessibilityManagerMac(
NSView* parent_view,
const ui::AXTreeUpdate& initial_tree,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
~BrowserAccessibilityManagerMac() override;
static ui::AXTreeUpdate GetEmptyDocument();
BrowserAccessibility* GetFocus() override;
// Implementation of BrowserAccessibilityManager.
void NotifyAccessibilityEvent(ui::AXEvent event_type,
BrowserAccessibility* node) override;
void OnAccessibilityEvents(
const std::vector<AXEventNotificationDetails>& details) override;
NSView* parent_view() { return parent_view_; }
private:
// AXTreeDelegate methods.
void OnNodeDataWillChange(ui::AXTree* tree,
const ui::AXNodeData& old_node_data,
const ui::AXNodeData& new_node_data) override;
void OnAtomicUpdateFinished(
ui::AXTree* tree,
bool root_changed,
const std::vector<ui::AXTreeDelegate::Change>& changes) override;
// Returns an autoreleased object.
NSDictionary* GetUserInfoForSelectedTextChangedNotification();
// Returns an autoreleased object.
NSDictionary* GetUserInfoForValueChangedNotification(
const BrowserAccessibilityCocoa* native_node,
const base::string16& deleted_text,
const base::string16& inserted_text) const;
// This gives BrowserAccessibilityManager::Create access to the class
// constructor.
friend class BrowserAccessibilityManager;
NSView* parent_view_;
// Keeps track of any edits that have been made by the user during a tree
// update. Used by NSAccessibilityValueChangedNotification.
// Maps AXNode IDs to name or value attribute changes.
std::map<int32_t, base::string16> text_edits_;
DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerMac);
};
}
#endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_MAC_H_
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