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// Copyright (c) 2011 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.
#include "content/browser/accessibility/browser_accessibility_manager_mac.h"
#import "base/logging.h"
#import "content/browser/accessibility/browser_accessibility_cocoa.h"
#include "content/common/view_messages.h"
// static
BrowserAccessibilityManager* BrowserAccessibilityManager::Create(
gfx::NativeView parent_view,
const WebAccessibility& src,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory) {
return new BrowserAccessibilityManagerMac(
parent_view, src, delegate, factory);
}
BrowserAccessibilityManagerMac::BrowserAccessibilityManagerMac(
gfx::NativeView parent_window,
const webkit_glue::WebAccessibility& src,
BrowserAccessibilityDelegate* delegate,
BrowserAccessibilityFactory* factory)
: BrowserAccessibilityManager(parent_window, src, delegate, factory) {
}
void BrowserAccessibilityManagerMac::NotifyAccessibilityEvent(
int type,
BrowserAccessibility* node) {
// Refer to AXObjectCache.mm (webkit).
NSString* event_id = @"";
switch (type) {
case ViewHostMsg_AccEvent::ACTIVE_DESCENDANT_CHANGED:
if (node->role() == WebAccessibility::ROLE_TREE)
event_id = NSAccessibilitySelectedRowsChangedNotification;
else
event_id = NSAccessibilityFocusedUIElementChangedNotification;
case ViewHostMsg_AccEvent::ALERT:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::CHECK_STATE_CHANGED:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::CHILDREN_CHANGED:
// TODO(dtseng): no clear equivalent on Mac.
return;
case ViewHostMsg_AccEvent::FOCUS_CHANGED:
event_id = NSAccessibilityFocusedUIElementChangedNotification;
break;
case ViewHostMsg_AccEvent::LAYOUT_COMPLETE:
event_id = @"AXLayoutComplete";
break;
case ViewHostMsg_AccEvent::LIVE_REGION_CHANGED:
event_id = @"AXLiveRegionChanged";
break;
case ViewHostMsg_AccEvent::LOAD_COMPLETE:
event_id = @"AXLoadComplete";
break;
case ViewHostMsg_AccEvent::MENU_LIST_VALUE_CHANGED:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::OBJECT_SHOW:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::OBJECT_HIDE:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::ROW_COUNT_CHANGED:
event_id = NSAccessibilityRowCountChangedNotification;
break;
case ViewHostMsg_AccEvent::ROW_COLLAPSED:
event_id = @"AXRowCollapsed";
break;
case ViewHostMsg_AccEvent::ROW_EXPANDED:
event_id = @"AXRowExpanded";
break;
case ViewHostMsg_AccEvent::SCROLLED_TO_ANCHOR:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::SELECTED_CHILDREN_CHANGED:
event_id = NSAccessibilitySelectedChildrenChangedNotification;
break;
case ViewHostMsg_AccEvent::SELECTED_TEXT_CHANGED:
event_id = NSAccessibilitySelectedTextChangedNotification;
break;
case ViewHostMsg_AccEvent::TEXT_INSERTED:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::TEXT_REMOVED:
// Not used on Mac.
return;
case ViewHostMsg_AccEvent::VALUE_CHANGED:
event_id = NSAccessibilityValueChangedNotification;
break;
}
BrowserAccessibilityCocoa* native_node = node->toBrowserAccessibilityCocoa();
DCHECK(native_node);
NSAccessibilityPostNotification(native_node, event_id);
}
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